Tab protective film cutting device

By designing a tab protective film cutting device, the X-axis slide and blade mounting mechanism are used to achieve precise cutting of the protective film, solving the problem of mismatched protective film width, improving cutting efficiency and accuracy, and reducing production costs.

CN223981897UActive Publication Date: 2026-03-10SUQIAN LITONG ELECTRONIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

In the existing technology, the purchased protective film is too wide and cannot be matched with the tabs, which causes friction between the rolls and affects the quality, failing to meet production requirements.

Method used

A protective film cutting device for tabs was designed, including a worktable, a film feeding frame, a support frame, and a film taking frame. The device utilizes an X-axis slide and a blade mounting mechanism to achieve precise cutting of the protective film. The protective film is limited by a guide plate and a guide groove, and the film's movement direction is adjusted by a guide roller to ensure cutting accuracy and uniform winding.

Benefits of technology

It improves the precision and efficiency of protective film cutting, reduces production costs, meets the needs of tab production, and reduces the risk of protective film wear and misalignment.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223981897U_ABST
    Figure CN223981897U_ABST
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Abstract

The utility model relates to the field of pole lug production, in particular to a pole lug protective film cutting device which comprises a workbench, a film placing frame, a supporting frame and a film collecting frame are sequentially and fixedly installed on the workbench, a film placing rod is rotationally connected to the film placing frame, a permanent magnet damper is connected to the film placing rod, a guide plate is arranged on the supporting frame, and a guide groove is formed in the guide plate. A base is arranged on the side, close to the film placing frame, of the guide plate on the workbench, an X-axis sliding table is installed on the base, a blade installation mechanism is fixedly installed on the X-axis sliding table, a plurality of blades used for cutting the protective film are arranged in the blade installation mechanism, the film collecting frame is rotationally connected with a film collecting rod, and the film collecting rod is in transmission connection with a film collecting motor. The manufacturing cost is low, the cutting problem of the protective film is effectively solved, and the production efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of tab production, and specifically relates to a tab protective film cutting device. BACKGROUND

[0002] The battery tab is mainly used for connecting the electrode material (positive or negative) inside the battery cell and the external circuit, and bears the role of current conduction. In the production process, the metal coil stock needs to be slitting. The previous metal coil stock is a single coil stock disc. Now, as the production requirements for the tab are getting higher and higher, the friction between the coil stocks will affect the quality of the coil stock. Therefore, a layer of PET protective film is added when winding the coil stock to reduce the friction between the coil stocks. In the prior art, the protective film purchased has a relatively wide width and cannot be matched with the tab. Therefore, the tab protective film cutting device is proposed to cut the protective film into a width matched with the tab to adapt to the production requirements. SUMMARY

[0003] The utility model aims at providing a tab protective film cutting device to solve the problems in the background art.

[0004] A tab protective film cutting device is characterized by comprising a workbench, a film placing frame, a supporting frame and a film collecting frame are fixedly installed on the workbench in sequence, a film placing rod is rotatably connected to the film placing frame, a permanent magnet damper is connected to the film placing rod, a guide plate is arranged on the supporting frame, a guide groove is arranged in the guide plate, a base is arranged on one side of the workbench close to the film placing frame, an X-axis sliding table is installed on the base, a blade mounting mechanism is fixedly installed on the X-axis sliding table, a plurality of blades for cutting the protective film are arranged in the blade mounting mechanism, a film collecting rod is rotatably connected to the film collecting frame, and a film collecting motor is drivingly connected to the film collecting rod.

[0005] Preferably, the blade mounting mechanism comprises a mounting seat, a bolt and a plurality of matching blocks, the mounting seat is installed on the X-axis sliding table, the mounting seat is in L-shaped structure, at least one screw hole is arranged on the inner wall of the mounting seat, each matching block is provided with a through hole, the bolt passes through the through holes of the matching blocks in sequence and is screw-connected with the screw hole, when the bolt is screwed, the adjacent matching blocks are pressed against each other to form an installation gap for clamping the blade, the blade is inserted into the installation gap and is fixed by screwing the bolt.

[0006] Preferably, a sliding groove is arranged on the mounting seat and extends in the vertical direction, and each matching block is slidingly connected in the sliding groove.

[0007] Preferably, the mounting seat bottom is provided with a mounting hole, the X-axis sliding table is provided with a screw hole two matched with the mounting hole, the screw hole two is threadedly connected with a bolt two, the mounting seat is installed on the X-axis sliding table in sequence through the bolt two passing through the mounting hole and the screw hole two, and the head of the bolt two is embedded in the mounting hole.

[0008] Preferably, the film collecting frame is rotationally connected with a plurality of guide rollers on the side close to the support frame, and the guide rollers are used for changing the moving direction of the cut protective film, so as to facilitate film collecting.

[0009] Preferably, the guide plate is provided with two waist-shaped adjusting holes, the support frame is provided with screw holes three corresponding to the waist-shaped adjusting holes, the screw holes are threadedly connected with bolts three, and the guide plate is installed on the support frame in sequence through the bolts three passing through the waist-shaped adjusting holes and the screw holes three. By rotating the bolts three, the guide plate can be moved along the vertical direction of the support frame, so that the position of the guide groove is adjusted to adapt to the cutting demand.

[0010] Preferably, the front of the X-axis sliding table is provided with an adjusting rod for adjusting the sliding of the X-axis sliding table, and the side surface is provided with a locking rod for locking the X-axis sliding table. The adjusting rod is used for adjusting the vertical movement of the X-axis sliding table on the base, and the locking rod is used for locking the adjusted X-axis sliding table.

[0011] Beneficial effects

[0012] (1) The utility model discloses a plurality of matching blocks are connected in the sliding slot of the mounting seat, so that a plurality of blades can be installed to adapt to the cutting demand and improve the cutting efficiency.

[0013] (2) In the utility model, the bolt one, the screw hole one of the inner wall of the mounting seat and the through hole on the matching block are connected, so that the blade can be quickly disassembled and assembled, and the worn blade can be conveniently replaced.

[0014] (3) The guide groove in the guide plate can limit the protective film, preventing the protective film from moving and affecting the cutting precision.

[0015] (4) The guide roller in the utility model can ensure that the tension of the protective film is uniform during winding, and reduces the risk of deviation of the protective film. DRAWINGS

[0016] Figure 1 It is the front view structural schematic drawing of the utility model;

[0017] Figure 2 It is the top view structural schematic drawing of the utility model;

[0018] Figure 3 It is the structural schematic drawing of the X-axis sliding table in the utility model;

[0019] Figure 4 It is the structure schematic view of the blade mounting mechanism in the utility model.

[0020] Figure 5 It is the structure schematic view of the guide plate in the utility model.

[0021] In the figure: 1, workbench, 2, film placing frame, 201, film placing rod, 202, film placing disc, 203, permanent magnet damper, 3, support frame, 4, film collecting frame, 401, film collecting rod, 402, film collecting disc, 403, film collecting motor, 5, base, 6, X-axis sliding table, 601, adjusting rod, 602, locking rod, 7, mounting seat, 701, matching block, 7011, through hole, 702, screw No. 1, 703, screw hole No. 1, 704, sliding groove, 705, mounting hole, 706, screw No. 2, 8, guide roller, 9, guide plate, 901, guide groove, 902, waist-shaped adjusting hole, 903, screw No. 3. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] In the description of the utility model, it needs to be understood that the directions or position relations indicated by the terms "middle", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as a limitation on the utility model.

[0024] As Figures 1-5 shown, a kind of lug protective film cutting device, including workbench 1, workbench is sequentially fixedly installed with film placing frame 2, support frame 3 and film collecting frame 4, film placing frame is rotatably connected with film placing rod 201, the film placing rod is connected with permanent magnet damper 203, film placing rod is equipped with film placing disc 202, film placing rod rotation drives film placing disc rotation to carry out film placing.There is guide plate 9 on support frame, guide groove 901 is located in guide plate, guide groove can limit protective film, guarantee the smooth movement of protective film.There is base 5 on workbench in the side of guide plate close to film placing frame, base is installed with X-axis sliding table 6, X-axis sliding table is fixedly installed with blade mounting mechanism in guide plate, there are a plurality of blades for cutting protective film in blade mounting mechanism, blade is thin sheet-shaped blade in the figure, film collecting rod 401 is rotatably connected with film collecting frame, film collecting rod is drivingly connected with film collecting motor 403, film collecting rod is equipped with film collecting disc 402, film collecting motor rotation drives film collecting disc rotation, and the protective film after cutting is reeled.

[0025] The blade mounting mechanism comprises a mounting seat 7, a bolt 702 and a plurality of matching blocks 701. The mounting seat is mounted on the X-axis sliding table and has an L-shaped structure. At least one screw hole 703 is arranged on the inner wall of the mounting seat. Each matching block is provided with a through hole 7011. The bolt 702 is sequentially threaded through the through holes of the matching blocks and is threadedly connected with the screw hole 703. When the bolt 702 is tightened, the adjacent matching blocks are pressed against each other to form a mounting gap for clamping the blade. The blade is inserted into the mounting gap and is fixed by tightening the bolt 702. A sliding groove 704 is arranged on the mounting seat and extends in the vertical direction. Each matching block is slidingly connected in the sliding groove. A plurality of blades are respectively inserted into the plurality of mounting gaps, so that the protective film can be cut into several protective films matching the width of the pole lug at one time, thereby improving the cutting efficiency.

[0026] A mounting hole 705 is arranged at the bottom of the mounting seat. A screw hole 2 is arranged on the X-axis sliding table and matches the mounting hole. A bolt 706 is threadedly connected in the screw hole 2. The mounting seat is mounted on the X-axis sliding table by sequentially passing through the mounting hole and the screw hole 2 through the bolt 2. The head of the bolt 706 is embedded in the mounting hole. The bottom of the mounting hole is in abutment with the head of the bolt 706. The sinking design of the bolt 706 avoids affecting the sliding of the matching blocks on the mounting seat. A plurality of guide rollers 8 are rotatably connected to the side of the film collecting frame close to the support frame. The plurality of guide rollers are distributed in the vertical direction. The guide rollers are used to change the moving direction of the cut protective film and ensure the uniform tension of the protective film during winding, thereby improving the film winding efficiency.

[0027] Two waist-shaped adjusting holes 902 are arranged on the guide plate. Screw holes 3 are arranged on the support frame and correspond to the waist-shaped adjusting holes. Screw holes are threadedly connected with bolts 903. The guide plate is mounted on the support frame by sequentially passing through the waist-shaped adjusting holes and the screw holes 3 through the bolts 3. After the bolts 3 are loosened, the guide plate can be moved along the vertical direction of the support frame. After being moved to the appropriate position, the bolts 3 are tightened, so as to adjust the position of the guide groove to adapt to the cutting demand. An adjusting rod 601 is arranged in front of the X-axis sliding table for adjusting the sliding of the X-axis sliding table, and a locking rod 602 is arranged on the side surface for locking the X-axis sliding table. The adjusting rod is used to adjust the vertical movement of the X-axis sliding table on the base. The locking rod is used to lock the X-axis sliding table after adjustment. The X-axis sliding table in the device is a mature product, such as the X-axis displacement platform with model LGX40-C produced by Huike.

[0028] The film placing rod and the film collecting rod are both provided with external threads. The film placing rod is threadedly connected with a threaded sleeve for locking the film placing disc. The film collecting rod is threadedly connected with a threaded sleeve for locking the film collecting disc. This is a prior art and will not be described here.

[0029] Working principle

[0030] The film placing disc 202 is wound with the protective film to be cut, the film placing disc is sleeved on the film placing rod 201 and locked through thread sleeve, the permanent magnet damper 203 rotates to pay off the protective film, the operator takes the protective film through the guide groove 901 on the guide plate 9 and passes through the blade mounting mechanism, the protective film is cut into a plurality of protective films matched with the width of the tab by the blade in the blade mounting mechanism, in the blade mounting mechanism, the operator inserts the blade between the adjacent matching blocks 701, then tightens the bolt 702, the adjacent matching blocks are extruded to clamp and fix the blade, then the X-axis sliding table 6 is adjusted to adjust the mounting seat forward and backward, so that the mounting seat is in the same horizontal line with the guide groove, so as to cut the protective film, the operator passes the cut protective film through the corresponding guide rollers 8 and winds the cut protective film on a plurality of film collecting discs 402 respectively, opens the film collecting motor 403, the film collecting rod is driven to rotate by the film collecting motor, the film collecting rod drives the film collecting disc to rotate, the film collecting rod rotates to drive the permanent magnet damper to rotate, the permanent magnet damper can adjust the pay-off tension, the film collecting disc continuously winds the cut protective film, the device has reasonable structure design, low cost, effectively solves the cutting problem of the protective film, improves the production efficiency and reduces the production cost.

[0031] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as the preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the equivalent embodiments by using the disclosed technical content without departing from the scope of the technical solution of the present application. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application are still within the scope of the technical solution of the present application.

Claims

1. A tab protection film cutting device, characterized by: The utility model provides a kind of film cutting device, including workbench, the workbench is fixedly installed with film placing frame, support frame and film collecting frame in sequence, the film placing frame is rotatably connected with film placing rod, the film placing rod is connected with permanent magnet damper, the support frame is equipped with guide plate, the guide plate is equipped with guide slot, the workbench is equipped with pedestal on the side of guide plate close to film placing frame, the pedestal is installed with X-axis sliding table, the X-axis sliding table is fixedly installed with blade mounting mechanism, the blade mounting mechanism is equipped with a plurality of blades for cutting protective film, the film collecting frame is rotatably connected with film collecting rod, and the film collecting rod is drivingly connected with film collecting motor.

2. The tab protection film cutting apparatus of claim 1, wherein: The blade mounting mechanism includes a mounting seat, a bolt and a plurality of cooperating blocks, the mounting seat is installed on the X-axis sliding table, the mounting seat is L-shaped structure, at least one screw hole is formed in the inner wall of the mounting seat, each cooperating block is provided with a through hole, the bolt passes through the through hole of each cooperating block in sequence and is screwed with the screw hole, when the bolt is tightened, the adjacent cooperating blocks are pressed to form the installation gap for clamping the blade.

3. The tab protection film cutting apparatus of claim 2, wherein: The mounting seat is provided with a sliding groove, and the sliding groove extends in the vertical direction.

4. The tab protection film cutting apparatus of claim 2, wherein: The mounting seat is provided with a mounting hole, and the X-axis sliding table is provided with a screw hole matched with the mounting hole, a bolt is screwed in the screw hole, and the mounting seat is installed on the X-axis sliding table by the bolt passing through the mounting hole and the screw hole in sequence.

5. The tab protection film cutting apparatus of claim 1, wherein: The film collecting frame is rotatably connected with a plurality of guide rollers on the side close to the support frame.

6. The tab protection film cutting apparatus of claim 1, wherein: The guide plate is provided with two waist-shaped adjusting holes, and the support frame is provided with screw holes corresponding to the waist-shaped adjusting holes, the screw holes are screwed with bolts, and the guide plate is installed on the support frame by the bolts passing through the waist-shaped adjusting holes and the screw holes in sequence.

7. The tab protection film cutting apparatus of claim 1, wherein: The X-axis sliding table is provided with an adjusting rod for adjusting the sliding of the X-axis sliding table and a locking rod for locking the X-axis sliding table.