Circuit board etching equipment

Abstract

The utility model provides circuit board etching equipment, which relates to the technical field of circuit board etching, and comprises an etching box, a drying cavity and an etching cavity are arranged in the etching box, drying heating pipes are fixedly arranged in the drying cavity at equal intervals, a fixed pipe is fixedly connected in the etching cavity, and the drying heating pipes are fixedly connected with the etching cavity. Spraying heads are fixedly installed on the surface of the bottom of the fixing pipe at equal intervals, conveying cavities are formed in the bottoms of the drying cavity and the etching cavity, and conveying net belts are arranged in the conveying cavities. According to the etching liquid spraying device, etching liquid in the L-shaped cavity is pumped out from the liquid pumping pipe through the liquid pump and sprayed out through the connecting pipe, the fixing pipe and the spray head, the effect of spraying and etching a circuit board can be achieved, meanwhile, the used etching liquid can penetrate through the first filter plate to enter the L-shaped cavity again, and the etching liquid is sprayed out through the first filter plate. And the effect of filtering and recycling the etching liquid can be achieved, so that the effect of improving the utilization rate of the etching liquid can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to line board etching technical field especially relates to a line board etching equipment. BACKGROUND

[0002] Line board etching equipment is the key equipment for manufacturing printed circuit board (PCB), its main function is through the method of chemical etching, removes the copper foil that does not need on line board, thereby forms the circuit pattern that designs well. Basic principle is to utilize etching liquid (usually acid or alkaline chemical solution) and copper to occur chemical reaction, the copper foil that is exposed in etching liquid is dissolved, and the copper foil part protected by resist is retained, finally forms the line on circuit board.

[0003] The prior art, such as Chinese patent publication number: CN218941455U the utility model relates to etching equipment technical field, specifically relates to a line board etching equipment, its technical scheme is: including machine body, install etching mechanism on the upper portion of machine body and install etching liquid automatic replenishing mechanism on the side of etching mechanism, still include the transmission belt installed on the lower portion of machine body, the square block fixedly installed on the conveyer belt, three groups of positioning assemblies that are evenly and symmetrically arranged on the square block, the limiting assembly that is slidably arranged on the square block and the clamping groove arranged in the top end of limiting assembly, the utility model has the beneficial effects that: through square block, positioning assembly, limiting assembly and clamping groove can realize the positioning of line board, the limiting assembly of setting is simple to dismount, and it is convenient for staff to replace the limiting assembly of corresponding specification according to the line board specification to be etched, so that the etching equipment can etch and process the line board of different specifications, the scope of application is wide, and the practicality is strong.

[0004] Although the above-mentioned patent technology can etch different specifications of line board, the scope of application is wide, and the practicality is strong, but the etching process does not set up the equipment for recycling etching liquid, and the inside of etching liquid used after is usually with a large amount of copper scrap, impurities and other solid particles, which is inconvenient for subsequent recycling and use, therefore, a line board etching equipment is needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem that the etching process does not set up the equipment for recycling etching liquid in the prior art, and the inside of etching liquid used after is usually with a large amount of copper scrap, impurities and other solid particles, and proposes a line board etching equipment.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a circuit board etching equipment, including etching box, the inside of etching box is opened with drying cavity and etching cavity, the inside equal interval fixed mounting of drying cavity has drying heating pipe, the inside fixed connection of etching cavity has fixed pipe, the bottom surface equal interval fixed mounting of fixed pipe has the spray head, the bottom of drying cavity and etching cavity is opened with conveying chamber, the inside of conveying chamber is equipped with conveying mesh belt, the inside of etching box and located conveying chamber below is opened with L type cavity, the top of L type cavity is communicated with conveying chamber, the inside of L type cavity and close to the top fixed connection has first filter board, one side wall of etching box is fixedly connected with liquid pump, the liquid end of liquid pump is fixed and is communicated with the liquid pump pipe, the other end of liquid pump pipe penetrates etching box and is communicated with L type cavity, the surface of etching box penetrates and is fixedly connected with the connecting pipe, the both ends of connecting pipe are fixedly communicated with liquid pump and fixed pipe respectively, the both side walls of etching box and located first filter board are fixedly connected with fixed box, the top of fixed box is embedded with collection box, the both side inner walls of L type cavity and located first filter board above all are opened with the impurity hole, the one side wall of fixed box all is opened with square hole, the one side wall of fixed box and located square hole below embeds and is fixedly connected with second filter board, the both side inner walls of L type cavity and located first filter board below all are opened with trapezoidal hole.

[0007] Preferably, the both ends of the etching box and located conveying chamber are fixedly connected with U-shaped plate, the inside of the conveying mesh belt and close to both ends are provided with rotating rollers, the both ends of the rotating rollers penetrate the U-shaped plate and are rotatably connected with the bearings thereof, the surface of one of the U-shaped plates is fixedly connected with a driving motor, and the output end of the driving motor is fixedly connected with one end of the rotating roller.

[0008] Preferably, the surface of the etching box is fixedly connected with a liquid inlet pipe and a liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are communicated with the L-shaped cavity.

[0009] Preferably, the top of the collection box and close to the center are fixedly connected with a handle.

[0010] Preferably, the square hole and the impurity hole are aligned with each other, and the trapezoidal hole and the second filter plate are aligned with each other.

[0011] Preferably, the first filter plate is in the shape of a V-shaped plate with an opening downward.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that,

[0013] 1. The utility model discloses a liquid pump is taken from the liquid pipe place to the etching liquid in L type chamber is taken out, and through the connecting pipe, fixed pipe and shower head shower, can play the effect of etching to the circuit board, and the etching liquid of using completion can pass through the first filter board and enter the inside L type chamber again, can play the effect of filtering and recycling etching liquid again, can reach the effect of improving etching liquid use rate.

[0014] 2. The utility model discloses a first filter board is open downward V type, can play the effect of making the chippings particle slide to both sides and enter the inside collection box, can reach the effect of preventing chippings and stay on the first filter board and block the first filter board. DRAWINGS

[0015] Fig. 1 The utility model proposes a kind of overall structure perspective view of circuit board etching equipment;

[0016] Fig. 2 The utility model proposes a kind of overall structure vertical section view of circuit board etching equipment;

[0017] Fig. 3 The utility model proposes a kind of overall structure horizontal section view of circuit board etching equipment.

[0018] Legend: 1, etching box;2, drying cavity;3, etching cavity;4, drying heating pipe;5, fixed pipe;6, shower head;7, conveying cavity;8, U plate;9, conveying mesh belt;10, rotating roller;11, drive motor;12, L type chamber;13, first filter board;14, liquid pump;15, connecting pipe;16, liquid suction pipe;17, liquid inlet pipe;18, liquid outlet pipe;19, fixed box;20, collection box;21, handle;22, square hole;23, second filter board;24, trapezoidal hole;25, impurity inlet. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and examples. It should be explained that the examples and features in the examples of the present application can be combined with each other without conflict.

[0020] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the utility model, but the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific examples disclosed in the following disclosure.

[0021] Example 1, as Figs. 1-3The utility model provides a circuit board etching equipment, including etching box 1 through the inside opening of etching box 1 has drying cavity 2 and etching cavity 3, the inside equal interval fixed mounting of drying cavity 2 has drying heating pipe 4, can play the effect that drying of the circuit board that passes below, through the inside fixed connection of etching cavity 3 has fixed pipe 5, the bottom surface equal interval fixed mounting of fixed pipe 5 has shower nozzle 6, can play the effect that shower nozzle 6 sprays the liquid in fixed pipe 5, through the bottom opening of drying cavity 2 and etching cavity 3 has conveying cavity 7, the inside of conveying cavity 7 is equipped with conveying mesh belt 9, can play the effect of conveying circuit board, the inside of etching box 1 and located conveying cavity 7 below has L type cavity 12, and L type cavity 12's top is communicated with conveying cavity 7, and the inside of L type cavity 12 and close to the top fixed connection has first filter plate 13, and one side wall of etching box 1 is fixedly connected with liquid pump 14, and the liquid pumping end of liquid pump 14 is fixed and is communicated with liquid pumping pipe 16, and the other end of liquid pumping pipe 16 penetrates etching box 1 and is communicated with L type cavity 12, and the surface of etching box 1 penetrates and is fixedly connected with connecting pipe 15, and the both ends of connecting pipe 15 are fixedly communicated with liquid pump 14 and fixed pipe 5, can play the effect that liquid pump 14 draws the etching liquid in L type cavity 12 into fixed pipe 5 inside, through the both side walls of etching box 1 and located first filter plate 13 fixedly connected with fixed box 19, and the top of fixed box 19 is embedded with collection box 20, and the both side inner walls of L type cavity 12 and located first filter plate 13 above all are equipped with impurity inlet hole 25, and the side wall of fixed box 19 all are equipped with square hole 22, and the side wall of fixed box 19 and located square hole 22 below embeds and is fixedly connected with second filter plate 23, and the both side inner walls of L type cavity 12 and located first filter plate 13 below all are equipped with trapezoidal hole 24, can play the effect that the debris particles on the surface of first filter plate 13 slide to both sides and enter collection box 20 inside from impurity inlet hole 25 and square hole 22 and collect, and the liquid in debris can pass through second filter plate 23 again and enter the inside of L type cavity 12 effect.

[0022] Example 2, as Figs. 1-3As shown, the both ends of the etching box 1 are fixedly connected with U-shaped plates 8 at the conveying cavity 7, the inside of the conveying mesh belt 9 is provided with rotating rollers 10 near the both ends, the both ends of the rotating rollers 10 penetrate through the U-shaped plates 8 and are rotatably connected with the bearings of the U-shaped plates 8, the surface of one of the U-shaped plates 8 is fixedly connected with a driving motor 11, the output end of the driving motor 11 is fixedly connected with one end of the rotating roller 10, which can drive the driving motor 11 to rotate the rotating roller 10 and drive the conveying mesh belt 9 to transmit; the surface of the etching box 1 is fixedly connected with a liquid inlet pipe 17 and a liquid outlet pipe 18, the liquid inlet pipe 17 and the liquid outlet pipe 18 are communicated with the L-shaped cavity 12, which can realize the effects of liquid inlet and liquid outlet; the top of the collecting box 20 is fixedly connected with a handle 21 near the center, which can realize the effect of conveniently pulling out the collecting box 20; the square hole 22 is aligned with the impurity inlet hole 25, and the trapezoidal hole 24 is aligned with the second filter plate 23, which can realize the effects that the impurities enter the square hole 22 and the trapezoidal hole 24, and the liquid in the impurity particles can enter the L-shaped cavity 12 again through the second filter plate 23 and the trapezoidal hole 24; the first filter plate 13 is in the shape of a V-shaped plate with the opening downward, which can realize the effect that a large amount of copper scraps and impurities slide to the both sides.

[0023] Working principle: the driving motor 11 drives the rotating roller 10 to rotate, the rotating roller 10 drives the conveying mesh belt 9 to transmit, and the circuit board can be conveyed, at this time, the liquid pump 14 draws the etching liquid in the L-shaped cavity 12 from the liquid suction pipe 16, and the etching liquid is sprayed out from the spray head 6 through the connecting pipe 15 and the fixed pipe 5, which can realize the effect of spraying and etching the circuit board, and the used etching liquid can enter the L-shaped cavity 12 again through the conveying mesh belt 9 and the first filter plate 13, which can realize the effects of filtering and recycling the etching liquid, and the first filter plate 13 is in the shape of a V-shaped plate with the opening downward, which can realize the effect that the debris particles slide to the both sides and enter the collecting box 20, so that the effect of preventing the debris from remaining on the first filter plate 13 and blocking the first filter plate 13 can be achieved, and after the circuit board is etched, the circuit board can be dried and discharged through the drying and heating pipe 4 below, and the handle 21 can be held to pull out the collecting box 20 and remove the particles.

[0024] The wiring diagram of the drying and heating pipe 4, the spray head 6, the driving motor 11 and the liquid pump 14 in the utility model belongs to the common knowledge in the field, and the working principle is a known technology, and the model is selected according to the actual use, so the control mode and the wiring arrangement of the drying and heating pipe 4, the spray head 6, the driving motor 11 and the liquid pump 14 are not explained in detail.

[0025] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A circuit board etching apparatus, comprising an etching chamber (1), characterized in that: The etching chamber (1) has a drying chamber (2) and an etching chamber (3) inside. Drying heating tubes (4) are fixedly installed at equal intervals inside the drying chamber (2). A fixed tube (5) is fixedly connected inside the etching chamber (3). Spray nozzles (6) are fixedly installed at equal intervals on the bottom surface of the fixed tube (5). A conveying chamber (7) is opened at the bottom of the drying chamber (2) and the etching chamber (3). A conveying mesh belt (9) is provided inside the conveying chamber (7). An L-shaped cavity (12) is opened inside the etching chamber (1) and below the conveying chamber (7). The top of the L-shaped cavity (12) is connected to the conveying chamber (7). A first filter plate (13) is fixedly connected inside the L-shaped cavity (12) and near the top. A liquid pump (14) is fixedly connected to one side wall of the etching chamber (1). The liquid pump (14) has a fixed and connected liquid suction pipe (16) at its suction end. (16) The other end passes through the etching box (1) and communicates with the L-shaped cavity (12). A connecting pipe (15) is fixedly connected through the surface of the etching box (1). The two ends of the connecting pipe (15) are fixedly connected to the liquid pump (14) and the fixed pipe (5) respectively. A fixed box (19) is fixedly connected to both sides of the etching box (1) and at the first filter plate (13). A collection box (20) is embedded in the top of the fixed box (19). An inlet hole (25) is opened on both sides of the inner wall of the L-shaped cavity (12) and above the first filter plate (13). A square hole (22) is opened on one side of the fixed box (19). A second filter plate (23) is embedded and fixedly connected to one side of the fixed box (19) and below the square hole (22). A trapezoidal hole (24) is opened on both sides of the inner wall of the L-shaped cavity (12) and below the first filter plate (13).

2. The circuit board etching equipment according to claim 1, characterized in that: U-shaped plates (8) are fixedly connected to both ends of the etching box (1) and to the conveying chamber (7). Rotating rollers (10) are provided inside the conveying mesh belt (9) and near both ends. Both ends of the rotating rollers (10) pass through the U-shaped plates (8) and are rotatably connected to their bearings. A drive motor (11) is fixedly connected to the surface of one of the U-shaped plates (8). The output end of the drive motor (11) is fixedly connected to one end of the rotating roller (10).

3. The circuit board etching equipment according to claim 1, characterized in that: The surface of the etching box (1) is fixedly connected to an inlet pipe (17) and an outlet pipe (18), which are connected to the L-shaped cavity (12).

4. The circuit board etching equipment according to claim 1, characterized in that: A handle (21) is fixedly connected to the top of the collection box (20) near the center.

5. The circuit board etching equipment according to claim 1, characterized in that: The square hole (22) is aligned with the impurity inlet hole (25), and the trapezoidal hole (24) is aligned with the second filter plate (23).

6. The circuit board etching equipment according to claim 1, characterized in that: The first filter plate (13) is V-shaped with the opening facing downwards.

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