Abstract

An electric feeding and injection device comprises a mixing screw (1) equipped in a barrel for mixing and pushing the material and a transmission screw (2) mounted behind the mixing screw (1). The two screws are fixed together. The transmission screw (2) is connected with the rear of a feeding servo motor (3), and the extending section (6) of the rear portion of the transmission screw (2) is mounted through an injection servo motor (5). The feeding servo motor (3) is an external rotor servo motor.

IPC Classes  ?

• B29C 45/50 - Axially movable screw
• B29C 45/03 - Injection moulding apparatus

Abstract

A feeding and injection device for use in injection molding machine comprises a mixing screw (1) equipped in a barrel for mixing and pushing the material and a transmission screw (2) connected with the rear of the mixing screw (1). The two screws are fixed together. The transmission screw (2) is mounted through a feeding servo motor (3), and the extending section (6) of the rear portion of the transmission screw (2) is mounted through an injection servo motor (5). The feeding servo motor (3) is an inner rotor servo motor.

IPC Classes  ?

• B29C 45/50 - Axially movable screw
• B29C 45/03 - Injection moulding apparatus

Abstract

An electric pushing device includes a base, a screw rod (8) and a nut (9) which engages with the screw rod. The screw rod (8) extends through the base, and the front end of the screw rod (8) is a pushing end. An outer-rotor permanent magnet type servo motor is connected to the base, and the nut (9) is fixed to a rotor (3) of the motor.

IPC Classes  ?

• F16H 25/20 - Screw mechanisms

Abstract

Disclosed herein is an electrical mold clamping assembly with a mold closing mechanical structure comprising a frame, a back mold plate (10), a moving mold plate (15) for fitting a moving mold (17) and a front mold plate (16) for fitting a fixed mold (18). The moving mold plate (15) and the back mold plate (10) can be opened and closed face to face. The front end of a screw spindle (8) is connected to the mold closing mechanical structure. A rotor (3) of an outer rotor permanent magnet servomotor as a driving assembly of the screw spindle (8) is connected with a screw spindle nut (9) meshed with the screw spindle (8).

IPC Classes  ?

• B29C 45/64 - Mould opening, closing or clamping devices
• B29C 45/66 - Mould opening, closing or clamping devices mechanical

Abstract

Disclosed herein are a heating process for a cylinder of a plastic processing machine and a device thereof. The device comprises heating rings and temperature sensors arranged along the axial direction on the cylinder, and the temperature sensors are connected with the CPU, which pre-stores the predetermined temperature value of each heating ring. The inner cavities of heating rings are connected with heating pipes, which are arranged on heating furnaces, through medium transportation pipes. Wherein, the medium transportation pipes are arranged with feeding pumps. Several flow-control valves, which are connected with the output of the CPU, are mounted on the fuel input pipes of the heating furnaces. The temperature controlling is achieved by controlling the fuel input of the heating furnace.

IPC Classes  ?

• B29C 45/72 - Heating or cooling
• B29C 45/76 - Measuring, controlling or regulating
• B29C 45/62 - Barrels or cylinders
• B29C 47/66 - Barrels or cylinders
• B29C 47/82 - Heating the cylinders
• B29C 47/92 - Measuring, controlling or regulating

Abstract

A two-stage injection machine comprises a screw (4) connected with a rotary driver, a screw cylinder (3) and an injection cylinder (8), wherein the front end of the screw cylinder (3) is communicated to the injection cylinder (8) by a communicating pipe (6) with a non-return valve, and a rod plunger (10) is slideably mounted in the ring support (11) inside the back end of the injection cylinder (8), and the input opening (7) of the injection cylinder (8) is formed in front of the ring support (11).

IPC Classes  ?

• B29C 45/54 - Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw
• B29C 45/53 - Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
• B29C 45/58 - Means for plasticising or homogenising the moulding material or forcing it into the mould Details
• B29C 45/17 - Component parts, details or accessoriesAuxiliary operations

Abstract

A zero-phase-sequence impedance adjusting device and method of a zero-phase-sequence current filter adjusts the zero-phase-sequence impedance of a zero phase filter having a common terminal between a multi-phase AC power and a load. The device and method includes an obturator having two terminals and one or more taps, an input neutral wire and an output neutral wire, the input neutral wire connects with the AC power, the output neutral wire connects with the load, the common terminal of the zero-phase-sequence filter connects with the input neutral wire and the output neutral wire through the obturator, the zero-phase-sequence of the zero-phase-sequence filter in parallel with the load is changed by changing the tap of the obturator.

IPC Classes  ?

• H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks

Abstract

Disclosed herein are a method of foaming plastic injection molding and the machine thereof. The method comprises: forming the mixture of melt plastics and gas in a feeding barrel (1) by a screw (2), which is leaded into an accumulating barrel (7), then is pushed into an injection barrel (4) and is injected by the pressure; measuring the present injection amount of the injection barrel (14), the present pushing amount of the accumulating barrel (7), and the present output velocity of the feeding barrel (1); adapting the next pushing amount of the accumulating barrel (7) to be equal to the present injection amount of the injection barrel (14) and adjusting the screw rotary speed and the gas input velocity to ensure the uniform dispersion of gas in plastics and to make the output velocity of the feeding barrel (1) fit the next pushing amount of the accumulating barrel (7) by a central controller. The machine thereof comprises: the measuring assembly (11) of pushing amount of the accumulating barrel (7), the measuring assembly (19) of injection amount of the injection barrel (14), a servomotor (4), an assembly delivering gas (3), a central controller connecting with them and etc.

IPC Classes  ?

• B29C 45/54 - Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw
• B29C 45/53 - Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
• B29C 45/58 - Means for plasticising or homogenising the moulding material or forcing it into the mould Details
• B29C 45/17 - Component parts, details or accessoriesAuxiliary operations
• B29C 45/76 - Measuring, controlling or regulating

Abstract

A working table of machine tool for resistance to torsional deformation, a round pipe is provided in the working table of machine tool for resistance to torsional deformation, the round pipe runs through the working table and is located on the working table; so, the efficacy of the resistance to torsional deformation of long wheelbase type working table of machine tool can be obtained by said round pipe having same rotary radius in all directions and having larger rigidity for resistance to torsion.

IPC Classes  ?

• B23Q 1/01 - Frames, beds, pillars or like membersArrangement of ways
• B23Q 1/03 - Stationary work or tool supports

Abstract

A positing structure for melt cylinders comprises: a melt cylinder (2) having step part (21), a supporting stage (3) of the melt cylinder (2) and a positing foundation (4) of the melt cylinder (2) respectively having step arc grooves (31, 41) corresponding with the bottom and the top of said melt cylinder's step part (21), and herein the step arc grooves (31, 41) having a radial length corresponding with that of the melt cylinder (2). In the way, it is accomplished that horizontal assembling and positing are accurate to prevent inclining problems resulted by a too long cylinder.

IPC Classes  ?

• B29C 45/62 - Barrels or cylinders
• B29C 45/17 - Component parts, details or accessoriesAuxiliary operations
• B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor

Abstract

A multiphase rotary electrical machine includes two or more magnetic tracks and multiple electromagnet units. Each magnetic track includes magnetic units (51, 52) provided with two magnetic poles (51c1, 52c1, 51c2, 52c2, 51c3, 52c3, 51d, 52d). The magnetic units (51, 52) are arranged along the peripheral direction of a rotary shaft (74). The magnetic units (51, 52) included in different magnetic tracks are displaced with each other. Each phase unit of the electrical machine includes at least one of the electromagnet units and is magnetically isolated from the other phase units. The electromagnet unit of each phase unit and one corresponding magnetic track are coaxially disposed.

IPC Classes  ?

• H02K 21/22 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos

Abstract

A linear motor and the field magnet member thereof. The linear motor includes: a field magnet member including multiple magnetic assemblies arranged along the moving path, each magnetic assembly has two magnetic poles formed by two permanent magnets(12, 12b, 121a, 121b, 122a), the two magnetic poles have reverse magnetic polarities and corresponding polar-faces in a first and second direction, the adjacent permanent magnets(12, 12b, 121a, 121b, 122a) arranged along the moving path are separated by gaps and are magnetically isolated; an armature member holding by the magnetic assemblies at least partially.

IPC Classes  ?

• H02K 41/02 - Linear motorsSectional motors