PCB etching machine

By introducing components such as an electric slide table and a stirring motor into the PCB etching machine, continuous etching and cleaning of PCB boards has been achieved, solving the problems of insufficient mixing and low efficiency, and improving etching efficiency.

CN224521291UActive Publication Date: 2026-07-17JIAN MANKUN TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIAN MANKUN TECH
Filing Date
2025-08-11
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing PCB etching machines suffer from insufficient mixing and low efficiency during the etching process, and the time wasted in handling the PCB after etching results in low etching efficiency.

Method used

Design a PCB etching machine including an etching solution tank, a cleaning tank, a mixing tank, a water tank, and an etching agent tank. Utilize an electric slide table and an electric telescopic rod to achieve continuous etching and cleaning of the PCB board. Combine a stirring motor and an air pump to achieve uniform mixing and aeration of the etching solution. Employ a filter and an activated carbon adsorption frame to purify the cleaning solution.

Benefits of technology

It enables continuous and uniform etching of PCB boards, improves etching efficiency, reduces etching and cleaning time, and improves overall production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224521291U_ABST
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Abstract

The utility model provides a kind of PCB etching machine, including etching liquid tank, etching liquid tank both sides are provided with cleaning tank, etching liquid tank side is fixed with rack, electric sliding platform is equipped on rack, electric sliding platform has sliding plate, two electric telescopic rods are installed in the bottom end of sliding plate.The utility model has the beneficial effect as follows, after completing etching work, the etched object is cleaned, electric sliding platform, sliding plate, electric telescopic rod work, so that it is moved to above one of cleaning tank, then enters cleaning tank, and cleaning work is carried out, and the other blue is placed PCB board, and subsequent continuous etching work is carried out, reciprocating, the continuous, uniform etching of PCB board can be realized, the utility model is simple in structure, can continuously etching work, greatly improve the working efficiency of etching machine.
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Claims

1. A PCB board etching machine, characterized in that, The system includes an etching solution tank (1), cleaning tanks (2) on both sides of the etching solution tank (1), a frame (3) fixed on one side of the etching solution tank (1), an electric slide (4) on the frame (3), a slide plate (5) on the electric slide plate (4), two electric telescopic rods (6) installed at the bottom of the slide plate (5), a lowering plate (7) fixed at the output bottom of the electric telescopic rods (6), a fixing rod at each of the four corners of the bottom of the lowering plate (7), and a placement basket (8) fixed by the fixing rod. A stabilizing component is also provided between the slide plate (5) and the lowering plate (7).

2. The PCB etching machine according to claim 1, characterized in that, There are multiple stabilizing components, including a lower sleeve (9) and an upper insert rod (10). The upper insert rod (10) is inserted into the lower sleeve (9). The lower sleeve (9) is fixed to the top of the descending plate (7), and the upper insert rod (10) is fixed to the bottom of the slide plate (5).

3. The PCB etching machine of claim 2, wherein, A vertical pipe (11) is provided at the bottom of the cleaning box (2), and the other end of the vertical pipe (11) is connected to the purification box (12). The purification box (12) is provided with a filter frame (13) and an activated carbon adsorption frame (14). The filter frame (13) has a filter screen, and the activated carbon adsorption frame (14) has an activated carbon adsorption layer.

4. The PCB etching machine of claim 3, wherein, The filter frame (13) and the activated carbon adsorption frame (14) are fixed together with a mounting cover (15). The mounting cover (15) is fixed to the top of the purification box (12) with screws. A water pump (27) is connected to the purification box (12) through a pipe. The water pump (27) has an output pipe (16) which is connected to the cleaning box (2).

5. The PCB etching machine of claim 4, wherein, A mixing tank (17) is fixedly installed at the top of the frame (3). A water tank (18) and an etchant tank (19) are installed on both sides of the mixing tank (17). Both the water tank (18) and the etchant tank (19) are equipped with connecting pipes that connect to the mixing tank (17). Switch valves are installed on the connecting pipes.

6. The PCB etching machine of claim 5, wherein, A stirring motor (22) is installed at the top of the mixing box (17). The output end of the stirring motor (22) is connected to a stirring rod (23) located inside the mixing box (17). Stirring blades (24) are evenly arranged on the stirring rod (23), and multiple stirring penetration holes (25) are arranged on each stirring blade (24).

7. The PCB etching machine of claim 6, wherein, A second water pump (20) is provided on one side of the mixing tank (17). The second water pump (20) has a suction pipe and a delivery pipe. The suction pipe is connected to the mixing tank (17), and the delivery pipe is connected to the etching solution tank (1).

8. The PCB etching machine of claim 7, wherein, An electric heating rod and a jet pipe with air holes are provided at the bottom of the etching solution tank (1). An air pump (21) is fixed on the outer wall of the etching solution tank (1). The output end of the air pump (21) is connected to the jet pipe.