Provided is an injection-molding device capable of remarkably reducing residual air in a cavity and producing a wax mold that has higher fidelity to the shape of the cavity. An injection-molding device (10) has: an injection part (24) capable of abutting a rubber mold (3); a wax tank (21) for pressurizing and storing wax; a vacuum tank (22) connected to a vacuum pump; a wax valve (31) for opening and closing a passage (21L) which connects the injection part (24) and the wax tank (21); and a first suction valve (32) for opening and closing a passage (22L) which connects the injection part (24) and the vacuum tank (22). The injection-molding device (10) further has: a volume expansion chamber (23); a volume expansion mechanism (40) for expanding the volume of the volume expansion chamber (23); and a second suction valve (33) for opening and closing a passage (23L) which connects the injection part (24) and the volume expansion chamber (23).
[Summary] [Problem] A conductor bundle 4M firmly bonded in the slot 2b is separated without causing deformation of a silicon steel plate and without chucking the processed stator 1A with excessive force. [Solution] A conductor bundle separation device 6 for separating a conductor bundle 4M from a stator 1 having a stator core 2 having a central hole 2a and a plurality of slots 2b around the central hole 2a, and the conductor bundle 4M bonded in the slot 2b, comprising a press unit 30 having a stay 33, a press rod 34 which is driven up and down by a press actuator 31 on the upper part of the stay 33, and an abutment 37 on the lower part of the stay 33, the abutment 37 having a hollow portion 37a through which the conductor bundle 4M positioned on the axis L of the press rod 34 can pass, wherein with the slot 2b being aligned with the axis L, and the lower surface of the stator core 2 being supported by the abutment 37, the press rod 34 is inserted into the slot 2b by driving the press actuator 31.
H01B 15/00 - Appareils ou procédés de récupération du matériau de câbles
H02K 15/02 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques
H02K 15/50 - Désassemblage, réparation ou modification de machines dynamo-électriques
3.
CONDUCTOR BUNDLE SEPARATION DEVICE AND CONDUCTOR BUNDLE SEPARATION METHOD
[Problem] To separate a conductor bundle 4M that is firmly bonded in a slot 2b without chucking a processed stator 1A with excessive force and without causing deformation of a silicon steel plate. [Solution] A conductor bundle separation device 6 separates a conductor bundle 4M from a stator 1 that has a stator core 2 having a center hole 2a and a plurality of slots 2b around the center hole 2a, and a conductor bundle 4M bonded in the slot 2b. The conductor bundle separation device 6 comprises a press unit 30 having a stay 33, a press rod 34 that is vertically driven by a press actuator 31 at an upper portion of the stay 33, and a support 37 at a lower portion of the stay 33. The support 37 has a cavity 37a through which the conductor bundle 4M that is positioned on an axis L of the press rod 34 can pass, and inserts the press rod 34 into the slot 2b by being driven by the press actuator 31 in a state in which the slot 2b is made to coincide with the axis L and the lower surface of the stator core 2 is supported by the support 37.
H02K 15/02 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques
Disclosed is an injection molding device 10 that includes: a wax tank 21 that stores wax; an injection part 24 connected to the wax tank; a suction part 42 capable of suctioning air; and a rubber mold 50 including an injection port 52 capable of contacting the injection part 24, a suction port 53 capable of contacting the suction part 42, and a cavity 51 connected to the injection port 52 and the suction port 53. The wax in the wax tank 21 is injected into the rubber mold 50 from the injection part 24 by the pressure in the wax tank 21. The cavity 51 and the suction port 53 allow the passage of air, and are connected via a wax blocking part 54 that blocks the passage of the wax.
Provided is a rotation drive device that has a wide rotary driving range, e.g. a rotary driving range of 0°-180°. Disclosed is a rotation drive device comprising a crank member rotatable about a crank axis, a first cylinder having a first piston and rotatable about a first cylinder rotation axis, and a second cylinder having a second piston and rotatable about a second cylinder rotation axis. The crank member and the first piston are coupled for rotation about a first piston rotation axis spaced from the crank axis. The crank member and the first piston are coupled for rotation about a second piston rotation axis spaced from the crank axis.
F15B 15/06 - Schéma mécanique de montage caractérisé par les moyens transformant le mouvement de l'élément entraîné par le fluide en mouvement de l'organe terminal qui est actionné pour la transformation mécanique d'un mouvement rectiligne en un mouvement non rectiligne
A servo valve for precisely controlling a position of a pneumatic cylinder does not require a servo amplifier and a small sized and/or high durability servo valve unit. The servo valve comprises a unit body having first and second portions, first and second valve portions, first and second seal members that open and close the first and second valve portions, respectively, first and second drive mechanisms that drive first and second seal members by first and second electric pulses, respectively, a supply flow path between the first end and first valve, an exhaust flow path between the second end and second valve, a common flow path connected to the supply and exhaust flow paths via first and second valve portions, and a drive flow path connected to the pneumatic actuator. First and second drive mechanisms are arranged in a drive mechanism arrangement portion located between first and second end portions.
F16K 11/22 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont plusieurs éléments de fermeture ne se déplacent pas comme un tout actionnés par des organes de commande distincts chacun étant propre à une soupape, p. ex. conjugués pour former clapet à voies multiples
F15B 9/03 - Servomoteurs à asservissement, c.-à-d. dans lesquels la position de l'organe commandé correspond à celle de l'organe qui commande les servomoteurs étant du type à mouvement possible alternatif ou oscillant avec moyens de commande électriques
F15B 9/09 - Servomoteurs à asservissement, c.-à-d. dans lesquels la position de l'organe commandé correspond à celle de l'organe qui commande les servomoteurs étant du type à mouvement possible alternatif ou oscillant commandés par des clapets agissant sur l'alimentation de fluide ou sur l'orifice de sortie du fluide du servomoteur avec moyens de commande électriques
F16K 31/42 - Moyens de fonctionnementDispositifs de retour à la position de repos actionnés par un fluide et au moyen d'organes actionnés électriquement dans les canalisations d'entrée ou de refoulement du moteur à fluide
Provided is a rotary drive device that has a wide rotary driving range, e.g. a rotary driving range of 0-180°. Disclosed is a rotary drive device (100) comprising: a crank member (2) that can rotate around a crankshaft (3); a first cylinder (6a) that can rotate around a first cylinder rotation shaft (5a) having a first piston (7a); and a second cylinder (6b) that can rotate around a second cylinder rotation shaft (5b) having a second piston (7b). The crank member (2) and the first piston (7a) are linked in a manner allowing rotation around a first piston rotation shaft (4a) that is distanced from the crankshaft (3), and the crank member (3) and the second piston (7b) are linked in a manner allowing rotation around a second piston rotation shaft (4b) that is distanced from the crankshaft (3).
F15B 15/06 - Schéma mécanique de montage caractérisé par les moyens transformant le mouvement de l'élément entraîné par le fluide en mouvement de l'organe terminal qui est actionné pour la transformation mécanique d'un mouvement rectiligne en un mouvement non rectiligne
F15B 9/09 - Servomoteurs à asservissement, c.-à-d. dans lesquels la position de l'organe commandé correspond à celle de l'organe qui commande les servomoteurs étant du type à mouvement possible alternatif ou oscillant commandés par des clapets agissant sur l'alimentation de fluide ou sur l'orifice de sortie du fluide du servomoteur avec moyens de commande électriques
[Problem] To provide a servo valve unit that does not require a servo amplifier that can accurately control the position of an air pressure cylinder. [Solution] Disclosed is a servo valve unit (2) that actuates in accordance with first and second electric pulses corresponding to positions of a piston of an air pressure cylinder (40). The servo valve unit (2) has a shared flow channel (11), a supply port (12) connected to the shared flow channel (11) via a pulse-type openable and closeable first valve part (20R) that responds to the first electric pulse, an exhaust port (13) connected to the shared flow channel (11) via a pulse-type openable and closeable second valve part (20L) that responds to the second electric pulse, and a driving air port (14). One end of the driving air port (14) is connected to the shared flow channel (11), and formed in the other end of the driving air port (14) is a connecting part (14a) for connecting to the air pressure cylinder (40).
F15B 9/09 - Servomoteurs à asservissement, c.-à-d. dans lesquels la position de l'organe commandé correspond à celle de l'organe qui commande les servomoteurs étant du type à mouvement possible alternatif ou oscillant commandés par des clapets agissant sur l'alimentation de fluide ou sur l'orifice de sortie du fluide du servomoteur avec moyens de commande électriques
A servo valve unit (20) that has: a unit body (10) that has a first end part (61a) and a second end part (61b); a first valve part (20R); a second valve part (20L); a first seal member (22) that opens/closes the first valve part (20R); a second seal member (22) that opens/closes the second valve part (20L); a first drive mechanism that drives the first seal member (22) by means of a first electric pulse (S1); a second drive mechanism that drives the second seal member (22) by means of a second electric pulse (S2); a supply passage (12) that extends between the first end part (61a) and the first valve part (20R); an exhaust passage (13) that extends between the second end part (61b) and the second valve part (20L); a common passage (11) that is connected to the supply passage (12) and the exhaust passage (13) via the first valve part (20R) and the second valve part (20L); and a drive passage (14) that is connected to a pneumatic actuator (40).
F15B 9/03 - Servomoteurs à asservissement, c.-à-d. dans lesquels la position de l'organe commandé correspond à celle de l'organe qui commande les servomoteurs étant du type à mouvement possible alternatif ou oscillant avec moyens de commande électriques
F15B 9/09 - Servomoteurs à asservissement, c.-à-d. dans lesquels la position de l'organe commandé correspond à celle de l'organe qui commande les servomoteurs étant du type à mouvement possible alternatif ou oscillant commandés par des clapets agissant sur l'alimentation de fluide ou sur l'orifice de sortie du fluide du servomoteur avec moyens de commande électriques
The objective of the present invention is to prevent deformation of a wax model and the generation of burrs during injection molding, thereby improving the quality/precision of a wax model, and to enhance the efficiency in mounting and removing a rubber mold and casting a wax model. Disclosed is a rubber mold insertion tool 20 for placing and mounting a rubber mold 3 in a clamp unit 5 of an injection molding machine, said rubber mold insertion tool having: at least two securing walls 22a, 22b capable of being secured at positions separated from each other in a direction (X direction) perpendicular to the clamping direction of the clamp unit 5; and a movable wall 23 that is attached to at least one of the securing walls 22a, 22b and that can be moved and secured in place in the perpendicular direction.
Disclosed are a wax injection molding device 10A and a casting method for an article using the same that can efficiently perform evacuation and/or wax injection, can shorten the work time of the device, and/or can improve wax model quality. The wax injection molding device 10A has a vacuum chamber 50, a nozzle 31 connected to the vacuum chamber 50, and a pressure sensor 51 for measuring pressure P of the vacuum chamber 50, and is capable of performing, via the nozzle 31, evacuation of a mold 3 using the vacuum chamber 50 and wax injection into the mold 3 after evacuation. A movement control means 60 controls the evacuation and/or wax injection on the basis of the pressure P of the vacuum chamber 50. In a preferred embodiment, the movement control means 60 controls the implementation time for evacuation and/or the wax injection on the basis of cavity volume Vg of the mold 3 calculated from the pressure P of the vacuum chamber 50.
Disclosed is an injection nozzle 30 for a wax injection molding machine, whereby dropping out/misregistration of a seal member 35 for sealing a ventilation passage 33c can be prevented, and/or seal properties of the seal member 35 can be enhanced. An injection nozzle 30 is provided with: an outer cylinder 31; an inner cylinder 32 capable of moving in a front-rear direction; a wax passage 33d connected with an inner cylinder opening 33b at a front end of the inner cylinder 32, the wax passage 33d being prescribed by an inner wall of the inner cylinder 32; an exhaust flow channel 33c connected with an outer cylinder opening 33a at a front end of the outer cylinder 31, the exhaust flow channel 33c being prescribed between an inner wall of the outer cylinder 31 and an outer wall of the inner cylinder 32; a wax valve for opening and closing the wax flow channel 33d; and an exhaust valve for opening and closing the exhaust flow channel 33c; the outer cylinder 31 having a small-inside-diameter part 31a in which the outer cylinder opening 33a is formed, the inner cylinder 32 having a small-outside-diameter part 32a in which the inner cylinder opening 33b is formed, and an outer surface taper part 32b, the outside diameter of which increases progressively toward the rear from the small-outside-diameter part 32a, and the exhaust valve having a seal member 35 mounted to the outer surface taper part 32b.
The purpose of the present invention is to provide a clamping device that can clamp a rubber mold 3 so as to prevent wax leakage during wax injection without applying excessive clamping force to the rubber mold 3. Provided is a clamping device that has a mounting base 9 whereon the rubber mold 3 is mounted, a clamping plate 10 movable in the vertical direction, and a clamping force generator 11 for making clamping force operate on the clamping plate 10, and that clamps the rubber mold 3 between the mounting base 9 and the clamping plate 10, wherein the clamping device also has: a surface pressure measuring mechanism that includes a surface pressure sensor 31 for measuring surface pressure Pm generated on the rubber mold 3; an input means 40 for inputting a surface pressure target value Pa; and a control means 50 for controlling the clamping force F1 on the basis of the surface pressure target value Pa and the surface pressure Pm.
Disclosed are a clamping device that can reliably clamp a rubber mold 3 with a small clamping force F1, a clamping device by which easy determination of a clamping force F1 is possible, and a method for manufacturing a wax model. The clamping device has a mounting base 9 for mounting the rubber mold 3, a clamping plate 10, and a clamping force generator 11 for changing the position of the clamping plate 10 with respect to the mounting base 9 in the vertical direction, and the position of the clamping plate 10 with respect to the mounting base 9 in the vertical direction is fixed by a locking mechanism 20A. The locking mechanism 20A locks the position of the clamping plate 10 in a state wherein the rubber mold 3 is clamped between the mounting base 9 and the clamping plate 10.
Provided is a clamping device having a simple and low-cost vertical movement mechanism 5b for making the height of a sprue 4a of a rubber mold 3 equal to an injection nozzle 7 of an injection molding machine for producing a wax pattern. The clamping device has: a clamping mechanism unit 5a, which is provided with a mounting base 9 for mounting the mold 3, a clamp plate 10, and a clamp drive device 11 for changing the distance between the mounting base 9 and the clamp plate 10 in the vertical direction; and a vertical movement device 5b for moving the clamping mechanism unit 5a in the vertical direction. The mold 3 is clamped by the clamp drive device 11 changing the distance between the mounting base 9 and the clamp plate 19 from a first distance L to a second distance L'. In the clamping device, the vertical movement device 5b is configured so as to raise the clamping mechanism unit 5a by (L − L')/n (where 1.5 ≤ n ≤ 2.5).
Provided is a clamp unit that prevents shifting of the point of action of clamping force on a clamp member 10 in a step for clamping a wax mold and thereby makes it possible to prevent unnecessary shaking movement of the clamp member 10. The clamp unit comprises a clamp member 10 that is capable of movement in the vertical direction, a pressing member 11a that causes pressing force to act on the clamp member 10 in the vertical direction, and a movement limiting mechanism 30 that limits movement of the pressing member 11a in the horizontal direction. The pressing member 11a is capable of movement in the horizontal direction when the clamp member 10 is in a first position in the vertical direction. The movement limiting mechanism 30 limits movement of the clamp member 10 in the horizontal direction when the clamp member 10 descends from the first position.
Provided is a clamp unit that prevents shifting of the point of action of clamping force on a clamp member 10 in a step for clamping a wax mold and thereby makes it possible to prevent unnecessary shaking movement of the clamp member 10. The clamp unit comprises a clamp member 10 that is capable of movement in the vertical direction, a pressing member 11a that causes pressing force to act on the clamp member 10 in the vertical direction, and a movement limiting mechanism 30 that limits movement of the pressing member 11a in the horizontal direction. The pressing member 11a is capable of movement in the horizontal direction when the clamp member 10 is in a first position in the vertical direction. The movement limiting mechanism 30 limits movement of the pressing member 11a in the horizontal direction with respect to the clamp member 10 when the clamp member 10 descends from the first position.
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