CN212696283U

CN212696283U - Etching device is used in circuit board processing

Info

Publication number: CN212696283U
Application number: CN202021587739.4U
Authority: CN
Inventors: 董哲学
Original assignee: Tianjin Fuchuang Technology Co ltd
Current assignee: Tianjin Fuchuang Technology Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-03-12
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses an etching device for processing a circuit board, which comprises a shell, wherein the shell is provided with three inlets, a spring is arranged on one side of the inner wall of the shell, a T-shaped pulling plate is welded on the other side of the surface of the spring, the surface of the T-shaped pulling plate is provided with three limiting grooves, the inner wall of the inlet is inserted with a clamp, the inner wall of the shell is provided with a pipeline, the left end and the right end of the surface of the pipeline are both provided with a single-side spray head, two side spray heads are arranged on one side of the surface of the pipeline, two side spray heads are arranged on the two side spray heads, a fixed block is welded at the bottom end of the inner wall of the shell, the fixture is fixed through a limiting groove, two hands are released, the circuit board in the clamp is sprayed and etched in all directions through the single-side spray head and the double-side spray head, so that the problem of side etching is greatly reduced, waste liquid is collected by a reaction kettle, and sodium sulfide solution is added by continuous stirring to produce copper sulfide precipitate.

Description

Etching device is used in circuit board processing

Technical Field

The utility model relates to an etching device technical field specifically is an etching device is used in circuit board processing.

Background

Etching (etching) is a technique in which material is removed using a chemical reaction or physical impact. The etching technology can be divided into wet etching (wet etching) and dry etching (dry etching), can be used for manufacturing printing concave-convex plates such as copperplate and zincification at the earliest time, and can also be widely used for processing Weight-saving (Weight Reduction) instrument panels, nameplates and thin workpieces which are difficult to process by the traditional processing method; through continuous improvement and development of process equipment, the method can also be used for processing precision etching products of electronic thin-sheet parts in aviation, machinery and chemical industries, and particularly, etching is an indispensable technology in semiconductor manufacturing processes.

Patent CN207947954U discloses an etching device is used in circuit board processing, and this utility model discloses an etching device is used in circuit board processing, inhale and close piece and air inlet including drag and drop structure, top cap, shell, liquid outlet, handle, magnetic force, promote piece and dog fixed weld, link and block body fixed weld, the inserted hole has been seted up in the middle of the top cap, the inside of shell is the etching pond, shell downside fixedly connected with support frame, install the valve on the liquid outlet, handle and top cap fixed weld, magnetic force is inhaled and is closed piece and shell fixed connection, the air inlet communicates with each other with the intake pipe and is connected. This etching device is used in circuit board processing, this kind of design is avoided causing the damage circuit board because of the centre gripping, leads to the production effect of circuit board not good, and secondly this equipment is inside to lead to there is the intake pipe, when the etching solution reaction, through the speed that other entering such as oxygen accelerate inside chemical reaction, promote the device's machining efficiency.

The etching device for processing the circuit board has the following defects: 1. when the etching device for processing the circuit board is used, the side etching is more serious as the time of the printed board in the etching solution is longer due to the etching by adopting the immersion method. The lateral erosion seriously affects the precision of the printed wire, and the serious lateral erosion makes the manufacture of a fine wire impossible; 2. when the etching device for processing the circuit board is used, the waste liquid cannot be treated in time, so that copper in the waste liquid is greatly wasted. Therefore, we propose an etching apparatus for processing circuit board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an etching device is used in circuit board processing fixes anchor clamps through the spacing groove, has released both hands, carries out the omnidirectional and sprays the etching through unilateral shower nozzle and both sides shower nozzle to the circuit board in the anchor clamps, great reduction the problem that the side loses like this, collect the waste liquid through reation kettle, add sodium sulfide solution production copper sulfide through continuous stirring and deposit, solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an etching device for processing a circuit board comprises a shell, wherein the shell is provided with three inlets, a spring is installed on one side of the inner wall of the shell, a T-shaped pulling plate is welded on the other side of the surface of the spring, three limiting grooves are formed in the surface of the T-shaped pulling plate, clamps are inserted into the inner wall of the inlet, a pipeline is installed on the inner wall of the shell, single-side spray heads are installed at the left end and the right end of the surface of the pipeline, two side spray heads are installed on one side of the surface of the pipeline, two double-side spray heads are installed on the other side of the surface of the pipeline, a fixed block is welded at the bottom end of the inner wall of the shell, a rotating wheel is connected to the fixed block in a surface matching sliding mode, a reaction kettle is connected to the rotating wheel in, the liquid reserve tank is installed to shell surface right side position bottom, the motor is installed to shell left side position bottom, the switch is installed to shell surface one side.

As a preferred embodiment of the utility model, motor power take off end carries out power connection through belt and concave pentagon pivot, pentagon connecting rod and concave pentagon pivot are mutually supported and are connected.

As an optimal implementation mode of the utility model, the water pumper suction input leads to pipe and links to each other with the liquid reserve tank, water pumper suction output leads to pipe and links to each other with the pipeline.

As a preferred embodiment of the present invention, the inner wall of the limiting groove is made of rubber.

As a preferred embodiment of the present invention, the switching power supply input end is electrically connected to the external power supply output end through a wire, and the switching power supply output end is electrically connected to the motor and the water pump power supply input end through a wire.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the etching method is a method for removing copper foil except a conductive circuit by using etching liquid, the prior art is etching by using a soaking method, when the etching device for processing the circuit board is used, the circuit board to be etched is fixed by a clamp, then the circuit board to be etched is inserted into an inlet on the surface of a shell, at the moment, a T-shaped pull plate is pushed in, the clamp can be smoothly inserted, the T-shaped pull plate is loosened after the circuit board is completely inserted, at the moment, the T-shaped pull plate can be popped out under the action of a spring, because the inner wall of a limiting groove is formed by rubber, a sealing structure is formed, the T-shaped pull plate also has great friction to a clamp, at the moment, because the etching liquid is stored in a liquid storage tank, the pH value is generally controlled below, and the etching liquid with high copper concentration is selected to reduce side etching, at the moment, the etching liquid is pumped into a pipeline by a water pump, at the moment, single-side spray heads are adopted at two ends of the pipeline, so that the waste of etching liquid is reduced, the circuit board can be etched, two double-side spray heads are arranged in the middle of the pipeline, namely in the middle of three clamps, so that the front and back surfaces of the circuit board can be sprayed, large side erosion can be caused by soaking and bubbling etching, splashing and spraying etching side erosion are small, particularly, the spraying etching effect is best, so that the side erosion can be better reduced, when the side erosion and the protruding edge are reduced, the etching coefficient is increased, the high etching coefficient shows the capability of keeping thin wires, the etched wires are close to the size of an original drawing, and the quality of the whole circuit board can be improved.

2. The pollution of copper to water is a ubiquitous problem in printed circuit production, and a large amount of copper runs off and is also cost-increased, at this moment, when using above-mentioned etching device for processing of circuit board, the etching solution after the spraying contains a large amount of copper scraps, at this moment can be installed and received by the reation kettle below the shower nozzle, add sodium sulfide solution in reation kettle in advance like this, at this moment the motor starts, will drive sunken pentagon pivot to rotate, because the bottom welding of reation kettle has the pentagon connecting rod, at this moment just can be fine transmit power to reation kettle, reation kettle will begin to rotate under the drive of runner, so will let sodium sulfide and copper scraps liquid carry out abundant stirring, Cu + + S-CuS ↓inthe stirring, at this moment the incessant copper scraps liquid drips into the stirring, so will more abundant reaction, after the reaction is complete, take out reation kettle, at this moment pentagon connecting rod and concave pentagon pivot will separate, let the solution after the reaction like this stand to deposit and generate the copper sulphide sediment, just so can take out polluted environment's copper and the later stage comes out the reduction cost that can be great with the copper replacement.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of the etching apparatus for processing a circuit board according to the present invention;

fig. 2 is a schematic view of the T-shaped pulling plate structure of the etching apparatus for processing circuit board of the present invention.

In the figure: 1. a housing; 2. t-shaped pulling plates; 3. an inlet; 4. a clamp; 5. a spring; 6. a water pump; 7. a pipeline; 8. a single-sided nozzle; 9. spraying heads on two sides; 10. a reaction kettle; 11. a rotating wheel; 12. a motor; 13. a pentagonal connecting rod; 14. a concave pentagonal rotating shaft; 15. a liquid storage tank; 16. a limiting groove; 17. a switch; 18. and (5) fixing blocks.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: an etching device for processing a circuit board comprises a shell 1, wherein the shell 1 is provided with three inlets 3 and three inlets 3, one side of the inner wall of the shell 1 is provided with a spring 5, the other side of the surface of the spring 5 is welded with a T-shaped pulling plate 2, the surface of the T-shaped pulling plate 2 is provided with three limiting grooves 16 and three limiting grooves 16, the inner wall of the inlet 3 is inserted with a clamp 4, the inner wall of the shell 1 is provided with a pipeline 7, the left end and the right end of the surface of the pipeline 7 are respectively provided with a single-side sprayer 8, one side of the surface of the pipeline 7 is provided with two double-side sprayers 9, the bottom end of the inner wall of the shell 1 is welded with a fixed block 18, the fixed block 18 is in surface fit sliding connection with a rotating wheel 11, the rotating wheel 11 is in surface fit rotating connection with a reaction kettle 10, the bottom, the water pump 6 is installed to 1 surperficial right side position of shell, the liquid reserve tank 15 is installed to 1 surperficial right side position bottom of shell, motor 12 is installed to 1 left side position bottom of shell, switch 17 is installed to 1 surperficial one side of shell.

In this embodiment (see fig. 1 and 2), the fixture 4 is fixed by the limiting groove 16, both hands are released, and the circuit board in the fixture 4 is subjected to all-directional spray etching by the single-side spray head 8 and the double-side spray heads 9, so that the problem of side etching is greatly reduced, the waste liquid is collected by the reaction kettle 10, and the copper sulfide precipitate is produced by adding the sodium sulfide solution through continuous stirring.

Wherein, motor 12 power take off end carries out power connection through belt and concave pentagon pivot 14, pentagon connecting rod 13 and concave pentagon pivot 14 are connected in coordination each other.

In this embodiment (see fig. 1), when the motor 12 is started, the concave pentagonal rotating shaft 14 is driven to rotate, and since the pentagonal connecting rod 13 is welded at the bottom end of the reaction kettle 10, power can be well transmitted to the reaction kettle 10.

Wherein, 6 suction input ends of water pumpers link to each other with liquid reserve tank 15 through a water pipe, 6 suction output ends of water pumpers link to each other with pipeline 7 through a water pipe.

In this embodiment (see fig. 1), the liquid storage tank 15 is connected to the pipeline 7 through the water pump 6, so that the liquid can be transported.

Wherein, the inner wall of the limit groove 16 is made of rubber.

In the embodiment (see fig. 2), since the inner wall of the limiting groove 16 is made of rubber, a sealing structure is formed and also has a large friction force on the clamp 4.

Wherein, switch 17 power input end carries out the electricity through the wire and is connected with external power supply output, switch 17 power output end carries out the electricity through wire and motor 12 and water pumper 6 power input end and is connected.

In this embodiment (see fig. 1), the motor 12 and the water pump 6 are controlled by the switch 17.

The utility model relates to an etching device for processing circuit board, which comprises a housing 1; 2. t-shaped pulling plates; 3. an inlet; 4. a clamp; 5. a spring; 6. a water pump with model PW-405 EH; 7. a pipeline; 8. a single-sided nozzle; 9. spraying heads on two sides; 10. a reaction kettle; 11. a rotating wheel; 12. the motor is Y2-7124; 13. a pentagonal connecting rod; 14. a concave pentagonal rotating shaft; 15. a liquid storage tank; 16. a limiting groove; 17. a switch; 18. the fixed block, the part is the general standard component or the part known by the skilled person, its structure and principle are known by the skilled person through the technical manual or the routine experiment method, in the idle place of the device, all the above electric devices, which refer to the power element, the electric device and the adaptive monitoring computer, are connected through the wire, the concrete connection means should refer to the following working principle, the electric connection between the electric devices is completed in sequence, the detailed connection means is the known technology in the art, the following main introduces the working principle and process, no description is made on the electric control, when working, the external power supply is switched on, the PH value of the liquid storage tank 15 is controlled below 8.5, and the etching liquid with high copper concentration is selected, the circuit board to be etched is fixed through the clamp 4, and then inserted into the inlet on the surface of the shell 1, at the moment, the T-shaped pulling plate 2 is pushed in, so that the clamp 4 can be smoothly inserted, the T-shaped pulling plate 2 is loosened after the T-shaped pulling plate is completely inserted, the T-shaped pulling plate can be ejected under the action of the spring 5, the inner wall of the limiting groove 16 is made of rubber, so that a sealing structure is formed, the friction force on the clamp 4 is also large, the etching liquid is sucked into the pipeline 7 through the water pump 6 because the etching liquid is stored in the liquid storage tank 15, the PH value is generally controlled below 8.5 in order to reduce the side erosion, the etching liquid with high copper concentration is selected to reduce the side erosion, the single-side spray nozzles 8 are adopted at the two ends of the pipeline, the waste of the etching liquid is reduced, the circuit board is etched, the two double-side spray nozzles 9 are arranged in the middle of the three clamps 4 at the middle of the pipeline, so that the front and back surfaces of the circuit board can be sprayed, because the immersion etching and the bubbling etching can cause larger side etching, the splattering etching and the spraying etching side etching are smaller, particularly the spraying etching effect is best, so that the side etching can be better reduced, when the side etching and the protruding edge are reduced, the etching coefficient is increased, the high etching coefficient shows the capability of keeping a thin wire, the etched wire is close to the size of an original drawing, the quality of the whole circuit board can be increased, the sprayed etching solution contains a large amount of waste copper and can be connected to a reaction kettle 10 arranged below a spray head, so that a sodium sulfide solution is added into the reaction kettle 10 in advance, a motor 12 is started to drive a concave pentagonal rotating shaft 14 to rotate, because a pentagonal connecting rod 13 is welded at the bottom end of the reaction kettle 10, the power can be well transmitted to the reaction kettle 10, the reaction kettle 10 can start to rotate under the driving of a rotating wheel 11, and then the sodium sulfide and the copper solution can be fully stirred, cu2+ + S2-CuS ↓inthe stirring, at this moment incessant copper scrap liquid instils into incessant stirring, reaction more abundant like this, treat the reaction totally after, take out reation kettle 10, at this moment pentagonal connecting rod 13 and concave pentagonal pivot 14 will separate, let the solution after the reaction like this stand to deposit and generate the copper sulfide sediment, just so can take out polluted environment' S copper and the later stage comes out reduction cost that can be great with the copper replacement.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an etching device is used in circuit board processing, includes shell (1), its characterized in that: the pipeline comprises a shell (1), wherein an inlet (3) and three inlets (3) are formed in the shell (1), a spring (5) is installed on one side of the inner wall of the shell (1), a T-shaped pulling plate (2) is welded on the other side of the surface of the spring (5), three limiting grooves (16) and three limiting grooves (16) are formed in the surface of the T-shaped pulling plate (2), a clamp (4) is inserted into the inner wall of the inlet (3), a pipeline (7) is installed on the inner wall of the shell (1), single-side sprayers (8) are installed at the left end and the right end of the surface of the pipeline (7), two-side sprayers (9) and two-side sprayers (9) are installed on one side of the surface of the pipeline (7), a fixing block (18) is welded at the bottom end of the inner wall of the shell (1), the surface of the fixing block (, reation kettle (10) surface bottom welding has pentagon connecting rod (13), concave pentagon pivot (14) are installed to shell (1) inner wall bottom, water pumper (6) are installed to shell (1) surface right side position, liquid reserve tank (15) are installed to shell (1) surface right side position bottom, motor (12) are installed to shell (1) left side position bottom, switch (17) are installed to shell (1) surface one side.

2. The etching apparatus for processing a circuit board according to claim 1, wherein: the power output end of the motor (12) is in power connection with the concave pentagonal rotating shaft (14) through a belt, and the pentagonal connecting rod (13) is connected with the concave pentagonal rotating shaft (14) in a matched mode.

3. The etching apparatus for processing a circuit board according to claim 1, wherein: the suction input end of the water pump (6) is connected with the liquid storage tank (15) through a water pipe, and the suction output end of the water pump (6) is connected with the pipeline (7) through a water pipe.

4. The etching apparatus for processing a circuit board according to claim 1, wherein: the inner wall of the limiting groove (16) is made of rubber.

5. The etching apparatus for processing a circuit board according to claim 1, wherein: switch (17) power input end carries out the electricity through the wire and is connected with external power supply output end, switch (17) power output end carries out the electricity through the wire and is connected with motor (12) and water pumper (6) power input end.