Winding former

Abstract

The utility model relates to the technical field of motor coil winding, and discloses a winding former which comprises two vertical clamping plates, an upper half winding module and a lower half winding module, the upper half winding module and the lower half winding module are fixed between the two vertical clamping plates, and the upper half winding module and the lower half winding module are arranged in a vertically symmetrical mode. The upper half parts of the two vertical clamping plates are both provided with a plurality of groups of upper threaded holes which are distributed at equal intervals from bottom to top, and the upper half winding module is installed on the appropriate upper threaded holes through screws; the lower half portions of the two vertical clamping plates are each provided with a plurality of sets of lower threaded holes distributed at equal intervals from bottom to top, the lower half winding module is installed on the appropriate lower threaded holes through screws, the positions of the upper half winding module and the lower half winding module are accurately adjusted through the preset upper threaded holes and the preset lower threaded holes, the adjusting process is simplified, and the adjusting efficiency is improved. The locking mode that the screws are matched with the upper threaded holes and the lower threaded holes is more reliable, the slippage phenomenon caused by weight increase is avoided, and the stability in the winding process is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of motor coil winding, and particularly relates to a winding die. Background Art

[0002] When manufacturing the stator of a motor, it is necessary to wind the enameled wire into a shape according to a set winding die and embed it into the stator core. Since the traditional winding die cannot adjust the distance, one winding die can only correspond to the production of motors with a stator core of one length. For example, using the same type of punching sheet, the lengths of the stator cores are 50mm, 100mm, 150mm, 200mm, and 250mm, so each specification of the stator core needs to be equipped with a corresponding winding die, that is, 5 winding dies. Configuring so many winding dies in the production workshop will not only increase the manufacturing cost but also occupy more space.

[0003] Although the existing winding die has the function of adjusting the distance and changing the position, which makes the distance between the upper winding module and the lower winding module change. Specifically, the upper winding module and the lower winding module move along the guiding of the kidney-shaped hole. After moving to the set position, the upper winding module and the lower winding module are locked again. This way of adjusting the distance requires the staff to hold a measuring ruler in one hand and adjust the position of the upper winding module or the lower winding module with the other hand. The operation is very troublesome and prone to position errors, thus affecting the winding effect and the performance of the motor. In addition, the winding die with this structure is locked only by the friction of the nut. As the upper winding module and the lower winding module of the winding die become heavier when winding the enameled wire, there is a risk that the locking ability of the upper winding module and the lower winding module is insufficient and slips, affecting the normal winding.

[0004] It can be seen that the existing technology still needs to be improved. Summary of the Utility Model

[0005] In view of the above deficiencies of the existing technology, the purpose of the utility model is to provide a winding die, aiming to reduce the difficulty of adjusting the position of the upper winding module and the lower winding module and improve the position accuracy.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A winding die includes two vertical clamping plates, an upper half winding module and a lower half winding module fixed between the two vertical clamping plates. The upper half winding module and the lower half winding module are arranged symmetrically up and down. A coaxial perforation is provided at the center of the two vertical clamping plates; multiple groups of upper threaded holes arranged equidistantly from bottom to top are provided in the upper half of the two vertical clamping plates, and the upper half winding module is installed onto a suitable upper threaded hole by screws; multiple groups of lower threaded holes arranged equidistantly from bottom to top are provided in the lower half of the two vertical clamping plates, and the lower half winding module is installed onto a suitable lower threaded hole by screws. The upper threaded holes and the lower threaded holes are arranged symmetrically up and down.

[0008] As a further improvement of the above technical solution, the height difference between adjacent two groups of upper threaded holes is 25 mm, and the height difference between adjacent two groups of lower threaded holes is 25 mm.

[0009] As a further improvement of the above technical solution, side notches are provided on the vertical clamping plates between adjacent two groups of upper threaded holes; side notches are provided on the vertical clamping plates between adjacent two groups of lower threaded holes.

[0010] As a further improvement of the above technical solution, the upper half winding module includes an arc-shaped upper core plate and two upper mounting plates integrally provided at both ends of the arc-shaped upper core plate respectively; four upper mounting holes adapted to two groups of upper threaded holes are provided at the corners of the upper mounting plate; the lower half winding module includes an arc-shaped lower core plate and two lower mounting plates integrally provided at both ends of the arc-shaped lower core plate respectively; four lower mounting holes adapted to two groups of lower threaded holes are provided at the corners of the lower mounting plate.

[0011] As a further improvement of the above technical solution, the arc-shaped upper core plate bulges upward to form a plurality of first winding grooves extending front and back, and there is a first aisle connecting between adjacent two first winding grooves; the arc-shaped lower core plate bulges downward to form a plurality of second winding grooves extending front and back, and there is a second aisle connecting between adjacent two second winding grooves.

[0012] As a further improvement of the above technical solution, the number of both the first winding grooves and the second winding grooves is 16.

[0013] As a further improvement of the above technical solution, weight-reducing grooves are provided on the inner end faces of the arc-shaped upper core plate and the arc-shaped lower core plate.

[0014] As a further improvement of the above technical solution, the two vertical clamping plates are strengthened and connected by two upper and lower support rods, and the two support rods are located between the upper half winding module and the lower half winding module.

[0015] The upper half winding module includes an arc-shaped upper core plate and two upper mounting plates integrally provided at both ends of the arc-shaped upper core plate respectively; two upper mounting holes adapted to a set of upper threaded holes are provided on the upper mounting plate; the lower half winding module includes an arc-shaped lower core plate and two lower mounting plates integrally provided at both ends of the arc-shaped lower core plate respectively; two lower mounting holes adapted to a set of lower threaded holes are provided on the lower mounting plate.

[0016] As a further improvement of the above technical solution, the support rod includes a main rod body and threaded ends provided at both ends of the main rod body and capable of passing through the vertical clamping plates. The threaded ends are matched with nuts, and the two vertical clamping plates jointly clamp the main rod body.

[0017] The beneficial effects of the present utility model: Compared with the traditional winding die, the winding die provided by the present utility model has the following advantages:

[0018] 1. By precisely adjusting the positions of the upper half winding module and the lower half winding module through the preset upper threaded holes and lower threaded holes, the adjustment process is simplified, the operation difficulty is reduced, the adjustment is made more convenient and rapid, and the subsequent winding quality is ensured.

[0019] 2. The locking method of fixing the upper half winding module and the lower half winding module by matching the screws with the upper threaded holes and the lower threaded holes is more reliable, avoiding the slipping phenomenon caused by the increase in weight and ensuring the stability during the winding process. Description of the Drawings

[0020] Figure 1 The assembly drawing of the winding die when arranging the winding die to wind the largest coil.

[0021] Figure 2 The assembly drawing of the winding die when arranging the winding die to wind the smallest coil.

[0022] Figure 3 The schematic diagram of the counting winding driving device driving the winding die to rotate.

[0023] Figure 4 The three-dimensional view of the upper half winding module.

[0024] Explanation of the main component symbols: 1 - vertical clamping plate, 10 - perforation, 11 - upper threaded hole, 12 - lower threaded hole, 13 - side notch, 2 - upper half winding module, 21 - arc-shaped upper core plate, 22 - upper mounting plate, 23 - upper mounting hole, 24 - first winding groove, 25 - first aisle, 3 - lower half winding module, 31 - arc-shaped lower core plate, 32 - lower mounting plate, 33 - lower mounting hole, 34 - weight reduction groove, 41 - support rod, 42 - nut, 5 - counting winding driving device, 6 - screw. Detailed Description of the Invention

[0025] The present utility model provides a winding die. To make the objectives, technical solutions and effects of the present utility model clearer and more definite, the following further describes the present utility model in detail with reference to the accompanying drawings and by way of examples. It should be understood that the specific examples described herein are only used to explain the present utility model and are not used to limit the protection scope of the present utility model.

[0026] Please refer to Figures 1 - 4 , the present utility model provides a winding die, which includes two vertical clamping plates 1, an upper half winding module 2 and a lower half winding module 3 fixed between the two vertical clamping plates 1. The upper half winding module 2 and the lower half winding module 3 are arranged symmetrically up and down. A coaxial through hole 10 is provided at the center of the two vertical clamping plates 1; it can be understood that the structures of the upper half winding module 2 and the lower half winding module 3 are the same, and the difference lies in the installation positions and orientations. The winding die needs to be installed on a counting winding driving device 5 for work. After the rotating shaft of the counting winding driving device 5 passes through the two through holes 10, the axial position of the winding die is locked through a sleeve.

[0027] Since the length of the stator core is known, and the lengths of different specifications of stator cores are generally designed to increase in equal increments, so upper halves of the two vertical clamping plates 1 are each provided with multiple groups of upper threaded holes 11 arranged equidistantly from bottom to top. Each group of upper threaded holes 11 can be understood as two upper threaded holes 11 arranged front and back. The upper half winding module 2 is installed on the appropriate upper threaded holes 11 through screws 6; lower halves of the two vertical clamping plates 1 are each provided with multiple groups of lower threaded holes 12 arranged equidistantly from bottom to top. Each group of lower threaded holes 12 can be understood as two lower threaded holes 12 arranged front and back. The lower half winding module 3 is installed on the appropriate lower threaded holes 12 through screws 6. The upper threaded holes 11 and the lower threaded holes 12 are arranged symmetrically up and down. Since preset threaded holes are used for positioning, the position errors that may be introduced by manual adjustment are avoided, the positioning accuracy of the winding die is improved, and thus the winding quality is ensured, and the performance stability of the motor is enhanced. The upper half winding module 2 and the lower half winding module 3 can be quickly adjusted according to the lengths of different stator cores, realizing that one winding die can be applicable to stator cores of multiple specifications, greatly improving the flexibility and adaptability of the winding die.

[0028] Compared with the traditional winding die, the winding die provided by the present utility model has the following advantages: 1. The positions of the upper half winding module 2 and the lower half winding module 3 can be accurately adjusted through the preset upper threaded holes 11 and lower threaded holes 12, simplifying the adjustment process, reducing the operation difficulty, making the adjustment more convenient and fast, and ensuring the subsequent winding quality. 2. The locking method of fixing the upper half winding module 2 and the lower half winding module 3 by matching the screws with the upper threaded holes 11 and the lower threaded holes 12 is more reliable, avoiding the slipping phenomenon caused by the increase in weight and ensuring the stability during the winding process.

[0029] In one embodiment, the height difference between two adjacent groups of upper threaded holes 11 is 25 mm, and the height difference between two adjacent groups of lower threaded holes 12 is 25 mm. The height difference of 25 mm provides a standardized adjustment step for the winding die, and the adjustment step of 25 mm can just cover the five specifications of stator core lengths of 50 mm, 100 mm, 150 mm, 200 mm and 250 mm, so that a single winding die can adapt to all standard lengths of stator cores, and the production of products of different specifications can be completed without changing the winding die.

[0030] See also Figure 1 When a coil adapted to a stator core length of 250 mm is to be wound, the upper winding module 2 is installed on the highest upper threaded hole 11 , and the lower winding module 3 is installed on the lowest lower threaded hole 12 .

[0031] See also Figure 2 When a coil adapted to a stator core length of 50 mm is to be wound, the upper winding module 2 is installed on the lowest upper threaded hole 11 , and the lower winding module 3 is installed on the highest lower threaded hole 12 .

[0032] Of course, the height difference is not limited to 25 mm, and the height difference between two adjacent groups of upper threaded holes 11 and the height difference between two adjacent groups of lower threaded holes 12 can be preset according to actual needs.

[0033] Preferably, the vertical clamping plate 1 is provided with a side notch 13 between two adjacent groups of upper threaded holes 11; the vertical clamping plate 1 is provided with a side notch 13 between two adjacent groups of lower threaded holes 12, so that the vertical clamping plate 1 becomes a fishbone shape. The design of the side notch 13 can reduce the weight of the vertical clamping plate 1 on the one hand, and on the other hand, can more prominently mark the positions of the two adjacent groups of upper threaded holes 11 and the two adjacent groups of lower threaded holes 12, clarify the size of the distance adjustment, and facilitate the staff to adjust the upper half winding module 2 and the lower half winding module 3 more clearly.

[0034] Specifically, the upper winding module 2 includes an arc-shaped upper core plate 21, and two upper mounting plates 22 that are integrally arranged at both ends of the arc-shaped upper core plate 21; four upper mounting holes 23 that match the two groups of upper threaded holes 11 are opened at the corners of the upper mounting plate 22; four mounting holes are arranged on the upper mounting plate 22 of the upper winding module 2, thereby forming four mounting points, which can provide a more uniform force distribution compared to the design with only two mounting points, ensuring that the upper winding module 2 is more secure after installation, and is not prone to displacement or shaking, thereby improving the overall stability of the winding mold. Even during high-speed winding, deformation or displacement will not easily occur, ensuring the quality and accuracy of winding.

[0035] Similarly, the lower winding module 3 includes an arc-shaped lower core plate 31 and two lower mounting plates 32 integrally provided at both ends of the arc-shaped lower core plate 31 respectively; four lower mounting holes 33 adapted to the two groups of lower threaded holes 12 are provided at the corners of the lower mounting plate 32.

[0036] The arc-shaped upper core plate 21 bulges upward to form a plurality of first winding grooves 24 extending in the front and rear directions, and a first aisle 25 is communicated between two adjacent first winding grooves 24; the arc-shaped lower core plate 31 bulges downward to form a plurality of second winding grooves extending in the front and rear directions, and a second aisle is communicated between two adjacent second winding grooves. Before winding, an enameled wire with a length of about 250 mm is reserved as the lead wire, and then all the wires are arranged neatly and placed into the first first winding groove 24 of the winding die and the second winding groove corresponding to the first winding groove 24, and then the winding driving device 5 drives the winding die to flip to realize winding. After the machine stops, the enameled wire is placed along the position of the aisle and then placed into the second first winding groove 24 and the second winding groove corresponding to the first winding groove 24, and the winding of other grooves is completed by the same method.

[0037] Since the winding grooves in this embodiment are mainly provided for a three-phase motor with 48 slots and 8 poles, the number of the first winding grooves 24 and the second winding grooves is 16 each.

[0038] Preferably, weight-reducing grooves 34 are provided on the inner end faces of the arc-shaped upper core plate 21 and the arc-shaped lower core plate 31. The design of the weight-reducing grooves 34 reduces the amount of material used, so that the overall weight of the upper winding module 2 and the lower winding module 3 is reduced. This not only facilitates the handling and installation of the staff, but also reduces the load during the flipping and winding process of the winding film.

[0039] When the upper winding module 2 selects the upper threaded hole 11 far from the center of the vertical clamping plate 1 and the lower winding module 3 selects the lower threaded hole 12 far from the center of the vertical clamping plate 1, when the winding die flips, the strong centripetal force generated by the swinging of the upper winding module 2 and the lower winding module 3 will cause the winding die to shake easily. Therefore, at this time, the two vertical clamping plates 1 are strengthened by adding two upper and lower support rods 41, and the two support rods 41 are located between the upper winding module 2 and the lower winding module 3. By strengthening the connection between the vertical clamping plates 1, the support rods 41 can effectively reduce the vibration generated during the winding process, improve the winding accuracy and quality, and at the same time are beneficial to extending the service life of the equipment.

[0040] Further, the support rod 41 includes a main rod body and threaded ends provided at both ends of the main rod body and capable of passing through the vertical clamping plate 1. The threaded ends are engaged with nuts 42, and the two vertical clamping plates 1 jointly clamp the main rod body. By passing the threaded ends through the vertical clamping plate 1 and cooperating with the nuts 42, the support rod 41 can be firmly fixed between the vertical clamping plates 1, ensuring the stability of the connection and avoiding loosening of the support rod 41 during use. The design of the threaded ends makes the installation and disassembly of the support rod 41 simple and fast. Only by tightening or loosening the nuts 42 can the fixing or releasing be completed, improving the efficiency of maintenance and adjustment.

[0041] In another embodiment, the upper half winding module 2 includes an arc-shaped upper core plate 21 and two upper mounting plates 22 integrally provided at both ends of the arc-shaped upper core plate 21 respectively; two upper mounting holes 23 adapted to a set of upper threaded holes 11 are formed in the upper mounting plates 22. The upper half winding module 2 only needs two upper mounting holes 23 to complete the fixation. Compared with the above technical solution with four upper mounting holes 23, the installation and disassembly process is more simple and fast, reducing the operation difficulty and improving the work efficiency.

[0042] Similarly, the lower half winding module 3 includes an arc-shaped lower core plate 31 and two lower mounting plates 32 integrally provided at both ends of the arc-shaped lower core plate 31 respectively; two lower mounting holes 33 adapted to a set of lower threaded holes 12 are formed in the lower mounting plates 32.

[0043] In this embodiment, the winding die provided by the present utility model is made of all aluminum, with a light weight, convenient for handling and installation, and strong and durable.

[0044] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0045] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a connection that allows for mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the internal communication between two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0046] It can be understood that for those of ordinary skill in the art, equivalent substitutions or changes can be made according to the technical solution and the inventive concept of the present utility model, and all such changes or substitutions should fall within the protection scope of the present utility model.

Claims

1. A winding mold, characterized in that, It includes two vertical clamping plates, an upper wire winding module and a lower wire winding module fixed between the two vertical clamping plates. The upper wire winding module and the lower wire winding module are arranged symmetrically up and down. At the center of the two vertical clamping plates, there are coaxial through holes; in the upper half of the two vertical clamping plates, there are multiple groups of upper threaded holes arranged at equal intervals from bottom to top, and the upper wire winding module is installed onto the appropriate upper threaded holes by screws; in the lower half of the two vertical clamping plates, there are multiple groups of lower threaded holes arranged at equal intervals from bottom to top, and the lower wire winding module is installed onto the appropriate lower threaded holes by screws. The upper threaded holes and the lower threaded holes are arranged symmetrically up and down.

2. The winding die according to claim 1, characterized in that, The height difference between two adjacent groups of upper threaded holes is 25 mm, and the height difference between two adjacent groups of lower threaded holes is 25 mm.

3. The winding die according to claim 1, characterized in that, Side notches are opened in the vertical clamping plates between two adjacent groups of upper threaded holes; side notches are opened in the vertical clamping plates between two adjacent groups of lower threaded holes.

4. The winding die according to claim 1, wherein The upper wire winding module includes an arc-shaped upper core plate and two upper mounting plates integrally provided at both ends of the arc-shaped upper core plate respectively; four upper mounting holes adapted to two groups of upper threaded holes are opened at the corners of the upper mounting plates; the lower wire winding module includes an arc-shaped lower core plate and two lower mounting plates integrally provided at both ends of the arc-shaped lower core plate respectively; four lower mounting holes adapted to two groups of lower threaded holes are opened at the corners of the lower mounting plates.

5. The winding die according to claim 4, characterized in that, The arc-shaped upper core plate bulges upward to form a plurality of first wire winding grooves extending in the front and rear directions, and there is a first aisle connecting between two adjacent first wire winding grooves; the arc-shaped lower core plate bulges downward to form a plurality of second wire winding grooves extending in the front and rear directions, and there is a second aisle connecting between two adjacent second wire winding grooves.

6. The winding die according to claim 5, wherein The number of both the first wire winding grooves and the second wire winding grooves is 16.

7. The winding die according to claim 4, characterized in that, Weight-reducing grooves are opened on the inner end faces of the arc-shaped upper core plate and the arc-shaped lower core plate.

8. The winding die according to claim 1, wherein The two vertical clamping plates are strengthened and connected by two upper and lower support rods, and the two support rods are located between the upper wire winding module and the lower wire winding module.

9. The winding die according to claim 8, characterized in that, The support rod includes a main rod body and threaded ends provided at both ends of the main rod body and capable of passing through the vertical clamping plates. The threaded ends cooperate with nuts, and the two vertical clamping plates jointly clamp the main rod body.

10. The winding die according to claim 1, characterized in that, The upper wire winding module includes an arc-shaped upper core plate and two upper mounting plates integrally provided at both ends of the arc-shaped upper core plate respectively; two upper mounting holes adapted to a group of upper threaded holes are opened on the upper mounting plates; the lower wire winding module includes an arc-shaped lower core plate and two lower mounting plates integrally provided at both ends of the arc-shaped lower core plate respectively; two lower mounting holes adapted to a group of lower threaded holes are opened on the lower mounting plates.

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