Electroplating device of gravure cylinder

By introducing a stirring motor and a stirring rod into the gravure printing drum electroplating device, the plating solution is agitated, and the problem of uneven diffusion speed of metal ions is solved, and the uniformity of ion concentration in the liquid and the improvement of electroplating quality is achieved.

CN222476805UActive Publication Date: 2025-02-14HANGZHOU YUNJIN SPECIAL PLATE CO LTD
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Patent Information

Application Number
CN202421042091.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-14
Publication Date
2025-02-14
Estimated Expiration
2034-05-14

AI Technical Summary

Technical Problem

In the existing gravure printing cylinder electroplating device, the diffusion rate of metal ions is uneven, resulting in uneven ion concentration in the liquid, affecting the plating quality.

Method used

An electroplating device including an electroplating tank and an electroplating assembly is designed. The electroplating assembly includes a support frame, a hydraulic cylinder, a lifting frame, a clamping member, a stirring shaft, a stirring rod and a stirring motor. The plating solution is stirred by a stirring motor. , ensure uniform mixing of chemicals.

Benefits of technology

The plating solution is stirred by agitating the plating solution through the stirring motor, which solves the problem of uneven diffusion speed of metal ions, ensures the uniformity of ion concentration in the liquid, and improves the plating quality and process stability.

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Abstract

The utility model relates to the technical field of gravure printing, in particular to an electroplating device of a gravure cylinder, which comprises an electroplating bath and an electroplating component, the electroplating component comprises a support frame, a hydraulic cylinder, a lifting frame, a clamping component, a stirring shaft, a stirring rod and a stirring motor, the support frame is fixedly connected with the electroplating bath and positioned on one side of the electroplating bath, the hydraulic cylinder is mounted on the support frame, and the lifting frame is mounted on the lifting frame. The lifting frame is fixedly connected with the output end of the hydraulic cylinder, the clamping component is installed on the lifting frame, the stirring motor is fixedly connected with the electroplating bath and located on one side of the electroplating bath, the stirring shaft is rotationally connected with the electroplating bath and fixedly connected with an output shaft of the stirring motor, and the stirring rod is fixedly installed on the stirring shaft. The problem that the electroplating quality is affected due to the fact that the diffusion speed of metal ions in the electroplating process is possibly uneven and the ion concentration in liquid is prone to being uneven is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of gravure printing, in particular to an electroplating device for a gravure printing cylinder. Background Art

[0002] Copper plating is a key process in gravure processing, and its quality directly affects the processing quality of gravure. The currently used gravure cylinders are usually hollow gravure cylinders. In the process of surface nickel plating, surface copper plating and surface chrome plating of hollow gravure cylinders, the following points need to be guaranteed: good conductivity needs to be maintained between the conductive rod and the cylinder; the tooling used to support the cylinder has good sealing properties to prevent the plating solution in the electroplating tank from penetrating; the tooling supporting the cylinder has good supporting force.

[0003] Prior art CN208279711 U discloses an electroplating device for a hollow gravure roller, comprising an electroplating tank, two conductive rod assemblies for supporting the roller and disposed on both sides of the electroplating tank, the conductive rod assembly comprising at least a conductive rod and an insulating sleeve sleeved on the outside of one end of the conductive rod, the conductive rod assembly is connected to the roller via a connecting assembly, the connecting assembly comprising a head conductive ring for connecting the conductive rod and the roller, and a first insulating sealing ring sleeved on the outside of the insulating sleeve and the head conductive ring, a sealing ring assembly for preventing electroplating liquid from penetrating is provided between the first insulating sealing ring, the insulating sleeve and the head conductive ring, the electroplating device further comprising an adjusting device for adjusting the conductive rod to extend in or out along its axial direction, the electroplating device of the utility model has good sealing performance, high supporting force, good conductivity, stable quality, is very convenient to disassemble and assemble, and can effectively improve production efficiency.

[0004] In the electroplating device of the prior art gravure printing cylinder, since the diffusion rate of metal ions during the electroplating process may be uneven, uneven ion concentration in the liquid may occur easily, thereby affecting the electroplating quality. Utility Model Content

[0005] The utility model aims to provide an electroplating device for a gravure printing cylinder, which solves the problem that the diffusion speed of metal ions in the electroplating process may be uneven, which may easily lead to uneven ion concentration in the liquid, thereby affecting the electroplating quality.

[0006] To achieve the above-mentioned purpose, the utility model provides an electroplating device for a gravure roller, comprising an electroplating tank and an electroplating assembly, wherein the electroplating assembly comprises a support frame, a hydraulic cylinder, a lifting frame, a clamping member, a stirring shaft, a stirring rod and a stirring motor, wherein the support frame is fixedly connected to the electroplating tank and is located on one side of the electroplating tank, the hydraulic cylinder is installed on the support frame and is located on a side of the support frame close to the electroplating tank, the lifting frame is fixedly connected to the output end of the hydraulic cylinder, the clamping member is installed on the lifting frame, the stirring motor is fixedly connected to the electroplating tank and is located on one side of the electroplating tank, the stirring shaft is rotatably connected to the electroplating tank and is fixedly connected to the output shaft of the stirring motor, and the stirring rod is fixedly installed on the stirring shaft.

[0007] Wherein, the clamping member includes a control part, a guide rod, a first movable plate, a second movable plate, a first chuck, a second chuck and a driving part, the guide rod is fixedly connected to the lifting frame and is located inside the lifting frame; the first movable plate is sleeved on the outside of the guide rod and is slidably connected to the guide rod; the second movable plate is sleeved on the outside of the guide rod and is slidably connected to the guide rod; the first chuck is rotatably mounted on the first movable plate; the second chuck is rotatably mounted on the second movable plate; the control part drives the first movable plate and the second movable plate to move respectively; the driving part drives the first chuck to rotate.

[0008] Wherein, the control part includes a screw and a clamping motor, the screw is rotatably connected to the lifting frame and is threadedly connected to the first movable plate and the second movable plate respectively; the clamping motor is installed on the lifting frame; the output shaft of the clamping motor is fixedly connected to the screw.

[0009] Among them, the driving part includes a driven wheel, a driving motor, a driving wheel and a belt, the driven wheel is fixedly mounted on the first chuck; the driving motor is mounted on the first movable plate and is located on the side of the first movable plate close to the driven wheel; the driving wheel is fixedly connected to the output shaft of the driving motor; the belt connects the driving wheel and the driven wheel respectively.

[0010] Among them, the electroplating component guide cylinder and connecting rod, the guide cylinder is fixedly connected to the support frame and is located on a side of the support frame close to the lifting frame; the connecting rod is slidably connected to the guide cylinder and fixedly connected to the lifting frame.

[0011] The utility model discloses an electroplating device for a gravure printing roller, comprising an electroplating tank and an electroplating component, wherein the electroplating component comprises a support frame, a hydraulic cylinder, a lifting frame, a clamping member, a stirring shaft, a stirring rod and a stirring motor, wherein the support frame is fixedly connected to the electroplating tank and is located at one side of the electroplating tank, the hydraulic cylinder is mounted on the support frame and is located at a side of the support frame close to the electroplating tank, the lifting frame is fixedly connected to the output end of the hydraulic cylinder, the clamping member is mounted on the lifting frame, the stirring motor is fixedly connected to the electroplating tank and is located at one side of the electroplating tank, the stirring shaft is rotatably connected to the electroplating tank and is fixedly connected to the output shaft of the stirring motor, and the stirring rod is fixedly mounted on the stirring shaft, thereby solving the problem that the diffusion rate of metal ions in the electroplating process may be uneven, which may easily lead to uneven ion concentration in the liquid, thereby affecting the electroplating quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of the electroplating device of the gravure cylinder of the first embodiment of the utility model.

[0014] Figure 2 It is a structural schematic diagram of the driving part of the first embodiment of the utility model.

[0015] Figure 3 It is a schematic diagram of the overall structure of the electroplating device of the gravure cylinder of the second embodiment of the utility model.

[0016] In the figure: 101-electroplating tank, 102-support frame, 103-hydraulic cylinder, 104-lifting frame, 105-stirring shaft, 106-stirring rod, 107-stirring motor, 108-guide rod, 109-first movable plate, 110-second movable plate, 111-first chuck, 112-second chuck, 113-screw, 114-clamping motor, 115-driven wheel, 116-driving motor, 117-driving wheel, 118-belt, 201-guide cylinder, 202-guide rod. DETAILED DESCRIPTION

[0017] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0018] The first embodiment of the present application is:

[0019] See also Figure 1 and Figure 2 , Figure 1 It is a schematic diagram of the overall structure of the electroplating device of the gravure cylinder of the first embodiment of the utility model. Figure 2 This utility model Figure 1 A magnified image of Figure 3 It is a structural schematic diagram of the driving component of the first embodiment of the utility model.

[0020] The electroplating device of the gravure cylinder of the utility model comprises an electroplating tank 101, a support frame 102, a hydraulic cylinder 103, a lifting frame 104, a stirring shaft 105, a stirring rod 106, a stirring motor 107, a guide rod 108, a first movable plate 109, a second movable plate 110, a first chuck 111, a second chuck 112, a screw 113, a clamping motor 114, a driven wheel 115, a driving motor 116, a driving wheel 117, and a belt 118, which solves the problem that the diffusion rate of metal ions in the electroplating process may be uneven, which easily leads to uneven ion concentration in the liquid, thereby affecting the electroplating quality. It is understandable that the above scheme can also be used to improve the uniformity of the electroplating process.

[0021] In this embodiment, the top of the electroplating tank 101 is open and is used to load copper sulfate electroplating solution. The electroplating component is installed on the electroplating tank 101, thereby solving the problem that the diffusion rate of metal ions may be uneven during the electroplating process, which may easily lead to uneven ion concentration in the liquid and affect the electroplating quality.

[0022] The support frame 102 is fixedly connected to the electroplating tank 101 and is located on one side of the electroplating tank 101. The hydraulic cylinder 103 is installed on the support frame 102 and is located on the side of the support frame 102 close to the electroplating tank 101. The lifting frame 104 is fixedly connected to the output end of the hydraulic cylinder 103. The clamping member is installed on the lifting frame 104. The stirring motor 107 is fixedly connected to the electroplating tank 101 and is located on one side of the electroplating tank 101. The stirring shaft 105 is connected to the electroplating tank 101. 01 is rotatably connected and fixedly connected to the output shaft of the stirring motor 107. The stirring rod 106 is fixedly installed on the stirring shaft 105. The support frame 102 is a right-angle frame, which mainly plays a supporting role. The base of the hydraulic cylinder 103 is fixed to the support frame 102 by bolts, with the output end facing downward. The lifting frame 104 is U-shaped, with the opening direction facing downward, and is fixedly connected to the output end of the hydraulic cylinder 103. The lifting frame 104 can be driven to rise and fall by the extension and contraction of the hydraulic cylinder 103. The clamping member is installed in the The lifting frame 104 is lifted and lowered along with the lifting frame 104. The clamping member can clamp the gravure roller and drive the gravure roller to rotate to realize rotary electroplating, so that the gravure roller is evenly plated and the plating quality is improved. A mounting hole is provided on the side of the electroplating tank 101. The stirring shaft 105 extends into the electroplating tank 101 through the mounting hole and is connected to the electroplating tank 101 through a bearing. A sealing member is provided at the connection between the stirring shaft 105 and the electroplating tank 101 to prevent liquid from leaking out. The stirring rod 106 is used to stir the electroplating liquid in the electroplating tank 101. The stirring motor 107 is fixed to the side of the electroplating tank 101 by bolts, and is used to drive the stirring rod 106 to rotate. The electroplating liquid is stirred by the stirring rod 106, thereby promoting the uniform mixing of various chemical substances in the electroplating liquid, ensuring the stability and consistency of the electroplating process, and solving the problem that the diffusion rate of metal ions in the electroplating process may be uneven, which may easily lead to uneven ion concentration in the liquid, thereby affecting the electroplating quality.

[0023] Secondly, the guide rod 108 is fixedly connected to the lifting frame 104 and is located in the lifting frame 104; the first movable plate 109 is sleeved on the outside of the guide rod 108 and is slidably connected to the guide rod 108; the second movable plate 110 is sleeved on the outside of the guide rod 108 and is slidably connected to the guide rod 108; the first clamp 111 is rotatably mounted on the first movable plate 109; the second clamp 112 is rotatably mounted on the second movable plate 110; the control unit drives the first movable plate 109 and the second movable plate 110 to move respectively; the driving unit drives the first clamp 111 to rotate, the guide rod 108 is a smooth cylinder, which is horizontally arranged in the groove of the lifting frame 104, and the two ends are respectively connected to the inner wall of the lifting frame 104 to fix it, and the first movable plate 109 is provided with a through hole, and the first movable plate 109 is through the through hole The hole is sleeved on the guide rod 108 and can slide on the guide rod 108. The second movable plate 110 is the same as the first movable plate 109 and is installed on the guide rod 108 in the same way. The first movable plate 109 is provided with a mounting hole. The cross section of the first chuck 111 is T-shaped and passes through the mounting hole. It is connected to the first movable plate 109 through a bearing installation. The second chuck 112 is the same as the first chuck 111 and is installed on the second movable plate 110 in the same way. The first chuck 111 and the second chuck 112 are on the same axis. The control unit can drive the first movable plate 109 and the second movable plate 110 to move closer, so as to clamp the gravure cylinder. The driving unit can drive the first chuck 111 to rotate, so as to realize the rotation of the gravure cylinder. Through the clamping member, the gravure cylinder can be clamped and rotated.

[0024] At the same time, the screw 113 is rotatably connected to the lifting frame 104, and is threadedly connected to the first movable plate 109 and the second movable plate 110 respectively; the clamping motor 114 is installed on the lifting frame 104; the output shaft of the clamping motor 114 is fixedly connected to the screw 113, and a mounting hole is provided on the side of the lifting frame 104. The screw 113 passes through the mounting hole and is installed on the lifting frame 104 through a bearing. The first movable plate 109 and the second movable plate 110 are both provided with threaded through holes, and the screw 113 has a positive The positive thread and the negative thread are two opposite threads, which are symmetrically distributed at the two ends of the screw rod 113. The first movable plate 109 is sleeved on one end of the positive thread through the threaded through hole, and the second movable plate 110 is sleeved on one end of the negative thread through the threaded through hole. The clamping motor 114 is used to drive the screw rod 113 to rotate. The screw rod 113 is driven to rotate by the clamping motor 114, thereby driving the first chuck 111 and the second chuck 112 to move closer to each other, thereby clamping the gravure printing cylinder.

[0025] In addition, the driven wheel 115 is fixedly mounted on the first chuck 111; the driving motor 116 is mounted on the first movable plate 109 and is located on a side of the first movable plate 109 close to the driven wheel 115; the driving wheel 117 is fixedly connected to the output shaft of the driving motor 116; the belt 118 connects the driving wheel 117 and the driven wheel 115 respectively, the driven wheel 115 is sleeved on the first chuck 111, the driving motor 116 is fixed on the first movable plate 109 by bolts, the driving wheel 117 is sleeved on the output shaft of the driving motor 116, the belt 118 plays a role in transmitting kinetic energy, and the driving motor 116 has a matching controller, through which the driving motor 116 can be operated in a set direction, speed, and time, and the rotation of the gravure cylinder can be accurately controlled. The gravure cylinder can be driven to rotate by the action of the driving motor 116.

[0026] In this embodiment, when in use, the gravure roller is placed between the first chuck 111 and the second chuck 112, and the clamping motor 114 is controlled to move so that the first chuck 111 and the second chuck 112 are brought closer to each other until the gravure roller is clamped. Then, the hydraulic cylinder 103 is controlled to move so that the lifting frame 104 moves downward until the bottom of the gravure roller contacts the electroplating liquid, and the stirring motor 107 is started so that the stirring rod 106 continuously stirs the electroplating liquid. After that, the driving motor 116 is controlled to move so that the gravure roller rotates at a uniform speed. The stirring of the electroplating liquid by the stirring rod 106 can promote the uniform mixing of various chemical substances in the electroplating liquid, ensure the stability and consistency of the electroplating process, and solve the problem that the diffusion rate of metal ions in the electroplating process may be uneven, which may easily lead to uneven ion concentration in the liquid, thereby affecting the electroplating quality.

[0027] The second embodiment of the present application is:

[0028] See also Figure 3 , Figure 3 It is a schematic diagram of the overall structure of the electroplating device for the gravure roller of the second embodiment of the utility model. On the basis of the first embodiment, the electroplating device for the gravure roller of this embodiment further includes a guide cylinder 201 and a connecting rod 202 .

[0029] In this embodiment, the electroplating component guide cylinder 201 and the connecting rod 202 can improve the stability of the device through the above-mentioned solution.

[0030] Among them, the guide cylinder 201 is fixedly connected to the support frame 102 and is located on a side of the support frame 102 close to the lifting frame 104; the connecting rod 202 is slidably connected to the guide cylinder 201 and fixedly connected to the lifting frame 104. The guide cylinder 201 is a hollow cylinder, and there are two of them, which are respectively arranged on both sides of the hydraulic cylinder 103. The connecting rod 202 is a cylinder, one end of which extends into the guide cylinder 201 and is slidably connected to the guide cylinder 201, and the other end is fixedly connected to the top of the lifting frame 104. The connecting rod 202 moves with the movement of the lifting frame 104, thereby limiting the lifting and lowering of the lifting frame 104, reducing the shaking of the lifting frame 104 during lifting and lowering, and improving the stability of the device.

[0031] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. An electroplating device for a gravure cylinder, comprising an electroplating tank, characterized in that: Also included are electroplated components; The electroplating assembly includes a support frame, a hydraulic cylinder, a lifting frame, a clamping member, a stirring shaft, a stirring rod and a stirring motor. The support frame is fixedly connected to the electroplating tank and is located on one side of the electroplating tank. The hydraulic cylinder is installed on the support frame and is located on a side of the support frame close to the electroplating tank. The lifting frame is fixedly connected to the output end of the hydraulic cylinder. The clamping member is installed on the lifting frame. The stirring motor is fixedly connected to the electroplating tank and is located on one side of the electroplating tank. The stirring shaft is rotatably connected to the electroplating tank and is fixedly connected to the output shaft of the stirring motor. The stirring rod is fixedly installed on the stirring shaft.

2. The electroplating device for a gravure cylinder according to claim 1, characterized in that: The clamping member includes a control part, a guide rod, a first movable plate, a second movable plate, a first chuck, a second chuck and a driving part. The guide rod is fixedly connected to the lifting frame and is located inside the lifting frame; the first movable plate is sleeved on the outside of the guide rod and is slidably connected to the guide rod; the second movable plate is sleeved on the outside of the guide rod and is slidably connected to the guide rod; the first chuck is rotatably mounted on the first movable plate; the second chuck is rotatably mounted on the second movable plate; the control part drives the first movable plate and the second movable plate to move respectively; the driving part drives the first chuck to rotate.

3. The electroplating device for a gravure cylinder according to claim 2, characterized in that: The control unit includes a screw and a clamping motor. The screw is rotatably connected to the lifting frame and is threadedly connected to the first movable plate and the second movable plate respectively. The clamping motor is installed on the lifting frame. The output shaft of the clamping motor is fixedly connected to the screw.

4. The electroplating device for a gravure cylinder according to claim 2, characterized in that: The driving part includes a driven wheel, a driving motor, a driving wheel and a belt. The driven wheel is fixedly mounted on the first chuck; the driving motor is mounted on the first movable plate and is located on a side of the first movable plate close to the driven wheel; the driving wheel is fixedly connected to the output shaft of the driving motor; and the belt connects the driving wheel and the driven wheel respectively.

5. The electroplating device for a gravure cylinder according to claim 1, characterized in that: The electroplating component guide cylinder and the connecting rod, the guide cylinder is fixedly connected to the support frame and is located on a side of the support frame close to the lifting frame; the connecting rod is slidably connected to the guide cylinder and fixedly connected to the lifting frame.

Citation Information

Patent Citations

  • Electroplating device of hollow gravure cylinder

    CN208279711U