CN212573130U

CN212573130U - PCB etching device

Info

Publication number: CN212573130U
Application number: CN202021246451.0U
Authority: CN
Inventors: 童明辉
Original assignee: Hangzhou Lin'an Sanpin Electronic Co Ltd
Current assignee: Hangzhou Lin'an Sanpin Electronic Co Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-19
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a PCB etching device, including the support and be fixed in the backup pad one of support up end, still including rotatory setting in the support up end be used for carrying out the dust collector that removes dust to the PCB board, be fixed in the support inner wall on be used for carrying out the etching belt cleaning device that etches to the PCB board and be fixed in the drying device that the support up end is used for drying to the work piece, have the effect of clearing up the PCB board and have the effect of drying to the PCB board.

Description

PCB etching device

Technical Field

The utility model relates to a PCB etching equipment technical field, in particular to PCB etching device.

Background

Pcb (printed Circuit board), which is called printed Circuit board in chinese, is an important electronic component, is a support for electronic components, and is a carrier for electrical connection of electronic components. It is called a "printed" circuit board because it is made using electronic printing.

Traditional etching device is when etching the PCB board, and when dust and granule appeared in PCB board surface, the PCB board is at the in-process of etching, and dust and granule can influence the etching effect of PCB board, and when the PCB board washs the back of accomplishing simultaneously, follow-up staff that needs dries to the PCB board.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a PCB etching device has the effect of clearing up the PCB board and has the effect of drying to the PCB board.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a PCB etching device comprises a support, a first support plate fixed on the upper end face of the support, a dust removal device rotationally arranged on the upper end face of the support and used for removing dust from a PCB, an etching cleaning device fixed on the inner wall of the support and used for etching the PCB, and a drying device fixed on the upper end face of the support and used for drying a workpiece, wherein the dust removal device comprises a first transmission mechanism rotationally arranged on the upper end face of the support and used for transmitting the PCB, a first sliding plate slidably arranged on the upper end face of the support, and a first moving mechanism fixed on the side wall of the support and used for driving the first sliding plate to move, a first moving plate is slidably arranged on the inner wall of the first support, a first sliding frame is fixed on the lower end face of the first moving plate, a first viscose roller used for cleaning the workpiece is rotationally arranged on the inner wall of the first sliding frame, and a first dust collection plate used for transmitting dust on the upper end, the utility model discloses a dust removal device, including support plate one, slide one, transmission mechanism two, movable plate two, dust absorption board two, the up end of support plate one is fixed with the electric putter one that is used for clearing up dust absorption board one, the rotatory transmission mechanism two that is used for driving the PCB board removal that is provided with on the lateral wall of slide one, the up end of support slides and is provided with movable plate two, the up end of movable plate two is fixed with the dust absorption board two that is used for clearing up the dust of terminal surface under the PCB board, be fixed with the dust absorption machine two that is used for clearing up the dust in the dust absorption board two on the inner wall of support, the up end of movable plate two is fixed with concave type frame two, the rotation is provided with on the inner wall of concave type frame two and is used for carrying out the viscose roller two that clear up the PCB board, the lower terminal surface of support is fixed with the electric putter two that is used for driving movable plate two and removes.

By adopting the technical scheme, the first moving mechanism is started, the first moving mechanism drives the PCB to move, when the PCB moves, the first electric push rod is started, the telescopic rod of the first electric push rod can drive the first moving plate to move so as to realize that the first moving plate moves to a required position, when the first moving plate moves to the required position, the first dust collector is started, dust on the upper end surface of the PVB plate can enter a cavity of the first dust collecting plate through a hole on the lower end surface of the dust collecting plate, the dust can enter the first dust collector through the cavity of the first dust collecting plate so as to realize the cleaning of a pair of dust by the first dust collector, when the cleaning of the dust is finished, the PCB can enter the lower part of the gluing roller, when the PCB is contacted with the first gluing roller, the gluing roller can clean particles on the upper end surface of the PCB, when the cleaning of the dust on the upper end surface of the PCB is finished, the first transmission mechanism is started, the first transmission mechanism drives the PCB to move, when the PCB is moved above the dust suction plate II, the dust on the lower end surface of the PCB enters into the two cavities of the dust suction plate II through the holes on the upper end surface of the dust suction plate II, the dust can enter into the two cavities of the dust suction plate II through the inner cavities of the two cavities of the dust suction plate II, so that the dust on the lower end surfaces of the PCB is cleaned, when the PCB enters above the glue roller II, the PCB can drive the glue roller II to rotate, the glue roller II can clean the particles on the lower end surface of the PCB in the rotating process, after the dust on the lower end surface of the PCB is cleaned, the vacuum chuck can drive the PCB to move onto the rotating roller, the vacuum chuck loosens the PCB, the rotating roller can drive the PCB to move, and the etching cleaning device is started, the etching and cleaning device etches and cleans the PCB, the drying device is started, and the drying device dries the PCB.

Preferably, the etching cleaning device comprises an etching box fixed in a support and used for etching a workpiece, a third support plate is fixed on the upper end face of the support, a first storage tank for storing acid liquor is fixed on the inner wall of the support, a first pump for driving the acid liquor in the first storage tank to enter the etching box is fixed on the inner wall of the first storage tank, a first spray head is fixed on the lower end face of the third support plate, a fourth pump for driving the liquid in the first storage tank to enter the first spray head is fixed on the inner wall of the first storage tank, a cleaning box is fixed on the inner wall of the support, a second storage tank for storing the liquid is fixed on the inner wall of the support, a second pump for driving the clear water in the second storage tank to enter the clear box is fixed on the inner wall of the second storage tank, and a first external supplement pipe for compensating the acid liquor in the first storage tank is fixed on the side wall of the first storage tank, the lower end face of the first storage tank is fixed with a first liquid discharge pipe for discharging the first storage tank, a first electromagnetic valve is fixed on the side wall of the first liquid discharge pipe, a second external supplementary pipe for compensating stored clean water is fixed on the inner wall of the second storage tank, a second liquid discharge pipe for discharging liquid is fixed on the lower end face of the second storage tank in a penetrating mode, a second electromagnetic valve is fixed on the side wall of the second liquid discharge pipe, a fourth support plate is fixed on the upper end face of the support, a second spray head for spraying a workpiece is fixed on the lower end face of the fourth support plate, and a third water suction pump for driving liquid in the second storage tank to enter the second spray head is fixed on the inner wall of the second storage tank.

By adopting the technical scheme, when the PCB moves, the first liquid pump is started, the first liquid pump pumps acid liquor in the first storage tank to enter the etching box, when the liquid level of the acid liquor in the etching box reaches a certain liquid level, the lower end face of the PCB is etched by the acid liquor, when the lower end face of the PCB is etched by the acid liquor, the fourth water pump is started, the fourth water pump pumps the acid liquor in the first storage tank to enter the spray head, the upper end face of the PCB is etched by the acid liquor through the spray head, when the acid liquor in the first storage tank needs to be replenished, the external acid liquor is replenished to the acid liquor in the first storage tank through the external replenishing pipe, when the acid liquor in the first storage tank needs to be discharged, the first electromagnetic valve is opened, the acid liquor in the first storage tank is discharged to the outside through the liquid discharge pipe in a row, the PCB moves to the cleaning box, the second water pump is started, the second water pump pumps water in the second storage tank to enter the, when rinsing incasement water level and rising to a definite value, realize water and wash the acidizing fluid of terminal surface under the PCB board, when water washs terminal surface under the PCB board, suction pump three starts, water in the suction pump three extraction hold up tank two enters into in the shower head two, water washs through the up end of shower head two pairs of PCB boards, when needing to supply liquid in the hold up tank two, external water carries out the moisturizing through external moisturizing pipe to hold up tank two, when water needs to discharge in the hold up tank two, solenoid valve two is opened, water in the hold up tank two discharges the external world through fluid-discharge tube two.

Preferably, the drying device comprises a support plate five fixed on the upper end face of the support, a fan I used for drying the PCB is fixed on the inner wall of the support plate five, and a fan II used for driving external airflow to dry the PCB is fixed on the inner wall of the support.

By adopting the technical scheme, the PCB enters the upper part of the fan, the fan is started, the fan drives external airflow to blow the PCB, the fan is started, and the fan blows the lower end face of the PCB.

Preferably, the first transmission mechanism comprises a rotating roller arranged in the support and used for driving the PCB to move, the rotating roller is connected with the rotating roller through a gear box, and a first motor used for driving the rotating roller to rotate is fixed on the side wall of the support.

Adopt above-mentioned technical scheme, three starts of motor, and three output shaft of motor rotates and can drive two rotations of threaded rod, and two rotations of threaded rod can drive sliding block one and remove, realize that sliding block one removes the position that needs, and when sliding block one removed the position that needs, electric putter one starts, and electric putter drives vacuum chuck for a while and removes, and when vacuum chuck removed the position that needs, vacuum chuck started, and vacuum chuck absorbs the PCB board.

Preferably, the first moving mechanism comprises a first threaded rod which is rotatably arranged on the upper end face of the support and used for driving the first sliding plate to move, and a second motor which is used for driving the first threaded rod to rotate is fixed on the side wall of the support.

By adopting the technical scheme, the first motor is started, the output shaft of the first motor rotates to rotate the rotary roller, and when the rotary roller rotates, the rotary roller can drive the PCB to move.

Preferably, the transmission mechanism II comprises a first sliding block arranged below the first sliding plate, the first sliding block is arranged on the inner wall of the first sliding plate in a sliding mode, a third electric push rod used for driving the first sliding block to move is fixed on the upper end face of the first sliding plate, a second threaded rod used for driving the vacuum chuck to move is arranged on the inner wall of the first sliding block in a rotating mode, and a third motor used for driving the second threaded rod to rotate is fixed on the side wall of the first sliding block.

By adopting the technical scheme, the motor II is started, the motor II drives the threaded rod I to rotate and the threaded rod I rotates to drive the sliding plate I to move, the sliding plate drives the vacuum chuck to move, and when the vacuum chuck moves, the vacuum chuck drives the PCB to move.

Preferably, a support leg for supporting the support is fixed to the lower end surface of the support.

By adopting the technical scheme, the support legs are used for supporting the support.

Preferably, a control panel for controlling the dust removing device, the etching cleaning device and the drying device is fixed on the side wall of the support.

By adopting the technical scheme, the control panel is used for controlling the dust removal device 4, the etching cleaning device 5 and the drying device 6.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic view of a dust removing apparatus according to an embodiment;

FIG. 3 is a schematic view of an exemplary etching cleaning apparatus;

FIG. 4 is a schematic view of an embodiment of a drying apparatus;

fig. 5 is a schematic view of a second embodiment of the transport mechanism.

Reference numerals: 1. a support; 2. a first support plate; 3. a second support plate; 4. a dust removal device; 5. an etching cleaning device; 6. a drying device; 7. a first transmission mechanism; 8. a first sliding plate; 9. a first moving mechanism; 10. moving a first plate; 11. a first sliding frame; 12. gluing a rubber roller I; 13. a first dust collection plate; 14. a first dust collector; 15. an electric push rod I; 16. a second transmission mechanism; 17. moving a second plate; 18. a second dust collection plate; 19. a second concave frame; 20. gluing a rubber roller II; 21. a second electric push rod; 22. etching the box; 23. a third support plate; 24. a first storage tank; 25. a first liquid pump; 26. a first spray header; 27. a water pump IV; 28. a cleaning tank; 29. a second storage tank; 30. a water pump II; 31. an external supplement pipe I; 32. a first liquid discharge pipe; 33. a first electromagnetic valve; 34. an external supplementary pipe II; 35. a second liquid discharge pipe; 36. a support plate IV; 37. a second spray header; 38. a water pump III; 39. a fifth support plate; 40. a first fan; 41. a second fan; 42. a rotating roller; 43. a first motor; 44. a first threaded rod; 45. a second motor; 46. a vacuum chuck; 47. a first sliding block; 48. an electric push rod III; 49. a second threaded rod; 50. a third motor; 51. a support leg; 52. a control panel; 53. and a second dust collector.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

Referring to fig. 1 to 5, a PCB etching apparatus comprises a support 1, a support plate 2 fixed on the upper end surface of the support 1, a dust removing device 4 rotatably disposed on the upper end surface of the support 1 for removing dust from a PCB, an etching cleaning device 5 fixed on the inner wall of the support 1 for etching the PCB, and a drying device 6 fixed on the upper end surface of the support 1 for drying a workpiece, wherein the dust removing device 4 comprises a transmission mechanism 7 rotatably disposed on the upper end surface of the support 1 for transmitting the PCB, a sliding plate 8 slidably disposed on the upper end surface of the support 1, and a moving mechanism 9 fixed on the side wall of the support 1 for driving the sliding plate 8 to move, the transmission mechanism 7 comprises a rotating roller 42 disposed in the support 1 for driving the PCB to move, the rotating rollers 42 are connected with each other through a gear box, a motor 43 for driving the rotating roller 42 to rotate is fixed on the side wall of the support 1, therefore, when the first motor 43 is started, the output shaft of the first motor 43 rotates to rotate the rotating roller 42, when the rotating roller 42 rotates, the rotating roller 42 drives the PCB to move, when the PCB moves, the moving plate I10 is slidably arranged on the inner wall of the first support plate 2, the sliding frame I11 is fixed on the lower end face of the moving plate I10, the adhesive roller I12 used for cleaning a workpiece is rotatably arranged on the inner wall of the sliding frame I11, the dust suction plate I13 used for transmitting dust on the upper end face of the PCB is fixed on the lower end face of the moving plate I10, the dust suction machine I14 used for cleaning dust in the dust suction plate I13 is fixed on the upper end face of the first support plate 2, the electric push rod I15 used for driving the moving plate I10 to move is fixed on the upper end face of the first support plate 2, therefore, the electric push rod I15 is started, the telescopic rod of the electric push rod I15 can drive the moving plate I10 to move, and the moving, when the moving plate I10 moves to a required position, the first dust collector 14 is started, dust on the upper end face of a PVB plate can enter a cavity of the first dust collector 13 through a hole on the lower end face of the first dust collector 13, the dust can enter the first dust collector 14 through the cavity of the first dust collector 13, the first dust collector 14 can clean the dust, after the dust is cleaned, the PCB plate can enter the lower portion of the first viscose roller 12, when the PCB plate is contacted with the first viscose roller 12, the first viscose roller 12 can clean particles on the upper end face of the PCB plate, after the dust on the upper end face of the PCB plate is cleaned, a second transmission mechanism 16 for driving the PCB plate to move is rotatably arranged on the side wall of the first sliding plate 8, the second transmission mechanism 16 comprises a vacuum suction cup 46 arranged below the first sliding plate 8, a first sliding block 47 is slidably arranged on the inner wall of the first sliding block 47, a second threaded rod 49 for driving the vacuum suction cup 46 to move is rotatably arranged on the inner wall of the first sliding block 47, a motor III 50 for driving a threaded rod II 49 to rotate is fixed on the side wall of the sliding plate I8, the motor III 50 is started, the output shaft of the motor III 50 rotates to drive the threaded rod II 49 to rotate, the threaded rod II 49 rotates to drive the vacuum chuck 46 to move, the vacuum chuck 46 moves to a required position, when the vacuum chuck 46 moves to the required position, an electric push rod III 48 for driving the sliding block I47 to move is fixed on the inner wall of the sliding block I47, the electric push rod I15 is started, the electric push rod I15 drives the sliding block I47 to move, when the sliding block I47 moves to the required position, the vacuum chuck 46 is started, the vacuum chuck 46 sucks the PCB, after the sucking of the PCB is finished, the moving mechanism I9 comprises a threaded rod I44 which is rotatably arranged on the upper end face of the support 1 and used for driving the sliding plate I8 to move, and a motor II 45 for driving the threaded rod I44 to rotate is fixed on the side wall of the, thereby the motor II 45 is started, the motor II 45 drives the threaded rod I44 to rotate, the threaded rod I44 can drive the sliding plate I8 to move, the sliding plate I8 drives the vacuum sucker 46 to move, when the vacuum sucker 46 moves, the vacuum sucker 46 drives the PCB to move, when the PCB moves, the lower end surface of the support 1 is fixedly provided with the electric push rod II 21 for driving the moving plate II 17 to move, the electric push rod II 21 is started, the electric push rod II 21 drives the moving plate II 17 to move to a required position, the upper end surface of the support 1 is provided with the moving plate II 17 in a sliding manner, the upper end surface of the moving plate II 17 is fixedly provided with the dust suction plate II 18 for cleaning dust on the lower end surface of the PCB, the inner wall of the support 1 is fixedly provided with the dust suction machine II 53 for cleaning dust in the dust suction plate II 18, when the PCB moves to the upper part of the dust suction plate II 18, the dust suction machine II 53 is started, and dust on the lower end surface of the PCB can enter the cavity of the dust suction plate II 18 through the, the dust can enter into the second dust collector 53 through the inner chamber of the second dust collection plate 18, the second dust collector 53 can clean the dust on the lower end face of the PCB, the second concave frame 19 is fixed on the upper end face of the second moving plate 17, the second glue adhering roller 20 used for cleaning the PCB is rotationally arranged on the inner wall of the second concave frame 19, therefore, when the PCB enters into the upper portion of the second glue adhering roller 20, the PCB can drive the second glue adhering roller 20 to rotate, the second glue adhering roller 20 can clean particles on the lower end face of the PCB in the rotating process, after the dust on the lower end face of the PCB is cleaned, the vacuum suction cup 46 can drive the PCB to move onto the rotating roller 42, the vacuum suction cup 46 loosens the PCB, and the rotating roller 42 rotates to drive the PCB to move.

When the PCB board moves, the etching cleaning device 5 comprises an etching box 22 which is fixed in the support 1 and used for etching the workpiece, a support plate III 23 is fixed on the upper end surface of the support 1, a storage tank I24 for storing acid liquor is fixed on the inner wall of the support 1, a liquid pump I25 for driving the acid liquor in the storage tank I24 to enter the etching box 22 is fixed on the inner wall of the storage tank I24, so that the liquid pump I25 is started, the liquid pump I25 pumps the acid liquor in the storage tank I24 to enter the etching box 22, when the liquid level of the acid liquor in the etching box 22 reaches a certain liquid level, the etching of the lower end surface of the PCB board by the acid liquor is realized, a spray head I26 is fixed on the lower end surface of the support plate III 23, a water pump IV 27 for driving the liquid in the storage tank I24 to enter the spray head I26 is fixed on the inner wall of the storage tank I24, an external supplement pipe I31 for compensating the acid liquor in the storage tank is fixed on the side wall of the storage, when acid liquor etches the lower end face of the PCB, the water suction pump IV 27 is started, the water suction pump IV 27 pumps the acid liquor in the storage tank I24 to enter the spray head, so that the acid liquor etches the upper end face of the PCB through the spray head, when the acid liquor in the storage tank I24 needs to be replenished, the external acid liquor supplements the acid liquor in the storage tank I24 through the external supplement pipe I31, when the acid liquor in the storage tank I24 needs to be discharged, the lower end face of the storage tank I24 is fixedly provided with a liquid discharge pipe I32 for discharging the liquid in the storage tank I24, the side wall of the liquid discharge pipe I32 is fixedly provided with a solenoid valve I33, the solenoid valve I33 is opened, the acid liquor in the storage tank I24 is discharged to the outside through the liquid discharge pipe I32, the cleaning tank 28 is fixedly arranged on the inner wall of the support 1, the storage tank II 29 for storing the liquid is fixedly arranged on the inner wall of the support 1, and the water suction pump II 30 for driving clean water in the storage tank II 29 to enter the cleaning tank, thereby the PCB board moves to the cleaning box 28, the second water pump 30 is started, the second water pump 30 pumps water in the second storage tank 29 to enter the cleaning box 28, when the water level in the cleaning box 28 rises to a certain value, the water can clean acid liquor on the lower end surface of the PCB board, when the water cleans the lower end surface of the PCB board, an external replenishing pipe second 34 for compensating clean water in the storage tank is fixed on the inner wall of the second storage tank 29, a second liquid discharge pipe 35 for discharging liquid is fixed on the lower end surface of the second storage tank 29 in a penetrating way, a second electromagnetic valve is fixed on the side wall of the second liquid discharge pipe 35, a fourth support plate 36 is fixed on the upper end surface of the support 1, a second spray head 37 for spraying the workpiece is fixed on the lower end surface of the fourth support plate 36, a third water pump 38 for driving liquid in the second storage tank 29 to enter the second spray head 37 is fixed on the inner wall of the second storage tank 29, and the third water pump 38 is started, the water pump III 38 pumps water in the storage tank II 29 to enter the spray head II 37, the water cleans the upper end face of the PCB through the spray head II 37, when liquid needs to be supplemented in the storage tank II 29, external water supplements water for the storage tank II 29 through an external water supplementing pipe, when the water in the storage tank II 29 needs to be discharged, the electromagnetic valve II is opened, and the water in the storage tank II 29 is discharged to the outside through the liquid discharging pipe II 35.

When the PCB needs to be dried, the drying device 6 comprises a support plate five 39 fixed on the upper end surface of the support 1, a first fan 40 used for drying the PCB is fixed on the inner wall of the support plate five 39, a second fan 41 used for driving external air flow to dry the PCB is fixed on the inner wall of the support 1, the PCB enters the upper side of the first fan 40, the first fan 40 is started, the first fan 40 drives the external air flow to blow the PCB, the second fan 41 is started, the second fan 41 blows the lower end surface of the PCB, a support leg 51 used for supporting the support 1 is fixed on the lower end surface of the support 1, the support leg 51 is used for supporting the support 1, a control panel 52 used for controlling the dust removal device 4, the etching cleaning device 5 and the drying device 6 is fixed on the side wall of the support 1, and the control panel 52 is used for controlling the dust removal device 4, the etching cleaning device 5 and the drying device 6.

Claims

1. A PCB etching device comprises a support (1) and a first support plate (2) fixed on the upper end surface of the support (1), and is characterized by further comprising a dust removal device (4) rotationally arranged on the upper end surface of the support (1) and used for removing dust of a PCB, an etching cleaning device (5) fixed on the inner wall of the support (1) and used for etching the PCB, and a drying device (6) fixed on the upper end surface of the support (1) and used for drying a workpiece, wherein the dust removal device (4) comprises a first transmission mechanism (7) rotationally arranged on the upper end surface of the support (1) and used for transmitting the PCB, a first sliding plate (8) slidably arranged on the upper end surface of the support (1), and a first moving mechanism (9) fixed on the side wall of the support (1) and used for driving the first sliding plate (8) to move, a first moving plate (10) is slidably arranged on the inner wall of the first, a first sliding frame (11) is fixed on the lower end face of the first moving plate (10), a first viscose roller (12) used for cleaning a workpiece is rotationally arranged on the inner wall of the first sliding frame (11), a first dust suction plate (13) used for transmitting dust on the upper end face of the PCB is fixed on the lower end face of the first moving plate (10), a first dust suction machine (14) used for cleaning the dust in the first dust suction plate (13) is fixed on the upper end face of the first supporting plate (2), a first electric push rod (15) used for driving the first moving plate (10) to move is fixed on the upper end face of the first supporting plate (2), a second transmission mechanism (16) used for driving the PCB to move is rotationally arranged on the side wall of the first sliding plate (8), a second moving plate (17) is slidably arranged on the upper end face of the support (1), a second dust suction plate (18) used for cleaning the dust on the lower end face of the PCB is fixed on the upper end face of the second moving plate (17), be fixed with on the inner wall of support (1) and be used for carrying out the dust catcher two (53) of clearing up to dust absorption board two (18) interior dust, the up end of movable plate two (17) is fixed with concave type frame two (19), the rotatory viscose roller two (20) that are used for clearing up the PCB board that are provided with on the inner wall of concave type frame two (19), the lower terminal surface of support (1) is fixed with electric putter two (21) that are used for driving movable plate two (17) and remove.

2. The PCB etching device according to claim 1, wherein the etching cleaning device (5) comprises an etching box (22) fixed in the support (1) for etching a workpiece, a support plate III (23) is fixed on the upper end surface of the support (1), a first storage tank (24) for storing acid liquor is fixed on the inner wall of the support (1), a first pump (25) for driving the acid liquor in the first storage tank (24) to enter the etching box (22) is fixed on the inner wall of the first storage tank (24), a first spray head (26) is fixed on the lower end surface of the support plate III (23), a fourth pump (27) for driving the liquid in the first storage tank (24) to enter the first spray head (26) is fixed on the inner wall of the first storage tank (24), a cleaning box (28) is fixed on the inner wall of the support (1), a second storage tank (29) for storing liquid is fixed on the inner wall of the support (1), a second suction pump (30) for driving clean water in the second storage tank (29) to enter the cleaning tank (28) is fixed on the inner wall of the second storage tank (29), a first external supplement pipe (31) for supplementing acid liquid in the first storage tank is fixed on the side wall of the first storage tank (24), a first liquid discharge pipe (32) for discharging liquid in the first storage tank (24) is fixed on the lower end face of the first storage tank (24), a first electromagnetic valve (33) is fixed on the side wall of the first liquid discharge pipe (32), a second external supplement pipe (34) for compensating the clean water in the storage tank is fixed on the inner wall of the second storage tank (29), a second liquid discharge pipe (35) for discharging liquid is fixed on the lower end face of the second storage tank (29) in a penetrating manner, and a second electromagnetic valve is fixed on the side wall of the second liquid discharge pipe (35), the upper end face of support (1) is fixed with backup pad four (36), the lower terminal surface of backup pad four (36) is fixed with and is used for carrying out the shower head two (37) that spray to the work piece, be fixed with on the inner wall of reserve tank two (29) and be used for driving the interior liquid of reserve tank two (29) and enter into the suction pump three (38) in the shower head two (37).

3. The PCB etching device according to claim 1, wherein the drying device (6) comprises a support plate five (39) fixed on the upper end surface of the support (1), a fan I (40) for drying the PCB is fixed on the inner wall of the support plate five (39), and a fan II (41) for driving outside air flow to dry the PCB is fixed on the inner wall of the support (1).

4. The PCB etching device according to claim 1, wherein the first transmission mechanism (7) comprises a first rotating roller (42) arranged in the support (1) and used for driving the PCB to move, the rotating rollers (42) are connected with each other through a gear box, and a first motor (43) used for driving the rotating roller (42) to rotate is fixed on the side wall of the support (1).

5. The PCB etching device according to claim 1, wherein the moving mechanism I (9) comprises a first threaded rod (44) rotatably arranged on the upper end surface of the support (1) and used for driving the first sliding plate (8) to move, and a second motor (45) used for driving the first threaded rod (44) to rotate is fixed on the side wall of the support (1).

6. The PCB etching device according to claim 1, wherein the second transmission mechanism (16) comprises a vacuum chuck (46) arranged below the first sliding plate (8), a first sliding block (47) is arranged on the inner wall of the first sliding plate (8) in a sliding manner, a third electric push rod (48) for driving the first sliding block (47) to move is fixed on the upper end face of the first sliding plate (8), a second threaded rod (49) for driving the vacuum chuck (46) to move is arranged on the inner wall of the first sliding block (47) in a rotating manner, and a third motor (50) for driving the second threaded rod (49) to rotate is fixed on the side wall of the first sliding block (47).

7. A PCB etching apparatus according to claim 1, wherein a support leg (51) for supporting the support (1) is fixed on the lower end surface of the support (1).

8. The PCB etching device according to claim 1, wherein a control panel (52) for controlling the dust removing device (4), the etching cleaning device (5) and the drying device (6) is fixed on the side wall of the support (1).