CN209930633U

CN209930633U - PCB etching machine

Info

Publication number: CN209930633U
Application number: CN201920085275.8U
Authority: CN
Inventors: 王锡祥; 刘东虎
Original assignee: Ningbo Daxie Development Zone Crystal Electronics Co Ltd
Current assignee: Ningbo Daxie Development Zone Crystal Electronics Co Ltd
Priority date: 2019-01-18
Filing date: 2019-01-18
Publication date: 2020-01-10
Anticipated expiration: 2029-01-18

Abstract

The utility model discloses a PCB circuit board etching machine, including frame, first switch, second switch, motor, suction pump, exhaust fan and heating pipe, the welding of one side at the frame back has the motor, and the output of motor is connected with the drive roll through the bearing, the other end of drive roll passes through the bearing and connects on the frame, be connected with the driven voller through the bearing on the positive inner wall of frame, and connect through the belt between driven voller and the drive roll, etching chamber, washing chamber and stoving chamber have from left to right been seted up in proper order to the inside of frame, the opening has all been seted up on the inner wall in etching chamber, washing chamber and stoving chamber. This PCB circuit board etching machine easy operation is convenient, and labour saving and time saving will etch, clean and dry and combine together to mutual noninterference between each operation makes can be swift carry out etching, clean, stoving operation, has improved the output of circuit board etching processing, has further improved work efficiency, has improved the practicality of device.

Description

PCB etching machine

Technical Field

The utility model relates to an etching machine technical field specifically is a PCB circuit board etching machine.

Background

The PCB circuit board etching machine carries out oxidation reduction on a layer of metal foil layer on the surface of the PCB circuit board through etching liquid, plays an important role in the manufacturing process of the PCB circuit board, is continuously innovated and developed, basically meets the use requirements of people, still has certain problems, refer to a comparison patent, and discloses an automatic etching and cleaning etching machine with the publication number of CN208029206U, wherein the comparison patent clearly provides that the traditional etching machine only can etch the circuit board, but still needs manual operation for cleaning, but the etching liquid has strong corrosivity, is unfavorable for the health of a human body after long-term contact, and basically carries out the etching and the cleaning separately, and has low working efficiency, so the automatic etching and cleaning etching machine is designed to solve the problems, and the working efficiency is improved by combining the etching and the cleaning processes into a whole, the synthesis process is automatically carried out in a relatively closed environment, the contact chance of workers to etching solution is reduced, the harm to the health of the workers is reduced, the requirements of all production can be met only by investing little manpower, the waste of manpower resources is greatly reduced, the production cost is reduced, although the problems that the etching and the cleaning are basically carried out separately and independently and the working efficiency is low are solved in a comparison patent, in practical application, because the devices are basically mass-produced during etching, and the devices are immediately rotated to one side of a cleaning cavity after the etching is finished in the design in the comparison patent, the devices cannot be continuously etched while cleaning a circuit board, the etching yield of the circuit board is reduced, and therefore a PCB circuit board etching machine is urgently needed to solve the problems.

The utility model discloses the technical principle and the theory of operation that well etching solution sprayed and the clear water sprayed are the same with the technical principle and the theory of operation that the etching solution in the automatic etching of publication number CN208029206U, clear etching machine sprayed and the clear water sprayed, and consequently do not describe in detail here.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCB circuit board etching machine to solve traditional this type of device that proposes in the above-mentioned background art and solved etching and wash and just go on separately basically, problem that work efficiency is low, but the device can not continue to etch when cleaning the circuit board, has reduced the problem of the output of circuit board etching.

In order to achieve the above object, the utility model provides a following technical scheme: a PCB circuit board etching machine comprises an outer frame, a first switch, a second switch, a motor, a water suction pump, an exhaust fan and a heating pipe, wherein the motor is welded on one side of the back of the outer frame, the output end of the motor is connected with a driving roller through a bearing, the other end of the driving roller is connected onto the outer frame through a bearing, a driven roller is connected onto the front inner wall of the outer frame through a bearing, and the driven roller and the driving roller are connected through a belt, an etching cavity, a cleaning cavity and a drying cavity are sequentially arranged in the outer frame from left to right, openings are formed in the inner walls of the etching cavity, the cleaning cavity and the drying cavity, a liquid storage box is fixed at the top end of the outer frame above the etching cavity, etching nozzles are symmetrically arranged at the bottom end of the liquid storage box, the etching nozzles extend to the inside the etching cavity, the water suction pump is arranged on the ground below the left side, the drain pipe is all installed with the bottom in washing chamber to the etching chamber, and is linked together through the second connecting pipe between drain pipe and the suction pump, the frame top of washing chamber top is fixed with the storage water tank, and the bottom of storage water tank installs the washing shower nozzle, it extends to washing intracavity portion to wash the shower nozzle, be connected with the header tank through another second connecting pipe on the drain pipe of bottom, the top welding of stoving intracavity portion has the frame of drying, and the inside top of frame of drying has the exhaust fan through the fix with screw, the inside bottom mounting of frame of drying has the heating pipe.

Preferably, the right side of the outer frame is provided with a first switch, and the outer frame below the first switch is provided with a second switch.

Preferably, the output end of the first switch is electrically connected with the input ends of the motor and the water pump through wires, and the output end of the second switch is electrically connected with the input ends of the exhaust fan and the heating pipe through wires.

Preferably, the surface of the belt is uniformly provided with through holes, and the height of the opening is greater than the sum of the height of the belt and the height of the circuit board.

Preferably, the bottom ends of the inside of the etching chamber and the cleaning chamber are welded with guide plates.

Preferably, the guide plate is inclined, and the diameter of an opening formed in the end of the guide plate is equal to the diameter of the top end of the liquid outlet pipe.

Compared with the prior art, the beneficial effects of the utility model are that: this PCB circuit board etching machine easy operation is convenient, and labour saving and time saving will etch, clean and dry and combine together to mutual noninterference between each operation makes can be swift carry out etching, clean, stoving operation, has improved the output of circuit board etching processing, has further improved work efficiency, has improved the practicality of device.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is a schematic side view of the structure of the present invention;

FIG. 4 is an enlarged view of B in FIG. 3;

fig. 5 is a first circuit block diagram of the present invention;

fig. 6 is a second circuit block diagram of the present invention.

In the figure: 1. an outer frame; 2. a first switch; 3. a second switch; 4. a motor; 5. a drive roll; 6. a driven roller; 7. a belt; 8. etching the cavity; 9. a cleaning chamber; 10. a drying cavity; 11. an opening; 12. a baffle; 13. a liquid storage tank; 14. etching the spray head; 15. a water pump; 16. a first connecting pipe; 17. a liquid outlet pipe; 18. a second connecting pipe; 19. a water storage tank; 20. cleaning the spray head; 21. a water collection tank; 22. drying the frame; 23. an exhaust fan; 24. heating the tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides an embodiment:

a PCB circuit board etching machine comprises an outer frame 1, a first switch 2, a second switch 3, a motor 4, a water pump 15, an exhaust fan 23 and a heating pipe 24, wherein the motor 4 is welded on one side of the back of the outer frame 1, the output end of the motor 4 is connected with a driving roller 5 through a bearing, the other end of the driving roller 5 is connected on the outer frame 1 through a bearing, a driven roller 6 is connected on the inner wall of the front side of the outer frame 1 through a bearing, the driven roller 6 is connected with the driving roller 5 through a belt 7, through holes are uniformly formed in the surface of the belt 7, the height of an opening 11 is larger than the sum of the height of the belt 7 and the height of a circuit board, the function is that through the arrangement of the through holes, the liquid sprayed by an etching nozzle 14 and a cleaning nozzle 20 can well flow into a corresponding device through a guide plate 12, an etching cavity 8, a cleaning cavity 9 and a drying cavity 10 are sequentially arranged in the outer frame 1 from left to right, openings 11 are respectively arranged on the inner walls of the etching cavity 8, the cleaning cavity 9 and the drying cavity 10, guide plates 12 are welded at the bottom ends of the etching cavity 8 and the cleaning cavity 9, the function of the device is that the arrangement of the guide plate 12 ensures that the residual liquid after working can well enter the liquid storage tank 13 and the water collection tank 21, the guide plate 12 is in an inclined shape, the diameter of an opening formed at the end part of the guide plate 12 is equal to the diameter of the top end of the liquid outlet pipe 17, the effect is that the liquid recovery efficiency is further improved through the inclined design, the accumulation of the liquid at the bottom ends inside the etching cavity 8 and the cleaning cavity 9 inside the device is avoided, the device is influenced, and through the design of the diameter, the liquid at the bottom ends inside the etching chamber 8 and the cleaning chamber 9 can well enter the corresponding liquid storage tank 13 and the corresponding water collecting tank 21 through the liquid outlet pipe 17.

A liquid storage tank 13 is fixed at the top end of an outer frame 1 above an etching cavity 8, etching nozzles 14 are symmetrically installed at the bottom end of the liquid storage tank 13, the etching nozzles 14 extend into the etching cavity 8, a water suction pump 15 is installed on the ground at the left lower part of the outer frame 1, the water suction pump 15 is communicated with the liquid storage tank 13 through a first connecting pipe 16, liquid outlet pipes 17 are installed at the bottom ends of the etching cavity 8 and a cleaning cavity 9, the liquid outlet pipes 17 are communicated with the water suction pump 15 through a second connecting pipe 18, a water storage tank 19 is fixed at the top end of the outer frame 1 above the cleaning cavity 9, a cleaning nozzle 20 is installed at the bottom end of the water storage tank 19, the cleaning nozzle 20 extends into the cleaning cavity 9, a water collection tank 21 is connected onto the liquid outlet pipe 17 at the bottom end through another second connecting pipe 18, a drying frame 22 is welded at the top end inside the drying cavity 10, a heating pipe 24 is fixed at the bottom end inside the drying frame 22, a first switch 2 is arranged on the right side of the outer frame 1, a second switch 3 is arranged on the outer frame 1 below the first switch 2, the output end of the first switch 2 is electrically connected with the input ends of the motor 4 and the water suction pump 15 through wires, the output end of the second switch 3 is electrically connected with the input ends of the exhaust fan 23 and the heating pipe 24 through wires, the external power supply is used for providing electric energy for the device, then the motor 4 and the water suction pump 15 work through pressing the first switch 2, the motor 4 drives the driving roller 5 to rotate, the driven roller 6 rotates under the action of the belt 7, the circuit board is placed on the surface of the belt 7 at the moment, the circuit board on the surface of the belt 7 enters the etching cavity 8 inside the outer frame 1 under the actions of the driving roller 5, the driven roller 6 and the belt 7, through spraying of liquid reserve tank 13, carry out the etching operation, continue to advance after that, get into and wash the inside back of chamber 9, will be at spraying of washing shower nozzle 20, wash the circuit board, clear up the remaining etching solution in surface, get into stoving chamber 10 inside at last, through pressing down second switch 3, make exhaust fan 23 and heating pipe 24 work, make the hot-blast blow of production on the circuit board, dry the circuit board, shift out from frame 1 inside again at last, operating personnel only need in the back with the circuit board that dries well collect can, the operation is simple and convenient, time saving and labor saving, and to etch, clean and stoving fuse together, and each operation is mutual noninterference, make can be swift etch, clean, stoving operation, the output of circuit board etching processing has been improved, further work efficiency is improved.

The working principle is as follows: when the device is used, firstly, the device is externally connected with a power supply to provide electric energy for the device, then the first switch 2 is pressed to enable the motor 4 to work to drive the driving roller 5 to slowly rotate, the driven roller 6 is driven to slowly rotate along with the belt 7 under the action of the belt 7, at the moment, the circuit board is placed on the surface of the belt 7 and slowly enters the outer frame 1 along with the belt 7, after the circuit board enters the etching cavity 8, the circuit board on the belt 7 is sprayed with etching solution through the liquid storage tank 13 and the etching spray head 14, then the circuit board passes through the opening 11 to enter the cleaning cavity 9, the circuit board on the belt 7 is cleaned through the water storage tank 19 and the cleaning spray head 20, the etching solution remained during etching on the circuit board is cleaned, finally, the circuit board enters the drying cavity 10, the exhaust fan 23 and the heating pipe 24 work by pressing the second switch 3, the temperature generated by the heating pipe 24, the etching liquid flowing into the bottom end inside the etching cavity 8 enters the liquid outlet pipe 17 under the flow guiding action of the guide plate 12 through the work of the water suction pump 15 in the etching process, and then enters the liquid storage tank 13 through the second connecting pipe 18 and the first connecting pipe 16, so that the hot air is generated, the circuit board cleaned on the belt 7 is dried, and finally the circuit board is moved out of the outer frame 1 and collected.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.

Claims

1. The utility model provides a PCB circuit board etching machine, includes frame (1), first switch (2), second switch (3), motor (4), suction pump (15), exhaust fan (23) and heating pipe (24), its characterized in that: the etching device is characterized in that a motor (4) is welded on one side of the back of the outer frame (1), the output end of the motor (4) is connected with a driving roller (5) through a bearing, the other end of the driving roller (5) is connected onto the outer frame (1) through a bearing, a driven roller (6) is connected onto the front inner wall of the outer frame (1) through a bearing, the driven roller (6) and the driving roller (5) are connected through a belt (7), an etching cavity (8), a cleaning cavity (9) and a drying cavity (10) are sequentially arranged in the outer frame (1) from left to right, openings (11) are formed in the inner walls of the etching cavity (8), the cleaning cavity (9) and the drying cavity (10), a liquid storage tank (13) is fixed at the top end of the outer frame (1) above the etching cavity (8), etching nozzles (14) are symmetrically arranged at the bottom end of the liquid storage tank (13), and the etching nozzles (14, the subaerial suction pump (15) of installing of frame (1) left side below, and be linked together through first connecting pipe (16) between suction pump (15) and liquid reserve tank (13), drain pipe (17) are all installed with the bottom in etching chamber (8) and washing chamber (9), and are linked together through second connecting pipe (18) between drain pipe (17) and suction pump (15), frame (1) top of washing chamber (9) top is fixed with storage water tank (19), and the bottom of storage water tank (19) installs washing shower nozzle (20), inside washing shower nozzle (20) extend to washing chamber (9), be connected with header tank (21) through another second connecting pipe (18) on drain pipe (17) of bottom, the inside top welding in stoving chamber (10) has stoving frame (22), and the inside top of stoving frame (22) has exhaust fan (23) through the fix with screw, and a heating pipe (24) is fixed at the bottom end inside the drying frame (22).

2. A PCB board etching machine according to claim 1, wherein: the right side of the outer frame (1) is provided with a first switch (2), and the outer frame (1) below the first switch (2) is provided with a second switch (3).

3. A PCB board etching machine according to claim 2, wherein: the output end of the first switch (2) is respectively and electrically connected with the input ends of the motor (4) and the water suction pump (15) through wires, and the output end of the second switch (3) is respectively and electrically connected with the input ends of the exhaust fan (23) and the heating pipe (24) through wires.

4. A PCB board etching machine according to claim 1, wherein: through holes are uniformly formed in the surface of the belt (7), and the height of the opening (11) is larger than the sum of the height of the belt (7) and the height of the circuit board.

5. A PCB board etching machine according to claim 1, wherein: and flow guide plates (12) are welded at the bottom ends of the inside of the etching cavity (8) and the inside of the cleaning cavity (9).

6. A PCB wiring board etching machine according to claim 5, characterized in that: guide plate (12) are the slope form, the trompil diameter that guide plate (12) tip formed equals the diameter at drain pipe (17) top.