Circuit board exposure device

Abstract

The utility model discloses a circuit board exposure device which comprises a base, stand columns are fixedly connected to multiple corners of the top surface of the base, a top plate is welded to the top ends of the multiple stand columns, an electric cylinder is fixedly installed on the top surface of the top plate, and a lifting seat is installed at the telescopic end of the electric cylinder; and the lifting seat is in sliding connection with the plurality of stand columns through limiting holes formed in the surface of the lifting seat. According to the utility model, the movable bearing frame is adopted, the first exposure station and the second exposure station are arranged on the bearing frame, and the first exposure station and the second exposure station are alternately used for exposure, so that the circuit board on the second exposure station can be normally taken and placed in the exposure process of the circuit board on the first exposure station; similarly, in the exposure process of the circuit board on the second exposure station, the circuit board on the first exposure station can be normally taken and placed, so that shutdown is not needed when the circuit board is taken and placed, the exposure efficiency of the circuit board is greatly improved, and the device is high in practicability and worthy of popularization.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to a circuit board exposure device. Background Art

[0002] A circuit board can be called a printed circuit board or a printed wiring board. The birth and development of FPC circuit boards and rigid-flexible boards FPC and PCB have given rise to a new product, the rigid-flexible board. Therefore, a rigid-flexible board is a circuit board formed by combining a flexible circuit board and a rigid circuit board through processes such as lamination and combining them together according to relevant process requirements, having the characteristics of both FPC and PCB. During the processing of circuit boards, especially during the processing of flexible circuit boards, an exposure device is required.

[0003] The existing technology has the following problems:

[0004] After a large number of searches, it is found that the patent document with the application number CN202221842546.8 discloses a circuit board exposure device. This patent requires a shutdown operation during the process of picking and placing circuit boards, which takes time and greatly reduces the exposure efficiency of circuit boards.

[0005] Therefore, we propose a circuit board exposure device to solve the above drawbacks. Summary of the Utility Model

[0006] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a circuit board exposure device is proposed.

[0007] To achieve the above purpose, the utility model adopts the following technical scheme: A circuit board exposure device includes a base. At multiple corners on the top surface of the base, columns are fixedly connected. The tops of the multiple columns are welded to a top plate. An electric cylinder is fixedly installed on the top surface of the top plate. The telescopic end of the electric cylinder is equipped with a lifting seat. And the lifting seat is slidably connected to the multiple columns through limiting holes opened on its surface. Working grooves are opened on the opposite surfaces of the lifting seat and the base. And exposure lamps can be detachably installed in the two working grooves. A bearing frame is arranged between the base and the lifting seat. And the bearing frame is provided with a first exposure station and a second exposure station. The bottom surface of the bearing frame is fixedly connected with a threaded rod through a bracket. One side of the base is installed with a threaded block through a bearing seat. And a gear ring is fixedly connected to the outer wall of the threaded block. The threaded block is used in cooperation with the threaded rod. A driving motor is fixedly installed on the outer wall of the base. And the output end of the driving motor is equipped with a gear. And the gear meshes with the gear ring.

[0008] Preferably, hook surfaces of magic tapes are bonded to the inner bottom surfaces of the first exposure station and the second exposure station. Magic tape loop surfaces are bonded to the hook surfaces of the magic tapes. And a buffer pad is bonded to the surface of the magic tape loop surface far from the hook surface of the magic tape.

[0009] Preferably, a control panel is fixedly installed on one side surface of the lifting seat, and the control panel is electrically connected to the electric cylinder, the exposure lamp and the driving motor through wires.

[0010] Preferably, a spring is sleeved outside the column between the lifting seat and the base, and the number of springs is the same as the number of columns.

[0011] Preferably, a plurality of exposure lamps are provided, and the plurality of exposure lamps are arranged in an array in the working groove.

[0012] Preferably, the length of the threaded rod is the same as the length of the bearing frame.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows;

[0014] (1) In the present utility model, a movable bearing frame is adopted, and a first exposure station and a second exposure station are arranged on the bearing frame. The first exposure station and the second exposure station are alternately used for exposure. During the exposure process of the circuit board on the first exposure station, the circuit board on the second exposure station can be normally picked up and placed. Similarly, during the exposure process of the circuit board on the second exposure station, the circuit board on the first exposure station can be normally picked up and placed, so that it is not necessary to stop the machine when picking up and placing the circuit board, greatly improving the exposure efficiency of the circuit board, with strong practicability and worthy of promotion.

[0015] (2) In the present utility model, a buffer pad bonded by magic tape is adopted, which is convenient for disassembling, installing and replacing the buffer pad, and the maintenance is more convenient and labor-saving, with strong practicability and worthy of promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required in the embodiments.

[0017] Figure 1 It is a schematic structural diagram of a circuit board exposure device proposed by the present utility model;

[0018] Figure 2 It is Figure 1 an enlarged schematic diagram of A in

[0019] Figure 3 a schematic structural diagram of the bearing frame;

[0020] Figure 4 It is a connection schematic diagram of the threaded rod, the threaded block, the toothed ring, the driving motor and the gear.

[0021] Legend description:

[0022] 1. Base; 2. Column; 3. Top plate; 4. Electric cylinder; 5. Lifting seat; 6. Working groove; 7. Exposure lamp; 8. Spring; 9. Carrying frame; 10. Bracket; 11. Threaded rod; 12. Threaded block; 13. Gear ring; 14. Driving motor; 15. Gear; 16. Control panel; 17. Hook surface of magic tape; 18. Fluffy surface of magic tape; 19. Buffer pad; 20. First exposure station; 21. Second exposure station. Detailed implementation manners

[0023] To make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below in conjunction with the specific implementation manners and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary and are not intended to limit the scope of the present utility model. In addition, in the following descriptions, the descriptions of well-known structures and technologies are omitted to avoid unnecessarily confusing the concepts of the present utility model.

[0024] Please refer to Figures 1-4 , a circuit board exposure device, including a base 1. Columns 2 are fixedly connected to multiple corners of the top surface of the base 1, and the tops of the multiple columns 2 are welded with a top plate 3. An electric cylinder 4 is fixedly installed on the top surface of the top plate 3, and the telescopic end of the electric cylinder 4 is provided with a lifting seat 5. Moreover, the lifting seat 5 is slidably connected to the multiple columns 2 through the limiting holes opened on the surface. Working grooves 6 are opened on the opposite surfaces of the lifting seat 5 and the base 1, and exposure lamps 7 can be detachably installed in the two working grooves 6. A carrying frame 9 is arranged between the base 1 and the lifting seat 5, and a first exposure station 20 and a second exposure station 21 are arranged on the carrying frame 9. The bottom surface of the carrying frame 9 is fixedly connected with a threaded rod 11 through a bracket 10. A threaded block 12 is installed on one side of the base 1 through a bearing seat, and a gear ring 13 is fixedly connected to the outer wall of the threaded block 12. The threaded block 12 is used in cooperation with the threaded rod 11. A driving motor 14 is fixedly installed on the outer wall of the base 1, and the output end of the driving motor 14 is provided with a gear 15, and the gear 15 meshes with the gear ring 13.

[0025] During use, a movable carrier frame 9 is adopted. The carrier frame 9 is provided with a first exposure station 20 and a second exposure station 21, and the first exposure station 20 and the second exposure station 21 are used alternately for exposure. During the exposure process of the circuit board on the first exposure station 20, the circuit board on the second exposure station 21 can be normally picked up and placed. Similarly, during the exposure process of the circuit board on the second exposure station 21, the circuit board on the first exposure station 20 can be normally picked up and placed, so that there is no need to stop the machine when picking up and placing the circuit board, greatly improving the exposure efficiency of the circuit board. It has strong practicability and is worthy of popularization. After the circuit board is pushed between the lifting seat 5 and the base 1, the electric cylinder 4 pushes the lifting seat 5 to move downward, and the exposure lamps 7 in the two working grooves 6 can be used to expose both sides of the circuit board. It should be noted that the exposure principle of the circuit board is common knowledge to those skilled in the art and will not be elaborated here.

[0026] In this embodiment: The inner bottom surfaces of the first exposure station 20 and the second exposure station 21 are both adhered with magic hook surfaces 17, and the magic hook surfaces 17 are adhered with magic loop surfaces 18, and a buffer pad 19 is adhered to the surface of the magic loop surface 18 away from the magic hook surface 17.

[0027] Specifically, the buffer pad 19 adhered by magic tape is adopted, which is convenient for disassembling, installing and replacing the buffer pad 19, and the maintenance is more convenient and labor-saving. It has strong practicability and is worthy of popularization.

[0028] In this embodiment: A control panel 16 is fixedly installed on one side surface of the lifting seat 5, and the control panel 16 is electrically connected to the electric cylinder 4, the exposure lamp 7 and the drive motor 14 through wires.

[0029] Specifically, it is a common circuit connection structure, which is common knowledge and well-known to those skilled in the art and will not be elaborated here.

[0030] In this embodiment: A spring 8 is sleeved outside the column 2 between the lifting seat 5 and the base 1, and the number of the springs 8 is the same as that of the columns 2.

[0031] Specifically, it plays an effect of protecting the circuit board and improving the exposure effect.

[0032] In this embodiment: There are multiple exposure lamps 7, and the multiple exposure lamps 7 are arranged in an array in the working groove 6.

[0033] Specifically, it improves the exposure effect and efficiency.

[0034] In this embodiment: The length of the threaded rod 11 is the same as the length of the carrier frame 9.

[0035] Specifically, the carrying frame 9 can be translated under the drive of the drive motor 14, so that the circuit boards on the first exposure station 20 and the second exposure station 21 can be alternately exposed.

[0036] In this embodiment: The control panel 16 control circuit can be realized by simple programming of those skilled in the art, which belongs to the common knowledge in the art. Only its use is involved without modification, so the control method and circuit connection will not be described in detail.

[0037] Working principle: During operation, a movable carrying frame 9 is adopted. The first exposure station 20 and the second exposure station 21 are arranged on the carrying frame 9 and are alternately used for exposure. During the exposure process of the circuit board on the first exposure station 20, the circuit board on the second exposure station 21 can be normally picked up and placed. Similarly, during the exposure process of the circuit board on the second exposure station 21, the circuit board on the first exposure station 20 can be normally picked up and placed, so that there is no need to stop the machine when picking up and placing the circuit board, greatly improving the exposure efficiency of the circuit board. It has strong practicability and is worthy of popularization. After the circuit board is pushed between the lifting seat 5 and the base 1, the electric cylinder 4 pushes the lifting seat 5 downward, and the exposure lamps 7 in the two working grooves 6 can be used to expose both sides of the circuit board. Secondly, a buffer pad 19 bonded by magic tape is adopted, which is convenient for disassembling, installing and replacing the buffer pad 19, and the maintenance is more convenient, labor-saving and has strong practicability and is worthy of popularization.

[0038] It should be understood that the above specific embodiments of the present invention are only used for exemplary illustration or explanation of the principle of the present invention, and do not constitute a limitation to the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made without departing from the spirit and scope of the present invention shall be included within the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modification examples falling within the scope and boundary of the appended claims, or equivalent forms of such scope and boundary.

Claims

1. A circuit board exposure device, comprising a base (1), characterized in that, At multiple corners on the top surface of the base (1), columns (2) are fixedly connected, and at the tops of the multiple columns (2), a top plate (3) is welded. On the top surface of the top plate (3), an electric cylinder (4) is fixedly installed, and at the telescopic end of the electric cylinder (4), a lifting seat (5) is installed. Moreover, the lifting seat (5) is slidably connected to the multiple columns (2) through limiting holes formed on its surface. Working grooves (6) are formed on the opposite surfaces of the lifting seat (5) and the base (1), and exposure lamps (7) are detachably installed in the two working grooves (6). A carrying frame (9) is arranged between the base (1) and the lifting seat (5), and a first exposure station (20) and a second exposure station (21) are arranged on the carrying frame (9). The bottom surface of the carrying frame (9) is fixedly connected with a threaded rod (11) through a bracket (10). On one side of the base (1), a threaded block (12) is installed through a bearing seat, and a toothed ring (13) is fixedly connected to the outer wall of the threaded block (12). The threaded block (12) is used in cooperation with the threaded rod (11). A driving motor (14) is fixedly installed on the outer wall of the base (1), and a gear (15) is installed at the output end of the driving motor (14). Moreover, the gear (15) meshes with the toothed ring (13).

2. The PCB exposure device according to claim 1, characterized in that, Hook surfaces of magic tapes (17) are bonded to the inner bottom surfaces of the first exposure station (20) and the second exposure station (21), and loop surfaces of magic tapes (18) are bonded to the hook surfaces of magic tapes (17). Moreover, a buffer pad (19) is bonded to the surface of the loop surface of the magic tape (18) away from the hook surface of the magic tape (17).

3. The PCB exposure device according to claim 1, wherein, A control panel (16) is fixedly installed on one side surface of the lifting seat (5), and the control panel (16) is electrically connected to the electric cylinder (4), the exposure lamp (7), and the driving motor (14) through wires.

4. A circuit board exposure device according to claim 1, characterized in that, A spring (8) is sleeved outside the column (2) between the lifting seat (5) and the base (1), and the number of the springs (8) is the same as that of the columns (2).

5. A circuit board exposure device according to claim 1, characterized in that, There are multiple exposure lamps (7), and the multiple exposure lamps (7) are distributed in an array in the working groove (6).

6. The PCB exposure device according to claim 1, wherein, The length of the threaded rod (11) is the same as the length of the carrying frame (9).

Images