Winding fixture for copper tape winding of transformer

By designing a copper belt winding clamp for transformers, the problem of poor distribution parameters and low consistency when the copper belt is wound under high-frequency conditions is solved, and a tighter and uniform copper belt winding is achieved, reducing the transformer volume.

CN110729124BActive Publication Date: 2025-05-02QINGDAO AEROSPACE SEMICON RES INST
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN201911137525.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-11-19
Publication Date
2025-05-02
Estimated Expiration
2039-11-19

AI Technical Summary

Technical Problem

In high-frequency conditions, existing transformers have poor distribution parameters and low consistency when the copper belt is wound, and have a large rebound force at right angle bends, resulting in a not compact winding structure and thicker copper belt, which is not conducive to reducing the transformer volume.

Method used

A winding fixture for copper belt winding is designed, including a frame body, a shaping mold device, a linkage rod, a drive arm, a lateral forming device, a forward forming device, an angle-raising orthopedic device and a mold removal device. Through the coordinated work of these components, the shape and winding of the copper belt can be achieved.

Benefits of technology

Through this winding fixture, the problem of poor distribution parameters and low consistency when the copper belt is wound is solved, the rebound force at right angle bends is reduced, the tightness and uniformity of the copper belt winding is improved, and the overall volume of the transformer is reduced.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure HDA0002279966890000011
    Figure HDA0002279966890000011
  • Figure HDA0002279966890000021
    Figure HDA0002279966890000021
Patent Text Reader

Abstract

The present invention relates to a winding fixture for copper strip windings of transformers, comprising a fixedly arranged frame body (1), a feed slideway (2) longitudinally arranged on the frame body (1), a shaping mold device (3) sliding on the feed slideway (2), a linkage rod (4) whose root is hinged on the shaping mold device (3), a driving arm (5) whose root is hinged on the frame body (1) and whose end portion of the linkage rod (4) is hinged at the middle thereof, a driving connector (6) arranged at the end portion of the driving arm (5) and used for connecting to a power source, and a lateral shaping device (7) arranged on one side of the end of the feed slideway (2); the present invention has a reasonable design, a compact structure and is convenient to use.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to a winding fixture for a copper strip winding of a transformer. Background Art

[0002] At present, the transformer is wound with enameled wire. Due to the small cross-sectional area of ​​the enameled wire, under high-frequency conditions, a skin effect is produced, which has a great impact on the high-frequency current. In order to improve the working efficiency of the high-frequency transformer and reduce the size of the transformer, the copper tape winding process is adopted to widen the cross-sectional area through which the high-frequency current flows, reduce the skin effect, and improve the efficiency of the transformer and reduce the size of the transformer under high-frequency conditions. However, the above-mentioned transformer in the existing technology has poor distribution parameters and low consistency when the copper tape is wound; at the same time, the rebound force at the right-angle bend of the copper tape is large, resulting in a non-compact structure when winding, and the thickness of the copper tape wound part is thick, which is not conducive to reducing the overall volume of the transformer. Summary of the invention

[0003] The technical problem to be solved by the present invention is generally to provide a winding fixture for the copper tape winding of a transformer, which solves the problems of poor distribution parameters and low consistency when the copper tape is wound; the rebound force at the right-angle turn is large, and the thickness of the copper tape winding part is relatively thick.

[0004] To solve the above problems, the technical solution adopted by the present invention is:

[0005] A winding fixture for copper strip winding of a transformer, comprising a fixed frame body, a feed slide longitudinally arranged on the frame body, a shaping mold device sliding on the feed slide, a linkage rod hinged at its root to the shaping mold device, a driving arm hinged at its root to the frame body and the end of the linkage rod hinged at its middle, a driving connector arranged at the end of the driving arm and used to connect a power source, a lateral forming device arranged at one side of the end of the feed slide, a forward forming device arranged at the front of the end of the feed slide, a lifting angle correction device and a mold removal device respectively arranged at the other side of the end of the feed slide, an output conveying device arranged on the frame body and the input end is connected with the mold removal device process, a long side lateral output device and a wide side lateral output device arranged on both sides of the output end of the output conveying device, a copper wire winding device arranged on the frame body, and a guide conveying device arranged between the copper wire winding device and the shaping mold device.

[0006] As a further improvement of the above technical solution:

[0007] The shaping mold device includes an I-shaped slider sliding linearly in an I-shaped feed slide, a rotating spindle vertically rotatably arranged on the I-shaped slider, a shaping module arranged in a rectangular shape on the rotating spindle, a long shaping side surface and a wide shaping side surface distributed on the shaping module, a shaping mold bottom step arranged at the bottom of the shaping module, and a transition shaping edge surface arranged between the long shaping side surface and the wide shaping side surface.

[0008] A heat exchanger is arranged in the inner cavity of the shaping module; a wide-side electromagnet located below the wide shaping side is arranged on the bottom step of the shaping mold, and a long-side electromagnet located below the long shaping side is distributed on the bottom step of the shaping mold;

[0009] A hollow guide center shaft is coaxially arranged on the rotating main shaft, process through grooves are distributed on the outer wall of the guide center shaft, a guide center sleeve is sleeved on the outer wall of the guide center shaft, a center push rod is arranged in the center hole of the guide center shaft, and a telescopic rod of the center push rod is connected with the guide center sleeve through the process through groove;

[0010] The upper end of the gear driving rod is connected to the guide center sleeve, the lower end of the gear driving rod is connected to the upper end of the gear driven rod, the lower end of the gear driven rod is hinged to the lower end of the outer side wall of the guide center shaft, and an upper push rod is provided on the I-shaped slider below the bottom step of the shaping mold, and the upper push rod lifts the shaping module upward along the rotating main axis.

[0011] The lateral forming device, the forward forming device, and the demoulding device have the same structure;

[0012] The lateral forming device includes a manipulator base arranged on the frame body, an N-degree-of-freedom manipulator arranged on the manipulator base, a telescopic positioning manipulator arranged on the N-degree-of-freedom manipulator and perpendicular to the corresponding surface of the shaping module, a rotating manipulator arm arranged at the end of the telescopic positioning manipulator, a pulling guide key arranged at the end of the rotating manipulator arm, a long / wide pressing die seat arranged on the frame body, a mold shaping groove distributed in layers on the front of the long / wide pressing die seat, a mold guide hole arranged on the back of the long / wide pressing die seat and used for passing the pulling guide key, and a mold inner blind hole arranged in the long / wide pressing die seat inside the mold guide hole and used for accommodating the pulling guide key;

[0013] The forward forming device includes a forward manipulator device, which is used at the output end of the forward manipulator device to push the width / length pressing die seat to the corresponding surface of the shaping module;

[0014] The mold removal device includes an output robot device, which is used to remove the wide / long pressing mold seat or the long / wide pressing mold seat on the corresponding surface of the shaping module and place it on the output conveyor device;

[0015] There are wide / long pressing die seats and long / wide pressing die seats corresponding to adjacent sides of the shaping module respectively;

[0016] The wide / long pressing die seat or the long / wide pressing die seat is respectively attracted to the corresponding wide side electromagnet or the long side electromagnet.

[0017] The output conveyor, the long side lateral output device, or the wide side lateral output device respectively comprises a belt drive, a chain drive, or a push rod drive;

[0018] A front baffle is provided at the output end of the output conveying device, and a separation and toggling swing arm is provided on the front baffle; the separation and toggling swing arm swings left and right to send the wide / long pressing die seat or the long / wide pressing die seat on the output conveying device to the long side lateral output device and the wide side lateral output device according to the set requirements;

[0019] The copper wire winding device comprises a winding shaft arranged on a frame body and used for winding the copper strip of the transformer;

[0020] The guide conveying device comprises a first direction guide wheel group and a second direction damping wheel group, which are arranged vertically with the axis center line and are used to guide the transformer copper strip; a shearing machine is arranged between the first direction guide wheel group and the second direction damping wheel group;

[0021] A long side feeding robot or a wide side feeding robot is arranged at the output end of the long side lateral output device, and a wide side feeding robot or a long side feeding robot is arranged at the output end of the wide side lateral output device.

[0022] The lifting angle correction device includes a longitudinal push rod arranged on the frame body, an upgrading push rod arranged on the longitudinal push rod, a swing motor arranged on the upgrading push rod, an advance and retreat push rod arranged on the swing motor, and an L-shaped support plate arranged on the advance and retreat push rod;

[0023] The L-shaped support plate bends the copper strip wound on the shaping module upward at an angle.

[0024] A winding method for copper strip winding of a transformer, with the aid of a winding device, the device comprises a fixed frame body, a feed slideway longitudinally arranged on the frame body, a shaping mold device sliding on the feed slideway, a linkage rod hinged at its root on the shaping mold device, a driving arm hinged at its root on the frame body and the end of the linkage rod hinged at its middle, a driving connector arranged at the end of the driving arm and used to connect a power source, a lateral forming device arranged at one side of the end of the feed slideway, a forward forming device arranged at the front of the end of the feed slideway, a lifting angle correction device and a mold removal device respectively arranged at the other side of the end of the feed slideway, an output conveying device arranged on the frame body and the input end is connected with the mold removal device process, a long side lateral output device and a wide side lateral output device arranged on both sides of the output end of the output conveying device, a copper wire winding device arranged on the frame body, and a guide conveying device arranged between the copper wire winding device and the shaping mold device; the method comprises the following steps;

[0025] Step 1: First, place the transformer copper strip on the winding shaft of the copper wire winding device; then, guide the copper strip through the first direction guide wheel group and the second direction damping wheel group to the corresponding side of the forward forming device and the shaping module;

[0026] Step 2: First, the driving connector drives the I-shaped slider to move along the feed slideway toward the forward forming device through the driving arm and the linkage rod; then, the wide shaping side is in pressure contact with the wide / long pressing die seat located on the forward forming device, and the copper strip is pressed through the die shaping groove; secondly, the lateral forming device drives the long / wide pressing die seat to approach the long shaping side to bend the copper strip; thirdly, the bottom step of the shaping die positions the bottom of the copper strip; next, the wide side electromagnet attracts the wide / long pressing die seat, and the long side electromagnet attracts the long / wide pressing die seat; later, the pulling guide key rotates in the blind hole in the mold until it is aligned with the mold guide hole; later, the pulling guide key leaves the blind hole in the mold through the mold guide hole;

[0027] Step 3: First, the center push rod drives the guide center sleeve, so that the gear driving rod drives the gear driven rod downward to become a horizontal state, and the copper strip is geared at the top;

[0028] Step 4: First, the rotating main shaft drives the shaping module to rotate 90 degrees, so that the copper strip on the subsequent winding shaft is continuously output between the shaping module and the lateral forming device; then, the pulling guide key of the forward forming device enters the blind hole in the mold through the mold guide hole to press the long / wide pressing die seat on the long shaping side; secondly, the wide-side feeding manipulator sends the wide / long pressing die seat on the wide-side lateral output device to the lateral forming device; thirdly, the manipulator of the lateral forming device manipulates the pulling guide key to enter the blind hole in the mold of the wide / long pressing die seat to press the copper strip between the shaping module and the lateral forming device to the corresponding wide shaping side; then, the wide-side electromagnet attracts the wide / long pressing die seat, and the manipulator of the lateral forming device retreats;

[0029] Step 5: First, the pulling guide key of the output manipulator device of the mold removal device enters the blind hole in the mold through the mold guide hole; then, the wide side electromagnet of the corresponding mold removal device loses power and separates from the attracted wide / long pressing mold seat; secondly, the output manipulator device removes the wide / long pressing mold seat and places it on the output conveyor device; thirdly, the separation and toggling swing arm laterally toggles the wide / long pressing mold seat to the corresponding wide side lateral output device;

[0030] Step six, first, the L-shaped support plate of the lifting angle correction device enters the wide forming side of the shaping module in step five; then, the L-shaped support plate holds the copper strip at the wide forming side, and according to the winding lifting angle, the L-shaped support plate holds the copper strip and swings the angle to that angle before leaving.

[0031] As a further improvement of the above technical solution:

[0032] Step 7, first, repeat steps 2-6 until the copper strip is wound to the specified number of turns; then, the center push rod drives the guide center sleeve so that the gear drive rod drives the gear driven rod to move upward to a vertical state, and at the same time, the copper strip is cut by the shearing machine; secondly, the upper push rod rises, and the shaping module is taken away from the rotating spindle together with the copper strip. This fixture is unique in conception, convenient and practical. Through the structure of the shaping die, the problem of poor distribution parameters and low consistency of the copper strip during winding is solved; through the rotation movement and sliding squeeze structure of the shaping die, the problem of large rebound force at the right-angle bend of the copper strip is solved, resulting in a non-compact structure during winding, and the thickness of the copper strip wound part is thick, which is not conducive to reducing the overall volume of the transformer. The invention has a simple structure, is easy to use, has practical functions, is low in cost, improves the production efficiency of the transformer, and reduces the production cost of the transformer. The invention has a reasonable design, low cost, is strong and durable, safe and reliable, simple to operate, saves time and effort, saves money, has a compact structure and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0034] Figure 2 It is a structural schematic diagram of the main components of the present invention.

[0035] Among them: 1. frame; 2. feed slide; 3. shaping mold device; 4. linkage rod; 5. drive arm; 6. drive connector; 7. lateral forming device; 8. forward forming device; 9. lifting angle correction device; 10. mold removal device; 11. output transmission device; 12. long side lateral output device; 13. wide side lateral output device; 14. copper wire winding device; 15. guide transmission device; 16. I-shaped slider; 17. rotating spindle; 18. long side electromagnet; 19. wide side electromagnet; 20. shaping module; 21. long shaping side; 22. wide shaping side; 23. transition shaping edge; 24. shaping mold bottom step; 25. heat exchanger; 26. guide Center axis; 27, guide center sleeve; 28, center push rod; 29, gear drive rod; 30, gear driven rod; 31, top push rod; 32, long / wide pressing die seat; 33, robot base; 34, N-degree-of-freedom robot; 35, telescopic positioning robot; 36, pulling guide key; 37, rotating robot arm; 38, mold guide hole; 39, blind hole in mold; 40, mold shaping groove; 41, wide / long pressing die seat; 42, forward robot device; 43, output robot device; 44, front baffle; 45, separation and toggle swing arm; 46, long side feeding robot; 47, wide side feeding robot; 48, first direction guide wheel group; 49, second direction damping wheel group; 50, longitudinal push rod; 51, upgrade push rod; 52, swing motor; 53, advance and retreat push rod; 54, L-shaped pallet. DETAILED DESCRIPTION

[0036] like Figure 1 As shown, the winding fixture of the copper strip winding of the transformer of this embodiment includes a fixed frame body 1, a feed slide 2 longitudinally arranged on the frame body 1, a shaping mold device 3 sliding on the feed slide 2, a linkage rod 4 hinged at the root on the shaping mold device 3, a driving arm 5 hinged at the root on the frame body 1 and the end of the linkage rod 4 is hinged at the middle thereof, a driving connector 6 arranged at the end of the driving arm 5 and used to connect to a power source, a lateral forming device 7 arranged at one side of the end of the feed slide 2, and a driving connector 6 arranged at the end of the driving arm 5 and used to connect to a power source. A forward forming device 8 is provided at the positive part of the end of the feed slide 2, a lifting angle correction device 9 and a demolding device 10 are respectively arranged at the other side of the end of the feed slide 2, an output conveying device 11 is arranged on the frame 1 and the input end is connected with the demolding device 10 process, a long side lateral output device 12 and a wide side lateral output device 13 are arranged on both sides of the output end of the output conveying device 11, a copper wire winding device 14 is arranged on the frame 1, and a guide conveying device 15 is arranged between the copper wire winding device 14 and the shaping mold device 3.

[0037] The shaping mold device 3 includes an I-shaped slider 16 that slides linearly in the I-shaped feed slide 2, a rotating spindle 17 that is vertically rotatably arranged on the I-shaped slider 16, a shaping module 20 that is rectangularly arranged on the rotating spindle 17, a long shaping side surface 21 and a wide shaping side surface 22 distributed on the shaping module 20, a shaping mold bottom step 24 arranged at the bottom of the shaping module 20, and a transition shaping edge surface 23 arranged between the long shaping side surface 21 and the wide shaping side surface 22.

[0038] A heat exchanger 25 is provided in the inner cavity of the shaping module 20; a wide side electromagnet 19 is provided on the bottom step 24 of the shaping mold and is located below the wide shaping side 22; and a long side electromagnet 18 is distributed on the bottom step 24 of the shaping mold and is located below the long shaping side 21;

[0039] A hollow guide center shaft 26 is coaxially arranged on the rotating main shaft 17, a process through groove is distributed on the outer wall of the guide center shaft 26, a guide center sleeve 27 is sleeved on the outer wall of the guide center shaft 26, a center push rod 28 is arranged in the center hole of the guide center shaft 26, and the telescopic rod of the center push rod 28 is connected to the guide center sleeve 27 through the process through groove;

[0040] The upper end of the gear driving rod 29 is connected to the guide center sleeve 27, the lower end of the gear driving rod 29 is connected to the upper end of the gear driven rod 30, the lower end of the gear driven rod 30 is hinged to the lower end of the outer wall of the guide center shaft 26, and an upper push rod 31 is provided on the I-shaped slider 16 and is located below the bottom step 24 of the shaping mold. The upper push rod 31 pushes the shaping module 20 upward along the rotating main shaft 17.

[0041] The lateral forming device 7, the forward forming device 8, and the demoulding device 10 have the same structure;

[0042] The lateral forming device 7 includes a manipulator base 33 arranged on the frame body 1, an N-degree-of-freedom manipulator 34 arranged on the manipulator base 33, a telescopic positioning manipulator 35 arranged on the N-degree-of-freedom manipulator 34 and perpendicular to the corresponding surface of the shaping module 20, a rotating manipulator 37 arranged at the end of the telescopic positioning manipulator 35, a pulling guide key 36 arranged at the end of the rotating manipulator 37, a long / wide pressing die seat 32 arranged on the frame body 1, a mold shaping groove 40 distributed in layers on the front of the long / wide pressing die seat 32, a mold guide hole 38 arranged on the back of the long / wide pressing die seat 32 and used to pass the pulling guide key 36, and a mold inner blind hole 39 arranged in the long / wide pressing die seat 32 inside the mold guide hole 38 and used to accommodate the pulling guide key 36;

[0043] The forward forming device 8 includes a forward robot device 42, which is used to push the width / length pressing die seat 41 to the corresponding surface of the shaping module 20 at the output end of the forward robot device 42;

[0044] The mold removal device 10 includes an output robot device 43, which is used to remove the wide / long pressing mold seat 41 or the long / wide pressing mold seat 32 on the corresponding surface of the shaping module 20 and place it on the output conveyor device 11;

[0045] There are a width / length pressing die seat 41 and a length / width pressing die seat 32 corresponding to adjacent sides of the shaping module 20 respectively;

[0046] The wide / long pressing die seat 41 or the long / wide pressing die seat 32 is attracted to the corresponding wide side electromagnet 19 or the long side electromagnet 18 respectively.

[0047] The output conveying device 11, the long side lateral output device 12, or the wide side lateral output device 13 respectively include a belt drive, a chain drive, or a push rod transmission;

[0048] A front baffle plate 44 is provided at the output end of the output conveying device 11, and a separation and toggling swing arm 45 is provided on the front baffle plate 44; the separation and toggling swing arm 45 swings left and right to send the wide / long pressing die seat 41 or the long / wide pressing die seat 32 on the output conveying device 11 to the long side lateral output device 12 and the wide side lateral output device 13 according to the set requirements;

[0049] The copper wire winding device 14 comprises a winding shaft arranged on the frame body 1 and used for winding the transformer copper tape;

[0050] The guide conveying device 15 includes a first direction guide wheel set 48 and a second direction damping wheel set 49 which are arranged vertically with their axis and are used to guide the transformer copper strip; a shearing machine is arranged between the first direction guide wheel set 48 and the second direction damping wheel set 49;

[0051] A long side loading robot 46 or a wide side loading robot 47 is provided at the output end of the long side lateral output device 12, and a wide side loading robot 47 or a long side loading robot 46 is provided at the output end of the wide side lateral output device 13;

[0052] The lifting angle correction device 9 includes a longitudinal push rod 50 arranged on the frame body 1, an upgrade push rod 51 arranged on the longitudinal push rod 50, a swing motor 52 arranged on the upgrade push rod 51, an advance and retreat push rod 53 arranged on the swing motor 52, and an L-shaped support plate 54 arranged on the advance and retreat push rod 53;

[0053] The L-shaped support plate 54 bends the copper strip wound on the shaping module 20 upward at an angle.

[0054] The winding method of the copper strip winding of the transformer of this embodiment is based on a winding device, which includes a fixed frame body 1, a feed slide 2 longitudinally arranged on the frame body 1, a shaping mold device 3 sliding on the feed slide 2, a linkage rod 4 hinged at its root on the shaping mold device 3, a driving arm 5 hinged at its root on the frame body 1 and the end of the linkage rod 4 is hinged at its middle, a driving connector 6 arranged at the end of the driving arm 5 and used to connect to a power source, a lateral forming device 7 arranged on one side of the end of the feed slide 2, and a lateral forming device 7 arranged on the feed slide. 2, a forward forming device 8 at the front end of the feed slide 2, a lift angle correction device 9 and a mold removal device 10 respectively arranged at the other side of the end of the feed slide 2, an output conveying device 11 arranged on the frame 1 and the input end is connected with the mold removal device 10 process, a long side lateral output device 12 and a wide side lateral output device 13 arranged on both sides of the output end of the output conveying device 11, a copper wire winding device 14 arranged on the frame 1, and a guide conveying device 15 arranged between the copper wire winding device 14 and the shaping mold device 3; the method comprises the following steps;

[0055] Step 1: First, place the transformer copper strip on the winding shaft of the copper wire winding device 14; then, guide the copper strip through the first direction guide wheel set 48 and the second direction damping wheel set 49 to the corresponding side of the forward forming device 8 and the shaping module 20;

[0056] Step 2, first, the driving connector 6 drives the I-shaped slider 16 to move along the feed slide 2 toward the forward forming device 8 through the driving arm 5 and the linkage rod 4; then, the wide shaping side 22 is in pressure contact with the wide / long pressing die seat 41 located on the forward forming device 8, and the copper strip is pressed through the die shaping groove 40; secondly, the lateral forming device 7 drives the long / wide pressing die seat 32 to approach the long shaping side 21 to bend the copper strip; thirdly, the bottom step 24 of the shaping die positions the bottom of the copper strip; then, the wide side electromagnet 19 attracts the wide / long pressing die seat 41, and the long side electromagnet 18 attracts the long / wide pressing die seat 32; later, the pulling guide key 36 rotates in the blind hole 39 in the mold until it is aligned with the mold guide hole 38; later, the pulling guide key 36 leaves the blind hole 39 in the mold through the mold guide hole 38;

[0057] Step 3: First, the center push rod 28 drives the guide center sleeve 27, so that the gear driving rod 29 drives the gear driven rod 30 downward to become a horizontal state, and the copper strip is geared at the top;

[0058] Step 4, first, the rotating main shaft 17 drives the shaping module 20 to rotate ninety degrees, so that the copper strip on the subsequent winding shaft is continuously output to the space between the shaping module 20 and the lateral forming device 7; then, the pulling guide key 36 of the forward forming device 8 enters the blind hole 39 in the mold through the mold guide hole 38 to press the long / wide pressing die seat 32 on the long shaping side 21; secondly, the wide side feeding manipulator 47 sends the wide / long pressing die seat 41 on the wide side lateral output device 13 to the lateral forming device 7; again, the manipulator of the lateral forming device 7 manipulates the pulling guide key 36 to enter the blind hole 39 in the mold of the wide / long pressing die seat 41, and presses the copper strip between the shaping module 20 and the lateral forming device 7 to the corresponding wide shaping side 22; then, the wide side electromagnet 19 attracts the wide / long pressing die seat 41, and the manipulator of the lateral forming device 7 retreats;

[0059] Step 5, first, the pulling guide key 36 of the output manipulator device 43 of the mold removal device 10 enters the blind hole 39 in the mold through the mold guide hole 38; then, the wide side electromagnet 19 corresponding to the mold removal device 10 loses power and separates from the attracted wide / long pressing mold seat 41; secondly, the output manipulator device 43 removes the wide / long pressing mold seat 41 and places it on the output conveying device 11; thirdly, the separation and toggling swing arm 45 laterally toggles the wide / long pressing mold seat 41 to the corresponding wide side lateral output device 13;

[0060] Step six, first, the L-shaped support plate 54 of the lifting angle correction device 9 enters the wide molding side 22 of the molding module 20 in step five; then, the L-shaped support plate 54 supports the copper strip at the wide molding side 22, and according to the winding lifting angle, the L-shaped support plate 54 supports the copper strip and swings the angle to the angle before leaving.

[0061] Step seven, first, repeat steps two to six until the copper strip is wound to the specified number of turns; then, the center push rod 28 drives the guide center sleeve 27, so that the gear drive rod 29 drives the gear driven rod 30 to move upward and become a vertical state, and at the same time, the copper strip is cut by the shearing machine; secondly, the upper push rod 31 rises to remove the shaping module 20 together with the copper strip from the rotating spindle 17.

[0062] Step eight, cooling or heating the heat exchanger 25 of the removed shaping module 20 , and removing the wrapped copper tape from the shaping module 20 by taking advantage of the different thermal expansion coefficients between the shaping module 20 and the copper tape.

[0063] When the present invention is used, the frame body 1 is supported, the feed slide 2 is guided, the shaping mold device 3, the linkage rod 4, the driving arm 5, the driving connector 6, the lateral forming device 7, the forward forming device 8, the angle lifting device 9, the mold removal device 10, the output conveying device 11, the long side lateral output device 12, the wide side lateral output device 13, the copper wire winding device 14, and the guide conveying device 15 realize automatic winding and automatic mold replacement, thereby greatly reducing the labor intensity, avoiding the error caused by manual winding, and having high efficiency. The I-shaped slider 16 is convenient for guiding The rotating spindle 17 controls the motor to achieve precise rotation angles. The long side electromagnet 18 and the wide side electromagnet 19 are automatically attracted. Bolts or other detachable methods can be used. The shaping module 20, the long shaping side 21, the wide shaping side 22, the transition shaping edge 23, and the bottom step 24 of the shaping mold achieve reasonable winding. The heat exchanger 25 is heat-treated to facilitate demoulding, preferably shrink treatment, the guide center shaft 26, the guide center sleeve 27, the center push rod 28, the gear drive rod 29, and the gear driven rod 30 are actually opened downward to prevent the copper strip from leaving the mold. , its upward contraction allows the mold to be removed using the upper push rod 31. The length / width pressing mold base 32 can be selected according to the actual situation. The long side or wide side is obviously selected. The manipulator base 33, the N-degree-of-freedom manipulator 34, and the telescopic positioning manipulator 35 realize the high-degree-of-freedom movement of the pulling guide key 36. The mold guide hole 38 and the blind hole 39 in the mold can be pulled or separated. The mold shaping groove 40 realizes profiling to avoid deformation of the copper strip. The groove is customized according to the actual situation. The width / length pressing mold base 41 can be selected according to the actual situation. The length or width is selected. The forward manipulator device 42 and the output manipulator device 43 realize the contour-like manual work, the front baffle plate 44 realizes the gear position, the separation and toggling swing arm 45 realizes the lateral toggling separation, the long side loading manipulator 46 and the wide side loading manipulator 47 realize the automatic connection between the lower mold process and the upper mold process, and realizes the recycling of molds, the first direction guide wheel group 48 and the second direction damping wheel group 49 realize the guidance, the quantity and position are adjustable, the longitudinal push rod 50, the upgrade push rod 51, the swing motor 52, the advance and retreat push rod 53, and the L-shaped support plate 54 realize the inclination adjustment of the copper strip and realize spiral winding.

[0064] Embodiment 2, a winding fixture for copper strip winding of transformer, the frame body is fixed to the workbench by threaded connection; the pressure plate is installed on the frame body and fixed by screws; the slider slides between the pressure plate and the frame body; the shaping die is gap-fitted on the slider and can rotate; the baffle frame is fixed to the frame body by screws; the connecting rod is fixed to the slider and the connecting rod by connecting pins; the handle is fixed to the frame body by connecting pins; the connecting pins are fixed to the frame body, the slider and the handle by threads.

[0065] Working process:

[0066] 1. Fit one end of the original L-shaped copper tape winding to the small longitudinal surface of the shaping mold, and then use the handle to move the slider to squeeze the copper tape against the baffle frame; fold the copper tape 90 degrees clockwise, fit it to the large longitudinal surface of the shaping mold, rotate the shaping mold 90 degrees counterclockwise, and then use the handle to move the slider to squeeze the copper tape against the baffle frame; fold the copper tape 90 degrees clockwise, fit it to the small longitudinal surface of the shaping mold, rotate the shaping mold 90 degrees counterclockwise, and then use the handle to move the slider to squeeze the copper tape against the baffle frame; continue to fit the copper tape clockwise to the large longitudinal surface of the shaping mold, rotate the shaping mold 90 degrees counterclockwise, and then use the handle to move the slider to squeeze the copper tape against the baffle frame; one circle of winding is now completed, and the remaining circles are wound in this way until completion.

[0067] 2. Fit one end of the secondary L-shaped copper tape winding to the small longitudinal surface of the shaping mold, and then use the handle to move the slider to squeeze the copper tape against the baffle frame; fold the copper tape 90 degrees clockwise, fit the copper tape to the large longitudinal surface of the shaping mold, rotate the shaping mold 90 degrees counterclockwise, and then use the handle to move the slider to squeeze the copper tape against the baffle frame; fold the copper tape 90 degrees clockwise, fit the copper tape to the small longitudinal surface of the shaping mold, rotate the shaping mold 90 degrees counterclockwise, and then use the handle to move the slider to squeeze the copper tape against the baffle frame; continue to fit the copper tape clockwise to the large longitudinal surface of the shaping mold, rotate the shaping mold 90 degrees counterclockwise, and then use the handle to move the slider to squeeze the copper tape against the baffle frame; one circle of winding is now completed, and the remaining circles are wound in this way until completion.

[0068] 3. Remove the transformer winding from the forming mold.

Claims

1. A winding fixture for copper tape winding of a transformer, characterized in that: The machine comprises a fixed frame body (1), a feed slideway (2) longitudinally arranged on the frame body (1), a shaping mold device (3) sliding on the feed slideway (2), a linkage rod (4) hinged at its root to the shaping mold device (3), a driving arm (5) hinged at its root to the frame body (1) and the end of the linkage rod (4) hinged at the middle thereof, a driving connector (6) arranged at the end of the driving arm (5) and used for connecting to a power source, a lateral shaping device (7) arranged at one side of the end of the feed slideway (2), and a driving connector (6) arranged at the end of the feed slideway (2). a forward forming device (8) of the part, a mold removal device (10) arranged on the other side of the end of the feed slideway (2), an output conveying device (11) arranged on the frame body (1) and whose input end is connected with the process of the mold removal device (10), a long side lateral output device (12) and a wide side lateral output device (13) arranged on both sides of the output end of the output conveying device (11), a copper wire coiling device (14) arranged on the frame body (1), and a guide conveying device (15) arranged between the copper wire coiling device (14) and the shaping mold device (3); The shaping mold device (3) comprises an I-shaped slider (16) sliding linearly in an I-shaped feed slideway (2), a rotating spindle (17) vertically rotatably arranged on the I-shaped slider (16), a shaping module (20) arranged in a rectangular shape on the rotating spindle (17), a long shaping side surface (21) and a wide shaping side surface (22) distributed on the shaping module (20), a shaping mold bottom step (24) arranged at the bottom of the shaping module (20), and a transition shaping edge surface (23) arranged between the long shaping side surface (21) and the wide shaping side surface (22); A heat exchanger (25) is arranged in the inner cavity of the shaping module (20); a wide-side electromagnet (19) located below the wide shaping side (22) is arranged on the bottom step (24) of the shaping mold, and a long-side electromagnet (18) located below the long shaping side (21) is distributed on the bottom step (24) of the shaping mold; A hollow guide center shaft (26) is coaxially arranged on the rotating main shaft (17), a process through groove is distributed on the outer wall of the guide center shaft (26), a guide center sleeve (27) is sleeved on the outer wall of the guide center shaft (26), a center push rod (28) is arranged in the center hole of the guide center shaft (26), and a telescopic rod of the center push rod (28) is connected to the guide center sleeve (27) through the process through groove; The upper end of a gear driving rod (29) is connected to the guide center sleeve (27), the lower end of the gear driving rod (29) is connected to the upper end of a gear driven rod (30), the lower end of the gear driven rod (30) is hinged to the lower end of the outer wall of the guide center shaft (26), and an upper push rod (31) is provided on the I-shaped slider (16) and is located below the bottom step (24) of the shaping mold. The upper push rod (31) lifts the shaping module (20) upward along the rotating main shaft (17); The lateral forming device (7), the forward forming device (8), and the mold removal device (10) have the same structure; The lateral forming device (7) comprises a manipulator base (33) arranged on the frame body (1), an N-degree-of-freedom manipulator (34) arranged on the manipulator base (33), a telescopic positioning manipulator (35) arranged on the N-degree-of-freedom manipulator (34) and perpendicular to the corresponding surface of the shaping module (20), a rotating manipulator (37) arranged at the end of the telescopic positioning manipulator (35), a pulling guide key (36) arranged at the end of the rotating manipulator (37), a long / wide pressing die seat (32) arranged on the frame body (1), a mold shaping groove (40) distributed in layers on the front of the long / wide pressing die seat (32), a mold guide hole (38) arranged on the back of the long / wide pressing die seat (32) and used for passing the pulling guide key (36), and a mold inner blind hole (39) arranged in the long / wide pressing die seat (32) inside the mold guide hole (38) and used for accommodating the pulling guide key (36); The forward forming device (8) comprises a forward manipulator device (42), and the output end of the forward manipulator device (42) is used to push the width / length pressing die seat (41) toward the corresponding surface of the shaping module (20); The mold removal device (10) comprises an output robot device (43), and the output robot device (43) is used to remove the wide / long pressing mold seat (41) or the long / wide pressing mold seat (32) on the corresponding surface of the shaping module (20) and place it on the output conveying device (11); A width / length pressing die seat (41) and a length / width pressing die seat (32) respectively correspond to adjacent sides of the shaping module (20); The width / length pressing die seat (41) or the length / width pressing die seat (32) is attracted to the corresponding width side electromagnet (19) or the length side electromagnet (18) respectively; The output transmission device (11), the long side lateral output device (12), or the wide side lateral output device (13) respectively include a belt drive, a chain drive, or a push rod drive; A front baffle (44) is provided at the output end of the output conveying device (11), and a separation-stirring swing arm (45) is provided on the front baffle (44); the separation-stirring swing arm (45) swings left and right to deliver the wide / long pressing die seat (41) or the long / wide pressing die seat (32) on the output conveying device (11) to the long side lateral output device (12) and the wide side lateral output device (13) according to set requirements; The copper wire winding device (14) comprises a winding shaft which is arranged on the frame body (1) and is used for winding the transformer copper strip; The guide conveying device (15) comprises a first direction guide wheel group (48) and a second direction damping wheel group (49) which are arranged vertically with their axis and are used to guide the transformer copper strip; a shearing machine is arranged between the first direction guide wheel group (48) and the second direction damping wheel group (49); A long side loading robot (46) or a wide side loading robot (47) is provided at the output end of the long side lateral output device (12), and a wide side loading robot (47) or a long side loading robot (46) is provided at the output end of the wide side lateral output device (13); A lift angle correction device (9) is also provided at the other side of the end of the feed slideway (2); The lifting angle correction device (9) comprises a longitudinal push rod (50) arranged on the frame body (1), an upgrading push rod (51) arranged on the longitudinal push rod (50), a swing motor (52) arranged on the upgrading push rod (51), an advance and retreat push rod (53) arranged on the swing motor (52), and an L-shaped support plate (54) arranged on the advance and retreat push rod (53); The L-shaped support plate (54) bends the copper strip wound on the shaping module (20) upward at an angle.

Citation Information

Patent Citations

  • Winding clamp for copper strip winding of transformer

    CN210837476U