Cathode roller grinding and polishing device

By designing a cathode roller polishing device, the surface of the cathode roller is polished by the rotation and reciprocating motion of the polishing brush roller, which solves the problem of crystal formation and corrosion of the cathode roller in copper sulfate electrolyte and ensures the quality of copper foil.

CN223519391UActive Publication Date: 2025-11-07HUBEI CREATWELL COPPER FOIL CO LTD
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Patent Information

Application Number
CN202423086042.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-07
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

In existing technologies, prolonged immersion of the cathode roller in copper sulfate electrolyte can lead to the formation of copper sulfate crystals and corrosion, affecting the quality of the copper foil.

Method used

A cathode roller polishing device was designed, including a polishing brush roller and a drive assembly. The contact and separation of the polishing brush roller and the cathode roller are realized by the movable setting of the base. The surface of the cathode roller is polished by the rotation and reciprocating motion of the polishing brush roller to maintain its smoothness.

Benefits of technology

This effectively avoids the influence of copper sulfate crystallization on the surface of the cathode roller, ensuring the quality of the copper foil and improving the surface smoothness of the cathode roller.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cathode roller grinding and polishing device which comprises an electrolytic bath, a cathode roller, a base body, a polishing brush roller and a first driving assembly. The cathode roller is rotationally mounted on the electrolytic bath; the base body is arranged in the electrolytic bath, the base body and the cathode roller are arranged in a spaced mode in the first direction, and the base body is movably arranged in the first direction, so that the base body has a polishing state close to the cathode roller and an avoiding state away from the cathode roller under driving of external force; the polishing brush roller is rotationally mounted on the seat body; the first driving assembly is connected with the polishing brush roller, in the polishing state, the polishing brush roller abuts against the cathode roller, the first driving assembly drives the polishing brush roller to rotate, and the rotating direction of the first driving assembly is opposite to that of the cathode roller. The surface of the cathode roller is polished through the polishing brush roller, so that the surface smoothness of the cathode roller is guaranteed, and the quality of copper foil is prevented from being affected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to copper foil production equipment technical field, concretely relates to a kind of cathode roller polishing device. BACKGROUND

[0002] The manufacturing process of electrolytic copper foil mainly has four processes, including copper dissolving, foil making, post-processing and slitting process. Among them, the foil making process refers to that the cathode roller is in the electrolytic cell, the copper sulfate electrolyte is deposited on the surface of the cathode roller under the action of direct current to make the original foil, and the copper foil is continuously stripped and wound to form a roll-shaped copper foil through the continuous rotation of the cathode roller and the stripping roller. The cathode roller is an important carrier for the generation of electrolytic copper foil and the transmission of cathode current in the process of electrolytic copper foil equipment.

[0003] Patent CN215856385U discloses a kind of foil making machine of anti-scratching cathode roller for electrolytic copper foil production, including: the protective cover is arranged on foil making machine main body, the foil making machine main body includes anode tank, first guide wheel, second guide wheel and winding roller, third guide wheel is arranged in the protective cover;The protective cover is provided with extrusion mechanism, and the extrusion mechanism includes moving rod, extrusion block, extension spring, extrusion wheel, two positioning blocks, limit sliding block and rubber sleeve.

[0004] However, in the above prior art, the cathode roller is immersed in the copper sulfate electrolyte for a long time, which will generate copper sulfate crystals and be corroded over time, affecting the quality of the copper foil. UTILITY MODEL CONTENT

[0005] The utility model aims to overcome the above technical deficiencies and provide a cathode roller polishing device to solve the technical problem that the quality of the copper foil is affected due to the long-term immersion of the cathode roller in the copper sulfate electrolyte.

[0006] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of cathode roller polishing device, including:

[0008] electrolytic cell;

[0009] cathode roller, which is rotatably installed in the electrolytic cell;

[0010] seat body, which is arranged in the electrolytic cell and spaced apart from the cathode roller along a first direction, is movably arranged along the first direction, and has a polishing state close to the cathode roller and an avoiding state away from the cathode roller under the driving of external force;

[0011] polishing brush roller, which is rotatably installed in the seat body;And

[0012] A first driving assembly is connected with the polishing brush roller, and drives the polishing brush roller to rotate in the opposite direction of the cathode roller in the polishing state.

[0013] In some embodiments, the polishing brush roller is movably arranged along the axial direction thereof.

[0014] The cathode roller polishing device further comprises a second driving assembly connected with the polishing brush roller to drive the polishing brush roller to reciprocate along the axial direction thereof.

[0015] In some embodiments, one end of the polishing brush roller is provided with external splines.

[0016] The first driving assembly comprises a connecting shaft and a first motor, the connecting shaft is rotatably installed on the seat body and coaxially arranged with the polishing brush roller, one end of the connecting shaft is provided with a spline hole, the spline hole is splined with the polishing brush roller, and the other end of the connecting shaft is connected with the main shaft of the first motor.

[0017] In some embodiments, the other end of the polishing brush roller is circumferentially provided with an annular groove.

[0018] The second driving assembly comprises a rotating shaft, an eccentric wheel and a driving part, the rotating shaft is rotatably installed on the seat body along the axis in the first direction, the eccentric wheel is arranged at one end of the rotating shaft and is eccentrically arranged with the rotating shaft, the eccentric wheel is located in the annular groove, and the driving part is connected with the other end of the rotating shaft, wherein the first direction is perpendicular to the axial direction of the polishing brush roller.

[0019] In some embodiments, the driving part comprises two belt pulleys, a belt and a second motor, one of the two belt pulleys is arranged at the rotating shaft, the other belt pulley is rotatably installed on the seat body along the axis in the first direction and is connected with the second motor, and the belt connects the two belt pulleys.

[0020] In some embodiments, the seat body is slidably installed on the electrolytic tank.

[0021] The cathode roller polishing device further comprises a third driving assembly connected with the seat body to drive the electrolytic tank to slide.

[0022] In some embodiments, the cathode roller polishing device further comprises a cover plate arranged on the seat body and covering the polishing brush roller.

[0023] In some embodiments, one end of the cover plate is rotatably installed on the seat body.

[0024] In some embodiments, the cathode roller polishing device further comprises a spraying assembly arranged on the seat body, the spraying assembly being used for spraying purified water towards the polishing brush roller.

[0025] In some embodiments, the spraying assembly further comprises a dripping pipe, a water source device and a water pump, the dripping pipe being arranged on the cover plate, the dripping pipe being circumferentially provided with a plurality of dripping holes facing the polishing brush roller, one end of the dripping pipe being connected with the water source device through the water pump.

[0026] Compared with the prior art, the cathode roller polishing device provided by the utility model, when normally used, the seat body moves towards the direction away from the cathode roller, and is in the avoiding state, at this time, the cathode roller and the polishing brush roller are spaced apart and do not contact each other, when the cathode roller surface is attached with certain crystallization, the seat body moves towards the direction of the cathode roller, and is in the polishing state, at this time, the cathode roller contacts the polishing brush roller, meanwhile, the first driving assembly drives the polishing brush roller to rotate, and the rotating direction of the polishing brush roller is opposite to the rotating direction of the cathode roller, so that the cathode roller surface is polished through the polishing brush roller, thereby ensuring the surface smoothness of the cathode roller and avoiding affecting the quality of copper foil.

[0027] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, and the preferred embodiments of the utility model are described in detail below with the help of the drawings. The specific implementation of the utility model is given in detail by the following embodiments and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a top view of one embodiment of the cathode roller polishing device provided by the utility model;

[0029] Figure 2 is Figure 1 the front view of the cathode roller polishing device in figure 1;

[0030] Figure 3 is Figure 1 the top view of the first driving assembly in figure 1;

[0031] Figure 4 is Figure 1 the top view of the second driving assembly in figure 1.

[0032] EXPLANATION OF REFERENCE NUMERALS:

[0033] 1-electrolytic cell, 2-cathode roller, 3-seat body, 4-polishing brush roller, 41-annular groove, 5-first drive assembly, 51-connecting shaft, 52-first motor, 53-synchronous belt, 54-synchronous pulley, 6-second drive assembly, 61-rotating shaft, 62- eccentric wheel, 63-pulley, 64-belt, 65-second motor, 7-third drive assembly, 8-cover plate, 9-drip pipe. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0035] In order to solve the technical problem that the existing technology is affected by the quality of copper foil due to the fact that the cathode roller is soaked in copper sulfate electrolyte for a long time, copper sulfate crystals are generated and corroded, the utility model provides a cathode roller polishing device, the surface of the cathode roller is polished by the polishing brush roller, so that the surface finish of the cathode roller is ensured, and the quality of copper foil is avoided.

[0036] Please refer to Figure 1 , Figure 1 It is a structural schematic view of the cathode roller polishing device in an embodiment of the utility model.

[0037] The utility model provides a kind of cathode roller polishing device, including electrolytic cell 1, cathode roller 2, seat body 3, polishing brush roller 4 and first drive assembly 5;The cathode roller 2 is rotatably installed in the electrolytic cell 1;The seat body 3 is arranged in the electrolytic cell 1 and is spaced apart with the cathode roller 2 along the first direction, the seat body 3 is movably arranged along the first direction, so that the seat body 3 has the polishing state close to the cathode roller 2 and the avoidance state away from the cathode roller 2 under the driving of external force;The polishing brush roller 4 is rotatably installed in the seat body 3, and the first drive assembly 5 is connected with the polishing brush roller 4, in the polishing state, the polishing brush roller 4 is in contact with the cathode roller 2, and the first drive assembly 5 drives the polishing brush roller 4 to rotate and is opposite to the rotating direction of the cathode roller 2.

[0038] In the embodiment, in normal use, the seat body 3 moves towards the direction away from the cathode roller 2, and is in the avoiding state, at this time, the cathode roller 2 and the polishing brush roller 4 are spaced apart and do not contact each other, when a certain crystallization is attached to the surface of the cathode roller 2, the seat body 3 moves towards the cathode roller 2, and is in the polishing state, at this time, the cathode roller 2 contacts the polishing brush roller 4, at the same time, the first driving assembly 5 drives the polishing brush roller 4 to rotate, and the rotating direction of the polishing brush roller 4 is opposite to the rotating direction of the cathode roller 2, so that the surface of the cathode roller 2 is polished by the polishing brush roller 4, thereby ensuring the surface finish of the cathode roller 2 and avoiding affecting the quality of the copper foil.

[0039] In the embodiment, the cathode roller 2 is rotatably installed on the electrolytic cell 1 along an axis in a second direction, and the polishing brush roller 4 is rotatably installed on the seat body 3 along an axis in the second direction, and the first direction and the second direction are perpendicular to each other.

[0040] In some embodiments, referring to Figure 1 and Figure 4 , the polishing brush roller 4 is movably arranged along the axial direction thereof; the cathode roller polishing device further comprises a second driving assembly 6 connected with the polishing brush roller 4 to drive the polishing brush roller 4 to reciprocate along the axial direction thereof.

[0041] In the embodiment, in order to further improve the polishing effect, the polishing brush roller 4 is movably installed on the seat body 3 along the axial direction thereof, that is, the polishing brush roller 4 can not only rotate along the axis in the first direction but also reciprocate along the second direction, thereby polishing and cleaning the cathode roller 2 through rotation and reciprocation, and enhancing the polishing and cleaning effect.

[0042] In some embodiments, referring to Figure 1 and Figure 3 , one end of the polishing brush roller 4 is provided with external splines; the first driving assembly 5 comprises a connecting shaft 51 and a first motor 52, the connecting shaft 51 is rotatably installed on the seat body 3 and coaxially arranged with the polishing brush roller 4, one end of the connecting shaft 51 is provided with a spline hole, the spline hole is splined with the polishing brush roller 4, and the other end of the connecting shaft 51 is connected with the main shaft of the first motor 52.

[0043] In the embodiment, since the polishing brush roller 4 can rotate and reciprocate along the axial direction thereof synchronously, in order to avoid interference between the rotation and the reciprocation, an outer spline is arranged at one end of the polishing brush roller 4, the connecting shaft 51 is rotatably arranged along the axis in the second direction on the seat body 3, one end of the connecting shaft 51 is provided with a spline hole, the spline hole is matched with the outer spline, the connecting shaft 51 is spline-connected with one end of the polishing brush roller 4, the first motor 52 is arranged on the seat body 3, and the main shaft of the first motor 52 is connected with the other end of the connecting shaft 51. Thus, the first motor 52 and the connecting shaft 51 can drive the polishing brush roller 4 to rotate, and the polishing brush roller 4 can reciprocate along the second direction relative to the connecting shaft 51 under the driving of the second driving assembly 6, so as to achieve the purpose of rotation and reciprocation of the polishing brush roller 4.

[0044] Specifically, the first driving assembly 5 further comprises a synchronous belt 53 and two synchronous pulleys 54, one of which is fixedly arranged on one end of the connecting shaft 51, and the other is arranged on the main shaft of the first motor 52. The synchronous belt 53 connects the two synchronous pulleys 54. By arranging the synchronous belt 53 and the synchronous pulleys 54, the transmission direction can be changed, and the length of the seat body 3 in the second direction can be reduced.

[0045] In some embodiments, referring to Figure 1 and Figure 4 , the other end of the polishing brush roller 4 is provided with an annular groove 41; the second driving assembly 6 comprises a rotating shaft 61, an eccentric wheel 62 and a driving part, the rotating shaft 61 is rotatably arranged along the axis in the first direction on the seat body 3, the eccentric wheel 62 is arranged on one end of the rotating shaft 61 and is eccentrically arranged with the rotating shaft 61, the eccentric wheel 62 is located in the annular groove 41, and the driving part is connected with the other end of the rotating shaft 61, wherein the first direction is perpendicular to the axial direction of the polishing brush roller 4.

[0046] In the embodiment, the first driving assembly 5 and the second driving assembly 6 are located on opposite sides of the polishing brush roller 4, the eccentric wheel 62 is circularly arranged, the connection position of the eccentric wheel 62 and the rotating shaft 61 is arranged offset from the center of the eccentric wheel 62, the middle part of the rotating shaft 61 is rotatably arranged along the axis in the first direction on the seat body 3, so as to drive the eccentric wheel 62 to rotate through the rotating shaft 61, the eccentric wheel 62 is matched with the annular groove 41, and the eccentric wheel 62 and the annular groove 41 form a cam structure, so as to drive the polishing brush roller 4 to reciprocate through the eccentric wheel 62.

[0047] In some embodiments, referring to Figure 1 andFigure 4 The driving part comprises two belt pulleys 63, a belt 64 and a second motor 65, the two belt pulleys 63 are arranged at intervals along the axis direction of the polishing brush roller 4, one of the belt pulleys 63 is arranged on the rotating shaft 61, the other belt pulley 63 is rotatably arranged on the base 3 along the axis in the first direction and is connected with the second motor 65, and the belt 64 connects the two belt pulleys 63.

[0048] In the embodiment, the belt pulleys 63 and the rotating shaft 61 are located on the side of the polishing brush roller 4 away from the cathode roller 2, the two belt pulleys 63 are arranged at intervals along the second direction, each belt pulley 63 is rotatably arranged on the base 3 along the axis in the first direction, the belt pulley 63 connects the two belt pulleys 63, one of the belt pulleys 63 is located on one end of the rotating shaft 61 and is fixedly connected with the rotating shaft 61, and the other belt pulley 63 is located on the main shaft of the second motor 65 and is fixedly connected with the main shaft of the second motor 65, so as to drive the rotating shaft 61 to rotate through the second motor 65 and the belt 64 mechanism, and thus the width of the base 3 can be reduced and space can be saved.

[0049] In some embodiments, referring to Figure 1 and Figure 2 , the base 3 is slidably arranged on the electrolytic cell 1; the cathode roller polishing and polishing device further comprises a third driving assembly 7 connected with the base 3 to drive the electrolytic cell 1 to slide.

[0050] In the embodiment, the base 3 is slidably arranged on the upper side of the electrolytic cell 1, and the third driving assembly 7 is an electric sliding table located between the base 3 and the electrolytic cell 1 to drive the base 3 to slide.

[0051] In some embodiments, referring to Figure 1 and Figure 2 , the cathode roller polishing and polishing device further comprises a cover plate 8 arranged on the base 3 and covering the polishing brush roller 4.

[0052] In the embodiment, when polishing and cleaning are performed, the crystallization polished out can splash outward, which has a potential safety hazard, and therefore the cover plate 8 is further arranged above the polishing brush roller 4, and the cover plate 8 can effectively block the splashing of the crystallization.

[0053] In some embodiments, referring to Figure 2 , one end of the cover plate 8 is rotatably arranged on the base 3.

[0054] In the embodiment, in order to facilitate installation and maintenance, the cover plate 8 is pivotally installed on the seat body 3 along the axis in the second direction away from one end of the polishing brush roller 4, so that the cover plate 8 can be flipped, when polishing is needed, the cover plate 8 is flipped downward to cover above the polishing brush roller 4 to prevent splashing, when maintenance is needed, the cover plate 8 is flipped upward to expose the polishing brush roller 4, which is beneficial to the maintenance of the polishing brush roller 4.

[0055] In some embodiments, the cathode roller polishing and grinding device further comprises a spraying assembly arranged on the seat body 3, and the spraying assembly is used for spraying pure water towards the polishing brush roller 4.

[0056] In the embodiment, in order to avoid a large amount of heat generated during polishing, the seat body 3 is further provided with a spraying assembly, and the spraying assembly can spray pure water to the spraying assembly to achieve the purposes of cooling and cleaning the polishing brush roller 4.

[0057] In some embodiments, referring to Figure 2 , the spraying assembly further comprises a dripping pipe 9, a water source device and a water pump, the dripping pipe 9 is arranged on the cover plate 8, the circumference of the dripping pipe 9 is provided with a plurality of dripping holes towards the polishing brush roller 4, one end of the dripping pipe 9 is connected with the water source device through the water pump.

[0058] In the embodiment, the dripping pipe 9 is arranged in the cover plate 8 and located inside the cover plate 8, the dripping pipe 9 is provided with a plurality of dripping holes in the second direction, one end of the dripping pipe 9 is blocked, and the other end is connected with the water pump through a hose, the water pump is connected with the water source device, so that the water pump pumps pure water into the dripping pipe 9.

[0059] In order to better understand the present application, the following will be combined Figures 1 to 4 to explain the technical scheme of the present application in detail:

[0060] In normal use, the third driving assembly 7 drives the seat body 3 to move towards the cathode roller 2, and the seat body 3 is in the avoiding state, at this time, the cathode roller 2 and the polishing brush roller 4 are spaced apart and do not contact each other, and the polishing brush roller 4 avoids interfering with the cathode roller 2. After the cathode roller 2 works for a period of time, the surface of the cathode roller 2 will be attached to a certain crystal, at this time, the third driving assembly 7 drives the seat body 3 to move towards the cathode roller 2, and the seat body 3 is in the polishing state, at this time, the cathode roller 2 is in contact with the polishing brush roller 4, the cover plate 8 is turned down and covers above the polishing brush roller 4, the water pump, the first motor 52 and the second motor 65 are started, the first motor 52 drives the polishing brush roller 4 to rotate, the second motor 65 drives the polishing brush roller 4 to reciprocate along the second direction, so that the surface of the cathode roller 2 is polished, and the surface finish of the cathode roller 2 is ensured, and the quality of the copper foil is avoided from being affected.

[0061] The specific implementation of the present application described above does not constitute a limitation on the scope of protection of the present application. Any other corresponding changes and modifications made according to the technical concept of the present application shall be included in the scope of protection of the claims of the present application.

Claims

1. A cathode roll polishing apparatus characterized by comprising: It includes: an electrolytic cell; a cathode roller rotatably installed in the electrolytic cell; a seat body arranged in the electrolytic cell and spaced apart from the cathode roller along a first direction, the seat body being movably arranged along the first direction to have a polishing state close to the cathode roller and an avoiding state away from the cathode roller under the driving of an external force; a polishing brush roller rotatably installed in the seat body; and a first driving assembly connected with the polishing brush roller, in the polishing state, the polishing brush roller abuts against the cathode roller, and the first driving assembly drives the polishing brush roller to rotate in the opposite direction of the cathode roller. The polishing brush roller is movably arranged along its axial direction.

2. The cathode roll polishing apparatus of claim 1, wherein The cathode roller polishing device further includes a second driving assembly connected with the polishing brush roller to drive the polishing brush roller to reciprocate along its axial direction. One end of the polishing brush roller is provided with external splines.

3. The cathode roll polishing apparatus of claim 2, wherein The first driving assembly includes a connecting shaft rotatably installed in the seat body and coaxially arranged with the polishing brush roller, one end of the connecting shaft is provided with a spline hole, the spline hole is splined with the polishing brush roller, and the other end of the connecting shaft is connected with the main shaft of the first motor. The other end of the polishing brush roller is circumferentially provided with an annular groove.

4. The cathode roll polishing apparatus of claim 3, wherein The second driving assembly includes a rotating shaft rotatably installed in the seat body along an axis in a first direction, an eccentric wheel arranged at one end of the rotating shaft and eccentrically arranged with the rotating shaft, the eccentric wheel being located in the annular groove, and a driving part connected with the other end of the rotating shaft, wherein the first direction is perpendicular to the axial direction of the polishing brush roller. The driving part includes two belt pulleys, a belt, and a second motor, the two belt pulleys are spaced apart along the axial direction of the polishing brush roller, one of the belt pulleys is arranged on the rotating shaft, the other belt pulley is rotatably installed in the seat body along an axis in the first direction and connected with the second motor, and the belt connects the two belt pulleys.

5. The cathode roll polishing apparatus of claim 4, wherein The seat body is slidably installed in the electrolytic cell.

6. The cathode roll polishing apparatus of claim 1, wherein The cathode roller polishing device further includes a third driving assembly connected with the seat body to drive the electrolytic cell to slide. The cathode roller polishing device further includes a cover plate arranged on the seat body and covering the polishing brush roller.

7. The cathode roll polishing apparatus of claim 1, wherein One end of the cover plate is rotatably installed in the seat body.

8. The cathode roll polishing apparatus of claim 7, wherein, The cathode roller polishing device further includes a spraying assembly arranged on the seat body, the spraying assembly is used for spraying pure water towards the polishing brush roller.

9. The cathode roll polishing apparatus of claim 7, wherein, The spraying assembly further includes a dripping pipe, a water source device, and a water pump, the dripping pipe is arranged on the cover plate, the dripping pipe is circumferentially provided with a plurality of dripping holes towards the polishing brush roller, and one end of the dripping pipe is connected with the water source device through the water pump.

10. The cathode roll polishing apparatus of claim 9, wherein, ​