CN219107826U

CN219107826U - Flexible circuit board etching device

Info

Publication number: CN219107826U
Application number: CN202223119707.3U
Authority: CN
Inventors: 徐伟来
Original assignee: Dongguan Yaner Chemical Technology Co ltd
Current assignee: Dongguan Yaner Chemical Technology Co ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-05-30
Anticipated expiration: 2033-04-26

Abstract

The utility model belongs to the field of flexible circuit board etching devices, and particularly relates to a flexible circuit board etching device which comprises an etching box, an observation window, an operation panel, a box cover, a filter box, a liquid discharge valve, a reflux mechanism, a clamping mechanism and support bars, wherein the etching box is fixedly connected with the observation window, the operation panel is arranged on the etching box, the box cover is arranged on the etching box, and the filter box is fixedly connected with the etching box. According to the utility model, the reflux pipe, the spray head, the filter plate and other structures are additionally arranged in the etching box, so that etching liquid can be sucked into the reflux pipe through the water pump in the etching process of the flexible circuit board, then sprayed into liquid in the etching box through the spray head, and the hydraulic pressure can flow down along the flexible circuit board in the spraying process, so that chips etched on the surface of the flexible circuit board can fall into the bottom of the etching box, and the etching efficiency of the flexible circuit board can be increased.

Description

Flexible circuit board etching device

Technical Field

The utility model relates to the technical field of flexible circuit board etching devices, in particular to a flexible circuit board etching device.

Background

One way to process flexible circuit boards is etching, which is etching the outside of the flexible circuit board through a special liquid, according to patent grant publication No.: the utility model discloses a flexible circuit board etching device proposed by CN 213043910U, which belongs to the field of circuit board etching and has the technical scheme that: including circuit board etching device body, one-way door, electric telescopic handle, this kind of flexible circuit board etching device, the box body on the etching board holds the flexible heart circuit board, and the box body can take out alone from the etching board and play the effect of protecting the flexible circuit board, the upper end opening part of second box body is equipped with mobilizable baffle, prevent because flexible circuit board quality is light and float the effect of the inhomogeneous phenomenon of reaction in the etching solution, be equipped with the intake pipe in the left side of circuit board etching device body, can pour into the etching intracavity with air through the promotion that is connected with piston electric telescopic handle, the etching solution contacts oxygen and reacts with higher speed, the etching solution fluctuates about under the promotion of piston, play the effect acceleration reaction of stirring. But etching device among the prior art is flexible to the in-process that carries out the clamping to the circuit board, and the in-process of clamping is comparatively troublesome, influences clamping efficiency to at the in-process of etching, disturbance effect is relatively poor to the etching solution through gas, and the circuit board piece after the etching bonds in the outside of the board of circuit easily, influences etching effect. Accordingly, improvements in the art are needed.

Disclosure of Invention

The utility model aims to provide a flexible circuit board etching device, which solves the problems that clamping and etching effects of a circuit board are inconvenient to carry out are poor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flexible circuit board etching device, includes etching case, observation window, operating panel, case lid, rose box, flowing back valve, reflux mechanism, clamping mechanism, support bar, fixedly connected with observation window on the etching case, be provided with operating panel on the etching case, be provided with the case lid on the etching case, fixedly connected with rose box on the etching case, fixedly connected with flowing back valve on the rose box, be provided with reflux mechanism on the etching case, the inside sliding connection of etching case has the support bar, be provided with clamping mechanism on the support bar.

Preferably, the reflux mechanism includes back flow, shower nozzle, filter, pipette, water pump, fixedly connected with back flow on the etching case, fixedly connected with a plurality of evenly distributed's shower nozzle on the back flow, the inside sliding connection of rose box has the filter, fixedly connected with pipette on the rose box, the inside fixedly connected with water pump of rose box, the output of water pump with back flow fixed connection, the filter can filter the etching piece in the liquid.

Preferably, the return pipe is fixedly connected with the liquid draining valve, the return pipe is fixedly connected with the filter box, and the liquid draining valve can drain liquid in the return pipe.

Preferably, the inside of filter is provided with multilayer non-woven fabrics, the shape of pipette is the U type, and the inside of filter tank can be inhaled to the inside of etching tank liquid to the pipette.

Preferably, the clamping mechanism comprises a clamping frame, a hinged plate, clamping blocks, tension springs, a silica gel sleeve and a flexible circuit board, wherein the clamping frame is fixedly connected with the inside of the supporting bar, the hinged plate is hinged to the inside of the clamping frame, the clamping blocks are fixedly connected to the hinged plate, the tension springs are arranged on the hinged plate, the silica gel sleeve is fixedly connected to the hinged plate, the flexible circuit board is contacted to the clamping blocks, and the tension springs can be protected by the silica gel sleeve.

Preferably, both ends of the tension spring are fixedly connected with the hinged plates, the silica gel sleeve is sleeved on the outer side of the tension spring, and the tension spring can drive the hinged plates to clamp the flexible circuit board through elasticity.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the reflux pipe, the spray head, the filter plate and other structures are additionally arranged in the etching box, so that etching liquid can be sucked into the reflux pipe through the water pump in the etching process of the flexible circuit board, then sprayed into liquid in the etching box through the spray head, and the hydraulic pressure can flow down along the flexible circuit board in the spraying process, so that chips etched on the surface of the flexible circuit board can fall into the bottom of the etching box, and the etching efficiency of the flexible circuit board can be increased.

2. According to the flexible circuit board clamping device, the tension springs, the hinged plates, the clamping blocks and the like are additionally arranged in the clamping frame, and the clamping blocks on the hinged plates can be driven by the elastic force of the tension springs to clamp the flexible circuit board, so that the flexible circuit board is prevented from floating and is convenient to clamp.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present utility model;

FIG. 3 is a top view of the time box of FIG. 2 of the present utility model;

fig. 4 is an enlarged view of the structure of the portion a of fig. 2 according to the present utility model.

In the figure: 1. an etching box; 2. an observation window; 3. an operation panel; 4. a case cover; 5. a filter box; 6. a liquid discharge valve; 7. a reflow mechanism; 8. clamping mechanism; 9. a support bar; 71. a return pipe; 72. a spray head; 73. a filter plate; 74. a pipette; 75. a water pump; 81. clamping a frame; 82. a hinged plate; 83. clamping blocks are arranged; 84. a tension spring; 85. a silica gel sleeve; 86. a flexible circuit board.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2 and 3, a flexible circuit board etching device comprises an etching box 1, an observation window 2, an operation panel 3, a box cover 4, a filter box 5, a liquid discharge valve 6, a backflow mechanism 7, a clamping mechanism 8 and a supporting bar 9, wherein the observation window 2 is fixedly connected to the etching box 1, the operation panel 3 is arranged on the etching box 1, the box cover 4 is arranged on the etching box 1, the filter box 5 is fixedly connected to the etching box 1, the liquid discharge valve 6 is fixedly connected to the filter box 5, the backflow mechanism 7 is arranged on the etching box 1, the supporting bar 9 is slidably connected to the inside of the etching box 1, and the clamping mechanism 8 is arranged on the supporting bar 9.

Referring to fig. 1, 2 and 3, the reflow mechanism 7 includes a reflow tube 71, a spray head 72, a filter plate 73, a liquid suction pipe 74 and a water pump 75, the reflow tube 71 is fixedly connected to the etching tank 1, the spray head 72 is fixedly connected to the reflow tube 71, the filter plate 73 is slidingly connected to the inside of the filter tank 5, the liquid suction pipe 74 is fixedly connected to the filter tank 5, the water pump 75 is fixedly connected to the output end of the water pump 75 and the reflow tube 71, the filter plate 73 can filter etching scraps in liquid, the reflow tube 71 is fixedly connected to the liquid discharge valve 6, the reflow tube 71 is fixedly connected to the filter tank 5, the liquid discharge valve 6 can discharge liquid inside the reflow tube 71, a plurality of layers of non-woven fabrics are arranged inside the filter plate 73, the liquid suction pipe 74 is in a U shape, and the liquid suction pipe 74 can suck the liquid inside the etching tank 1 into the filter tank 5.

Referring to fig. 1, 2 and 4, the clamping mechanism 8 comprises a clamping frame 81, a hinged plate 82, a clamping block 83, a tension spring 84, a silica gel sleeve 85 and a flexible circuit board 86, wherein the clamping frame 81 is fixedly connected with the inside of the supporting bar 9, the hinged plate 82 is hinged to the inside of the clamping frame 81, the clamping block 83 is fixedly connected to the hinged plate 82, the tension spring 84 is arranged on the hinged plate 82, the silica gel sleeve 85 is fixedly connected to the hinged plate 82, the flexible circuit board 86 is contacted to the clamping block 83, the tension spring 84 can be protected by the silica gel sleeve 85, two ends of the tension spring 84 are fixedly connected with the hinged plate 82, the silica gel sleeve 85 is sleeved on the outer side of the tension spring 84, and the tension spring 84 can drive the hinged plate 82 to clamp the flexible circuit board 86 through elasticity.

The specific implementation process of the utility model is as follows: when the flexible circuit board 86 needs to be etched, the two hinge plates 82 are separated, the hinge plates 82 stretch the tension springs 84, then the flexible circuit board 86 is placed between clamping blocks 83 on the two hinge plates 82, after the placement is completed, the hinge plates 82 are loosened, the tension springs 84 reset, the tension springs 84 can drive the clamping blocks 83 to clamp the flexible circuit board 86 through elasticity, and after the internal clamping of the clamping frame 81 is completed, the support bars 9 are placed in the etching box 1;

after the etching device is placed, the flexible circuit board 86 can be etched through the etching liquid in the etching device, in the etching process, the water pump 75 is started, the water pump 75 generates suction, the suction is transmitted to the inside of the liquid suction pipe 74 through the filter box 5, the liquid in the etching box 1 is sucked into the inside of the filter box 5 through the liquid suction pipe 74, then enters the inside of the water pump 75 after being filtered by the filter plate 73, the water pump 75 is conveyed to the inside of the spray head 72 through the return pipe 71, the liquid is flushed outside the flexible circuit board 86 through the spray head 72, and etched scraps can be flushed to the bottom of the etching box 1, so that the etching efficiency can be accelerated.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flexible circuit board etching device, includes etching case (1), observation window (2), operating panel (3), case lid (4), rose box (5), flowing back valve (6), reflux mechanism (7), clamping mechanism (8), support bar (9), its characterized in that: the novel etching device is characterized in that an observation window (2) is fixedly connected to the etching box (1), an operation panel (3) is arranged on the etching box (1), a box cover (4) is arranged on the etching box (1), a filter box (5) is fixedly connected to the etching box (1), a liquid discharge valve (6) is fixedly connected to the filter box (5), a backflow mechanism (7) is arranged on the etching box (1), a supporting bar (9) is connected to the etching box (1) in a sliding mode, and a clamping mechanism (8) is arranged on the supporting bar (9).

2. The flexible circuit board etching device according to claim 1, wherein: the back flow mechanism (7) comprises a back flow (71), a spray head (72), a filter plate (73), a liquid suction pipe (74) and a water pump (75), wherein the back flow (71) is fixedly connected to the etching box (1), a plurality of evenly distributed spray heads (72) are fixedly connected to the back flow (71), the filter plate (73) is slidingly connected to the inside of the filter box (5), the liquid suction pipe (74) is fixedly connected to the filter box (5), the water pump (75) is fixedly connected to the inside of the filter box (5), and the output end of the water pump (75) is fixedly connected with the back flow (71).

3. The flexible circuit board etching device according to claim 2, wherein: the return pipe (71) is fixedly connected with the liquid discharge valve (6), and the return pipe (71) is fixedly connected with the filter tank (5).

4. The flexible circuit board etching device according to claim 2, wherein: the inside of filter (73) is provided with multilayer non-woven fabrics, the shape of pipette (74) is the U type.

5. The flexible circuit board etching device according to claim 1, wherein: clamping mechanism (8) are including clamping frame (81), hinged plate (82), clamping piece (83), extension spring (84), silica gel cover (85), flexible circuit board (86), the inside fixedly connected with clamping frame (81) of support bar (9), the inside of clamping frame (81) articulates there is hinged plate (82), fixedly connected with clamping piece (83) on hinged plate (82), be provided with extension spring (84) on hinged plate (82), fixedly connected with silica gel cover (85) on hinged plate (82), the contact has flexible circuit board (86) on clamping piece (83).

6. The flexible circuit board etching device according to claim 5, wherein: both ends of the tension spring (84) are fixedly connected with the hinge plates (82), and the silica gel sleeve (85) is sleeved on the outer side of the tension spring (84).