37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
41 - Education, entertainment, sporting and cultural services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Repair or maintenance of plastic processing machines and
apparatus; repair or maintenance of metalworking machines
and tools; repair or maintenance of measuring machines and
instruments; repair or maintenance of electric or magnetic
meters and testers; repair of electronic apparatus; repair
or maintenance of industrial furnaces; repair or maintenance
of chemical processing machines and apparatus; repair and
maintenance of drying apparatus; repair or maintenance of
drum mixers for chemical processing; repair or maintenance
of trash removal equipment and their parts for catching and
removing trash particles contained in water; repair or
maintenance of storage tanks; repair and maintenance of
cooling apparatus; repair or maintenance of heat exchangers;
repair or maintenance of evaporators; repair or maintenance
of crushing machines; repair or maintenance of
loading-unloading machines and apparatus; maintenance and
repair of power shift transmissions. Consultancy relating to metalworking; consultancy relating
to processing of plastics. Educational services; arranging and conducting of seminars;
arranging, conducting or organization of networking events
between companies; providing information in the field of
education. Technical drawing; maintenance of computer software;
consultancy in the field of energy-saving; testing and
research services relating to machines, apparatus and
instruments; calibration services; testing the functionality
of apparatus and instruments; analysis of technical data;
technological research; monitoring of computer system
operation by remote access; monitoring of computer systems
to detect breakdowns; installation, maintenance, updating
and upgrading of computer software; technological advisory
services relating to machine engineering analysis; design
and development of engineering products; research,
development, analysis and consultancy services in the field
of engineering.
40 - Treatment of materials; recycling, air and water treatment,
37 - Construction and mining; installation and repair services
41 - Education, entertainment, sporting and cultural services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Consultancy relating to metalworking; consultancy relating to processing of plastics. Repair or maintenance of plastic processing machines and apparatus; repair or maintenance of metalworking machines and tools; repair or maintenance of measuring machines and instruments; repair or maintenance of electric or magnetic meters and testers; repair of electronic apparatus; repair or maintenance of industrial furnaces; repair or maintenance of chemical processing machines and apparatus; repair and maintenance of drying apparatus; repair or maintenance of drum mixers for chemical processing; repair or maintenance of trash removal equipment and their parts for catching and removing trash particles contained in water; repair or maintenance of storage tanks; repair and maintenance of cooling apparatus; repair or maintenance of heat exchangers; repair or maintenance of evaporators; repair or maintenance of crushing machines; repair or maintenance of loading-unloading machines and apparatus; maintenance and repair of power shift transmissions. Educational services; arranging and conducting of seminars; arranging, conducting or organization of networking events between companies; providing information in the field of education. Technical drawing; maintenance of computer software; consultancy in the field of energy-saving; testing and research services relating to machines, apparatus and instruments; calibration services; testing the functionality of apparatus and instruments; analysis of technical data; technological research; monitoring of computer system operation by remote access; monitoring of computer systems to detect breakdowns; installation, maintenance, updating and upgrading of computer software; technological advisory services relating to machine engineering analysis; design and development of engineering products; research, development, analysis and consultancy services in the field of engineering.
3.
DEVICE FOR PRE-OPERATIONAL INSPECTION OF DIE CASTING MACHINE, AND METHOD FOR PRE-OPERATIONAL INSPECTION OF DIE CASTING MACHINE
A device for pre-operational inspection of a die casting machine, characterized by comprising: a calculation means for calculating an evaluation value from actual data indicating an actual state of the die casting machine; and a determination means, wherein the determination means has in advance a reference range of the evaluation value at the start of an operation, and determines whether the state of the die casting machine is good or bad on the basis of the result of a comparison between the reference range and the evaluation value calculated by the calculation means.
This die casting machine includes a sleeve, a pouring hole provided in the sleeve, and a ladle that tilts to supply molten metal from a pouring spout into the pouring hole, characterized in that: a guide member for the molten metal is provided around the pouring hole; the guide member extends upward from the pouring hole and is provided with a cutout on the ladle side of the pouring hole; and if, relative to an upper edge of the sleeve in a vertical direction, a vertical height of a lower edge of the pouring spout of the ladle when pouring is Lh and a vertical height of an upper edge of the guide member is H, the relationship that H is equal to or greater than Lh is satisfied.
B22D 17/20 - AccessoriesPressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure Details
B22D 17/30 - Accessories for supplying molten metal, e.g. in rations
5.
AXIAL CENTER DISPLACEMENT ESTIMATION SYSTEM AND AXIAL CENTER DISPLACEMENT ESTIMATION METHOD
The present disclosure describes a displacement estimation method in a cylinder rotating device, a displacement estimation system in a cylinder rotating device, and an axial center displacement estimation method that make it possible to accurately estimate the displacement of a cylinder. Provided is an axial center displacement estimation system comprising: a cylinder that rotates and processes a material passing through the interior thereof; a girth gear that is provided on the outer circumference of the cylinder; a drive unit that causes the cylinder to rotate via the girth gear; and a plurality of tires that rotatably support the cylinder. The axial center displacement estimation system implements a girth gear rotation center point estimation step for estimating the coordinates of the rotation center point of the girth gear, a cylinder rotation center point estimation step for estimating the coordinates of the rotation center point of the cylinder, and a reference line setting step for setting a reference line that serves as a reference for estimating the axial center displacement in the cylinder. The reference line passes through the rotation center point of the girth gear. The displacement of the cylinder is estimated on the basis of the distance between the rotation center point of the cylinder and the reference line.
G01B 21/00 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
G01B 21/24 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapersMeasuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for testing the alignment of axes for testing the alignment of axes
A gas pressure control apparatus that can control a pressure applied to a surface of molten metal with high accuracy. A gas pressure control apparatus includes a gas generation unit configured to generate nitrogen gas, and a pressure control unit configured to adjust a pressure of the nitrogen gas generated by the gas generation unit and to supply the nitrogen gas to a low-pressure casting apparatus. The pressure control unit includes a servo valve configured to control a flow rate of the nitrogen gas supplied from a tank and to cause the nitrogen gas to flow toward the low-pressure casting apparatus, and a pressure controller configured to adjust an opening degree of the servo valve based on a measured pressure Pm of the nitrogen gas supplied to the low-pressure casting apparatus.
B22D 39/06 - Equipment for supplying molten metal in rations having means for controlling the amount of molten metal by controlling the pressure above the molten metal
B22D 18/04 - Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
7.
EXTRUSION PRESS DEVICE AND INJECTION MOLDING MACHINE
Provided is an extrusion press device (101) comprising: an extrusion element (103); an extrusion mechanism (102) that hydraulically extrudes the extrusion element (103); pump units (U11 to U13) including pumps (P11 to P13) that supply hydraulic oil to the extrusion mechanism (102), and motors (M11 to M13) that drive the pumps (P11 to P13); and a control device (105) that controls the pump units (U11 to U13). A plurality of pump units (U11 to U13) are provided. The pumps (P11 to P13) are of the variable displacement type. There is a correlation between the ejection pressure of the pumps (P11 to P13) and the maximum allowable ejection amount allowed for each of the pumps (P11 to P13). The pressure and the ejection amount required for extruding the extrusion element (103) at a desired extrusion speed are set as a required pressure and a required ejection amount, respectively. If the required ejection amount corresponding to the required pressure exceeds the maximum allowable ejection amount, the control device (105) increases the number of pumps (P11 to P13) to be driven.
F15B 11/02 - Systems essentially incorporating special features for controlling the speed or the actuating force or speed of an output member
F15B 11/04 - Systems essentially incorporating special features for controlling the speed or the actuating force or speed of an output member for controlling the speed
B21C 31/00 - Control devices for metal extruding, e.g. for regulating the pressing speed or temperature of metalMeasuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses
This casting molding device comprises: a fixed mold (25, 65) and a movable mold (26, 66); a mold cavity (CV) demarcated by the fixed mold (25, 65) and the movable mold (26, 66); a release agent application unit (90) for applying a releasing agent onto the surface of the mold cavity (CV) in the casting molding device (100, 200, 300) for filling the mold cavity (CV) with a molten metal (M) and causing the molten metal (M) to solidify by cooling to mold a cast product (MP); a cast product unloading unit (30, 70) for unloading the cast product (MP); an image-capturing unit (41, 81); an image data collection unit (42, 82) for collecting images; a mold-remainder-determining unit (43, 83) for determining a mold remainder abnormality in which a part of the cast product (MP) remains in the mold cavity (CV); and a determination display unit (44, 84) for displaying or reporting the presence/absence of a mold remainder abnormality to the exterior. The image-capturing unit (41, 81) captures an image of the cast product (MP), and the mold-remainder-determining unit (43, 83) determines the presence/absence of a mold remainder abnormality by a comparison between an actual image and a reference image set in advance.
B22D 17/20 - AccessoriesPressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure Details
A noise filter according to the present invention comprises: a first conductive member 51A and a second conductive member 51B which constitute a transmission line; a third conductive member 55A which is disposed so as to sandwich a first intermediate member 53A with the first conductive member 51A; a fourth conductive member 55B which is disposed so as to sandwich a second intermediate member 53B with the second conductive member 51B; a first resistance member 65A and a second resistance member 65B which electrically connect the third conductive member 55A and the fourth conductive member 55B; and a first magnetic path 57 which is formed in a region between the third conductive member 55A and the fourth conductive member 55B. One or both of the first intermediate member 53A and the second intermediate member 53B is made from an insulator. An electric circuit is constituted by the third conductive member 55A, the first resistance member 65A, the fourth conductive member 55B, the second resistance member 65B, and the third conductive member 55A being connected in a loop.
A die block device in an extruder including a cooling mechanism of a simple structure reciprocable between an operation position and a changing position. A die block portion configured to reciprocate between an operation position for extrusion and a changing position for die changing; and a gas supply portion configured to supply a cooling gas toward the die block portion. The die block portion includes a block body having a support surface that supports the die, and a gas channel having a supply port for the cooling gas and an exhaust port that extends from the supply port through the block body and opens into the support surface.
The present invention provides a gas pressure control device that can precisely control the pressure applied to the surface of molten metal. A gas pressure control device 1 includes a gas generating part 10 that generates nitrogen gas, and a pressure control part 20 that adjusts the pressure of the nitrogen gas generated in the gas generating part 10 and supplies the gas to a low-pressure casting device 50. The pressure control part 20 includes a servo valve 23 that controls the flow rate of the nitrogen gas supplied from a tank 17 and allows the gas to flow toward the low-pressure casting device 50, and a pressure controller 29 that adjusts the degree of opening of the servo valve 23 on the basis of the measured pressure Pm of the nitrogen gas supplied to the low-pressure casting device.
A control device of an injection molding machine, the injection molding machine including: a mold clamping device that advances and retracts a movable mold with respect to a fixed mold; and an injection device that injects and fills a molten material into a cavity formed between both the molds, the control device including: a display unit that displays a setting screen for setting molding conditions of the injection molding machine; and a setting unit that sets the molding conditions based on information displayed on the setting screen.
B29C 45/17 - Component parts, details or accessoriesAuxiliary operations
B29C 45/80 - Measuring, controlling or regulating of relative position of mould parts
G05B 19/402 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for positioning, e.g. centring a tool relative to a hole in the workpiece, additional detection means to correct position
13.
EXTRUSION PRESS MACHINE AND PLATEN FOR EXTRUSION PRESS MACHINE
An extrusion press machine includes: a die configured to extrusion-mold a workpiece; a cylinder configured to apply pressing force to press the workpiece against the die; and a platen configured to receive the pressing force from the die. The platen includes an outside element and an inside element that is disposed coaxially with the outside element, inside the outside element. The inside element includes one or more fluid supply structures each supplying a cooling medium toward an extruded product extruded from the die.
Provided are: an injection device for a die casting machine capable of inhibiting erratic movement of molten metal and preceding molten metal by preventing the inflow of external air into a suctioned sleeve; and a casting method. This injection device 10 comprises a sleeve 11 and a plunger 20. The plunger 20 includes a tip 21 and a rod 22. The sleeve 11 includes two or more suction ports 101, 102 which are arranged next to each other in a front-rear direction D1 and go through the inside and outside of the sleeve 11. The plunger 20 includes a tip main body 201 including at least the front end of the tip 21, a suction recess 203 that is behind the tip main body 201 and retracted inward of the inner circumferential part of the sleeve 11 in the radial direction, a tip rear part 202 that protrudes outward of the suction recess 203 in the radial direction and demarcates the suction recess 203 from the rear side, and a rear suction path 204 communicating with the suction recess 203 from rearward of the tip rear part 202.
B22D 17/20 - AccessoriesPressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure Details
This extrusion press device is provided with a die 60 for extrusion molding a workpiece, a cylinder 83 for imparting a pressing force pressing the workpiece against the die, and a platen 20 for accepting the pressing force from the die 60, wherein the platen 20 is provided with an outside element 30, and an inside element 40 disposed coaxially with the outside element 30, inside the outside element 30. The inside element 40 is provided sandwiching the outside element 30 from both the front and rear sides of the outside element 30.
[Problem] To implement proper valve operation in a simple manner using an index that takes time lag into consideration, when vacuum suctioning the inside of a sleeve of a die casting machine. [Solution] A control device 30 is provided with: a control parameter setting unit 303 that sets a value to control parameters P0-P4 indicative of the location of a plunger 22; and a sleeve vacuum control unit 302 that issues, at the location indicated by the control parameters, a valve operation instruction for causing valves 40V, 413 to operate for manipulating a suction state of the inside of a sleeve 21. The control parameter setting unit 303 uses a valve operation location which serves as a location for causing the valves to operate and which is determined from geometric specifications, uses injection conditions including the location and speed of the plunger 22, and uses a time lag of operation of the valves with respect to the valve operation instruction, to acquire an index value corresponding to a location going back in time from the valve operation location by a length of time corresponding to the time lag; the control parameter setting unit and is also able to set the index value to the control parameters.
This device for controlling an injection molding machine, which includes a mold clamping device that advances and retreats a movable mold to and from a fixed mold, and an injection device for injecting and filling a molten material in a cavity formed between both the molds, comprises: a display unit that displays a setting screen for setting molding conditions for the injection molding machine; and a setting unit for setting the molding conditions on the basis of information displayed on the setting screen, wherein the setting screen has a first display column for displaying a plurality of screw positions from a measurement completion position of a screw of the injection device to a VP switch position, and a second display column for associating a mold clamping force generated by a mold clamping device with the plurality of screw positions displayed in the first display column and displaying the mold clamping force, and the setting unit sets the molding conditions by associating the mold clamping force displayed in the second display column with each of the plurality of screw positions displayed in the first display column as clamping forces generated when the screw reaches the screw positions.
This device for controlling an injection molding machine, which includes a mold clamping device that advances and retreats a movable mold to and from a fixed mold, and an injection device for injecting and filling a molten material in a cavity formed between both the molds, comprises: a display unit that displays a setting screen for setting molding conditions for the injection molding machine; and a setting unit for setting the molding conditions on the basis of information displayed on the setting screen, wherein the setting screen has a first display column for displaying a plurality of screw positions from a measurement completion position of a screw of the injection device to a VP switch position, and a second display column for associating a mold clamping force generated by a mold clamping device with the plurality of screw positions displayed in the first display column and displaying the mold clamping force, and the setting unit sets the molding conditions by associating the mold clamping force displayed in the second display column with each of the plurality of screw positions displayed in the first display column as clamping forces generated when the screw reaches the screw positions.
An extrusion press shearing device includes: a converter that converts rotational motion of a ball screw into linear motion of a shearing slide drive frame; a shearing slide attached to the leading end of the shearing slide drive frame; and hydraulic cylinders attached to the shearing slide drive frame, wherein the ball screw of the converter and the hydraulic cylinders are arranged in parallel, and the ball screw is rotated to move the shearing slide vertically so that a discard is cut off by the hydraulic cylinders.
B23D 15/04 - Shearing machines or shearing devices cutting by blades which move parallel to each other having only one moving blade
B23D 15/14 - Shearing machines or shearing devices cutting by blades which move parallel to each other characterised by drives or gearings therefor actuated by fluid or gas pressure
A mold platen includes a mold plate to which a mold is attached, a rear-surface plate provided opposite to the mold plate, coupling portions configured to be coupled to respective tie rods at four corners of the mold plate and the rear-surface plate, a cylindrical rib that is provided between the mold plate and the rear-surface plate and is located at a center part of the mold plate and the rear-surface plate, a diagonal reinforcing rib that is provided between the mold plate and the rear-surface plate and is configured to connect the cylindrical rib and each of the coupling portions, and a longitudinal/lateral reinforcing rib that is provided between the mold plate and the rear-surface plate and extends from the cylindrical rib along a position between the adjacent coupling portions.
Inflow of outside air into a suctioned sleeve is prevented, problems with molten metal are suppressed, and stable suction within the sleeve is realized. The injection device 1 of a die casting machine 100 is configured to permit suction of a suction recess 120, which is partitioned by a tip 20 of a plunger 12, and a space 75 ahead of the front end of the tip 20. The inside of a sleeve 11 can be suctioned through penetrating portions 14, 15 that each penetrate the sleeve 11 from inside to outside at a prescribed first location C1 of the sleeve 11 in the advancing/retreating direction D1 of the plunger 12 and at a second location C2 set apart rearward from the first location C1. The opening area of the penetrating portion 15 at the first location C1 is greater than the opening area of the penetrating portion 14 at the second location C2. (Selected Drawing: FIG. 5)
B22D 17/20 - AccessoriesPressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure Details
B22D 18/06 - Vacuum casting, i.e. making use of vacuum to fill the mould
22.
INJECTION DEVICE FOR DIE CASTING MACHINE, DIE CASTING MACHINE, VACUUM PIPE STRUCTURE FOR DIE CASTING MACHINE, AND CASTING METHOD
In order to prevent the inflow of outside air into a suctioned sleeve and suppress turbulence in molten metal, thereby achieving a stable suctioning of the interior of the sleeve, an injection device 1 in a die casting machine 100 is configured so as to be capable of suctioning a suction recess 120 partitioned in the tip 20 of a plunger 12 and a space 75 in front of the front end of the tip 20. Two or more suction openings 14–17 capable of suctioning the inside of a sleeve 11 are formed side by side in the sleeve 11 in the direction D1 in which the plunger 12 advances/retreats. In accordance with the position of the plunger 12 as the plunger advances relative to the sleeve 11, at least one of the suction openings among the two or more suction openings 14–17 selectively communicates with the space 75 in the front, and at least one of the suction openings among the two or more suction openings 14–17 selectively communicates with the suction recess 120.
The moulded article imaging method according to the present invention comprises a positioning step for determining the imaging position of an imaging means 21 for a to-be-inspected object 3 that has been conveyed, and an imaging step for imaging the to-be-inspected object 3 in the imaging position by means of the imaging means 21. In the positioning step in the present invention, the imaging means is positioned in an imaging position corresponding to a mould defect previously identified for the to-be-inspected object 3. Furthermore, the positioning step and the imaging step in the present invention are repeated a number of times corresponding to a plurality of types of mould defects.
G01N 21/85 - Investigating moving fluids or granular solids
B22D 17/20 - AccessoriesPressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure Details
B29C 45/17 - Component parts, details or accessoriesAuxiliary operations
This extrusion press device 1 is provided with an extruding unit 3 comprising a container 18 in which an extrusion material EM is accommodated, and an end platen 10 which supports a die 16 through which the extrusion material EM is extruded, and a control unit 5 which controls the operation of the extruding unit 3, including a container sealing force f pressing the container 18 against the die 16. The control unit 5 performs control from the time at which extrusion starts until the time at which extrusion ends in such a way that a complementary pressure Pa, corresponding to a reduced container sealing force fd, which increases concomitant with progress of the extrusion, is imparted to the container 18 in the extrusion direction.
B21C 31/00 - Control devices for metal extruding, e.g. for regulating the pressing speed or temperature of metalMeasuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses
The purpose of the present invention is to provide a billet supply device that can move a billet mounting unit back and forth between a billet supply position and the center of extrusion at a desired speed in an extrusion press device while suppressing increases in the output of a drive means. The aforementioned is achieved by a billet supply device provided with: a base 11; a first frame 32A supported on the base 11 so as to be freely movable back-and-forth; a first movement conversion mechanism 34 for moving the first frame 32A back-and-forth with respect to the base 11; a second frame 32B provided with a billet mounting unit and supported on the first frame 32A so as to be freely movable back-and-forth; and a second movement conversion mechanism 36 for moving the second frame 32B back-and-forth with respect to the first frame 32A. Parts of both movement conversion mechanisms including a ball screw mechanism are supported rotatably on a common support member 37 for the first frame 32A. The first frame 32A and the second frame 32B are moved back and forth to the extrusion center side with respect to the base 11 simultaneously by a drive means 38 for rotationally driving said parts at the same time.
This resin molded product is provided with: an outer surface-side molded body having a decorative surface on the outer surface thereof; and a substrate layer-side molded body that is stacked on the rear surface side of the outer surface-side molded body and that has a stitch section that is exposed on the decorative surface side through the outer surface-side molded body, a pseudo stitch pattern being formed on the decorative surface side by means of the stitch section of the substrate layer-side molded body, wherein the melting point of an outer surface resin that forms the outer surface-side molded body is no higher than the melting point of a substrate layer resin that forms the substrate layer-side molded body, and/or the linear expansion coefficient of the outer surface resin is no greater than the linear expansion coefficient of the substrate layer resin that forms the substrate layer-side molded body.
B29C 45/56 - Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
A die casting machine is provided with a movable platen for holding a movable mold, a stationary platen for holding a stationary mold, and tie bars inserted into insertion holes provided in the movable platen and the stationary platen, the movable platen being arranged so as to be capable of advancing to and retreating from the fixed platen along the tie bars. A hollow section is provided in at least one of the movable platen and the stationary platen.
B22D 17/20 - AccessoriesPressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure Details
B22D 17/10 - Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled with horizontal press motion
B22D 17/26 - Mechanisms or devices for locking or opening dies
28.
VERTICAL CRUSHER, AND CRUSHING ROLLER PRESSURE CONTROL METHOD FOR VERTICAL CRUSHER
Provided is a vertical crusher wherein the rod section of a pressing cylinder and a swing lever are connected, and the rod section is moved to the cylinder section side of the pressing cylinder to rotate the swing lever, thereby moving a crushing roller to the rotating table side and crushing, by means of the crushing roller, material loaded on the rotating table. The rod section of the pressing cylinder and the swing lever are connected through a connection section, and a helically wound spring is disposed between the cylinder section of the pressing cylinder and the connection section so as to be fitted over the rod section. The present invention enables, without the use of a complex control device and by the installation of the spring on the pressing cylinder which drives the swing lever, to reliably prevent the crushing roller from rapidly approaching the rotating table side.
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Diecasting machines; metalworking machines and tools. Metalworking; rental of metalworking machines and tools;
providing material treatment information.
An extrusion press shearing device (10) is provided with: a conversion means which converts rotational motion of a ball screw (31) into linear motion of a shearing slide drive frame (29); a shearing slide (41) attached to the leading end of the shearing slide drive frame (29); and hydraulic cylinders (32) attached to the shearing slide drive frame (29), wherein the ball screw (31) of the conversion means and the hydraulic cylinders (32) are arranged in parallel, and the ball screw (31) is rotated to move the shearing slide (41) vertically, so that a discard (13) is cut off by the hydraulic cylinders (32).
Provided is a vertical pulverizer provided with a rotating table, a pulverizing roller that rotates on the rotating table for pulverizing raw material supplied between the same and the rotating table, a gas introduction opening for introducing gas that blows off pulverized bodies formed from the raw material that has been pulverized, a separator provided above the rotating table and having a rotating part for classifying the pulverized bodies blown off by the gas introduced through the gas introduction opening, and an upper casing for accommodating the separator and having a product extraction opening for extracting the classified pulverized bodies to the outside, wherein an eccentric plate forming an eccentric opening that is eccentric with respect to a rotating center axis for the separator is provided below the product extraction opening and above the separator in the upper casing.
B02C 15/04 - Mills with pressed pendularly-mounted rollers, e.g. spring pressed
B07B 7/083 - Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
32.
Mold clamp control method for injection molding machine having toggle-type mold clamping mechanism
A mold clamp control method for an injection molding machine having a toggle-type mold clamping mechanism. The mold clamp control method includes: a low-pressure mold clamping step that performs position hold control by which a crosshead is held in a set holding position in a state where a toggle link has been bent, when injection-filling is started; and a compression-press step that performs speed and position control by which the crosshead is advanced toward a set advancement position from the set holding position in a state where a first output upper limit value has been provided to a driving section. Advancement of the crosshead is continued in at least part of the compression-press step in a state where a generated output of the driving section is maintained at the first output upper limit value.
B29C 45/70 - Means for plasticising or homogenising the moulding material or forcing it into the mould, combined with mould opening, closing or clamping devices
B29C 45/56 - Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
B29C 45/78 - Measuring, controlling or regulating of temperature
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
35 - Advertising and business services
Goods & Services
Metal screws for resin extrusion used for plastic injection moulding Plastic processing machines; injection moulding machines; extrusion machines for plastic; moulds being parts of machines for processing plastics; painting machines Business data analysis; provision of information concerning commercial sales; import-export agencies; commercial information and advice for consumers in the choice of products and services; wholesale and retail store services for injection moulding machines; business management consultancy services; outsourcing services in the nature of arranging procurement of goods for others; administrative processing of purchase orders
A hybrid extrusion press is provided with electric motors and hydraulic assist cylinders to cause a container holder to slide, wherein connecting rods are fastened to a container holder, the hydraulic assist cylinders have piston rods and gate devices connecting or disconnecting the connecting rods and the piston rods, and the gate devices are provided with hollow members fastened to the piston rods, enlarged diameter parts provided at single ends of the connecting rods and moving back and forth inside hollow parts of the hollow members, and locking parts provided at the hollow members and locking the enlarged diameter parts.
A casting device is provided with an injection device and a vacuum device and is characterized in that the injection device is formed from a sleeve having suction openings for connecting to a vacuum device and an injection plunger, the vacuum device is formed from a suction opening selection valve capable of selecting to use or not to use vacuum suction, a pressure tank for air blowing to clean a suction pathway, and a vacuum tank for forming a vacuum within the sleeve, and the sleeve is formed from a plurality of suction openings.
B22D 17/20 - AccessoriesPressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure Details
An injection device mounting plate for a mold to mount, on the mold, an in-line screw type injection device provided with a fixation frame and a plasticization screw shaft rotatable and movable with respect to the fixation frame comprises: a lateral surface on which the fixation frame of the in-line screw type injection device can be fixedly installed; and a hot runner which opens in the lateral surface and is capable of accommodating the plasticization screw shaft. The hot runner is capable of plasticizing and measuring resin material in cooperation with the plasticization screw shaft of the in-line screw type injection device and is capable of allowing the plasticized resin material to flow toward a cavity of the mold.
A die cast machine is provided with a movable platen for holding a movable mold, a stationary platen for holding a stationary mold, and tie bars inserted into insertion holes provided in the movable platen and the stationary platen, the movable platen being arranged so as to be capable of advancing to and retreating from the fixed platen along the tie bars. A hollow section is provided in at least one of the movable platen and the stationary platen.
B22D 17/20 - AccessoriesPressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure Details
An injection molding device is provided with: at least two mold attachment boards facing each other; molds directly or indirectly attached to the respective mold attachment boards; a main injection unit arranged to be capable of injecting molten resin into a cavity formed when the molds are clamped to each other; and a sub-injection unit formed to be smaller than the main injection unit and arranged to be capable of injecting the molten resin into the cavity. The injection molding device is further provided with a support member for attaching the sub-injection unit to one of the mold attachment boards or one of the molds. The support member is configured to support the sub-injection unit in a direction crossing a mold opening/closing direction of the molds.
An extrusion press die-slide device is equipped with: a fixed frame; a moveable frame that can move linearly but which is supported by the fixed frame in a non-rotatable manner; a first motion conversion mechanism that converts input rotational motion to linear motion and outputs the same to cause the moveable frame to move linearly with respect to the fixed frame; and a second motion conversion mechanism attached to the moveable frame and equipped with a pusher to impart a pressing force to a die of the extrusion press, and which transmits the input rotational motion to the first motion conversion mechanism and converts the input rotational motion to linear motion and outputs the same to cause the pusher to move linearly with respect to the moveable frame.
Provided is an injection molding method for resin that contains reinforcing fiber, the method being capable of easily eliminating uneven distribution of added components. The injection molding method is provided with: a plasticizing step for supplying resin pellets P and added components to a cylinder equipped with a screw 10, which has a rotating axis as the center is capable of rotating normally and in reverse, and generating molten resin by rotating the screw 10 in the normal direction; and an injecting step for injecting the molten resin M comprising the added components into a cavity. In the plasticizing step, a reverse rotation operation for reversing the rotation of the screw 10 is performed or a screw-stopping operation of stopping the normal rotation of the screw 10 is performed with a prescribed timing and for a prescribed period.
B29B 7/60 - Component parts, details or accessoriesAuxiliary operations for feeding, e.g. end guides for the incoming material
B29B 7/48 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
A billet transport device inserts a billet emerging from a billet heater into a container of an extrusion press device, and includes a conveyor transporting a billet from a billet heater, an overhead type billet carrier directly transporting a billet from the conveyor to a billet loader, and a billet loader transporting a billet from the outside to inside of the extrusion press device. Further, the billet loader is comprised of an insertion roller device inserting a billet into a container and a billet insertion device placed at the front end of the billet loader.
A mold clamp control method for an injection molding machine having a toggle-type mold clamping mechanism according to the present invention comprises: a low-pressure mold clamping step for performing position hold control such that a crosshead 25 is held at a preset holding position while a toggle link is kept bent when injection/charging is started; and a compression/press step for controlling speed and position of the crosshead 25 such that the crosshead 25 advances from the preset holding position to a preset advance position, in a state where an output upper limit value 1 is set on a drive part, wherein the advancement of the crosshead 25 is continued at least during a portion of the compression/press step in a state where the output generated by the drive part is maintained at the output upper limit value 1.
B29C 45/70 - Means for plasticising or homogenising the moulding material or forcing it into the mould, combined with mould opening, closing or clamping devices
44.
MOLD CLAMP CONTROL METHOD FOR INJECTION MOLDING MACHINE HAVING TOGGLE-TYPE MOLD CLAMPING MECHANISM
A mold clamp control method for an injection molding machine having a toggle-type mold clamping mechanism according to the present invention comprises: a low-pressure mold clamping step for performing position hold control such that a crosshead 25 is held at a preset holding position while a toggle link is kept bent when injection/charging is started; and a compression/press step for controlling speed and position of the crosshead 25 such that the crosshead 25 advances from the preset holding position to a preset advance position, in a state where an output upper limit value 1 is set on a drive part, wherein the advancement of the crosshead 25 is continued at least during a portion of the compression/press step in a state where the output generated by the drive part is maintained at the output upper limit value 1.
B29C 45/70 - Means for plasticising or homogenising the moulding material or forcing it into the mould, combined with mould opening, closing or clamping devices
A shear device (21) of an extrusion press having a booster mechanism using an air cylinder or electric motor to supplement thrust to an amount corresponding to hydraulic pressure is provided. A fastening part pressing against a die stack (4) is configured by a booster mechanism using a lever and a shear guide (24) is pressed against a horseshoe (13) to fasten it in the extrusion direction. Further, a clearance between a surface of the die stack and a shear knife can be held constant. Also, a booster mechanism using a lever is employed for a tilt mechanism for the shear guide in the extrusion press.
A method for ending a molding cycle of an injection molding machine includes: a first average running torque calculation step of calculating a first average running torque of a screw 16 in a measurement step; a second average running torque calculation step of calculating a second average running torque in a plurality of times of molding cycles from respective first average running torques of the plurality of times of selected molding cycles and setting the calculated second average running torque as a stable molding torque reference value; and an average running torque comparison step of comparing the first average running torque with the stable molding torque reference value. In the average running torque comparison step, a molding cycle in which the first average running torque reaches an established molding end value from the stable molding torque reference value or falls below the established molding end value is regarded as a final molding cycle to end the molding cycle.
A mold for injection molding includes a design-surface-side mold which is capable of forming a design surface of a resin molded product and a non-design-surface-side mold which is capable of forming a mold cavity with the design-surface-side mold. A convex portion is provided in any one of the design-surface-side mold and the non-design-surface-side mold so as to protrude toward the other one. The mold for injection molding is configured to be capable of switching a first mold closing state in which the convex portion is present from any one of the design-surface-side mold and the non-design-surface-side mold over the other one and a second mold closing state in which the convex portion is not present from any one of the design-surface-side mold and the non-design-surface-side mold over the other one.
B29C 44/08 - Shaping by internal pressure generated in the material, e.g. swelling or foaming for articles of definite length, i.e. discrete articles using several expanding steps
The present invention is characterized in that, in a speed control method for a main ram of an extrusion press, the speed of the main ram is controlled by a combination of an inverter motor and a variable displacement-type piston pump, and when the tilting rate of the pump, which is determined by a ram speed setting value of the main ram, is at or below approximately one half, the rotational speed is reduced 20-30% by the rotational speed control of an inverter control, and the tilting rate of the pump is set to a tilting rate that compensates for the reduction of a pump discharge flow rate Q to raise the pump discharge flow rate Q around 1.25-1.43 fold.
B21C 31/00 - Control devices for metal extruding, e.g. for regulating the pressing speed or temperature of metalMeasuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses
An extrusion method using an extrusion press including an end platen to which a pressure ring is provided, a die, a container, a drive part for movement of the container, and a main cylinder device having an extrusion stem to form a billet into a shape includes extruding the billet loaded in the container by the extrusion stem from the die to shape it to an extruded material, releasing sealing pressure from the die, cutting the billet between the die and the container and between the die and the pressure ring by moving the die, and resuming shaping of extruded materials by the billet remaining inside the container.
Provided is a hybrid extrusion press equipped with an electric motor (65) that slides a container holder (18) and with a hydraulic assist cylinder (26), wherein: a connecting rod (50) is fixed to the container holder (18); the hydraulic assist cylinder (26), which includes a piston rod (32), has a gate device (61) that connects or disconnects the connecting rod (50) and the piston rod (32); and the gate device (61) is equipped with a hollow body (33) fixed to the piston rod (32), an enlarged diameter part (34) that is provided at one end of the connecting rod (50) and that moves reciprocally within a hollow part (35) of the hollow body (33), and a locking part (60) that is provided to the hollow body (33) and that locks the enlarged diameter part (34).
An injection molding method comprising: a mold clamping step of clamping a first mold and a second mold to form a mold cavity; a first injection filling step of injecting a foamable molten resin into the mold cavity to fill an interior of the mold cavity with the foamable molten resin, after completion of the mold clamping step; a mold cavity expansion step of expanding the mold cavity by a specified quantity to cause the foamable molten resin to foam, after the start of the first injection filling step; and a second injection filling step of pouring a molten resin or gas into the foamable molten resin within the mold cavity, after the completion of the first injection filling step, and after the start of the mold cavity expansion step.
B29C 44/08 - Shaping by internal pressure generated in the material, e.g. swelling or foaming for articles of definite length, i.e. discrete articles using several expanding steps
B29C 45/16 - Making multilayered or multicoloured articles
B29C 45/17 - Component parts, details or accessoriesAuxiliary operations
B29C 44/04 - Shaping by internal pressure generated in the material, e.g. swelling or foaming for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
A direct double-action extrusion press includes a main crosshead to which an extrusion stem is fixed; a main cylinder having a main ram that advances the main crosshead and pressing on a billet; a piercer cylinder disposed inside the main ram and drives a mandrel; a plurality of side cylinders that retracts the main ram via the main crosshead; and a hydraulic circuit for supplying hydraulic oil to the main cylinder, the piercer cylinder, and the side cylinders. Cylinder chambers of the plurality of side cylinders on a side where the hydraulic oil is discharged when the main crosshead is advancing have a pressure-receiving area equal in total to that of a rod side chamber of the piercer cylinder. During billet extrusion, the hydraulic circuit causes fluid communication through the rod side chamber of the piercer cylinder and each cylinder chamber of the plurality of side cylinders on the side where the hydraulic oil is discharged.
B21C 31/00 - Control devices for metal extruding, e.g. for regulating the pressing speed or temperature of metalMeasuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses
Provided is an extrusion press die-slide device (21) equipped with the following: a fixed frame (42); a moveable frame (26) which can move linearly but which is supported by the fixed frame in a non-rotatable manner; a first motion conversion mechanism which converts input rotational motion to linear motion and outputs the same in order to cause the moveable frame to move linearly with respect to the fixed frame; and a second motion conversion mechanism which is attached to the moveable frame and is equipped with a pusher (37) for imparting a pressing force to a die of the extrusion press, and which transmits the input rotational motion to the first motion conversion mechanism and converts the input rotational motion to linear motion and outputs the same in order to cause the pusher to move linearly with respect to the moveable frame.
An extrusion press shearing device that cuts off a discard (8). The extrusion press shearing device is provided with a first drive device (21), with a conversion means (23, 24) that converts rotational motion generated by the first drive device into rectilinear motion, with a shearing-slide drive frame (26) that is rectilinearly moved by the conversion means and that is linked to a shearing slide (18) that has a shearing blade (7) fixed thereto, with a slide component (31) that is linked to the shearing-slide drive frame via a linking component (25), and with a second drive device (33, 51) that rectilinearly moves the slide component and thereby rectilinearly moves the shearing-slide drive frame. The first drive device (21) and the second drive device (33, 51) are arranged in parallel with the conversion means that converts rotational motion into rectilinear motion.
A billet transport device, which inserts billets (10) coming out of a billet heater (21) into a container (3) for an extrusion press device, is constituted of a conveyor (22) for transporting the billets from the billet heater, an overhead billet carrier (40) for direct transport of billets to a billet loader (27) from the conveyor, and the billet loader for transporting billets into the extrusion press device from the outside thereof. In addition, the billet loader is constituted of an insertion roller device (60) for inserting billets into the container and a billet insertion device disposed at the tip of the billet loader.
An electric extrusion press in which an extrusion stem (13) is pressed with an extrusion force produced by an electric drive apparatus, thereby applying pressure to a billet (8) and extrusion-molding a predetermined article through a die (20), wherein the electric drive apparatus comprises one or a plurality of wire drums (31) rotatably provided, and a main motor (36) for electric extrusion rotates the wire drums to wind up wires (32) so as to apply a thrusting force in the extrusion direction to a moving pulley (41) and drive a crosshead (7) and the extrusion stem forward via an extrusion movement part (15).
Provided is a shear device (21) for an extrusion press having a booster mechanism for supplementing a driving force, either with use of an air cylinder or electrically, with a force equivalent to a hydraulic force. In the extrusion press, fixation parts for pressing a die stack (4) are constituted by lever-based booster mechanisms, and a shear guide (24) is fixed in an extrusion direction by being pushed against a horseshoe (13); moreover, a lever-based booster mechanism is employed in a shear guide tilting mechanism, which is also capable of keeping the clearance between the front surface of the die stack and a shear blade (25) constant.
The present invention comprises: a base layer molding step that injection-fills a mold cavity with a base layer resin to mold a base layer; a first expansion step that causes the volume of the mold cavity to expand to a specified quantity such that a certain space is formed between an outer surface of the base layer molded by the base layer molding step and an inner surface of the mold; a first injection-filling step that injection-fills the space formed by the first expansion step with a first resin; a second expansion step that, after the start of the first injection-filling step, causes the mold cavity to expand to a specified quantity such that the space is expanded; and a second injection-filling step that, after completion of the first injection-filling step and after the start of the second expansion step, injection-fills a second resin into the first resin.
A container degassing device for an extrusion press is equipped with: a integrally formed degassing block joined to the end surface of the container of the extrusion press; a first sealing member that seals the degassing block; a second sealing member that seals the outer peripheral surface of an extrusion stem or a fixed dummy block of the extrusion press; and a vacuum suction device that sucks air from within a degassing space formed within the container. The degassing space is sealed by the degassing block and the first and second sealing members, and the area between the degassing block and the container end surface is sealed by a metal touch.
A mold for injection molding includes a design-surface-side mold which is capable of forming a design surface of a resin molded product and a non-design-surface-side mold which is capable of forming a mold cavity with the design-surface-side mold. A convex portion is provided in any one of the design-surface-side mold and the non-design-surface-side mold so as to protrude toward the other one. The mold for injection molding is configured to be capable of switching a first mold closing state in which the convex portion is present from any one of the design-surface-side mold and the non-design-surface-side mold over the other one and a second mold closing state in which the convex portion is not present from any one of the design-surface-side mold and the non-design-surface-side mold over the other one. A first mold cavity capable of molding a first molded component is formed in the first mold closing state, and a mold cavity expansion portion capable of molding a second molded component is formed in the second mold closing state.
B29C 45/16 - Making multilayered or multicoloured articles
B29C 45/56 - Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
An injection molding die equipped with a design surface mold capable of forming the design surface of a resin molding and a non-design surface mold capable of forming a die cavity between itself and the design surface mold. On either the design surface mold or the non-design surface mold, protrusions that protrude towards the other mold are provided. The injection molding die is configured to be capable of switching between a first mold closing state in which the protrusions extend from either the design surface mold or the non-design surface mold to the other and a second mold closing state in which the protrusions do not extend from either the design surface mold or the non-design surface mold to the other. In the first mold-closing state, a first die cavity capable of forming a primary molding is formed and in the second mold-closing state, an expanded die cavity capable of molding a secondary molding is formed.
B29C 45/16 - Making multilayered or multicoloured articles
B29C 45/56 - Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
A double action extrusion press has: a main crosshead provided freely movable with the application of pressure in an axial direction by a main cylinder and having a pressing system disposed on the tip thereof; and a piercer cylinder built into the main cylinder and provided within the main ram, allowing a mandrel to slide within the pressing system and the main crosshead. The double action extrusion press complements the extrusion force by force equivalent to a mandrel pull force acting on a mandrel stop rod by affixing the piercer cylinder in contact to a piercer crosshead that is joined with the mandrel stop rod and applying hydraulic force to the rod side of the piercer cylinder.
B21C 31/00 - Control devices for metal extruding, e.g. for regulating the pressing speed or temperature of metalMeasuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses
The objective of the present invention is to improve productivity when multiple types of extruded products are manufactured or in the case of short extruded products. When a prescribed length of extruded material has been extruded, the sealing pressure is released from a die, and a billet is cut between the die and a container and between the die and a pressure ring, after which the die is replaced, and extrusion is started again by means of the billet remaining within the container.
A double-action extrusion press obtains a tubular product, wherein the pressure-receiving surface area of a cylinder chamber on the side from which hydraulic oil is discharged from a container cylinder and the pressure-receiving surface area on the rod-side chamber of a piercer cylinder are set to be the same when a container moves in the extrusion direction, and the cylinder chamber on the side from which hydraulic oil is discharged from the container cylinder and the rod-side chamber of the piercer cylinder are connected by an oil pressure conduit and are in communication with each other when a billet is extruded from the extrusion stem after piercing has been completed.
B21C 31/00 - Control devices for metal extruding, e.g. for regulating the pressing speed or temperature of metalMeasuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses
B21C 37/06 - Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided forManufacture of tubes of special shape of tubes or metal hosesCombined procedures for making tubes, e.g. for making multi-wall tubes
65.
Resin injection molding method and resin injection molded product
A resin injection molding method of molding a resin by injection-filling an inside of a mold cavity formed by mold-clamping a pair of a design surface mold and a non-design surface mold, with a melted thermoplastic polypropylene resin composition, the method including: setting a temperature of each cavity-forming surface of the design surface mold and the non-design surface mold prior to the injection filling to 60° C. to 120° C., with the temperature of the cavity-forming surface of the design surface mold being 5° C. to 50° C. higher than the temperature of the cavity-forming surface of the non-design surface mold; and causing the resin pressure to reach a negative pressure within 7 seconds after injection filling is complete, wherein the thermoplastic polypropylene resin composition contains a crystalline polypropylene resin and a rubber component and a content of the rubber component is 1 mass % to 40 mass %.
In the present invention, a direct double-action extrusion press is equipped with: a main crosshead (23) to which an extrusion stem (22) is fixed; a main cylinder (26) having a main ram (24) for advancing the main crosshead and pressing on a billet (14); a piercer cylinder (34) that is disposed inside the main ram and drives a mandrel (31); a plurality of side cylinders (37) for retracting the main ram via the main crosshead; and a hydraulic circuit for supplying hydraulic oil to the main cylinder, the piercer cylinder, and the side cylinders. Cylinder chambers (42) of the plurality of side cylinders on a side where the hydraulic oil is discharged when the main crosshead is advancing have a pressure-receiving area that is equal in total to that of a rod side chamber (40) of the piercer cylinder. During billet extrusion, the hydraulic circuit causes fluid communication through the rod side chamber of the piercer cylinder and each cylinder chamber of the plurality of side cylinders on the side where the hydraulic oil is discharged. Due to this configuration, a variation in the leading end position of the mandrel is suppressed.
B21C 31/00 - Control devices for metal extruding, e.g. for regulating the pressing speed or temperature of metalMeasuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses
This container degassing device that is for an extrusion press is equipped with: a integrally formed degassing block that is joined to the end surface of the container of the extrusion press; a first sealing member that seals the degassing block; a second sealing member that seals the outer peripheral surface of an extrusion stem or a fixed dummy block of the extrusion press; and a vacuum suction device that sucks air from within a degassing space formed within the container. The degassing space is sealed by the degassing block and the first and second sealing members, and the area between the degassing block and the container end surface is sealed by means of a metal touch.
A revolving transportation device (13) capable of revolving about a center column (11) and moving vertically is provided to a cylindrical cargo hold (10, 10A) for storing bulk cargo (C). The cargo (C) from a load cargo feed port (10d) at the upper part of the cargo hold (10, 10A) is directly or indirectly handed over to the revolving transportation device (13). The revolving transportation device (13) loads the cargo (C) in a flat configuration in the cargo hold (10, 10A) while leveling out the cargo (C) in the centrifugal and circumferential directions. Deterioration in visibility and an increase in ship length due to a loading/unloading device are thereby minimized in a ship in which the cargo (C) is loaded/unloaded in a state of being leveled out in a flat configuration in the cargo hold (10, 10A) and in which pellet-shaped or granular gas hydrate cargo (C) is transported in a bulk state. This also makes it possible to reduce the size of the opening of the cargo hold and to manage the oxygen concentration and temperature in each cargo hold separately.
A double action extrusion press has: a main crosshead provided freely movable with the application of pressure in an axial direction by a main cylinder and having a pressing system disposed on the tip thereof; and a piercer cylinder built into the main cylinder and provided within the main ram, allowing a mandrel to slide within the pressing system and the main crosshead. The double action extrusion press complements the extrusion force by force equivalent to a mandrel pull force acting on a mandrel stop rod by affixing the piercer cylinder in contact to a piercer crosshead that is joined with the mandrel stop rod and applying hydraulic force to the rod side of the piercer cylinder.
B21C 31/00 - Control devices for metal extruding, e.g. for regulating the pressing speed or temperature of metalMeasuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses
This casting device comprises: dies (19, 21) that form a cavity (22) having an opening in the lower section thereof; a pressurizing chamber (10) that is arranged below the dies, contains molten metal (A), and forms a sealed space above the molten metal; a tubular stalk (18), the upper-end opening of which is in communication with the opening of the cavity, and the lower-end opening of which is immersed in the molten metal inside the pressurizing chamber; a pressurizing means (16) that pressurizes the inside of the pressurizing chamber by supplying a gas into the sealed space in the pressurizing chamber; a depressurizing means (32) that depressurizes the inside of the cavity by discharging a gas from the cavity; and a control device (33). When the molten metal is filled into the cavity from the pressurizing chamber, the control device pressurizes the inside of the pressurizing chamber by the pressurizing means until the molten metal reaches the opening of the cavity, and after the molten metal has reached the opening of the cavity, the control device depressurizes the inside of the cavity by the depressurizing means while continuing to pressurize the inside of the pressurizing chamber.
A shearing device for an extrusion press is adapted for cutting off from each other an extruded product and a discard which is the residue of a billet, the shearing device being configured so that the configuration thereof is simplified to reduce costs required for maintenance and production and so that the gap between the shear blade and an end surface of a die is automatically adjusted to improve the shearing accuracy, thereby providing a satisfactory cut surface. A shear cylinder (21) is mounted in a downward facing position to a frame (16) provided on the side of an end platen (11) which faces a container (10). A shear guide (18) is mounted to the frame (16) in a tiltable manner, the shear guide (18) having a shear blade (24) which is provided at the lower end thereof and guiding a shear slide (23). A tilt cylinder (19) for the shear guide (18) is mounted to the frame (16), the tilt cylinder (19) being capable of keeping the gap between the front face of a die stack (12) and the shear blade (24) constant by pressing the shear guide (18) against a horseshoe (26). The piston rod (22) of the shear cylinder (21) is mounted to the shear slide (23) so as to be capable of tilting and sliding.
A vertical crusher (1) is provided with rotating crush rollers (3). The vertical crusher (1) crushes between a rotating table (2) and the crush rollers (3) a raw material supplied onto the rotating table (2), blows up the crushed raw material by gas introduced from a gas introduction opening (33) provided below the rotating table (2), and extracts the crushed material together with the gas from an upper extraction opening (39) provided above the rotating table (2). An annular passage (30) for blowing gas upward is provided at the outer periphery of the rotating table (2). The gas introduction opening (33) is bifurcated and interconnected with the annular passage (30) and is provided with: an air flow rate control damper (31) which adjusts the amount of supply of gas flowing into the bifurcated passages; and air flow direction control dampers (32) which are respectively provided to the bifurcated passages and which control the direction of gas which flows into the annular passage from the bifurcated passages. When supplying gas to the vertical crusher (1), the flow of gas which is introduced into the crusher can be made uniform by controlling the air flow rate control damper (31) and the air flow direction control dampers (32).
The present invention is provided with the following: a base material layer molding step for injection-filling a mold cavity with a base material layer resin to mold a base material layer; a first expansion step for causing the volume of the mold cavity to expand by only a predetermined amount so that a predetermined space is formed between the surface of the base material layer molded by the base material layer molding step and the inner surface of the mold; a first injection-filling step for injection-filling the space formed by the first expansion step with a first resin; a second expansion step for causing the mold cavity to expand by only a predetermined amount so that the space is expanded after the start of the first injection-filling step; and a second injection-filling step for injection-filling inside the first resin with a second resin after the completion of the first injection-filling step and after the start of the second expansion step.
An injection molding method comprising: a mold clamping step of clamping a first mold and a second mold to form a mold cavity; a first injection filling step of injecting a foamable molten resin into the mold cavity to fill an interior of the mold cavity with the foamable molten resin, after completion of the mold clamping step; a mold cavity expansion step of expanding the mold cavity by a specified quantity to cause the foamable molten resin to foam, after the start of the first injection filling step; and a second injection filling step of pouring a molten resin or gas into the foamable molten resin within the mold cavity, after the completion of the first injection filling step, and after the start of the mold cavity expansion step.
B29C 44/02 - Shaping by internal pressure generated in the material, e.g. swelling or foaming for articles of definite length, i.e. discrete articles
B29C 44/08 - Shaping by internal pressure generated in the material, e.g. swelling or foaming for articles of definite length, i.e. discrete articles using several expanding steps
B29C 45/16 - Making multilayered or multicoloured articles
B29C 45/17 - Component parts, details or accessoriesAuxiliary operations
B29C 44/04 - Shaping by internal pressure generated in the material, e.g. swelling or foaming for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
A double-action extrusion press (10) for obtaining a tubular product, wherein the pressure-receiving surface area of a cylinder chamber on the side from which hydraulic oil is discharged from a container cylinder (24) and the pressure-receiving surface area on the rod-side chamber of a piercer cylinder (23) are set to be the same when a container (20) moves in the extrusion direction, and the cylinder chamber (32) on the side from which hydraulic oil is discharged from the container cylinder (24) and the rod-side chamber (31) of the piercer cylinder are connected by an oil pressure conduit and are in communication with each other when a billet (22) is extruded from the extrusion stem (14) after piercing has been completed.
The horizontal screw silo (10) is provided with: a cargo hold (20) for storing cargo (C); a center column (14); a rotating tube (11); a rotating frame (30); a horizontal conveyance device (40), which is installed by being suspended from the rotating frame (30) so as to be capable of rotational and vertical movement and which disseminates or picks up the cargo (C) by conveying the same in a horizontal direction between the center column (14) and the cylindrical wall surface (20d) of the cargo hold (20); and a discharge conveyor (18) for discharging cargo (C), which has been supplied from a receiving section to the lower part of the center column (14), from the lower part of the center column (14) to the outside. A weight (50) provided on the extended frame (49) side of the horizontal conveyance device (40) is disposed at a position such that the center of mass of the horizontal conveyance device (40) as a whole substantially coincides with the central axis of rotation (P) on the central radial line (S) of the horizontal conveyance device (40) that passes through the central axis of rotation (P).
In the resin injection molding method, a molten thermoplastic polypropylene resin composition is injected to fill a mold cavity (114) formed when a mold plate with a designed surface (110) and a mold plate without a designed surface (112) have been fastened together, and to mold the resin inside the cavity. The thermoplastic polypropylene resin composition contains a crystalline polypropylene resin and a rubber component. The rubber content is from 1 to 40 mass%, the surface temperature of the cavity surfaces formed by the mold plate with a designed surface and the mold plate without a designed surface is from 60 to 120ºC prior to being filled with resin, the temperature of the surface of the mold plate with a designed surface (110a) is from 5 to 50ºC higher than the surface of the mold plate without a designed surface (112a), and the resin pressure becomes negative within seven seconds of completing the injection of the thermoplastic polypropylene resin composition.
This extrusion press device is provided with an end platen, dies, a container, and a container cylinder that causes the container to advance/retreat. A stem for pressing a billet in the container engages a main cylinder provided to the tip end and is provided in a manner so as to be able to slide forwards and backwards. Provided are: a plurality of hydraulic valves that supply, to the container cylinder, pressure oil within the main cylinder operating before the step for pressing a billet and the container moving to retreat during the discharge of compressed air within the cylinder after upsetting the billet; and a hydraulic valve that discharges the pressure oil within the main cylinder to a tank. The hydraulic valves are connected by means of hydraulic tubing, and the main cylinder and the container cylinder can interconnect.
A shearing device for an extrusion press is adapted for cutting off from each other an extruded product and a discard which is the residue of a billet, the shearing device being configured so that the configuration thereof is simplified to reduce costs required for maintenance and production and so that the gap between the shear blade and an end surface of a die is automatically adjusted to improve the shearing accuracy, thereby providing a satisfactory cut surface. A shear cylinder (21) is mounted in a downward facing position to a frame (16) provided on the side of an end platen (11) which faces a container (10). A shear guide (18) is mounted to the frame (16) in a tiltable manner, the shear guide (18) having a shear blade (24) which is provided at the lower end thereof and guiding a shear slide (23). A tilt cylinder (19) for the shear guide (18) is mounted to the frame (16), the tilt cylinder (19) being capable of keeping the gap between the front face of a die stack (12) and the shear blade (24) constant by pressing the shear guide (18) against a horseshoe (26). The piston rod (22) of the shear cylinder (21) is mounted to the shear slide (23) so as to be capable of tilting and sliding.
Provided are an extrusion press and control method for an extrusion press, provided with a means which can prevent phenomena in which a billet is blown out during an extrusion process as well as prevent billet blowout with a simple and inexpensive constitution. The extrusion press drives a main cylinder device (12) to extrude, by means of a stem (24), a billet (20) filled into a container (18) from a die (16) and form a product (20A). A gap measurement means (60) that measures a gap, during the extrusion process, arising at the container seal surface formed by pressing the die side end surface of the container (18) against the container side end surface of the die (16) is provided on an end platen (10) on the outer edge part of the container side end surface of the die (16). When the gap arising during the extrusion process is measured and the measured value is within a predetermined range of allowable values, a set value for the extrusion rate is lowered and a warning is issued. When the measured value exceeds the predetermined allowable values, the extrusion process is stopped.
B21C 31/00 - Control devices for metal extruding, e.g. for regulating the pressing speed or temperature of metalMeasuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses
B21C 51/00 - Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses
Provided is a short stroke type extrusion press which is capable of increasing a container strip force, improving energy efficiency, and saving space by reducing apparatus length. A main cylinder housing (4) of the extrusion press comprises a transfer medium (10) which advances or retreats an extrusion stem (13) in an extrusion axis direction, and a transfer medium (16) which advances or retreats a container (14) in the extrusion axis direction. A container pushing medium (21) is disposed at an end platen (1) disposed opposite the main cylinder housing (4) and makes it possible for at least four different transfer motions to be carried out independently or in collaboration with the container transfer medium in the direction in which the container (14) separates from a die (9).
The present invention provides an extrusion press with which it is possible to eliminate nonuniformity in the degree of dynamic/thermal fatigue of electrical devices, control devices, and the like that drive hydraulic devices and hydraulic pumps forming a hydraulic circuit in an extrusion press, and with which it is possible to standardize the degree of dynamic/thermal fatigue and the residual life of the aforementioned component devices, and which has a superior energy-saving effect. With this extrusion press, multiple variable-capacity hydraulic pumps are connected in parallel to supply operating oil to the hydraulic cylinder of the extrusion press, with the required discharge amount for the hydraulic pumps being determined on the basis of a preset operating speed, and the hydraulic pumps being selectively controlled and driven, and with the order of selection of the hydraulic pumps which are being selectively controlled and driven being controlled by programs which are performed sequentially when a prescribed number of formation cycles has been completed.
An injection molding method molds a molding using a first die and a second die which are capable of forming a die cavity. The method comprises: a die clamping step which clamps the first die and the second die to form the die cavity; a first injection and filling step which, after the completion of the die clamping step, injects and fills a foamable molten resin into the die cavity to fill the inside of the die cavity with the foamable molten resin; a die cavity expansion step which, after the start of the first injection and filling step, expands the die cavity by a predetermined amount to cause the foamable molten resin to foam; and a second injection and filling step which, after the completion of the first injection and filling step and after the start of the die cavity expansion step, pours a molten resin or gas into the foamable molten resin within the die cavity.
A multilayer molding apparatus, comprising: a fixed platen; a movable platen; an intermediate platen positioned between the fixed platen and the movable platen to be movable in the direction to come close or be opened, and having a surface facing the fixed platen, a surface facing the movable platen, and a housing space that goes therethrough from the surface facing the fixed platen to the surface facing the movable platen; and a rotary platen rotatably supported by the intermediate platen inside the housing space of the intermediate platen, and having at least one pair of parallel surfaces facing the fixed platen and the movable platen, wherein at least one of the surfaces of the intermediate platen facing the fixed platen and the movable platen is a mold mounting surface on which a mold can be mounted directly or indirectly.
A screw conveyor (100) is formed by connecting conveyor units (2), which house screws (3), in the direction of the rotating shafts (3a) of the screws (3). First and second fluid bearing sections (10, 20) are disposed between the connected ends of the conveyor units (2). The fluid bearing sections (10, 20) are provided with rotating rings (30) and stationary members which are subjected to loads from the rotating rings (30). The fluid bearing section (10) rotatably supports, at the pressure generating sections thereof, the rotating ring (30) in the radial direction and the thrust direction without contact. The fluid bearing section (20) rotatably supports, at the pressure generating sections thereof, the rotating ring (30) in the radial direction without contact. A bearing operating medium is supplied to each of the pressure generating sections after the flow rate thereof is controlled by a flow rate control valve (5c) of a control unit (5b) for controlling the flow rate of the bearing operating medium.
A die clamping device provided in an injection molding machine or a die-cast machine, the die clamping device being space saving, having lighter machine weight, and having a low production cost. The die clamping device is constituted by: a stationary platen for holding a stationary die; a movable platen for holding a movable die; a plurality of tie bars supported by the stationary platen; end blocks the number of which is equivalent to the number of tie bars, wherein tie bars penetrate the end blocks, and the end blocks are connected to the movable platen with toggle link mechanisms therebetween; divided nuts supported by the end blocks and capable of engaging/disengaging with/from the tie bars; a die opening/closing drive device which performs an opening/closing operation regarding the movable platen, the end blocks, and the toggle link mechanisms; and a cross head which generates a clamping force by operating the toggle link mechanisms.
An extrusion press includes a container mover that moves a container at an end platen and molding a product by extruding a billet loaded in the container from a die by a stem driven by a main cylinder device, wherein the extrusion press includes a deflection amount detector that detects a deflection amount of the die; a deflection amount of the die during extrusion is detected; a deviation between the detected deflection amount and a reference deflection amount of the die set in advance is mathematically processed; and the extrusion press includes a controller that sends an output to the container mover to reduce a container sealing force when the deviation is minus, or increase the container sealing force when the deviation is plus so that a container sealing force corresponding to the reference deflection amount acts on an end surface of the die.
B21C 51/00 - Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses
B21C 31/00 - Control devices for metal extruding, e.g. for regulating the pressing speed or temperature of metalMeasuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses
This vertical kiln (1) is provided with an outer tube (2) and an inner tube (3), and is provided with a starting material pathway (20) therebetween. A fired article discharge mechanism that discharges fired articles from the kiln is provided to the bottom end of the outer tube (2), below which a fired article cooling mechanism that cools the fired articles by introducing cooling air is provided. The fired article cooling mechanism is configured from a fired article introduction tube (22) and a fired article cooling device (21), and a fired article packed bed (23) following on from a fired article packed bed (21b) is formed in the fired article introduction tube (22). Most of the cooling air introduced to the fired article cooling device (21) does not flow upwards from the fired article packing layer (23), instead passing through a duct (30) connected to an upper space section, (21c) and being used as combustion air in a lower combustion chamber (17).
A multilayer molded product is formed by a multilayer molding apparatus including: a plurality of injection units on the part of a fixed platen; a moving platen caused to open and close the molds by a mold clamping unit; and a rotary platen mounted with different mold cavities on its surfaces facing the fixed platen and the moving platen respectively and having a mechanism enabling to move between the fixed platen and the moving platen in a mold opening/closing direction in conjunction with a mold opening/closing operation, stop at an arbitrary position, and rotate. The multilayer molded product is formed according to a multilayer molding method of switching the cavity to be formed by a mold core mounted on the fixed platen and a mold cavity mounted on the rotary platen by rotating the rotary platen, and performing injection-filling into the respective cavities from the plurality of injection units in accordance with preset injection patterns.
Disclosed is a fully electric extrusion press with reduced power consumption, improved maintainability and usability, and a reduced negative impact on the environment. Said extrusion press (10) is provided with an end platen (1), a fixed platen (2) disposed behind the end platen, a tie rod (4) that couples the end platen to the fixed platen (2), a die (20), a container (3) filled with billet (8), an extrusion stem (13) that presses on the billet (8), a cross head (7) to which the extrusion stem (13) is attached, and an extrusion drive device that drives the extrusion stem (13) back and forth. The extrusion drive device is provided with a rotatable wire drum (31) driven by an electric main extrusion motor (39). Extrusion molding is performed by rotating the wire drum (31) and taking up wire (32), thereby driving the extrusion stem (13).
Provided is a mold-clamping machine which is of an electrically driven type not requiring a linking mechanism and is used for a die casting machine or an injection molding machine. The mold-clamping machine comprises a machine base; a fixed plate placed on the machine base for holding a stationary mold on a stationary mold-holding face using the front face thereof as the stationary mold holding face; a fixed platen placed on the back side of the fixed plate and is movable relative to the fixed plate; a tie bar connected to the fixed platen; a movable platen provided to be movable in the opening-closing direction on the machine base, holding a movable mold on the movable mold-holding face opposed to the fixed mold fixing face of the fixed plate, and having a half nut releasable from the tie bar; a mold opening-closing device for driving the movable platen for opening and closing; and a plurality of mold clamping-force-generating mechanisms mounted between the fixed plate and the fixed platen, and generating a clamping force and a releasing force on the back face of the fixed plate in the range of mounting of a smallest fixing mold mounted on the fixed mold-mounting face.
While a second layer resin is being charged, a movable platen is moved backward to reach a given movable platen position (S1) to enlarge the capacity of a second cavity. After the completion of charging of the resin, a toggle mechanism is promptly driven to reduce the second cavity capacity to reach a given movable platen position (S2), and after the lapse of a given time, the toggle mechanism is driven again to enlarge the second cavity capacity to reach a given movable platen position (S3). Thus, a high quality multilayer injection molded article which has small variations in the wall thickness, dimension, and mass and which is free from deformation or warpage can be stable obtained.
B29C 45/16 - Making multilayered or multicoloured articles
B29C 45/66 - Mould opening, closing or clamping devices mechanical
B29C 45/70 - Means for plasticising or homogenising the moulding material or forcing it into the mould, combined with mould opening, closing or clamping devices
93.
LAMINATE MOLDING DEVICE AND LAMINATE MOLDING METHOD
A laminate molding device comprises a plurality of injection units on a fixed plate side, and opens/closes dies by a movable plate in a die clamping mechanism, wherein different product cavity dies are attached to opposing surfaces of the fixed plate and the movable plate, and a rotational plate is arranged between the fixed plate and the movable plate, the rotational plate having a mechanism capable of moving in the die opening/closing direction in association with the die opening/closing operation, and capable of stopping and rotating at an arbitrary movement position. Using the laminate molding device, a laminate molded product is formed by a laminate forming method wherein the product cavity formed by a product core die attached to the fixed plate and a product cavity die of the rotational plate is switched by rotating the rotational plate, and each product cavity is filled by injecting from the plurality of injection units in accordance with a preset injection pattern.
A fixing device is configured by: a pushing device of the die unit capable of pushing the die unit from ahead in the direction of extrusion; and a pressing device of the die unit capable of pressing a die ring and the die cassette from above in a direction intersecting the direction of extrusion. The fixing device of the die unit is arranged between the discard cutting device and an end platen and at the same time, the pressing device of the die unit is provided with a fixing metal fitting of the pushing device of the die unit and a pressing metal fitting of the die ring and when the pressing device of the die unit operates and presses and fixes the die ring and the die cassette, the pushing device of the die is fixed.
Provided is an ejector, simple in structure, for a die casting machine and a method of controlling the ejector capable of die-casting with high quality. The ejector for a die casting machine, wherein a plunger is pushed forward to eject molten metal contained in a sleeve, has an ejector provided with a plunger driven by a motor at a high and a low speed, a pressure mechanism for imparting a pressure on the molten metal by means of the plunger, and a shift lock mechanism for blocking the shift between the plunger and the pressure mechanism during the time when the molten metal is under pressure.
Disclosed is an extrusion press that improves the productivity of extruded goods of superior quality, even when using a nonstop billet loader, and improves space productivity by minimizing the equipment installation space. An extraction means is provided to be able to move freely in the extrusion direction, and tightly presses seal members disposed on the container-side end faces of two split seal blocks tightly against the stem-side end face of a container, so that when the seal blocks are closed, the contact faces of the seal blocks and the outer circumferential surface of an extrusion stem or fixed dummy block are pressed tightly together with interposed seal members that are adhered to the contact faces of the aforementioned seal blocks and seal members that are disposed on the inner circumferential surfaces of the seal blocks. The seal blocks are disposed to be able to be swung open and closed in the direction perpendicular to the axial direction of the extrusion stem, and the seal blocks are disposed to be able to move in the direction perpendicular to the axial direction of the extrusion stem when open.
b) arranged on the slide guide member to press the side end portions of the stem slide base. The stem slide apparatus further comprises a drive mechanism (10) having an electric motor (11) to move the slide base in the sliding direction. Therefore the indirect cause of a fire is removed and the maintenance work simplified.
A multilayer-molding method includes the steps of mixing at least one thermoplastic resin selected from a plurality of types of thermoplastic resins with a bubble-nucleating agent and a foaming gas, injecting the plurality of types of thermoplastic resins into a mold cavity such that the thermoplastic resins are layered in the mold cavity, and then, after increasing the volume of the mold cavity, foaming the at least one thermoplastic resin mixed with the bubble-nucleating agent and the foaming gas. The multilayer-molding method is characterized in that the foaming gas is supplied at a pressure of 0.1 MPa or more but less than 1.0 MPa to at least one injection-molding machine selected from a plurality of injection-molding machines, and that the thermoplastic resin plasticized in the injection-molding machine is mixed with the foaming gas.
An extrusion press and an extrusion control method obtains a uniformly-shaped extruded product by constantly applying a constant container sealing force between a container and a die even when an extrusion force varies during an extrusion process, improving product yield, and keeping a small energy consumption at the time of extrusion.
B21C 31/00 - Control devices for metal extruding, e.g. for regulating the pressing speed or temperature of metalMeasuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses
A discard conveying apparatus comprising a chute provided below a die of an extrusion pressing machine in which discards are freely dropped along the chute through which the discards are guided, in which the discard conveying apparatus comprises a chute having a discharging port in a position which is approximately just under the dies, a bucket for containing the discards disposed in the discharging port of the chute, and a transporter capable of freely moving the bucket in a forward and backward direction, the transporter being attached to a machine base in the direction of crossing to an axis line of the machine base in the manner of being passed through the machine base and supporting an inversion axis of the bucket, and the bucket is turned and inversed when the bucket is transported to an end portion of the forward movement.
