Winding mechanism for fine cutting of battery foil

Abstract

The utility model belongs to the technical field of accurate cutting and winding of battery foils, and discloses a winding mechanism for accurate cutting of battery foils, which comprises a supporting mechanism for supporting integral unwinding and winding, and a limiting mechanism which is arranged obliquely above the supporting mechanism and is used for rotationally pushing limiting points on two sides to be far away from or close to each other to adjust the winding width, a covering and pressing mechanism used for rebounding, covering and pressing the battery foil for winding is arranged at the bottom of the supporting mechanism, the supporting mechanism comprises a supporting seat, and a direct current motor is arranged on one side of the supporting seat. According to the winding mechanism for fine cutting of the battery foil, the winding width is adjusted by rotating and pushing the limiting points on the two sides to be away from or close to each other, the applicability is effectively improved, the battery foil is wound by rebounding, covering and pressing the battery foil, wrinkles in the winding process are avoided, the winding quality is improved, and the winding efficiency is improved. And through the arrangement that covering and pressing, winding and limiting adjustment are independently installed, the winding roller is convenient to replace, and the use convenience is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fine cutting and winding of battery foils, and particularly relates to a winding mechanism for fine cutting of battery foils. Background Art

[0002] Battery foil is an important electronic material mainly used for manufacturing batteries. It is mainly used to provide the connection between the positive and negative electrodes of the battery, and its thickness and purity have an important impact on the performance of the battery. Battery foil is widely used in fields such as automobiles, power tools, and laptop computers. With the continuous growth of the electric vehicle market, the demand for battery foil is also increasing. When processing battery foil, a battery foil fine cutting machine is required to cut the battery foil coil. The raw material battery foil coil is introduced into the fine cutting machine from the feeding end, and the battery foil coil is cut into multiple small coils by the fine cutting machine. It is required that the battery foil coil be wound tightly and moderately, the end face be flat, clean, and the edge be smooth. It should be wound around the center of the core, the width of the core is greater than or equal to the width of the foil, and generally the length of both ends of the core does not exceed 5 mm of the width of the foil. The winding and taking-up is carried out at the discharging end of the fine cutting machine through a winding expansion shaft.

[0003] The Chinese patent with the comparative announcement number CN214779568U discloses a safety chuck device for a high-precision battery foil fine cutting machine, which includes a mounting shaft and a clamping plate. A clamping block is fixedly connected to the end of the mounting shaft. The clamping block is provided with a clamping groove that is clamped and matched with the end of the winding expansion shaft. A through hole penetrating itself is provided at the center of the clamping plate. A stop block is fixedly provided on the side of the clamping block facing away from the mounting shaft. The clamping plate is sleeved on the clamping block, and an adjusting device for adjusting the position of the clamping plate is arranged between the side of the clamping plate facing away from the stop block and the mounting shaft.

[0004] However, the above patent cannot conveniently adjust the winding width according to different widths of battery foils during the winding of battery foils, the battery foil deviates during the winding process, the applicability is not high enough, and the battery foil cannot be covered and pressed tightly, and wrinkles may appear during the winding process, affecting the winding quality. Therefore, a new device needs to be designed. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a winding mechanism for fine cutting of battery foils to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A winding mechanism for fine cutting of battery foils includes a support mechanism for supporting the overall unwinding and winding, and further includes a limiting mechanism arranged obliquely above the support mechanism for rotating and pushing the two side limiting points to move away from or close to each other to adjust the winding width, and a covering and pressing mechanism arranged at the bottom of the support mechanism for rebounding and covering and pressing the battery foil for winding.

[0008] The limiting mechanism includes two symmetrically arranged sliding seats. A left - right threaded lead screw is installed between the sliding seats. Two limiting plates are symmetrically installed on the left - right threaded lead screw. On one side of the bottom of the limiting plate, two support pulleys are symmetrically arranged. A first spring is arranged on the top of the sliding seat. A rotating handle is arranged on one side of one of the sliding seats;

[0009] The covering and pressing mechanism includes two symmetrically arranged mounting seats. A second spring is arranged on the top of the mounting seat. A lifting seat is arranged on the top of the second spring. A support shaft is arranged between the lifting seats. A covering and pressing roller is installed on the support shaft.

[0010] Furthermore: The supporting mechanism includes a support seat. A DC motor is arranged on one side of the support seat. Two first rotating seats are symmetrically arranged at the output end of the DC motor. A winding roller is installed between the first rotating seats. Two second rotating seats are symmetrically arranged on one side of the first rotating seat. An unwinding roller is installed between the second rotating seats.

[0011] Furthermore: The first rotating seat and the second rotating seat are respectively connected to the support seat by bearings.

[0012] Furthermore: The winding roller is key - connected to the first rotating seat, and the unwinding roller is key - connected to the second rotating seat.

[0013] Furthermore: The bottom of the limiting plate is arc - shaped, leaving a gap with the winding roller.

[0014] Furthermore: The sliding seat and the lifting seat are respectively slidably connected to the supporting mechanism.

[0015] Furthermore: The second spring is respectively bolt - connected to the mounting seat and the lifting seat.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] 1. By setting the rotation to push the two limiting points away from or close to each other to adjust the winding width, the applicability is effectively improved;

[0018] 2. By setting the rebound to cover and press the battery foil for winding, the appearance of wrinkles during the winding process is avoided, and the winding quality is improved;

[0019] 3. By setting the covering and pressing, winding and limiting adjustment to be independently installed respectively, it is convenient to replace the rollers, and the use convenience is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of a winding mechanism for fine - cutting battery foil according to the present utility model;

[0021] Figure 2It is an axonometric view of the support mechanism of a winding mechanism for precision cutting of battery foils according to the present utility model;

[0022] Figure 3 It is a schematic structural view of the limiting mechanism of a winding mechanism for precision cutting of battery foils according to the present utility model;

[0023] Figure 4 It is a schematic structural view of the covering and pressing mechanism of a winding mechanism for precision cutting of battery foils according to the present utility model.

[0024] In the reference numerals: 101, support base; 102, DC motor; 103, first rotating seat; 104, winding roller; 105, second rotating seat; 106, unwinding roller; 201, sliding seat; 202, left - right threaded lead screw; 203, limiting plate; 204, support pulley; 205, first spring; 206, rotating handle; 301, mounting seat; 302, second spring; 303, lifting seat; 304, support shaft; 305, covering and pressing roller. Detailed implementation manners

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] Please refer to Figures 1-4 , a winding mechanism for precision cutting of battery foils, including a support mechanism for supporting the overall unwinding and winding, and further including a limiting mechanism disposed obliquely above the support mechanism for rotating and pushing the two limiting points to move away from or close to each other to adjust the winding width, and a covering and pressing mechanism disposed at the bottom of the support mechanism for rebounding and covering and pressing the battery foil for winding.

[0027] In this embodiment: The support mechanism includes a support base 101. On one side of the support base 101, a DC motor 102 is provided. At the output end of the DC motor 102, two first rotating seats 103 are symmetrically arranged. Between the first rotating seats 103, a winding roller 104 is installed. On one side of the first rotating seats 103, two second rotating seats 105 are symmetrically arranged. Between the second rotating seats 105, an unwinding roller 106 is installed. The first rotating seats 103 and the second rotating seats 105 are respectively connected to the support base 101 by bearings. The winding roller 104 is key-connected to the first rotating seats 103, and the unwinding roller 106 is key-connected to the second rotating seats 105. The support base 101 supports the unwinding roller 106 through the second rotating seats 105. The unwinding roller 106 rotates to release the battery foil from the bottom. The battery foil enters between the pressing roller 305 and the winding roller 104. The DC motor 102 rotates to drive the first rotating seats 103 to rotate, and drives the winding roller 104 to rotate through the first rotating seats 103 to wind the battery foil;

[0028] In this embodiment: The limiting mechanism includes two sliding seats 201 arranged symmetrically. Between the sliding seats 201, a left-right threaded lead screw 202 is installed. On the left-right threaded lead screw 202, two limiting plates 203 are symmetrically installed. On one side of the bottom of the limiting plates 203, two support pulleys 204 are symmetrically arranged. On the top of the sliding seats 201, a first spring 205 is provided. On one side of one of the sliding seats 201, a rotating handle 206 is provided. The bottom of the limiting plates 203 is arc-shaped and has a gap with the winding roller 104. The sliding seats 201 and the lifting seat 303 are respectively slidably connected to the support base 101. By rotating the rotating handle 206 to rotate the left-right threaded lead screw 202, the two limiting plates 203 are pushed away from or close to each other, and the limiting width is adjusted according to the width of the battery foil. The first spring 205 rebounds to drive the support pulleys 204 to press against the winding roller 104 through the sliding seats 201, and cooperate with the limiting plates 203 to limit the battery foil to prevent deviation;

[0029] In this embodiment: The pressing mechanism includes two mounting seats 301 arranged symmetrically. On the top of the mounting seats 301, second springs 302 are provided. On the top of the second springs 302, a lifting seat 303 is provided. Between the lifting seats 303, a support shaft 304 is provided. On the support shaft 304, a pressing roller 305 is installed. The second springs 302 are respectively bolted to the mounting seats 301 and the lifting seat 303. The second springs 302 rebound under the support of the mounting seats 301 to push the lifting seat 303 upward, and drive the pressing roller 305 through the support shaft 304 to cooperate with the winding roller 104 to press the battery foil to prevent wrinkles from appearing during the winding process.

[0030] Working principle: Rotate the rotation handle 206 to rotate the left - and - right - hand threaded lead screw 202 to push the two limit plates 203 away from or close to each other, adjust the limit width according to the width of the battery foil. The first spring 205 rebounds to drive the support pulley 204 to press against the winding roller 104 through the sliding seat 201, and cooperate with the limit plate 203 to limit the battery foil to prevent deviation. The support base 101 supports the unwinding roller 106 through the second rotating seat 105. The unwinding roller 106 rotates to release the battery foil from the bottom. The battery foil enters between the covering and pressing roller 305 and the winding roller 104. The second spring 302 rebounds upward under the support of the mounting seat 301 to push the lifting seat 303, and drives the covering and pressing roller 305 through the support shaft 304 to cooperate with the winding roller 104 to press the battery foil tightly to prevent wrinkles during the winding process. The DC motor 102 rotates to drive the first rotating seat 103 to rotate, and drives the winding roller 104 to rotate to wind the battery foil.

[0031] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A winding mechanism for fine cutting of battery foil, comprising a supporting mechanism for supporting the overall unwinding and winding, characterized in that: It also includes a limit mechanism disposed obliquely above the support mechanism for rotating and pushing the limit points on both sides away from or close to each other to adjust the winding width, and a covering and pressing mechanism disposed at the bottom of the support mechanism for rebounding, covering and pressing the battery foil for winding; The limiting mechanism comprises two symmetrically arranged sliding seats (201), a forward and reverse threaded screw rod (202) is installed between the sliding seats (201), two limiting plates (203) are symmetrically installed on the forward and reverse threaded screw rod (202), two supporting pulleys (204) are symmetrically arranged on one side of the bottom of the limiting plate (203), a first spring (205) is arranged on the top of the sliding seat (201), and a rotating handle (206) is arranged on one side of one of the sliding seats (201); The covering and pressing mechanism comprises two symmetrically arranged mounting seats (301), a second spring (302) is arranged on the top of the mounting seat (301), a lifting seat (303) is arranged on the top of the second spring (302), a supporting shaft (304) is arranged between the lifting seats (303), and a covering and pressing roller (305) is installed on the supporting shaft (304).

2. A winding mechanism for battery foil precision cutting according to claim 1, characterized in that: The support mechanism comprises a support seat (101), a DC motor (102) is arranged on one side of the support seat (101), two first rotating seats (103) are symmetrically arranged at the output end of the DC motor (102), a winding roller (104) is installed between the first rotating seats (103), two second rotating seats (105) are symmetrically arranged on one side of the first rotating seat (103), and an unwinding roller (106) is installed between the second rotating seats (105).

3. A winding mechanism for precision cutting of battery foil according to claim 2, characterized in that: The first rotating seat (103) and the second rotating seat (105) are respectively connected to the support seat (101) by bearings.

4. A winding mechanism for battery foil precision cutting according to claim 2, characterized in that: The winding roller (104) is key-connected to the first rotating seat (103), and the unwinding roller (106) is key-connected to the second rotating seat (105).

5. A battery foil precision cutting winding mechanism according to claim 1, characterized in that: The bottom of the limiting plate (203) is arc-shaped, and a gap is left between the limiting plate (203) and the supporting mechanism.

6. A winding mechanism for precision cutting of battery foil according to claim 1, characterized in that: The sliding seat (201) and the lifting seat (303) are respectively slidably connected to the supporting mechanism.

7. A battery foil precision cutting winding mechanism according to claim 1, characterized in that: The second spring (302) is respectively connected to the mounting seat (301) and the lifting seat (303) by bolts.

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