Circuit board etching equipment

By introducing adjustable positioning and moving mechanisms into the circuit board etching equipment, the stability and accuracy issues during the etching of circuit boards of different sizes have been resolved. Stable and precise positioning of the circuit boards has been achieved, improving the uniformity of etching and the operational flexibility of the equipment.

CN224068881UActive Publication Date: 2026-03-31ANHUI HONGXIN ELECTRONIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing PCB etching equipment requires adjustment of the clamps when processing PCBs of different sizes, which is complicated and affects etching accuracy.

Method used

An adjustable positioning mechanism is adopted, including a positioning seat, a positioning plate and a spring. The elasticity of the spring adapts to circuit boards of different sizes, provides a stable positioning force, and combined with the moving mechanism, achieves precise positioning and position adjustment of the circuit board.

Benefits of technology

It improves the stability and accuracy of the circuit board etching process, reduces uneven etching caused by shaking, and enhances the operational flexibility and precision of the equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224068881U_ABST
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Abstract

The utility model relates to the technical field of circuit boards, in particular to circuit board etching equipment, which comprises an etching box, a mounting box and a moving mechanism, a cleaning box is arranged on the side wall of the etching box; the moving mechanism comprises a first moving assembly and a second moving assembly, the first moving assembly is used for driving the second moving assembly to ascend and descend, and the first moving assembly is used for driving the mounting box to move horizontally; a plurality of partition plates are fixedly arranged in the mounting box, a positioning mechanism is arranged between every two adjacent partition plates, and the positioning mechanisms are used for positioning circuit boards. During etching, the circuit board etching device can adapt to circuit boards with different sizes, ensures that the position of the circuit board is fixed in the etching process, avoids uneven etching caused by shaking of the circuit board, and improves the etching precision.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a circuit board technical field, specifically a circuit board etching equipment. BACKGROUND

[0002] As a key component of electronic devices, circuit boards are widely used in various electronic products such as smartphones, computers, and automotive electronic systems. With the rapid development of electronic technology, the precision, performance, and reliability of circuit boards are increasingly demanding. Etching process is a core link in the manufacturing process of circuit boards, which removes the unnecessary copper layer on the circuit board through chemical solution to form an accurate circuit pattern.

[0003] The existing circuit board etching equipment transports the circuit board into the etching box through the conveyor belt, sprays the etching liquid onto the circuit board through the nozzle, and performs etching work. During transportation, the circuit board is limited and clamped by the clamping plate to improve the accuracy of etching.

[0004] However, due to the fixed size of the clamping plate, it can only adapt to circuit boards of specific specifications. When processing circuit boards of different sizes, the clamping plate needs to be adjusted, increasing the complexity of the operation. Moreover, the impact force generated when the etching liquid is sprayed onto the circuit board may cause the circuit board to shake in the clamping plate, affecting the accuracy of etching. SUMMARY

[0005] The utility model aims at at least solves one of the technical problems existing in the prior art. To this end, the utility model provides a circuit board etching equipment, which solves the stability of circuit boards of different sizes during etching processing and improves the accuracy of etching.

[0006] To achieve the above-mentioned purpose, according to the first aspect of the utility model, an etching equipment for circuit board is provided, which comprises an etching box, a mounting box and a moving mechanism. The side wall of the etching box is provided with a cleaning box. The moving mechanism comprises a first moving assembly and a second moving assembly. The first moving assembly is used to drive the second moving assembly to lift. The first moving assembly is used to drive the mounting box to move horizontally. A plurality of partitions are fixedly arranged inside the mounting box. A positioning mechanism is arranged between adjacent two partitions. The positioning mechanism is used to position the circuit board.

[0007] According to one embodiment of the utility model, the positioning mechanism comprises a positioning seat, a positioning plate and a spring. The positioning seat is fixedly arranged between adjacent two partitions. An adjusting groove is formed in the side wall of the positioning seat. The positioning plate is arranged in the adjusting groove. One end of the spring is connected with the side wall of the adjusting groove, and the other end is connected with the positioning plate.

[0008] According to one embodiment of the utility model, first mobile assembly includes lifting seat, first screw rod and first motor, lifting seat side wall has set up lifting groove, first screw rod rotation sets up in the lifting groove, first motor sets up at the lifting seat top, and its output and first screw rod are connected.

[0009] According to one embodiment of the utility model, second mobile assembly includes mobile seat, second screw rod and second motor, mobile seat side wall has set up horizontal groove, second screw rod rotation sets up in the horizontal groove, second motor sets up at the mobile seat side wall, and its output and first screw rod are connected, mobile seat side wall is provided with sliding block, the sliding block sets up on first screw rod.

[0010] According to one embodiment of the utility model, the second screw rod is provided with a connecting block, and the connecting block is provided with a fixed block at the bottom.

[0011] According to one embodiment of the utility model, the partition plate is provided with the positioning mechanism at both ends.

[0012] According to one embodiment of the utility model, the positioning plate is provided with a circular arc surface at the top.

[0013] According to one embodiment of the utility model, the mounting box is provided with a plurality of liquid inlet holes on the outer peripheral wall and the top.

[0014] According to one embodiment of the utility model, a plurality of through holes are arranged on the partition plate.

[0015] According to one embodiment of the utility model, the size of the sliding block is matched with the lifting groove.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1. When the circuit board is placed between adjacent partition plates, the circuit board will press the positioning plate, the positioning plate moves in the adjusting groove and compresses the spring. The elastic force generated by the spring will make the positioning plate tightly abut against the circuit board, thereby realizing the positioning of the circuit board. The elastic effect of the spring enables the positioning mechanism to adapt to circuit boards of different sizes, provides stable positioning force, ensures the position fixation of the circuit board during etching, and avoids uneven etching caused by the shaking of the circuit board. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a three-dimensional structure schematic view of a circuit board etching equipment.

[0019] Fig. 2 It is an installation schematic view of the mounting box.

[0020] Fig. 3 The installation diagram of the positioning mechanism.

[0021] Fig. 4 The stereoscopic structure diagram of the moving mechanism.

[0022] In the figure, the reference signs are as follows: 1, etching box; 11, cleaning box; 2, mounting box; 21, liquid inlet hole; 3, positioning seat; 31, adjusting groove; 32, spring; 33, positioning plate; 331, circular arc surface; 4, partition plate; 41, through hole; 5, lifting seat; 51, first lead screw; 52, first motor; 53, sliding block; 6, moving seat; 61, second lead screw; 62, second motor; 63, connecting block; 64, fixed block. DETAILED DESCRIPTION

[0023] The technical scheme of the utility model will be described clearly and completely below in combination with embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] As shown in Figs. 1 to 4 A circuit board etching equipment, comprising an etching box 1, a mounting box 2 and a moving mechanism, the side wall of the etching box 1 is provided with a cleaning box 11, the moving mechanism comprises a first moving assembly and a second moving assembly, the first moving assembly is used to drive the second moving assembly to lift, and the first moving assembly is used to drive the mounting box 2 to move horizontally, a plurality of partition plates 4 are fixedly arranged in the mounting box 2, and a positioning mechanism is arranged between adjacent two partition plates 4, and the positioning mechanism is used to position the circuit board.

[0025] The positioning mechanism comprises a positioning seat 3, a positioning plate 33 and a spring 32, the positioning seat 3 is fixedly arranged between adjacent two partition plates 4, the side wall of the positioning seat 3 is provided with an adjusting groove 31, the positioning plate 33 is arranged in the adjusting groove 31, one end of the spring 32 is connected with the side wall of the adjusting groove 31, and the other end of the spring 32 is connected with the positioning plate 33.

[0026] When the circuit board is placed between adjacent partition plates 4, the circuit board will extrude the positioning plate 33, the positioning plate 33 moves in the adjusting groove 31 and compresses the spring 32. The elastic force generated by the spring 32 can make the positioning plate 33 tightly abut against the circuit board, so that the positioning of the circuit board is realized. The elastic action of the spring 32 makes the positioning mechanism adapt to circuit boards of different sizes, provides stable positioning force, ensures the position of the circuit board fixed in the etching process, and avoids that the etching is uneven due to the shaking of the circuit board.

[0027] The first moving assembly comprises a lifting seat 5, a first screw rod 51 and a first motor 52, the side wall of the lifting seat 5 is provided with a lifting groove, the first screw rod 51 is rotationally arranged in the lifting groove, and the first motor 52 is arranged at the top of the lifting seat 5 and connected with the first screw rod 51 at the output end. The second moving assembly comprises a moving seat 6, a second screw rod 61 and a second motor 62, the side wall of the moving seat 6 is provided with a horizontal groove, the second screw rod 61 is rotationally arranged in the horizontal groove, the second motor 62 is arranged on the side wall of the moving seat 6 and connected with the first screw rod 51 at the output end, the side wall of the moving seat 6 is provided with a sliding block 53, and the sliding block 53 is arranged on the first screw rod 51. The second screw rod 61 is provided with a connecting block 63, the bottom of the connecting block 63 is provided with a fixing block 64, and the fixing block 64 is fixedly connected with the top of the mounting box 2.

[0028] After the first motor 52 is started, the first screw rod 51 is driven to rotate in the lifting groove. Since the sliding block 53 is arranged on the first screw rod 51 and matched with the lifting groove, the sliding block 53 is driven to move up and down along the lifting groove, so as to drive the second moving assembly and the mounting box 2 to move up and down. The precise movement of the mounting box 2 in the vertical direction is realized, the height position of the circuit board can be accurately adjusted according to the etching and cleaning requirements, and the precision of equipment operation is improved.

[0029] The second motor 62 drives the second screw rod 61 to rotate in the horizontal groove, the connecting block 63 arranged on the second screw rod 61 moves in the horizontal direction along with the rotation of the screw rod. The connecting block 63 is connected with the top of the mounting box 2 through the fixing block 64, so as to drive the mounting box 2 to move horizontally. The mounting box 2 can move flexibly in the horizontal direction, the circuit board can be conveniently moved from the etching box 1 to the cleaning box 11, or the horizontal position of the circuit board in the etching box 1 can be adjusted, and the operation flexibility of the equipment is increased.

[0030] The partition plate 4 is provided with the positioning mechanism at both ends. The positioning effect on the circuit board is enhanced by positioning the circuit board from both ends at the same time.

[0031] The top of the positioning plate 33 is provided with a circular arc surface 331. When the circuit board is placed into the mounting box 2, the circular arc surface 331 can play a guiding role, so that the circuit board is more easily pressed against the positioning plate 33 and smoothly enters the positioning position. The placing operation of the circuit board is facilitated, the work efficiency is improved, and the collision and abrasion between the circuit board and the positioning plate 33 are reduced.

[0032] The outer peripheral wall and the top of the mounting box 2 are provided with a plurality of liquid inlet holes 21. The etching liquid enters the inside of the mounting box 2 through the liquid inlet holes 21 and fully contacts with the circuit board in the mounting box 2 to perform etching reaction. The plurality of liquid inlet holes 21 on the outer peripheral wall and the top can make the etching liquid more uniformly distributed in the mounting box 2.

[0033] The partition plate 4 is provided with a plurality of through holes 41. When the etching solution flows in the mounting box 2, the through holes 41 can make the etching solution flow between adjacent partition plates 4, so as to ensure uniform distribution of the etching solution in the mounting box 2.

[0034] The sliding block 53 is matched with the lifting groove in size, so that the sliding block 53 can smoothly slide in the lifting groove without shaking or jamming.

[0035] The working principle of the utility model is as follows: the moving mechanism is composed of a first moving assembly and a second moving assembly, the first moving assembly can drive the second moving assembly to lift, the second moving assembly can drive the mounting box 2 to horizontally move, and the position of the mounting box 2 can be flexibly adjusted through cooperation of the two. The positioning mechanism in the mounting box 2 can position the circuit board, so as to ensure stability of the circuit board in the etching process. During etching, the etching solution enters the mounting box 2 through the liquid inlet hole 21 in the peripheral wall and the top of the mounting box 2, and contacts the circuit board to perform etching reaction. After etching is completed, the first moving assembly and the second moving assembly move the mounting box 2 above the cleaning box 11 and lower, so that the circuit board is immersed in the cleaning box 11 to be cleaned.

[0036] The above embodiments are only used to illustrate the technical method of the utility model and not to limit it. Although the utility model is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical method of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical method of the utility model.

Claims

1. A circuit board etching device, comprising an etching box (1), a mounting box (2) and a moving mechanism; a cleaning box (11) is arranged on the side wall of the etching box (1); characterized in that the moving mechanism comprises a first moving assembly and a second moving assembly, the first moving assembly is used for driving the second moving assembly to lift, and the first moving assembly is used for driving the mounting box (2) to move horizontally; a plurality of partitions (4) are fixedly arranged in the mounting box (2), and a positioning mechanism is arranged between two adjacent partitions (4), and the positioning mechanism is used for positioning a circuit board.

2. The circuit board etching apparatus according to claim 1, wherein the positioning mechanism comprises a positioning seat (3), a positioning plate (33) and a spring (32), the positioning seat (3) is fixedly arranged between two adjacent partitions (4), an adjusting groove (31) is formed in the side wall of the positioning seat (3), the positioning plate (33) is arranged in the adjusting groove (31), one end of the spring (32) is connected with the side wall of the adjusting groove (31), and the other end is connected with the positioning plate (33).

3. The circuit board etching apparatus of claim 2, wherein the first moving assembly comprises a lifting seat (5), a first lead screw (51) and a first motor (52), an lifting groove is formed in the side wall of the lifting seat (5), the first lead screw (51) is rotatably arranged in the lifting groove, the first motor (52) is arranged on the top of the lifting seat (5), and the output end of the first motor (52) is connected with the first lead screw (51).

4. The circuit board etching apparatus according to claim 3, wherein the second moving assembly comprises a moving seat (6), a second lead screw (61) and a second motor (62), a horizontal groove is formed in the side wall of the moving seat (6), the second lead screw (61) is rotatably arranged in the horizontal groove, the second motor (62) is arranged on the side wall of the moving seat (6), and the output end of the second motor (62) is connected with the first lead screw (51), a sliding block (53) is arranged on the side wall of the moving seat (6), and the sliding block (53) is arranged on the first lead screw (51).

5. The circuit board etching apparatus of claim 4, wherein a connecting block (63) is arranged on the second lead screw (61), a fixing block (64) is arranged on the bottom of the connecting block (63), and the fixing block (64) is fixedly connected with the top of the mounting box (2).

6. The circuit board etching apparatus of claim 2, wherein the partitions (4) are respectively provided with the positioning mechanisms at both ends.

7. The circuit board etching apparatus of claim 2, wherein an arc surface (331) is arranged on the top of the positioning plate (33).

8. The circuit board etching apparatus of claim 1, wherein a plurality of liquid inlet holes (21) are arranged on the peripheral wall and the top of the mounting box (2).

9. The circuit board etching apparatus of claim 2, wherein a plurality of through holes (41) are arranged on the partitions (4).

10. The circuit board etching apparatus of claim 4, wherein the size of the sliding block (53) is matched with the lifting groove.