Electric constant-tension foil winding machine

By designing an electric constant tension foil winding machine that integrates copper foil, insulating paper and partition belt material discharge, welding and winding, the problem of difficult material replacement and safety hazards of winding machines in the prior art is solved, and efficient and safe winding production is achieved.

CN119764053AActive Publication Date: 2025-04-04GUANGDONG KEYUAN ELECTRIC
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Patent Information

Application Number
CN202510251675.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2025-04-04
Estimated Expiration
2045-03-05

AI Technical Summary

Technical Problem

The existing three-winding transformer winding machines are difficult to replace and have great safety hazards.

Method used

An electric constant tension foil winding machine is designed, integrating the material discharge mechanism of copper foil, insulating paper and partition belt, as well as welding and winding mechanisms, and welding and winding mechanisms. The welding and windings are achieved through electric drive and automation, reducing the difficulty and safety risks of material replacement.

Benefits of technology

It realizes efficient welding and winding of windings, reduces the difficulty and safety risks of material replacement operations, and improves production efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of transformer processing, and particularly discloses an electric constant-tension foil winding machine which comprises a base, a copper foil discharging mechanism, a welding mechanism, an insulation paper discharging mechanism, a separation belt discharging mechanism and a winding mechanism and can be used for production and processing of a three-winding transformer. Finally, an iron core column is inserted to form the transformer, welding and winding are integrated on the same machine, the integration degree is high, and the occupied space in a workshop is small; when the separation strip coil needs to be replaced, the third guide rail, the third sliding block, the mounting plate and the material disc can be driven to rotate through the second rotation driving device, so that the whole mounting plate and the material disc are turned over towards the winding mechanism, the height of the material disc is reduced, a worker can directly replace the material disc, and the material replacement operation is simpler and more convenient.
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Description

Technical Field

[0001] The invention relates to the technical field of transformer processing, and in particular to an electric constant tension foil winding machine. Background Art

[0002] A transformer is an electrical device used to change AC voltage, usually including one or more windings and an iron core. Through a transformer, voltage can be transferred from one circuit to another while changing the voltage. A three-winding transformer is a type of transformer. Each phase of a three-winding transformer has three windings, and the high, medium and low voltage windings of each phase are all mounted on the same iron core column; when one winding is connected to an AC power source, the other two windings induce different potentials. This transformer is used for loads that require two different voltage levels. Power plants and substations usually have three different levels of voltage, so three-winding transformers are widely used in power systems.

[0003] The high-voltage winding, medium-voltage winding and low-voltage winding in the three-winding transformer are all wound on the iron core by a winding machine. The windings usually include insulating paper, copper foil and separator tape wound in sequence. In conventional winding machines, the material tray of the separator tape is installed on the top of the machine. When material replacement is required, manual climbing to the top of the machine is required, which is difficult and has great safety hazards.

[0004] Therefore, the prior art still needs to be improved and developed. Summary of the invention

[0005] In view of the above-mentioned deficiencies in the prior art, an object of the present invention is to provide an electric constant tension foil winding machine to solve the above-mentioned problems.

[0006] An electric constant tension foil winding machine, comprising: Base; The copper foil unloading mechanism comprises a first bracket arranged on the base, a first rotation driving device fixed to the first bracket, and an open clamp connected to the output end of the first rotation driving device, wherein the open clamp is used to clamp the copper foil roll and unload the copper foil; A welding mechanism, comprising a second bracket fixed to the base, a first guide rail provided on the second bracket and extending in the y direction, a first slider sliding on the first guide rail in the y direction, a welding frame fixed to the first slider, a bottom bracket fixed to the welding frame, a pressing plate which can be lifted and lowered above the bottom bracket, a first translation driving device provided on the welding frame in the y direction, and a welding head driven by the first translation driving device, a welding area being formed between the bottom bracket and the pressing plate, the welding head being arranged toward the welding area and used for welding the copper bar to the copper foil; An insulating paper unloading mechanism, comprising at least two sets of unloading assemblies arranged at intervals on the base along the x direction, the unloading assembly comprising a second guide rail fixed to the base along the y direction, a second slider sliding on the second guide rail along the y direction, a third bracket fixed to the second slider, and an unloading roller arranged on the third bracket, the unloading roller being used to install an insulating paper roll and unload insulating paper; A separator tape unloading mechanism, comprising a fourth bracket fixed to the base, a second rotation drive device fixed to the fourth bracket, a third guide rail connected to the output end of the second rotation drive device and extending along the y direction, at least one third slider slidable along the y direction on the third guide rail, a mounting plate fixed to the third slider, and at least one material tray rotatably arranged on the mounting plate, the material tray being used to install a separator tape roll and unwind the separator tape; The winding mechanism comprises a fifth bracket fixed to the fourth bracket and a winding roller rotatably arranged on the fifth bracket, wherein the winding roller is used for winding the insulating paper, the copper foil and the separating tape.

[0007] Specifically, the copper foil unloading mechanism also includes a conveying mechanism, which includes a limit assembly arranged on one side of the fourth bracket along the x-direction, and a conveying roller arranged on the other side of the fourth bracket along the x-direction, the limit assembly includes a mounting frame fixed to the fourth bracket, a bottom roller and a pressure roller rotatably arranged on the mounting frame, the pressure roller is located above the bottom roller and has an adjustable height; the copper foil can pass through the gap between the bottom roller and the pressure roller.

[0008] Specifically, the electric constant tension foil winding machine further includes a standby unloading mechanism, which includes a third rotation drive device fixed to the first bracket and an inflatable shaft connected to the output end of the third rotation drive device.

[0009] Specifically, the base is provided with a column, the column is provided with a fourth guide rail along the y direction, the first bracket is provided with a fourth slider slidably matched with the fourth guide rail, and the first bracket is fixedly connected to the fourth slider.

[0010] Specifically, the copper foil unloading mechanism also includes a first pressing assembly, which includes a first rotating shaft rotatably arranged on the first bracket, a first push cylinder arranged on the first bracket and used to drive the first rotating shaft to rotate, a first swing frame fixed to the first rotating shaft, and a first pressing roller rotatably arranged on the first swing frame, wherein the first pressing roller is located on one side of the open clamp and is used to press the copper foil roll.

[0011] Specifically, the winding mechanism also includes a second pressing assembly, which includes a second rotating shaft rotatably arranged on the fifth bracket, a second push cylinder arranged on the fifth bracket and used to drive the second rotating shaft to rotate, a second swing frame fixed to the second rotating shaft, a third swing frame rotatably arranged on the second swing frame, a spring connected between the second swing frame and the third swing frame, and two second pressing rollers rotatably arranged on the third swing frame, and the two second pressing rollers are both located below the winding roller and are used to press the winding.

[0012] Specifically, the welding mechanism further includes a cross connecting frame connected to the output end of the first translation drive device, and the welding head is fixed to the cross connecting frame and has an adjustable angle.

[0013] Specifically, the separating belt unloading mechanism further includes a lower pressing frame connected to one end of the mounting plate along the x-direction, and the lower pressing frame is located obliquely above the winding mechanism.

[0014] Specifically, a plurality of first guide wheels are provided on the mounting plate, a plurality of second guide wheels are provided on the lower pressing frame, and the insulating paper is wound around the first guide wheels and the second guide wheels in sequence and then rolled up by the receiving roller.

[0015] Specifically, the dividing belt unloading mechanism further includes a locking member, and the locking member is used to lock and fix the third sliding block to the third guide rail.

[0016] Beneficial effects of the present invention: 1. The electric constant tension foil winding machine of the present invention comprises a base, a copper foil unwinding mechanism, a welding mechanism, an insulating paper unwinding mechanism, a separating tape unwinding mechanism and a winding mechanism, and can be used for the production and processing of three-winding transformers. Before processing, the copper foil roll is first installed on an open clamp and the copper foil is unwound, and then the copper foil is pulled to the welding mechanism, the copper bar is welded to the copper foil by a welding head, and the copper foil is pulled to the position of the winding mechanism, and then the insulating paper roll is installed on the unwinding roller and the insulating paper is unwound, and then the insulating paper is pulled to the position of the winding mechanism, and then the separating tape roll is installed on the material tray and the separating tape is unwound, and then the separating tape is pulled to the position of the winding mechanism, and finally the insulating paper, copper foil and separating tape are rolled up by the winding roller of the winding mechanism to form a single winding, and finally the iron core column is inserted to form a transformer, and welding and winding are integrated on the same machine, with high integration and small space occupied in the workshop; 2. When the separator tape roll needs to be replaced, the third guide rail, the third slider, the mounting plate and the material tray can be driven to rotate by the second rotating drive device, so that the entire mounting plate and the material tray are tipped toward the winding mechanism to lower the height of the material tray. The staff can directly change the material tray, and the material change operation is easier. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1A schematic diagram of the structure of a winding formed by winding copper foil, insulating paper and separator tape; Figure 2 It is a front view of the electric constant tension foil winding machine of the present application; Figure 3 for Figure 2 A magnified view of part A; Figure 4 for Figure 2 A magnified view of part B; Figure 5 A top view of the electric constant tension foil winding machine of the present application; Figure 6 for Figure 4 Enlarged view of part C; Figure 7 This is a schematic diagram of the structure of the electric constant tension foil winding machine of the present application when welding copper bars; Figure 8 This is a schematic diagram of the structure of the dividing belt discharge mechanism of the present application flipped downward.

[0018] The accompanying drawings are marked as follows: base 10, copper foil discharge mechanism 20, first bracket 21, first rotation drive device 22, open clamp 23, copper foil 91, welding mechanism 30, second bracket 31, first guide rail 32, first slider 33, welding frame 34, bottom bracket 35, pressing plate 36, first translation drive device 37, welding head 38, copper bus 94, insulating paper discharge mechanism 40, second guide rail 41, second slider 42, third bracket 43, discharge roller 44, insulating paper 92, dividing strip discharge mechanism 50, fourth bracket 51, second rotation drive device 52, third guide rail 53, third slider 54, mounting plate 55, material tray 56, dividing strip 93, winding mechanism 60, fifth bracket 61, receiving roller 62, limiting assembly 71, conveying roller 72, mounting frame 711, bottom roller 712, pressing roller 713, spare unloading mechanism 80, third rotating drive device 81, inflatable shaft 82, column 11, fourth guide rail 12, fourth slider 13, first pressing assembly 24, first rotating shaft 241, first pushing cylinder 242, first swinging frame 243, first pressing roller 244, second pressing assembly 63, second rotating shaft 631, second pushing cylinder 632, second swinging frame 633, third swinging frame 634, spring 635, second pressing roller 636, winding 90, cross connecting frame 39, lower pressing frame 57, first guide wheel 58, second guide wheel 59, locking piece 510. DETAILED DESCRIPTION

[0019] The present invention provides an electric constant tension foil winding machine. In order to make the purpose, technical solution and effect of the present invention clearer and more specific, the present invention is further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention and are not used to limit the present invention.

[0020] In the description of the present invention, it should be understood that the descriptions involving orientations, such as up, down, front, back, left, right, etc., and the orientations or positional relationships indicated are based on the orientations or positional relationships described in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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 understood as a limitation on the present invention.

[0021] like Figures 1 to 8 The electric constant tension foil winding machine of the present embodiment includes a base 10, a copper foil unwinding mechanism 20, a welding mechanism 30, an insulating paper unwinding mechanism 40, a separating tape unwinding mechanism 50 and a reeling mechanism 60. The present embodiment can be used for the production and processing of a three-winding transformer. Before processing, the copper foil roll is first installed on the open clamp 23 and the copper foil 91 is unwound. Then, the copper foil 91 is pulled to the welding mechanism 30, and the copper bar 94 is welded to the copper foil 91 by the welding head 38. Then, the copper foil 91 is pulled to the position of the reeling mechanism 60, and then Then, the insulating paper roll is installed on the unwinding roller 44 and the insulating paper 92 is released, and then the insulating paper 92 is pulled to the position of the winding mechanism 60, and then the dividing tape roll is installed on the material tray 56 and the dividing tape 93 is released, and then the dividing tape 93 is pulled to the position of the winding mechanism 60, and finally the insulating paper 92, copper foil 91 and dividing tape 93 are rolled up by the winding roller 62 of the winding mechanism 60 to form a single winding 90, and finally the iron core column is inserted to form a transformer, and welding and winding are integrated on the same machine, with high integration and small space occupied in the workshop.

[0022] Please refer to Figure 2 and Figure 5 The copper foil discharge mechanism 20 of this embodiment includes a first bracket 21 arranged on the base 10, a first rotating drive device 22 fixed to the first bracket 21, and an open clamp 23 connected to the output end of the first rotating drive device 22. The open clamp 23 is used to clamp the copper foil roll and discharge the copper foil 91. The open clamp 23 can adopt a self-centering open clamp without a spoke wheel as disclosed in Chinese patent announcement number CN219747675U, which can facilitate the staff to install or remove the copper foil roll. The first rotating drive device 22 can adopt a right-angle motor, which occupies a small space along the y direction.

[0023] Please refer to Figure 3 , Figure 6 and Figure 7The welding mechanism 30 of the present embodiment includes a second bracket 31 fixed to the base 10, a first guide rail 32 provided on the second bracket 31 and extending along the y direction, a first slider 33 sliding on the first guide rail 32 along the y direction, a welding frame 34 fixed to the first slider 33, a bottom bracket 35 fixed to the welding frame 34, a pressing plate 36 which can be lifted and lowered above the bottom bracket 35, a first translation driving device 37 provided on the welding frame 34 along the y direction, and a welding head 38 driven by the first translation driving device 37, a welding area is formed between the bottom bracket 35 and the pressing plate 36, the welding head 38 is arranged toward the welding area and is used to weld the copper bar 94 to the copper foil 91; usually, a winding 90 has two copper bars 94 as conductive terminals, which are respectively welded to the first and last ends of the copper foil 91, and the copper bars 94 are welded to the copper foil 91. 4, the first slider 33 can be driven manually or by a linear drive device to slide along the first guide rail 32, so that the welding head 38 is adjusted to the top of the winding mechanism 60 along the y direction, and then the copper foil 91 is pulled to the welding area, the copper bar 94 is placed on the upper end of the copper foil 91, and the copper bar 94 and the copper foil 91 are pressed by the pressing plate 36, and the welding head 38 is driven by the first translation drive device 37 to realize automatic welding of the welding head 38 along the y direction; after welding, the copper foil 91 is pulled to the receiving roller 62 of the winding mechanism 60, and is wound by the receiving roller 62; and the first slider 33 is driven manually or by a linear drive device to slide along the first guide rail 32, so that the welding head 38 is moved away along the y direction, ensuring that there is no obstruction above the position of the winding mechanism 60, providing a sufficient space for the staff to do the winding work.

[0024] Please refer to Figure 2 , the insulating paper unloading mechanism 40 of the present embodiment includes at least two groups of unloading components arranged at intervals on the base 10 along the x direction, and the unloading component includes a second guide rail 41 fixed to the base 10 along the y direction, a second slider 42 sliding on the second guide rail 41 along the y direction, a third bracket 43 fixed to the second slider 42, and a unloading roller 44 arranged on the third bracket 43, and the unloading roller 44 is used to install the insulating paper roll and unwind the insulating paper 92; at least two groups of unloading components are arranged in the present embodiment, when the insulating paper roll of one group of unloading components is used up, the other group of unloading components can be directly switched to pull the insulating paper roll of the other group of unloading components to the position of the winding mechanism 60 for winding, and the material changing process does not require a long shutdown time; in addition, the present embodiment installs the third bracket 43 on the second slider 42 by arranging the second guide rail 41 and the second slider 42, and the unloading roller 44 is arranged on the third bracket 43. When changing materials, the third bracket 43 and the unloading roller 44 can be moved out along the y direction, which is convenient for the staff to change materials, and the structure is ingenious.

[0025] Please refer to Figure 2 and Figure 8The dividing tape unloading mechanism 50 includes a fourth bracket 51 fixed to the base 10, a second rotating drive device 52 fixed to the fourth bracket 51, a third guide rail 53 connected to the output end of the second rotating drive device 52 and extending along the y direction, at least one third slider 54 that can slide on the third guide rail 53 along the y direction, a mounting plate 55 fixed to the third slider 54, and at least one material tray 56 rotatably arranged on the mounting plate 55, and the material tray 56 is used to install the dividing tape roll and unwind the dividing tape 93; when the dividing tape roll needs to be replaced, the third guide rail 53, the third slider 54, the mounting plate 55 and the material tray 56 can be driven to rotate by the second rotating drive device 52, so that the entire mounting plate 55 and the material tray 56 are tilted toward the winding mechanism 60, thereby lowering the height of the material tray 56, and the staff can directly change the material on the material tray 56, and the material change operation is simpler.

[0026] Please refer to Figure 2 and Figure 5 The winding mechanism 60 includes a fifth bracket 61 fixed to the fourth bracket 51, and a receiving roller 62 rotatably arranged on the fifth bracket 61. The receiving roller 62 is used to wind up the insulating paper 92, the copper foil 91 and the separator tape 93. A rotating drive device or a handle can be provided at one end of the receiving roller 62 along the y direction. The receiving roller 62 is driven to rotate by the rotating drive device or the handle, thereby realizing winding.

[0027] Please refer to Figure 2 and Figure 4 The copper foil discharge mechanism 20 also includes a conveying mechanism, which includes a limit assembly 71 arranged on one side of the fourth bracket 51 along the x direction, and a conveying roller 72 arranged on the other side of the fourth bracket 51 along the x direction. The limit assembly 71 includes a mounting frame 711 fixed to the fourth bracket 51, a bottom roller 712 and a pressure roller 713 rotatably arranged on the mounting frame 711, and the pressure roller 713 is located above the bottom roller 712 and has an adjustable height, which can adapt to the passage of copper foils 91 of different thicknesses and has better compatibility; the copper foil 91 can pass through the gap between the bottom roller 712 and the pressure roller 713.

[0028] Please refer to Figure 2 and Figure 5 The electric constant tension foil winding machine also includes a spare unloading mechanism 80, which includes a third rotating drive device 81 fixed to the first bracket 21 and an air shaft 82 connected to the output end of the third rotating drive device 81. For other types of transformers, a wider copper foil 91 may be required. The air shaft 82 can be adapted to the installation of such copper foil rolls, providing more options for production and processing.

[0029] Please refer to Figure 2A column 11 is provided on the base 10, and a fourth guide rail 12 is provided on the column 11 along the y direction. A fourth slider 13 slidably matched with the fourth guide rail 12 is provided on the first bracket 21. The first bracket 21 is fixedly connected to the fourth slider 13. By setting the fourth guide rail 12 and the fourth slider 13, the copper foil unloading mechanism 20 can be pulled out along the y direction to facilitate material replacement, and the copper foil unloading mechanism 20 can adjust its position along the y direction to ensure the unloading accuracy of the copper foil 91, so that the insulating paper 92, the copper foil 91 and the separating tape 93 have better flatness after winding.

[0030] To prevent the copper foil roll from loosening and causing the copper foil 91 to fall and stick to dust, please refer to Figure 2 The copper foil unloading mechanism 20 also includes a first pressing assembly 24, which includes a first rotating shaft 241 rotatably arranged on the first bracket 21, a first pushing cylinder 242 arranged on the first bracket 21 and used to drive the first rotating shaft 241 to rotate, a first swing frame 243 fixed to the first rotating shaft 241, and a first pressing roller 244 rotatably arranged on the first swing frame 243. The first pressing roller 244 is located on one side of the open clamp 23 and is used to press the copper foil roll.

[0031] In order to make the winding 90 wound more tightly, the winding mechanism 60 also includes a second pressing assembly 63, the first pressing assembly 24 includes a second rotating shaft 631 rotatably arranged on the fifth bracket 61, a second push cylinder 632 arranged on the fifth bracket 61 and used to drive the second rotating shaft 631 to rotate, a second swing frame 633 fixed to the second rotating shaft 631, a third swing frame 634 rotatably arranged on the second swing frame 633, a spring 635 connected between the second swing frame 633 and the third swing frame 634, and two second pressing rollers 636 rotatably arranged on the third swing frame 634, and the two second pressing rollers 636 are both located below the winding roller 62 and are used to press the winding 90.

[0032] Furthermore, the welding mechanism 30 of this embodiment also includes a cross-connecting frame 39 connected to the output end of the first translation drive device 37. The welding head 38 is fixed to the cross-connecting frame 39 and the angle is adjustable. The position and angle of the welding head 38 can be fine-tuned through the cross-connecting frame 39 so that it can adapt to different welding scenarios.

[0033] In addition, please refer to Figure 8 As shown, the separating belt unloading mechanism 50 also includes a lower pressing frame 57 connected to one end of the mounting plate 55 along the x direction. The lower pressing frame 57 is located obliquely above the winding mechanism 60. During the copper foil 91 pulling stage, the lower pressing frame 57 can be adjusted to the position as shown in the figure by the driving rotation of the second rotating driving device 52. Figure 8 In the structure shown, the copper foil 91 is guided downward by the lower pressing frame 57 , so that the copper foil 91 can be automatically pulled to the receiving roller 62 of the winding mechanism 60 .

[0034] Please refer to Figure 2 and Figure 3 As shown, a plurality of first guide wheels 58 are provided on the mounting plate 55, and a plurality of second guide wheels 59 are provided on the lower pressure frame 57. The insulating paper 92 is wound around the first guide wheel 58 and the second guide wheel 59 in sequence and then wound up by the receiving roller 62. The insulating paper 92 is guided by the first guide wheel 58 and the second guide wheel 59 so that it can be transported stably.

[0035] Please refer to Figure 4 The dividing belt unloading mechanism 50 further includes a locking member 510 , which can be a locking screw. The locking member 510 is used to lock and fix the third slider 54 to the third guide rail 53 .

[0036] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of the present invention.

Claims

1. An electric constant tension foil winding machine, characterized in that: include: Base (10); A copper foil unwinding mechanism (20) comprising a first bracket (21) arranged on the base (10), a first rotation drive device (22) fixed to the first bracket (21), and an open clamp (23) connected to an output end of the first rotation drive device (22), wherein the open clamp (23) is used to clamp the copper foil roll and unwind the copper foil (91); A welding mechanism (30), comprising a second bracket (31) fixed to the base (10), a first guide rail (32) provided on the second bracket (31) and extending in the y direction, a first slider (33) sliding on the first guide rail (32) in the y direction, a welding frame (34) fixed to the first slider (33), a bottom bracket (35) fixed to the welding frame (34), a pressing plate (36) which can be raised and lowered above the bottom bracket (35), a first translation drive device (37) provided on the welding frame (34) in the y direction, and a welding head (38) driven by the first translation drive device (37), wherein a welding area is formed between the bottom bracket (35) and the pressing plate (36), and the welding head (38) is arranged toward the welding area and is used to weld a copper busbar (94) to the copper foil (91); An insulating paper unloading mechanism (40) comprises at least two sets of unloading assemblies arranged at intervals along the x-direction on the base (10), the unloading assembly comprising a second guide rail (41) fixed to the base (10) along the y-direction, a second slider (42) sliding along the second guide rail (41) along the y-direction, a third bracket (43) fixed to the second slider (42), and an unloading roller (44) arranged on the third bracket (43), the unloading roller (44) being used to install an insulating paper roll and unload insulating paper (92); A separator tape unloading mechanism (50) comprises a fourth bracket (51) fixed to the base (10), a second rotation drive device (52) fixed to the fourth bracket (51), a third guide rail (53) connected to the output end of the second rotation drive device (52) and extending along the y direction, at least one third slider (54) slidable along the y direction on the third guide rail (53), a mounting plate (55) fixed to the third slider (54), and at least one material tray (56) rotatably arranged on the mounting plate (55), wherein the material tray (56) is used to install a separator tape roll and unwind the separator tape (93); The reeling mechanism (60) comprises a fifth bracket (61) fixed to the fourth bracket (51), and a reeling roller (62) rotatably disposed on the fifth bracket (61), wherein the reeling roller (62) is used to reel up the insulating paper (92), the copper foil (91) and the separator tape (93).

2. The electric constant tension foil winding machine according to claim 1, characterized in that: The copper foil unloading mechanism (20) further comprises a conveying mechanism, the conveying mechanism comprising a limit assembly (71) arranged on one side of the fourth bracket (51) along the x-direction, and a conveying roller (72) arranged on the other side of the fourth bracket (51) along the x-direction, the limit assembly (71) comprising a mounting frame (711) fixed to the fourth bracket (51), a bottom roller (712) and a pressure roller (713) rotatably arranged on the mounting frame (711), the pressure roller (713) being located above the bottom roller (712) and having an adjustable height; the copper foil (91) can pass through a gap between the bottom roller (712) and the pressure roller (713).

3. The electric constant tension foil winding machine according to claim 1, characterized in that: The electric constant tension foil winding machine further comprises a standby unwinding mechanism (80), wherein the standby unwinding mechanism (80) comprises a third rotation drive device (81) fixed to the first bracket (21), and an inflatable shaft (82) connected to the output end of the third rotation drive device (81).

4. The electric constant tension foil winding machine according to claim 1, characterized in that: The base (10) is provided with a column (11), the column (11) is provided with a fourth guide rail (12) along the y direction, the first bracket (21) is provided with a fourth slide block (13) slidably matched with the fourth guide rail (12), and the first bracket (21) is fixedly connected to the fourth slide block (13).

5. The electric constant tension foil winding machine according to claim 1, characterized in that: The copper foil unloading mechanism (20) further comprises a first pressing assembly (24), the first pressing assembly (24) comprising a first rotating shaft (241) rotatably mounted on the first bracket (21), a first pushing cylinder (242) mounted on the first bracket (21) and used to drive the first rotating shaft (241) to rotate, a first swing frame (243) fixed to the first rotating shaft (241), and a first pressing roller (244) rotatably mounted on the first swing frame (243), the first pressing roller (244) being located on one side of the open clamp (23) and used to press the copper foil roll.

6. The electric constant tension foil winding machine according to claim 1, characterized in that: The winding mechanism (60) further includes a second pressing assembly (63), the second pressing assembly (63) including a second rotating shaft (631) rotatably disposed on the fifth bracket (61), a second pushing cylinder (632) disposed on the fifth bracket (61) and used to drive the second rotating shaft (631) to rotate, a second swing frame (633) fixed to the second rotating shaft (631), a third swing frame (634) rotatably disposed on the second swing frame (633), a spring (635) connected between the second swing frame (633) and the third swing frame (634), and two second pressing rollers (636) rotatably disposed on the third swing frame (634), wherein the two second pressing rollers (636) are both located below the winding roller (62) and are used to press the winding (90).

7. The electric constant tension foil winding machine according to claim 1, characterized in that: The welding mechanism (30) further comprises a cross connecting frame (39) connected to the output end of the first translation drive device (37), and the welding head (38) is fixed to the cross connecting frame (39) and has an adjustable angle.

8. The electric constant tension foil winding machine according to claim 1, characterized in that: The dividing strip unwinding mechanism (50) further comprises a lower pressing frame (57) connected to one end of the mounting plate (55) along the x-direction, the lower pressing frame (57) being located obliquely above the winding mechanism (60).

9. The electric constant tension foil winding machine according to claim 8, characterized in that: A plurality of first guide wheels (58) are provided on the mounting plate (55), a plurality of second guide wheels (59) are provided on the lower pressing frame (57), and the insulating paper (92) is wound around the first guide wheels (58) and the second guide wheels (59) in sequence and then wound up by the receiving roller (62).

10. The electric constant tension foil winding machine according to claim 1, characterized in that: The dividing belt unloading mechanism (50) further comprises a locking member (510), wherein the locking member (510) is used to lock and fix the third sliding block (54) to the third guide rail (53).

Citation Information

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