Precise positioning exposure equipment for circuit board image

Abstract

The invention relates to the field of circuit board production devices, and discloses circuit board image accurate positioning exposure equipment which comprises a closed box, a base plate is fixedly connected to the middle of the closed box, a moving mechanism for transporting and positioning a circuit board is connected to the base plate, a shifting assembly is connected to the closed box, and an exposure assembly is fixedly connected to the moving end of the shifting assembly. According to the invention, through mutual cooperation of the exposure assembly and the moving mechanism, corresponding connection and sealing of an illumination position can be well realized, and through the multiple assemblies, the exposure assembly and the moving mechanism can be well positioned and matched, errors in the exposure assembly and the moving mechanism are reduced, and the overall precision is improved; the whole positioning is quick and convenient, the overall quality is improved while the production efficiency is not influenced, and the quick, accurate and stable positioning exposure requirement is met.

Description

Technical Field

[0001] This invention relates to the field of circuit board production equipment, and more particularly to circuit board image precision positioning and exposure equipment. Background Technology

[0002] Printed circuit boards (PCBs), as a core foundational component of the electronics and information industry, are crucial carriers for electronic components and circuit interconnection. Their manufacturing precision directly determines the performance, miniaturization, and reliability of electronic devices. In the PCB manufacturing process, the exposure process is the core step in transferring circuit patterns from the design to the physical substrate. Essentially, it involves using a specific light source to cause a photochemical reaction in the photoresist coated on the copper-clad laminate, forming a resist layer. This provides a precise pattern template for subsequent etching processes, ultimately forming the required circuit lines on the substrate. The positioning accuracy, pattern resolution, and process stability of the exposure process directly determine the clarity of the PCB circuitry, the accuracy of line width and spacing, and the quality of interlayer alignment.

[0003] Existing positioning systems struggle to maintain a stable position during repeated exposures, leading to uneven local focusing or positioning deviations. This affects the accuracy of image transfer, resulting in product errors and impacting product quality. Summary of the Invention

[0004] To address the technical problem of positioning accuracy, this invention provides a circuit board image precision positioning and exposure device.

[0005] The present invention is achieved by the following technical solution: a circuit board image precision positioning exposure device, comprising: a closed box, a base plate fixedly connected in the middle of the closed box, a moving mechanism for transporting and positioning circuit boards connected on the base plate, and a shifting component connected on the closed box, an exposure component fixedly connected to the moving end of the shifting component, and an adjustment mechanism located inside the closed box at the bottom of the moving mechanism.

[0006] As a further improvement to the above solution, the moving mechanism includes a rotating disk rotatably connected to the base plate, an electric guide rail fixedly connected to the rotating disk, a moving box connected to the moving end of the electric guide rail, the moving box being hollow, and a partition box being provided in the middle of the bottom of the moving box, a base box also being connected inside the moving box, and multiple starting rods connected inside the base box, the moving end of the starting rods being connected to a clamping assembly for placing the circuit board, the clamping assembly being located directly below the exposure assembly.

[0007] As a further improvement to the above solution, the moving mechanism also includes an elastic component disposed inside the moving box. One end of the elastic component is connected to a sealing plate that slides and fits with the moving box. A moving ring that contacts the exposure component is fixedly connected to the sealing plate. Photosensitive sensors that are fixedly connected to the moving box are disposed on both sides of the moving ring. Multiple follower sleeves are fixedly connected around the moving box, and the moving end of the follower sleeve is fixedly connected to a shaped plate for clamping the exposure component.

[0008] As a further improvement to the above solution, the clamping assembly includes multiple fine-tuning sleeves fixedly connected to the base box, and the moving end of the fine-tuning sleeve is fixedly connected to a pressing plate. A placement plate is provided between the multiple pressing plates, the circuit board is placed on the placement plate, and the moving end of the starter rod is fixedly connected to a magnetic suction piece that attracts the placement plate.

[0009] As a further improvement to the above solution, an adjustment sleeve 1 is also connected to the electric guide rail. A stabilizing plate is fixedly connected between the two adjustment sleeves 1. An adjustment sleeve 2 is connected to the moving end of the stabilizing plate. A fine adjustment piece is rotatably connected to the moving end of the adjustment sleeve 2. Multiple pressure sensors are fixedly connected to one side of the fine adjustment piece.

[0010] As a further improvement to the above solution, the mobile box is filled with liquid, a liquid filling hole is provided on one side of the mobile box, and the cross-section of the irregular plate adopts an L-shaped structure.

[0011] As a further improvement to the above solution, the exposure component includes a moving block fixedly connected to the moving end of the moving component, a hydraulic rod fixedly connected in the middle of the moving block, and a packaging box fixedly connected to the moving end of the hydraulic rod. When the packaging box moves downward, it contacts and squeezes the moving ring, causing the sealing plate to move downward. A diffuser box is fixedly connected inside the packaging box, and the diffuser box is located directly above the placement plate. Multiple pull ropes fixedly connected to the packaging boxes are connected to the bottom of the moving block.

[0012] As a further improvement to the above solution, the bottom of the encapsulation box is provided with a raised strip, the moving ring is provided with a recessed hole that matches the raised strip, and the perimeter of the diffuser box is fixedly connected with a sealing ring that fits into the base box.

[0013] As a further improvement to the above solution, the adjustment mechanism includes a stabilizing ring fixedly connected to the enclosed box, a main support sleeve rotatably connected to the stabilizing ring, and a central column fixedly connected to the moving end of the main support sleeve. A rotating ring rotatably connected to the rotating disk is fixedly connected to the outer side of the central column. Multiple inclined auxiliary sleeve rods are also fixedly connected to the stabilizing ring. A sliding block that slidably engages with the rotating ring is fixedly connected to the moving end of the auxiliary sleeve rod. A vacuum pump is also fixedly connected inside the enclosed box, and a hose connected to the main support sleeve is connected to the input end of the vacuum pump. A support pad is also fixedly connected to the top of the central column. A moving plate is adsorbed and connected to one end of the support pad, and the moving plate is connected to the moving box.

[0014] As a further improvement to the above scheme, the movable plate, support pad, main support sleeve and stabilizing ring are hollow, the partition box is provided with a series hole that communicates with the base box and the movable plate, and the closed box is also fixedly connected with a support frame for supporting the rotating disk.

[0015] As a further improvement to the above scheme, the displacement component includes four vertically arranged electric slide rails 1, two vertically arranged electric slide rails 2 are fixedly connected between the moving ends of two corresponding electric slide rails 1, two horizontally arranged electric slide rails 3 are fixedly connected between the moving ends of two vertically arranged electric slide rails 2, the moving end of the electric slide rail 3 is fixedly connected to the moving block, and elastic ropes that are fixedly connected to the enclosed box are connected to the electric slide rails 1, 2 and 3.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] 1. Through the cooperation of the exposure components and the moving mechanism, the corresponding connection and sealing of the illumination position can be well realized. At the same time, through multiple components, it can be well positioned and coordinated, reducing errors and improving overall accuracy. The entire positioning is fast and convenient, improving overall quality without affecting production efficiency, and achieving the need for fast, accurate and stable positioning exposure.

[0018] 2. Through the operation of the shifting components and adjustment mechanisms, the exposure requirements of PCB boards of different specifications can be quickly adapted, while ensuring stable and accurate execution of the work. Attached Figure Description

[0019] Figure 1 This is an overall structural diagram of the present invention;

[0020] Figure 2 This is a partial front view structural diagram of the present invention;

[0021] Figure 3 This is a partial front sectional view of the present invention;

[0022] Figure 4 This is a front view structural diagram of the moving mechanism;

[0023] Figure 5 This is a top view of the moving mechanism;

[0024] Figure 6 This is a partial front view of the exposed component structure.

[0025] Figure 7 This is a schematic diagram of the front cross-section of the exposure component;

[0026] Figure 8 This is a front view structural diagram of the adjustment mechanism;

[0027] Figure 9This is a side view of the adjustment mechanism.

[0028] Explanation of reference numerals in the attached figures:

[0029] 01. Enclosed box; 03. Base plate; 04. Fixed guide rail; 06. Rotating disk; 08. Pull rope; 09. Vacuum pump; 11. Electric guide rail; 12. Moving block; 13. Encapsulation box; 14. Adjusting sleeve one; 15. Hoses; 17. Auxiliary sleeve rod; 18. Support frame; 19. Intermediate column; 20. Rotating ring; 23. Stabilizing ring; 24. Main support sleeve; 25. Moving plate; 26. Connecting block; 30. Other 31. Shaping plate; 32. Stabilizing plate; 33. Adjusting sleeve II; 34. Fine-tuning plate; 35. Follower sleeve; 36. Moving box; 37. Hydraulic rod; 38. Starting rod; 39. Fine-tuning sleeve; 40. Moving ring; 41. Sealing plate; 42. Elastic component; 43. Support pad; 44. Divider box; 45. Base box; 46. Photosensitive sensor; 47. Pressing plate; 48. Diffuser box; 49. Placement plate; 40. Magnetic suction plate. Detailed Implementation

[0030] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0031] Example 1:

[0032] like Figures 1-7 As shown, the circuit board image precision positioning exposure equipment includes: a closed box 01, a base plate 03 fixedly connected to the middle of the closed box 01, a moving mechanism for transporting and positioning circuit boards connected to the base plate 03, the moving mechanism for transferring PCB boards and limiting the PCB boards to ensure the precision of the exposure position, and a shifting component connected to the closed box 01, the moving end of the shifting component being fixedly connected to an exposure component, the shifting component can drive the exposure component to move to adapt to adjustments during the working process and ensure the accuracy of subsequent connection with the moving mechanism, the bottom of the moving mechanism is provided with an adjustment mechanism located inside the closed box 01, the adjustment mechanism is used to adjust the angle of the moving mechanism to adapt to irregular or other shaped PCB boards and meet diverse processing needs.

[0033] The moving mechanism includes a rotating disk 06 rotatably connected to a base plate 03. An electric guide rail 11 is fixedly connected to the rotating disk 06. The rotating disk 06 is used to connect with the base plate 03 and provide support space. The moving end of the electric guide rail 11 can carry the corresponding moving box 35 to move, thereby carrying the PCB board for transfer. The moving end of the electric guide rail 11 is connected to the moving box 35. The moving box 35 is hollow, and a partition box 43 is provided in the middle of the bottom of the moving box 35. The partition box 43 is used to divide part of the space in the hollow moving box 35 to ensure that there are multiple channels for fluid flow. A base box 44 is also connected inside the moving box 35. Multiple starting rods 37 are connected inside the base box 44. The moving end of the starting rod 37 is connected to a clamping assembly for placing the circuit board. The clamping assembly is located directly below the exposure assembly. The starting rod 37 is used to support and stabilize the corresponding clamping assembly, thereby ensuring the clamping stability of the clamping assembly.

[0034] The moving mechanism also includes an elastic component 41 disposed inside the moving box 35. One end of the elastic component 41 is connected to a sealing plate 40 that is slidably fitted with the moving box 35. The elastic component 41 can return to its original position without external force, that is, drive the sealing plate 40 to its original position. A moving ring 39 that contacts the exposure component is fixedly connected to the sealing plate 40. Both sides of the moving ring 39 are provided with photosensitive sensors 45 that are fixedly connected to the moving box 35. Multiple follower sleeves 34 are fixedly connected around the moving box 35. The moving end of the follower sleeve 34 is fixedly connected to a shaped plate 30 for clamping the exposure component. During the movement of the sealing plate 40, it will enter the moving box 35, thereby reducing the internal volume of the moving box 35 and driving the liquid in the moving box 35 into the follower sleeve 34, thereby causing the moving end of the follower sleeve 34 to move, driving the corresponding shaped plate 30 to clamp and limit the exposure component, so as to stabilize its position and increase accuracy.

[0035] The clamping assembly includes multiple fine-tuning sleeves 38 fixedly connected to the base box 44, and a pressing plate 46 is fixedly connected to the moving end of the fine-tuning sleeve 38. A placement plate 48 is arranged between the multiple pressing plates 46, and the circuit board is placed on the placement plate 48. A magnetic suction piece 49 that attracts the placement plate 48 is fixedly connected to the moving end of the starting rod 37. The movement of the extension end of the fine-tuning sleeve 38 will drive the pressing plate 46 to move, thereby clamping the placement plate 48 and fine-tuning the position of the placement plate 48. The input ends of the fine-tuning sleeves 38 are all connected to the same pipe, that is, the pressure inside the multiple fine-tuning sleeves 38 is the same, and the extension length is also the same, that is, the corresponding positioning is achieved.

[0036] The electric guide rail 11 is also connected to an adjustment sleeve 14. A stabilizing plate 31 is fixedly connected between the two adjustment sleeves 14. An adjustment sleeve 2 32 is connected to the moving end of the stabilizing plate 31. A fine adjustment piece 33 is rotatably connected to the moving end of the adjustment sleeve 2 32. Multiple pressure sensors are fixedly connected to one side of the fine adjustment piece 33. The adjustment sleeve 14 is fixed to the electric guide rail 11 by bolts, thereby limiting the final position of the moving box 35. It also works with the pressure sensors to sense the compression intensity at different positions of the moving box 35. The adjustment is made by the adjustment sleeve 2 32 to reduce exposure errors caused by deformation or other errors. A fixed guide rail 04 is also provided on one side of the electric guide rail 11 and is fixedly connected to the base plate 03. The fixed guide rail 04 is used for fixed guidance.

[0037] The movable box 35 is filled with liquid, and a liquid filling hole is provided on one side of the movable box 35. The cross-section of the irregular plate 30 adopts an L-shaped structure. The liquid in the movable box 35 transmits force through internal pressure. The L-shaped structure ensures that the irregular plate 30 clamps the packaging box 13.

[0038] The implementation principle of this application embodiment is as follows: During operation, a suitable placement plate 48 is selected so that it can just hold the PCB board of the corresponding specification. Then, the placement plate 48 is attracted to the magnetic suction piece 49, and the height of the starting rod 37 is adjusted to the specified value. Then, the PCB board to be processed is placed in the placement plate 48. At this time, the electric guide rail 11 drives the moving plate 25 and the entire moving box 35 to move into the closed box 01. At the same time, the fine adjustment sleeve 38 moves synchronously to clamp the placement plate 48 and stabilize it. When it moves to the bottom of the exposure component, the pressure sensor senses the squeezing intensity at different positions of the moving box 35. The adjustment sleeve 32 is used to adjust the pressure and reduce the exposure error caused by deformation or other errors. Then, the exposure component descends and squeezes the moving ring 39, causing the sealing plate 40 to descend. The space inside the moving box 35 becomes smaller, and liquid enters the follower sleeve 34, pushing the irregular plate 30 to move, clamping the packaging box 13, and further positioning the packaging box 13 to ensure the overall accurate positioning.

[0039] Example 2:

[0040] like Figures 1-7As shown, the exposure assembly includes a moving block 12 fixedly connected to the moving end of the moving assembly. A hydraulic rod 36 is fixedly connected to the middle of the moving block 12. The moving block 12 is used to connect to the moving end of the shifting assembly, thereby enabling fine adjustment and movement. The moving end of the hydraulic rod 36 is fixedly connected to a packaging box 13, which can drive the packaging box 13 to move. A diffuser box 47 is fixedly connected inside the packaging box 13. The diffuser box 47 is located directly above the placement plate 48. When the packaging box 13 moves downward, it contacts and squeezes the moving ring 39, causing the sealing plate 40 to move downward, which reduces the internal space of the moving box 35 and extends with the moving end of the moving sleeve 34. The bottom of the moving block 12 is connected to multiple pull ropes 08 fixedly connected to the packaging boxes 13. The pull ropes 08 can pull the packaging box 13 to reduce excessive movement of the packaging box 13.

[0041] The bottom of the encapsulation box 13 is provided with a raised strip, and the moving ring 39 is provided with a recessed hole that matches the raised strip. The periphery of the diffuser box 47 is fixedly connected with a sealing ring that fits into the base box 44. Through the connection between the raised strip and the recessed hole, the moving ring 39 and the encapsulation box 13 can be sealed. At the same time, the sealing ring further ensures the sealing of the connection between the diffuser box 47 and the base box 44.

[0042] The implementation principle of this application embodiment is as follows: During operation, the extension of the hydraulic rod 36 causes the packaging box 13 to move, so that the packaging box 13 is engaged with the moving ring 39 and causes the moving ring 39 to move and squeeze. An external light source can be connected to the packaging box 13, and the light is irradiated onto the placement plate 48 through the diffuser box 47 for photoetching. The irregular plate 30 can hold the packaging box 13 for further positioning, thereby further improving the image stability during irradiation.

[0043] Example 3:

[0044] like Figures 1-9As shown, the adjustment mechanism includes a stabilizing ring 23 fixedly connected to the sealed box 01. A main support sleeve 24 is rotatably connected to the stabilizing ring 23, and a central column 19 is fixedly connected to the moving end of the main support sleeve 24. A rotating ring 20, rotatably connected to the rotating disk 06, is fixedly connected to the outer side of the central column 19. Multiple inclined auxiliary sleeve rods 17 are also fixedly connected to the stabilizing ring 23. A sliding block that slidably engages with the rotating ring 20 is fixedly connected to the moving end of each auxiliary sleeve rod 17. A vacuum pump 09 is also fixedly connected inside the sealed box 01, and a flexible hose 15 connected to the main support sleeve 24 is connected to the input end of the vacuum pump 09. The vacuum pump 09 can extract air, thereby making the sealed box... The space enclosed by the 13 and the moving box 35 forms a near-vacuum state. The top of the intermediate column 19 is also fixedly connected to a support pad 42. One end of the support pad 42 is adsorbed and connected to a moving plate 25. The moving plate 25 is connected to the moving box 35 and adsorbed to the support pad 42, thereby realizing the connection between the moving part and the fixed part. The outer side of the moving plate 25 is fixedly connected to a connecting block 26 connected to the moving end of the electric guide rail 11. The support pad 42 can extend and adsorb onto the moving plate 25. A power element is provided in the stabilizing ring 23, which can drive the main support sleeve 24 to rotate and finely adjust the position of the rotating ring 20 and the rotating disk 06 to adapt to the alignment needs of the exposure work.

[0045] The movable plate 25, support pad 42, main support sleeve 24, and stabilizing ring 23 are hollow. The partition box 43 is provided with a series hole that communicates with the base box 44 and the movable plate 25. The closed box 01 is also fixedly connected with a support frame 18 for supporting the rotating disk 06. Through the vacuum-set movable plate 25, support pad 42, main support sleeve 24, and stabilizing ring 23, the gas in the space enclosed by the sealing box 13, diffuser box 47, base box 44, and movable box 35 after sealing can be extracted through the intermediate column 19 to form a vacuum-like state, ensuring the accuracy of exposure and reducing the impact of material flow on irradiation.

[0046] The implementation principle of this application embodiment is as follows: During operation, the power supply from the power element inside the stabilizing ring 23 drives the main support sleeve 24 to rotate, which in turn drives the rotating ring 20 and the rotating disk 06 to rotate, allowing for angle adjustment. At the same time, the vacuum pump 09 can extract air. Through the vacuum-set moving plate 25, support pad 42, main support sleeve 24, and stabilizing ring 23, the gas in the space enclosed by the sealing box 13, diffuser box 47, base box 44, and moving box 35 after sealing can be extracted through the intermediate column 19, forming a vacuum-like state, reducing the impact of material flow on irradiation. The support pad 42 is adsorbed onto the moving plate 25, and the power element inside the stabilizing ring 23 drives the main support sleeve 24 to rotate, finely adjusting the positions of the rotating ring 20 and the rotating disk 06 to meet the alignment requirements of the exposure work.

[0047] Example 4:

[0048] like Figures 1-9 As shown, the displacement assembly includes four vertically arranged electric slide rails 1. A longitudinally arranged electric slide rail 2 is fixedly connected between the moving ends of two corresponding electric slide rails 1. A transversely arranged electric slide rail 3 is fixedly connected between the moving ends of two longitudinally arranged electric slide rails 2. The moving end of the electric slide rail 3 is fixedly connected to the moving block 12. Elastic ropes that are fixedly connected to the enclosed box 01 are connected to the electric slide rails 1, 2, and 3. By moving the multiple electric slide rails, the moving block 12 can be driven to reach the specified spatial position, ensuring the stability of the initial position. The elastic ropes can reduce the stress deformation of the crossbeam in the corresponding electric slide rail, further reducing errors.

[0049] The above embodiments are merely preferred embodiments of the present invention and should not be construed as limiting the scope of protection of the present invention. Any non-substantial changes and substitutions made by those skilled in the art based on the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. A circuit board image precision positioning exposure device, characterized in that, include: A closed box (01) is fixedly connected to a base plate (03) in the middle of the closed box (01). A moving mechanism for transporting and positioning circuit boards is connected to the base plate (03). A shifting component is connected to the closed box (01). An exposure component is fixedly connected to the moving end of the shifting component. An adjustment mechanism located inside the closed box (01) is provided at the bottom of the moving mechanism. The moving mechanism includes a rotating disk (06) rotatably connected to a base plate (03), an electric guide rail (11) fixedly connected to the rotating disk (06), a moving box (35) connected to the moving end of the electric guide rail (11), the moving box (35) being hollow, and a partition box (43) being provided in the middle of the bottom of the moving box (35), a base box (44) being connected inside the moving box (35), and multiple starter rods (37) being connected inside the base box (44), the moving end of the starter rod (37) being connected to a clamping assembly for placing the circuit board, the clamping assembly being located directly below the exposure assembly.

2. The circuit board image precision positioning exposure device as described in claim 1, characterized in that, The moving mechanism also includes an elastic component (41) disposed inside the moving box (35). One end of the elastic component (41) is connected to a sealing plate (40) that is slidably sleeved with the moving box (35). A moving ring (39) that contacts the exposure component is fixedly connected to the sealing plate (40). Photosensitive sensors (45) that are fixedly connected to the moving box (35) are provided on both sides of the moving ring (39). Multiple follower sleeves (34) are fixedly connected around the moving box (35), and a shaped plate (30) for clamping the exposure component is fixedly connected to the moving end of the follower sleeve (34).

3. The circuit board image precision positioning exposure device as described in claim 2, characterized in that, The clamping assembly includes multiple fine-tuning sleeves (38) fixedly connected to the base box (44), and the moving end of the fine-tuning sleeve (38) is fixedly connected to a pressing plate (46). A placement plate (48) is arranged between the multiple pressing plates (46), and the circuit board is placed on the placement plate (48). The moving end of the starter rod (37) is fixedly connected to a magnetic suction piece (49) that attracts the placement plate (48).

4. The circuit board image precision positioning exposure device as described in claim 2, characterized in that, The electric guide rail (11) is also connected to an adjustment sleeve (14), and a stabilizing plate (31) is fixedly connected between the two adjustment sleeves (14). The moving end of the stabilizing plate (31) is connected to an adjustment sleeve (32), and the moving end of the adjustment sleeve (32) is rotatably connected to a fine-tuning piece (33). Multiple pressure sensors are fixedly connected to one side of the fine-tuning piece (33).

5. The circuit board image precision positioning exposure device as described in claim 2, characterized in that, The movable box (35) is filled with liquid, and a liquid filling hole is provided on one side of the movable box (35). The cross-section of the irregular plate (30) adopts an L-shaped structure.

6. The circuit board image precision positioning exposure device as described in claim 3, characterized in that, The exposure assembly includes a moving block (12) fixedly connected to the moving end of the moving assembly. A hydraulic rod (36) is fixedly connected in the middle of the moving block (12), and a packaging box (13) is fixedly connected to the moving end of the hydraulic rod (36). When the packaging box (13) moves downward, it contacts and squeezes the moving ring (39), causing the sealing plate (40) to move downward. A diffuser box (47) is fixedly connected inside the packaging box (13). The diffuser box (47) is located directly above the placement plate (48). A pull rope (08) fixedly connected to multiple packaging boxes (13) is connected to the bottom of the moving block (12).

7. The circuit board image precision positioning exposure device as described in claim 6, characterized in that, The bottom of the encapsulation box (13) is provided with a raised strip, and the moving ring (39) is provided with a recessed hole that matches the raised strip. The diffuser box (47) is fixedly connected around its perimeter with a sealing ring that fits into the base box (44).

8. The circuit board image precision positioning exposure device as described in claim 3, characterized in that, The adjustment mechanism includes a stabilizing ring (23) fixedly connected to the enclosed box (01), a main support sleeve (24) rotatably connected to the stabilizing ring (23), and a middle column (19) fixedly connected to the moving end of the main support sleeve (24). A rotating ring (20) rotatably connected to the rotating disk (06) is fixedly connected to the outer side of the middle column (19). A plurality of inclined auxiliary sleeve rods (17) are also fixedly connected to the stabilizing ring (23). A sliding block that slides and engages with the rotating ring (20) is fixedly connected to the moving end of the auxiliary sleeve rod (17). A vacuum pump (09) is also fixedly connected inside the enclosed box (01). A hose (15) connected to the main support sleeve (24) is connected to the input end of the vacuum pump (09). A support pad (42) is also fixedly connected to the top of the middle column (19). A moving plate (25) is adsorbed and connected to one end of the support pad (42). The moving plate (25) is connected to the moving box (35).

9. The circuit board image precision positioning exposure device as described in claim 8, characterized in that, The movable plate (25), support pad (42), main support sleeve (24) and stabilizing ring (23) are hollow. The partition box (43) is provided with a series hole that communicates with the base box (44) and the movable plate (25). The closed box (01) is also fixedly connected with a support frame (18) for supporting the rotating disk (06).

10. The circuit board image precision positioning exposure device as described in claim 2, characterized in that, The displacement assembly includes four vertically arranged electric slide rails 1, and two corresponding electric slide rails 1 are fixedly connected to each other by a longitudinally arranged electric slide rail 2. Two longitudinally arranged electric slide rails 2 are fixedly connected to each other by a transversely arranged electric slide rail 3. The moving end of the electric slide rail 3 is fixedly connected to the moving block (12). Each of the electric slide rails 1, 2 and 3 is connected to an elastic rope that is fixedly connected to the enclosed box (01).

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