Guiding device of PCB (Printed Circuit Board) multi-shaft drilling machine

Abstract

The utility model relates to the technical field of PCB (Printed Circuit Board) multi-shaft drilling machines, and discloses a guide device of a PCB multi-shaft drilling machine. Comprising a PCB multi-shaft drilling machine body, a first linear motor is fixedly connected to the inner wall of the bottom end of the PCB multi-shaft drilling machine body, a second linear motor is fixedly connected to the moving sub-surface of the first linear motor, and a multi-shaft drill floor is arranged on the inner wall of the top end of the PCB multi-shaft drilling machine body. The first linear motor and the second linear motor are perpendicular to each other, so that the PCB can be guided, moved and positioned in the X-axis direction and the Y-axis direction, the subsequent drilling quality of the PCB can be guaranteed, the first linear motor and the second linear motor are subjected to weight reduction design, the moving speed and the accelerated speed are increased, the drilling machining efficiency and precision are achieved, and the production cost is reduced. The problems of abrasion noise and the like caused by long-time use of screw transmission are solved, and meanwhile the cost for replacing the screw can be saved.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB multi-axis drilling machines, in particular to a guiding device for a PCB multi-axis drilling machine. Background Art

[0002] A PCB drilling machine is a device used for drilling printed circuit boards. With the booming development of the information, communication, and electronics industries, printed circuit boards have become one of the most important components. As the wiring of PCB boards becomes denser, the speed requirement for PCB drilling machines is getting faster and faster, and the required precision is also getting higher and higher. In order to improve the drilling precision and quality of PCB drilling machines, research and development are carried out in the direction of high performance.

[0003] Existing PCB drilling machines use servo motors and screw drives for positioning and driving the operation of the workbench. It is easy to have noise generated by the friction of the motor and the screw, and there will also be a phenomenon of screw backlash, resulting in problems such as abnormal screw replacement and service life, which easily increases the cost of replacing the screw of the PCB equipment and greatly reduces the processing efficiency of the drilling equipment.

[0004] Therefore, in order to solve the above problems, the company decided to carry out research on the project of a high-performance PCB multi-axis line motor drilling machine. Content of the Utility Model

[0005] The purpose of the utility model is to solve the problems in the prior art that existing PCB drilling machines use servo motors and screw drives for positioning and driving the operation of the workbench, which is easy to have noise generated by the friction of the motor and the screw, and there will also be a phenomenon of screw backlash, resulting in problems such as abnormal screw replacement and service life, which easily increases the cost of replacing the screw of the PCB equipment and greatly reduces the processing efficiency of the drilling equipment. A guiding device for a PCB multi-axis drilling machine is proposed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A guiding device for a PCB multi-axis drilling machine includes a PCB multi-axis drilling machine body. A first linear motor is fixedly connected to the inner bottom wall of the PCB multi-axis drilling machine body. A second linear motor is fixedly connected to the surface of the moving part of the first linear motor. A multi-axis drill table is provided on the inner top wall of the PCB multi-axis drilling machine body. A processing table is provided above the moving part of the second linear motor. A cavity is provided inside the processing table. A power supply and an alarm are fixedly connected to the inner wall of the cavity of the processing table. The wiring ends of the power supply and the alarm respectively extend to the inner top wall of the processing table. A transmission mechanism is provided on the inner wall of the processing table.

[0008] Preferably, the inner wall of the PCB multi-axis drilling machine body is provided with a strip-shaped opening, the end of the second linear motor is fixedly connected with a guide block, the end of the guide block is provided with a chamfered corner, and the inner wall of the PCB multi-axis drilling machine body located at the strip-shaped opening matches the guide block.

[0009] Preferably, a ball is provided on the inner wall of the guide block for rolling operation, and the ball is arranged on the inner wall of the strip-shaped opening of the PCB multi-axis drilling machine body.

[0010] Preferably, the transmission mechanism includes a fixed plate, a spring, a movable plate, a pressure-sensitive block and an adapter frame, the fixed plate is fixedly connected to the inner wall of the processing table, the spring is fixedly connected to the bottom of the fixed plate, the movable plate is fixedly connected to the end of the spring facing away from the fixed plate, the pressure-sensitive block is fixedly connected to the side of the movable plate facing away from the spring, the adapter frame is fixedly connected to the upper surface of the movable plate and passes through the fixed plate, and the top inner wall of the adapter frame is provided with an adapter wire and is arranged below the power supply and alarm terminals.

[0011] Preferably, the bottom of the pressure-sensitive block is arranged as an arc surface, and a rolling ball is arranged on the inner wall of the bottom end of the pressure-sensitive block.

[0012] Preferably, a stabilizing block is fixedly connected to the side wall of the movable plate, a guide groove is provided on the inner wall of the processing table, and the stabilizing block is slidably arranged on the inner wall of the processing table located in the guide groove.

[0013] Compared with the prior art, the utility model provides a guide device for a PCB multi-axis drilling machine, which has the following beneficial effects:

[0014] 1. The guide device of the PCB multi-axis drilling machine can guide, move and position the PCB board along the X-axis and Y-axis by vertically arranging the first linear motor and the second linear motor, thereby ensuring the quality of subsequent drilling of the PCB. The first linear motor and the second linear motor are designed to reduce weight, thereby improving the moving speed and acceleration to achieve drilling processing efficiency and accuracy, prevent problems such as wear and noise caused by long-term use of the screw drive, and save the cost of replacing the screw.

[0015] 2. The guiding device of the PCB multi-axis drilling machine is such that if the processing table is offset, the pressure-sensitive block will be squeezed by the internal guide rail of the second linear motor to press the moving plate to move and drive the spring to compress, so that the adapter frame moves up and contacts the wiring terminals of the power supply and the alarm, so that the power supply energizes the alarm through the wire body inside the adapter frame, so that the staff can promptly find out whether the processing table is offset and make timely adjustments to prevent wear and affect subsequent transmission.

[0016] 3. The guiding device of the PCB multi-axis drilling machine can improve the stability of the movement of the second linear motor when the first linear motor drives the second linear motor to move, and the guiding block slides along the inner wall of the strip-shaped opening. The rolling of the ball along the inner wall of the strip-shaped opening can reduce the wear of the guiding block inside the strip-shaped opening. The stabilizing block slides along the inner wall of the guiding groove to improve the stability of the movement of the moving plate, and the rolling ball can reduce the friction of the pressure-sensitive block on the inner rail of the second linear motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 FIG. is a schematic structural diagram of a guiding device of a PCB multi-axis drilling machine proposed by the present utility model;

[0018] Figure 2 is Figure 1 a top view of the structures of the first linear motor and the second linear motor in;

[0019] Figure 3 is Figure 1 an enlarged schematic view of the structure of the partial A part in.

[0020] In the figure: 1 PCB multi-axis drilling machine body, 2 first linear motor, 3 second linear motor, 4 multi-axis drill table, 5 guiding block, 6 ball, 7 processing table, 8 fixing plate, 9 spring, 10 moving plate, 11 pressure-sensitive block, 12 adapter frame, 13 power supply, 14 alarm, 15 rolling ball, 16 stabilizing block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0022] Embodiment 1

[0023] Referring to Figures 1-3 , a guiding device of a PCB multi-axis drilling machine includes a PCB multi-axis drilling machine body 1. The bottom inner wall of the PCB multi-axis drilling machine body 1 is fixedly connected with a first linear motor 2. The moving sub-surface of the first linear motor 2 is fixedly connected with a second linear motor 3. The top inner wall of the PCB multi-axis drilling machine body 1 is provided with a multi-axis drill table 4. The second linear motor 3 is provided with a processing table 7 above the moving sub. The processing table 7 has a cavity inside. The inner wall of the cavity of the processing table 7 is fixedly connected with a power supply 13 and an alarm 14. The wiring ends of the power supply 13 and the alarm 14 respectively extend to the top inner wall of the processing table 7.

[0024] A transmission mechanism is provided on the inner wall of the processing table 7, and the transmission mechanism includes a fixed plate 8, a spring 9, a movable plate 10, a pressure-sensitive block 11 and an adapter frame 12. The fixed plate 8 is fixedly connected to the inner wall of the processing table 7, the spring 9 is fixedly connected to the bottom of the fixed plate 8, the movable plate 10 is fixedly connected to the end of the spring 9 away from the fixed plate 8, the pressure-sensitive block 11 is fixedly connected to the side of the movable plate 10 away from the spring 9, the adapter frame 12 is fixedly connected to the upper surface of the movable plate 10 and passes through the fixed plate 8. The top inner wall of the adapter frame 12 is provided with an adapter wire and is arranged below the wiring terminals of the power supply 13 and the alarm 14.

[0025] When in use, the PCB board to be processed is placed on the surface of the processing table 7. The first linear motor 2 and the second linear motor 3 are arranged perpendicular to each other, so that the PCB board can be guided, moved and positioned on the X-axis and the Y-axis, which can ensure the quality of subsequent drilling of the PCB. The first linear motor 2 and the second linear motor 3 are designed to reduce weight, so that the moving speed and acceleration are improved to achieve drilling processing efficiency and accuracy, prevent problems such as wear and noise caused by long-term use of the screw transmission, and save the cost of replacing the screw. When the processing table 7 moves on the second linear motor 3, if the processing table 7 is offset, the pressure-sensitive block 11 will be squeezed by the internal guide rail of the second linear motor 3, which will press the moving plate 10 to move and drive the spring 9 to compress, so that the adapter frame 12 moves up and contacts the wiring terminals of the power supply 13 and the alarm 14, so that the power supply 13 can power on the alarm 14 through the wire body inside the adapter frame 12 to alarm, so that the staff can promptly discover whether the processing table 7 is offset, so as to make timely adjustments to prevent wear and affect subsequent transmission.

[0026] Embodiment 2

[0027] Reference Figures 1-3 A strip-shaped opening is provided on the inner wall of the PCB multi-axis drilling machine body 1, a guide block 5 is fixedly connected to the end of the second linear motor 3, a chamfer is provided on the end of the guide block 5, the inner wall of the PCB multi-axis drilling machine body 1 located at the strip-shaped opening matches the guide block 5, a ball 6 is provided on the inner wall of the guide block 5 for rolling, and the ball 6 is rollingly arranged on the inner wall of the PCB multi-axis drilling machine body 1 located at the strip-shaped opening.

[0028] The bottom of the pressure-sensitive block 11 is set as an arc surface, and a rolling ball 15 is further provided on the inner wall of the bottom end of the pressure-sensitive block 11. A stabilizing block 16 is fixedly connected to the side wall of the movable plate 10, and a guide groove is opened on the inner wall of the processing table 7. The stabilizing block 16 is slidably arranged on the inner wall of the processing table 7 located in the guide groove.

[0029] When the first linear motor 2 drives the second linear motor 3 to move, it will drive the guide block 5 to slide along the inner wall of the strip-shaped opening, which can improve the movement stability of the second linear motor 3. The rolling of the ball 6 along the inner wall of the strip-shaped opening can reduce the wear of the guide block 5 inside the strip-shaped opening.

[0030] The stable block 16 slides along the inner wall of the guiding groove, which can improve the stability of the movement of the moving plate 10, while the rolling ball 15 can reduce the friction of the pressure-sensitive block 11 on the inner guide rail of the second linear motor 3.

[0031] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A guiding device for a PCB multi-axis drilling machine, comprising a PCB multi-axis drilling machine body (1), characterized in that: A first linear motor (2) is fixedly connected to the inner wall of the bottom end of the PCB multi-axis drilling machine body (1); a second linear motor (3) is fixedly connected to the surface of a moving part of the first linear motor (2); a multi-axis drilling table (4) is provided on the inner wall of the top end of the PCB multi-axis drilling machine body (1); a processing table (7) is provided above the moving part of the second linear motor (3); a cavity is provided inside the processing table (7); a power supply (13) and an alarm (14) are fixedly connected to the inner wall of the processing table (7) located in the cavity; the wiring terminals of the power supply (13) and the alarm (14) extend to the inner wall of the top end of the processing table (7) respectively; and a transmission mechanism is provided on the inner wall of the processing table (7).

2. The guiding device of a PCB multi-axis drilling machine according to claim 1, characterized in that: The inner wall of the PCB multi-axis drilling machine body (1) is provided with a strip-shaped opening, the end of the second linear motor (3) is fixedly connected with a guide block (5), the end of the guide block (5) is provided with a rounded corner, and the inner wall of the PCB multi-axis drilling machine body (1) located at the strip-shaped opening matches the guide block (5).

3. The guiding device of a PCB multi-axis drilling machine according to claim 2, characterized in that: A ball (6) is provided on the inner wall of the guide block (5) for rolling operation, and the ball (6) is provided on the inner wall of the PCB multi-axis drilling machine body (1) at the strip-shaped opening for rolling operation.

4. The guiding device of a PCB multi-axis drilling machine according to claim 1, characterized in that: The transmission mechanism comprises a fixed plate (8), a spring (9), a movable plate (10), a pressure-sensitive block (11) and an adapter frame (12); the fixed plate (8) is fixedly connected to the inner wall of the processing table (7); the spring (9) is fixedly connected to the bottom of the fixed plate (8); the movable plate (10) is fixedly connected to the end of the spring (9) away from the fixed plate (8); the pressure-sensitive block (11) is fixedly connected to the side of the movable plate (10) away from the spring (9); the adapter frame (12) is fixedly connected to the upper surface of the movable plate (10) and is arranged through the fixed plate (8); the top inner wall of the adapter frame (12) is provided with an adapter wire and is arranged below the wiring terminals of the power supply (13) and the alarm (14).

5. The guiding device of a PCB multi-axis drilling machine according to claim 4, characterized in that: The bottom of the pressure-sensing block (11) is arranged as an arc surface, and a rolling ball (15) is arranged on the inner wall of the bottom end of the pressure-sensing block (11) for rolling.

6. The guiding device of a PCB multi-axis drilling machine according to claim 4, characterized in that: A stabilizing block (16) is fixedly connected to the side wall of the movable plate (10), a guide groove is provided on the inner wall of the processing table (7), and the stabilizing block (16) is slidably arranged on the inner wall of the processing table (7) located in the guide groove.

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