CN218910589U - Cathode moving device for electroplating - Google Patents

Cathode moving device for electroplating Download PDF

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Publication number
CN218910589U
CN218910589U CN202223149871.9U CN202223149871U CN218910589U CN 218910589 U CN218910589 U CN 218910589U CN 202223149871 U CN202223149871 U CN 202223149871U CN 218910589 U CN218910589 U CN 218910589U
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China
Prior art keywords
cathode
rod
moving
frame
groove
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CN202223149871.9U
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Chinese (zh)
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杨戬
杨安国
邹友才
杨秋语
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Lingyun Science and Technology Group Co Ltd
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Lingyun Science and Technology Group Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Abstract

The utility model discloses a cathode moving device for electroplating, which comprises a tank body, two supporting and limiting components, a moving frame, at least one cathode rod and a driving mechanism, wherein the two supporting and limiting components are respectively arranged on the outer sides of opposite side walls of the tank body; the two sides of the movable frame are respectively arranged on the corresponding supporting and limiting assemblies in a sliding manner and can move relative to the groove body, the movable frame is provided with a through groove for the groove body to pass through, and each cathode rod is arranged above the groove body and is arranged on the movable frame side by side along the moving direction perpendicular to the movable frame. The beneficial effects of the utility model are as follows: the device has the advantages that the bubble eliminating effect on the surface of a workpiece and the uniform effect on the solution concentration are improved, and a driving mechanism drives each cathode rod to synchronously move by driving the movement of the moving frame, so that a plurality of cathode rods are not required to be correspondingly provided with a plurality of cathode moving devices.

Description

Cathode moving device for electroplating
Technical Field
The utility model relates to the technical field of electroplating equipment, in particular to a cathode moving device for electroplating.
Background
The electroplating is to form a loop by an anode and a cathode in an electrolyte solution under the action of an electric field, so that metal ions in the solution are deposited on the surface of a cathode workpiece, and a metal coating is obtained on the surface of a material.
The existing cathode moving device (such as the cathode moving device for the electroplating tank disclosed in the application number 201210435459.5) can only drive a cathode workpiece to reciprocate along the length direction of a cathode rod, so that the bubble eliminating effect on the surface of the workpiece and the uniformity effect of solution concentration are limited, and meanwhile, one cathode rod is required to be matched with one set of cathode moving device.
Disclosure of Invention
The utility model aims to overcome the technical defects, and provides a cathode moving device for electroplating, which solves the technical problems that in the prior art, a cathode moving device can only drive a cathode workpiece to reciprocate along the length direction of a cathode rod, the bubble eliminating effect on the surface of the workpiece and the uniformity effect of solution concentration are limited, meanwhile, one cathode rod is required to be provided with one set of cathode moving device, if a plurality of cathode rods are arranged on the same plating tank, a plurality of sets of cathode moving devices are required to be arranged, the equipment mechanism is complex, and the operation and the maintenance are inconvenient.
In order to achieve the above technical object, the present utility model provides a cathode moving device for electroplating, comprising:
a tank body;
the two supporting and limiting assemblies are respectively arranged at the outer sides of the opposite side walls of the groove body;
the two sides of the moving frame are respectively arranged on the corresponding supporting and limiting assemblies in a sliding manner and can move relative to the groove body, and the moving frame is provided with a through groove for the groove body to pass through;
the cathode rods are arranged above the groove body and are arranged on the movable frame side by side along the moving direction perpendicular to the movable frame, and the cathode rods are used for hanging cathode workpieces to be electroplated;
the driving mechanism is connected with the movable frame and used for driving the movable frame to reciprocate on the supporting and limiting assembly.
Further, the support limiting component comprises a support, a plurality of lower mounting seats, upper mounting seats, a plurality of riding wheels and pressing wheels, wherein the support is arranged along the moving direction of the moving frame and is fixed on the frame, each lower mounting seat is arranged along the moving direction of the moving frame and is fixed on the support side by side, each upper mounting seat is arranged right above one lower mounting seat and is fixed on the lower mounting seat, each riding wheel is respectively and rotatably mounted on the corresponding lower mounting seat, the moving frame is slidably arranged on each riding wheel, the pressing wheels are arranged right above the riding wheels and rotatably mounted on the upper mounting seats, and the pressing wheels are used for being in sliding butt with the upper surfaces of the moving frame.
Further, the riding wheel comprises a roll shaft and two limiting plates, the two limiting plates are respectively fixed at two ends of the roll shaft, the diameter of each limiting plate is larger than that of the roll shaft, and the pressing wheel and the riding wheel are identical in structure.
Further, the movable frame comprises two cross bars, two longitudinal bars and at least two supporting seats, wherein the two cross bars are arranged side by side and are arranged on the roll shafts in a sliding mode, two side walls of the cross bars are respectively in sliding butt with the corresponding limiting plates, the two longitudinal bars are respectively arranged at two ends of the cross bars, two ends of the longitudinal bars are respectively fixedly connected with one end of the corresponding cross bars and are used for enclosing into the through grooves, and the supporting seats are respectively fixed on the corresponding cross bars side by side along the length direction of the cross bars.
Furthermore, the through groove is of a square structure, and the groove diameter of the through groove is larger than that of the groove body.
Further, the cathode moving device for electroplating further comprises at least two copper seats, each copper seat is respectively fixed on the corresponding supporting seat, each cathode rod is arranged along the length direction perpendicular to the transverse rod, and two ends of each cathode rod are respectively arranged on the corresponding copper seat.
Furthermore, the copper seat is provided with a V-shaped groove with an opening which is sequentially reduced from top to bottom, and two ends of the cathode rod are respectively clamped in the corresponding V-shaped grooves.
Further, the cathode moving device for electroplating further comprises a mounting frame, and the mounting frame is arranged on one side of the groove body along the length direction of the transverse rod.
Further, the actuating mechanism includes runner, connecting axle, traction assembly and rotation driving piece, the runner rotate install in on the mounting bracket, the connecting axle for the runner eccentric arrangement, and be fixed in on the runner, traction assembly's one end with connecting axle swing joint, the other end with the vertical pole swing joint of proximal end, rotation driving piece is fixed in on the mounting bracket, rotation driving piece's output with runner fixed connection is used for the drive the runner rotates.
Further, the traction assembly comprises two rod end joint bearings, a screw rod and two nuts, screw holes are formed in the rod ends of the rod end joint bearings, the bearing ends of the two rod end joint bearings are respectively movably connected with the corresponding connecting shaft and the longitudinal rod at the near end, the two ends of the screw rod are respectively in threaded connection with the corresponding screw holes, the two nuts are respectively in threaded sleeve connection with the two ends of the screw rod, and the nuts are respectively used for being in butt joint with the surfaces of the corresponding rod end joint bearings.
Compared with the prior art, the utility model has the beneficial effects that: when the cathode workpiece to be electroplated is hung on each cathode rod, the driving mechanism is controlled to drive the movable frame to move relative to the groove body and drive each cathode rod to move relative to the groove body, and each cathode rod is arranged along the moving direction perpendicular to the movable frame, so that each cathode workpiece can be driven to reciprocate along the length direction perpendicular to the cathode rod when the movable frame drives each cathode rod to reciprocate on the supporting and limiting assembly, the bubble eliminating effect on the surface of the workpiece and the uniform effect on the solution concentration are improved, a plurality of cathode rods can be arranged on the movable frame as required, and the movable frame is driven to synchronously move by one driving mechanism through the movement of the movable frame, so that a plurality of cathode rods are not required to be arranged to correspondingly configure a plurality of cathode moving devices, and the equipment mechanism is simpler and is more convenient to operate and maintain.
Drawings
FIG. 1 is a schematic view of a cathode moving device for electroplating according to the present utility model;
FIG. 2 is a left side view of a cathode moving device for electroplating of FIG. 1;
fig. 3 is an enlarged view at a in fig. 1;
fig. 4 is an enlarged view at B in fig. 2;
in the figure: 100-groove body, 200-supporting and limiting assembly, 210-bracket, 220-lower mounting seat, 230-upper mounting seat, 240-riding wheel, 241-roll shaft, 242-limiting disc, 250-pinch roller, 300-moving frame, 310-through groove, 320-cross bar, 330-longitudinal bar, 340-supporting seat, 400-cathode bar, 500-driving mechanism, 510-rotating wheel, 520-connecting shaft, 530-traction assembly, 531-bar end joint bearing, 532-screw rod, 533-nut, 540-rotation driving piece, 600-copper seat, 610-V-shaped groove and 700-mounting frame.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model provides a cathode moving device for electroplating, which has the structure shown in fig. 1 and 2 and comprises a tank body 100, two supporting and limiting assemblies 200, a moving frame 300, at least one cathode rod 400 and a driving mechanism 500, wherein the upper end of the tank body 100 is provided with an opening, and the two supporting and limiting assemblies 200 are respectively arranged on the outer sides of opposite side walls of the tank body 100; the two sides of the moving frame 300 are respectively slidably disposed on the corresponding supporting and limiting assemblies 200 and can move relative to the slot body 100, and the moving frame 300 has a through slot 310 for passing through above the slot body 100; each cathode rod 400 is disposed above the tank body 100 and is disposed on the moving frame 300 side by side along a moving direction perpendicular to the moving frame 300, and the cathode rods 400 are used for suspending cathode workpieces to be electroplated; the driving mechanism 500 is connected to the moving frame 300, and is used for driving the moving frame 300 to reciprocate on the supporting and limiting assembly 200.
When in use, the cathode workpieces to be electroplated are suspended on each cathode rod 400, the driving mechanism 500 is controlled to drive the moving frame 300 to move relative to the tank body 100 and drive each cathode rod 400 to move relative to the tank body 100, and each cathode rod 400 is arranged along the moving direction perpendicular to the moving frame 300, so that each cathode rod 400 can be driven to reciprocate along the length direction perpendicular to the cathode rods 400 when the moving frame 300 drives each cathode rod 400 to reciprocate on the supporting and limiting assembly 200, the bubble eliminating effect on the surfaces of the workpieces and the uniform effect on the solution concentration are improved, and meanwhile, a plurality of cathode rods 400 can be arranged on the moving frame 300 according to the requirement, and each cathode rod 400 is driven to synchronously move by one driving mechanism 500 through driving the moving frame 300.
As a preferred embodiment, please refer to fig. 2 and 3, the supporting and limiting assembly 200 includes a bracket 210, a plurality of lower mounting seats 220, an upper mounting seat 230, a plurality of supporting wheels 240 and a pressing wheel 250, wherein the bracket 210 is disposed along the moving direction of the moving frame 300 and is fixed on a rack, the rack is a rail column on the electroplating production line, each lower mounting seat 220 is disposed along the moving direction of the moving frame 300, and is fixed on the bracket 210 side by side, so as to dispose the supporting wheels 240 on each lower mounting seat 220, the upper mounting seat 230 is disposed directly above one lower mounting seat 220 and is fixed on the lower mounting seat 220, so as to dispose the pressing wheels 250 on the upper mounting seat 230, each supporting wheel 240 is rotatably mounted on the corresponding lower mounting seat 220, the moving frame 300 is slidably disposed on each supporting wheel 240, the pressing wheel 250 is disposed directly above the supporting wheels 240 and is rotatably mounted on the upper mounting seat 230, and the moving frame 300 is slidably abutted against the upper surface of the moving frame 300 in the vertical direction, so as to prevent the moving frame 300 from jumping vertically.
As a preferred embodiment, referring to fig. 3, the riding wheel 240 includes a roller shaft 241 and two limiting plates 242, the two limiting plates 242 are respectively fixed at two ends of the roller shaft 241, the diameter of the limiting plate 242 is larger than that of the roller shaft 241, and the pressing wheel 250 and the riding wheel 240 have the same structure for limiting the moving frame 300 in the horizontal direction, so as to avoid the left-right offset of the moving frame 300 during the moving process.
As a preferred embodiment, please refer to fig. 2, the moving frame 300 includes two cross bars 320, two longitudinal bars 330 and at least two supporting seats 340, the two cross bars 320 are disposed side by side and slidably disposed on the respective roller shafts 241, two side walls of the cross bars 320 are slidably abutted against the corresponding limiting plates 242, so that the limiting plates 242 implement a limiting effect on the cross bars 320 in a horizontal direction, the two longitudinal bars 330 are disposed at two ends of the cross bars 320, and two ends of the longitudinal bars 330 are fixedly connected with one ends of the corresponding cross bars 320, respectively, so as to enclose the through slots 310, thereby enabling the upper ends of the slots 100 to pass through the through slots 310, and each supporting seat 340 is fixed on the corresponding cross bar 320 side by side along the length direction of the cross bar 320, so as to mount the copper seat 600 on each supporting seat 340, and the height of the supporting seat 340 can be set according to practical situations, and the upper ends of the copper seat 600 on each supporting seat 340 need to be secured to be mounted on the top of the corresponding slots 100.
As a preferred embodiment, referring to fig. 1 and 2, the through groove 310 has a square structure, and the groove diameter of the through groove 310 is larger than the groove diameter of the groove body 100, so that the moving frame 300 can move relative to the groove body 100, the distance of the cathode workpiece moving is not required to be too long, and generally about 50mm to 150mm, and the groove diameter of the through groove 310 can be set according to the moving distance of the cathode workpiece.
As a preferred embodiment, referring to fig. 2 and 3, the cathode moving device for electroplating further includes at least two copper seats 600, each copper seat 600 is respectively fixed on the corresponding supporting seat 340, each cathode rod 400 is disposed along a length direction perpendicular to the cross rod 320, two ends of the cathode rod 400 are respectively disposed on the corresponding copper seats 600, and the copper seats 600 mainly play a role of placing the cathode rod 400 and conducting electricity.
As a preferred embodiment, referring to fig. 2, the copper base 600 has a V-shaped groove 610 with an opening that decreases from top to bottom, and two ends of the cathode rod 400 are respectively clamped in the V-shaped groove 610, so as to fix the cathode rod 400 more firmly, and prevent the cathode rod 400 from sliding out of the copper base 600 when moving along with the moving frame 300.
As a preferred embodiment, referring to the drawings, the cathode moving device for electroplating further includes a mounting frame 700, and the mounting frame 700 is disposed at one side of the tank body 100 along the length direction of the cross bar 320, so as to mount the driving mechanism 500 on the mounting frame 700.
As a preferred embodiment, please refer to fig. 2 and 4, the driving mechanism 500 includes a rotating wheel 510, a connecting shaft 520, a traction assembly 530 and a rotation driving member 540, the rotating wheel 510 is rotatably mounted on the mounting frame 700, the connecting shaft 520 is eccentrically disposed with respect to the rotating wheel 510 and is fixed on the rotating wheel 510, one end of the traction assembly 530 is movably connected with the connecting shaft 520, the other end is movably connected with the proximal longitudinal rod 330, the rotation driving member 540 is fixed on the mounting frame 700, the output end of the rotation driving member 540 is fixedly connected with the rotating wheel 510 and is used for driving the rotating wheel 510 to rotate, and by manipulating the rotation driving member 540, the rotation driving member 540 can drive the rotating wheel 510 to rotate and drive the connecting shaft 520 to rotate, so that the traction assembly 530 drives the moving frame 300 to reciprocate on the supporting wheel 240.
As a preferred embodiment, please refer to fig. 4, the traction assembly 530 includes two rod end joint bearings 531, a screw rod 532 and two nuts 533, the rod ends of the rod end joint bearings 531 are provided with screw holes, the bearing ends of the two rod end joint bearings 531 are respectively movably connected with the corresponding connecting shaft 520 and the proximal end of the longitudinal rod 330, the two ends of the screw rod 532 are respectively in threaded connection with the corresponding screw holes, the two nuts 533 are respectively in threaded sleeved connection with the two ends of the screw rod 532 and are respectively used for abutting against the surfaces of the corresponding rod end joint bearings 531, and the nuts 533 are provided by the threaded connection of the two ends of the screw rod 532, so that the fastening effect can be further improved, the two ends of the screw rod 532 are prevented from being moved out of the screw holes in a long-term moving process, the rod end joint bearings 531 are mainly used for avoiding hard connection, the traction assembly 530 is more flexible in moving, and the traction assembly 530 is improved in the applicability by adjusting the length of the screw rod end joint bearings 531.
For better understanding of the present utility model, the following details of the working principle of the technical solution of the present utility model are described with reference to fig. 1 to 4:
when in use, the cathode workpiece to be electroplated is suspended on each cathode rod 400, the rotating driving member 540 is controlled to drive the rotating wheel 510 to rotate and drive the connecting shaft 520 to rotate, so that the traction assembly 530 drives the movable frame 300 to move relative to the tank body 100 and drives each cathode rod 400 to move relative to the tank body 100, and because each cathode rod 400 is arranged along the moving direction perpendicular to the movable frame 300, the movable frame 300 can drive each cathode workpiece to reciprocate along the length direction perpendicular to the cathode rod 400 when driving each cathode rod 400 to reciprocate on each riding wheel 240, the bubble eliminating effect and the solution concentration uniformity effect on the surface of the workpiece are improved, and meanwhile, a plurality of cathode rods 400 can be arranged on the movable frame 300 according to the requirement, and the driving mechanism 500 drives each cathode rod 400 to synchronously move by driving the movable frame 300, so that the cathode rods 400 do not need to be arranged, and the cathode rods 400 are more simple in configuration, and the maintenance device is more convenient.
The cathode moving device for electroplating provided by the utility model has the following beneficial effects:
(1) The pressing wheel 250 is in sliding contact with the upper surface of the moving frame 300 to limit the moving frame 300 in the vertical direction, so as to prevent the moving frame 300 from jumping up and down in the moving process, and the limiting plates 242 arranged at two ends of the roller shaft 241 are used for limiting the moving frame 300 in the horizontal direction, so as to prevent the moving frame 300 from shifting left and right in the moving process;
(2) The structure of the traction assembly 530 is improved, the traction assembly 530 is movably connected with the connecting shaft 520 and the proximal longitudinal rod 330 by two rod end joint shafts, hard connection is avoided, the traction assembly 530 is more flexible in moving, the mileage of the whole traction assembly 530 can be adjusted by adjusting the length of the screw 532 extending into the screw hole of the rod end joint bearing 531, and the applicability of the traction assembly 530 is improved;
(3) Each cathode workpiece reciprocates along the length direction perpendicular to the cathode rod 400, so that the bubble eliminating effect on the surface of the workpiece and the uniformity effect of solution concentration are improved, meanwhile, a plurality of cathode rods 400 can be arranged on the moving frame 300 according to the requirement, and each cathode rod 400 is driven to synchronously move by a driving mechanism 500 through driving the movement of the moving frame 300, so that a plurality of sets of driving devices are not required to be correspondingly configured due to the arrangement of the cathode rods 400, and the equipment mechanism is simpler and is more convenient to operate and maintain.
The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.

Claims (10)

1. A cathode moving device for electroplating, comprising:
a tank body;
the two supporting and limiting assemblies are respectively arranged at the outer sides of the opposite side walls of the groove body;
the two sides of the moving frame are respectively arranged on the corresponding supporting and limiting assemblies in a sliding manner and can move relative to the groove body, and the moving frame is provided with a through groove for the groove body to pass through;
the cathode rods are arranged above the groove body and are arranged on the movable frame side by side along the moving direction perpendicular to the movable frame, and the cathode rods are used for hanging cathode workpieces to be electroplated;
the driving mechanism is connected with the movable frame and used for driving the movable frame to reciprocate on the supporting and limiting assembly.
2. The cathode moving device for electroplating according to claim 1, wherein the supporting and limiting assembly comprises a bracket, a plurality of lower mounting seats, an upper mounting seat, a plurality of riding wheels and a pressing wheel, wherein the bracket is arranged along the moving direction of the moving frame and is fixed on the frame, each lower mounting seat is arranged along the moving direction of the moving frame and is fixed on the bracket side by side, the upper mounting seat is arranged right above one lower mounting seat and is fixed on the lower mounting seat, each riding wheel is respectively rotatably mounted on the corresponding lower mounting seat, the moving frame is slidably arranged on each riding wheel, the pressing wheel is arranged right above the riding wheel and is rotatably mounted on the upper mounting seat, and the pressing wheel is used for being slidably abutted with the upper surface of the moving frame.
3. The cathode moving device for electroplating according to claim 2, wherein the riding wheel comprises a roll shaft and two limiting plates, the two limiting plates are respectively fixed at two ends of the roll shaft, the diameter of each limiting plate is larger than that of the roll shaft, and the pressing wheel and the riding wheel have the same structure.
4. The cathode moving device for electroplating according to claim 3, wherein the moving frame comprises two cross bars, two longitudinal bars and at least two supporting seats, the two cross bars are arranged side by side and are slidably arranged on the respective roll shafts, two side walls of the cross bars are respectively in sliding contact with the corresponding limiting plates, the two longitudinal bars are respectively arranged at two ends of the cross bars, the two ends of the longitudinal bars are respectively fixedly connected with one ends of the corresponding cross bars, so as to form the through grooves, and the supporting seats are respectively fixed on the corresponding cross bars side by side along the length direction of the cross bars.
5. The cathode moving apparatus for plating according to claim 4, wherein the through groove has a square structure, and a groove diameter of the through groove is larger than a groove diameter of the groove body.
6. The cathode moving device for electroplating according to claim 5, further comprising at least two copper seats, each copper seat being fixed to a corresponding support seat, each cathode rod being disposed along a length direction perpendicular to the cross rod, and both ends of the cathode rod being disposed on the corresponding copper seat, respectively.
7. The cathode moving device for electroplating according to claim 6, wherein the copper base is provided with a V-shaped groove with an opening which is sequentially reduced from top to bottom, and two ends of the cathode rod are respectively clamped in the corresponding V-shaped grooves.
8. The cathode moving apparatus for plating according to claim 7, further comprising a mount provided on one side of the tank body along a longitudinal direction of the cross bar.
9. The cathode moving device for electroplating according to claim 8, wherein the driving mechanism comprises a rotating wheel, a connecting shaft, a traction assembly and a rotation driving member, the rotating wheel is rotatably mounted on the mounting frame, the connecting shaft is eccentrically arranged relative to the rotating wheel and is fixed on the rotating wheel, one end of the traction assembly is movably connected with the connecting shaft, the other end of the traction assembly is movably connected with the proximal vertical rod, the rotation driving member is fixed on the mounting frame, and the output end of the rotation driving member is fixedly connected with the rotating wheel and is used for driving the rotating wheel to rotate.
10. The cathode moving device for electroplating according to claim 9, wherein the traction assembly comprises two rod end joint bearings, a screw rod and two nuts, the rod ends of the rod end joint bearings are provided with screw holes, the bearing ends of the two rod end joint bearings are respectively movably connected with the corresponding connecting shaft and the corresponding longitudinal rod at the proximal end, the two ends of the screw rod are respectively in threaded connection with the corresponding screw holes, the two nuts are respectively in threaded sleeved connection with the two ends of the screw rod, and are respectively used for being abutted with the surfaces of the corresponding rod end joint bearings.
CN202223149871.9U 2022-11-25 2022-11-25 Cathode moving device for electroplating Active CN218910589U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223149871.9U CN218910589U (en) 2022-11-25 2022-11-25 Cathode moving device for electroplating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223149871.9U CN218910589U (en) 2022-11-25 2022-11-25 Cathode moving device for electroplating

Publications (1)

Publication Number Publication Date
CN218910589U true CN218910589U (en) 2023-04-25

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ID=86014973

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223149871.9U Active CN218910589U (en) 2022-11-25 2022-11-25 Cathode moving device for electroplating

Country Status (1)

Country Link
CN (1) CN218910589U (en)

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