CN119065210B

CN119065210B - A photosensitive dry film exposure alignment and trimming processing device

Info

Publication number: CN119065210B
Application number: CN202411259319.6A
Authority: CN
Inventors: 刘罡; 刘超; 刘军辉
Original assignee: Jiangxi Huimeixing Technology Co ltd
Current assignee: Jiangxi Huimeixing Technology Co ltd
Priority date: 2024-09-10
Filing date: 2024-09-10
Publication date: 2025-02-18
Anticipated expiration: 2044-09-10
Also published as: CN119065210A

Abstract

The invention relates to the technical field of photosensitive dry film processing, in particular to a photosensitive dry film exposure alignment trimming processing device which comprises a box body and box doors symmetrically connected to two sides of the box body in a rotating mode. According to the invention, when the circuit board is placed in the box body, the circuit board is clamped and fixed through the movement of the clamping blocks, the electric polishing disc can be started to trim the edge of the circuit board, the clamping blocks can avoid the electric polishing disc under the action of the L-shaped rod and the U-shaped rod, polishing and trimming of the electric polishing disc are not affected, and after the electric polishing disc continues to move, the clamping blocks are reset again to continuously clamp and fix the circuit board, so that the clamping position is not required to be manually adjusted, the operation is convenient, and the trimming efficiency is improved.

Description

Photosensitive dry film exposure alignment trimming device

Technical Field

The invention relates to the technical field of photosensitive dry film processing, in particular to a photosensitive dry film exposure alignment trimming treatment device.

Background

In the manufacturing process of the printed circuit board, the photosensitive dry film plays a critical role as a special product, and the edge of the circuit board often has a flanging and protruding phenomenon, so that the light leakage phenomenon of the photosensitive dry film is easily caused when the photosensitive dry film is exposed, the transfer precision of a pattern and the quality of the circuit board are seriously affected, and the edge of the circuit board needs to be trimmed before the exposure treatment.

At present, in the photosensitive dry film treatment process, the traditional circuit board edge trimming method is often dependent on mechanical or chemical means to realize edge removal and smoothing treatment so as to facilitate the lamination of the photosensitive dry film, and in the actual operation of the circuit board edge trimming, a clamping block is generally adopted to fix the circuit board so as to ensure the stability of the circuit board in the machining process, and as the clamping block needs to be contacted with the circuit board, the position of the clamping block easily interferes with the movement track of a polishing tool, so that the polishing process becomes complex and difficult to control, and an operator needs to continuously adjust the position of the polishing tool so as to avoid the clamping block and clamp the circuit board as uniformly as possible, thereby not only increasing the operation difficulty, but also reducing the trimming efficiency due to the adjustment time and indirectly influencing the exposure efficiency of the photosensitive dry film.

Therefore, the photosensitive dry film exposure alignment trimming processing device which can adaptively enable the clamping blocks to avoid the influence on trimming, is convenient to operate and improves the trimming efficiency is provided.

Disclosure of Invention

In order to overcome the defect that the position of the clamping block is easy to interfere with the movement track of the polishing tool and the trimming efficiency is affected by the fact that an operator needs to continuously adjust the position of the polishing tool due to the fact that the clamping block is in contact with the circuit board, the invention provides the photosensitive dry film exposure alignment trimming processing device capable of adaptively enabling the clamping block to avoid not affecting trimming, and the device is convenient to operate and improves the trimming efficiency.

The invention is realized by the following technical scheme:

The utility model provides a sensitization dry film exposure counterpoint finishing treatment device, including box and symmetry rotation connection in the chamber door of box both sides, the box both sides rotate and are connected with the closing plate, box lateral surface rigid coupling has the exposure platform, the box inboard is provided with electric lift plate, box top symmetry sliding connection has the back template, be provided with electronic slide rail on the back template, be provided with the polisher on the electronic slide rail, the electronic screw rod with back template threaded connection is installed at the box top, the screw thread of both sides is opposite around the electronic screw rod, still including conveying subassembly, dust absorption subassembly, the guide arm, the clamp splice, connecting spring, L type pole and u type pole, conveying subassembly installs on the box for drive circuit board removal, the sliding connection who returns the even interval in template bottom has the guide arm, the tip rigid coupling of guide arm has the clamp splice, in order to press from both sides tight fixed with the circuit board, be connected with connecting spring between clamp splice and the back template, the rigid coupling has L type pole on the clamp splice, the rigid coupling has the u type pole that corresponds with L type pole on the electronic slide rail, u type pole left and right sides is the inclined plane, U type pole removes and drives L type pole removal, L type pole drive clamp splice and leaves clamp splice and take place circuit board edge and take place to leave the clamp splice in order to make the circuit board contact with the dust absorption piece and the edge to take place in the process of the dust and repair the edge.

Further described, the device also comprises a corrugated cover connected between the clamping block and the return plate, wherein the corrugated cover is sleeved on the connecting spring and used for blocking dust and scraps.

Further stated, the conveying assembly comprises a movable module symmetrically arranged on the inner side of the box body, the movable module is L-shaped, a push rod is fixedly connected to a movable part of the movable module and used for pushing the trimmed circuit board out of the box body, and a material conveying assembly is arranged on the exposure table and used for driving the trimmed circuit board to move leftwards to an exposure position.

Further stated, the material conveying component comprises an electric driving roller arranged at the bottom of the exposure platform and used for driving the trimmed circuit board to move leftwards to an exposure position, a guide frame positioned right above the electric driving roller is symmetrically and slidably connected to the top of the exposure platform in a penetrating way, a guide wheel is rotationally connected to the guide frame and used for guiding the movement of the circuit board, and a buffer spring is connected between the guide frame and the exposure platform.

Further stated, the dust collection assembly comprises dust collection pipes connected to two sides of the box body, the dust collection pipes are located at two sides of the electric lifting plate, the bottom of the box body is symmetrically provided with jet pumps, the air outlet ends of the jet pumps are connected with air blowing pipes, the air inlet ends of the jet pumps are connected with the air outlet ends of the dust collection pipes, the inner sides of the jet pumps are connected with filter bags in a clamping mode, cover plates are connected to the jet pumps in a rotating mode, and when the jet pumps are started, the jet pumps enable the dust collection pipes to suck dust and chips into the jet pumps to be filtered by the filter bags.

Further described, the dust collection assembly further comprises air blowing pipes symmetrically fixedly connected to the top of the box body, and air blowing ends of the air blowing pipes on the front side and the rear side face the front side and the rear side of the box body respectively.

Further stated, the photosensitive dry film exposure alignment trimming device further comprises a switching component, the switching component comprises guide seats fixedly connected to the tops of the electric lifting plates at uniform intervals, vertical rods are symmetrically fixedly connected to the bottoms of the boxes, limiting seats are sleeved between the vertical rods in a sliding mode, supporting springs sleeved on the vertical rods are symmetrically connected between the limiting seats and the boxes, supporting seats are rotatably connected to the middle portions of the limiting seats in a penetrating mode, inner spline barrels are fixedly connected to the bottoms of the supporting seats, the supporting seats rotatably penetrate through the electric lifting plates to drive the circuit boards to rotate, driving motors are mounted at the bottoms of the boxes, and spline shafts located on the inner sides of the inner spline barrels are fixedly connected to the end portions of output shafts of the driving motors.

Further stated, the switching assembly further includes a rubber seat fixedly secured to the top of the spacing seat at uniform intervals for cushioning the electric lifter plate.

The invention has the beneficial effects that:

1. When the circuit board is placed in the box, the circuit board is clamped and fixed through the clamp splice moving, the electric polishing disc can be started to trim the edge of the circuit board, the clamp splice can avoid the electric polishing disc under the action of the L-shaped rod and the U-shaped rod, polishing and trimming of the electric polishing disc are not affected, and after the electric polishing disc continues to move, the clamp splice is reset again and continuously clamps and fixes the circuit board, so that the clamping position is not required to be manually adjusted, the operation is convenient, and the trimming efficiency is improved.

2. Every time electronic slide rail drives electronic grinding dish and removes when repairing circuit board edge, starts the jet pump for dust and piece that the gas-blowing pipe will appear in the repair process blow dust pipe, dust pipe then with dust and piece suction jet pump in by the filter bag filtration, in order to prevent dust and piece adhesion influence the laminating degree of sensitization dry film and circuit board on the circuit board, thereby guarantee the exposure effect of sensitization dry film.

3. Under the effect of supporting seat, each time the circuit board both sides are maintained and are accomplished the back, the supporting seat can drive the circuit board and rotate ninety degrees for circuit board other both sides rotate to the position of maintaining and carry out subsequent maintenance, need not to rotate the circuit board and accomplish the maintenance of other both sides, thereby improve and maintain efficiency.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the return plate and the electric screw rod of the invention.

Fig. 3 is a schematic perspective view of the cylinder and the electric swing seat of the present invention.

Fig. 4 is a schematic perspective view of a mobile module and a push rod according to the present invention.

Fig. 5 is a schematic perspective view of the motor-driven roller and the guide roller of the present invention.

Fig. 6 is a schematic perspective view of a dust collection assembly according to the present invention.

Fig. 7 is a schematic perspective view of the cover plate and filter bag of the present invention.

Fig. 8 is a schematic perspective view of a guide bar and a clamp block according to the present invention.

FIG. 9 is a structural separation of the L-bar and the u-bar of the present invention.

Fig. 10 is a schematic perspective view of a switching assembly according to the present invention.

Fig. 11 is a schematic perspective view of a limiting seat and a supporting spring according to the present invention.

The drawing comprises the following reference numerals 1, a box body, 2, a box door, 21, a sealing plate, 3, an exposure table, 31, an electric lifting plate, 4, a return plate, 5, an electric sliding rail, 51, an air cylinder, 6, an electric swinging seat, 7, an electric grinding disc, 8, an electric screw, 9, a moving module, 92, a push rod, 93, an electric driving roller, 94, a guide frame, 95, a buffer spring, 96, a guide wheel, 10, a dust suction pipe, 11, a jet pump, 12, a cover plate, 13, a blowing pipe, 131, a filter bag, 14, a guide rod, 141, a clamping block, 142, a corrugated cover, 143, a connecting spring, 144, an L-shaped rod, 145, a u-shaped rod, 15, a guide seat, 151, a supporting seat, 152, a limiting seat, 1521, a vertical rod, 153, a supporting spring, 154, a driving motor, 155, a spline shaft, 1551, an inner spline cylinder, 156 and a rubber seat.

Detailed Description

It should be noted that in the various embodiments described, identical components are provided with identical reference numerals or identical component names, wherein the disclosure contained throughout the description can be transferred in a meaning to identical components having identical reference numerals or identical component names. The position specification, upper, lower, lateral, etc. selected in the description are also referred to directly in the description and the figures shown and are transferred in the sense of a new position when the position is changed.

Examples: the utility model provides a sensitization dry film exposure counterpoint finishing treatment device, please see the fig. 1-9 show, including box 1 and symmetry rotation connect in the chamber door 2 of the front and back both sides of box 1 lower part, open the upper portion of box 1 left and right sides all, all open and be connected with closing plate 21 in the opening of box 1 left and right sides, box 1 left side rigid coupling has exposure platform 3, box 1 inboard lower part is provided with electric lift plate 31, the symmetrical sliding connection has back template 4 in box 1 top front and back, be provided with electric slide rail 5 on the back template 4, be provided with the polisher on the electric slide rail 5, the polisher comprises cylinder 51, electric swing seat 6 and electric polishing dish 7, install electric swing seat 6 on electric swing seat 7, electric swing seat 5's the moving part rigid coupling has cylinder 51 on the moving part, electric swing seat 6's telescopic link tip and electric swing seat 6 fixed connection, electric screw 8 is installed to the middle of box 1 top, electric screw 8 front and back both sides's screw thread is opposite, electric screw 8 and back both sides screw thread connection 4 top of front and back both sides, still include that the transport assembly, guide arm 141, when the die plate 141 is connected with the equal to the back template 141, the mutual side of the realization is realized, the side is adjacent to the two sides of the front and back template 141, the circuit 141 is realized, the side is realized and is connected with the side of the side plate 141, the side is parallel with the side of the clamp plate 141, and is realized and is parallel with the clamp plate 141, when the side assembly is realized, and is adjacent to the side, and is realized, and is adjacent to the clamp plate 141, and is connected with the side plate 141, and is adjacent to the side plate 141, the corrugated cover 142 is connected between the front side clamping blocks 141 and the rear side clamping blocks 141 and the front side and the rear side back plates 4 respectively, the corrugated cover 142 is sleeved on the connecting springs 143, dust and scraps can be blocked by the corrugated cover 142, the upper parts of the sides, away from each other, of the front side and the rear side clamping blocks 141 are fixedly connected with the L-shaped rods 144, the lower parts of the front side and the rear side electric sliding rails 5 are fixedly connected with the U-shaped rods 145, the left sides and the right sides of the U-shaped rods 145 are inclined planes, the U-shaped rods 145 correspond to the L-shaped rods 144, the U-shaped rods 145 move to drive the L-shaped rods 144 to move, the L-shaped rods 144 drive the clamping blocks 141 to move away from contact with the edges of the circuit boards, so that the clamping blocks 141 do not influence the electric polishing disc 7 to repair the edges of the circuit boards, the dust collection assembly is mounted on the box body 1, and when the dust collection assembly operates, the dust collection assembly can realize the dust and scraps in the repair process.

Referring to fig. 2, fig. 4 and fig. 5, the conveying assembly comprises a moving module 9, a push rod 92 and a material conveying assembly, the moving module 9 is symmetrically and transversely installed on the front and back of the inner top of the box body 1, the push rod 92 is fixedly connected to moving parts of the front and back moving module 9, when the push rod 92 moves to be in contact with a circuit board, the push rod 92 can push the trimmed circuit board out of the box body 1, the material conveying assembly is arranged on the exposure table 3, when the material conveying assembly operates, the material conveying assembly can drive the trimmed circuit board to move leftwards to an exposure position, the material conveying assembly comprises an electric driving roller 93, a guide frame 94, a buffer spring 95 and a guide wheel 96, the electric driving roller 93 is installed on the right side of the bottom of the exposure table 3, when the electric driving roller 93 is reversed, the electric driving roller 93 can drive the trimmed circuit board to move leftwards to an exposure position, the guide frame 94 is symmetrically connected to the front and back of the right side of the top of the exposure table 3, the guide frame 94 is located right above the electric driving roller 93, the lower parts of the guide frame 94 are rotatably connected to the guide wheels 94, and the guide frames 94 are connected to the lower parts of the guide frame 94 in a rotary mode, and the lower parts of the guide frame 94 are connected to the guide frames to the front and the guide frame 95.

Referring to fig. 6 and 7, the dust collection assembly includes a dust collection pipe 10, a jet pump 11, a cover plate 12, a gas blowing pipe 13 and a filter bag 131, the gas blowing pipe 13 is symmetrically and fixedly connected to the top of the interior of the box 1, the gas blowing ends of the gas blowing pipes 13 at the front and rear sides face the front and rear sides of the box 1 respectively, the dust collection pipes 10at the front and rear sides of the box 1 are respectively connected with the dust collection pipe 10, the jet pump 11 is symmetrically and longitudinally mounted at the bottom of the interior of the box 1, the gas outlet ends of the jet pump 11 at the front and rear sides are respectively fixedly connected with the left ends of the gas blowing pipes 13 at the front and rear sides, the gas inlet ends of the jet pump 11 at the front and rear sides are respectively connected with the gas outlet ends of the dust collection pipes 10at the front and rear sides, the cover plate 12 is rotatably connected to one side of the jet pump 11 at the front and rear sides far from each other, the inner sides of the jet pump 11 at the front and rear sides are respectively clamped with the filter bag 131, and when the jet pump 11 is started, the gas blowing pipe 13 blows dust and debris generated in the trimming process to the dust collection pipe 10 in the direction, so that the dust collection pipe 10 is sucked into the jet pump 11 and sucked into the jet pump 11 to the left and filtered in contact with the filter bag 131.

Firstly, a circuit board to be exposed is placed into a box body 1 from an opening on the right side of the box body 1, the circuit board is positioned in the clamping range of an electric clamp 91, then an electric screw 8 is started to rotate forward to drive a front side back plate 4 and a rear side back plate 4 to move towards a direction approaching each other, the back plate 4 drives a front side back electric grinding disc 7 and a rear side back electric grinding disc 7 to move towards a direction approaching each other through an electric sliding rail 5 and an electric swinging seat 6, the front side back plate 7 is close to the edge of the circuit board, meanwhile, the back plate 4 drives a front side clamping block 141 and a rear side clamping block 141 to move towards a direction approaching each other through a connecting spring 143, the front side clamping block 141 and the rear side clamping block 141 are contacted with the circuit board, the circuit board is clamped and fixed, so that the circuit board is prevented from moving to influence finishing accuracy, the circuit board finishing accuracy is guaranteed, the electric screw 8 is closed, the clamping block 141 and the electric grinding disc 7 stop moving, and then the electric sliding rail 5 is started, The air cylinder 51 and the electric swinging seat 6 drive the electric grinding disc 7 to move and swing, the position and the angle of the electric grinding disc 7 are regulated, the electric grinding disc 7 is started, the electric sliding rail 5 is started to move leftwards, the electric grinding disc 7 is driven to move leftwards by the electric swinging seat 6, the electric grinding disc 7 moves leftwards to trim the edge of the circuit board, the edge of the circuit board is in a flat state, the electric sliding rail 5 continues to move leftwards, the electric sliding rail 5 drives the u-shaped rod 145 to move leftwards, the u-shaped rod 145 moves leftwards to be contacted with the L-shaped rod 144, the u-shaped rod 145 drives the front and rear side L-shaped rods 144 to move in the direction away from each other, the L-shaped rod 144 drives the front and rear side-shaped clamping blocks 141 to move in the direction away from each other, the connecting spring 143 and the corrugated cover 142 are compressed, the corrugated cover 142 can prevent dust and scraps falling on the connecting spring 143 and the guide rod 14 from being blocked and not smoothly influencing the subsequent use, the clamping blocks 141 on the front side and the rear side move away from each other to be separated from contact with the circuit board, the trimming of the circuit board by the electric polishing disc 7 is not influenced, the rest clamping blocks 141 continue to clamp the circuit board, when the electric polishing disc 7 continues to move leftwards to drive the u-shaped rod 145 to move leftwards, the u-shaped rod 145 is separated from contact with the L-shaped rod 144, the clamping blocks 141 on the front side and the rear side move towards the direction close to each other to reset due to the action of the connecting spring 143, the clamping blocks 141 continue to clamp and fix the circuit board, so repeatedly, the clamping blocks 141 can be used for avoiding the polishing trimming of the electric polishing disc 7 without manual adjustment, the operation is convenient, the trimming efficiency is improved, the jet pump 11 is started to discharge air into the air blowing pipe 13, the air blowing pipe 13 blows air in the trimming area of the circuit board, the air blows the scraps and dust which appear in the trimming process of the circuit board towards the direction of the dust suction pipe 10, as the sealing plate 92 blocks the opening of the box body 1, dust and scraps are prevented from being discharged from the box body 1, the ejector pump 11 pumps air into the dust suction pipe 10, the dust suction pipe 10 is in a negative pressure state, the dust and scraps in the blowing process are pumped into the ejector pump 11, the dust and scraps are all in contact with the filter bag 131, the filter bag 131 filters the dust and scraps, the air for filtering the dust and scraps is discharged into the air blowing pipe 13 by the ejector pump 11 to be sprayed out, and the dust and scraps which appear in the trimming process can be repeatedly pumped away continuously, so that the dust and scraps are prevented from being attached to the circuit board to influence the attaching degree of the photosensitive dry film and the circuit board, and the exposure effect of the photosensitive dry film is ensured. When the electric polishing disc 7 moves leftwards to the maximum stroke, the electric sliding rail 5 is started to move rightwards, the electric polishing disc 7 is driven to move rightwards to reset through the electric swinging seat 6, the electric polishing disc 7 moves rightwards to reset again to trim the edge of the circuit board, the electric sliding rail 5 is closed, after finishing the edge of the front side and the rear side of the circuit board, the electric screw rod 8 is started to reversely rotate to drive the front side and the rear side return plates 4 to move and reset in the direction away from each other, the clamping blocks 141 move and reset in the direction away from each other, the circuit board is loosened by the clamping blocks 141, then the right side sealing plate 21 is pulled to swing upwards to open, the circuit board trimmed on the front side and the rear side is taken out from the box 1, and the circuit board is put into the box 1 again for finishing the other two sides by ninety degrees. After finishing the four sides of the circuit board, the electric polishing disc 7 and the jet pump 11 are closed, the air blowing pipe 13 stops blowing and the dust suction pipe 10 stops exhausting, the front and rear side box doors 2 are pulled to swing and open, the cover plate 12 is pulled to swing and open downwards, the filter bag 131 is taken out of the jet pump 11 to process dust and fragments at the filtering position, after all the dust and the fragments are poured out, the filter bag 131 is clamped back into the jet pump 11, the cover plate 12 is pulled to swing and close upwards, the box door 2 is pulled to swing and close again, meanwhile, the starting moving module 9 drives the push rod 92 to move to the right side of the circuit board first, then the moving module 9 drives the push rod 92 to move leftwards, the push rod 92 drives the circuit board to move leftwards to contact with the electric driving roller 93 and the guide wheel 96, at the moment, the circuit board is positioned in the exposure platform 3, the electric driving roller 93 is started to rotate reversely, the electric driving roller 93 is matched with the guide wheel 96 to drive the finished circuit board to move leftwards to the exposure position, the guide wheel 96 can be tightly contacted with the circuit board because of the buffer spring 95, the electric driving roller 93 is closed, the electric driving roller is started to perform the exposure processing on the finished circuit board, the finished dry film is better, the exposure board is exposed by the photosensitive board is exposed from the exposure platform, the photosensitive board is exposed by the photosensitive board, the photosensitive dry film is exposed by the exposure platform, the exposure processing is finished, and the dry film is better is exposed by the exposure board.

Referring to fig. 10 and 11, the photosensitive dry film exposure alignment trimming device further comprises a switching component installed between the box body 1 and the electric lifting plate 31, the switching component comprises a guide seat 15, a supporting seat 151, a limiting seat 152, vertical rods 1521, supporting springs 153, a driving motor 154, a spline shaft 155, an inner spline cylinder 1551 and a rubber seat 156, wherein the guide seat 15 is fixedly connected to the top of the electric lifting plate 31 at uniform intervals, the guide seat 15 consists of a base and balls, the base is fixedly connected to the top of the electric lifting plate 31, the balls are rotationally connected to the base, the vertical rods 1521 are fixedly connected to the bottom of the box body 1 in a bilateral symmetry manner, the limiting seat 152 is sleeved between the vertical rods 1521 on the left side and the right side, the supporting springs 153 are sleeved on the vertical rods 1521 in a bilateral symmetry manner, the middle of the limiting seat 152 is rotationally connected with the supporting seat 151 in a penetrating manner, the middle of the supporting seat 151 rotationally penetrates through the middle of the electric lifting plate 31, when the circuit board contacts with the supporting seat 151, the supporting seat 151 can drive the circuit board to rotate, the middle of the supporting seat 151 can be fixedly connected with the inner spline shaft 151, the motor is fixedly connected to the middle of the bottom of the supporting seat 154, the inner spline shaft 154 is mounted on the middle of the inner spline shaft 155, the inner spline shaft is in a driving seat 154 can be in a sliding manner, and the middle of the supporting seat 156 can be directly contacted with the inner spline shaft 155 and can be prevented from being in a position of the middle of the upper end of the electric lifting plate 156, and the inner spline plate 155 is in a position of the middle of the electric lifting plate 155 is directly and a position of the upper end of the upper plate 156.

When the circuit board moves leftwards into the box body 1, the electric clamp 91 loosens the circuit board, the circuit board drops downwards to the electric lifting plate 31 to be contacted with the guide seat 15, then the electric clamp 91 clamps and fixes the circuit board, the edges of the front side and the rear side of the circuit board can be trimmed, after trimming of the edges of the front side and the rear side of the circuit board is completed, the electric clamp 91 loosens the circuit board, the electric lifting plate 31 is started to move downwards to drive the guide seat 15 to move downwards, the guide seat 15 drives the circuit board to move downwards, when the circuit board moves downwards to be contacted with the supporting seat 151, the circuit board stops moving downwards, the guide seat 15 continues to move downwards to be separated from the circuit board, when the electric lifting plate 31 moves downwards to be contacted with the rubber seat 156, the rubber seat 156 buffers the electric lifting plate 31 to prevent the electric lifting plate 31 from being violently contacted with the limiting seat 152 to cause damage, with the electric lifting plate 31 continuing to move downwards, the electric lifting plate 31 drives the limit seat 152 to move downwards through the rubber seat 156, the supporting spring 153 is compressed, the limit seat 152 moves downwards to drive the supporting seat 151 to move downwards, the supporting seat 151 drives the internal spline cylinder 1551 to move downwards, the internal spline cylinder 1551 moves downwards to slide on the spline shaft 155, the supporting seat 151 moves downwards synchronously with the electric lifting plate 31 to move downwards, the supporting seat 151 moves downwards to drive the circuit board to move downwards, the circuit board moves downwards below the electric clamp 91 to close the electric lifting plate 31, the electric lifting plate 31 stops driving the limit seat 152 to move downwards through the rubber seat 156, the limit seat 152 stops driving the supporting seat 151 to move downwards, the circuit board also stops moving downwards, the driving motor 154 is started to drive the spline shaft 155 to rotate ninety degrees, the spline shaft 155 drives the internal spline cylinder 1551 to rotate, the internal spline cylinder 1551 drives the supporting seat 151 to rotate, the supporting seat 151 rotates to drive the circuit board to rotate ninety degrees, the driving motor 154 is turned off, the electric lifting plate 31 is started to move upwards to drive the guide seat 15 to move upwards, along with the continuous upward movement of the electric lifting plate 31, the electric lifting plate 31 stops pressing the rubber seat 156, the limiting seat 152 moves upwards to drive the supporting seat 151 to move upwards due to the action of the supporting spring 153, the supporting seat 151 drives the internal spline cylinder 1551 to move upwards to reset, the supporting seat 151 moves upwards to drive the circuit board to move upwards, when the supporting seat 151 moves upwards to reset, the supporting seat 151 stops moving upwards, then the guide seat 15 continues to move upwards to contact with the circuit board, the guide seat 15 drives the circuit board to move upwards to reset, and therefore the circuit board can be clamped and fixed continuously, and two sides of the circuit board which are not trimmed are trimmed. Therefore, the circuit board does not need to be manually rotated to finish trimming of the other two sides, and trimming efficiency is improved.

Finally, it is to be understood that the foregoing is merely provided to facilitate understanding of the principles of the invention and is not to be construed as limiting the scope of the invention, and that various modifications and alterations may be made by those skilled in the art in light of the foregoing teachings.

Claims

1. The utility model provides a photosensitive dry film exposure counterpoint finishing treatment device, including box (1) and symmetry rotate connect in chamber door (2) of box (1) both sides, box (1) both sides rotate and are connected with closing plate (21), box (1) lateral surface rigid coupling has exposure platform (3), box (1) inboard is provided with electric lift board (31), box (1) top symmetry sliding connection has back template (4), be provided with electric slide rail (5) on back template (4), be provided with the polisher on electric slide rail (5), electric screw (8) with back template (4) threaded connection are installed at box (1) top, the screw thread of electric screw (8) front and back both sides is opposite, characterized by, still include conveying component, dust absorption subassembly, guide arm (14), clamp splice (141), connecting spring (143), L type pole (144) and u type pole (145), conveying component installs on box (1) for drive circuit board removal, back template (4) bottom evenly spaced sliding connection has guide arm (14), the tip rigid coupling has clamp splice (141) with back template (141) to connect clamp splice (141) with clamp splice (141), the electric sliding rail (5) is fixedly connected with a u-shaped rod (145) corresponding to the L-shaped rod (144), the left side and the right side of the u-shaped rod (145) are inclined planes, the L-shaped rod (144) is driven by the movement of the u-shaped rod (145) to move, the L-shaped rod (144) drives the clamping block (141) to move and separate from the contact with the edge of the circuit board, so that the clamping block (141) avoids the trimming of the grinding machine on the edge of the circuit board, and the dust collection assembly is arranged on the box body (1) and is used for pumping dust and scraps which appear in the trimming process.

2. The exposure and alignment trimming device for the photosensitive dry film according to claim 1, further comprising a corrugated cover (142) connected between the clamping block (141) and the return plate (4), wherein the corrugated cover (142) is sleeved on the connecting spring (143) for blocking dust and scraps.

3. The exposure and alignment trimming device of claim 2, wherein the conveying assembly comprises a moving module (9) symmetrically arranged on the inner side of the box body (1), the moving module (9) is L-shaped, a push rod (92) is fixedly connected to a moving part of the moving module (9) and used for pushing the trimmed circuit board out of the box body (1), and the exposure table (3) is provided with a material conveying assembly used for driving the trimmed circuit board to move leftwards to an exposure position.

4. A photosensitive dry film exposure alignment trimming processing device as claimed in claim 3, characterized in that the material conveying component comprises an electric driving roller (93) arranged at the bottom of the exposure table (3) and used for driving the trimmed circuit board to move leftwards to an exposure position, a guide frame (94) positioned right above the electric driving roller (93) is symmetrically and slidingly connected to the top of the exposure table (3) in a penetrating way, a guide wheel (96) is rotationally connected to the guide frame (94) and used for guiding the movement of the circuit board, and a buffer spring (95) is connected between the guide frame (94) and the exposure table (3).

5. The exposure and alignment trimming device for the photosensitive dry film according to claim 4, wherein the dust collection assembly comprises dust collection pipes (10) connected to two sides of the box body (1), the dust collection pipes (10) are located at two sides of the electric lifting plate (31), the bottom of the box body (1) is symmetrically provided with jet pumps (11), the air outlet ends of the jet pumps (11) are connected with the air blowing pipes (13), the air inlet ends of the jet pumps (11) are connected with the air outlet ends of the dust collection pipes (10), the inner sides of the jet pumps (11) are clamped with filter bags (131), the jet pumps (11) are rotatably connected with cover plates (12), and when the jet pumps (11) are started, the jet pumps (11) enable the dust collection pipes (10) to suck dust and scraps into the jet pumps (11) to be filtered by the filter bags (131).

6. The exposure and alignment trimming device for the photosensitive dry film according to claim 5, wherein the dust collection assembly further comprises air blowing pipes (13) symmetrically fixedly connected to the top of the box body (1), and air blowing ends of the air blowing pipes (13) at the front side and the rear side face the front side and the rear side of the box body (1) respectively.

7. The photosensitive dry film exposure alignment trimming device according to claim 6, further comprising a switching assembly, wherein the switching assembly comprises guide holders (15) fixedly connected to the tops of the electric lifting plates (31) at uniform intervals, vertical rods (1521) are symmetrically fixedly connected to the bottoms of the box bodies (1), limiting seats (152) are sleeved between the vertical rods (1521) in a sliding mode, supporting springs (153) sleeved on the vertical rods (1521) are symmetrically connected between the limiting seats (152) and the box bodies (1), supporting seats (151) are rotatably connected to the middle portions of the limiting seats (152) in a penetrating mode, inner spline barrels (1551) are fixedly connected to the bottoms of the supporting seats (151), the supporting seats (151) rotatably penetrate through the electric lifting plates (31) to drive the circuit boards to rotate, driving motors (154) are mounted at the bottoms of the box bodies (1), and spline shafts (155) located inside the inner spline barrels (1551) are fixedly connected to the output shaft ends of the driving motors (154).

8. The device as claimed in claim 7, wherein the switching assembly further comprises a rubber seat (156) fixedly connected to the top of the limit seat (152) at uniform intervals to buffer the electric lifting plate (31).