Electrolytic copper foil production device

Abstract

The invention relates to the technical field of electrolytic copper foil preparation, and discloses an electrolytic copper foil production device which comprises a machining table, the top end of the machining table is fixedly connected with an electrolytic bath, and a cathode roller is arranged in the electrolytic bath; the circulating assembly comprises a cleaning part and a circulating box, the cleaning part is arranged in the electrolytic bath and used for cleaning the inner wall of the electrolytic bath, the circulating box is fixedly connected to the bottom end of the electrolytic bath and communicates with the electrolytic bath, and electrolyte at the bottom end of the electrolytic bath enters the circulating box and is input again from the top end of the electrolytic bath; the cleaning assembly comprises a cleaning part and a collecting part, the cleaning part is arranged on the machining table and used for cleaning the copper foil, and the collecting part is arranged on the cleaning part and used for collecting electrolyte on the copper foil and conveying the electrolyte into the circulating box; and the multi-stage filtering piece is arranged in the circulating box and is used for carrying out multi-stage filtering on the electrolyte entering the circulating box. Collection, filtration and recycling of the electrolyte are achieved, the purity and uniformity of the electrolyte are guaranteed, and then the quality of copper foil is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electrolytic copper foil preparation, and particularly relates to an electrolytic copper foil production device. BACKGROUND

[0002] The electrolytic copper foil is an important material for manufacturing copper-clad plate, printed circuit board and lithium ion battery. In the rapid development of the electronic information industry, the electrolytic copper foil is called the nerve network for signal and power transmission and communication of electronic products.

[0003] The purity and uniformity of the electrolyte directly affect the surface quality and physical properties of the copper foil. The traditional electrolysis device has the following defects: impurity particles in the electrolyte are easy to deposit at the bottom of the electrolysis tank, resulting in defects such as pinholes and pockmarks on the surface of the copper foil; the electrolyte circulation is insufficient, and local concentration difference causes uneven thickness of the copper foil; the filtering system has low efficiency, frequent shutdown for cleaning is required, and the production continuity is affected.

[0004] Therefore, an electrolytic copper foil production device is needed to solve the above problems. SUMMARY

[0005] The present application aims to provide an electrolytic copper foil production device to solve the problems existing in the prior art.

[0006] To achieve the above-mentioned purpose, the present application provides the following scheme: the present application provides an electrolytic copper foil production device, comprising: a processing table, a top end of which is fixedly connected with an electrolysis tank, a cathode roller is arranged in the electrolysis tank;

[0007] A circulating assembly comprising a cleaning piece and a circulating box, the cleaning piece is arranged in the electrolysis tank for cleaning the inner wall of the electrolysis tank, the circulating box is fixedly connected to the bottom end of the electrolysis tank and communicates with the electrolysis tank, the electrolyte at the bottom end of the electrolysis tank enters the circulating box and is re-input from the top end of the electrolysis tank;

[0008] A cleaning assembly comprising a cleaning piece and a collecting piece, the cleaning piece is arranged on the processing table for cleaning the copper foil, and the collecting piece is arranged on the cleaning piece for collecting the electrolyte on the copper foil and conveying it into the circulating box;

[0009] A multi-stage filtering piece arranged in the circulating box for multi-stage filtering of the electrolyte entering the circulating box.

[0010] Preferably, the cleaning piece comprises an ear plate fixedly connected to the side wall of the electrolytic cell, two half gears are rotatably connected to the ear plate, a pneumatic cylinder is fixedly connected to the side wall of the electrolytic cell, a vertical scraper is fixedly connected to the output end of the pneumatic cylinder, two tooth plates are fixedly connected to the two sides of the vertical scraper, the two half gears are respectively engaged with the two tooth plates, a cleaning frame is fixedly connected to the half gears, and the cleaning frame is arranged in contact with the inner side wall of the electrolytic cell.

[0011] Preferably, the cleaning piece comprises a support frame fixedly connected to the processing table, rotating shafts are rotatably connected to the top and bottom of the support frame, one end of a plurality of first connecting rods is fixedly connected to the rotating shafts in a circumferential direction, fixed frames are fixedly connected to the other ends of the first connecting rods, cleaning sponges are fixedly connected to the fixed frames, and a copper foil is located between the two rotating shafts and arranged in contact with the top end and the bottom end of the copper foil respectively by the two cleaning sponges on the two rotating shafts.

[0012] Preferably, the collecting piece comprises two vertical sliding grooves opened in the top and bottom of the side wall of the support frame, a sliding block is slidably connected to the vertical sliding grooves, one end of a second connecting rod is fixedly connected to the sliding block, and a squeezing frame is fixedly connected to the other end of the second connecting rod.

[0013] Preferably, a bidirectional screw rod is rotatably connected to the support frame, and the two ends of the bidirectional screw rod are located in the two vertical sliding grooves respectively, and the sliding block is threadedly connected with the bidirectional screw rod.

[0014] Preferably, the multi-stage filtering piece comprises three installation frames, the three installation frames are installed in the circulating tank in a vertical direction, a metal filter screen is fixedly connected to the uppermost installation frame, a fiber filter core is fixedly connected to the middle installation frame, and an ion exchange resin module is fixedly connected to the lowermost installation frame.

[0015] Preferably, the anti-blocking piece is arranged in the circulating tank, the anti-blocking piece comprises a scraper located at the top end of the metal filter screen, an electric telescopic rod is fixedly connected to the circulating tank, the telescopic end of the electric telescopic rod is fixedly connected with the scraper, a connecting frame is fixedly connected to the scraper, two cleaning rollers are rotatably connected to the bottom end of the connecting frame, and the cleaning rollers are located at the bottom end of the metal filter screen for cleaning the metal filter screen.

[0016] Preferably, a plurality of cleaning protrusions are arranged on the cleaning roller, the cleaning protrusions are matched with the mesh holes of the metal filter screen, a driving gear is fixedly connected to the central shaft of the cleaning roller, a driving tooth plate is fixedly connected to the inner side wall of the circulating tank, and the driving gear is engaged with the driving tooth plate.

[0017] Preferably, the cleaning frame is provided with an ultrasonic oscillator.

[0018] Preferably, the fixing frame is in V-shaped structure, the opening end of the V-shaped fixing frame on the upper rotating shaft faces the rotating shaft, and the tip of the V-shaped fixing frame on the lower rotating shaft faces the rotating shaft.

[0019] Compared with the prior art, the present application has the following advantages and technical effects:

[0020] The electrolytic copper foil production device provided by the present application has the following advantages: the cathode roller is located in the electrolyte for copper foil preparation, the prepared copper foil is conveyed through the guide roller, the electrolyte on the copper foil is cleaned through the cleaning piece arranged in the conveying process, the cleaned electrolyte is collected through the collecting piece and conveyed to the circulating tank, the inner side wall of the electrolytic tank is cleaned through the cleaning piece arranged at regular intervals, the electrolyte containing impurities is conveyed to the circulating tank, the collected electrolyte is filtered through the multi-stage filtering piece, and the filtered electrolyte is conveyed to the electrolytic tank again, so that the collection, filtration and recycling of the electrolyte are realized, the purity and uniformity of the electrolyte are ensured, and the quality of the copper foil is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings:

[0022] Figure 1 It is an internal structure schematic view of the electrolytic tank and the circulating tank of the present application;

[0023] Figure 2 It is a partial enlarged view of A in the present application; Figure 1

[0024] Figure 3 It is a partial enlarged view of B in the present application; Figure 1

[0025] Figure 4 It is a structure schematic view of the cleaning piece of the present application;

[0026] Figure 5 It is a partial enlarged view of C in the present application; Figure 4

[0027] It is a structure schematic view of the cleaning assembly of the present application; Figure 6

[0028] ​​​Wherein, 1, processing platform; 2, electrolytic cell; 3, cathode roller; 4, circulating tank; 5, ear plate; 6, half gear; 7, air cylinder; 8, vertical scraper; 9, toothed plate; 10, cleaning frame; 11, support frame; 12, rotating shaft; 13, first connecting rod; 14, fixed frame; 15, cleaning sponge; 16, vertical chute; 17, sliding block; 18, second connecting rod; 19, extrusion frame; 20, two-way threaded rod; 21, mounting frame; 22, metal filter screen; 23, fiber filter element; 24, ion exchange resin module; 25, scraper; 26, electric telescopic rod; 27, connecting frame; 28, cleaning roller; 29, motor; 30, drive gear; 31, drive toothed plate. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0030] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0031] A surface treatment device for electrolytic copper foil production is disclosed in the related art. The present application relates to the technical field of electrolytic copper foil production and processing equipment, and comprises a base, two U-shaped frames are fixedly connected to the rear part of the upper end face of the base and are left-right symmetrical, a first mounting frame is fixedly connected to the front end face of each of the two U-shaped frames, a mounting hoop is clamped to the outer wall of the mounting cylinder through a clamping unit, the two ends of the mounting hoop are clamped to each other through a splicing assembly, and a sponge wiping plate is fixedly connected to the outer wall of the mounting hoop. In the above-mentioned related patent, the sponge wiping plate can uniformly contact the surface of the copper foil when wiping the surface of the copper foil, thereby avoiding scratching the surface of the copper foil. Through the cooperation of the splicing assembly and the clamping unit, the mounting hoop can be disassembled from the mounting cylinder and a new sponge wiping plate can be replaced after long-term use of the sponge wiping plate, thereby facilitating the replacement of the sponge wiping plate. Through the cooperation of the communication pipe, the first circular pipe, the second circular pipe, the valve assembly, the jacking assembly, the pump body and the vertical pipe, copper powder on the surface of the copper foil can be removed by the sponge wiping plate at the same time as the copper powder is sucked into the second circular pipe and the first circular pipe, and then the copper powder is transported to the collection box through the communication pipe and the vertical pipe, so that the removed copper powder can be collected in time and reused conveniently.

[0032] The related technology discloses an electrolyte cleaning device for copper foil production, which comprises a cleaning tank, a scraping mechanism, a cleaning mechanism, an auxiliary roller and a transmission roller, scraping mechanisms are arranged on the front and rear inner walls of the cleaning tank, the cleaning mechanism is arranged above the scraping mechanisms, and the cleaning mechanism is fixedly connected with the upper end of the cleaning tank.The present application can solve the problem that the existing device directly places the copper foil in water for cleaning when cleaning the copper foil produced by electrolysis, and the surface of the cleaned copper foil is easy to have residual attachments, which reduces the cleanliness of the surface of the copper foil.The cleaning mechanism and the scraping mechanism in the above-mentioned related patent can clean the surface of the copper foil repeatedly, thereby improving the cleanliness of the surface of the copper foil, and can avoid scratches on the copper foil when cleaning the surface of the copper foil, thereby ensuring the integrity of the copper foil.

[0033] Although the above-mentioned related patent can clean the copper foil, the electrolyte cannot be collected and recycled, and the structure for circulating and filtering the electrolyte in the electrolytic tank is not disclosed, so the recycling of the electrolyte cannot be realized.In order to solve the above-mentioned problems, the present application provides the following solutions:

[0034] Reference Figures 1-6 The present application provides an electrolytic copper foil production device, comprising: a processing table 1, a top end fixedly connected with an electrolytic tank 2, the electrolytic tank 2 is provided with a cathode roller 3;

[0035] A circulating assembly, comprising a cleaning piece and a circulating box 4, the cleaning piece is arranged in the electrolytic tank 2 for cleaning the inner wall of the electrolytic tank 2, the circulating box 4 is fixedly connected at the bottom end of the electrolytic tank 2 and communicates with the electrolytic tank 2, the electrolyte at the bottom end of the electrolytic tank 2 enters the circulating box 4 and is re-input from the top end of the electrolytic tank 2;

[0036] A cleaning assembly, comprising a cleaning piece and a collecting piece, the cleaning piece is arranged on the processing table 1 for cleaning the copper foil, and the collecting piece is arranged on the cleaning piece for collecting the electrolyte on the copper foil and conveying into the circulating box 4;

[0037] A multi-stage filtering piece is arranged in the circulating box 4 for multi-stage filtering of the electrolyte entering the circulating box 4.

[0038] In an embodiment of the present application, in use, the cathode roller 3 is located in the electrolyte for copper foil preparation, the prepared copper foil is conveyed through the guide roller, the electrolyte on the copper foil is cleaned through the arranged cleaning piece during the conveying process, the cleaned electrolyte is collected through the collecting piece and conveyed into the circulating box 4, the inner wall of the electrolytic tank 2 is cleaned through the arranged cleaning piece at regular intervals, the electrolyte containing impurities is conveyed into the circulating box 4, the collected electrolyte is multi-stage filtered through the arranged multi-stage filtering piece, and the filtered electrolyte is re-conveyed into the electrolytic tank 2, so that the collection, filtering and recycling of the electrolyte are realized, the purity and uniformity of the electrolyte are ensured, and the quality of the copper foil is ensured.

[0039] As an optional implementation, the cleaning member includes an ear plate 5 fixedly connected to the side wall of the electrolytic tank 2, two half gears 6 rotatably connected to the ear plate 5, a pneumatic cylinder 7 fixedly connected to the side wall of the electrolytic tank 2, a vertical scraper 8 fixedly connected to the output end of the pneumatic cylinder 7, and two toothed plates 9 fixedly connected to the two sides of the vertical scraper 8. The two half gears 6 are respectively engaged with the two toothed plates 9. A cleaning frame 10 is fixedly connected to the half gears 6, and the cleaning frame 10 is arranged in contact with the inner side wall of the electrolytic tank 2.

[0040] In an embodiment of the present application, the toothed plates 9 are moved by the pneumatic cylinder 7, and the toothed plates 9 drive the cleaning frame 10 to rotate to clean the inner side wall of the electrolytic tank 2.

[0041] Specifically, the cleaning frame 10 is an elastic cleaning frame, which ensures stable contact between the cleaning frame 10 and the inner side wall of the electrolytic tank 2 during rotation.

[0042] As an optional implementation, the cleaning member includes a support frame 11 fixedly connected to the processing table 1, two rotating shafts 12 rotatably connected to the top and bottom of the support frame 11, a plurality of first connecting rods 13 fixedly connected to the rotating shafts 12, a fixed frame 14 fixedly connected to the other end of the first connecting rods 13, a cleaning sponge 15 fixedly connected to the fixed frame 14, and a copper foil located between the two rotating shafts 12, and the two cleaning sponges 15 on the two rotating shafts 12 are arranged in contact with the top end and the bottom end of the copper foil, respectively.

[0043] In an embodiment of the present application, the rotating shafts 12 are controlled by a separate driving motor (not shown in the figure). When the rotating shafts 12 rotate, the cleaning sponges 15 are controlled by the first connecting rods 13 to contact the copper foil to clean the copper foil. The cleaning sponges 15 are replaced by rotating the rotating shafts 12 as the electrolyte is absorbed, to ensure the absorption efficiency.

[0044] As an optional implementation, the collection member includes two vertical sliding grooves 16 opened in the top and bottom of the side wall of the support frame 11, a sliding block 17 slidably connected in the vertical sliding grooves 16, a second connecting rod 18 fixedly connected to one end of the sliding block 17, and an extrusion frame 19 fixedly connected to the other end of the second connecting rod 18. The shape of the extrusion frame 19 is the same as that of the fixed frame 14.

[0045] In an embodiment of the present application, the shape of the extrusion frame 19 is adapted to the shape of the fixed frame 14. The electrolyte absorbed by the cleaning sponge 15 is discharged and collected by the extrusion frame 19, and is then transported into the circulating tank 4 for recycling.

[0046] As an optional implementation, a bidirectional threaded rod 20 is rotatably connected to the support frame 11, the two ends of the bidirectional threaded rod 20 are respectively located in the two vertical sliding grooves 16, and the sliding block 17 is threadedly connected with the bidirectional threaded rod 20.

[0047] In one embodiment of the present application, one end of the bidirectional threaded rod 20 is fixedly connected with the output end of the motor 29. The bidirectional threaded rod 20 is driven to rotate by the motor 29, and when the bidirectional threaded rod 20 rotates, the two sliding blocks 17 are simultaneously driven to move towards the middle part, and then the two extrusion frames 19 simultaneously extrude the cleaning sponge 15.

[0048] As an optional embodiment, the multi-stage filtering member includes three mounting frames 21 which are vertically spaced and mounted in the circulating box 4. The mounting frame 21 at the uppermost layer is fixedly connected with a metal filter screen 22, the mounting frame 21 at the middle part is fixedly connected with a fiber filter core 23, and the mounting frame 21 at the lowermost layer is fixedly connected with an ion exchange resin module 24.

[0049] In one embodiment of the present application, a three-stage filtering is adopted. The first stage is the metal filter screen 22 with a mesh size of 50 μm, the second stage is the fiber filter core 23 with a mesh size of 10 μm, and the third stage is the ion exchange resin module 24. The three-stage filtering can remove particulate impurities and metal ion pollutants.

[0050] As an optional embodiment, an anti-blocking member is further included. The anti-blocking member is arranged in the circulating box 4 and includes a scraper 25 which is located at the top end of the metal filter screen 22. An electric telescopic rod 26 is fixedly connected to the circulating box 4, and the telescopic end of the electric telescopic rod 26 is fixedly connected with the scraper 25. A connecting frame 27 is fixedly connected to the scraper 25, and two cleaning rollers 28 are rotatably connected to the bottom end of the connecting frame 27. The cleaning rollers 28 are located at the bottom end of the metal filter screen 22 and are used to clean the metal filter screen 22.

[0051] In one embodiment of the present application, the scraper 25 is driven to move by the electric telescopic rod 26. When the scraper 25 moves, the filtered materials on the metal filter screen 22 are collected and cleaned. When the scraper 25 moves, the cleaning rollers 28 are driven to move. The cleaning rollers 28 are used to clean the clamped materials in the mesh holes of the metal filter screen 22. The cooperation of the two ensures the cleaning effect and avoids blockage.

[0052] As an optional embodiment, the cleaning roller 28 is provided with a plurality of cleaning protrusions which are matched with the mesh holes of the metal filter screen 22. A driving gear 30 is fixedly connected to the central shaft of the cleaning roller 28, and a driving toothed plate 31 is fixedly connected to the inner side wall of the circulating box 4. The driving gear 30 is engaged with the driving toothed plate 31.

[0053] In one embodiment of the present application, when the cleaning roller 28 moves transversely, the driving gear 30 and the driving toothed plate 31 are engaged to drive the cleaning roller 28 to rotate. When the cleaning roller 28 rotates, the cleaning protrusions are arranged to clean the clamped materials in the mesh holes of the metal filter screen 22, thereby avoiding blockage.

[0054] As an optional embodiment, an ultrasonic oscillator is mounted on the cleaning frame 10.

[0055] In one embodiment of the present application, the ultrasonic vibrator is set to cooperate with the mechanical cleaning of the cleaning frame 10 to ensure the cleaning effect of the precipitate.

[0056] As an optional implementation, the fixed frame 14 is in V-shaped structure, the opening end of the V-shaped fixed frame 14 on the upper rotating shaft 12 faces the rotating shaft 12, and the tip of the V-shaped fixed frame 14 on the lower rotating shaft 12 faces the rotating shaft 12.

[0057] In one embodiment of the present application, the fixed frame 14 is in V-shaped structure, and the size of the cleaning sponge 15 is smaller than that of the fixed frame 14. The cleaning sponge 15 is extruded by the corresponding extrusion frame 19, so that the electrolyte absorbed inside falls through the two ends of the V-shaped structure and is collected into the collection groove (not shown in the figure), and the electrolyte in the collection groove is transported into the circulating tank 4 for filtration.

[0058] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0059] The above-described embodiments are only used to describe the preferred modes of the present application, and do not limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements to the technical solutions of the present application made by those skilled in the art shall fall within the protection scope determined by the claims of the present application.

Claims

1. An electrolytic copper foil production device, characterized in that: include: A processing table (1) has an electrolytic cell (2) fixedly connected to its top end, wherein a cathode roller (3) is provided in the electrolytic cell (2); A circulation assembly, comprising a cleaning member and a circulation box (4), wherein the cleaning member is arranged in the electrolytic cell (2) and is used to clean the inner wall of the electrolytic cell (2), and the circulation box (4) is fixedly connected to the bottom end of the electrolytic cell (2) and communicated with the electrolytic cell (2), and the electrolyte at the bottom end of the electrolytic cell (2) enters the circulation box (4) and is re-input from the top end of the electrolytic cell (2); A cleaning component, comprising a cleaning part and a collecting part, wherein the cleaning part is arranged on the processing table (1) for cleaning the copper foil, and the collecting part is arranged on the cleaning part for collecting the electrolyte on the copper foil and transporting it to the circulation box (4); The multi-stage filter element is arranged in the circulation box (4) and is used for performing multi-stage filtration on the electrolyte entering the circulation box (4).

2. The electrolytic copper foil production device according to claim 1, characterized in that: The cleaning member comprises an ear plate (5) fixedly connected to the side wall of the electrolytic cell (2), two half gears (6) are rotatably connected to the ear plate (5), a cylinder (7) is fixedly connected to the side wall of the electrolytic cell (2), a vertical scraper (8) is fixedly connected to the output end of the cylinder (7), tooth plates (9) are fixedly connected to both sides of the vertical scraper (8), the two half gears (6) are respectively engaged with the two tooth plates (9), a cleaning frame (10) is fixedly connected to the half gear (6), and the cleaning frame (10) is arranged in contact with the inner side wall of the electrolytic cell (2).

3. The electrolytic copper foil production device according to claim 2, characterized in that: The cleaning part comprises a support frame (11) fixedly connected to the processing table (1), the top and bottom of the support frame (11) are rotatably connected to a rotating shaft (12), one end of a plurality of first connecting rods (13) are fixedly connected to the rotating shaft (12) along the circumferential direction, the other end of the first connecting rod (13) is fixedly connected to a fixed frame (14), a cleaning sponge (15) is fixedly connected inside the fixed frame (14), the copper foil is located between the two rotating shafts (12), and the two cleaning sponges (15) on the two rotating shafts (12) are respectively arranged in contact with the top and bottom ends of the copper foil.

4. The electrolytic copper foil production device according to claim 3, characterized in that: The collecting member comprises two vertical slide grooves (16) provided at the top and bottom of the side wall of the supporting frame (11); a slider (17) is slidably connected in the vertical slide groove (16); one end of a second connecting rod (18) is fixedly connected to the slider (17); the other end of the second connecting rod (18) is fixedly connected to an extrusion frame (19); the shape of the extrusion frame (19) is the same as that of the fixed frame (14).

5. The electrolytic copper foil production device according to claim 4, characterized in that: A bidirectional threaded rod (20) is rotatably connected to the support frame (11), and both ends of the bidirectional threaded rod (20) are respectively located in the two vertical sliding grooves (16), and the slider (17) is threadedly connected to the bidirectional threaded rod (20).

6. The electrolytic copper foil production device according to claim 1, characterized in that: The multi-stage filter element includes three installation frames (21), which are installed in the circulation box (4) at intervals along the vertical direction. The metal filter screen (22) is fixedly connected to the installation frame (21) at the top, the fiber filter element (23) is fixedly connected to the installation frame (21) at the middle, and the ion exchange resin module (24) is fixedly connected to the installation frame (21) at the bottom.

7. The electrolytic copper foil production device according to claim 6, characterized in that: The invention also includes an anti-blocking part, which is arranged in the circulation box (4). The anti-blocking part includes a scraper (25) located at the top of the metal filter (22). The circulation box (4) is fixedly connected with an electric telescopic rod (26). The telescopic end of the electric telescopic rod (26) is fixedly connected to the scraper (25). The scraper (25) is fixedly connected with a connecting frame (27). The bottom end of the connecting frame (27) is rotatably connected with two cleaning rollers (28). The cleaning rollers (28) are located at the bottom end of the metal filter (22) and are used to clean the metal filter (22).

8. The electrolytic copper foil production device according to claim 7, characterized in that: The cleaning roller (28) is provided with a plurality of cleaning protrusions, and the cleaning protrusions are adapted to the mesh of the metal filter (22). A driving gear (30) is fixedly connected to the central axis of the cleaning roller (28), and a driving tooth plate (31) is fixedly connected to the inner wall of the circulation box (4), and the driving gear (30) is meshed with the driving tooth plate (31).

9. The electrolytic copper foil production device according to claim 2, characterized in that: An ultrasonic oscillator is installed on the cleaning frame (10).

10. The electrolytic copper foil production device according to claim 3, characterized in that: The fixed frame (14) is a V-shaped structure, wherein the V-shaped opening end of the fixed frame (14) located on the upper rotating shaft (12) faces the rotating shaft (12), and the V-shaped tip of the fixed frame (14) located on the lower rotating shaft (12) faces the rotating shaft (12).

Images