Double-sided automatic alignment equipment of solder mask semi-automatic exposure machine
By designing an automated double-faced device, using a motor to drive the slider and screw, the automatic limiting, positioning and flipping of the circuit board is achieved, which solves the problem of inefficiency in the existing technology, improves exposure efficiency, and meets the demand for high production capacity.
Patent Information
- Application Number
- CN202421344110.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-06-13
AI Technical Summary
The existing welding-proof exposure machines require manual positioning and flipping of circuit boards during the process, resulting in inefficient efficiency and unable to meet the rapidly growing production capacity needs.
A double-sided automatic alignment device for anti-welding semi-automatic exposure machine is designed, using the motor to drive the slider and screw to achieve automatic limiting, positioning and flipping of the circuit board, reducing manual intervention.
It realizes automatic positioning and flipping of circuit boards, improves exposure efficiency, reduces the time and energy of manual operation, and meets the needs of high productivity.
Smart Images

Figure CN223022537U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of exposure machines, in particular to a double-sided automatic alignment device for a solder mask semi-automatic exposure machine. Background Art
[0002] In recent years, with the rapid development of electronic technology, the demand for improving production capacity in the PCB industry has increased sharply. The production capacity of traditional fully automatic exposure machines in the solder mask exposure process can only reach 3 - 3.5 sheets per minute, and usually adopts a single-sided exposure and single-frame operation design; in the past two years, some enterprises have changed the traditional design method and adopted a single-sided exposure and double-frame operation design, and the production capacity can reach 5 - 6 sheets per minute. Even so, for the growing demand, it still cannot meet the current requirements of the printed circuit board manufacturing industry, because during the operation of the exposure machine, it is necessary to fix the printed circuit board, manually turn it over and reposition it, which greatly reduces the work efficiency. Content of the Utility Model
[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a double-sided automatic alignment device for a solder mask semi-automatic exposure machine, effectively solving the deficiencies of the prior art.
[0004] To achieve the above object, an embodiment of one aspect of the utility model provides a double-sided automatic alignment device for a solder mask semi-automatic exposure machine, including an exposure machine main body. An elevating device is fixedly connected to the upper part of one side of the exposure machine main body. An exposure module is fixedly connected to the elevating end of the elevating device. Two structural plates are fixedly connected to the lower part of one side of the exposure machine main body close to the exposure module. Circular sliders are slidably connected to the corresponding sides of the two structural plates. Fixing plates are fixedly connected to the corresponding sides of the two circular sliders. Rectangular sliders are rotatably connected to the sides of the two circular sliders away from each other. The two rectangular sliders are respectively slidably connected to the two structural plates. A first motor is fixedly connected to one side of any one of the two structural plates. The output end of the first motor is fixedly connected to the circular slider. A second motor is fixedly connected to a position on one side of the exposure machine main body close to the other one of the two structural plates. The output end of the second motor is threadedly connected to the rectangular slider.
[0005] Preferably, according to any one of the above solutions, first chutes are provided on the corresponding sides of the two structural plates, and the two circular sliders are respectively slidably connected to the two first chutes.
[0006] The technical effect achieved by adopting the above solution is that the circular slider can be limited by using this solution, and the circular slider can rotate while moving in a straight line, ensuring flexibility on the basis of the stability of the circular slider.
[0007] Preferably, according to any of the above solutions, second chutes are provided inside both of the first chutes, and the two second chutes are respectively slidably connected to two rectangular sliders.
[0008] The technical effect achieved by adopting the above solution is that by using this solution, the rectangular slider can be slidably connected to the structural plate through the second chute, and the rectangular slider can be limited.
[0009] Preferably, according to any of the above solutions, a strip-shaped opening is provided on one side of the structural plate close to the first motor, the output end of the first motor extends into the strip-shaped opening, and penetrates through the rectangular slider and is fixedly connected to the center of one side of the circular slider.
[0010] The technical effect achieved by adopting the above solution is that by using this solution, the circular slider can be driven to rotate by the first motor, and the fixed plate can be driven to rotate when the circular slider rotates.
[0011] Preferably, according to any of the above solutions, lead screws are rotatably connected to positions close to the second motor inside the two second chutes, the output end of the second motor is fixedly connected to one end of the lead screw, and the lead screw is threadedly connected to the rectangular slider.
[0012] The technical effect achieved by adopting the above solution is that by using this solution, the lead screw can be driven to rotate by the second motor, and the rectangular slider can be driven to move linearly along the inner wall of the second chute when the lead screw rotates.
[0013] Preferably, according to any of the above solutions, trigger rods are fixedly connected to the middle parts of the two fixed plates close to one of the second motors, and microswitches are fixedly connected to positions on the two structural plates close to the trigger rods.
[0014] The technical effect achieved by adopting the above solution is that by using this solution, it can automatically stop when the fixed plate moves directly below the exposure module, so that the holes on one side of the circuit board can cooperate with the exposure machine, which is more convenient without manual positioning.
[0015] Preferably, according to any of the above solutions, third chutes are provided on the corresponding side surfaces of the fixed plates, and limit bolts are threadedly connected to one ends of the two fixed plates far from the exposure machine main body.
[0016] The technical effect achieved by adopting the above solution is that by using this solution, the circuit board can be slidably connected to the fixed plate through the two third chutes to limit the circuit board, prevent the circuit board from shaking randomly and causing inaccurate positioning, and rotate the limit bolt to prevent the circuit board from falling off when rotating.
[0017] Preferably, according to any of the above solutions, a fourth chute is provided on one side of the structural plate close to the first motor, two strip-shaped sliders are fixedly connected to one side of the first motor, and the two strip-shaped sliders are slidably connected to the fourth chute.
[0018] The technical effect achieved by adopting the above solution is that by using this solution, the fourth chute and the strip-shaped slider can be used to slidably connect with the structural plate to limit the first motor and prevent the first motor from rotating self-rotation when it rotates.
[0019] The utility model has the following advantages:
[0020] For the double-sided automatic alignment device of the solder resist semi-automatic exposure machine, the second motor drives the lead screw to rotate. The lead screw is threadedly connected with the rectangular slider to limit the two fixing plates. When the lead screw rotates, the two fixing plates can be driven to move. When one side moves out of the structural plate, the circuit board is slidably connected with the fixing plates by two second chutes, and the limit bolt is rotated to further limit the circuit board to prevent the circuit board from falling off or shaking when it rotates, ensuring the stability of the circuit board. Then, the second motor is used to drive the fixing plates to retract again. When the trigger rod touches the micro switch, the movement stops. At this time, the circuit board and the exposure module are in a relative state, eliminating the need for manual positioning and being more convenient. When exposing one side, the circuit board is extended again, and the first motor is used to rotate the circuit board so that the other side is flush with the exposure module, enabling the circuit board to be turned over for secondary exposure, further increasing the exposure efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic structural diagram of the first view of the utility model;
[0022] Figure 2 It is a schematic structural diagram of the fixing plate view of the utility model;
[0023] Figure 3 It is a schematic structural diagram of the second view of the utility model;
[0024] Figure 4 It is a schematic structural diagram of the third view of the utility model.
[0025] In the figure: 1 - exposure machine main body, 2 - strip-shaped opening, 3 - fourth chute, 4 - structural plate, 5 - trigger rod, 6 - exposure module, 7 - lifting device, 8 - strip-shaped slider, 9 - fixing plate, 10 - limit bolt, 11 - third chute, 12 - rectangular slider, 13 - first motor, 14 - second chute, 15 - lead screw, 16 - micro switch, 17 - second motor, 18 - first chute, 19 - circular slider. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0026] The following further describes the present utility model with reference to the accompanying drawings, but the protection scope of the present utility model is not limited to the following.
[0027] As Figures 1 to 4As shown in the figure, the double-sided automatic alignment device of the solder mask semi-automatic exposure machine includes an exposure machine main body 1. The upper part on one side of the exposure machine main body 1 is fixedly connected with a lifting device 7. The lifting end of the lifting device 7 is fixedly connected with an exposure module 6. The lower part on one side of the exposure machine main body 1 close to the exposure module 6 is fixedly connected with two structural plates 4. The opposite sides of the two structural plates 4 are both slidably connected with circular sliders 19. The opposite sides of the two circular sliders 19 are both fixedly connected with fixing plates 9. The opposite sides of the two circular sliders 19 are both rotatably connected with rectangular sliders 12. The two rectangular sliders 12 are respectively slidably connected with the two structural plates 4. One side of any one of the two structural plates 4 is fixedly connected with a first motor 13. The output end of the first motor 13 is fixedly connected with the circular slider 19. The position on one side of the exposure machine main body 1 close to the other one of the two structural plates 4 is fixedly connected with a second motor 17. The output end of the second motor 17 is threadedly connected with the rectangular slider 12.
[0028] As an alternative technical solution of the present utility model, the opposite sides of the two structural plates 4 are both provided with first chutes 18. The two circular sliders 19 are respectively slidably connected with the two first chutes 18. By using this solution, the circular sliders 19 can be limited. The circular sliders 19 can rotate while moving in a straight line, ensuring flexibility on the basis of the stability of the circular sliders 19.
[0029] As an alternative technical solution of the present utility model, second chutes 14 are respectively provided inside the two first chutes 18. The two second chutes 14 are respectively slidably connected with the two rectangular sliders 12. By using this solution, the rectangular sliders 12 can be slidably connected with the structural plates 4 through the second chutes 14, and the rectangular sliders 12 are limited.
[0030] As an alternative technical solution of the present utility model, a strip-shaped opening 2 is provided on the side of the structural plate 4 close to the first motor 13. The output end of the first motor 13 extends into the strip-shaped opening 2 and is fixedly connected with the center of one side of the rectangular slider 12 and the circular slider 19 through. By using this solution, the circular slider 19 can be driven to rotate by the first motor 13, and the fixing plate 9 can be driven to rotate when the circular slider 19 rotates.
[0031] As an alternative technical solution of the present utility model, a lead screw 15 is rotatably connected at a position close to the second motor 17 inside the two second chutes 14. The output end of the second motor 17 is fixedly connected with one end of the lead screw 15. The lead screw 15 is threadedly connected with the rectangular slider 12. By using this solution, the lead screw 15 can be driven to rotate by the second motor 17, and the rectangular slider 12 can be driven to move linearly along the inner wall of the second chute 14 when the lead screw 15 rotates.
[0032] As an alternative technical solution of the present utility model, a trigger rod 5 is fixedly connected to the middle of the two fixing plates 9 close to one of the second motors 17. A microswitch 16 is fixedly connected to the position of the two structural plates 4 close to the trigger rod 5. By using this solution, it can automatically stop when the fixing plate 9 moves to directly below the exposure module 6, enabling the holes on one side of the circuit board to cooperate with the exposure machine, which is more convenient without manual positioning.
[0033] As an alternative technical solution of the present utility model, third sliding grooves 11 are formed on the corresponding side surfaces of the fixing plates 9. Limit bolts 10 are threadedly connected to the ends of the two fixing plates 9 away from the exposure machine main body 1. By using this solution, the circuit board can be slidably connected to the fixing plates 9 by means of the two third sliding grooves 11 to limit the circuit board and prevent inaccurate positioning caused by random shaking of the circuit board. And by rotating the limit bolts 10, it can prevent the circuit board from falling off when rotating.
[0034] As an alternative technical solution of the present utility model, a fourth sliding groove 3 is formed on one side of the structural plate 4 close to the first motor 13. Two strip-shaped sliders 8 are fixedly connected to one side of the first motor 13. The two strip-shaped sliders 8 are slidably connected to the fourth sliding groove 3. By using this solution, the first motor 13 can be limited by the fourth sliding groove 3 and the strip-shaped sliders 8 slidingly connected to the structural plate 4 to prevent the first motor 13 from rotating on its own when rotating.
[0035] The double-sided automatic alignment device of the solder mask semi-automatic exposure machine requires the following steps during use:
[0036] 1) Drive the lead screw 15 to rotate by using the second motor 17. The lead screw 15 is threadedly connected to the rectangular slider 12 to limit the two fixing plates 10.
[0037] 2) Rotate the limit bolts 10 to further limit the circuit board to prevent the circuit board from falling off or shaking when rotating, ensuring the stability of the circuit board. Then drive the fixing plate 9 to retract again by using the second motor 17.
[0038] 3) When the trigger rod 5 touches the microswitch 16, stop moving. At this time, the circuit board and the exposure module are in a relative state, which is more convenient without manual positioning.
[0039] In summary, when in use, the user drives the lead screw 15 to rotate by means of the second motor 17. The lead screw 15 is threadedly connected to the rectangular slider 12 to limit the two fixing plates 10. When the lead screw 15 rotates, it can drive the two fixing plates 10 to move. When one side moves out of the structural plate 4, the circuit board is slidably connected to the fixing plate 9 by means of the two second chutes 3. The limit bolt 10 is rotated to further limit the circuit board, preventing the circuit board from falling off or shaking when rotating, ensuring the stability of the circuit board. The second motor 17 is used again to drive the fixing plate 9 to retract. When the trigger rod 5 touches the microswitch 16, the movement stops. At this time, the circuit board and the exposure module are in a relative state, eliminating the need for manual positioning and being more convenient. When exposing one side, the circuit board is extended again, and the first motor 13 is used to rotate the circuit board so that the other side is flush with the exposure module 6, enabling the circuit board to be turned over for secondary exposure, further increasing the exposure efficiency.
[0040] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made in these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. Double-sided automatic alignment equipment of the semi-automatic solder mask exposure machine, characterized by: The invention comprises an exposure machine body (1), wherein the upper part of one side of the exposure machine body (1) is fixedly connected with a lifting device (7), the lifting end of the lifting device (7) is fixedly connected with an exposure module (6), the lower part of one side of the exposure machine body (1) close to the exposure module (6) is fixedly connected with two structural plates (4), the corresponding sides of the two structural plates (4) are slidably connected with circular sliders (19), the corresponding sides of the two circular sliders (19) are fixedly connected with a fixed plate (9), the two sides of the two circular sliders (19) away from each other are rotatably connected with rectangular sliders (12), the two rectangular sliders (12) are respectively slidably connected with the two structural plates (4), a first motor (13) is fixedly connected with one side of any one of the two structural plates (4), the output end of the first motor (13) is fixedly connected with the circular slider (19), a second motor (17) is fixedly connected with a position of one side of the exposure machine body (1) close to the other of the two structural plates (4), and the output end of the second motor (17) is threadedly connected with the rectangular slider (12).
2. The double-sided automatic alignment device of the semi-automatic solder mask exposure machine according to claim 1 is characterized in that: A first sliding groove (18) is provided on one side corresponding to the two structural plates (4), and the two circular sliding blocks (19) are respectively slidably connected to the two first sliding grooves (18).
3. The double-sided automatic alignment device of the semi-automatic solder mask exposure machine according to claim 2, characterized in that: A second sliding groove (14) is provided inside each of the two first sliding grooves (18), and the two second sliding grooves (14) are respectively slidably connected to two rectangular sliding blocks (12).
4. The double-sided automatic alignment device of the semi-automatic solder mask exposure machine according to claim 3 is characterized in that: A strip-shaped opening (2) is provided on one side of the structural plate (4) close to the first motor (13); the output end of the first motor (13) extends into the strip-shaped opening (2) and passes through the center of one side of the rectangular slider (12) and is fixedly connected to the circular slider (19).
5. The double-sided automatic alignment device of the semi-automatic solder mask exposure machine according to claim 4, characterized in that: A screw rod (15) is rotatably connected to a position inside the two second slide grooves (14) near the second motor (17); the output end of the second motor (17) is fixedly connected to one end of the screw rod (15); and the screw rod (15) is threadedly connected to the rectangular slider (12).
6. The double-sided automatic alignment device of the semi-automatic solder mask exposure machine according to claim 5, characterized in that: A trigger rod (5) is fixedly connected to the middle of one of the two fixing plates (9) close to the second motor (17), and a micro switch (16) is fixedly connected to the position of the two structural plates (4) close to the trigger rod (5).
7. The double-sided automatic alignment device of the semi-automatic solder mask exposure machine according to claim 6, characterized in that: A third sliding groove (11) is provided on the corresponding side surface of the fixing plate (9), and a limiting bolt (10) is threadedly connected to one end of the two fixing plates (9) away from the exposure machine body (1).
8. The double-sided automatic alignment device of the semi-automatic solder mask exposure machine according to claim 7, characterized in that: A fourth slide groove (3) is provided on one side of the structural plate (4) near the first motor (13); two strip-shaped sliders (8) are fixedly connected to one side of the first motor (13); and the two strip-shaped sliders (8) are slidably connected to the fourth slide groove (3).