PCB servo double-shaft moving visual laser coaxial laser mechanism

By designing a PCB board servo biaxial mobile vision laser coaxial laser mechanism including horizontal tracks, vertical tracks, lasers, vision boxes, cameras and reflectors, the problem of inaccurate laser position in the prior art is solved, and the precise laser processing of the PCB board is achieved, and the laser quality and product consistency are improved.

CN222608442UActive Publication Date: 2025-03-14SHANGHAI QIANLI INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202421319354.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-03-14
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

In the prior art, laser mechanisms are difficult to ensure the accuracy of the laser position during laser processing, resulting in inconsistent product quality.

Method used

A servo biaxial mobile vision laser coaxial laser mechanism of PCB board is designed, including horizontal tracks, vertical tracks, lasers, vision boxes, cameras and reflectors. The PCB board is accurately positioned through the visual synchronization recognition system and fully covered laser is achieved through the laser.

Benefits of technology

Through the dual-axis servo moving laser mechanism, the stable movement of the laser is ensured, precise laser processing of the PCB board is achieved, and laser quality and product consistency are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a PCB servo double-shaft moving visual laser coaxial laser mechanism, which effectively solves the problem that the position accuracy cannot be ensured during laser. Comprising a horizontal track, a fixing plate is slidably arranged on the horizontal track, a vertical track is arranged on the fixing plate, a laser is arranged on the vertical track, the side edge of the laser extends out of the outer side of the horizontal track and is connected with a visual box, a camera is arranged in the visual box, a through hole is formed in the bottom of the visual box, and a reflector is arranged in the visual box. The camera can shoot the PCB below the through hole through the reflecting mirror, laser of the laser device can penetrate through the reflecting mirror to carry out laser on the PCB, and an annular light source is arranged on the outer side of the through hole; according to the utility model, the structure is simple and ingenious, the use is convenient, through the visual synchronization identification system, the PCB is accurately positioned and photographed, the position of the PCB and the laser position coordinate are obtained, then the laser is fully covered in the scene range through the laser, and the laser quality is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of PCB board laser technology, in particular to a PCB board servo dual-axis moving visual laser coaxial laser mechanism. Background Art

[0002] During laser processing of PCB boards, the relative position between the laser mechanism and the PCB board needs to be kept consistent in order to achieve the uniformity and consistency of the laser position of the PCB board and ensure product quality.

[0003] During laser processing, the laser mechanism in the prior art is generally in a fixed position, and laser processing is performed after the PCB board fed in is identified. There may be position deviations, and the consistency of the product cannot be guaranteed. Utility Model Content

[0004] In order to overcome the defects of the prior art, the utility model provides a PCB board servo dual-axis moving visual laser coaxial laser mechanism, which effectively solves the problem that the position accuracy cannot be guaranteed during laser.

[0005] The technical solution to solve the technical problem is: a PCB board servo dual-axis mobile visual laser coaxial laser mechanism, including a horizontal track, a fixed plate is slidably arranged on the horizontal track, a vertical track is arranged on the fixed plate, a laser is arranged on the vertical track, the side of the laser extends out of the horizontal track and is connected to a visual box, a camera is arranged in the visual box, a through hole is opened at the bottom of the visual box, a reflector is arranged in the visual box, the camera can shoot the PCB board located under the through hole through the reflector, the laser of the laser can laser the PCB board through the reflector, and a ring-shaped light source is arranged on the outside of the through hole.

[0006] Preferably, a first motor is provided at the end of the horizontal track, and the first motor drives the fixed plate to slide on the horizontal track.

[0007] Preferably, the cross-section of the horizontal track is groove-shaped, the fixed plate slides in cooperation with the groove of the horizontal track, a lead screw connected to the first motor is provided in the horizontal track, and the fixed plate is threadedly connected to the lead screw.

[0008] Preferably, the vertical track has the same structure as the horizontal track, and a second motor is provided on the vertical track, and the second motor drives the laser to vertically rise and fall.

[0009] Preferably, the camera is arranged horizontally, and the reflector forms an angle of 45° with the horizontal plane.

[0010] Preferably, a code reader is provided on the side of the vision box, and the code reader is aligned with the direction of the PCB board.

[0011] Preferably, the code reader is fixed to the side of the vision box via a connecting plate, the connecting plate is provided with a connecting shaft and an arc groove, the code reader rotates around the connecting shaft and is fixed in the arc groove via screws, forming a structure in which the angle of the code reader can be adjusted.

[0012] Preferably, a drag chain is provided on the side of the horizontal track, and an organ pipe connected to the air source is provided on the side of the drag chain. The organ pipe is connected to a slag cleaning pipe located at the bottom of the visual box, and the side opening direction of the slag cleaning pipe is aligned with the laser position of the PCB board.

[0013] The utility model has a simple and ingenious structure and is easy to use. Through a visual synchronous recognition system, the PCB board can be accurately positioned and photographed to obtain the board position and laser position coordinates, and then the laser can be used to achieve full coverage of the scene range, thereby improving the laser quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 .

[0015] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 .

[0016] Figure 3 It is a top view structural schematic diagram of the utility model.

[0017] Figure 4 This utility model Figure 3 Schematic cross-sectional view of AA.

[0018] Figure 5 This utility model Figure 4 Schematic diagram of the cross-section of BB. DETAILED DESCRIPTION

[0019] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0020] Depend on Figures 1 to 5 It can be known that a PCB board servo dual-axis mobile visual laser coaxial laser mechanism includes a horizontal track 1, a fixed plate 2 is slidably arranged on the horizontal track 1, a vertical track 3 is arranged on the fixed plate 2, a laser 4 is arranged on the vertical track 3, the side of the laser 4 extends out of the horizontal track 1 and is connected to a visual box 5, a camera 6 is arranged in the visual box 5, a through hole 7 is opened at the bottom of the visual box 5, a reflector 8 is arranged in the visual box 5, the camera 6 can photograph the PCB board located below the through hole 7 through the reflector 8, the laser of the laser 4 can laser the PCB board through the reflector 8, and a ring-shaped light source 9 is arranged on the outside of the through hole 7.

[0021] When the utility model is used in a specific way,

[0022] The horizontal track 1 is set parallel to the production line, the visual box 5 is set above the production line, the camera 6 takes pictures of the PCB board and then feeds back to the control system. After analysis, the control system controls the laser 4 to perform laser processing on the PCB board.

[0023] When the PCB board reaches the bottom of the through hole 7, the light from the camera 6 is reflected by the reflector 8 and then photographed. The light from the laser 4 can directly pass through the reflector 8. The reflector 8 uses a single-sided lens, which can not only reflect the light from the camera 6, but also pass the light from the laser 4 to complete the laser processing.

[0024] The ring light source 9 provides supplementary light to the PCB board, making the view clearer.

[0025] A first motor 10 is provided at the end of the horizontal track 1, and the first motor 10 drives the fixed plate 2 to slide on the horizontal track 1. The cross-section of the horizontal track 1 is groove-shaped, and the fixed plate 2 slides in cooperation with the groove of the horizontal track 1. A lead screw 11 connected to the first motor 10 is provided in the horizontal track 1, and the fixed plate 2 is threadedly connected to the lead screw 11. The vertical track 3 has the same structure as the horizontal track 1. A second motor 12 is provided on the vertical track 3, and the second motor 12 drives the laser 4 to rise and fall vertically.

[0026] The grooved track structure enables smooth sliding, allowing the visual laser mechanism to move stably, accurately find the position and perform laser processing.

[0027] The first motor 10 and the second motor 12 are designed with encoders, which can accurately feed back the position of the shaft to the board control system and monitor the position coordinates at all times.

[0028] The camera 6 is set horizontally, and the reflector 8 is at a 45° angle to the horizontal plane. The camera 6 uses a professional industrial camera, which can accurately locate the PCB board, take pictures, and obtain the position of the board and the coordinates of the laser position, and then use the laser machine to achieve full coverage of the laser within the scene range.

[0029] A code reader 13 is provided on the side of the vision box 5. The code reader 13 is aligned with the direction of the PCB board. The code reader 13 is fixed to the side of the vision box 5 via a connecting plate 14. A connecting shaft 15 and an arc groove 16 are provided on the connecting plate 14. The code reader 13 rotates around the connecting shaft 15 and is fixed in the arc groove 16 via screws, thereby forming a structure in which the angle of the code reader 13 is adjustable.

[0030] The code reader 13 can adjust the angle according to the size of the PCB board and the position of the barcode, so that the code reader 13 accurately corresponds to the barcode position on the PCB board, identifies the type of the PCB board, and adjusts the position of the laser 4 in combination with the camera 6 framing.

[0031] A drag chain 17 is provided on the side of the horizontal track 1, and an organ pipe 18 connected to the air source is provided on the side of the drag chain 17. The organ pipe 18 is connected to a slag cleaning pipe 19 located at the bottom of the visual box 5, and the side opening 20 of the slag cleaning pipe 19 is aligned with the laser position of the PCB board.

[0032] The drag chain 17 is used to power the equipment and protect the cables. The organ pipe 18 is connected to the air source to form a negative pressure, which can absorb the dust generated during laser processing to avoid affecting the quality of the laser.

[0033] Compared with the prior art, the utility model has the following beneficial effects: the dual-axis servo mobile laser mechanism of the horizontal track and the vertical track makes the movement of the laser stable without large jitter, thereby ensuring the laser quality.

Claims

1. A PCB board servo dual-axis moving visual laser coaxial laser mechanism, characterized in that: The invention comprises a horizontal track (1), a fixing plate (2) being slidably arranged on the horizontal track (1), a vertical track (3) being arranged on the fixing plate (2), a laser (4) being arranged on the vertical track (3), a side of the laser (4) extending out of the horizontal track (1) and being connected to a visual box (5), a camera (6) being arranged in the visual box (5), a through hole (7) being opened at the bottom of the visual box (5), a reflector (8) being arranged in the visual box (5), the camera (6) being able to photograph a PCB board located below the through hole (7) through the reflector (8), laser light from the laser (4) being able to irradiate the PCB board through the reflector (8), and a ring-shaped light source (9) being arranged outside the through hole (7).

2. According to claim 1, a PCB board servo dual-axis moving visual laser coaxial laser mechanism is characterized in that: A first motor (10) is provided at the end of the horizontal track (1), and the first motor (10) drives the fixed plate (2) to slide on the horizontal track (1).

3. A PCB board servo dual-axis moving visual laser coaxial laser mechanism according to claim 2, characterized in that: The horizontal track (1) has a groove-shaped cross section, the fixed plate (2) slides in cooperation with the groove of the horizontal track (1), a lead screw (11) connected to the first motor (10) is provided in the horizontal track (1), and the fixed plate (2) is threadedly connected to the lead screw (11).

4. A PCB board servo dual-axis moving visual laser coaxial laser mechanism according to claim 3, characterized in that: The vertical track (3) has the same structure as the horizontal track (1). A second motor (12) is provided on the vertical track (3), and the second motor (12) drives the laser (4) to vertically rise and fall.

5. A PCB board servo dual-axis moving visual laser coaxial laser mechanism according to claim 1, characterized in that: The camera (6) is arranged horizontally, and the reflector (8) is arranged at an angle of 45° to the horizontal plane.

6. A PCB board servo dual-axis moving visual laser coaxial laser mechanism according to claim 1, characterized in that: A code reader (13) is provided on the side of the visual box (5), and the code reader (13) is aligned in the direction of the PCB board.

7. A PCB board servo dual-axis moving visual laser coaxial laser mechanism according to claim 6, characterized in that: The code reader (13) is fixed to the side of the vision box (5) via a connecting plate (14). The connecting plate (14) is provided with a connecting shaft (15) and an arc groove (16). The code reader (13) rotates around the connecting shaft (15) and is fixed in the arc groove (16) via screws, thereby forming a structure in which the angle of the code reader (13) is adjustable.

8. The PCB board servo dual-axis moving visual laser coaxial laser mechanism according to claim 1 is characterized in that: The horizontal track (1) is provided with a drag chain (17) on the side, and an organ pipe (18) connected to an air source is provided on the side of the drag chain (17). The organ pipe (18) is connected to a slag cleaning pipe (19) located at the bottom of the visual box (5), and the side opening (20) of the slag cleaning pipe (19) is aligned with the laser position of the PCB board.