PCBA (Printed Circuit Board Assembly) laser board splitting machine

Abstract

The utility model discloses a PCBA laser board dividing machine, and relates to the technical field of PCB processing equipment, a workbench is provided with a conveying belt, a protective cover is arranged right above the conveying belt, a first electric push rod is vertically connected to the inner top wall of the protective cover, the output end of the first electric push rod is connected with a lifting seat, the bottom of the lifting seat is fixedly provided with a fixing seat, and the fixing seat is fixedly connected with the conveying belt. A laser cutting mechanism is fixedly arranged on the fixing seat, a first motor is further arranged on one side of the fixing seat, the output end of the first motor is connected with a first lead screw, the first lead screw is in threaded connection with a sliding seat, the sliding seat is slidably connected with the lifting seat, the shell is fixedly arranged at the bottom of the sliding seat, a groove is formed in the bottom of the shell, and a heating piece is arranged in the groove. And a tin foil layer is also arranged on the inner side wall of the groove. According to the utility model, the heating mechanism is arranged, so that the cutting area of the PCBA board can be preheated before the PCBA board is processed, the time required for heating a processed part to melt by laser is shortened, and the processing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board processing equipment, and more specifically to a PCBA laser board splitting machine. Background Art

[0002] PCBA is an important electronic component and a support for electronic components. In recent years, as electronic components have gradually developed towards miniaturization, micro-miniaturization and integration, higher requirements have been placed on PCBA, which is a support for electronic components. In the production process of electronic circuit boards, in order to make their size adapt to the size of electronic components, a laser depaneling machine is required to depanel the PCBA.

[0003] In the prior art, a Chinese utility model patent with the announcement number CN217045063U discloses a PCB laser splitter, which is provided with a deodorizing component, and the air is sucked into the connecting pipe from the collecting cover through the rotation of the fan, and the odor is sent to the filter box through the connecting pipe. The odor is filtered by the filter box and then discharged through the air outlet, and the odor generated during the laser splitting is filtered, which solves the problem that the existing PCB splitter is prone to produce irritating odors when splitting PCBs, which affects the health of operators and is not conducive to production. However, the above technical solution still has the following defects: Since it takes a certain amount of time for the laser beam to heat the workpiece to melt, in order to improve the processing efficiency, most of the methods used are to increase the power of the laser to increase the intensity of the beam, but increasing the intensity of the beam is likely to cause overheating of the PCB board, resulting in damage and deformation. Utility Model Content

[0004] In order to overcome the defects of the prior art, the utility model proposes a PCBA laser panel splitter, which can preheat the cutting area of ​​the PCBA board before processing by means of a heating mechanism, so as to shorten the time required for the laser to heat and melt the workpiece, thereby improving the processing efficiency.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides a PCBA laser panel splitting machine, comprising a workbench, a protective cover, a conveyor belt, an adjusting mechanism, a heating mechanism and a laser cutting mechanism. The workbench is provided with a conveyor belt, a protective cover is provided directly above the conveyor belt, an adjusting mechanism is provided in the protective cover, the adjusting mechanism comprises a first electric push rod, a lifting seat, a fixed seat, a first motor, a first screw rod and a sliding seat, the first electric push rod is vertically connected to the inner top wall of the protective cover, the output end of the first electric push rod is connected to the lifting seat, the bottom of the lifting seat is fixedly provided with a fixed seat, the fixed seat is fixedly provided with a laser cutting mechanism, a first motor is also provided on one side of the fixed seat, the output end of the first motor is connected to the first screw rod, the first screw rod is threadedly connected with the sliding seat, and the sliding seat is slidably connected to the lifting seat, the sliding seat is provided with a heating mechanism, the heating mechanism comprises a shell, a heating plate and a tin foil layer, the shell is fixedly provided at the bottom of the sliding seat, the bottom of the shell is provided with a groove, the heating plate is provided in the groove, and the inner side wall of the groove is also provided with a tin foil layer.

[0007] In a preferred technical solution of the utility model, receiving grooves are symmetrically arranged on both sides of the groove, rubber pads are slidably connected in the receiving grooves, and the rubber pads are connected to the top wall of the receiving grooves through a first spring.

[0008] In a preferred technical solution of the utility model, anti-skid patterns are arranged on the bottom of the rubber pad.

[0009] In a preferred technical solution of the utility model, the laser cutting mechanism includes a sliding guide rail, a second motor, a second screw rod, a slider and a laser. The sliding guide rail is horizontally arranged at the bottom of the fixed seat, and a slider is slidably connected to the sliding guide rail. The laser is fixed on the slider, the second motor is arranged at one end of the sliding guide rail, and the output end of the second motor is connected to the second screw rod, and the second screw rod is threadedly connected to the slider.

[0010] In a preferred technical solution of the utility model, a distance measuring sensor is also arranged on the sliding block.

[0011] In a preferred technical solution of the utility model, an exhaust gas treatment box is also provided on the top of the protective cover, and the exhaust gas treatment box is connected with the inner cavity of the protective cover through an air intake pipe, and an air pump is provided on the air intake pipe.

[0012] The beneficial effects of the utility model are:

[0013] The utility model proposes a PCBA laser panel splitter, which can preheat the cutting area of ​​the PCBA board before processing through the heating mechanism, so as to shorten the time required for the laser to heat the workpiece to melt, thereby improving the processing efficiency, and since there is no need to increase the power of the laser, the edge of the PCBA cutting part will not be deformed due to excessive temperature. The tin foil layer arranged in the groove can reflect the heat radiated in four directions to the outside of the shell, so that the heat is concentrated in the groove, which improves the preheating speed and reduces energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a PCBA laser panel splitter provided by a specific implementation method of the utility model;

[0015] Figure 2 yes Figure 1 Sectional view in the AA direction;

[0016] Figure 3 yes Figure 1 Schematic diagram of the structure of the heating mechanism.

[0017] In the figure:

[0018] 1. Workbench; 2. Protective cover; 3. Conveyor belt; 4. Adjusting mechanism; 41. First electric push rod; 42. Lifting seat; 43. Fixed seat; 44. First motor; 45. First screw rod; 46. Sliding seat; 5. Heating mechanism; 51. Shell; 52. Groove; 53. Heating plate; 54. Tin foil layer; 55. Receiving groove; 56. First spring; 57. Rubber pad; 6. Laser cutting mechanism; 61. Sliding guide rail; 62. Second motor; 63. Second screw rod; 64. Sliding block; 65. Laser; 66. Distance sensor; 7. Exhaust gas treatment box; 71. Intake pipe; 72. Air pump. DETAILED DESCRIPTION

[0019] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0020] like Figure 1-3As shown, a PCBA laser panel splitter is provided in the embodiment, including a workbench 1, a protective cover 2, a conveyor belt 3, an adjustment mechanism 4, a heating mechanism 5 and a laser cutting mechanism 6. The conveyor belt 3 is arranged on the workbench 1, the protective cover 2 is arranged directly above the conveyor belt 3, and the adjustment mechanism 4 is arranged in the protective cover 2. The adjustment mechanism 4 includes a first electric push rod 41, a lifting seat 42, a fixed seat 43, a first motor 44, a first screw rod 45 and a sliding seat 46. The first electric push rod 41 is vertically connected to the inner top wall of the protective cover 2, the output end of the first electric push rod 41 is connected to the lifting seat 42, and the bottom of the lifting seat 42 A fixed seat 43 is fixedly provided, and a laser cutting mechanism 6 is fixedly provided on the fixed seat 43. A first motor 44 is also provided on one side of the fixed seat 43. A first screw rod 45 is connected to the output end of the first motor 44. A sliding seat 46 is threadedly connected to the first screw rod 45, and the sliding seat 46 is slidably connected to the lifting seat 42. A heating mechanism 5 is provided on the sliding seat 46. The heating mechanism 5 includes a shell 51, a heating plate 53 and a tin foil layer 54. The shell 51 is fixedly provided at the bottom of the sliding seat 46. A groove 52 is provided at the bottom of the shell 51. A heating plate 53 is provided in the groove 52, and a tin foil layer 54 is also provided on the inner wall of the groove 52. In this embodiment, four legs are provided at the bottom of the workbench 1, and the legs are fixed to the ground by fixing bolts. The protective cover 2 is a rectangular shell. An inlet and an outlet are provided on both sides of the protective cover 2, and one end of the conveyor belt 3 passes through the inlet and the outlet, so as to realize automatic feeding and discharging and improve processing efficiency. The setting adjustment mechanism 4 is used to control the lifting and lowering of the heating mechanism 5 and the laser cutting mechanism 6. When working, the heating mechanism 5 and the laser cutting mechanism 6 are controlled to descend synchronously, the PCBA board is pressed and fixed, and laser cutting is performed to achieve board separation and ensure the processing quality. Among them, the first electric push rod 41 is a retractable structure, which is used to control the up and down movement of the lifting seat 42 to achieve synchronous adjustment of the height of the heating mechanism 5 and the laser cutting mechanism 6; the fixed seat 43 is set at one end of the bottom of the lifting seat 42, and the sliding seat 46 is set on the left side of the fixed seat 43. The first motor 44 is used to drive the first screw rod 45 to rotate, so as to make the sliding seat 46 move left and right to adjust the distance between the heating mechanism 5 and the laser cutting mechanism 6 to adapt to the processing of PCBA boards of different sizes. The heating mechanism 5 can preheat the part to be cut in advance to shorten the time for the laser to heat the PCBA board to melt, which helps to improve the cutting efficiency. The shell 51 is a rectangular structure, and when the lifting seat 42 descends, it can drive the bottom end surface of the shell 51 to press against the PCBA board to fix the PCBA board and prevent shaking during processing, which affects the cutting quality; the heating plate 53 can generate heat and contact the surface of the PCBA board to achieve rapid heating; the tin foil layer 54 can reflect the heat radiated in four directions to the outside of the shell 51, so that the heat is concentrated in the groove 52, which increases the preheating speed and reduces energy consumption. The laser cutting mechanism 6 can cut the PCBA board according to processing needs.In addition, a main control box is also provided on the workbench 1, and the conveyor belt 3, the adjustment mechanism 4, the heating mechanism 5 and the laser cutting mechanism 6 are all electrically connected to the main control box, thereby controlling the coordinated work between the various components.

[0021] Specifically, the groove 52 is symmetrically provided with receiving grooves 55 on both sides, and a rubber pad 57 is slidably connected in the receiving groove 55, and the rubber pad 57 is connected to the top wall of the receiving groove 55 through a first spring 56. In this embodiment, the rubber pad 57 is made of rubber material, has excellent wear resistance and corrosion resistance, and has a certain elasticity. When the rubber pad 57 abuts against the PCBA board, it can squeeze the first spring 56, so that the rubber pad 57 is squeezed and stored in the receiving groove 55 to protect the PCBA board from being crushed. In addition, when the rubber pad 57 abuts against the PCBA board, the bottom end of the tin foil layer 54 can be pressed against the PCBA board to achieve the closure of the groove 52 and reduce the dissipation of heat.

[0022] Specifically, anti-skid patterns are provided at the bottom of the rubber pad 57. In this embodiment, the provided anti-skid patterns can increase the friction between the rubber pad 57 and the surface of the PCBA board to prevent the PCBA board from shaking during processing.

[0023] Specifically, the laser cutting mechanism 6 includes a sliding guide rail 61, a second motor 62, a second screw rod 63, a slider 64 and a laser 65. The sliding guide rail 61 is horizontally arranged at the bottom of the fixed seat 43, and the slider 64 is slidably connected to the sliding guide rail 61. The laser 65 is fixed on the slider 64. The second motor 62 is arranged at one end of the sliding guide rail 61, and the output end of the second motor 62 is connected to the second screw rod 63, and the second screw rod 63 is threadedly connected to the slider 64. In this embodiment, the sliding guide rail 61 is arranged vertically with the first screw rod 45, and the slider 64 can slide back and forth on the sliding guide rail 61, thereby driving the laser 65 to slide synchronously to achieve cutting of the PCBA board. The second screw rod 63 is arranged along the length direction of the sliding guide rail 61, and the second motor 62 is arranged to drive the second screw rod 63 to rotate, thereby driving the slider 64 to move. The laser 65 is arranged to generate a high-energy laser beam and melt the PCBA board in the irradiated area to achieve the cutting effect.

[0024] Specifically, a distance sensor 66 is also provided on the slider 64. In this embodiment, the distance sensor 66 is used to detect the distance between the light outlet of the laser 65 and the contact surface of the laser beam and the PCBA board, so as to facilitate the adjustment of the focus position of the laser 65.

[0025] Specifically, a waste gas treatment box 7 is also provided on the top of the protective cover 2. The waste gas treatment box 7 is connected to the inner cavity of the protective cover 2 through an air inlet pipe 71, and an air pump 72 is provided on the air inlet pipe 71. In this embodiment, the air pump 72 can suck the harmful fumes generated by laser cutting into the waste gas treatment box 7 for purification to prevent environmental pollution. A honeycomb graphite block is provided in the waste gas treatment box 7, which can fully absorb harmful gases in the flue gas.

[0026] Working principle: Before use, first place the PCBA board to be processed on the conveyor belt 3, and then start the first motor 44, the first motor 44 drives the first screw rod 45 to rotate, and the rotation of the first screw rod 45 drives the sliding seat 46 to move left and right, so as to adjust the distance between the heating plate 53 and the laser 65 according to the product size.

[0027] When in use, the conveyor belt 3 is started to convey the PCBA board into the protective cover 2. When the PCBA board moves to the heating station, the conveyor belt 3 stops working and the first electric push rod 41 is started. The first electric push rod 41 drives the lifting seat 42 to descend. The lifting seat 42 descends and drives the housing 51 to descend synchronously, thereby pressing and fixing the PCBA board. At this time, the heating plate 53 is started to heat the part to be cut. After the heating is completed, the first electric push rod 41 contracts to lift the lifting seat 42 so that the housing 51 is out of contact with the PCBA board, and the conveyor belt 3 is started to move the PCBA board to the cutting station. Then the first electric push rod 41 is controlled to extend again to drive the lifting seat 42 to move downward, so that the laser 65 is close to the surface of the PCBA board. At this time, the second motor 62 drives the second screw rod 63 to rotate, and the second screw rod 63 rotates to drive the slider 64 to move, so that the laser 65 moves to cut the PCBA board, thereby completing the processing of the PCBA board. In addition, during the cutting process, the air pump 72 can suck harmful fumes from the processing process into the waste gas treatment box 7 for purification to avoid environmental pollution.

[0028] The present invention is described by preferred embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. The present invention is not limited to the specific embodiments disclosed herein, and other embodiments falling within the claims of this application are within the scope of protection of the present invention.

Claims

1. A PCBA laser panel splitter, characterized by: The invention comprises a workbench (1), a protective cover (2), a conveyor belt (3), an adjustment mechanism (4), a heating mechanism (5) and a laser cutting mechanism (6); the workbench (1) is provided with a conveyor belt (3); a protective cover (2) is provided directly above the conveyor belt (3); an adjustment mechanism (4) is provided inside the protective cover (2); the adjustment mechanism (4) comprises a first electric push rod (41), a lifting seat (42), a fixed seat (43), a first motor (44), a first screw rod (45) and a sliding seat (46); the first electric push rod (41) is vertically connected to the inner top wall of the protective cover (2); the output end of the first electric push rod (41) is connected to the lifting seat (42); the bottom of the lifting seat (42) is fixedly provided with a fixed seat (43); A laser cutting mechanism (6) is fixedly arranged on the fixed seat (43); a first motor (44) is also arranged on one side of the fixed seat (43); an output end of the first motor (44) is connected to a first screw rod (45); a sliding seat (46) is threadedly connected to the first screw rod (45); and the sliding seat (46) is slidably connected to the lifting seat (42); a heating mechanism (5) is arranged on the sliding seat (46); the heating mechanism (5) comprises a shell (51), a heating plate (53) and a tin foil layer (54); the shell (51) is fixedly arranged on the bottom of the sliding seat (46); a groove (52) is opened at the bottom of the shell (51); a heating plate (53) is arranged in the groove (52); and a tin foil layer (54) is also arranged on the inner side wall of the groove (52).

2. A PCBA laser panel splitter according to claim 1, characterized in that: Accommodation grooves (55) are symmetrically arranged on both sides of the groove (52), a rubber pad (57) is slidably connected in the accommodation groove (55), and the rubber pad (57) is connected to the top wall of the accommodation groove (55) through a first spring (56).

3. A PCBA laser panel splitter according to claim 2, characterized in that: The bottom of the rubber pad (57) is provided with anti-skid patterns.

4. The PCBA laser panel splitter according to claim 1, characterized in that: The laser cutting mechanism (6) comprises a sliding guide rail (61), a second motor (62), a second screw rod (63), a slider (64) and a laser (65); the sliding guide rail (61) is horizontally arranged at the bottom of the fixed seat (43); the slider (64) is slidably connected to the sliding guide rail (61); the laser (65) is fixed on the slider (64); the second motor (62) is arranged at one end of the sliding guide rail (61); the output end of the second motor (62) is connected to the second screw rod (63); and the second screw rod (63) is threadedly connected to the slider (64).

5. The PCBA laser panel splitter according to claim 4, characterized in that: The slider (64) is also provided with a distance measuring sensor (66).

6. The PCBA laser panel splitter according to claim 1, characterized in that: An exhaust gas treatment box (7) is also provided on the top of the protective cover (2). The exhaust gas treatment box (7) is connected to the inner cavity of the protective cover (2) through an air intake pipe (71), and an air pump (72) is provided on the air intake pipe (71).

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