Targeting device for circuit board processing

Abstract

The utility model discloses a targeting device for circuit board processing, which relates to the technical field of circuit board processing, and comprises a workbench, a targeting mechanism and a clamping mechanism, a support frame is arranged on the surface of the workbench, chutes are symmetrically arranged on the inner wall of the support frame, a first driving motor is arranged in the chutes, and an output shaft of the first driving motor is connected with a threaded rod; a movable plate is arranged on the threaded rod, a first telescopic rod is arranged in the movable plate and connected with a movable block, the movable block is connected with a target shooting mechanism driven by a motor, a groove is formed in the surface of the workbench, and a clamping mechanism is arranged on the groove. The servo motor works to drive the moving frames at the two ends of the two-way lead screw to move and the electric push rod works, so that the fixing plate fixes a circuit board, the targeting precision is guaranteed, the drill bit is 3.175 mm-12 F, the rotating speed of the second driving motor is set to be 30000 rpm, the service life of the drill bit is designed to be 500 holes, existing equipment is improved and optimized, parameters are optimized, and the drilling efficiency is improved. The problem of abnormal quality of the target hole is solved, and the product yield is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board processing, in particular to a target shooting device for circuit board processing. Background Art

[0002] In recent years, with the demand of consumers for multifunctional electronic products, circuit boards are developing towards being lighter, thinner and smaller. In order to arrange numerous functional modules in the effective space of electronic products, the number of circuit board layers is getting higher and higher, which is called a multi-layer circuit board. With the increase in the number of layers, the inter-layer alignment during the inner layer production process is required to be more precise, and the positioning and alignment of the multiple stacks must be higher during subsequent mechanical processing. The industry mainly punches out positioning holes in each circuit board for multi-stack processing, which are called target holes. The multiple circuit boards are fixed into the target holes with rivets and then mechanically processed at the same time, so as to improve production efficiency and reduce production costs.

[0003] However, at present, the production of target holes in circuit boards has abnormal quality problems such as raised edge of target hole wall and broken copper skin, which causes scratches on board surface and misalignment between sheets in the subsequent machining process, resulting in high product scrap rate. Utility Model Content

[0004] The utility model provides a targeting device for processing a circuit board, which solves the existing problems.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a targeting device for circuit board processing, comprising a workbench, a targeting mechanism and a clamping mechanism, a support frame is provided on the surface of the workbench, and a slide groove is symmetrically provided on the inner wall of the support frame, a first driving motor is provided in the slide groove, an output shaft of the first driving motor is connected to a threaded rod, a movable plate is provided on the threaded rod, a first telescopic rod is provided in the movable plate, the first telescopic rod is connected to a moving block, the moving block is connected to a targeting mechanism driven by a motor, a groove is provided on the surface of the workbench, and a clamping mechanism is provided on the groove.

[0006] Preferably, the mechanism includes a second telescopic rod, a connecting plate, a dust hood, a spring, a drill bit, a driven gear and a driving gear, the moving block is connected to the second telescopic rod, the second telescopic rod is connected to the connecting plate, the connecting plate and the dust hood are connected by a spring, a drill bit passes through the connecting plate, a driven gear is provided at one end of the drill bit, a second drive motor is provided on the connecting plate, a driving gear is provided on the output shaft of the second drive motor, and the driving gear and the driven gear are meshed with each other.

[0007] Preferably, the clamping mechanism includes a servo motor, a bidirectional screw, a movable frame, an electric push rod, a fixed plate and a protective pad. A servo motor is arranged in the groove, the output shaft of the servo motor is connected to the bidirectional screw, opposite threads are arranged at both ends of the bidirectional screw, an inverted L-shaped movable frame is arranged at both ends of the bidirectional screw, an electric push rod is arranged on the movable frame, one end of the electric push rod is connected to the fixed plate, a protective pad is arranged on the fixed plate, and the protective pad is made of rubber.

[0008] Preferably, the dust collecting hood is connected to a dust collecting pipe, the other end of the dust collecting pipe is connected to a vacuum cleaner, and the other end of the vacuum cleaner is connected to a dust collecting box.

[0009] Preferably, the drill bit is 3.175mm-12F, the rotation speed of the second drive motor is set to 30000rpm, and the service life of the drill bit is designed to be 500 holes.

[0010] Preferably, support columns are symmetrically provided at the four corners of the bottom of the workbench.

[0011] The beneficial effects of the utility model are as follows: the circuit board is placed on the workbench, the servo motor works to drive the moving frames at both ends of the bidirectional screw rod to move, the electric push rod works to make the fixing plate fix the circuit board, so that it is not easy to move during target shooting, thus ensuring the target shooting accuracy, the vacuum cleaner works to suck the dust into the dust collecting box, so that the dust is not easy to fly around during target shooting.

[0012] The drill bit used is 3.175mm-12F, the speed of the second drive motor is set to 30,000rpm, and the service life of the drill bit is designed to be 500 holes. The existing equipment is improved and optimized, and the parameters are optimized to solve the quality abnormality problem of the target hole and improve the product yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 for Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0015] Figure 3 It is a cross-sectional structural schematic diagram of the utility model.

[0016] Figure 4 for Figure 3 Schematic diagram of the enlarged structure at point B in the middle.

[0017] Figure 5 It is a schematic cross-sectional view of the utility model from another angle.

[0018] Numbers in the figure: 1. workbench; 2. support frame; 3. first drive motor; 4. threaded rod; 5. moving plate; 6. first telescopic rod; 7. moving block; 8. second telescopic rod; 9. connecting plate; 10. dust hood; 11. spring; 12. drill bit; 13. driven gear; 14. driving gear; 15. servo motor; 16. bidirectional screw rod; 17. moving frame; 18. electric push rod; 19. fixed plate; 20. protective pad; 21. dust collection pipe; 22. vacuum cleaner; 23. dust collection box; 24. support column; 25. second drive motor. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-Figure 5 As shown, a targeting device for circuit board processing includes a workbench 1, a targeting mechanism and a clamping mechanism. A support frame 2 is provided on the surface of the workbench 1. The inner wall of the support frame 2 is symmetrically provided with slide grooves. A first drive motor 3 is provided in the slide groove. The output shaft of the first drive motor 3 is connected to a threaded rod 4. A moving plate 5 is provided on the threaded rod 4. A first telescopic rod 6 is provided in the moving plate 5. The first telescopic rod 6 is connected to a moving block 7. The moving block 7 is connected to the targeting mechanism driven by the motor. A groove is provided on the surface of the workbench 1, and a clamping mechanism is provided on the groove.

[0021] The mechanism includes a second telescopic rod 8, a connecting plate 9, a dust cover 10, a spring 11, a drill bit 12, a driven gear 13 and a driving gear 14. The moving block 7 is connected to the second telescopic rod 8, the second telescopic rod 8 is connected to the connecting plate 9, the connecting plate 9 and the dust cover 10 are connected by a spring 11, a drill bit 12 runs through the connecting plate 9, a driven gear 13 is provided at one end of the drill bit 12, and a second driving motor 25 is provided on the connecting plate 9. The first driving motor 3 works to drive the moving plate 5 on the threaded rod 4 to move, and at the same time, the first telescopic rod 6 drives the moving block 7 to move to a suitable position, the second telescopic rod 8 extends, drives the dust cover 10 to contact the circuit board, the second telescopic rod 8 continues to extend, compresses the spring 11, and at the same time drives the drill bit 12 to descend, and the second driving motor 25 A driving gear 14 is provided on the output shaft, and the driving gear 14 is meshed with the driven gear 13. When the second driving motor 25 is working, the driving gear 14 drives the drill bit 12 on the driven gear 13 to work, and the circuit board is drilled for target practice; the dust collecting cover 10 is connected to the dust collecting pipe 21, and the other end of the dust collecting pipe 21 is connected to the dust collector 22, and the other end of the dust collector 22 is connected to the dust collecting box 23. When the dust collector 22 is working, the dust is sucked into the dust collecting box 23, so that the dust is not easy to fly around during target practice. The drill bit 12 is selected from 3.175mm-12F, and the speed of the second driving motor 25 is set to 30000rpm. The service life of the drill bit 12 is designed to be 500 holes. The parameters are optimized, and support columns 24 are symmetrically arranged at the four corners of the bottom of the workbench 1 to play a supporting role.

[0022] The clamping mechanism includes a servo motor 15, a bidirectional screw 16, a moving frame 17, an electric push rod 18, a fixed plate 19 and a protective pad 20. The servo motor 15 is arranged in the groove. The output shaft of the servo motor 15 is connected with the bidirectional screw 16. Opposite threads are arranged at both ends of the bidirectional screw 16. Inverted L-shaped moving frames 17 are arranged at both ends of the bidirectional screw 16. The moving frame 17 is provided with an electric push rod 18. One end of the electric push rod 18 is connected with the fixed plate 19. The fixed plate 19 is provided with a protective pad 20. The protective pad 20 is made of rubber. The circuit board is placed on the workbench 1, and the servo motor 15 works to drive the moving frames 17 at both ends of the bidirectional screw 16 to move. The electric push rod 18 works so that the fixed plate 19 fixes the circuit board, making it difficult to move during shooting, thereby ensuring the shooting accuracy.

[0023] Working principle: When the utility model device is used, the circuit board is first placed on the workbench 1, the servo motor 15 works, driving the moving frame 17 at both ends of the bidirectional screw rod 16 to move, and the electric push rod 18 works, so that the fixing plate 19 fixes the circuit board, making it difficult to move during shooting;

[0024] The first drive motor 3 works to drive the moving plate 5 on the threaded rod 4 to move, and at the same time the first telescopic rod 6 drives the moving block 7 to move to a suitable position, the second telescopic rod 8 extends, drives the dust cover 10 to contact the circuit board, the second telescopic rod 8 continues to extend, compresses the spring 11, and drives the drill bit 12 to descend, and a driving gear 14 is provided on the output shaft of the second drive motor 25, and the driving gear 14 and the driven gear 13 are meshed with each other. When the second drive motor 25 works, the driving gear 14 drives the drill bit 12 on the driven gear 13 to work, and the circuit board is drilled.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A target shooting device for circuit board processing, comprising a workbench (1), a target shooting mechanism and a clamping mechanism, characterized in that: The surface of the workbench (1) is provided with a support frame (2), the inner wall of the support frame (2) is symmetrically provided with a slide groove, a first drive motor (3) is provided in the slide groove, the output shaft of the first drive motor (3) is connected to a threaded rod (4), a moving plate (5) is provided on the threaded rod (4), a first telescopic rod (6) is provided in the moving plate (5), the first telescopic rod (6) is connected to a moving block (7), the moving block (7) is connected to a motor-driven shooting mechanism, a groove is provided on the surface of the workbench (1), and a clamping mechanism is provided on the groove.

2. A target shooting device for circuit board processing according to claim 1, characterized in that: The mechanism comprises a second telescopic rod (8), a connecting plate (9), a dust collecting cover (10), a spring (11), a drill bit (12), a driven gear (13) and a driving gear (14); the moving block (7) is connected to the second telescopic rod (8); the second telescopic rod (8) is connected to the connecting plate (9); the connecting plate (9) and the dust collecting cover (10) are connected via the spring (11); a drill bit (12) passes through the connecting plate (9); a driven gear (13) is provided at one end of the drill bit (12); a second driving motor (25) is provided on the connecting plate (9); a driving gear (14) is provided on the output shaft of the second driving motor (25); the driving gear (14) and the driven gear (13) are meshed with each other.

3. A target shooting device for circuit board processing according to claim 1, characterized in that: The clamping mechanism comprises a servo motor (15), a bidirectional screw rod (16), a moving frame (17), an electric push rod (18), a fixed plate (19) and a protective pad (20); the servo motor (15) is arranged in the groove; the output shaft of the servo motor (15) is connected to the bidirectional screw rod (16); opposite threads are arranged at both ends of the bidirectional screw rod (16); an inverted L-shaped moving frame (17) is arranged at both ends of the bidirectional screw rod (16); the electric push rod (18) is arranged on the moving frame (17); one end of the electric push rod (18) is connected to the fixed plate (19); the fixed plate (19) is provided with a protective pad (20); the protective pad (20) is made of rubber material.

4. A target shooting device for circuit board processing according to claim 2, characterized in that: The dust collecting hood (10) is connected to a dust collecting pipe (21), the other end of the dust collecting pipe (21) is connected to a dust collector (22), and the other end of the dust collector (22) is connected to a dust collecting box (23).

5. A target shooting device for circuit board processing according to claim 2, characterized in that: The drill bit (12) is selected to be 3.175mm-12F, the rotation speed of the second drive motor (25) is set to 30000rpm, and the service life of the drill bit (12) is designed to be 500 holes.

6. A target shooting device for circuit board processing according to claim 1, characterized in that: Support columns (24) are symmetrically arranged at the four corners of the bottom of the workbench (1).

Images