Lifting conveying groove of PCB (Printed Circuit Board) chemical copper deposition production line

By introducing a clamping assembly inside the lifting conveyor trough in the PCB copper plating production line, the problem of excessively long copper plating troughs has been solved, thereby improving space utilization efficiency and copper plating effect.

CN224068884UActive Publication Date: 2026-03-31PALWONN ELECTRONICS SUZHOU CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing PCB copper plating equipment has copper plating tanks that are too long, taking up a lot of space and affecting the copper plating effect.

Method used

The clamping assembly inside the lifting conveyor tank includes a mounting frame, a drive motor, gears, and a toothed chain. The toothed chain drives the clamps to move in a circular motion, increasing the copper plating time of the PCB board inside the tank and shortening the tank length.

Benefits of technology

It effectively shortens the length of the copper plating tank, reduces space occupation, and improves the copper plating effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a PCB (Printed Circuit Board) chemical copper deposition production line lifting conveying groove which comprises a groove body used for containing a copper deposition medicament; the clamp assembly comprises a mounting frame, a driving motor, a first gear, a second gear, a toothed chain and a clamp, the driving motor is arranged on the outer side wall of the groove body, an output shaft of the driving motor extends into the groove body to be connected with the first gear, the first gear is rotationally connected to the mounting frame, and the second gear is rotationally connected to the mounting frame; the mounting frame is vertically arranged in the groove body, the first gear is connected with the second gear through a toothed chain, a plurality of clamps are arranged on the toothed chain, and the clamps are annularly arranged. The copper deposition tank can solve the problems that the copper deposition tank is too long and occupies a large space.
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Description

Technical Field

[0001] This utility model relates to the field of circuit board processing equipment technology, and in particular to a lifting conveyor trough for a PCB chemical copper plating production line. Background Technology

[0002] PCB copper plating involves chemically depositing a thin layer of copper onto the non-conductive hole walls of a pre-drilled substrate to serve as a base for subsequent copper electroplating.

[0003] In existing PCB copper plating processes, reactants are first mixed in a reaction tank using a copper plating device. A carrier board is then placed in the tank for copper plating. After plating, the carrier board is removed, and a new carrier board is placed in for the process, and so on. However, after each carrier board completes copper plating, the reaction tank, at a certain chemical concentration, requires sufficient time to achieve the desired effect. Furthermore, the horizontal roller transport process needs to be of sufficient length; otherwise, the copper plating effect will be affected. Existing equipment uses copper plating tanks that are too long, occupying too much space and increasing costs, while also resulting in poor copper plating performance. Utility Model Content

[0004] The purpose of this utility model is to provide a lifting and conveying trough for a PCB chemical copper plating production line, in order to solve the problem that the copper plating tank is too long and occupies too much space.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a lifting conveyor trough for a PCB chemical copper plating production line, comprising:

[0006] The tank is used to hold copper plating reagent;

[0007] The clamping assembly includes a mounting bracket, a drive motor, a first gear, a second gear, a gear chain, and clamps. The drive motor is disposed on the outer wall of the groove body. The output shaft of the drive motor extends into the groove body and is connected to the first gear. The first gear is rotatably connected to the mounting bracket. The mounting bracket is vertically arranged in the groove body. The first gear is connected to the second gear through the gear chain. Several clamps are disposed on the gear chain, and the clamps are arranged in a ring.

[0008] As a further description of the above technical solution:

[0009] The mounting bracket is provided with an annular guide rail, which is located outside the toothed chain, and the clamp is slidably connected to the annular guide rail.

[0010] As a further description of the above technical solution:

[0011] The clamp includes a base and a clamping block. One end of the base is fixedly connected to the toothed chain, the base is slidably connected to the annular guide rail, and the clamping block is rotatably connected to the base.

[0012] As a further description of the above technical solution:

[0013] The base has a stepped surface that is adapted to the height of the PCB board, and the clamping block is located at one end of the stepped surface.

[0014] As a further description of the above technical solution:

[0015] The base is provided with at least two support rods.

[0016] As a further description of the above technical solution:

[0017] A liquid level sensor is installed on the tank.

[0018] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are as follows: by setting the mounting bracket in the tank, the drive motor can drive the first gear to rotate, and the first gear, in conjunction with the second gear, causes the gear chain to rotate, thereby driving the clamp to move up and down in a circular motion in the tank, which can increase the time for the PCB board to be deposited with copper in the tank, thereby achieving the purpose of shortening the length of the tank. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the lifting conveyor trough in a PCB chemical copper plating production line.

[0021] Figure 2 This is a side view of a lifting conveyor trough in a PCB chemical copper plating production line.

[0022] Figure 3 This is a schematic diagram of the fixture in the lifting conveyor trough of a PCB chemical copper plating production line.

[0023] Legend:

[0024] 1. Groove; 2. Fixture assembly; 21. Mounting bracket; 22. Drive motor; 23. First gear; 24. Second gear; 25. Gear chain; 26. Fixture; 261. Base; 262. Clamping block; 3. Circular guide rail; 4. Stepped surface; 5. PCB board; 6. Support rod. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1-3 This utility model provides a technical solution: a lifting conveyor trough for a PCB chemical copper plating production line, comprising:

[0027] Tank 1, the tank 1 being used to hold copper plating agent;

[0028] The clamp assembly 2 includes a mounting frame 21, a drive motor 22, a first gear 23, a second gear 24, a gear chain 25, and clamps 26. The drive motor 22 is disposed on the outer wall of the groove 1. The output shaft of the drive motor 22 extends into the groove 1 and is connected to the first gear 23. The first gear 23 is rotatably connected to the mounting frame 21. The mounting frame 21 is vertically arranged in the groove 1. The first gear 23 is connected to the second gear 24 through the gear chain 25. A plurality of clamps 26 are disposed on the gear chain 25, and the plurality of clamps 26 are arranged in a ring.

[0029] The mounting bracket 21 is equipped with an annular guide rail 3, which is located outside the toothed chain 25. The clamp 26 is slidably connected to the annular guide rail. This improves the stability of the clamp's movement and prevents the PCB board from being damaged due to instability and shaking of the clamp during movement.

[0030] The clamp 26 includes a base 261 and a clamping block 262. One end of the base 261 is fixedly connected to the toothed chain 25, and the base 261 is slidably connected to the annular guide rail 3. The clamping block 262 is rotatably connected to the base 261. A stepped surface 4 is provided on the base 261, and the stepped surface is adapted to the height of the PCB board 5. The clamping block 262 is located at one end of the stepped surface 4. In use, the PCB board is placed on the stepped surface, and then the clamping block is rotated so that the bottom of the clamping block presses against the waste area of ​​the PCB board, facilitating the fixing and disassembly of the PCB board.

[0031] The base 261 is provided with at least two support rods 6. The support rods are used to support the PCB board and prevent it from bending.

[0032] A liquid level sensor is installed on the tank 1. This sensor can be used to detect the liquid level in the tank and remind workers to add liquid. A copper ion analyzer and a copper ion probe can also be installed on the tank. The copper ion probe extends into the tank and detects the copper ion content in the solution, transmitting the data to the copper ion analyzer for analysis, thereby controlling the dosing of the solution.

[0033] Working principle: First, the clamping blocks are rotated to the sides to separate them from the step surface, and the PCB board is placed on the step surface. Then, the clamping blocks are rotated so that the bottom of the clamping blocks presses against the waste area of ​​the PCB board. The drive motor is then started and its speed is controlled. The next PCB board is then installed on the next clamping block, and this cycle is repeated, moving the PCB board from top to bottom and then from bottom to top on one side of the mounting bracket, before removing it. Through the mounting bracket set inside the tank, the drive motor can drive the first gear to rotate. The first gear, in conjunction with the second gear, rotates the gear chain, thereby causing the clamp to move up and down in a circular motion within the tank. This increases the copper plating time of the PCB board in the tank, thus shortening the tank length.

[0034] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A lifting conveying tank for PCB chemical copper plating production line, characterized in that, The application relates to a copper deposition device. The device comprises a groove for containing a copper deposition agent, a clamp assembly, a driving motor, a first gear, a second gear, a toothed chain and a clamp, the driving motor is arranged on the outer wall of the groove, the output shaft of the driving motor extends into the groove and is connected with the first gear, the first gear is rotationally connected with the mounting frame, the mounting frame is vertically arranged in the groove, the first gear is connected with the second gear through the toothed chain, and a plurality of clamps are arranged on the toothed chain and are arranged in a ring shape. An annular guide rail is arranged on the mounting frame and is located on the outer side of the toothed chain, and the clamp is slidingly connected with the annular guide rail.

2. The lifting conveying tank for PCB chemical copper plating production line according to claim 1, characterized in that, The clamp comprises a base and a clamping block, one end of the base is fixedly connected with the toothed chain, the base is slidingly connected with the annular guide rail, and the clamping block is rotationally connected with the base.

3. The lifting conveying tank of PCB chemical copper plating production line according to claim 2, characterized in that, A stepped surface is arranged on the base and is matched with the height of a PCB, and the clamping block is located at one end of the stepped surface.

4. The lifting conveying tank of PCB chemical copper plating production line according to claim 3, characterized in that, At least two supporting rods are arranged on the base.

5. The lifting conveying tank of PCB chemical copper plating production line according to claim 3, characterized in that, A liquid level sensor is arranged on the groove.

6. The lifting conveying tank of PCB chemical copper plating production line according to claim 1, characterized in that, ​