Etching device for flexible circuit board
By designing an etching device with a hydraulic cylinder and a motor-driven plate movement mechanism, the problem of insufficient contact between the flexible circuit board and the etching solution was solved, resulting in a better etching effect.
Patent Information
- Application Number
- CN202520326781.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-27
AI Technical Summary
During the etching process, it is difficult for the flexible circuit board to make sufficient contact with the etching solution, resulting in unsatisfactory etching results.
An etching device was designed, which uses a hydraulic cylinder and a motor-driven plate movement mechanism to make the flexible circuit board swing continuously in the etching solution. The board is fixed and prevented from slipping by a clamp, ensuring that the circuit board is in full contact with the etching solution.
It improves the etching effect of flexible circuit boards, ensures full contact between the etching solution and the circuit board, and improves etching efficiency and quality.
Smart Images
Figure CN223809974U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to flexible circuit board production technical field, concretely is a kind of etching device for flexible circuit board. BACKGROUND
[0002] Flexible circuit board is the printed circuit made with flexible insulating substrate, and flexible circuit provides excellent electrical performance, can meet the design needs of smaller and higher density installation, also helps to reduce assembly process and enhance reliability, flexible circuit board is etched in production process, in prior art, flexible circuit board etching process, circuit board and etching liquid are difficult to contact fully, so that etching effect is not ideal.
[0003] For example, patent publication number CN219107826U, specifically flexible circuit board etching device field, specifically relates to a kind of flexible circuit board etching device, including etching box, observation window, operating panel, box cover, filter box, drain valve, reflux mechanism, clamping mechanism, support strip, the etching box is fixedly connected with observation window on, the etching box is provided with operating panel, the etching box is provided with box cover, the etching box is fixedly connected with filter box, the utility model is added reflux pipe, spray head and filter plate etc. structure in the inside of etching box, in the process of etching flexible circuit board, etching liquid can be pumped into the inside of reflux pipe by water pump, then sprayed into liquid in the inside of etching box by spray head, and in the process of spraying, can make liquid pressure flow down along flexible circuit board, so that the debris after etching on its surface can be dropped into the bottom of etching box, can increase the etching efficiency of flexible circuit board, there is the problem that this circuit board and etching liquid are difficult to contact fully, so that etching effect is not ideal. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of the prior art, the utility model provides an etching device for flexible circuit board, which solves the problem that the circuit board and the etching liquid are difficult to fully contact, resulting in unsatisfactory etching effect.
[0005] To achieve the above object, the utility model is realized by the following technical scheme: an etching device for flexible circuit board, comprising an etching box, one side of the etching box is provided with an electric sliding rail, a plate body moving mechanism is installed on the electric sliding rail, a plurality of clamps are installed on the plate body moving mechanism.
[0006] The plate body moving mechanism comprises a stand, a hydraulic cylinder is fixedly connected to the top of the stand, an output shaft end of the hydraulic cylinder is fixedly connected with a lifting seat, two guide columns are fixedly connected to the top of the lifting seat, a swing shaft is rotatably connected in the lifting seat, a driven gear is fixedly connected to the end of the swing shaft, a driving gear is arranged on one side of the driven gear, a limiting column is slidably connected to the bottom end of the driving gear, a rotating wheel is rotatably connected to the top end of the driving gear, an oval wheel is arranged on the top of the rotating wheel, a driving motor is fixedly connected to the end of the oval wheel, a guide sliding block is fixedly connected to the surface of one side of the driving gear, a guide frame is arranged on the outer side of the guide sliding block, and a return spring is arranged in the guide frame.
[0007] Preferably, the stand is mounted on an electric sliding rail, and the stand is detachably connected to the electric sliding rail through bolts, so that the stand can be disassembled and repaired and replaced.
[0008] Preferably, the two guide columns are arranged through the stand, and a bushing is arranged between the two guide columns and the stand, so as to protect the hole wall of the stand from being damaged by friction.
[0009] Preferably, the driven gear is engaged with the driving gear, and the limiting column is fixedly installed on the lifting seat, so that the limiting column can limit the driving gear.
[0010] Preferably, the oval wheel is rotatably connected to the lifting seat, and the oval wheel is in contact with the rotating wheel, so that the oval wheel can push the rotating wheel to move.
[0011] Preferably, the guide sliding block is slidably connected to the guide frame, the guide frame is fixedly connected to the lifting seat, and the return spring is arranged between the guide sliding block and the inner wall of the guide frame, so that the guide sliding block can be reset by the return spring.
[0012] Preferably, the clamp comprises a fixed seat, the fixed seat is fixedly installed on the swing shaft, a fixed clamping block is fixedly connected to one side of the bottom of the fixed seat, a clamping screw is rotatably connected in the fixed seat, a movable block is threadedly connected to the clamping screw, a movable clamping block is fixedly connected to the bottom end of the movable block, and a non-slip rubber pad is fixedly connected to the surface of the side opposite to the movable clamping block and the fixed clamping block, so that the flexible circuit board can be conveniently fixed, and the circuit board can be prevented from being clamped.
[0013] The utility model provides a kind of etching device for flexible circuit board. Compared with prior art, the following beneficial effects are achieved:
[0014] 1. The etching device for flexible circuit board, through the hydraulic cylinder, the flexible circuit board is immersed in the etching liquid in the etching box, then the driving motor drives the driving rack to move up and down constantly, the driving rack moves and drives the driven gear to rotate, the driven gear rotates and drives the swing shaft to rotate, the swing shaft rotates and drives the flexible circuit board to swing constantly, so that the circuit board is in contact with the etching liquid fully, and the etching effect is effectively improved.
[0015] 2. The etching device for flexible circuit board, through the rotating clamping screw, the clamping screw rotates and drives the movable block to move, the movable block moves and drives the movable clamp block to move, the fixed clamp block is clamped and fixed to the flexible circuit board, and the antiskid rubber mat can play an antiskid role, and the circuit board can be prevented from being clamped. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the whole structure schematic view of the utility model;
[0017] Figure 2 It is the plate body movable mechanism structure schematic view of the utility model;
[0018] Figure 3 It is the connecting structure schematic view between the driving rack and the guide frame of the utility model;
[0019] Figure 4 It is the fixture structure schematic view of the utility model.
[0020] In the drawing: 1, etching box, 2, plate body movable mechanism, 201, stand, 202, hydraulic cylinder, 203, lifting seat, 204, guide column, 205, swing shaft, 206, driven gear, 207, driving rack, 208, limit post, 209, rotating wheel, 210, oval wheel, 211, driving motor, 212, guide slider, 213, guide frame, 214, return spring, 3, electric slide rail, 4, fixture, 401, fixed seat, 402, fixed clamp block, 403, clamping screw, 404, movable block, 405, movable clamp block, 406, antiskid rubber mat. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.
[0022] Please refer to Figures 1-3The utility model provides a technical scheme: a kind of etching device for flexible circuit board, including etching box 1, etching box 1 side is equipped with electric slide rail 3, electric slide rail 3 is installed with plate body movable mechanism 2, plate body movable mechanism 2 is installed with multiple clamps 4, can be moved by electric slide rail 3 drive plate body movable mechanism 2, it is convenient to replace flexible circuit board, using plate body movable mechanism 2 will flexible circuit board be immersed into etching box 1 inside, and drive flexible circuit board in etching liquid constantly swing, so that circuit board is contacted with etching liquid fully, effectively improve etching effect.
[0023] Plate body movable mechanism 2 includes stand 201, and stand 201 is installed on electric slide rail 3, and stand 201 is detachably connected with electric slide rail 3 by bolt, so that stand 201 can be disassembled, so that stand 201 can be overhauled and replaced, and the top of stand 201 is fixedly connected with hydraulic cylinder 202, the output shaft end of hydraulic cylinder 202 is fixedly connected with lifting seat 203, and the top of lifting seat 203 is fixedly connected with two guide columns 204, the two guide columns 204 are both provided through stand 201, and a bushing is arranged between the two guide columns 204 and stand 201, which can protect the hole wall of stand 201 and prevent friction damage, and the inside of lifting seat 203 is rotatably connected with swing shaft 205, the end of swing shaft 205 is fixedly connected with driven gear 206, one side of driven gear 206 is provided with driving rack 207, the bottom end of driving rack 207 is slidably connected with limiting column 208, driven gear 206 is engaged with driving rack 207, limiting column 208 is fixedly installed on lifting seat 203, so that limiting column 208 can limit driving rack 207, the top end of driving rack 207 is rotatably connected with rotating wheel 209, the top of rotating wheel 209 is provided with oval wheel 210, oval wheel 210 is rotatably connected with lifting seat 203, and oval wheel 210 is in contact with rotating wheel 209, so that oval wheel 210 can push rotating wheel 209 to move, the end of oval wheel 210 is fixedly connected with driving motor 211, the surface of one side of driving rack 207 is fixedly connected with guide sliding block 212, the outer side of guide sliding block 212 is provided with guide frame 213, guide frame 213 is provided with reset spring 214 inside, guide sliding block 212 is slidably connected with guide frame 213, guide frame 213 is fixedly connected with lifting seat 203, and reset spring 214 is arranged between the inner wall of guide sliding block 212 and guide frame 213, so that reset spring 214 can reset guide sliding block 212, so that rotating wheel 209 is always in contact with oval wheel 210.
[0024] Please refer to Figure 1 And Figure 4The clamp 4 comprises a fixed seat 401 fixedly installed on the swing shaft 205, a fixed clamp block 402 fixedly connected to one side of the bottom of the fixed seat 401, a clamping screw 403 rotatably connected to the inside of the fixed seat 401, a movable block 404 threadedly connected to the clamping screw 403, a movable clamp block 405 fixedly connected to the bottom end of the movable block 404, and a non-slip rubber pad 406 fixedly connected to the opposite side surfaces of the movable clamp block 405 and the fixed clamp block 402. The flexible circuit board can be clamped and fixed by rotating the clamping screw 403, moving the movable block 404, moving the movable clamp block 405, and cooperating with the fixed clamp block 402, and the non-slip rubber pad 406 can prevent the circuit board from being damaged by slipping.
[0025] During work, the hydraulic cylinder 202 drives the lifting seat 203 to move downward, so that the flexible circuit board is immersed in the etching liquid in the etching tank 1, then the driving motor 211 drives the oval wheel 210 to rotate, the oval wheel 210 drives the rotating wheel 209 to move by virtue of the oval shape of the oval wheel 210, the rotating wheel 209 drives the driving rack 207 to move by virtue of the movement of the rotating wheel 209, the driving rack 207 is constantly compressed and elongated by the guide sliding block 212, so that the driving rack 207 is constantly moved up and down, the driving rack 207 drives the driven gear 206 to rotate by virtue of the movement of the driving rack 207, the driven gear 206 drives the swing shaft 205 to rotate by virtue of the rotation of the driven gear 206, and the flexible circuit board is constantly swung by virtue of the rotation of the swing shaft 205, so that the circuit board is fully contacted with the etching liquid, and the etching effect is effectively improved.
[0026] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.
Claims
1. An etching device for flexible circuit boards, comprising an etching tank (1), characterized in that: One side of the etching box (1) is provided with an electric sliding rail (3), a plate body moving mechanism (2) is installed on the electric sliding rail (3), and a plurality of clamps (4) are installed on the plate body moving mechanism (2). The plate body moving mechanism (2) comprises a stand (201), a hydraulic cylinder (202) is fixedly connected to the top of the stand (201), the output shaft end of the hydraulic cylinder (202) is fixedly connected with a lifting seat (203), two guide columns (204) are fixedly connected to the top of the lifting seat (203), a swing shaft (205) is rotatably connected in the lifting seat (203), a driven gear (206) is fixedly connected to the end of the swing shaft (205), a driving rack (207) is arranged on one side of the driven gear (206), a limiting column (208) is slidably connected to the bottom end of the driving rack (207), a rotating wheel (209) is rotatably connected to the top end of the driving rack (207), an oval wheel (210) is arranged on the top of the rotating wheel (209), a driving motor (211) is fixedly connected to the end of the oval wheel (210), a guide sliding block (212) is fixedly connected to the surface of the driving rack (207), a guide frame (213) is arranged on the outer side of the guide sliding block (212), and a reset spring (214) is arranged in the guide frame (213).
2. An etching apparatus for flexible circuit boards as defined in claim 1 wherein: The stand (201) is installed on the electric sliding rail (3), and the stand (201) and the electric sliding rail (3) are detachably connected through bolts.
3. The etching apparatus for flexible circuit board as claimed in claim 1, wherein: The two guide columns (204) are penetratingly arranged in the stand (201), and a bushing is arranged between the two guide columns (204) and the stand (201).
4. The etching apparatus for flexible circuit board of claim 1, wherein: The driven gear (206) is engaged with the driving rack (207), and the limiting column (208) is fixedly installed on the lifting seat (203).
5. The etching apparatus for flexible circuit boards of claim 1 wherein: The oval wheel (210) is rotatably connected with the lifting seat (203), and the oval wheel (210) is in contact with the rotating wheel (209).
6. The etching apparatus for flexible circuit boards of claim 1 wherein: The guide sliding block (212) is slidably connected with the guide frame (213), the guide frame (213) is fixedly connected with the lifting seat (203), and the reset spring (214) is arranged between the inner walls of the guide sliding block (212) and the guide frame (213).
7. The etching apparatus for flexible circuit boards of claim 1 wherein: The clamp (4) comprises a fixed seat (401), the fixed seat (401) is fixedly installed on the swing shaft (205), and a fixed clamping block (402) is fixedly connected to one side of the bottom of the fixed seat (401).
8. An etching apparatus for flexible circuit boards as defined in claim 7 wherein: A clamping screw (403) is rotatably connected in the fixed seat (401), an active block (404) is threadedly connected on the clamping screw (403), an active clamping block (405) is fixedly connected to the bottom end of the active block (404), and anti-skid rubber pads (406) are fixedly connected to the opposite side surfaces of the active clamping block (405) and the fixed clamping block (402).