PCB copper plating clamp

By configuring conductive blocks in the PCB copper plating fixture and connecting them to the four corners of the PCB, the problem of uneven copper ion deposition was solved, achieving uniform copper ion deposition and improving the copper plating effect.

CN223660268UActive Publication Date: 2025-12-12KUNSHAN JIADEJUN ELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202423305210.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-12
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Traditional PCB copper plating fixtures result in uneven copper ion deposition during the electroplating process, leading to poor copper plating uniformity.

Method used

Design a PCB board copper plating fixture with a main body having a receiving space and a conductive block, which is connected to the four corners of the PCB board by wires to ensure uniform copper ion deposition.

Benefits of technology

This achieves uniform deposition of copper ions on the PCB board surface, improving the copper plating effect and the performance of the PCB board.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a copper plating clamp for a PCB (Printed Circuit Board). The copper plating clamp comprises a main body part and a copper plating part, wherein the main body part is provided with a first part and a second part; the clamping structure is configured in the accommodating space and is used for clamping the PCB in the main body part; the number of the conductive blocks is at least two, the conductive blocks are arranged on the first part and the second part of the main body part respectively, and the conductive blocks are connected to the conductive columns at the corners of the PCB through wires; the PCB copper plating fixture can solve the problems that copper ions cannot be uniformly deposited on the surface of a PCB in the electroplating process of the PCB and the copper plating uniformity is poorer due to the fact that the traditional PCB copper plating fixture generally only electrifies one corner of the PCB.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of PCB board, concretely relates to a PCB board copper plating clamp. BACKGROUND

[0002] The PCB board copper plating clamp is the key tool for fixing the PCB board to be electroplated in the electroplating process, ensuring that the PCB board keeps stable in the electroplating solution to realize the uniform electroplating effect. The traditional PCB board copper plating clamp usually has good conductivity, but generally only one corner of the PCB board is electrified, which leads to the problem of poor copper plating uniformity because copper ions cannot be uniformly deposited on the surface of the PCB board during the electroplating process. SUMMARY

[0003] To overcome the above-mentioned shortcomings, the utility model aims at providing a PCB board copper plating clamp.

[0004] To achieve the above purpose, the utility model adopts the technical scheme including: a main body part having a first part and a second part forming an accommodation space; a clamping structure configured in the accommodation space for clamping the PCB board in the main body part; and a conductive block having at least two and being respectively configured in the first part and the second part of the main body part, the conductive block being connected to the conductive column at each corner of the PCB board by means of a wire.

[0005] In the preferred technical scheme of the above-mentioned PCB board copper plating clamp, the clamping structure includes an upper clamp and a lower clamp configured in the accommodation space, and the upper clamp is detachably connected to the lower clamp and the second part of the main body part by means of a bolt.

[0006] In the preferred technical scheme of the above-mentioned PCB board copper plating clamp, the upper clamp is formed with a first clamping protrusion on the side surface facing the lower clamp, and the lower clamp is correspondingly formed with a second clamping protrusion on the side surface facing the upper clamp.

[0007] In the preferred technical scheme of the above-mentioned PCB board copper plating clamp, a PVC plate is configured in the accommodation space for wrapping the part between the upper clamp and the lower clamp and the part of the upper clamp and the lower clamp away from the PCB board.

[0008] In the preferred technical scheme of the above-mentioned PCB board copper plating clamp, the PVC plate is formed with a clearance space on the side close to the first clamping protrusion and the second clamping protrusion.

[0009] In the preferred technical scheme of the PCB copper plating clamp, the first part bottom surface of the main body part has a first blocking part for abutting the upper clamp against the PCB, and the second part top surface of the main body part has a second blocking part for abutting the lower clamp against the PCB.

[0010] In the preferred technical scheme of the PCB copper plating clamp, the upper clamp and the lower clamp are made of titanium material.

[0011] In the preferred technical scheme of the PCB copper plating clamp, the main body part is made of PVC material.

[0012] In the preferred technical scheme of the PCB copper plating clamp, the conductive blocks are made of copper material.

[0013] The PCB copper plating clamp has the advantages that two groups of conductive blocks are arranged on the first part and the second part of the main body part, and the four corners of the PCB fixed on the main body part are electrically connected to the conductive blocks through wires, so that the copper ions can be uniformly deposited on the two surfaces of the PCB during electroplating, thereby improving the copper plating effect of the PCB, improving the use performance of the PCB, and having practicality. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a top view of the utility model;

[0015] Figure 2 is a front view of the utility model;

[0016] Figure 3 is Figure 1 is a sectional view at D-D;

[0017] Figure 4 is Figure 3 is an enlarged view of A;

[0018] Figure 5 is a schematic view when the utility model clamps the PCB.

[0019] In the drawing: main body part 1, first part 11, first blocking part 111, second part 12, second blocking part 121, clamping structure 2, upper clamp 21, first clamping protrusion 211, lower clamp 22, second clamping protrusion 221, conductive block 3, wire 4, PVC plate 5, avoiding space 51, PCB 6. DETAILED DESCRIPTION

[0020] The preferred embodiments of the utility model are described below with reference to the drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the utility model, and are not intended to limit the protection scope of the utility model.

[0021] It should be noted that in the description of the utility model, the terms "upper", "lower", "left", "right", "front", "back" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is merely for the convenience of description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0022] In addition, it should be further pointed out that in the description of the utility model, unless otherwise explicitly specified and limited, the terms "providing", "connecting", "connecting" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] As shown in Figures 1 to 5 The PCB copper plating clamp of the utility model comprises: a main body part 1 having a first part 11 and a second part 12 forming an accommodating space; a clamping structure 2 configured in the accommodating space for clamping the PCB 6 in the main body part 1; and a conductive block 3 having at least two and being respectively configured in the first part 11 and the second part 12 of the main body part 1, the conductive block 3 being connected to the conductive column at each corner of the PCB 6 by means of a wire 4.

[0024] Referring to Figure 4 , the main body part 1 has a first part 11 and a second part 12 parallel to each other, and the first part 11 and the second part 12 form an accommodating space, and the first part 11 and the second part 12 of the main body part 1 form a "mouth" type window for the PCB 6 to be placed in, and the clamping structure 2 is arranged around the "mouth" type window of the main body part 1, and when the PCB 6 is placed in the window of the main body part 1, the clamping structure 2 is used to clamp the PCB 6, so that the PCB 6 can be fixed on the main body part 1.

[0025] Referring to Figure 1 , Figure 2 , Figure 5The conductive block 3 has four blocks, two groups of conductive blocks 3 are arranged on the side surface of the first part 11 of the main body 1 away from the second part 12, two groups of conductive blocks 3 are arranged on the side surface of the second part 12 of the main body 1 away from the first part 11, the conductive block 3 at the left position of the first part 11 is electrically connected to the conductive column at the left position of the window of the main body 1 through the wire 4, the conductive block 3 at the right position of the first part 11 is electrically connected to the conductive column at the right position of the window of the main body 1 through the wire 4, the conductive block 3 at the left position of the second part 12 is electrically connected to the conductive column at the left position of the window of the main body 1 through the wire 4, and the conductive block 3 at the right position of the second part 12 is electrically connected to the conductive column at the right position of the window of the main body 1 through the wire 4. The clamping structure 2 and the conductive column are connected by a conductive material. When the PCB 6 is fixed on the main body 1 by the clamping structure 2, the conductive block 3 can be electrically connected to the PCB 6 through the conductive column. It should be noted that the figure only shows the case that the conductive block 3 is connected to the two corner positions of the PCB 6 through the wire 4.

[0026] The application can realize uniform deposition of copper ions on both surfaces of the PCB 6 when electroplating the PCB 6 by arranging two groups of conductive blocks 3 on the first part 11 and the second part 12 of the main body 1 respectively, and electrically connecting the four diagonal positions of the PCB 6 fixed on the main body 1 to the conductive blocks 3 through the wire 4. Therefore, the application improves the copper plating effect of the PCB 6, and improves the use performance of the PCB 6, which has practicality.

[0027] In one or more embodiments, the clamping structure 2 includes an upper clamp 21 and a lower clamp 22 arranged in the accommodating space, the upper clamp 21 is detachably connected to the lower clamp 22 and the second part 12 of the main body 1 by means of a bolt; the first clamping protrusion 211 is formed on the side surface of the upper clamp 21 facing the lower clamp 22, and the second clamping protrusion 221 is correspondingly formed on the side surface of the lower clamp 22 facing the upper clamp 21.

[0028] Referring to Figure 4 , Figure 5, the first part 11 and the second part 12 of the main body 1 are detachably connected, the clamping structure 2 comprises an upper clamp 21 and a lower clamp 22, the lower clamp 22 is fixed on the second part 12 of the main body 1, when the first part 11 is separated from the second part 12, the PCB board 6 can be placed on the lower clamp 22 and the upper clamp 21 is placed, then the first part 11 is placed on the upper part of the upper clamp 21, and the first part 11, the upper clamp 21, the lower clamp 22 and the second part 12 are tightened by bolts, so as to realize the fixation of the upper clamp 21 and the lower clamp 22 to the PCB board 6, at this time, the first clamping protrusions 211 of the upper clamp 21 and the second clamping protrusions 221 of the lower clamp 22 can correspond to the surface of the PCB board 6 close to the side edge, and the first clamping protrusions 211 and the second clamping protrusions 221 are in a sawtooth structure to clamp the PCB board 6.

[0029] In one or more embodiments, a PVC plate 5 is arranged in the accommodating space to wrap the part between the upper clamp 21 and the lower clamp 22 and the part of the upper clamp 21 and the lower clamp 22 away from the side of the PCB board 6.

[0030] Referring to Figure 4 , Figure 5 The PVC plate 5 can surround the part of the upper clamp 21 and the lower clamp 22 which does not clamp the PCB board 6, and can reduce the problem that copper ions are deposited on the surface of the upper clamp 21 and the lower clamp 22 to affect the use of the upper clamp 21 and the lower clamp 22 during the copper plating process of the PCB board 6.

[0031] In one or more embodiments, the PVC plate 5 is formed with an avoiding space 51 close to the first clamping protrusions 211 and the second clamping protrusions 221.

[0032] Referring to Figure 4 When the PCB board 6 is clamped by the first clamping protrusions 211 of the upper clamp 21 and the second clamping protrusions 221 of the lower clamp 22, the side edge of the PCB board 6 at least partially extends into the avoiding space 51 of the PVC plate 5; through this arrangement, the PCB board 6 can be prevented from being excessively pressed against the PVC plate 5, and at the same time, a gap is formed between the PCB board 6 and the avoiding space 51 of the PVC plate 5 after the PCB board 6 is placed between the lower clamp 22 and the upper clamp 21, which facilitates the taking and placing of the PCB board 6.

[0033] In one or more embodiments, the bottom surface of the first part 11 of the main body 1 is provided with a first blocking part 111 for pressing the upper clamp 21 against the PVC plate 5, and the top surface of the second part 12 of the main body 1 is provided with a second blocking part 121 for pressing the lower clamp 22 against the PVC plate 5.

[0034] Referring to Figure 4The first blocking part 111 arranged on the bottom surface of the first part 11 of the main body 1 can tightly abut the upper clamp 21 on the PVC plate 5, and the second blocking part 121 arranged on the bottom surface of the second part 12 of the main body 1 can tightly abut the lower clamp 22 on the PVC plate 5, so that the stability of the positions of the upper clamp 21 and the lower clamp 22 is ensured, and the effect of clamping and fixing the PCB plate 6 by the upper clamp 21 and the lower clamp 22 is ensured.

[0035] In one or more embodiments, the upper clamp 21 and the lower clamp 22 are made of titanium.

[0036] In one or more embodiments, the main body 1 is made of PVC. By this arrangement, the hardness of the main body 1 is ensured, and the main body 1 is prevented from being electrolyzed in the electrolytic cell.

[0037] In one or more embodiments, the conductive block 3 is made of copper. Specifically, the conductive block 3 can be made of red copper or yellow copper.

[0038] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application should be covered within the protection scope of the present application.

Claims

1. A PCB board copper plating fixture, characterized in that, include: The main body has a first part and a second part that form a receiving space; A clamping structure is disposed within the receiving space for clamping the PCB board within the main body. The conductive blocks, having at least two and respectively disposed in the first and second portions of the main body, are connected to conductive posts at each corner of the PCB board by means of wires.

2. The PCB board copper plating fixture according to claim 1, characterized in that: The clamping structure includes an upper clamp and a lower clamp disposed within the receiving space, the upper clamp being detachably connected to the lower clamp and a second part of the main body by means of bolts.

3. The PCB board copper plating fixture according to claim 2, characterized in that: The upper clamp has a first clamping protrusion on its surface facing the lower clamp, and the lower clamp has a corresponding second clamping protrusion on its surface facing the upper clamp.

4. The PCB board copper plating fixture according to claim 3, characterized in that: The accommodating space is provided with a PVC board for wrapping the portion between the upper and lower clamps, as well as the portion of the upper and lower clamps away from the PCB board.

5. The PCB board copper plating fixture according to claim 4, characterized in that: The PVC board has a clearance space on the side near the first clamping protrusion and the second clamping protrusion.

6. The PCB board copper plating fixture according to claim 4 or 5, characterized in that: The bottom surface of the first part of the main body has a first blocking part for pressing the upper clamp against the PVC plate, and the top surface of the second part of the main body has a second blocking part for pressing the lower clamp against the PVC plate.

7. The PCB board copper plating fixture according to claim 2, characterized in that: The upper clamp and the lower clamp are made of titanium.

8. The PCB board copper plating fixture according to claim 1, characterized in that: The main body is made of PVC material.

9. The PCB board copper plating fixture according to claim 1, characterized in that: The conductive block is made of copper.