CN110695551A

CN110695551A - Laser processing device for PCB

Info

Publication number: CN110695551A
Application number: CN201911059670.XA
Authority: CN
Inventors: 吴华军; 孙成洲; 蔡志浩; 刘志强
Original assignee: Jiangxi Zhihao Electronic Technology Co Ltd
Current assignee: Jiangxi Zhihao Electronic Technology Co Ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-01-17

Abstract

The invention relates to a laser processing device for a PCB (printed circuit board), which comprises a base, a laser generator and a laser gun, wherein the base is in threaded connection with a screw, one end of the screw is rotatably connected with a clamping plate, a supporting seat is arranged above the base, a first speed reducing motor is arranged inside the supporting seat, a connecting rod is rotatably connected below the first speed reducing motor, a first driving device is arranged at the lower end of the connecting rod, the first driving device is rotatably connected with a first oscillating bar, a second driving device is arranged at the lower end of the first oscillating bar, the second driving device is rotatably connected with a second oscillating bar, the laser generator and the laser gun are arranged at the lower end of the second oscillating bar, the first speed reducing motor, the second speed reducing motor, the first driving device, the second driving device, the laser generator and the laser gun are in electric wire connection with a control unit, and the position heights of the laser generator and the laser gun can be adjusted by arranging the first speed reducing motor, the, and realizing accurate positioning and punching.

Description

Laser processing device for PCB

Technical Field

The invention relates to a laser processing device for a PCB (printed circuit board), and belongs to the technical field of processing and punching equipment for the PCB.

Background

The PCB is a printed circuit board, which is a provider of electrical connections for electronic components. The development of the method has more than 100 years of history, and the main design part is layout design. The circuit board has the main advantages of greatly reducing errors of wiring and assembly, and improving the automation level and the production labor rate. The circuit board can be divided into a single-sided board, a double-sided board, a four-layer board, a six-layer board and other multi-layer circuit boards according to the number of the layers of the circuit board. Since the definition of the name of the pcb is somewhat disordered because the pcb is not a general terminal product, the motherboard for the pc is called a motherboard and cannot be directly called a pcb, and although the pcb exists in the motherboard, the two are different, so the evaluation of the industry cannot be said to be the same. The integrated circuit components are loaded on a circuit board, and the news media will be referred to as an IC board, but it is not substantially equivalent to a printed circuit board, which we generally say is a bare board, i.e., a circuit board without components.

The PCB needs to be punched and processed, and can be put into use after being matched with other processing procedures. The accurate positioning relates to the quality of punching, and present laser processing device for PCB still has not enough, and positioning accuracy is waited to further improve.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the existing defects, and provide a laser processing device for a PCB, which is convenient for clamping the PCB, utilizes a multi-degree-of-freedom transmission mechanism to control a laser gun to perform positioning punching work, and can effectively solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme:

the utility model provides a radium-shine processingequipment for PCB board, includes base, radium-shine generator, radium-shine rifle, base threaded connection has the screw rod, and screw rod one end rotates and is connected with splint, the supporting seat is installed to the base top, the inside first gear motor that is provided with of supporting seat, first gear motor below rotates and is connected with the connecting rod, first drive arrangement is installed to the connecting rod lower extreme, first drive arrangement rotates and is connected with first pendulum rod, second drive arrangement is installed to first pendulum rod lower extreme, second drive arrangement rotates and is connected with the second pendulum rod, mutually supporting radium-shine generator and radium-shine rifle are installed to second pendulum rod lower extreme, and first gear motor, second gear motor, first drive arrangement, second drive arrangement, radium-shine generator, radium-shine rifle and the control unit connection of electric lines.

Further, the screw rod and the clamping plate are provided with two groups, the base is processed with a sliding groove, and the surface of the clamping plate is in smooth contact with the surface of the sliding groove.

Further, the base processing has the guide way, the guide block is installed to the splint tip, and the surface point contact of guide block and guide way, splint processing has the recess that is used for installing the screw tip.

Further, the base top fixedly connected with at least two pillars, the lower surface at the supporting seat is installed to the upper end of pillar, and the pillar is located the tip of base and supporting seat.

Further, the first driving device and the second driving device are speed reduction motors.

Further, the supporting seat is provided with a window for guiding the movement of the connecting rod.

Further, the first speed reduction motor is embedded and installed in the sliding seat, the connecting rod is in clearance fit with the sliding seat, the sliding seat is located in an inner cavity of the supporting seat, the sliding seat is provided with a plurality of balls, the balls are located below the first speed reduction motor and the second speed reduction motor, the balls distributed longitudinally are in point contact with the side surface of the tooth-shaped plate, the balls distributed transversely are in point contact with the inner surface of the supporting seat, the side surface of the sliding seat is in smooth contact with the side surface of the tooth-shaped plate, and the bottom surface of the sliding seat is in smooth contact with the inner surface of the supporting seat.

Further, two second gear motors are installed on the sliding seat, the first gear motor is located between the two second gear motors, a gear is rotatably connected to one side of each second gear motor, the gear is meshed with a toothed plate below the gear, and the toothed plate is connected with the inner surface of the supporting seat.

Furthermore, one end of the screw rod outside the base is wrapped with an elastic layer.

The invention has the beneficial effects that: the laser processing device for the PCB is convenient to clamp the PCB, and the multi-degree-of-freedom transmission mechanism is used for controlling the laser gun to perform positioning punching.

(1) The first driving device controls the first swing rod to swing, the second driving device controls the second swing rod to swing, the first speed reducing motor controls the connecting rod to rotate, the first speed reducing motor, the first driving device and the second driving device operate, the connecting rod, the first swing rod and the second swing rod are made to move in a combined mode to become the position adjusting movement of the laser generator and the laser gun, the second swing rod is guaranteed to be perpendicular to the plane where the device is located, the position adjusting work of the laser generator and the laser gun is achieved, accurate positioning is achieved, and the control unit is reused to enable the laser generator and the laser gun to be matched to complete punching work.

(2) Through setting up the sliding seat, utilize the control unit to make second gear motor operation work, drive the gear and carry out rotary motion, the gear advances on the dentate plate and drives the sliding seat and move under the spacing of two dentate plates to realize first gear motor, first drive arrangement and second drive arrangement's position change, make the position adjustment work of radium-shine generator and radium-shine rifle accomplish better.

(3) Through being provided with two splint, put into the spout of base with the PCB board, manual rotation under the support of base, the rotary motion of screw rod is behind the conversion effect of base, and the rotary motion of screw rod becomes the horizontal linear motion of splint, controls two screw rods and rotates under the base supports, drives two splint and is close to each other to make two splint clip the PCB board, wait for subsequent process of punching.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is a longitudinal sectional view of a laser processing apparatus for PCB board according to the present invention.

Fig. 2 is a perspective view of a clamping plate and a guide block of a laser processing device for PCB boards according to the present invention.

Fig. 3 is a transverse sectional view of a support base in a laser processing apparatus for PCB according to the present invention.

Fig. 4 is a schematic diagram of electrical connection of a laser processing apparatus for PCB according to the present invention.

Reference numbers in the figures: 1. a base; 2. a chute; 3. a guide groove; 4. a splint; 5. a groove; 6. a guide block; 7. a screw; 8. a pillar; 9. a supporting seat; 10. a window; 11. a sliding seat; 12. a first reduction motor; 13. a connecting rod; 14. a ball bearing; 15. a second reduction motor; 16. a gear; 17. a toothed plate; 18. a first driving device; 19. a first swing link; 20. a second driving device; 21. a second swing link; 22. a laser generator; 23. a laser gun; 24. a control unit.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Embodiment 1, as shown in fig. 1, 3 and 4, a laser processing device for PCB comprises a base 1, a laser generator 22, and a laser gun 23, wherein the base 1 is connected with a screw 7 by a thread, the base 1 supports the screw 7 to perform a rotational motion, one end of the screw 7 is rotatably connected with a clamp plate 4, the screw 7 changes the rotational motion into a linear motion under the conversion action of the base 1 to drive the clamp plate 4 to perform a translation motion, a support seat 9 is installed above the base 1, the support seat 9 works under the support of the base 1, a first reduction motor 12 is installed inside the support seat 9, the support seat 9 supports the first reduction motor 12 to work, a connecting rod 13 is rotatably connected below the first reduction motor 12, the first reduction motor 12 drives the connecting rod 13 to move, the connecting rod 13 does not move when the first reduction motor 12 is in a non-working state, a first driving device 18 is installed at the lower end of the connecting rod, the connecting rod 13 supports the first driving device 18 to work, the first driving device 18 is rotatably connected with a first swing rod 19, the first driving device 18 is electrically connected to rotate to enable the first swing rod 19 to swing, the lower end of the first swing rod 19 is provided with a second driving device 20, the first swing rod 19 moves to drive the second driving device 20 to move, the second driving device 20 is rotatably connected with a second swing rod 21, the second driving device 20 operates to drive the second swing rod 21 to swing, the lower end of the second swing rod 21 is provided with a laser generator 22 and a laser gun 23 which are matched with each other, the second swing rod 21 supports the laser generator 22 and the laser gun 23 to work, the first speed reducing motor 12, the second speed reducing motor 15, the first driving device 18, the second driving device 19, the laser generator 22 and the laser gun 23 are in electric wire connection with the control unit 24, and people use the control unit 24 to control the first speed reducing motor 12, the second speed reducing motor 15, the second speed, The first driving device 18, the second driving device 19, the laser generator 22, and the laser gun 23 operate.

Embodiment 2, referring to fig. 1 and 2, on the basis of embodiment 1, two sets of screws 7 and a clamp plate 4 are provided, which facilitate control of the fixing position of a PCB, a sliding groove 2 is processed on a base 1, the surface of the clamp plate 4 is in smooth contact with the surface of the sliding groove 2, so as to reduce the wear of the clamp plate 4, and at the same time, the moving direction of the clamp plate 4 is limited, so that the clamp plate 4 can better keep linear motion, a guide groove 3 is processed on the base 1, a guide block 6 is installed at the end of the clamp plate 4, the moving direction of the clamp plate 4 is limited by the guide block 6, and the guide block 6 is in point contact with the surface of the guide groove 3, the moving resistance of the guide block 6 is smaller, the guide block 6 enables the clamp plate 4 to more stably move linearly, the clamp plate 4 is processed with a groove 5 for installing the end of the screw 7, at least two supports 8 are fixedly connected above, and the supporting column 8 is positioned at the end parts of the base 1 and the supporting seat 9, and the first driving device 18 and the second driving device 20 are speed reducing motors.

Embodiment 3, referring to fig. 1 and 3, on the basis of embodiment 1, a window 10 for guiding the movement of a connecting rod 13 is formed in a supporting seat 9, a portion of the connecting rod 13 moves in the window 10, a first reduction motor 12 is mounted in a sliding seat 11 in an embedded manner, the first reduction motor 12 moves along with the sliding seat 11, the connecting rod 13 is in clearance fit with the sliding seat 11, the sliding seat 11 is located in an inner cavity of the supporting seat 9, the sliding seat 11 moves in the supporting seat 9, the sliding seat 11 is provided with a plurality of balls 14, the balls 14 are located below the first reduction motor 12 and a second reduction motor 15, the longitudinally distributed balls 14 are in point contact with the side surfaces of a toothed plate 17, the movement resistance of the sliding seat 11 is reduced, and at the same time, two toothed plates 17 are ensured to limit the movement direction of the sliding seat 11, the transversely distributed balls 14 are in point contact with the inner surface of the supporting seat 9, the movement resistance from the supporting seat 9 when the sliding seat 11 moves is reduced, the side surface of the sliding seat 11 is in smooth contact with the side surface of the toothed plate 17, the mutual abrasion between the sliding seat 11 and the toothed plate 17 is reduced, the bottom surface of the sliding seat 11 is in smooth contact with the inner surface of the supporting seat 9, the friction damage between the sliding seat 11 and the supporting seat 9 is reduced, the sliding seat 11 is provided with two second speed reducing motors 15, the first speed reducing motor 12 is positioned between the two second speed reducing motors 15, one side of each second speed reducing motor 15 is rotatably connected with a gear 16, the second speed reducing motor 15 is electrically connected to drive the gear 16 to rotate, the gear 16 is meshed with the toothed plate 17 below, because the second speed reducing motors 15 are not fixed, the gear 16 moves on the toothed plate 17, the toothed plate 17 is connected with the inner surface of the supporting seat 9, the toothed plate 17 cannot move, and the acting force between the gear, the gear 16 can make a compound motion of linear motion and rotary motion, and one end of the screw 7 outside the base 1 is wrapped by the elastic layer, so that the screw 7 can be conveniently controlled by hands, and the comfort is improved.

The working principle of the invention is as follows: the device is arranged on a stable working plane, a PCB is placed in a chute 2 of a base 1, the screw 7 is rotated manually under the conversion action of the base 1, the rotation motion of the screw 7 is changed into the horizontal linear motion of the clamping plates 4, so that the two clamping plates 4 clamp the PCB, a control unit 24 is utilized to control a first speed reducing motor 15, a first driving device 18 and a second driving device 20 to be in electric connection operation, the screw 7 works as the speed reducing motor of the first driving device 18 to drive the first swing rod 19 to swing, the speed reducing motor of the second driving device 20 drives the second swing rod 21 to swing, the first speed reducing motor 15 enables a connecting rod 13 to rotate, the effects generated by the operation of the first speed reducing motor 15, the first driving device 18 and the second driving device 20 are comprehensive, the position height of a laser generator 22 and a laser gun 23 can be changed, and the speed reducing motor of the second driving device 20 can be ensured, the second swing rod 21 is driven to move, the second swing rod 21 is guaranteed to be perpendicular to the plane where the device is located, punching accuracy of the laser gun 23 is guaranteed, the second speed reducing motor 15 is connected with electricity to operate and drive the gear 16 to rotate, the gear 16 advances on the toothed plates 17 to drive the sliding seat 11 to move under limiting of the two toothed plates 17, the positions of the laser generator 22 and the laser gun 23 are further adjusted, accurate positioning is achieved, the control unit 24 is used for connecting the laser generator 22 with electricity, and the laser gun 23 punches the PCB.

The above embodiments are preferred embodiments of the present invention, and those skilled in the art can make variations and modifications to the above embodiments, therefore, the present invention is not limited to the above embodiments, and any obvious improvements, substitutions or modifications made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a laser beam machining device for PCB board, includes base (1), laser generator (22), laser gun (23), its characterized in that: base (1) threaded connection has screw rod (7), and screw rod (7) one end rotates and is connected with splint (4), supporting seat (9) are installed to base (1) top, inside gear motor (12) that is provided with of supporting seat (9), first gear motor (12) below rotates and is connected with connecting rod (13), first drive arrangement (18) are installed to connecting rod (13) lower extreme, first drive arrangement (18) rotate and are connected with first pendulum rod (19), second drive arrangement (20) are installed to first pendulum rod (19) lower extreme, second drive arrangement (20) rotate and are connected with second pendulum rod (21), radium-shine generator (22) and radium-shine rifle (23) of mutually supporting are installed to second pendulum rod (21) lower extreme, and first gear motor (12), second gear motor (15), first drive arrangement (18), The second driving device (19), the laser generator (22) and the laser gun (23) are connected with the control unit (24) through electric wires.

2. The laser processing device for the PCB of claim 1, wherein: screw rod (7) and splint (4) are provided with two sets ofly, base (1) processing has spout (2), the surface of splint (4) and the smooth contact in surface of spout (2).

3. The laser processing device for the PCB of claim 1, wherein: base (1) processing has guide way (3), guide block (6) are installed to splint (4) tip, and guide block (6) and the surperficial point contact of guide way (3), splint (4) processing has recess (5) that are used for installing screw rod (7) tip.

4. The laser processing device for the PCB of claim 1, wherein: base (1) top fixedly connected with two at least pillars (8), the lower surface at supporting seat (9) is installed to the upper end of pillar (8), and pillar (8) are located the tip of base (1) and supporting seat (9).

5. The laser processing device for the PCB of claim 1, wherein: the first driving device (18) and the second driving device (20) are speed reducing motors.

6. The laser processing device for the PCB of claim 1, wherein: the supporting seat (9) is provided with a window (10) for guiding the movement of the connecting rod (13).

7. The laser processing device for the PCB of claim 1, wherein: first gear motor (12) inlay and install in sliding seat (11), connecting rod (13) and sliding seat (11) clearance fit, sliding seat (11) are arranged in the inner chamber of supporting seat (9), sliding seat (11) are provided with a plurality of balls (14), ball (14) are arranged in first gear motor (12) and second gear motor (15) below, and the lateral surface point contact of ball (14) and the dentate plate (17) of longitudinal distribution, and the internal surface point contact of ball (14) and supporting seat (9) of transverse distribution, the side of sliding seat (11) and the lateral surface smooth contact of dentate plate (17), the internal surface smooth contact of the bottom surface and supporting seat (9) of sliding seat (11).

8. The laser processing device for the PCB of claim 1 or 7, wherein: two second gear motors (15) are installed in sliding seat (11), and first gear motor (12) are located between two second gear motors (15), and second gear motor (15) one side rotates and is connected with gear (16), gear (16) and dentate plate (17) meshing of below, and dentate plate (17) and the internal surface of supporting seat (9) are connected.

9. The laser processing device for the PCB of claim 1, wherein: one end of the screw rod (7) outside the base (1) is wrapped with an elastic layer.