CN114786346A

CN114786346A - Multi-path low-voltage driving circuit board etching device for light beam deflection

Info

Publication number: CN114786346A
Application number: CN202210686801.2A
Authority: CN
Inventors: 曹召良; 杜宏杰; 陈召阳; 曹鹏飞
Original assignee: Suzhou Fisi Photoelectric Instrument Co ltd
Current assignee: Suzhou Fisi Photoelectric Instrument Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-07-22
Anticipated expiration: 2042-06-17
Also published as: CN114786346B

Abstract

The invention relates to the technical field of electronic element production, in particular to a multi-path low-voltage driving circuit board etching device for light beam deflection, which can automatically etch, clean and dry a circuit board, saves manpower and material resources and improves the etching efficiency; the method comprises the following steps: the device comprises a bottom plate, a bottom plate and a drying device, wherein a U-shaped pool is arranged on the bottom plate and is sequentially divided into an etching tank, a cleaning tank and a drying tank; two groups of vertical plates are symmetrically and fixedly arranged at the hollow part of the U-shaped pool, and a sliding rail is fixedly arranged on each group of vertical plates; the mounting plate is slidably mounted on the two groups of sliding rails by means of the sliding blocks, an adjusting mechanism is mounted on the mounting plate, a clamp is arranged on the adjusting mechanism, and the adjusting mechanism is used for controlling the clamp to enter and exit the U-shaped pool; and a driving device is arranged between the two groups of vertical plates and used for driving the mounting plate to reciprocate along the sliding rail.

Description

Multi-path low-voltage driving circuit board etching device for light beam deflection

Technical Field

The invention relates to the technical field of electronic element production, in particular to a multi-path low-voltage driving circuit board etching device for light beam deflection.

Background

The all-solid-state laser radar based on the optical fiber array realizes two-dimensional deflection of light beams mainly by modulating the wavelength and the phase of a laser; this will cause huge pressure on the development of the laser, limit the application development of the all-solid-state laser radar; therefore, electronic components such as chips for controlling the wavelength and phase of the laser are required to be integrated on the circuit board;

the integrated circuit board needs to be etched, cleaned and dried in the production process, three processes in the existing production process run independently, and in the process, the upper plate and the lower plate need to be carried out for many times, so that the automation degree is low, and the etching efficiency is influenced.

Disclosure of Invention

In order to solve the technical problems, the invention provides the multi-path low-voltage driving circuit board etching device for light beam deflection, which can automatically etch, clean and dry the circuit board, save manpower and material resources and improve the etching efficiency.

The invention relates to a multi-path low-voltage driving circuit board etching device for beam deflection, which comprises:

the device comprises a base plate, a cleaning tank and a drying tank, wherein a U-shaped tank is arranged on the base plate and is sequentially divided into an etching tank, a cleaning tank and a drying tank; two groups of vertical plates are symmetrically and fixedly arranged at the hollow part of the U-shaped tank, and a sliding rail is fixedly arranged on each group of vertical plates;

the mounting plate is slidably mounted on the two groups of sliding rails by virtue of sliding blocks, an adjusting mechanism is mounted on the mounting plate, a clamp is arranged on the adjusting mechanism, and the adjusting mechanism is used for controlling the clamp to enter and exit the U-shaped pool; and a driving device is arranged between the two groups of vertical plates and used for driving the mounting plate to reciprocate along the sliding rail.

Furthermore, a guide plate is fixedly installed between the two groups of vertical plates, a guide chute is formed in the guide plate, two groups of steering shafts are rotatably installed on the bottom plate and are respectively located at two ends of the guide plate, a turntable is fixedly sleeved on each group of steering shafts, and a straight chute is formed in the turntable corresponding to the guide chute;

rotate on the mounting panel and install the back shaft, the one end that the back shaft is close to the deflector is provided with a word lug, a word lug slidable mounting is in two sets of word spouts and direction spout, and adjustment mechanism fixed mounting is on the back shaft, be provided with power device on the bottom plate, power device is used for driving two sets of steering spindles in proper order intermittent type nature rotatory 180.

Furthermore, the power device comprises two groups of toothed belt wheels which are coaxially fixedly sleeved on the two groups of steering shafts respectively, a transmission belt is tightly sleeved on the two groups of toothed belt wheels, and an inner tooth section is arranged on the inner wall of the transmission belt and is used for being meshed with the toothed belt wheels for transmission;

the bottom plate is fixedly provided with a first motor, a gear is installed at the output end of the first motor, outer teeth are arranged on the outer wall of the transmission belt and are connected with the gear in a meshed mode.

Further, the driving device comprises a lead screw rotatably mounted on one group of vertical plates, the axis of the lead screw is parallel to the sliding rail, a second motor is fixedly mounted on each vertical plate and used for driving the lead screw to rotate along the axis of the lead screw, a lead screw nut is sleeved on the lead screw in a threaded manner and is fixedly connected with the mounting plate.

Furthermore, the adjusting mechanism comprises a first linear cylinder fixedly mounted on a support shaft, the output end of the first linear cylinder is fixedly provided with a lifting arm, a horizontal guide groove penetrates through the lifting arm, a fixed arm is also fixedly arranged on the outer wall of the circumference of the support shaft close to the first linear cylinder, and a swing arm is rotatably mounted on the fixed arm through a pin shaft;

the swing arm is fixedly provided with a support arm, the support arm is provided with a first convex column, the first convex column is slidably mounted in the horizontal guide groove, and the clamp is fixedly mounted on the swing arm.

Furthermore, the end part, far away from the supporting shaft, of the fixed arm is further provided with an arc sliding groove, the axis of the arc sliding groove is overlapped with the axis of the pin shaft, a second protruding column is fixedly arranged on the swing arm, and the second protruding column is slidably mounted on the arc sliding groove.

Furthermore, the fixture comprises a connecting plate fixedly mounted on a swing arm, an adjusting guide groove penetrates through the connecting plate, a guide block is slidably mounted in the adjusting guide groove, a second linear air cylinder is fixedly mounted on the swing arm, and an output end of the second linear air cylinder penetrates through the swing arm to extend into the adjusting guide groove and is fixedly connected with the guide block;

the connecting plate is fixedly provided with a U-shaped plate, a plurality of groups of push rods are symmetrically and slidably mounted at two side ends of the U-shaped plate, a connecting plate is fixedly connected between the outer ends of the plurality of groups of push rods at the same side, each group of connecting plates are respectively provided with a pressure plate at the inner ends of the push rods, and each group of connecting plates are fixedly provided with a convex rod which is connected with a guide block in a rotating manner by virtue of a connecting rod.

Further, a first proximity switch, a second proximity switch and a third proximity switch are fixedly mounted on the inner wall of the vertical plate close to one side of the etching groove in sequence from the etching groove to the cleaning groove, and a fourth proximity switch, a fifth proximity switch and a sixth proximity switch are fixedly mounted on the inner wall of the vertical plate close to one side of the drying groove in sequence from the cleaning groove to the drying groove, wherein the first proximity switch, the third proximity switch and the fifth proximity switch control the first linear cylinder to contract, and the second proximity switch, the fourth proximity switch and the sixth proximity switch control the first linear cylinder to extend.

Compared with the prior art, the invention has the beneficial effects that: the circuit board that will carry out the etching is fixed on anchor clamps, makes the circuit board remove in etching groove inside, and the circuit board after the etching washs in that the washing tank is inside, and the circuit board after the washing removes in stoving inslot, can carry out automatic etching, washing, stoving to the circuit board, and the material resources of using manpower sparingly promote etching efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure of the base plate and the etching chamber;

FIG. 3 is an enlarged schematic view of the mounting plate in structural connection with a slider or the like;

FIG. 4 is a top view of the guide plate and the turntable;

FIG. 5 is a schematic cross-sectional view of the structure of FIG. 4;

FIG. 6 is an enlarged schematic view of a toothed belt wheel in structural connection with a drive belt or the like;

FIG. 7 is an enlarged schematic view of the mounting plate in structural connection with a support shaft or the like;

FIG. 8 is a rear view of the mounting plate in structural connection with a support shaft or the like;

FIG. 9 is an enlarged view of the structural connection of the swing arm with a second linear cylinder;

FIG. 10 is a schematic view of a linkage in structural connection with a guide block or the like;

in the drawings, the reference numbers: 1. a base plate; 2. etching a groove; 3. a cleaning tank; 4. a drying tank; 5. a vertical plate; 6. a slide rail; 7. mounting a plate; 8. a slider; 9. an adjustment mechanism; 10. a clamp; 11. a guide plate; 12. a guide chute; 13. a steering shaft; 14. a turntable; 15. a straight chute; 16. a support shaft; 17. a word bump; 19. a first proximity switch; 20. a second proximity switch; 21. a third proximity switch; 22. a fourth proximity switch; 23. a fifth proximity switch; 24. a sixth proximity switch; 25. a toothed belt wheel; 26. a drive belt; 27. an inner tooth section; 28. a first motor; 29. a gear; 30. a lead screw; 31. a second motor; 32. a lead screw nut; 33. a first linear cylinder; 34. a lifting arm; 35. a horizontal guide groove; 36. a fixed arm; 37. swinging arms; 38. a pin shaft; 39. a support arm; 40. a first convex column; 41. an arc-shaped chute; 42. a second convex column; 43. a connecting plate; 44. adjusting the guide groove; 45. a U-shaped plate; 46. a guide block; 47. a second linear cylinder; 48. a connector tile; 49. a push rod; 50. pressing a plate; 51. a nose bar; 52. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art. This embodiment is written in a progressive manner.

As shown in fig. 1 to 3, the multi-path low voltage driving circuit board etching apparatus for beam deflection of the present invention includes:

the device comprises a bottom plate 1, wherein a U-shaped pool is arranged on the bottom plate 1 and is sequentially divided into an etching tank 2, a cleaning tank 3 and a drying tank 4; two groups of vertical plates 5 are symmetrically and fixedly arranged at the hollow part of the U-shaped pool, and a slide rail 6 is fixedly arranged on each group of vertical plates 5;

the mounting plate 7 is slidably mounted on the two groups of sliding rails 6 by means of the sliding blocks 8, the mounting plate 7 is provided with an adjusting mechanism 9, the adjusting mechanism 9 is provided with a clamp 10, and the adjusting mechanism 9 is used for controlling the clamp 10 to enter and exit the U-shaped pool; a driving device is arranged between the two groups of vertical plates 5 and is used for driving the mounting plate 7 to reciprocate along the slide rail 6;

in the embodiment, the adjusting mechanism 9 is driven to drive the clamp 10 to rotate vertically, a circuit board to be etched is fixed on the clamp 10, then the adjusting mechanism 9 is controlled to drive the clamp 10 to drive the circuit board to rotate horizontally, the circuit board is completely immersed in the etching solution in the etching tank 2, the driving device is started to drive the mounting plate 7 to move towards the cleaning tank 3 along the slide rail 6, the circuit board can move in the etching tank 2 and can be fully contacted with the etching solution in the etching tank 2, when the circuit board moves to the junction of the etching tank 2 and the cleaning tank 3, the adjusting mechanism 9 controls the clamp 10 to drive the circuit board to be transferred from the inside of the etching tank 2 to the inside of the cleaning tank 3, then the mounting plate 7 stops moving, and simultaneously the adjusting mechanism 9 is driven to drive the clamp 10 to rotate 180 degrees by taking the axis of the cleaning tank 3 as an axis, so that the etched circuit board is cleaned in the cleaning tank 3, rinse the etching solution on the circuit board down, then 9 control anchor clamps of adjustment mechanism 10 drive the circuit board and shift to drying groove 4 inside by washing tank 3, later drive arrangement drives mounting panel 7 and returns the journey, make the circuit board after the washing move in drying groove 4 inside, make the circuit board after the washing carry out drying process, and after moving 4 tip in drying groove, 9 control anchor clamps of adjustment mechanism 10 rotate to vertical, and get back to the initial position, change the circuit board this moment, carry out next a set of etching and handle, through the aforesaid setting, can carry out automatic etching to the circuit board, wash, dry, use manpower and materials sparingly, promote etching efficiency.

Preferably, as shown in fig. 3 to 7, a guide plate 11 is fixedly installed between two sets of vertical plates 5, a guide chute 12 is arranged on the guide plate 11, two sets of steering shafts 13 are rotatably installed on the bottom plate 1, the two sets of steering shafts 13 are respectively located at two ends of the guide plate 11, a turntable 14 is fixedly sleeved on each set of steering shaft 13, and the turntable 14 is provided with a linear chute 15 corresponding to the guide chute 12;

a supporting shaft 16 is rotatably mounted on the mounting plate 7, a linear convex block 17 is arranged at one end of the supporting shaft 16 close to the guide plate 11, the linear convex block 17 is slidably mounted in the two groups of linear sliding grooves 15 and the guide sliding grooves 12, the adjusting mechanism 9 is fixedly mounted on the supporting shaft 16, and a power device is arranged on the bottom plate 1 and used for driving the two groups of steering shafts 13 to intermittently rotate 180 degrees in sequence;

in this embodiment, the linear projection 17 is arranged to slide in the guide chute 12, so that when the mounting plate 7 moves on the slide rail 6, the adjusting mechanism 9 cannot rotate until the linear projection 17 slides into the two groups of turntables 14, and the support shaft 16 coincides with the axis of the turntables 14, and at this time, the two groups of steering shafts 13 are controlled to rotate 180 °, so that steering control over the adjusting mechanism 9 and the clamp 10 can be realized, and the adjusting mechanism 9 can be conveniently moved linearly and steered.

Preferably, as shown in fig. 6, the power device includes two sets of toothed belt wheels 25 coaxially fixedly sleeved on the two sets of steering shafts 13, respectively, a transmission belt 26 is tightly sleeved on the two sets of toothed belt wheels 25, and an inner toothed segment 27 is arranged on an inner wall of the transmission belt 26 and is used for meshing transmission with the toothed belt wheels 25;

a first motor 28 is fixedly arranged on the bottom plate 1, a gear 29 is arranged at the output end of the first motor 28, and outer teeth are arranged on the outer wall of the transmission belt 26 and are meshed with the gear 29;

in the embodiment, by starting the first motor 28, the driving belt 26 is driven to rotate under the meshing action of the gear 29 and the external teeth of the driving belt 26, when the internal gear segment 27 rotates to mesh with the two sets of toothed pulleys 25 respectively, the two sets of toothed pulleys 25 are sequentially driven to rotate 180 degrees along the self axis respectively, and the steering shaft 13 is rotatably connected with the bottom plate 1 through a large damping force, so that the steering shaft 13 cannot be driven to rotate by the driving belt 26 when the internal gear segment 27 is not meshed with the toothed pulleys 25, and the steering shaft 13 is conveniently controlled to intermittently rotate 180 degrees in a directional manner through the arrangement.

Preferably, as shown in fig. 4 and 7, the driving device includes a screw 30 rotatably mounted on one of the vertical plates 5, an axis of the screw 30 is parallel to the slide rail 6, a second motor 31 is further fixedly mounted on the vertical plate 5, the second motor 31 is used for driving the screw 30 to rotate along the axis thereof, a screw nut 32 is screwed and sleeved on the screw 30, and the screw nut 32 is fixedly connected with the mounting plate 7;

in the embodiment, by starting the second motor 31, the screw 30 is controlled to rotate forward for a certain time, then pause for a certain time, then rotate backward for a certain time, pause for a certain time, and repeat the above processes in sequence, under the connecting action of the screw 30 and the screw nut 32 and the guiding action of the slide rail 6 and the slider 8, the mounting plate 7 is driven to reciprocate along the slide rail 6, and pause for a certain time at both ends of the slide rail 6, and forms a path with the control mounting plate 7.

As shown in fig. 7 to 9, preferably, the adjusting mechanism 9 includes a first linear cylinder 33 fixedly mounted on the supporting shaft 16, a lifting arm 34 is fixedly disposed at an output end of the first linear cylinder 33, a horizontal guide groove 35 is penetratingly disposed on the lifting arm 34, a fixed arm 36 is further fixedly disposed on a circumferential outer wall of the supporting shaft 16 close to the first linear cylinder 33, and a swing arm 37 is rotatably mounted on the fixed arm 36 through a pin 38;

a support arm 39 is fixedly arranged on the swing arm 37, a first convex column 40 is arranged on the support arm 39, the first convex column 40 is slidably arranged in the horizontal guide groove 35, and the clamp 10 is fixedly arranged on the swing arm 37;

in the embodiment, the lifting arm 34 is lifted by controlling the extension of the first linear cylinder 33, and under the guiding action of the horizontal guide groove 35 and the first convex column 40, the swing arm 37 is driven to rotate 90 degrees along the axis of the pin shaft 38, so that the swing arm 37 is in a vertical state, and the clamp 10 is convenient to clamp and fix or release the circuit board; the first linear cylinder 33 is controlled to contract, so that the lifting arm 34 descends, the swing arm 37 is driven to rotate 90 degrees along the axis of the pin shaft 38 in the opposite direction under the guiding action of the horizontal guide groove 35 and the first convex column 40, the swing arm 37 is in a horizontal state, and the clamp 10 drives the circuit board to be immersed in the etching solution in the etching bath 2.

As shown in fig. 8 to 9, preferably, an arc sliding slot 41 is further disposed at an end of the fixed arm 36 away from the support shaft 16, an axis of the arc sliding slot 41 coincides with an axis of the pin 38, a second protruding column 42 is fixedly disposed on the swing arm 37, and the second protruding column 42 is slidably mounted on the arc sliding slot 41;

in this embodiment, the arc-shaped sliding groove 41 and the second protruding column 42 are provided, so that the rotation of the swing arm 37 can be guided, and the occurrence of the deflection of the swing arm 37 in the rotation process can be reduced.

As shown in fig. 9 to 10, preferably, the fixture 10 includes a connecting plate 43 fixedly mounted on the swing arm 37, an adjusting guide groove 44 is provided on the connecting plate 43 in a penetrating manner, a guide block 46 is slidably mounted in the adjusting guide groove 44, a second linear cylinder 47 is fixedly mounted on the swing arm 37, and an output end of the second linear cylinder 47 penetrates through the swing arm 37 to extend into the adjusting guide groove 44 and is fixedly connected with the guide block 46;

a U-shaped plate 45 is fixedly arranged on the connecting plate 43, a plurality of groups of push rods 49 are symmetrically arranged on two side ends of the U-shaped plate 45 in a sliding manner, a connecting plate 48 is fixedly connected between the outer ends of the push rods 49 on the same side, a pressure plate 50 is arranged at the inner end of each group of push rods 49, a convex rod 51 is fixedly arranged on each group of connecting plate 48, and the two groups of convex rods 51 are rotatably connected with the guide block 46 by virtue of connecting rods 52;

in this embodiment, the second linear cylinder 47 is activated to make the second linear cylinder 47 drive the guide block 46 to move up and down inside the adjusting guide slot 44, and under the connecting action of the connecting rod 52 and the protruding rod 51, the two sets of connecting plates 48 are driven to synchronously move closer to or move away from each other, so as to control the two rows of pressing plates 50 to clamp or loosen the circuit board.

Preferably, as shown in fig. 4, a first proximity switch 19, a second proximity switch 20 and a third proximity switch 21 are fixedly mounted on the inner wall of the vertical plate 5 near the side of the etch bath 2 in sequence from the etch bath 2 to the cleaning bath 3, and a fourth proximity switch 22, a fifth proximity switch 23 and a sixth proximity switch 24 are fixedly mounted on the inner wall of the vertical plate 5 near the side of the drying bath 4 in sequence from the cleaning bath 3 to the drying bath 4, wherein the first proximity switch 19, the third proximity switch 21 and the fifth proximity switch 23 control the first linear cylinder 33 to contract, and the second proximity switch 20, the fourth proximity switch 22 and the sixth proximity switch 24 control the first linear cylinder 33 to extend;

in the present embodiment, the extension and retraction of the first linear cylinder 33 are controlled by using the clamp 10, the second proximity switch 20, the third proximity switch 21, the fourth proximity switch 22, the fifth proximity switch 23 and the sixth proximity switch 24, so that the clamp 10 drives the circuit board to automatically transfer among the etching bath 2, the cleaning bath 3 and the drying bath 4 in sequence.

The multi-path low-voltage driving circuit board etching device for light beam deflection is implemented in a common mechanical mode in an installation mode, a connection mode or a setting mode as long as the beneficial effects of the device can be achieved.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A multi-channel low voltage driver circuit board etching apparatus for beam deflection, comprising:

the device comprises a base plate (1), wherein a U-shaped pool is arranged on the base plate (1), and the U-shaped pool is sequentially divided into an etching tank (2), a cleaning tank (3) and a drying tank (4); two groups of vertical plates (5) are symmetrically and fixedly arranged at the hollow part of the U-shaped tank, and a sliding rail (6) is fixedly arranged on each group of vertical plates (5);

the mounting plate (7) is slidably mounted on the two groups of sliding rails (6) by means of sliding blocks (8), an adjusting mechanism (9) is mounted on the mounting plate (7), a clamp (10) is arranged on the adjusting mechanism (9), and the adjusting mechanism (9) is used for controlling the clamp (10) to enter and exit the U-shaped pool; and a driving device is arranged between the two groups of vertical plates (5), and the driving device is used for driving the mounting plate (7) to move back and forth along the sliding rail (6).

2. The etching device for the multipath low-voltage driving circuit board for deflecting the light beams according to claim 1, wherein a guide plate (11) is fixedly installed between two groups of vertical plates (5), a guide chute (12) is arranged on the guide plate (11), two groups of steering shafts (13) are rotatably installed on the bottom plate (1), the two groups of steering shafts (13) are respectively located at two ends of the guide plate (11), a rotating disc (14) is fixedly sleeved on each group of steering shafts (13), and the rotating disc (14) is provided with an in-line chute (15) corresponding to the guide chute (12);

rotate on mounting panel (7) and install back shaft (16), the one end that back shaft (16) are close to deflector (11) is provided with a word lug (17), a word lug (17) slidable mounting is in two sets of word spout (15) and direction spout (12), and adjustment mechanism (9) fixed mounting is on back shaft (16), be provided with power device on bottom plate (1), power device is used for driving two sets of steering spindle (13) intermittent type nature rotation 180 in proper order.

3. The etching device for the multi-path low-voltage driving circuit board for deflecting the light beam according to claim 2, wherein the power device comprises two sets of toothed belt wheels (25) coaxially fixedly sleeved on the two sets of steering shafts (13), respectively, a driving belt (26) is tightly sleeved on the two sets of toothed belt wheels (25), and an inner toothed section (27) is arranged on the inner wall of the driving belt (26) and is used for being meshed with the toothed belt wheels (25) for driving;

the utility model discloses a gear transmission device, including bottom plate (1), bottom plate (28), gear (29) are installed to the output of first motor (28), be provided with the external tooth on the outer wall of driving belt (26), the external tooth is connected with gear (29) meshing.

4. The etching device for the multipath low-voltage driving circuit board for deflecting the light beam according to claim 1, wherein the driving device comprises a lead screw (30) rotatably mounted on one set of vertical plates (5), an axis of the lead screw (30) is parallel to the slide rail (6), a second motor (31) is further fixedly mounted on the vertical plates (5), the second motor (31) is used for driving the lead screw (30) to rotate along the axis of the second motor, a lead screw nut (32) is screwed and sleeved on the lead screw (30), and the lead screw nut (32) is fixedly connected with the mounting plate (7).

5. The etching device for the multi-path low-voltage driving circuit board for deflecting the light beams according to claim 3, wherein the adjusting mechanism (9) comprises a first linear cylinder (33) fixedly installed on a supporting shaft (16), a lifting arm (34) is fixedly arranged at the output end of the first linear cylinder (33), a horizontal guide groove (35) is arranged on the lifting arm (34) in a penetrating manner, a fixed arm (36) is further fixedly arranged on the outer circumferential wall of the supporting shaft (16) close to the first linear cylinder (33), and a swing arm (37) is rotatably installed on the fixed arm (36) through a pin shaft (38);

swing arm (37) is last to be fixed and is provided with support arm (39), be provided with first projection (40) on support arm (39), first projection (40) slidable mounting is in horizontal guide slot (35), anchor clamps (10) fixed mounting is on swing arm (37).

6. The etching device for the multi-path low-voltage driving circuit board for beam deflection according to claim 5, wherein an arc-shaped sliding slot (41) is further disposed at an end of the fixed arm (36) away from the supporting shaft (16), an axis of the arc-shaped sliding slot (41) coincides with an axis of the pin shaft (38), a second protruding column (42) is fixedly disposed on the swing arm (37), and the second protruding column (42) is slidably mounted on the arc-shaped sliding slot (41).

7. The etching device for the multipath low-voltage driving circuit board for deflecting the light beam according to claim 5, wherein the fixture (10) comprises a connecting plate (43) fixedly installed on a swing arm (37), an adjusting guide groove (44) is arranged on the connecting plate (43) in a penetrating manner, a guide block (46) is installed in the adjusting guide groove (44) in a sliding manner, a second linear cylinder (47) is fixedly installed on the swing arm (37), and an output end of the second linear cylinder (47) penetrates through the swing arm (37) to extend into the adjusting guide groove (44) and is fixedly connected with the guide block (46);

the connecting plate is characterized in that a U-shaped plate (45) is fixedly arranged on the connecting plate (43), a plurality of groups of push rods (49) are symmetrically arranged on two sides of the U-shaped plate (45) in a sliding mode, connecting plates (48) are fixedly connected between the outer ends of the plurality of groups of push rods (49) on the same side, each group of push rods (49) is provided with a pressure plate (50) at the inner end, each group of connecting plates (48) is fixedly provided with a convex rod (51), and the convex rods (51) and the guide blocks (46) are rotatably connected through connecting rods (52).

8. A multi-channel low voltage driving circuit board etching device for beam deflection as claimed in claim 5, it is characterized in that a first proximity switch (19), a second proximity switch (20) and a third proximity switch (21) are sequentially and fixedly arranged on the inner wall of the vertical plate (5) close to one side of the etching groove (2) from the etching groove (2) to the cleaning groove (3), a fourth proximity switch (22), a fifth proximity switch (23) and a sixth proximity switch (24) are sequentially and fixedly arranged on the inner wall of the vertical plate (5) close to one side of the drying groove (4) from the cleaning groove (3) to the drying groove (4), wherein the first proximity switch (19), the third proximity switch (21) and the fifth proximity switch (23) control the first linear cylinder (33) to contract, the second proximity switch (20), the fourth proximity switch (22) and the sixth proximity switch (24) control the first linear cylinder (33) to extend.