A laser cutting auxiliary positioning device for PCB circuit boards

Abstract

This utility model relates to the field of auxiliary positioning technology for PCB cutting, and discloses a laser cutting auxiliary positioning device for PCB circuit boards, including: a working support base plate, a cutting support frame, and a laser cutting assembly. The cutting support frame is fixedly connected to the top surface of the working support base plate, and the laser cutting assembly is disposed on the top of the cutting support frame. A cutting support boss is fixedly connected to the top surface of the working support base plate; an auxiliary positioning assembly is disposed on the top surface of the working support base plate; a cutting moving assembly is disposed on the top surface of the cutting support frame; and a telescopic cutting assembly is disposed on the side of the cutting moving assembly. This utility model uses a positioning cylinder to drive a correction clamping slide to clamp the PCB, and a correction camera monitors it in real time; a moving drive motor drives a lead screw to slide the support slider to control the laser cutting trajectory; and a telescopic cylinder drives a slide bar to adjust the cutting size, improving cutting accuracy and efficiency and reducing scrap rate.

Description

Technical Field

[0001] This utility model relates to the field of circuit board cutting auxiliary positioning technology, specifically a laser cutting auxiliary positioning device for PCB circuit boards. Background Technology

[0002] As electronic devices evolve towards miniaturization and high performance, the precision and quality requirements for PCB manufacturing are constantly increasing, making laser cutting a key processing technology. However, there are currently many problems in its positioning process. Traditional mechanical slot positioning relies on specialized molds. PCB circuit boards of different sizes and shapes require customized molds, which is costly and time-consuming to change. This results in extremely low efficiency for small-batch, multi-variety production. Furthermore, mechanical positioning struggles to accurately adapt to the irregular contours and special structures of irregularly shaped circuit boards, leading to positioning deviations. Manual positioning methods are limited by operator experience, resulting in low efficiency and errors. For high-density wiring and delicate circuit boards with line widths less than 0.1mm, manual positioning easily causes short circuits and open circuits, significantly increasing the scrap rate. In addition, the heat generated during laser cutting causes thermal deformation of the circuit board. Existing positioning technologies lack real-time monitoring and compensation mechanisms, leading to a continuous decrease in accuracy during cutting. In multilayer board cutting, accumulated thermal deformation severely affects processing accuracy, thereby damaging the electrical performance of the circuit board. Therefore, we propose a laser-cut auxiliary positioning device for PCB circuit boards. Utility Model Content

[0003] To address the shortcomings of existing technologies, this invention provides a laser cutting auxiliary positioning device for PCB circuit boards, which solves the aforementioned problems.

[0004] To achieve the above-mentioned objectives, this utility model provides the following technical solution: A laser cutting auxiliary positioning device for PCB circuit boards includes: The work support base plate, the cutting support frame, and the laser cutting assembly are provided. The cutting support frame is fixedly connected to the top surface of the work support base plate, the laser cutting assembly is provided on the top of the cutting support frame, and the cutting support boss is fixedly connected to the top surface of the work support base plate. An auxiliary positioning component is provided on the top surface of the working support base plate, and multiple sets of auxiliary positioning components are provided on the top surface of the working support base plate; A cutting moving assembly is installed on the top surface of a cutting support frame, and a moving drive motor is fixedly connected to the top surface of the cutting support frame. The output shaft of the moving drive motor is equipped with the cutting moving assembly. A telescopic cutting component is disposed on the side of the cutting moving component, the telescopic cutting component being used to adjust the cutting position of the laser cutting component during cutting.

[0005] Preferably, a cutting support frame is fixedly connected to the top surface of the working support base plate, and a rotating support platform is fixedly connected to the top surface of the cutting support frame. A rotating support hole is opened on the inner side of the rotating support platform, and a support slider is slidably connected to the top surface of the cutting support frame.

[0006] Preferably, the side of the support slider is provided with a threaded hole, and the side of the support slider is provided with a telescopic cutting component.

[0007] Preferably, the cutting moving assembly includes a moving drive motor, a rotating lead screw, and a supporting slider. The moving drive motor is fixedly connected to the top surface of the cutting support frame, the rotating lead screw is fixedly connected to the output shaft of the moving drive motor, the rotating lead screw is rotatably connected to the inner side of the rotating support hole, the supporting slider is slidably connected to the top surface of the cutting support frame, and the rotating lead screw is threadedly connected to the inner side of the threaded hole.

[0008] Preferably, the telescopic cutting assembly includes a telescopic cylinder, a laser cutting assembly, and a telescopic slide rod. The telescopic cylinder is fixedly connected to the side of the supporting slider, the telescopic slide rod is slidably connected to the inner side of the telescopic cylinder, and the laser cutting assembly is fixedly connected to the bottom surface of the telescopic slide rod.

[0009] Preferably, the auxiliary positioning component includes a correction clamping slide plate, a positioning cylinder, a correction camera, and a positioning push rod. The top surface of the working support base plate is fixedly connected to equidistantly distributed positioning cylinders. The inner side of the positioning cylinder is slidably connected to the positioning push rod. The other end of the positioning push rod is fixedly connected to the correction clamping slide plate. The top surface of the cutting support boss is slidably connected to the correction clamping slide plate. The bottom surface of the support slider is fixedly connected to the correction camera.

[0010] Compared with the prior art, the advantages of this utility model are: A laser cutting auxiliary positioning device for PCB circuit boards is provided, which has the following advantages: This invention utilizes a positioning cylinder in the auxiliary positioning assembly to drive a positioning push rod, which in turn moves a clamping slide plate to clamp and position the PCB circuit board. A correction camera monitors and provides real-time feedback on positional deviations, achieving precise positioning. In the cutting and moving assembly, a moving drive motor rotates a lead screw, causing a support slider to slide along the top surface of the cutting support frame, precisely controlling the movement trajectory of the laser cutting assembly. In the telescopic cutting assembly, a telescopic cylinder drives a telescopic slide rod, moving the laser cutting assembly back and forth to adjust the cutting size and adapt to different circuit board requirements. This effectively solves the problems of low accuracy, poor efficiency, and weak adaptability in traditional positioning methods, improving the accuracy and efficiency of PCB circuit board laser cutting and reducing the scrap rate. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram showing the overall structure of this utility model disassembled; Figure 3 This is a cross-sectional view of the overall structure of this utility model; Figure 4 This is a cross-sectional view of a portion of the structural cutting and moving component in this utility model.

[0012] In the diagram: 1. Working support base plate; 2. Cutting support boss; 3. Correcting and clamping slide plate; 4. Positioning cylinder; 5. Cutting support frame; 6. Moving drive motor; 7. Rotating support table; 8. Rotating lead screw; 9. Support slider; 10. Telescopic cylinder; 11. Laser cutting assembly; 12. Correction camera; 13. Rotating support hole; 14. Telescopic slide rod; 15. Positioning push rod; 16. Threaded hole. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0014] Please see Figure 1-4 This utility model provides a technical solution: A laser cutting auxiliary positioning device for PCB circuit boards includes: The work support base plate 1, the cutting support frame 5, and the laser cutting assembly 11 are provided. The cutting support frame 5 is fixedly connected to the top surface of the work support base plate 1, the laser cutting assembly 11 is provided on the top of the cutting support frame 5, and the cutting support boss 2 is fixedly connected to the top surface of the work support base plate 1. An auxiliary positioning component is provided on the top surface of the working support base plate 1, and multiple sets of auxiliary positioning components are provided on the top surface of the working support base plate 1. A cutting moving component is set on the top surface of the cutting support frame 5. A moving drive motor 6 is fixedly connected to the top surface of the cutting support frame 5. The output shaft of the moving drive motor 6 is equipped with the cutting moving component. A telescopic cutting component is provided on the side of the cutting moving component. The telescopic cutting component is used to adjust the cutting position of the laser cutting component 11 during cutting.

[0015] Furthermore, a cutting support frame 5 is fixedly connected to the top surface of the working support base plate 1, and a rotating support platform 7 is fixedly connected to the top surface of the cutting support frame 5. A rotating support hole 13 is opened on the inner side of the rotating support platform 7, and a support slider 9 is slidably connected to the top surface of the cutting support frame 5.

[0016] Furthermore, the side of the support slider 9 is provided with a threaded hole 16, and the side of the support slider 9 is provided with a telescopic cutting component.

[0017] Furthermore, the cutting moving assembly includes a moving drive motor 6, a rotating lead screw 8, and a support slider 9. The moving drive motor 6 is fixedly connected to the top surface of the cutting support frame 5, the output shaft of the moving drive motor 6 is fixedly connected to the rotating lead screw 8, the rotating lead screw 8 is rotatably connected to the inner side of the rotating support hole 13, the support slider 9 is slidably connected to the top surface of the cutting support frame 5, and the rotating lead screw 8 is threadedly connected to the inner side of the threaded hole 16. Through the action of the cutting moving assembly, the laser cutting assembly 11 is moved to complete the cutting of the PCB circuit board.

[0018] Furthermore, the telescopic cutting assembly includes a telescopic cylinder 10, a laser cutting assembly 11, and a telescopic slide rod 14. The telescopic cylinder 10 is fixedly connected to the side of the supporting slider 9, and the telescopic slide rod 14 is slidably connected to the inner side of the telescopic cylinder 10. The laser cutting assembly 11 is fixedly connected to the bottom surface of the telescopic slide rod 14. Through the action of the telescopic cutting assembly, the position of the laser cutting assembly 11 can be adjusted.

[0019] Furthermore, the auxiliary positioning components include a straightening clamping slide plate 3, a positioning cylinder 4, a correction camera 12, and a positioning push rod 15. The top surface of the working support base plate 1 is fixedly connected to the positioning cylinders 4, which are distributed at equal intervals. The positioning push rod 15 is slidably connected to the inner side of the positioning cylinders 4. The other end of the positioning push rod 15 is fixedly connected to the straightening clamping slide plate 3. The top surface of the cutting support boss 2 is slidably connected to the straightening clamping slide plate 3. The bottom surface of the support slider 9 is fixedly connected to the correction camera 12. Through the function of the auxiliary positioning components, real-time monitoring and correction of the PCB board position can be achieved.

[0020] Structural Description: Working support base plate 1: The top surface is fixed with cutting support frame 5 and cutting support boss 2, which is the basic support structure of the device and is used to install various components and support PCB circuit boards; Cutting support boss 2: fixed on the top surface of the working support base plate 1, the top surface is for placing the PCB circuit board, and is slidably connected to the straightening clamping slide plate 3 to provide a support platform for the circuit board; The straightening and clamping slide plate 3 slides on the top surface of the cutting support boss 2 and is driven by the positioning cylinder 4 to move the positioning push rod 15 to clamp and fix the PCB circuit board. Positioning cylinder 4: Fixed on the top surface of the working support base plate 1, and slidably connected to the positioning push rod 15 on the inner side. The positioning push rod 15 is driven by the extension and retraction of the cylinder, which in turn drives the straightening clamping slide plate 3 to achieve clamping and positioning of the circuit board. Cutting support frame 5: fixed on the top surface of the working support base plate 1, with the top surface fixed to the rotating support platform 7 and slidably connected to the support slider 9, used to support the cutting moving assembly and the laser cutting assembly 11; The mobile drive motor 6 is fixed on the top surface of the cutting support frame 5. Its output shaft is fixedly connected to the rotating lead screw 8, which provides power to the cutting moving component and drives the rotating lead screw 8 to rotate. Rotating support platform 7: Fixed to the top surface of cutting support frame 5, with a rotating support hole 13 on the inner side for supporting the rotating screw 8 and making it rotate stably; Rotating lead screw 8: One end is fixed to the output shaft of the moving drive motor 6, and the other end rotates in the rotating support hole 13. Through the threaded connection with the threaded hole 16 on the side of the support slider 9, it drives the support slider 9 to slide along the top surface of the cutting support frame 5. Support slider 9: slides on the top surface of the cutting support frame 5, and has a threaded hole 16 on the side for threaded connection with the rotating lead screw 8. The telescopic cylinder 10 is fixed on the side, and the correction camera 12 is fixed on the bottom surface. It is used to install the telescopic cutting assembly and drive the laser cutting assembly 11 to move. Telescopic cylinder 10: Fixed on the side of the support slider 9, and slidably connected to the telescopic slide rod 14 on the inside. The telescopic slide rod 14 is driven by the cylinder to adjust the longitudinal position of the laser cutting assembly 11. Laser cutting assembly 11: fixed to the bottom surface of telescopic slide bar 14, used for laser cutting of PCB circuit boards; Correction camera 12: Fixed on the bottom surface of support slider 9, used to photograph the circuit board, identify Mark points or circuit features, and monitor and provide feedback on position deviation in real time; Rotary support hole 13: It is opened on the inner side of the rotary support platform 7 and is rotatably connected to the rotary lead screw 8 to provide rotational support for the rotary lead screw 8; Telescopic slide bar 14: slides inside telescopic cylinder 10, with laser cutting component 11 fixed on the bottom surface, driven by telescopic cylinder 10, causing laser cutting component 11 to move up and down; Positioning push rod 15: slides inside the positioning cylinder 4, and the other end is fixedly connected to the rotating lead screw 8. Driven by the positioning cylinder 4, it drives the straightening clamping slide plate 3 to slide. Threaded hole 16: It is opened on the side of the support slider 9 and is threadedly connected to the rotating screw 8, so that the support slider 9 can slide along the top surface of the cutting support frame 5 under the drive of the rotating screw 8; Working principle: When this utility model is needed, the PCB circuit board is first placed on the cutting support boss 2. The positioning cylinder 4 drives the positioning push rod 15 to extend, which drives the straightening clamping slide plate 3 to slide and clamp the circuit board from the side. At the same time, the correction camera 12 on the bottom surface of the support slider 9 takes pictures of the circuit board, identifies the mark point or line feature, and feeds back the position deviation to the system. Then, the moving drive motor 6 starts, which drives the rotating screw 8 to rotate in the rotating support hole 13. Through the threaded hole 16, it drives the support slider 9 to slide along the top surface of the cutting support frame 5 to adjust the lateral position of the laser cutting assembly 11. Subsequently, the telescopic cylinder 10 drives the telescopic slide rod 14 to extend or retract, which adjusts the longitudinal position of the laser cutting assembly 11 and aligns it with the cutting area. During the cutting process, the correction camera 12 monitors the displacement of the circuit board caused by thermal deformation in real time. The system fine-tunes the position of the support slider 9 and the telescopic slide rod 14 according to the feedback to ensure the accuracy of the laser cutting trajectory and complete the high-precision cutting of the PCB circuit board.

[0021] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A laser cutting auxiliary positioning device for a PCB circuit board, characterized by, include: The work support base plate (1), the cutting support frame (5), and the laser cutting assembly (11) are provided. The top surface of the work support base plate (1) is fixedly connected to the cutting support frame (5), the top of the cutting support frame (5) is provided with the laser cutting assembly (11), and the top surface of the work support base plate (1) is fixedly connected to the cutting support boss (2). An auxiliary positioning component is provided on the top surface of the working support base plate (1), and the top surface of the working support base plate (1) is provided with multiple sets of auxiliary positioning components; A cutting moving component is provided on the top surface of the cutting support frame (5), and a moving drive motor (6) is fixedly connected to the top surface of the cutting support frame (5). The output shaft of the moving drive motor (6) is provided with the cutting moving component. A telescopic cutting component is provided on the side of the cutting moving component, which is used to adjust the cutting position of the laser cutting component (11) during cutting.

2. The laser cutting auxiliary positioning device for PCB according to claim 1, characterized in that, The top surface of the working support base plate (1) is fixedly connected to a cutting support frame (5), and the top surface of the cutting support frame (5) is fixedly connected to equidistant rotating support platforms (7). The inner side of the rotating support platform (7) is provided with a rotating support hole (13), and the top surface of the cutting support frame (5) is slidably connected to a support slider (9).

3. The laser cutting auxiliary positioning device for PCB according to claim 2, characterized in that, The side of the support slider (9) is provided with a threaded hole (16), and the side of the support slider (9) is provided with a telescopic cutting component.

4. The laser cutting auxiliary positioning device for PCB according to claim 3, characterized in that, The cutting moving assembly includes a moving drive motor (6), a rotating lead screw (8), and a support slider (9). The top surface of the cutting support frame (5) is fixedly connected to the moving drive motor (6), the output shaft of the moving drive motor (6) is fixedly connected to the rotating lead screw (8), the inner side of the rotating support hole (13) is rotatably connected to the rotating lead screw (8), the top surface of the cutting support frame (5) is slidably connected to the support slider (9), and the inner side of the threaded hole (16) is threadedly connected to the rotating lead screw (8).

5. The laser cutting auxiliary positioning device for PCB according to claim 4, wherein, The telescopic cutting assembly includes a telescopic cylinder (10), a laser cutting assembly (11), and a telescopic slide rod (14). The telescopic cylinder (10) is fixedly connected to the side of the support slider (9), and the telescopic slide rod (14) is slidably connected to the inner side of the telescopic cylinder (10). The laser cutting assembly (11) is fixedly connected to the bottom surface of the telescopic slide rod (14).

6. The laser cutting auxiliary positioning device for PCB according to claim 4, wherein, The auxiliary positioning components include a correction clamping slide plate (3), a positioning cylinder (4), a correction camera (12), and a positioning push rod (15). The top surface of the working support base plate (1) is fixedly connected with equidistantly distributed positioning cylinders (4). The inner side of the positioning cylinder (4) is slidably connected with the positioning push rod (15). The other end of the positioning push rod (15) is fixedly connected with the correction clamping slide plate (3). The top surface of the cutting support boss (2) is slidably connected with the correction clamping slide plate (3). The bottom surface of the support slider (9) is fixedly connected with the correction camera (12).

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