CN215882336U - Special production equipment for special-shaped commutator - Google Patents

Abstract

A special production device for a special-shaped commutator comprises a workbench, a guide plate, a positioning ring for positioning a commutator segment group, a tight ring bushing for fixing the commutator segment group, a product fork for clamping the tight ring bushing in batches, and a driving cylinder, wherein the workbench is arranged in a semi-surrounding shape, an injection molding station is arranged in the middle of the workbench, a checking platform, a mold feeding station and a preheating station are sequentially arranged on the left side of the workbench, and a material cake heating device and a burr processing station are arranged on one side of the right side of the workbench; the utility model has the advantages of simple structure, reasonable design, small layout space, low working strength, high working efficiency, low production cost, convenient commutator production and the like.

Description

Special production equipment for special-shaped commutator

Technical Field

The utility model relates to a commutator, in particular to special production equipment for a special-shaped commutator.

Background

The commutator is widely applied to electric tools and automobile motors, an upper reinforcing ring and a lower reinforcing ring are usually adopted to reinforce a commutator segment of the commutator during production of the commutator, and a spring bushing is arranged on the inner side of an bakelite powder main body of the commutator so as to improve the mechanical strength and the overspeed performance of the commutator; the commutator is manufactured by a very important process called commutator injection molding process, the commutator injection molding process is to complete the combination of the commutator segments, the spring bushings and the bakelite powder by the pressure injection of the bakelite powder, and a plurality of related auxiliary processes are also arranged before and after the commutator injection molding process, and the processes consume a large amount of working hours, so that the operation is complex and loose, the production efficiency is low, and the labor intensity of workers is high.

SUMMERY OF THE UTILITY MODEL

The special production equipment for the special-shaped commutator, provided by the utility model, has the advantages of simple structure, reasonable design, small layout space, low working strength, high working efficiency, low production cost and convenience in commutator production, and is used for solving the defects in the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a special production facility of dysmorphism commutator, includes workstation, deflector, is used for the holding ring of location commutator piece group, is used for the tight circle bush of fixed commutator piece group, is used for pressing from both sides in batches to get the product fork of tight circle bush, drives actuating cylinder, the workstation is half encirclement shape and lays, the centre of workstation is equipped with the station of moulding plastics, the left side of workstation is equipped with the checkout stand in proper order, send the mould station, preheats the station, right side one side of workstation is equipped with material cake heating device, burr treatment station.

Preferably, the injection molding station comprises a lower template and an upper template, sliding seats are arranged on two sides of the lower template, a plurality of support columns are arranged between the sliding seats at the two sides of the lower template, a lower mould push plate is sleeved among the support columns, a plurality of lower die push rods are fixed on the lower die push plate, a lower die base plate is fixed on the top of the supporting column, the upper end of the lower die push rod penetrates through the lower die base plate, a push rod spring is sleeved on the lower die push rod between the lower die push plate and the lower die base plate, the inner sides of the tops of the sliding seats are provided with injection slide ways which extend to the outer side of the upper template, a lower movable template is arranged between the two injection slide ways, a plurality of injection holes for placing the tight ring bushing are uniformly arranged on the lower movable middle template, a lower pressure head is arranged in the pressure injection hole, and the tail end of the lower pressure head is abutted with the top end of the lower die push rod; a plurality of middle plate guide pillars are arranged on two sides of the upper template, a middle sliding plate is arranged between the upper template and the lower template, and a plurality of material block bushings matched with the pressure injection holes in the lower movable template are embedded in the middle sliding plate; the lower surface of the upper template is provided with a pressure head fixing plate, the pressure head fixing plate is provided with a plurality of upper pressure heads matched with a material block bushing on the middle sliding plate, and the upper pressure heads can penetrate through the material block bushing and extend into a pressure injection hole on the lower movable middle template; and the upper template and the lower die push plate are both connected with driving cylinders.

Preferably, the lower die plate is provided with side base plates on the inner sides of the sliding seats on the two sides, the lower side of the movable middle die plate of the lower die is sequentially provided with a pulley positioning plate, a lower heat insulation plate and a movable fixed plate of the lower die, the movable middle die plate of the lower die is in sliding connection with the injection slide way through the movable fixed plate of the lower die, and the tail end of the lower pressing head penetrates through the lower heat insulation plate, the pulley positioning plate and the movable fixed plate of the lower die to abut against the top end of the lower die push rod.

Preferably, the middle sliding plate is connected with the upper template through a sliding plate pull rod, a first spring is sleeved on the sliding plate pull rod between the middle sliding plate and the upper template, a plurality of fixed hooks are arranged on both sides of the middle sliding plate and are rotatably connected with the middle sliding plate through hook guide posts, the lower side of the fixed hook is provided with a hook part, the two sides of the lower movable template are provided with fixed bulges matched with the hook part of the fixed hook, the outer side of the fixed hook is provided with a butting part which is butted with the first spring, the lower surface of the middle sliding plate opposite to the butting part of the fixed hook is provided with a pull rod push block which is butted with the lower surface of the butting part, the pulley positioning plate is provided with a plurality of middle die guide columns, the middle die guide columns penetrate through the lower die movable middle die plate and extend into the middle sliding plate, and the upper surface and the lower surface of the middle sliding plate are respectively provided with a plurality of buffer gaskets.

Preferably, an upper die base plate, an upper heat insulation plate and an upper heating plate are sequentially arranged between the upper die plate and the pressure head fixing plate, a heating pipe is arranged on the upper heating plate, the heating pipe penetrates through the pressure head fixing plate and extends into the upper pressure head, a spring column is arranged on the upper heating plate, the lower end of the spring column penetrates through the upper heating plate and the pressure head fixing plate and extends to the lower side of the pressure head fixing plate, and a second spring is arranged between the upper end of the spring column and the upper die plate.

Preferably, the inspection bench is provided with a metal sensor for detecting whether reinforcing rings are installed at two ends of the commutator segment, and the inspection bench is also provided with a recovery tank; the mold feeding station comprises a mold feeding frame, a mold feeding seat is arranged in the mold feeding frame, a plurality of mold feeding grooves for placing tight ring bushings are formed in the mold feeding seat, the mold feeding seat is connected with the inspection bench through a transition slideway, a transition tray is arranged on the transition slideway, a plurality of transition slotted holes for placing the tight ring bushings are formed in the transition tray, the guide plate is placed on the transition tray, a clamping strip for clamping the guide plate to the transition tray is arranged on the outer ring of the lower surface of the guide plate, and a plurality of guide holes respectively matched with the transition slotted holes in the transition tray are formed in the guide plate; the die conveying frame is provided with a die conveying pressing plate on the upper side of the die conveying base, the die conveying pressing plate is connected with a driving cylinder, the lower surface of the die conveying pressing plate is provided with a die conveying push rod, the lower end surface of the die conveying push rod is provided with a waste removing thimble, and the die conveying frame is provided with a material receiving groove on the lower side of the die conveying base; the preheating station comprises a heating frame, a heating seat is arranged on the heating frame, a plurality of heating slot holes used for placing the tight ring bushing are formed in the heating seat, and a heater connected with a driving cylinder is arranged on the upper side of the heating seat.

Preferably, the positioning ring comprises a positioning ring body for hooping the commutator segment, the end parts of the two ends of the positioning ring body are arranged in a staggered mode, the end parts are provided with a spreading handle for spreading the positioning ring body, and the positioning ring body and the spreading handle are integrally formed by bending steel wires; the tight ring bushing comprises a bushing body, a fixing hole for fixing a commutator bar group is formed in the bushing body, a clamping ring matched with the product fork is arranged on the outer wall of the tight ring bushing, and a placing and limiting step for placing the tight ring bushing is further arranged on the outer wall of the tight ring bushing; the product fork comprises a product fork body, handles are arranged on two sides of the product fork body, a plurality of clamping grooves used for clamping the tight ring bushing are formed in the product fork body, the width of each clamping groove is matched with the outer diameter of the tight ring bushing, and the front side end portion of each clamping groove is arranged in a wedge-shaped structure.

Preferably, the burr treatment station comprises a burr rubbing plate, the burr rubbing plate is obliquely arranged on the workbench, and waste discharge grooves are formed in the front side and the rear side of the burr rubbing plate of the workbench.

Preferably, the workbench is provided with placing frames for placing the commutator bar groups and the commutator finished products at the outer sides of the inspection table and the burr processing station.

When the utility model is used: 1. detecting whether a reinforcing ring is installed on the commutator segment group or not through a metal sensor on the inspection table, fixing the commutator segment group through a positioning ring, and taking down a rubber band sleeved on the outer side of the commutator segment group; 2. placing a tight ring bushing in a transition slot hole of a transition tray, placing a guide plate on the transition tray, and then placing a commutator bar group fixed by a positioning ring in the guide hole of the guide plate; 3. pushing the transition tray into a die feeding seat through a transition slideway, and driving a die feeding press plate by a driving cylinder to feed the commutator segment group in the guide hole into a ring tightening bush; 4. the transition tray is taken out from the die feeding seat and the positioning rings are recovered uniformly, and then the plastic core in the commutator segment group is taken out; 5. placing a ring tightening bushing pressed into a commutator bar group on a transition tray on a preheating station through a product fork to preheat the commutator bar group, and placing a material cake in a material cake heating device to heat the material cake; 6. placing the preheated commutator bar group and the ring tightening bushing into a pressure injection hole of a lower movable middle template of an injection molding station, then pushing the lower movable middle template into the injection molding station, and starting a driving cylinder to drive a middle sliding plate to move downwards until the middle sliding plate is abutted against a lower movable middle template; 7. taking out the material cakes in the material cake heating device, placing the material cakes in a material block lining of the middle sliding plate, and then starting the driving cylinder again to carry out die assembly to carry out pressure injection molding on the commutator; 8. ejecting a commutator finished product and a tight ring lining out of a pressure injection hole of a lower movable template through a lower pressure head, fixing the tight ring lining through a product fork to prevent the tight ring lining from falling back into the pressure injection hole, driving the lower pressure head to fall back through a driving air cylinder, and finally moving the lower movable template out of an injection molding station; 9. the finished commutator product on the lower die movable middle template and the tight ring bushing are moved into a die conveying groove of a die conveying base through a product fork, a driving cylinder drives a die conveying pressing plate to eject the finished commutator product in the tight ring bushing into a material collecting groove, and waste on the finished commutator product is ejected through a waste ejecting thimble; 10. performing burr treatment on the commutator finished product through a burr washboard of a burr treatment station to obtain a final finished product; the utility model has the advantages of simple structure, reasonable design, small layout space, low working strength, high working efficiency, low production cost, convenient commutator production and the like.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic view of the injection station of the present invention;

FIG. 3 is a schematic view of the construction of the mold-feeding station of the present invention;

FIG. 4 is a schematic structural diagram of a commutator segment group to be processed according to the present invention;

FIG. 5 is a schematic view of the construction of the deflector of the present invention;

FIG. 6 is a schematic structural view of the retaining ring of the present invention;

FIG. 7 is a schematic view of the construction of the gripping sleeve of the present invention;

FIG. 8 is a schematic diagram of the construction of a product fork of the present invention.

In the figure: 1. a work table; 11. a driving cylinder; 12. an inspection bench; 121. a metal sensor; 122. a recovery tank; 13. a cake heating device; 14. a burr treatment station; 141. a burr washboard; 142. a waste discharge tank; 15. placing a rack; 2. a guide plate; 21. a clamping strip; 22. a guide hole; 3. a positioning ring; 31. a positioning ring body; 32. opening the handle; 4. a tight ring bushing; 41. a bushing body; 42. a fixing hole; 43. clipping a ring; 44. placing a limit step; 5. a product fork; 51. a product fork body; 52. a handle; 53. a clamping groove; 6. an injection molding station; 601. a lower template; 602. mounting a template; 603. a slide base; 604. a support pillar; 605. a lower die push plate; 606. a lower die push rod; 607. a lower die base plate; 608. a push rod spring; 609. injection molding a slideway; 610. a lower movable template; 611. pressing and injecting holes; 612. a lower pressure head; 613. a middle plate guide post; 614. a middle slide plate; 615. a material block bushing; 616. a pressure head fixing plate; 617. an upper pressure head; 618. a side bolster plate; 619. a pulley positioning plate; 620. a lower heat insulation plate; 621. a lower type movable fixed plate; 622. a slide plate pull rod; 623. a first spring; 624. fixing the hook; 625. a hook guide post; 626. a hook portion; 627. a fixed protrusion; 628. an abutting portion; 629. a pull rod push block; 630. a middle die guide post; 631. a cushion pad; 632. an upper die base plate; 633. an upper heat insulation plate; 634. an upper heating plate; 635. heating a tube; 636. a spring post; 637. a second spring; 7. a die conveying station; 70. feeding the die frame; 71. a die feeding seat; 72. feeding a mold cavity; 73. a transition chute; 74. a transition tray; 75. a transition slot; 76. sending a die pressing plate; 77. a mold feeding push rod; 78. rejecting the waste thimble; 79. a material receiving groove; 8. a preheating station; 81. a heating rack; 82. a heating base; 83. heating the slot; 84. a heater; 9. a commutator bar group; 91. a commutator segment body; 92. a rubber band; 93. a plastic core; 94. and (7) reinforcing the ring.

Detailed Description

The technical solution of the present invention is further specifically described below by way of specific examples in conjunction with the accompanying drawings.

Example (b):

the production equipment special for the special-shaped commutator shown in fig. 1 to 8 comprises a workbench 1, a guide plate 2, a positioning ring 3 for positioning a commutator segment group 9, a ring clamping bushing 4 for fixing the commutator segment group 9, a product fork 5 for clamping the ring clamping bushing 4 in batches and a driving cylinder 11, wherein the workbench 1 is arranged in a semi-surrounding shape, an injection molding station 6 is arranged in the middle of the workbench 1, a checking platform 12, a mold feeding station 7 and a preheating station 8 are sequentially arranged on the left side of the workbench 1, a cake heating device 13 and a burr processing station 14 are arranged on one side of the right side of the workbench 1, and placing frames 15 for placing the commutator segment group 9 and a finished commutator product are arranged on the outer sides of the checking platform 12 and the burr processing station 14 of the workbench 1; the commutator segment group 9 to be processed comprises a commutator segment body 91, a rubber band 92, a plastic core 93 and reinforcing rings 94, wherein the commutator segment body 91 is fixed on the side wall of the plastic core 93 through the rubber band 92, and the reinforcing rings 94 are arranged at two ends of the commutator segment body 91.

The injection molding station 6 comprises a lower template 601 and an upper template 602, sliding seats 603 are arranged on two sides of the lower template 601, a plurality of supporting columns 604 are arranged between the sliding seats 603 on the two sides of the lower template 601, a lower mold push plate 605 is sleeved between the supporting columns 604, a plurality of lower mold push rods 606 are fixed on the lower mold push plate 605, a lower mold backing plate 607 is fixed on the top of each supporting column 604, the upper end of each lower mold push rod 606 penetrates through the lower mold backing plate 607, a push rod spring 608 is sleeved between the lower mold push plate 605 and the lower mold backing plate 607 by the corresponding lower mold push rod 606, injection molding slideways 609 are arranged on the inner sides of the tops of the sliding seats 603, each injection molding slideway 609 extends to the outer side of the upper template 602, a lower type movable template 610 is arranged between the two injection molding slideways 609, a plurality of injection holes 611 for placing the tight ring bushings 4 are uniformly arranged on the lower type movable template 610, and a lower pressure head 612 is arranged in the injection holes 611, the tail end of the lower pressure head 612 is abutted against the top end of the lower die push rod 606, the inner sides of the sliding seats 603 on the two sides of the lower template 601 are provided with side backing plates 618, the lower side of the lower movable middle template 610 is sequentially provided with a pulley positioning plate 619, a lower heat insulation plate 620 and a lower movable fixing plate 621, the lower movable middle template 610 is slidably connected with an injection slide 609 through the lower movable fixing plate 621, and the tail end of the lower pressure head 612 penetrates through the lower heat insulation plate 620, the pulley positioning plate 619 and the lower movable fixing plate 621 to be abutted against the top end of the lower die push rod 606; a plurality of middle plate guide posts 613 are arranged on two sides of the upper die plate 602, a middle sliding plate 614 is arranged between the upper die plate 602 and the lower die plate 601 by the middle plate guide posts 613, a plurality of material block bushings 615 matched with the injection holes 611 on the lower movable middle die plate 610 are embedded on the middle sliding plate 614, the middle sliding plate 614 is connected with the upper die plate 602 by a sliding plate pull rod 622, a first spring 623 is sleeved on the sliding plate pull rod 622 between the middle sliding plate 614 and the upper die plate 602, a plurality of fixed hooks 624 are arranged on two sides of the middle sliding plate 614, the fixed hooks 624 are rotatably connected with the middle sliding plate 614 by hook guide posts 625, hook portions 626 are arranged on the lower sides of the fixed hooks 624, fixing protrusions 627 matched with the hook portions 626 of the fixed hooks 624 are arranged on two sides of the lower movable middle die plate 610, abutting portions 628 abutted against the first springs 623 are arranged on the outer sides of the fixed hooks 624, a pull rod push block 629 which is abutted with the lower surface of the abutting part 628 is arranged on the lower surface of the intermediate sliding plate 614 opposite to the abutting part 628 of the fixed hook 624, a plurality of intermediate die guide posts 630 are arranged on the pulley positioning plate 619, the intermediate die guide posts 630 penetrate through the lower movable die plate 610 and extend into the intermediate sliding plate 614, and a plurality of buffer gaskets 631 are arranged on the upper surface and the lower surface of the intermediate sliding plate 614; a press head fixing plate 616 is arranged on the lower surface of the upper die plate 602, a plurality of upper press heads 617 matched with a material block bushing 615 on the middle sliding plate 614 are arranged on the press head fixing plate 616, the upper press heads 617 can extend into a press injection hole 611 on the lower movable die plate 610 through the material block bushing 615, an upper die backing plate 632, an upper heat insulation plate 633 and an upper heating plate 634 are sequentially arranged between the upper die plate 602 and the press head fixing plate 616, a heating pipe 635 is arranged on the upper heating plate 634, the heating pipe 635 extends into the upper press head 617 through the press head fixing plate 616, a spring column 636 is arranged on the upper heating plate 634, the lower end of the spring column 636 extends to the lower side of the press head fixing plate 616 through the upper heating plate 634 and the press head fixing plate 616, and a second spring 637 is arranged between the upper end of the spring column 636 and the upper die plate 602; the upper die plate 602 and the lower die push plate 605 are both connected with a driving cylinder 11.

The inspection bench 12 is provided with a metal sensor 121 for detecting whether the reinforcing rings 94 are installed at two ends of the commutator segment, and the inspection bench 12 is also provided with a recovery tank 122; the mold feeding station 7 comprises a mold feeding frame 70, a mold feeding seat 71 is arranged in the mold feeding frame 70, a plurality of mold feeding grooves 72 for placing the tight ring bushings 4 are formed in the mold feeding seat 71, the mold feeding seat 71 is connected with the inspection table 12 through a transition slide way 73, a transition tray 74 is arranged on the transition slide way 73, a plurality of transition groove holes 75 for placing the tight ring bushings 4 are formed in the transition tray 74, the guide plate 2 is placed on the transition tray 74, a clamping strip 21 for clamping the guide plate 2 on the transition tray 74 is arranged on the outer ring of the lower surface of the guide plate 2, and a plurality of guide holes 22 respectively matched with the transition groove holes 75 in the transition tray 74 are formed in the guide plate 2; the die conveying frame 70 is provided with a die conveying pressing plate 76 on the upper side of the die conveying base 71, the die conveying pressing plate 76 is connected with the driving cylinder 11, a die conveying push rod 77 is arranged on the lower surface of the die conveying pressing plate 76, a waste removing ejector pin 78 is arranged on the lower end surface of the die conveying push rod 77, and a material receiving groove 79 is arranged on the lower side of the die conveying base 71 of the die conveying frame 70; preheating station 8 includes heating frame 81, be equipped with heating seat 82 on the heating frame 81, be equipped with a plurality of heating slotted hole 83 that is used for placing tight circle bush 4 on the heating seat 82, heating frame 81 is equipped with the heater 84 that is connected with driving actuating cylinder 11 on heating seat 82 upside.

The positioning ring 3 comprises a positioning ring 3 body for hooping the commutator segment, the end parts of the two ends of the positioning ring 3 body are arranged in a staggered mode, the end parts are provided with a spreading handle 32 for spreading the positioning ring 3 body, and the positioning ring 3 body and the spreading handle 32 are formed by integrally bending steel wires; the tight ring bush 4 comprises a bush body 41, a fixing hole 42 for fixing the commutator segment group 9 is arranged in the bush body 41, a clamping ring 43 matched with the product fork 5 is arranged on the outer wall of the tight ring bush 4, and a placing and limiting step 44 for placing the tight ring bush 4 is further arranged on the outer wall of the tight ring bush 4; the product fork 5 comprises a product fork 5 body, handles 52 are arranged on two sides of the product fork 5 body, a plurality of clamping grooves 53 for clamping the tight ring bushing 4 are arranged on the product fork 5 body, the width of each clamping groove 53 is matched with the outer diameter of the tight ring bushing 4, and the front side end of the product fork 5 body of each clamping groove 53 is arranged in a wedge-shaped structure; the burr treatment station 14 comprises a burr rubbing plate 141, the burr rubbing plate 141 is obliquely arranged on the workbench 1, and the front side and the rear side of the workbench 1 on the burr rubbing plate 141 are respectively provided with a waste discharge groove 142.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the utility model as set forth in the claims.

Claims (9)

1. The special production equipment for the special-shaped commutator is characterized in that: including workstation (1), deflector (2), be used for location commutator group (9) holding ring (3), be used for fixed commutator group (9) tight circle bush (4), be used for pressing from both sides in batches and get product fork (5) tight circle bush (4), drive actuating cylinder (11), workstation (1) is half encirclement shape and lays, the centre of workstation (1) is equipped with injection molding station (6), the left side of workstation (1) is equipped with checkout stand (12) in proper order, send mould station (7), preheats station (8), right side one side of workstation (1) is equipped with material cake heating device (13), burr processing station (14).

2. The special production equipment for the special-shaped commutator according to claim 1, wherein: the injection molding station (6) comprises a lower template (601) and an upper template (602), sliding seats (603) are arranged on two sides of the lower template (601), a plurality of supporting columns (604) are arranged between the sliding seats (603) on two sides of the lower template (601), a lower mold push plate (605) is sleeved between the supporting columns (604), a plurality of lower mold push rods (606) are fixed on the lower mold push plate (605), a lower mold backing plate (607) is fixed on the top of each supporting column (604), the upper end of each lower mold push rod (606) penetrates through the lower mold backing plate (607), a push rod spring (608) is sleeved between the lower mold push plate (605) and the lower mold backing plate (607) by the lower mold push rods (606), injection molding slide ways (609) are arranged on the inner side of the top of each sliding seat (603), the injection molding slide ways (609) extend to the outer side of the upper template (602), and a lower mold movable template (610) is arranged between the two injection molding slide ways (609), a plurality of injection holes (611) for placing the tight ring bushings (4) are uniformly formed in the lower movable middle template (610), a lower pressure head (612) is arranged in each injection hole (611), and the tail end of each lower pressure head (612) is abutted against the top end of the lower mold push rod (606); a plurality of middle plate guide posts (613) are arranged on two sides of the upper template (602), a middle sliding plate (614) is arranged between the upper template (602) and the lower template (601) by the middle plate guide posts (613), and a plurality of material block bushings (615) matched with the injection holes (611) on the lower movable middle template (610) are embedded in the middle sliding plate (614); the lower surface of the upper template (602) is provided with a pressure head fixing plate (616), the pressure head fixing plate (616) is provided with a plurality of upper pressure heads (617) matched with the material block bushing (615) on the middle sliding plate (614), and the upper pressure heads (617) can extend into the pressure injection holes (611) on the lower movable template (610) through the material block bushing (615); and the upper template (602) and the lower die push plate (605) are both connected with a driving cylinder (11).

3. The special production equipment for the special-shaped commutator according to claim 2, wherein: the lower die plate (601) is provided with a side base plate (618) on the inner sides of two side sliding seats (603), the lower side of the lower movable middle die plate (610) is sequentially provided with a pulley positioning plate (619), a lower heat insulation plate (620) and a lower movable fixing plate (621), the lower movable middle die plate (610) is in sliding connection with an injection molding slide way (609) through the lower movable fixing plate (621), and the tail end of a lower pressure head (612) penetrates through the lower heat insulation plate (620), the pulley positioning plate (619) and the lower movable fixing plate (621) to abut against the top end of a lower die push rod (606).

4. The special production equipment for the special-shaped commutator according to claim 3, wherein: the middle sliding plate (614) is connected with the upper die plate (602) through a sliding plate pull rod (622), the sliding plate pull rod (622) is sleeved with a first spring (623) between the middle sliding plate (614) and the upper die plate (602), a plurality of fixed hooks (624) are arranged on two sides of the middle sliding plate (614), the fixed hooks (624) are rotatably connected with the middle sliding plate (614) through hook guide posts (625), hook portions (626) are arranged on the lower sides of the fixed hooks (624), fixed bulges (627) matched with the hook portions (626) of the fixed hooks (624) are arranged on two sides of the lower movable die plate (610), abutting portions (628) abutting against the first spring (623) are arranged on the outer sides of the fixed hooks (624), pull rod push blocks (629) abutting against the lower surfaces of the abutting portions (628) are arranged on the lower surfaces of the middle sliding plate (614) opposite to the abutting portions (628) of the fixed hooks (624), the pulley positioning plate (619) is provided with a plurality of middle die guide posts (630), the middle die guide posts (630) penetrate through the lower die movable middle die plate (610) and extend into the middle sliding plate (614), and the upper surface and the lower surface of the middle sliding plate (614) are respectively provided with a plurality of buffer gaskets (631).

5. The special production equipment for the special-shaped commutator according to claim 2, wherein: be equipped with in proper order between cope match-plate pattern (602) and pressure head fixed plate (616) and go up mold backing plate (632), go up heat insulating board (633), go up hot plate (634), be equipped with heating pipe (635) on going up hot plate (634), heating pipe (635) pass pressure head fixed plate (616) and extend to in pressure head (617), upward be equipped with spring post (636) on hot plate (634), the lower extreme of spring post (636) passes hot plate (634), pressure head fixed plate (616) extends to pressure head fixed plate (616) downside, be equipped with second spring (637) between the upper end of spring post (636) and cope match-plate pattern (602).

6. The special production equipment for the special-shaped commutator according to claim 1, wherein: the inspection bench (12) is provided with a metal sensor (121) for detecting whether reinforcing rings (94) are installed at two ends of the commutator segment or not, and the inspection bench (12) is also provided with a recovery tank (122); the die feeding station (7) comprises a die feeding frame (70), a die feeding seat (71) is arranged in the die feeding frame (70), a plurality of die feeding grooves (72) for placing the tight ring bushings (4) are arranged on the die feeding seat (71), the die feeding seat (71) is connected with the inspection bench (12) through a transition slideway (73), a transition tray (74) is arranged on the transition slideway (73), a plurality of transition slotted holes (75) for placing the tight ring bushings (4) are arranged on the transition tray (74), the guide plate (2) is placed on the transition tray (74), a clamping strip (21) used for clamping the guide plate (2) on the transition tray (74) is arranged on the outer ring of the lower surface of the guide plate (2), a plurality of guide holes (22) which are respectively matched with the transition slotted holes (75) on the transition tray (74) are arranged on the guide plate (2); a die conveying pressing plate (76) is arranged on the upper side of a die conveying base (71) of the die conveying frame (70), the die conveying pressing plate (76) is connected with a driving cylinder (11), a die conveying push rod (77) is arranged on the lower surface of the die conveying pressing plate (76), a waste removing ejector pin (78) is arranged on the lower end surface of the die conveying push rod (77), and a material receiving groove (79) is arranged on the lower side of the die conveying base (71) of the die conveying frame (70); preheating station (8) is including heating frame (81), be equipped with heating seat (82) on heating frame (81), be equipped with heating slotted hole (83) that a plurality of is used for placing tight circle bush (4) on heating seat (82), heating frame (81) is equipped with heater (84) that are connected with driving actuating cylinder (11) at heating seat (82) upside.

7. The special production equipment for the special-shaped commutator according to claim 1, wherein: the positioning ring (3) comprises a positioning ring (3) body used for hooping the commutator segment, the end parts of the two ends of the positioning ring (3) body are arranged in a staggered mode, the end parts are respectively provided with a spreading handle (32) used for spreading the positioning ring (3) body, and the positioning ring (3) body and the spreading handle (32) are formed by integrally bending and processing steel wires; the tight ring bushing (4) comprises a bushing body (41), a fixing hole (42) for fixing the commutator bar group (9) is formed in the bushing body (41), a clamping ring (43) matched with the product fork (5) is arranged on the outer wall of the tight ring bushing (4), and a placing and limiting step (44) for placing the tight ring bushing (4) is further arranged on the outer wall of the tight ring bushing (4); product fork (5) are including product fork (5) body, the both sides of product fork (5) body are equipped with handle (52), be equipped with a plurality of on product fork (5) body and be used for pressing from both sides the clamp of getting tight circle bush (4) and get groove (53), the width of getting groove (53) and the external diameter phase-match of tight circle bush (4), the front side tip that the groove (53) was got in clamp to product fork (5) body adopts the wedge structure to set up.

8. The special production equipment for the special-shaped commutator according to claim 1, wherein: the burr treatment station (14) comprises a burr rubbing plate (141), the burr rubbing plate (141) is obliquely arranged on the workbench (1), and the front side and the rear side of the burr rubbing plate (141) of the workbench (1) are respectively provided with a waste discharge groove (142).

9. The special production equipment for the special-shaped commutator according to claim 1, wherein: and the workbench (1) is provided with a placing frame (15) for placing a commutator bar group (9) and a commutator finished product at the outer side of the inspection bench (12) and the burr treatment station (14).

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