Automatic copper wire twisting device for stator assembly

Abstract

The utility model provides an automatic copper wire twisting device for a stator assembly. The automatic copper wire twisting device comprises a workbench and a wire twisting device, the wire twisting device comprises a driving mechanism, a head twisting mechanism and a reciprocating fixing mechanism; the driving mechanism comprises a driving circular table and a driving shaft which are rotationally arranged on one side of the workbench; the head twisting mechanism comprises a wire clamping disc and a wire clamping wheel, the wire clamping disc is fixed on the driving shaft through a bolt, the wire clamping wheel is also fixed on the driving circular truncated cone through a bolt, and wire clamping grooves which are oppositely arranged are circumferentially formed in the wire clamping disc and the wire clamping wheel and are matched to form a head twisting working area; and the reciprocating fixing mechanism is used for fixing the stator on the head twisting mechanism. The wire clamping wheel and the wire clamping disc are both mounted on the driving mechanism through bolts, so that the wire clamping wheel and the wire clamping disc can be detached through the bolts, and the sizes of the wire clamping wheel and the wire clamping disc are further changed to adapt to stators with different diameters, so that an operator can conveniently use one device to process stators with different diameters in different batches.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor processing production field especially a kind of stator assembly copper wire automatic wire twisting device. BACKGROUND

[0002] Wire twisting device plays a vital role in the manufacturing process of motor stator, especially in the bending process of coil head in stator coil slot. Wire twisting device can efficiently complete the work of twisting coil head, thereby ensuring the quality and performance of motor stator.

[0003] However, in actual production process, there are often differences in the diameter of twisted head stator of different batches. Most of the existing equipment can usually only process a specific diameter of twisted head stator. This means that when the factory needs to process twisted head stators of multiple diameters, multiple equipment is often required to meet production needs. For small-scale micro enterprises or processing workshops, the purchase and maintenance cost of multiple equipment and the floor area required for placing multiple equipment are a big trouble. SUMMARY

[0004] The present application provides a kind of stator assembly copper wire automatic wire twisting device, with the effect of processing twisted head stator of different diameters.

[0005] The stator assembly copper wire automatic wire twisting device provided by the present application adopts the following technical solution:

[0006] A kind of stator assembly copper wire automatic wire twisting device, including workbench and wire twisting device, the wire twisting device is fixed on workbench;The wire twisting device includes drive mechanism, head twisting mechanism and reciprocating fixing mechanism, the drive mechanism includes the drive round table of rotation setting in one side of workbench and drive shaft, the drive round table center is provided with circular groove, the drive shaft is located in circular groove, the drive round table and drive shaft are coaxial arrangement;The head twisting mechanism includes clamping disc and clamping wheel, the clamping disc is fixed on drive shaft by bolt, the clamping wheel is also fixed on drive round table by bolt, the clamping disc and clamping wheel are provided with the clamping groove of relative setting on circumference, and form head twisting work area in cooperation;The reciprocating fixing mechanism is used for fixing stator on head twisting mechanism.

[0007] Through the above technical solution, since the clamping wheel and clamping disc are installed on the drive mechanism by bolt, they can be disassembled by bolt, and then the size of the clamping wheel and clamping disc is changed to adapt to stators of different diameters, so as to facilitate operators to use one device to process stators of different diameters in different batches.

[0008] Preferably, the driving frustum between the wire-clamping disc and the wire-clamping wheel is provided with a plurality of positioning grooves in the circumferential direction, and the two ends of the plurality of positioning grooves are respectively aligned with the wire-clamping grooves of the wire-clamping wheel and the wire-clamping disc.

[0009] Using the above technical solution, workers can quickly align the replacement wire clamping disc with the wire clamping wheel through the positioning slot, thereby speeding up work efficiency.

[0010] Preferably, the reciprocating fixing mechanism includes several slide rails, a movable seat, and a clamping ring seat; the several slide rails are fixed on the worktable in the front-back direction, the movable seat slides on the slide rails and has a mating groove on its upper part that mates with the working area of ​​the torsion head, one end of the clamping ring seat is inserted into the mating groove, and the other end is folded outward to form a flange, the flange is used to detachably fix the clamping ring seat to the movable seat by bolts, and the clamping ring seat has a through hole in the front-back direction.

[0011] With the above technical solution, the operator can insert the stator into the clamping ring seat, thereby maintaining the stability of the stator during operation. At the same time, since the clamping ring seat is fixed to the moving seat by bolts, different clamping ring seats can be replaced according to the diameter of the stator.

[0012] Preferably, the through hole has a raised rib protruding inward in the inner circumference, the flange has an arc-shaped groove in the inner circumference, and the clamping ring seat is detachably fixed to the movable seat by bolts passing through the arc-shaped groove.

[0013] Through the above technical solution, the protruding strips that circumferentially protrude inwards inside the through hole can play a positioning and guiding role during the assembly process, and at the same time, prevent the middle section of the stator from rotating and causing the head to twist out of place during processing.

[0014] Preferably, the reciprocating fixing mechanism further includes a pressure plate, a sliding pressure seat, and a cylinder. The pressure plate is located between the movable pressure seat and the moving seat. The sliding pressure seat slides on the slide rail. The cylinder is used to drive the sliding pressure seat to reciprocate on the slide rail.

[0015] The above technical solution uses a cylinder to further press and fix the stator during processing via a sliding pressure seat and a pressure plate, thereby further improving the stability of the stator during operation.

[0016] Preferably, a positioning post is fixed to one end of the pressure plate facing the movable pressure seat, and a positioning hole is provided on the movable pressure seat to cooperate with the positioning post.

[0017] With the above technical solution, since the pressure plate is manually pressed against the stator, there may be deviations. Therefore, the cooperation between the positioning column and the positioning hole can help the staff to judge whether the pressure plate is in a deviated state.

[0018] Preferably, the top of the pressure seat is provided with several clearance grooves in the circumferential direction.

[0019] With the above technical solution, there will be wire ends protruding on one side of the stator. The purpose of setting the avoidance groove is to avoid these protruding wire ends on the stator.

[0020] The main technical effects of this utility model are reflected in the following aspects:

[0021] 1. Since both the wire clamping wheel and the wire clamping disc are bolted to the drive mechanism, they can be disassembled using bolts to change their dimensions and accommodate stators of different diameters. This allows operators to use a single machine to process stators of different diameters in different batches.

[0022] 2. This utility model, by setting a movable base and a clamping ring seat that is detachably fixed on the movable base, allows for the replacement of different clamping ring seats according to the diameter of the stator;

[0023] 3. This utility model provides a pressure plate between the movable pressure seat and the moving seat, which facilitates the customization of the pressure plate to match different stators. Attached Figure Description

[0024] Fig. 1 This is a schematic diagram of the overall structure of an embodiment of this application;

[0025] Fig. 2 This is a schematic diagram of the exploded structure of an embodiment of this application.

[0026] Reference numerals: 1. Workbench; 2. Twisting device; 21. Drive mechanism; 211. Drive frustum; 2111. Positioning groove; 212. Drive shaft; 22. Twisting head mechanism; 221. Wire clamping disc; 222. Wire clamping wheel; 223. Wire clamping groove; 23. Reciprocating fixing mechanism; 231. Slide rail; 232. Moving seat; 233. Clamping ring seat; 2331. Flanged edge; 2332. Through hole; 2333. Protrusion; 2334. Arc groove; 234. Pressure plate; 2341. Positioning post; 2342. Clearance groove; 235. Sliding pressure seat; 2351. Positioning hole; 236. Cylinder. Detailed Implementation

[0027] The following is in conjunction with the appendix Figs. 1-2 The specific embodiments of this utility model will be further described in detail to make the technical solution of this utility model easier to understand and master.

[0028] This application discloses an automatic copper wire twisting device for a stator assembly:

[0029] Reference Figs. 1-2An automatic copper wire twisting device 2 for a stator assembly includes a worktable 1 and a twisting device 2, which is fixed on the worktable 1. The twisting device 2 includes a drive mechanism 21, a twisting head mechanism 22, and a reciprocating fixing mechanism 23. The drive mechanism 21 includes a drive frustum 211 rotatably disposed on one side of the worktable 1 and a drive shaft 212. A circular groove is formed at the center of the drive frustum 211, and the drive shaft 212 is located in the circular groove. The drive frustum 211 and the drive shaft 212 are coaxially arranged. The twisting head mechanism 22 includes a wire clamping disc 221 and a wire clamping wheel 222. The wire clamping disc 221 is fixed to the drive shaft 212 by bolts, and the wire clamping wheel 222 is also fixed to the drive frustum 211 by bolts. The wire clamping disc 221 and the wire clamping wheel 222 are circumferentially provided with opposing wire clamping grooves 223, which cooperate to form a twisting working area.

[0030] Before starting work, the operator inserts the stator head into the wire clamping groove 223, and then drives the drive frustum 211 and drive shaft 212 to drive the wire clamping disc 221 and wire clamping wheel 222 to rotate in opposite directions, thereby completing the bending process of the stator head. The reciprocating fixing mechanism 23 is used to fix the stator on the twisting mechanism 22. In actual assembly, the drive shaft 212 can be directly driven by a motor, while the drive frustum 211 can be driven by a gear ring. Multiple sets of gears are provided on the outside of the drive shaft 212 for meshing with the gear ring, so that the rotation direction of the gear ring is opposite to the rotation direction of the drive shaft 212.

[0031] Since both the wire clamping wheel 222 and the wire clamping disc 221 are bolted to the drive mechanism 21, they can be disassembled using bolts to change their dimensions and accommodate stators of different diameters. This allows operators to use one machine to process stators of different diameters in different batches.

[0032] Reference Fig. 2 The driving frustum 211 between the cable clamping disc 221 and the cable clamping wheel 222 has several positioning grooves 2111 circumferentially formed. The two ends of the positioning grooves 2111 are respectively aligned with the cable clamping grooves 223 of the cable clamping wheel 222 and the cable clamping disc 221. Workers can quickly align the replacement cable clamping disc 221 with the cable clamping wheel 222 through the positioning grooves 2111, thereby speeding up work efficiency.

[0033] Reference Fig. 2The reciprocating fixing mechanism 23 includes several slide rails 231, a movable seat 232, and a clamping ring seat 233. The slide rails 231 are fixed to the worktable 1 along the front-to-back direction. The movable seat 232 slides on the slide rails 231 and has a mating groove on its upper part to mate with the working area of ​​the torsion head. One end of the clamping ring seat 233 is inserted into the mating groove, and the other end is folded outward to form a flange 2331. The flange 2331 is used to detachably fix the clamping ring seat 233 to the movable seat 232 with bolts. The clamping ring seat 233 has a through hole 2332 along the front-to-back direction. The operator can insert the stator into the clamping ring seat 233, generally fixing the middle section of the stator in the through hole 2332 of the clamping ring seat 233, thereby maintaining the stability of the stator during operation. Since the clamping ring seat 233 is fixed to the movable seat 232 with bolts, different clamping ring seats 233 can be replaced according to the diameter of the stator. Although the size of the mating groove of the movable seat 232 is limited, which also restricts the clamping ring seat 233, the difference in stator diameter between different batches will not be too large. If it is necessary to process stators with large diameter differences, the movable seat 232 can be easily removed from the slide rail 231.

[0034] The through hole 2332 has a raised rib 2333 protruding inwards circumferentially, and the flange 2331 has an arc-shaped groove 2334 circumferentially formed. The clamping ring seat 233 is detachably fixed to the movable seat 232 by bolts passing through the arc-shaped groove 2334. The raised rib 2333 protruding inwards circumferentially inside the through hole 2332 plays a role in positioning and guiding during assembly, and at the same time, it prevents the head from twisting out of place due to the rotation of the stator middle section during processing. The outer side of the stator middle section is generally also circumferentially formed with a groove, which makes it easier for the raised rib 2333 to guide and limit its movement. Since the included angle between the grooves in the stator middle section of different specifications will be different, the arc-shaped groove 2334 is formed on the flange 2331 to facilitate the operator to rotate the clamping ring seat 233 for engagement.

[0035] Reference Figs. 1-2 The reciprocating fixing mechanism 23 also includes a pressure plate 234, a sliding pressure seat 235, and a cylinder 236. The pressure plate 234 is located between the movable pressure seat and the moving seat 232. The sliding pressure seat 235 slides on the slide rail 231. The cylinder 236 drives the sliding pressure seat 235 to reciprocate on the slide rail 231. The cylinder 236 further presses and fixes the stator during processing via the sliding pressure seat 235 and the pressure plate 234, further improving the stability of the stator during operation. A cylinder 236 slot can be provided on the worktable 1 to hide the cylinder 236, making the worktable 1 cleaner. A limit block can also be set to limit the sliding distance of the sliding pressure seat 235 to prevent damage to the stator.

[0036] A positioning post 2341 is fixed to the end of the pressure plate 234 facing the movable pressure base. The movable pressure base has positioning holes 2351 that mate with the positioning post 2341. Since the pressure plate 234 is manually pressed against the stator, there may be deviations. Therefore, the engagement of the positioning post 2341 with the positioning hole allows workers to easily determine whether the pressure plate 234 is offset. Simultaneously, several clearance grooves 2342 are circumferentially formed on the top of the pressure base. The clearance grooves 2342 are designed to accommodate protruding wire ends on one side of the stator. During installation, workers insert these protruding wire ends into the clearance grooves 2342 to prevent damage. The pressure plate 234 is also designed to be custom-made on-site for different stators, facilitating the creation of clearance grooves 2342 in different positions, ultimately ensuring compatibility with different stators.

[0037] Of course, the above are just typical examples of this utility model. In addition, this utility model may have many other specific implementation methods. All technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of protection claimed by this utility model.

Claims

1. A stator assembly copper wire automatic twisting device, comprising a workbench (1) and a twisting device (2), the twisting device (2) is fixed on the workbench (1); characterized in that, The torsion wire device (2) comprises a driving mechanism (21), a torsion head mechanism (22) and a reciprocating fixing mechanism (23), the driving mechanism (21) comprises a driving disc (211) arranged on one side of the workbench (1) and a driving shaft (212), a circular groove is formed in the center of the driving disc (211), the driving shaft (212) is located in the circular groove, and the driving disc (211) and the driving shaft (212) are coaxially arranged; the torsion head mechanism (22) comprises a wire clamping disc (221) and a wire clamping wheel (222), the wire clamping disc (221) is fixed on the driving shaft (212) through bolts, the wire clamping wheel (222) is also fixed on the driving disc (211) through bolts, wire clamping grooves (223) are formed in the wire clamping disc (221) and the wire clamping wheel (222) in a circumferential direction and are oppositely arranged, and the wire clamping grooves (223) cooperatively form a torsion head working area; and the reciprocating fixing mechanism (23) is used for fixing the stator on the torsion head mechanism (22).

2. The automatic copper wire twisting device for stator assembly according to claim 1, characterized in that, A plurality of positioning grooves (2111) are formed in the driving disc (211) in a circumferential direction between the wire clamping disc (221) and the wire clamping wheel (222), and the two ends of the positioning grooves (2111) are aligned with the wire clamping grooves (223) of the wire clamping wheel (222) and the wire clamping disc (221).

3. The automatic copper wire twisting device for stator assembly according to claim 1, characterized in that, The reciprocating fixing mechanism (23) comprises a plurality of slide rails (231), a moving seat (232) and a clamping ring seat (233), the slide rails (231) are fixed on the workbench (1) in a front-rear direction, the moving seat (232) slides on the slide rails (231) and is provided with a matching groove above the moving seat (232) and matched with the torsion head working area, one end of the clamping ring seat (233) is inserted into the matching groove, the other end is outwardly folded to form a flange (2331), the flange (2331) is used for detachably fixing the clamping ring seat (233) on the moving seat (232) through bolts, and the clamping ring seat (233) is provided with a through hole (2332) in a front-rear direction.

4. The automatic copper wire twisting device for stator assembly according to claim 3, characterized in that, A convex strip (2333) is protruded inwardly in a circumferential direction in the through hole (2332), an arc-shaped groove (2334) is formed in the circumferential direction of the flange (2331), and the clamping ring seat (233) is detachably fixed on the moving seat (232) through bolts passing through the arc-shaped groove (2334).

5. The automatic copper wire twisting device for stator assembly according to claim 3, wherein The reciprocating fixing mechanism (23) further comprises a pressing plate (234), a sliding pressing seat (235) and a gas cylinder (236), the pressing plate (234) is located between the movable pressing seat and the moving seat (232), the sliding pressing seat (235) slides on the slide rails (231), and the gas cylinder (236) is used for driving the sliding pressing seat (235) to reciprocate on the slide rails (231).

6. The automatic copper wire twisting device for stator assembly according to claim 5, characterized in that, A positioning column (2341) is fixed on one end of the pressing plate (234) facing the movable pressing seat, and a positioning hole (2351) matched with the positioning column (2341) is formed in the movable pressing seat.

7. The automatic copper wire twisting device for stator assembly according to claim 5, wherein A plurality of avoiding grooves (2342) are formed in the circumferential direction of the top end of the pressing seat.

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