Pin shaping device of coreless winding coil

By combining the pin correction component and the pressure-down component, the problem of unequal angle settings of the winding coil pins was solved, and the equal angle correspondence between the winding coil pins and the commutator segments was achieved, thus improving welding efficiency and quality.

CN223639139UActive Publication Date: 2025-12-05ZHEJIANG ZHENGDE TECH
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Patent Information

Application Number
CN202423040546.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-12-05
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

How to ensure that the winding coil pins of the coreless motor rotor are set at equal angles so that they correspond one-to-one with the commutator segments on the commutator for welding.

Method used

The pin correction component and the pressing component are used. The pin angle of the winding coil is corrected by the cooperation of the adjusting block of the pin correction component and the inclined part of the cylinder-driven adjusting block, and the pin is pressed down to the positioning position by the pressing plate of the pressing component.

Benefits of technology

The equal-angle setting of the winding coil pins was achieved, ensuring that they were welded one-to-one with the commutator segments on the commutator, thus improving welding efficiency and quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223639139U_ABST
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Abstract

The utility model discloses a coreless winding coil pin shaping device, which comprises a pin correction assembly, the pin correction assembly comprises a support plate, adjusting blocks, a first cylinder and a lifting mechanism for driving the support plate to lift vertically, the support plate is provided with a through hole, the adjusting blocks are distributed on the periphery of the through hole at equal angles, and the first cylinder is arranged on the first cylinder. The group number of the adjusting blocks is matched with the number of pins of the winding coil, inclined plane parts are symmetrically arranged on the sides, close to the through holes, of the adjusting blocks, the first air cylinders correspond to the adjusting blocks in a one-to-one mode, the first air cylinders are used for driving the corresponding adjusting blocks to stretch out and draw back along the centers of the through holes, and the pins of the winding coil are corrected through cooperation of the inclined plane parts of the adjacent adjusting blocks. The pin correction assembly is arranged on the supporting plate so that a plurality of pins of the winding coil can be arranged at equal angles, the supporting plate is further provided with a pressing assembly, the pressing assembly is used for pressing the pins of the winding coil down to set positions, and the pins of the winding coil are shaped through the pin correction assembly and the pressing assembly.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hollow cup motor rotor manufacturing equipment, in particular to a kind of pin shaping device of hollow cup winding coil. BACKGROUND

[0002] The conventional structure of hollow cup motor rotor includes winding coil, rotor shaft and commutator, the commutator is installed on rotor frame, winding coil is sleeved on the outer periphery of commutator, and the multiple pins distributed in the circumferential direction of winding coil are welded together with the multiple commutator segments on commutator in correspondence. Before welding, the pins of winding coil need to be in one-to-one correspondence with the commutator segments on commutator, so how to ensure that the multiple pins of winding coil are set at equal angles is a technical problem to be solved urgently. SUMMARY

[0003] The utility model aims at providing a kind of pin shaping device of hollow cup winding coil, pin correction subassembly and lower pressure subassembly realize the shaping of winding coil pin.

[0004] The above technical purpose of the utility model is realized by the following technical scheme: a kind of pin shaping device of hollow cup winding coil, including pin correction subassembly, pin correction subassembly includes support plate, adjusting block, first air cylinder and the lifting mechanism of driving support plate vertical lifting, support plate is equipped with through-hole, adjusting block is equipped with multiple groups and is distributed at the outer periphery of through-hole at equal angles, the number of adjusting block is matched with the number of the pin of winding coil, the side of adjusting block adjacent to through-hole is equipped with symmetrically arranged inclined surface part, first air cylinder is in one-to-one correspondence with adjusting block, first air cylinder is used to drive corresponding adjusting block to stretch and contract along the center of through-hole, the pin of winding coil is corrected by the inclined surface part cooperation of adjacent adjusting block, so that the multiple pins of winding coil are set at equal angles, lower pressure subassembly is also provided on the support plate, and lower pressure subassembly is used to press the pin of winding coil to set position.

[0005] Further, the adjusting block is provided with three groups and is distributed at the outer periphery of through-hole at equal angles, and the included angle between the two inclined surface parts adjacent to the side of the adjusting block of through-hole is A, wherein 115°≤A≤120°.

[0006] Further, the support plate is provided with a support seat corresponding to the position of through-hole, the support seat is provided with a central passage corresponding to the through-hole, the support seat is provided with a first guide slot corresponding to the three adjusting blocks, and the first guide slot is arranged along the stretching and contracting direction of the adjusting block.

[0007] Further, the lower pressure subassembly includes a lower pressure segment and a second air cylinder, the lower pressure segment is provided with three groups and is arranged at equal angles, the second air cylinder is arranged corresponding to the lower pressure segment, the second air cylinder is used to drive the lower pressure segment to stretch and contract along the center of through-hole, and the three groups of lower pressure segments are circumferentially arranged alternately with the three groups of adjusting blocks.

[0008] Further, the lower pressing piece is connected to the output end of the second cylinder through the connecting blocks, and the supporting seat is provided with second guide grooves corresponding to the three groups of connecting blocks one by one, and the second guide grooves are arranged along the extension and retraction direction of the lower pressing piece.

[0009] Further, the lifting mechanism comprises a mounting frame, a slide rail assembly vertically arranged on the mounting frame and a power unit for driving the slide rail assembly to vertically extend and retract, and the supporting plate is connected to the slide rail assembly.

[0010] Further, the supporting plate is provided with first limiting blocks, and the mounting frame is provided with second limiting blocks, and the first limiting blocks and the second limiting blocks are limited and matched to limit the descending stroke of the supporting plate.

[0011] In summary, the utility model has the following beneficial effects:

[0012] The pin shaping device, the pin correcting assembly and the lower pressing assembly realize shaping of the winding coil pins, specifically, the three groups of first cylinders drive the corresponding adjusting blocks to extend towards the center of the through hole, the adjacent inclined surface parts of the adjacent adjusting blocks are matched to correct the pin angle of the winding coil, so that the three winding coil pins are arranged at equal angles, thereby being able to correspond to the three commutator plates arranged at equal angles on the commutator; after the pin correcting assembly completes the adjustment of the pins, the lower pressing assembly starts to work, the pins of the winding coil are pressed into the groove of the positioning column through the lower pressing piece, so that the three winding coil pins are arranged on the same plane. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the overall structure schematic view of the utility model.

[0014] Figure 2 It is the top view of the utility model.

[0015] Figure 3 It is the mounting structure schematic view of the supporting seat of the utility model.

[0016] Figure 4 It is the Figure 3 enlarged view of A of the utility model.

[0017] Figure 5 It is the structure schematic view of the winding coil of the utility model.

[0018] In the diagram: 10, pin correction assembly; 20, support plate; 21, through hole; 22, support base; 30, adjusting block; 31, inclined surface; 40, first cylinder; 50, lifting mechanism; 51, mounting bracket; 52, slide rail assembly; 53, power unit; 54, first limit block; 55, second limit block; 60, winding coil; 61, pin; 70, pressing assembly; 71, pressing plate; 72, second cylinder; 73, connecting block; 80, positioning post; 81, groove. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] like Figures 1-5 As shown, before the pins 61 of the winding coil 60 are shaped, the winding coil 60 is placed on the outer periphery of the positioning post 80 of the multi-station rotating disk. The upper end surface of the positioning post 80 is provided with multiple grooves 81 with upper openings. The number of grooves 81 matches the number of pins 61 of the winding coil 60 and is evenly distributed at equal angles on the upper end surface of the positioning post 80.

[0021] A pin-shaping device for a hollow cup winding coil includes a pin-correcting assembly 10. The pin-correcting assembly 10 includes a support plate 20, adjusting blocks 30, a first cylinder 40, and a lifting mechanism 50 for vertically raising and lowering the support plate 20. The support plate 20 has through holes 21. Multiple sets of adjusting blocks 30 are distributed at equal angles around the through holes 21. The number of sets of adjusting blocks 30 matches the number of pins 61 of the winding coil 60. The adjusting blocks 30 have symmetrically arranged inclined surfaces 31 on one side adjacent to the through holes 21. The first cylinder 40... 0 corresponds one-to-one with the adjustment block 30. Specifically, the side of the adjustment block 30 away from the through hole 21 is connected to the output end of the first cylinder 40. The first cylinder 40 is used to drive the corresponding adjustment block 30 to extend and retract along the center of the through hole 21. The inclined surface 31 of the adjacent adjustment block 30 is used to correct the pins 61 of the winding coil 60 so that the multiple pins 61 of the winding coil 60 are set at equal angles. The support plate 20 is also provided with a pressing component 70, which is used to press the pins 61 of the winding coil 60 down to the set position.

[0022] In some embodiments, the winding coil 60 has three pins 61, and correspondingly, the positioning post 80 has three grooves 81 on its upper end face. The adjusting block 30 has three sets of grooves 81 that are equally distributed around the through hole 21. The corresponding first cylinder 40 also has three sets and corresponds one-to-one with the adjusting block 30. The included angle between the two inclined surfaces 31 of the adjusting block 30 on the side adjacent to the through hole 21 is A, where 115°≤A≤120°.

[0023] The support plate 20 is provided with a support seat 22 corresponding to the position of the through hole 21, the support seat 22 is fixedly connected to the upper end of the support plate 20, the support seat 22 is provided with a central passage corresponding to the through hole 21, the support seat 22 is provided with a first guide groove corresponding to the three groups of adjusting blocks 30, the first guide groove is arranged along the extension direction of the adjusting block 30, specifically, the adjusting block 30 is partially accommodated in the first guide groove, on the one hand, the first guide groove plays a guiding role, so that the first cylinder 40 drives the adjusting block 30 to extend and retract more smoothly, on the other hand, the first guide groove also plays a limiting role, preventing the adjusting block 30 from swinging left and right when extending and retracting.

[0024] The lower pressing assembly 70 comprises a lower pressing piece 71 and a second cylinder 72, the lower pressing piece 71 is provided with three groups and is arranged at equal angles, the second cylinder 72 is arranged corresponding to the lower pressing piece 71, the second cylinder 72 is used for driving the lower pressing piece 71 to extend and retract along the center of the through hole 21, and the three groups of lower pressing pieces 71 are circumferentially arranged alternately with the three groups of adjusting blocks 30.

[0025] The lower pressing piece 71 is connected to the output end of the second cylinder 72 through a connecting block 73, the support seat 22 is provided with a second guide groove corresponding to the three groups of connecting blocks 73, the second guide groove is arranged along the extension direction of the lower pressing piece 71, specifically, the second guide groove plays a guiding and limiting role on the connecting block 73, so that the second cylinder 72 drives the connecting block 73 and the lower pressing piece 71 to extend and retract more smoothly.

[0026] The lifting mechanism 50 comprises a mounting frame 51, a slide rail assembly 52 vertically arranged on the mounting frame 51 and a power unit 53 for driving the slide rail assembly 52 to vertically extend and retract, and the support plate 20 is connected to the slide rail assembly 52.

[0027] In summary, the utility model has the following beneficial effects:

[0028] The pin shaping device, the pin correcting assembly 10 and the lower pressing assembly 70 realize the shaping of the pin 61 of the winding coil 60, specifically, three groups of the first cylinders 40 drive the corresponding adjusting blocks 30 to extend to the center of the through hole 21, the adjacent inclined surface parts 31 of the adjacent adjusting blocks 30 are matched to correct the angle of the pin 61 of the winding coil 60, so that the three pins 61 of the winding coil 60 are arranged at equal angles, thereby being able to correspond to the three commutator segments arranged at equal angles on the commutator one by one; when the pin correcting assembly 10 completes the adjustment of the pin 61, the lower pressing assembly 70 starts to work, the pin 61 of the winding coil 60 is pressed into the groove 81 of the positioning column through the lower pressing piece 71, so that the three pins 61 of the winding coil 60 are on the same plane.

[0029] The above is only the preferred embodiment of the present application, so equivalent changes or modifications made according to the structure, features and principles described in the patent application range of the present application are included in the patent application range of the present application.

Claims

1. A pin shaping device for a hollow cup winding coil, characterized by: The pin correcting assembly (10) comprises a support plate (20), an adjusting block (30), a first cylinder (40) and a lifting mechanism (50) for vertically lifting the support plate (20), the support plate (20) is provided with a through hole (21), the adjusting block (30) is provided with a plurality of groups and is distributed at equal angles outside the periphery of the through hole (21), the number of groups of the adjusting block (30) matches the number of pins (61) of the winding coil (60), the side of the adjusting block (30) adjacent to the through hole (21) is provided with symmetrically arranged inclined surfaces (31), the first cylinder (40) corresponds to the adjusting block (30) one by one, the first cylinder (40) is used for driving the corresponding adjusting block (30) to stretch and contract along the center of the through hole (21), the inclined surfaces (31) of the adjacent adjusting blocks (30) are matched to correct the pins (61) of the winding coil (60), so that the plurality of pins (61) of the winding coil (60) are arranged at equal angles, and the support plate (20) is further provided with a pressing assembly (70), the pressing assembly (70) is used for pressing the pins (61) of the winding coil (60) to a set position.

2. A pin shaping device for a hollow cup winding coil according to claim 1, characterized in that: The adjusting block (30) is provided with three groups and is distributed at equal angles outside the periphery of the through hole (21), the included angle between the two inclined surfaces (31) of the side of the adjusting block (30) adjacent to the through hole (21) is A, and 115°≤A≤120°.

3. A pin shaping device for a hollow cup winding coil according to claim 2, characterized in that: The support plate (20) is provided with a support seat (22) corresponding to the position of the through hole (21), the support seat (22) is provided with a central channel corresponding to the through hole (21), the support seat (22) is provided with a first guide groove corresponding to the three groups of adjusting blocks (30), and the first guide groove is arranged along the stretching and contracting direction of the adjusting block (30).

4. A pin shaping device for a hollow cup winding coil according to claim 3, characterized in that: The pressing assembly (70) comprises a pressing piece (71) and a second cylinder (72), the pressing piece (71) is provided with three groups and is arranged at equal angles, the second cylinder (72) is arranged corresponding to the pressing piece (71), the second cylinder (72) is used for driving the pressing piece (71) to stretch and contract along the center of the through hole (21), and the three groups of pressing pieces (71) are circumferentially arranged alternately with the three groups of adjusting blocks (30).

5. A pin shaping device for a hollow cup winding coil according to claim 4, characterized in that: The pressing piece (71) is connected to the output end of the second cylinder (72) through a connecting block (73), the support seat (22) is provided with a second guide groove corresponding to the three groups of connecting blocks (73), and the second guide groove is arranged along the stretching and contracting direction of the pressing piece (71).

6. A pin shaping device for a hollow cup winding coil according to any one of claims 1-5, characterized in that: The lifting mechanism (50) comprises a mounting frame (51), a slide rail assembly (52) vertically arranged on the mounting frame (51) and a power unit (53) for vertically stretching and contracting the slide rail assembly (52), and the support plate (20) is connected to the slide rail assembly (52).

7. A pin shaping device for a hollow cup winding coil according to claim 6, characterized in that: The support plate (20) is provided with a first limiting block (54), the mounting frame (51) is provided with a second limiting block (55), and the first limiting block (54) and the second limiting block (55) are limited and matched to limit the descending stroke of the support plate (20).