Pretreatment device for improving high adhesive force of carbon-coated copper foil

Abstract

The utility model belongs to the technical field of lithium ion batteries, and particularly relates to a pretreatment device for improving the high adhesive force of a carbon-coated copper foil, which comprises a U-shaped frame, a motor I is fixedly connected to the side surface of the U-shaped frame, a rotating shaft is fixedly connected to an output shaft of the motor I, and a friction roller is fixedly connected to the circumferential surface of the rotating shaft. A second motor is fixedly connected to the side face of the U-shaped frame, an output shaft of the second motor is fixedly connected with a rotating rod, a polishing roller is fixedly connected to the circumferential face of the rotating rod, a scraping device used for avoiding adhesion of copper foil is arranged on the side face of the U-shaped frame, and the scraping device comprises a connecting block. The utility model solves the problems that the grinding effect is non-uniform, the quality of a final product is influenced and the efficiency is reduced because chippings can be adhered to the surface of the grinding roller after the grinding of the grinding roller of the pretreatment device, the normal work of the grinding roller is influenced, and a part of copper foil cannot be subjected to uniform surface treatment.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lithium ion battery technical field, concretely relates to a kind of pretreatment device of improving high adhesion of carbon-coated copper foil. BACKGROUND

[0002] The pretreatment device for improving high adhesion of carbon-coated copper foil usually involves multiple steps to ensure that the coating can be firmly attached to the surface of the copper foil. Common pretreatment methods include cleaning, surface roughening, and chemical treatment. The cleaning step can remove oil and impurities on the surface of the copper foil. Chemical treatment, such as copper surface activation, can improve the chemical bonding force between the coating and the copper foil. These steps can effectively improve the adhesion of carbon-coated copper foil.

[0003] A Chinese patent with patent announcement number CN220902768U discloses a pretreatment device for improving high adhesion of carbon-coated copper foil, which includes a polishing block and a polishing shaft. The polishing block is arranged in an arc shape and is fixed on a machine table. The inner concave surface of the polishing block is roughened. First air holes are provided on the left and right ends of the polishing block along the arc of the polishing block. The first air holes are connected to the interior of the polishing block. A plurality of first chip removal holes are provided on the inner concave surface of the polishing block. The first chip removal holes are in communication with the first air holes. The polishing shaft is concentrically arranged with the polishing block. Transmission wheels are arranged on the upper and lower ends of the polishing shaft. The polishing shaft is rotated by connecting a belt to the transmission wheels. The polishing shaft is hollow and has second air holes passing through the upper and lower ends along the length of the polishing shaft. The utility model has the advantages of double-sided grinding and sufficient grinding.

[0004] However, the current pretreatment device has the following problems: the debris adheres to the surface of the polishing roller after polishing, which affects its normal work, resulting in uneven polishing effect, and some copper foils cannot be uniformly treated, thereby affecting the quality of the final product and reducing efficiency. Therefore, we propose a pretreatment device for improving high adhesion of carbon-coated copper foil. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a pretreatment device for improving high adhesion of carbon-coated copper foil, which can solve the problem of debris adhering to the surface of the polishing roller after polishing, which affects its normal work, resulting in uneven polishing effect, and some copper foils cannot be uniformly treated, thereby affecting the quality of the final product and reducing efficiency.

[0006] The technical solution adopted by the utility model is as follows:

[0007] The utility model provides a kind of improve the pretreatment device of high adhesion of carbon-coated copper foil, including U-shaped frame, the side surface of the U-shaped frame is fixedly connected with motor one, the output shaft of the motor one is fixedly connected with rotating shaft, the circumferential surface of the rotating shaft is fixedly connected with friction roller, the side surface of the U-shaped frame is fixedly connected with motor two, the output shaft of the motor two is fixedly connected with rotating rod, the circumferential surface of the rotating rod is fixedly connected with polishing roller, the side surface of the U-shaped frame is provided with the scraping device for avoiding copper foil adhesion, the scraping device includes connecting block, the side surface of the connecting block is fixedly connected on the side surface of U-shaped frame, the side surface of the connecting block is penetrated and slid with track rod, the circumferential surface of the rotating rod is equipped with track groove, the side surface of the track rod is fixedly connected with scraper, the side surface of the U-shaped frame is fixedly connected with collection box.

[0008] The end of the track rod away from the connecting block is spherical design, and the spherical design end of the track rod is in contact with the inner wall of the track groove.

[0009] The scraper is triangular design, and the inclined surface of the scraper is in contact with the outer wall of the polishing roller.

[0010] The side surface of the U-shaped frame is provided with knocking device, the side surface of the L-shaped plate is fixedly connected on the side surface of U-shaped frame, the inner wall of the L-shaped plate is slidably connected with U-shaped sliding plate, the inner wall of the U-shaped sliding plate is fixedly connected with a plurality of knocking rods, and the U-shaped sliding plate and the L-shaped plate are provided with springs.

[0011] The scraper is located in the movement track of the knocking rod, one side of the U-shaped sliding plate is arc design, and the arc surface of the U-shaped sliding plate is located in the movement track of the track rod.

[0012] The collection box is located below the U-shaped sliding plate, and the inclined surface of the scraper is in contact with the top of the knocking rod.

[0013] The utility model discloses the technical effect achieved is:

[0014] The utility model discloses the setting of scraping device makes connecting block, track rod, track groove, scraper, collection box cooperate, and the rotation of rotating rod drives track rod to move along the inner wall of track groove, the movement of track rod drives the movement of scraper, the movement of scraper can clean and scrape the surface of polishing roller, avoid the debris of polishing to adhere on the surface of polishing roller, lead to uneven polishing effect, part copper foil cannot obtain even surface treatment, thereby influence the quality of final product, thereby lead to the problem of efficiency reduction;The debris scraped will fall into collection box, avoid debris everywhere, need staff to spend additional time to clean.

[0015] The utility model discloses a knock device's setting makes L -shaped board, U -shaped sliding board, knock stick, spring cooperation, and U -shaped sliding board downward movement still can make spring be compressed, when track pole removes right, spring resets through self -elastic force, and the reset of spring drives the reset of U -shaped sliding board, and the reset of U -shaped sliding board drives the reset of knock stick, and the reset of knock stick can knock the scraper, avoid the adhesion of chippings on the surface of scraper, cause the efficiency reduction of scraping, also influence the effect of preprocessing, and the chippings after knocking also drop into the collection box, avoid chippings everywhere. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the schematic diagram of the whole utility model;

[0017] Figure 2 It is the schematic diagram of the structure of scraping device of the utility model;

[0018] Figure 3 It is the schematic diagram of the structure of track pole of the utility model;

[0019] Figure 4 It is the schematic diagram of the structure of knock stick of the utility model;

[0020] Figure 5 It is the schematic diagram of the structure of knock device of the utility model.

[0021] In the drawings, the component list represented by each sign is as follows:

[0022] 1, U -shaped frame;2, motor one;3, rotating shaft;4, friction roller;5, motor two;6, rotating rod;7, polishing roller;8, scraping device;81, connecting block;82, track pole;83, track groove;84, scraper;85, collection box;9, knock device;91, L -shaped board;92, U -shaped sliding board;93, knock stick;94, spring. DETAILED DESCRIPTION

[0023] In order to make the purpose and the advantage of the utility model more clear and obvious, the following specific description of the utility model is combined with example, and it should be understood that the following text is only used to describe one or several specific implementation modes of the utility model, and does not strictly limit the protection scope of the utility model specific request.

[0024] As Figure 1 - Figure 2As shown, a kind of pretreatment device for improving the high adhesion of carbon-coated copper foil, it includes U-shaped frame 1, the side surface of U-shaped frame 1 is fixedly connected with motor one 2, motor one 2 controls the clockwise rotation of rotating shaft 3, the output shaft of motor one 2 is fixedly connected with rotating shaft 3, the circumferential surface of rotating shaft 3 is fixedly connected with friction roller 4, the side surface of U-shaped frame 1 is fixedly connected with motor two 5, motor two 5 controls the counterclockwise rotation of rotating lever 6, the output shaft of motor two 5 is fixedly connected with rotating lever 6, the circumferential surface of rotating lever 6 is fixedly connected with polishing roller 7, the side surface of U-shaped frame 1 is provided with scraping device 8 for avoiding copper foil adhesion, scraping device 8 includes connecting block 81, the side surface of connecting block 81 is fixedly connected on the side surface of U-shaped frame 1, the side surface of connecting block 81 is fixedly connected with rail rod 82, the circumferential surface of rotating lever 6 is provided with rail groove 83, the side surface of rail rod 82 is fixedly connected with scraper 84, the side surface of U-shaped frame 1 is fixedly connected with collection box 85, the end of rail rod 82 away from connecting block 81 is designed as spherical shape, the advantage of spherical shape is that compared with other shapes, spherical shape can move better in rail groove 83, and the end of rail rod 82 with spherical shape is in contact with the inner wall of rail groove 83, scraper 84 is designed as triangular shape, triangular shape can make the cleaning effect of scraper 84 better, the inclined surface of scraper 84 is in contact with the outer wall of polishing roller 7, and scraper 84 can scrape the surface of polishing roller 7;

[0025] According to the above structure, the copper foil is placed between friction roller 4 and polishing roller 7, then motor one 2 is started, the output shaft of motor one 2 rotates rotating shaft 3, rotating shaft 3 rotates to drive friction roller 4 to rotate, at the same time, motor two 5 is started, the output shaft of motor two 5 rotates to drive rotating lever 6 to rotate, rotating lever 6 rotates to drive polishing roller 7 to rotate, the rotation of polishing roller 7 and friction roller 4 can pretreat the surface of copper foil, and the debris after treatment will adhere to the surface of polishing roller 7, at the same time, the rotation of rotating lever 6 drives rail rod 82 to move along the inner wall of rail groove 83, the movement of rail rod 82 drives the movement of scraper 84, the movement of scraper 84 can clean and scrape the surface of polishing roller 7, to avoid the debris of polishing adhering to the surface of polishing roller 7, so that the polishing effect is uneven, part of the copper foil cannot be uniformly surface treated, thereby affecting the quality of the final product, thereby causing the problem of low efficiency; the scraped debris will fall into collection box 85, to avoid the debris everywhere, which needs the staff to spend additional time for cleaning.

[0026] As Figure 3 - Figure 5As shown, the side of the U-shaped frame 1 is provided with a knocking device 9, the knocking device 9 comprises an L-shaped plate 91, the side of the L-shaped plate 91 is fixedly connected on the side of the U-shaped frame 1, the inner wall of the L-shaped plate 91 is slidably connected with a U-shaped sliding plate 92, the inner wall of the U-shaped sliding plate 92 is fixedly connected with a plurality of knocking rods 93, the U-shaped sliding plate 92 and the L-shaped plate 91 are provided with springs 94, the scraper 84 is located on the movement track of the knocking rod 93, one side of the U-shaped sliding plate 92 is designed as a curved surface, and the curved surface of the U-shaped sliding plate 92 is located on the movement track of the track rod 82, the collecting box 85 is located below the U-shaped sliding plate 92, and the inclined surface of the scraper 84 is in contact with the top of the knocking rod 93;

[0027] According to the above structure, the movement of the track rod 82 drives the U-shaped sliding plate 92 to move downward, the downward movement of the U-shaped sliding plate 92 drives the knocking rod 93 to move downward, and the downward movement of the U-shaped sliding plate 92 also compresses the spring 94. When the track rod 82 moves to the right, the spring 94 is reset by its own elastic force, the reset of the spring 94 drives the reset of the U-shaped sliding plate 92, the reset of the U-shaped sliding plate 92 drives the reset of the knocking rod 93, the reset of the knocking rod 93 can knock the scraper 84, avoid the adhesion of debris on the surface of the scraper 84, cause the efficiency of scraping to be reduced, also affect the effect of pretreatment, and the debris after knocking also falls into the collecting box 85, avoid the debris everywhere.

[0028] The above only describes preferred embodiments of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specially described and limited, are implemented according to the conventional means in the art.

Claims

1. A pretreatment device for improving the adhesion of carbon-coated copper foil, characterized in that: The utility model provides a copper foil polishing device, including the U -shaped frame (1), the side fixed connection of U -shaped frame (1) has motor no. (2), the output shaft fixed connection of motor no. (2) has the pivot (3), the circumferential surface fixed connection of pivot (3) has the friction roller (4), the side fixed connection of U -shaped frame (1) has motor no. (5), the output shaft fixed connection of motor no. (5) has the rotating rod (6), the circumferential surface fixed connection of rotating rod (6) has the polishing roller (7), the side of U -shaped frame (1) is provided with the scraping device (8) for avoiding copper foil adhesion, the scraping device (8) includes the connecting block (81), the side fixed connection of connecting block (81) is in the side of U -shaped frame (1), the side of connecting block (81) is penetrated and has the track bar (82) sliding, the circumferential surface of rotating rod (6) is opened the track groove (83), the side fixed connection of track bar (82) has the scraper (84), the side fixed connection of U -shaped frame (1) has the collection box (85).

2. The pretreatment device for improving the adhesion of carbon-coated copper foil according to claim 1, characterized in that: The end of the track bar (82) away from the connecting block (81) is designed as a ball shape, and the ball-shaped end of the track bar (82) is in contact with the inner wall of the track groove (83).

3. The pretreatment device for improving the adhesion of carbon-coated copper foil according to claim 1, characterized in that: The scraper (84) is designed as a triangle shape, and the inclined surface of the scraper (84) is in contact with the outer wall of the polishing roller (7).

4. The pretreatment device for improving the adhesion of carbon-coated copper foil according to claim 1, characterized in that: The side of the U-shaped frame (1) is provided with a knocking device (9), the knocking device (9) includes an L-shaped plate (91), the side of the L-shaped plate (91) is fixedly connected to the side of the U-shaped frame (1), the inner wall of the L-shaped plate (91) is slidingly connected to a U-shaped sliding plate (92), the inner wall of the U-shaped sliding plate (92) is fixedly connected to a plurality of knocking rods (93), and a spring (94) is arranged between the U-shaped sliding plate (92) and the L-shaped plate (91).

5. The pretreatment device for improving the adhesion of carbon-coated copper foil according to claim 4, characterized in that: The scraper (84) is located on the motion track of the knocking rod (93), one side of the U-shaped sliding plate (92) is designed as a curved surface, and the curved surface of the U-shaped sliding plate (92) is located on the motion track of the track bar (82).

6. The pretreatment device for improving the adhesion of carbon-coated copper foil according to claim 4, characterized in that: The collection box (85) is located below the U-shaped sliding plate (92), and the inclined surface of the scraper (84) is in contact with the top of the knocking rod (93).

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