CN112688506A - Device for manufacturing enameled wire hairpin sample - Google Patents
Device for manufacturing enameled wire hairpin sample Download PDFInfo
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- CN112688506A CN112688506A CN202011617826.4A CN202011617826A CN112688506A CN 112688506 A CN112688506 A CN 112688506A CN 202011617826 A CN202011617826 A CN 202011617826A CN 112688506 A CN112688506 A CN 112688506A
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Abstract
The invention discloses a device for manufacturing an enameled wire hairpin sample, which comprises a base, wherein the upper end of the base is fixedly connected with a support, the upper end of the support is fixedly connected with a top plate, an X-axis lead screw mechanism is arranged inside the top plate, two auxiliary clamping jaws are connected to the X-axis lead screw mechanism, the lower end of the top plate is fixedly connected with a Z-axis lead screw mechanism, a main clamping jaw is connected to the Z-axis lead screw mechanism, and two sides of the surface of the base are respectively provided with a lead limiting component; can realize hairpin coil's automatic preparation, through the cooperation of a main clamping jaw and two auxiliary clamping jaws, can accomplish the preparation of different grade type hairpin coil, need not to make in addition the coil mould, its preparation efficiency that helps improving hairpin coil sample, and effectively reduced the extravagant condition of resource.
Description
Technical Field
The invention relates to the technical field of hairpin coil manufacturing, in particular to a device for manufacturing a hairpin sample of an enameled wire.
Background
The driving motor of the new energy automobile in the modern society is light in weight, high in efficiency and low in cost, so that the driving motor becomes a trend of industry development. In the prior art, hairpin winding motors lead industry trends with their advantages. The hairpin winding motor has the advantages of high slot fullness rate, high efficiency, light weight and lower cost, but the motor has complex process. The coil forming, shaping and bending are complex, the equipment is expensive, more than one hundred million yuan is imported equipment, and domestic equipment starts in millions, so that simple and efficient coil manufacturing equipment and a process method need to be searched, the hairpin forming efficiency and the forming quality of the motor are comprehensively improved, and the production is met.
A stator winding of the hairpin motor adopts a hairpin coil, and a sample needs to be manufactured for testing after the hairpin coil is designed. However, at present, no device specially used for manufacturing the hairpin coil sample is available, and the existing hairpin coil needs to be specially manufactured with a mold for sample manufacturing after the design is completed, so that the problems of long time consumption and resource waste are easily caused.
Disclosure of Invention
The invention aims to provide a device for manufacturing a card-sending sample of an enameled wire, which solves the technical problem.
In order to achieve the purpose, the invention provides the following technical scheme: preparation enameled wire hairpin sample device, the on-line screen storage device comprises a base, the upper end fixedly connected with support of base, the upper end fixedly connected with roof of support, the inside of roof is equipped with X axle screw mechanism, be connected with two auxiliary clamping jaws in the X axle screw mechanism, the lower extreme fixedly connected with Z axle screw mechanism of roof, be connected with main clamping jaw in the Z axle screw mechanism, the surperficial both sides of base all are equipped with the spacing subassembly of a wire.
Preferably, the first X-axis screw rod mechanism comprises a first limiting chute and a first bidirectional screw rod, the first limiting chute is arranged at the bottom end of the top plate, the first bidirectional screw rod is rotatably connected in the first limiting chute, one end of the first bidirectional screw rod is fixedly connected with an output shaft of the first screw rod motor, the first screw rod motor is fixedly connected to the side wall of the top plate, the two bidirectional screw rod is in threaded connection with two nuts, two nuts are in pair, and the lower ends of the nuts are respectively fixedly connected with the tops of the two auxiliary clamping jaws.
Preferably, the first Z-axis screw rod mechanism comprises a second limiting sliding groove and a first screw rod, the second limiting sliding groove is fixedly connected to the lower end of the top plate, the first screw rod is rotatably connected to the second limiting sliding groove, an output shaft of a second screw rod motor is fixedly connected to one end of the first screw rod, the second screw rod motor is fixedly connected to one end of the second limiting sliding groove, a second nut pair is connected to the first screw rod through threads, and the lower end of the second nut pair is fixedly connected with the column clamping claw.
Preferably, the column gripper comprises a rotating part and a gripping part, and the two auxiliary grippers comprise a connecting rod and a gripping part.
Preferably, the rotating part comprises a motor fixing frame, the motor fixing frame is fixedly connected with a nut pair and is rotatably connected to the clamping part, a rotating motor is fixedly connected to the motor fixing frame, and an output shaft of the rotating motor is fixedly connected with the clamping part.
Preferably, the clamping part includes electronic jar, connecting seat and two relative clamp splice that set up, the lower extreme of electronic jar passes through link and connecting seat fixed connection, the output shaft of electronic jar passes through the one end of shaft coupling fixedly connected with slide bar, the other end of slide bar runs through in connecting seat and fixedly connected with connecting piece, the spacing spout of bottom fixedly connected with of connecting seat is three, sliding connection has two spacing sliders, two in three spacing spouts spacing slider is respectively in two clamp splice fixed connection, the both sides of connecting piece are all rotated the one end that is connected with two connecting rods, both sides the other end of connecting rod is rotated respectively and is connected in two clamp splices.
Preferably, the clamping surfaces of the two clamping blocks are fixedly connected with buffering anti-skid cushion layers.
Preferably, the wire limiting assembly comprises a fixing seat, the upper end of the fixing seat is fixedly connected with a fourth limiting sliding groove, the fourth limiting sliding groove is rotatably connected with a second screw rod, the lower end of the side wall of the fourth limiting sliding groove is rotatably connected with a third limiting roller wheel, the second screw rod is in threaded connection with a third nut seat, the third nut seat is slidably connected into the fourth limiting sliding groove, one side of the third nut seat is rotatably connected with a third limiting roller wheel, and the upper end of the second screw rod is fixedly connected with a knob and the two limiting roller wheels are oppositely arranged.
Preferably, the spacing running roller includes the deflector roll, the fixed limit stop of one end fixedly connected with of deflector roll, the reciprocating type screw rod of the other end fixedly connected with of deflector roll, threaded connection has activity limit stop and fastening nut on the reciprocating type screw rod, fastening nut is located the outside of activity limit stop.
Preferably, the method for manufacturing the enameled wire hairpin sample device specifically comprises the following operation methods:
placing a lead between clamping blocks of two auxiliary clamping jaws, starting an electric cylinder of the auxiliary clamping jaws, driving an output shaft of the electric cylinder to drive a connecting piece to move through a sliding rod, driving the two clamping blocks to be folded along a limiting sliding groove in three directions through connecting rods on two sides by the connecting piece, and clamping the lead by the two clamping blocks;
secondly, adjusting the width of a limiting roller of the wire limiting assemblies at two sides, placing a wire at one side of a fixed limiting stop block during operation, screwing a movable limiting stop block to one side of the wire, and screwing a fastening nut to the outer side of the movable limiting stop block to lock the movable limiting stop block; and the wire is placed on the limiting roller below the wire limiting assemblies on the two sides, the knob is screwed, and the knob drives the limiting roller above to descend to the upper part of the wire through the second lead screw so as to limit the wire.
Adjusting the distance between the two auxiliary clamping jaws according to the width requirement of the coil hairpin, starting a first lead screw motor during adjustment, driving a bidirectional lead screw to rotate by the first lead screw motor, and driving the auxiliary clamping jaws to move to an appointed position by the bidirectional lead screw through two nut pairs;
the main clamping jaw clamps the conducting wire, an output shaft of an electric cylinder clamping the main clamping jaw drives a connecting piece to move through a sliding rod, the connecting piece drives two clamping blocks to fold along the limiting sliding groove in three directions through connecting rods on two sides, and the two clamping blocks clamp the conducting wire;
and step five, starting a second lead screw motor according to the coil card distributing structure, driving a first lead screw to rotate by an output shaft of the second lead screw motor, driving a main clamping jaw to move to an appointed position by a second nut pair of the first lead screw, and then starting a rotating motor, driving a clamping part to rotate to an appointed angle by an output shaft of the rotating motor, so as to bend the lead.
And step six, after the coil hairpin is manufactured, cutting off one end of the lead and taking down the coil hairpin.
Compared with the prior art, the invention has the beneficial effects that:
1) this preparation enameled wire hairpin sample device can realize the automatic preparation of hairpin coil, through the cooperation of a main clamping jaw and two auxiliary clamping jaws, can accomplish the preparation of different grade type hairpin coil, need not to make in addition the coil mould, and its preparation efficiency that helps improving hairpin coil sample has just effectively reduced the condition of wasting of resources.
2) According to the device for manufacturing the enameled wire hairpin sample, the conducting wire can be positioned when the clamping jaw operates the conducting wire by arranging the conducting wire limiting assembly, so that the problem that the conducting wire falls off or deviates in the releasing process of the clamping jaw is avoided; meanwhile, the wire limiting assembly can be used for positioning wires of different specifications, and is wide in application range and strong in practicability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partially enlarged view of part A of FIG. 1;
FIG. 3 is a partially enlarged view of the portion B of FIG. 1;
in the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a base 1, a support 2, a top plate 3, a first 4 limit sliding grooves, a first 5 two-way screw rod, a first 6 screw rod motor, a first 7 nut pair, a second 8 limit sliding groove, a first 9 screw rod, a second 10 nut pair, a connecting rod 11, a motor fixing frame 12, a rotating motor 13, an electric 14 cylinder, a connecting seat 15, a clamping block 16, a connecting frame 17, a sliding rod 18, a connecting piece 19, a third 20 limit sliding groove, a limit sliding block 21, a connecting rod 22, a buffer anti-skid cushion layer 23, a fixed seat 24, a fourth 25 limit sliding groove, a second 26 screw rod, a third 27 nut seat, a guide roller 28, a fixed limit stop 29, a reciprocating screw rod 30, a movable limit stop 31.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 to 3, the present invention provides the following technical solutions:
example one
Preparation enameled wire hairpin sample device, including base 1, base 1's upper end fixedly connected with support 2, support 2's upper end fixedly connected with roof 3, roof 3's inside is equipped with X axle screw a mechanism, is connected with two supplementary clamping jaws in the X axle screw a mechanism, and roof 3's lower extreme fixedly connected with Z axle screw a mechanism is connected with main clamping jaw in the Z axle screw a mechanism, and base 1's surperficial both sides all are equipped with the spacing subassembly of a wire.
The X-axis screw rod I mechanism comprises a first limiting chute 4 and a bidirectional screw rod 5, the first limiting chute 4 is formed in the bottom end of the top plate 3, the bidirectional screw rod 5 is rotatably connected in the first limiting chute 4, one end of the bidirectional screw rod 5 is fixedly connected with an output shaft of a first screw rod motor 6, the first screw rod motor 6 is fixedly connected to the side wall of the top plate 3, two first nut pairs 7 are in threaded connection with the bidirectional screw rod 5, and the lower ends of the first nut pairs 7 are respectively fixedly connected with the tops of the two auxiliary clamping jaws; the Z-axis screw rod I mechanism comprises a second limiting chute 8 and a first screw rod 9, the second limiting chute 8 is fixedly connected to the lower end of the top plate 3, the first screw rod 9 is rotatably connected into the second limiting chute 8, one end of the first screw rod 9 is fixedly connected with an output shaft of a second screw rod motor, the screw rod motor is fixedly connected to one end of the second limiting chute 8, the first screw rod 9 is in threaded connection with a second nut pair 10, and the lower end of the second nut pair 10 is fixedly connected with the column clamping claw; the column clamping jaw comprises a rotating part and a clamping part, and the two auxiliary clamping jaws comprise a connecting rod 11 and a clamping part; the rotating part comprises a motor fixing frame 12, the motor fixing frame 12 is fixedly connected with a second nut pair 10 and is rotatably connected with the clamping part, a rotating motor 13 is fixedly connected in the motor fixing frame 12, and an output shaft of the rotating motor 13 is fixedly connected with the clamping part; the clamping part comprises an electric cylinder 14, a connecting seat 15 and two oppositely arranged clamping blocks 16, the lower end of the electric cylinder 14 is fixedly connected with the connecting seat 15 through a connecting frame 17, the output shaft of the electric cylinder 14 is fixedly connected with one end of a slide rod 18 through a coupler, the other end of the slide rod 18 penetrates through the connecting seat 15 and is fixedly connected with a connecting piece 19, the bottom end of the connecting seat 15 is fixedly connected with a third limiting slide groove 20, two limiting slide blocks 21 are slidably connected in the third limiting slide groove 20, the two limiting slide blocks 21 are respectively and fixedly connected with the two clamping blocks 16, one ends of two connecting rods 22 are respectively and rotatably connected to two sides of the connecting piece 19, and the other ends of the connecting rods 22 on; the clamping surfaces of the two clamping blocks 16 are fixedly connected with buffering anti-skid cushion layers 23; can realize hairpin coil's automatic preparation, through the cooperation of a main clamping jaw and two auxiliary clamping jaws, can accomplish the preparation of different grade type hairpin coil, need not to make in addition the coil mould, its preparation efficiency that helps improving hairpin coil sample, and effectively reduced the extravagant condition of resource.
The wire limiting assembly comprises a fixing seat 24, the upper end of the fixing seat 24 is fixedly connected with a limiting sliding groove four 25, the limiting sliding groove four 25 is rotatably connected with a screw rod two 26, the lower end of the side wall of the limiting sliding groove four 25 is rotatably connected with a limiting roller, a nut seat three 27 is in threaded connection with the screw rod two 26, the nut seat three 27 is in sliding connection with the limiting sliding groove four 25, one side of the nut seat three 27 is rotatably connected with a limiting roller, the upper end of the screw rod two 26 is fixedly connected with a knob 33, and the two limiting rollers are arranged oppositely; the limiting roller comprises a guide roller 28, one end of the guide roller 28 is fixedly connected with a fixed limiting stop 29, the other end of the guide roller 28 is fixedly connected with a reciprocating screw 30, the reciprocating screw 30 is in threaded connection with a movable limiting stop 31 and a fastening nut 32, and the fastening nut 32 is positioned on the outer side of the movable limiting stop 31; by arranging the lead limiting assembly, the lead can be positioned when the clamping jaw operates the lead, so that the problem that the lead falls off or deviates in the releasing process of the clamping jaw is avoided; meanwhile, the wire limiting assembly can be used for positioning wires of different specifications, and is wide in application range and strong in practicability.
Example two
The device for manufacturing the enameled wire hairpin sample specifically comprises the following operation methods:
step one, a conducting wire is placed between clamping blocks 16 of two auxiliary clamping jaws, an electric cylinder 14 of the auxiliary clamping jaws is started, an output shaft of the electric cylinder 14 drives a connecting piece 19 to move through a sliding rod 18, the connecting piece 19 drives the two clamping blocks 16 to fold along the direction of a limiting sliding groove three 20 through connecting rods 22 on two sides, and the conducting wire is clamped by the two clamping blocks 16;
secondly, adjusting the width of a limiting roller of the lead limiting assemblies at two sides, placing a lead on one side of a fixed limiting stop 29 during operation, screwing a movable limiting stop 31 to one side of the lead, and screwing a fastening nut 32 to the outer side of the movable limiting stop 31 to lock the movable limiting stop 31; and the wire is placed on the limiting roller below the wire limiting assemblies on the two sides, the knob 33 is screwed, and the knob 33 drives the limiting roller above to descend to the upper part of the wire through the second lead screw 26 to limit the wire.
Adjusting the distance between the two auxiliary clamping jaws according to the width requirement of the coil hairpin, starting a first lead screw motor 6 during adjustment, driving a bidirectional lead screw 5 to rotate by the first lead screw motor 6, and driving the auxiliary clamping jaws to move to an appointed position by the bidirectional lead screw 5 through a first two nut pairs 7;
step four, the main clamping jaw clamps the conducting wire, an output shaft of the clamping main clamping jaw electric cylinder 14 drives a connecting piece 19 to move through a sliding rod 18, the connecting piece 19 drives two clamping blocks 16 to fold along the third 20 direction of the limiting sliding groove through connecting rods 22 on two sides, and the two clamping blocks 16 clamp the conducting wire;
and step five, according to the coil hairpin structure, starting a screw rod motor II, driving a screw rod I9 to rotate by an output shaft of the screw rod motor II, driving a main clamping jaw to move to a specified position by a nut pair II 10 of the screw rod I9, starting a rotating motor 13, and driving a clamping part to rotate to a specified angle by an output shaft of the rotating motor 13 to bend the lead.
And step six, after the coil hairpin is manufactured, cutting off one end of the lead and taking down the coil hairpin.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. Preparation enameled wire hairpin sample device, including base (1), its characterized in that, upper end fixedly connected with support (2) of base (1), upper end fixedly connected with roof (3) of support (2), the inside of roof (3) is equipped with X axle lead screw mechanism, be connected with two auxiliary clamping jaws in the X axle lead screw mechanism, lower extreme fixedly connected with Z axle lead screw mechanism of roof (3), be connected with main clamping jaw in the Z axle lead screw mechanism, the surperficial both sides of base (1) all are equipped with the spacing subassembly of a wire.
2. The device for manufacturing the enameled wire hairpin sample according to claim 1, wherein the X-axis lead screw mechanism includes a first limit chute (4) and a two-way lead screw (5), the first limit chute (4) is opened at the bottom end of the top plate (3), the two-way lead screw (5) is rotatably connected in the first limit chute (4), one end of the two-way lead screw (5) is fixedly connected with an output shaft of a first lead screw motor (6), the first lead screw motor (6) is fixedly connected to the side wall of the top plate (3), two first nut pairs (7) are screwed on the two-way lead screw (5), and the lower ends of the two first nut pairs (7) are respectively fixedly connected with the tops of the two auxiliary clamping jaws.
3. The device for manufacturing the enameled wire hairpin sample according to claim 1, wherein the first Z-axis lead screw mechanism includes a second limit chute (8) and a first lead screw (9), the second limit chute (8) is fixedly connected to the lower end of the top plate (3), the first lead screw (9) is rotatably connected in the second limit chute (8), one end of the first lead screw (9) is fixedly connected with an output shaft of a second lead screw motor, the second lead screw motor is fixedly connected to one end of the second limit chute (8), a second nut pair (10) is in threaded connection with the first lead screw (9), and the lower end of the second nut pair (10) is fixedly connected with the column clamp.
4. The apparatus for manufacturing enameled wire hairpin samples according to claim 1, characterized in that the column clamp jaws include a rotating portion and a clamping portion, and the two auxiliary clamp jaws include a connecting rod (11) and a clamping portion.
5. The device for manufacturing the enameled wire hairpin sample according to claim 4, characterized in that the rotating portion includes a motor fixing frame (12), the motor fixing frame (12) is fixedly connected with a second nut pair (10) and rotatably connected to the clamping portion, a rotating motor (13) is fixedly connected in the motor fixing frame (12), and an output shaft of the rotating motor (13) is fixedly connected to the clamping portion.
6. The device for manufacturing the enameled wire hair-clip sample according to claim 4, characterized in that the clamping portion comprises an electric cylinder (14), a connecting seat (15) and two oppositely arranged clamping blocks (16), the lower end of the electric cylinder (14) is fixedly connected with the connecting seat (15) through a connecting frame (17), the output shaft of the electric cylinder (14) is fixedly connected with one end of a sliding rod (18) through a coupler, the other end of the sliding rod (18) penetrates through the connecting seat (15) and is fixedly connected with a connecting piece (19), the bottom end of the connecting seat (15) is fixedly connected with a third limiting sliding groove (20), the third limiting sliding groove (20) is internally and slidably connected with two limiting sliding blocks (21), the two limiting sliding blocks (21) are respectively and fixedly connected with the two clamping blocks (16), and one end of two connecting rods (22) is rotatably connected with the two sides of the connecting piece (19), the other ends of the connecting rods (22) on the two sides are respectively connected with the two clamping blocks (16) in a rotating way.
7. The device for manufacturing the enameled wire hair clip sample according to claim 6, characterized in that the clamping surfaces of the two clamping blocks (16) are fixedly connected with anti-slip buffer layers (23).
8. The device for manufacturing the enameled wire hair clip sample according to claim 1, wherein the wire limiting assembly comprises a fixed seat (24), a fourth limiting sliding groove (25) is fixedly connected to the upper end of the fixed seat (24), a second lead screw (26) is rotatably connected to the fourth limiting sliding groove (25), a limiting roller is rotatably connected to the lower end of the side wall of the fourth limiting sliding groove (25), a third nut seat (27) is connected to the second lead screw (26) in a threaded manner, the third nut seat (27) is slidably connected to the fourth limiting sliding groove (25), a limiting roller is rotatably connected to one side of the third nut seat (27), a knob (33) is fixedly connected to the upper end of the second lead screw (26), and the two limiting rollers are oppositely arranged.
9. The device for manufacturing the enameled wire hair clip sample according to claim 1, wherein the limiting roller comprises a guide roller (28), one end of the guide roller (28) is fixedly connected with a fixed limiting stopper (29), the other end of the guide roller (28) is fixedly connected with a reciprocating screw (30), the reciprocating screw (30) is in threaded connection with a movable limiting stopper (31) and a fastening nut (32), and the fastening nut (32) is located at the outer side of the movable limiting stopper (31).
10. The device for manufacturing the enameled wire hairpin sample according to any one of claims 1 to 9, characterized by comprising the following operation methods:
placing a conducting wire between clamping blocks (16) of two auxiliary clamping jaws, starting an electric cylinder (14) of the auxiliary clamping jaw, driving a connecting piece (19) to move by an output shaft of the electric cylinder (14) through a sliding rod (18), driving the two clamping blocks (16) to fold along the direction of a limiting sliding groove (20) by the connecting piece (19) through connecting rods (22) on two sides, and clamping the conducting wire by the two clamping blocks (16);
secondly, adjusting the width of a limiting roller of the lead limiting assemblies at two sides, placing a lead on one side of a fixed limiting stop (29) during operation, screwing a movable limiting stop (31) to one side of the lead, and screwing a fastening nut (32) to the outer side of the movable limiting stop (31) to lock the movable limiting stop (31); and the wire is placed on the limiting roller below the wire limiting assemblies at two sides, the knob (33) is screwed, and the knob (33) drives the limiting roller above to descend to the upper part of the wire through the second lead screw (26) to limit the wire.
Adjusting the distance between the two auxiliary clamping jaws according to the width requirement of the coil hairpin, starting a first lead screw motor (6) during adjustment, driving a bidirectional lead screw (5) to rotate by the first lead screw motor (6), and driving the auxiliary clamping jaws to move to an appointed position by the bidirectional lead screw (5) through a first nut pair (7);
clamping the lead by the main clamping jaw, driving a connecting piece (19) to move by an output shaft of an electric cylinder (14) for clamping the main clamping jaw through a sliding rod (18), driving two clamping blocks (16) to be folded along a third limiting sliding groove (20) by the connecting piece (19) through connecting rods (22) on two sides, and clamping the lead by the two clamping blocks (16);
and step five, according to the coil hairpin structure, starting a screw rod motor II, driving a screw rod I (9) to rotate by an output shaft of the screw rod motor II, driving a main clamping jaw to move to a specified position by a nut pair II (10) of the screw rod I (9), starting a rotating motor (13), and driving a clamping part to rotate to a specified angle by an output shaft of the rotating motor (13) to bend the lead.
And step six, after the coil hairpin is manufactured, cutting off one end of the lead and taking down the coil hairpin.
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| CN109500669A (en) * | 2018-12-10 | 2019-03-22 | 皖西学院 | A kind of fixed grinding device of adjustable bearing processing |
| CN110534337A (en) * | 2019-08-15 | 2019-12-03 | 浙江田中精机股份有限公司 | A kind of winding mechanism for winding Alpha's coil |
| CN211990427U (en) * | 2020-03-24 | 2020-11-24 | 上海华太信息技术有限公司 | Hairpin forming die assembly |
| CN211606349U (en) * | 2020-03-27 | 2020-09-29 | 上海华太信息技术有限公司 | Stator coil's processing station |
| CN111509925A (en) * | 2020-04-14 | 2020-08-07 | 安徽巨一科技股份有限公司 | Flat wire motor stator plane hairpin forming device |
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