Circuit board positioning and punching tool

Abstract

The utility model relates to the field of circuit board processing, in particular to a circuit board positioning and punching tool which comprises a bottom plate, a lead screw and a plurality of sliding rails are arranged on the bottom plate, the lead screw is driven by a positioning motor to rotate, a sliding table is further arranged above the bottom plate, the lead screw is in threaded connection with the sliding table, the sliding table is in sliding connection with the sliding rails, and the sliding rails are arranged on the bottom plate. A fixing groove is formed in the sliding table, limiting devices are fixed to the positions, at the four corners of the fixing groove, of the sliding table, each limiting device comprises a limiting plate fixed to the sliding table, a limiting rod is arranged on each limiting plate, each limiting rod penetrates through the corresponding limiting plate and is in sliding connection with the corresponding limiting plate, and a limiting block is fixed to one end of each limiting rod; a spring is further fixed between the limiting block and the limiting plate, and a rolling wheel is arranged on the limiting block. When the circuit board is drilled, the lower end of the circuit board is placed in the fixing groove, the four corners of the upper end of the circuit board are jacked by the fixing rods, and the circuit board can be effectively prevented from moving when being drilled.

Description

Technical field

[0001] The utility model relates to the field of circuit board processing, in particular to a circuit board positioning and punching tool. [Background Technology]

[0002] Circuit boards are known by various names, including ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, circuit boards, PCBs, aluminum substrates, high-frequency boards, thick copper boards, impedance boards, PCBs, ultra-thin circuit boards, and printed (copper etching technology) circuit boards. Circuit boards miniaturize and visualize circuits, playing a vital role in the mass production of fixed circuits and optimizing the layout of electrical appliances. Circuit boards can also be called printed circuit boards or printed circuit boards.

[0003] When processing circuit boards, punching equipment is required to punch holes in the circuit boards. Patent application number: CN201921233846.4 discloses a circuit board drilling processing mechanism, which includes a drilling machine and a drill rig fixed above the drilling machine. A chuck is provided at the lower end of the drilling rig, and a drill bit is clamped in the chuck. The chuck tightly grasps the shank of the drill bit, and the shank is perpendicular to the table of the drilling machine. The blade of the drill bit faces downward, and a square wooden pad is provided on the table of the drilling machine. When processing the circuit board, the circuit board is placed on the wooden pad to perform drilling operations on the circuit board. However, when this type of punching device is used to punch holes, the circuit board is not fixed. When the drill bit contacts or separates from the circuit board, it is easy to cause the circuit board to move, affecting the accuracy of punching the next hole on the circuit board.

[0004] The present invention is proposed in view of the deficiencies in the prior art. [Utility Model Content]

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a circuit board positioning and punching tool.

[0006] The utility model can be realized by the following technical solutions:

[0007] The utility model discloses a circuit board positioning punching tool, comprising a base plate, wherein a screw rod and a plurality of slide rails are arranged on the base plate, the screw rod is driven to rotate by a positioning motor, and a slide is further arranged above the base plate, the screw rod is threadedly connected to the slide, the slide is slidably connected to the slide rail, a fixing groove is provided on the slide, and a limiting device is fixed on the slide at the four corner positions of the fixing groove, the limiting device comprises a limiting plate fixed to the slide, a limiting rod is arranged on the limiting plate, the limiting rod passes through the limiting plate and is slidably connected to the limiting plate, a limiting block is fixed to one end of the limiting rod, a spring is fixed between the limiting block and the limiting plate, and the limiting The cam is provided with a plurality of guide wheels, and the guide wheels are provided with a plurality of guide wheels respectively. The guide wheels are provided with a plurality of guide wheels respectively. The guide wheels are provided with a plurality of guide wheels respectively. The guide wheels are provided with a plurality of guide wheels respectively. The circuit board to be punched is placed in the fixed groove of the slide. When the circuit board needs to be punched, the positioning motor drives the screw to rotate. Since the screw is threadedly connected to the slide, when the screw rotates, the slide moves in the direction of the screw, and the circuit board moves with the slide. After the roller on the limit device is separated from the guide plate, the spring returns to its natural state, and the spring pushes the limit block to move, and the limit block drives the limit rod to move. The push rod moves with the limit rod, and the push rod pulls the support rod to rotate around the support shaft. The fixed rod rotates with the support tube, and the fixed rod reaches the top of the circuit board and supports the circuit board. After the four corners of the circuit board are supported by the fixed rod, the position on the circuit board to be punched reaches under the drill bit, the cylinder is started, the piston rod on the cylinder extends, and the high-speed rotating drill bit descends. After the drill bit contacts the circuit board, the circuit board is punched. After the operation is completed, the cylinder starts again, the piston rod on the cylinder shortens, the drill bit rises, and after the drill bit is separated from the circuit board, the positioning motor drives the screw to rotate in the opposite direction, and the slide moves back to the initial position. After the roller on the limit device contacts the guide plate, since the front end of the guide plate is an arc structure, the roller rolls on the guide plate, which can realize that the roller pushes the limit rod to move, and the push rod moves with the limit rod, and the push rod pushes the support rod to rotate in the opposite direction around the support axis. After the fixed rod is separated from the circuit board, it returns to the initial position, and there is no obstruction on the upper end of the circuit board. The circuit board with the drilled hole is removed. This device can realize the drilling operation on the circuit board. When the circuit board is punched, the lower end of the circuit board is placed in the fixed groove, and the four corners of the upper end of the circuit board are supported by the fixed rod, which can effectively prevent the circuit board from moving during drilling.

[0008] Preferably, a limiting tube is fixed on the limiting plate, and the limiting rod passes through the limiting tube and is slidably connected to the limiting tube.

[0009] Preferably, a pressure wheel is provided at the end of the fixing rod. The pressure wheel supports the fixing rod and rolls on the surface of the circuit board, which can effectively prevent the circuit board from being scratched.

[0010] Preferably, the slide at the bottom of the fixing groove is further provided with a plurality of avoidance holes. The positions of the avoidance holes correspond to the punching positions on the circuit board. When punching the circuit board, the bottom of the drill bit extends into the avoidance holes, which can effectively avoid damage to the drill bit.

[0011] Preferably, the slide is further provided with a material taking port which passes through the slide. When removing the circuit board, the circuit board is lifted from the material taking port to facilitate removal of the circuit board from the fixing groove.

[0012] Preferably, vertical plates are fixed to the bottom plates on both sides of the slide, and a screw and a slide rod are provided between the two vertical plates. The screw is driven to rotate by a limit motor, the screw passes through the slide plate and is threadedly connected to the slide plate, and the slide rod passes through the slide plate and is slidably connected to the slide plate. The screw drives the slide plate to move horizontally, and the screw drives the slide plate to move longitudinally, so that the drill bit can reach any position above the circuit board, and drilling operations can be performed at any position on the circuit board.

[0013] Compared with the existing technology, the utility model has the following advantages:

[0014] This device can realize the punching operation on the circuit board. When the circuit board is punched, the lower end of the circuit board is placed in the fixed groove, and the four corners of the upper end of the circuit board are supported by the fixed rods, which can effectively prevent the circuit board from moving when drilling.

Brief Description of the Drawings

[0015] The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings, wherein:

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0018] In the figure: 1. bottom plate; 2. slide rail; 3. screw rod; 4. positioning motor; 5. slide table; 6. fixing groove; 7. avoidance hole; 8. feeding port; 9. limit device; 10. limit plate; 11. limit tube; 12. limit rod; 13. limit block; 14. roller; 15. spring; 16. push rod; 17. support shaft; 18. support tube; 19. support rod; 20. slide groove; 21. fixing rod; 22. pressure roller; 23. guide plate; 24. screw rod; 25. slide rod; 26. limit motor; 27. slide plate; 28. cylinder; 29. ​​slide block; 30. punching motor; 31. drill bit; 32. vertical plate; [Specific implementation method]

[0019] The following describes the embodiments of the present invention in detail with reference to the accompanying drawings:

[0020] Example 1:

[0021] like Figures 1 to 2As shown, this embodiment discloses a circuit board positioning and punching tool, which includes a base plate 1, a screw rod 3 and a plurality of slide rails 2 are provided on the base plate 1, the screw rod 3 is driven to rotate by a positioning motor 4, a slide 5 is further provided above the base plate 1, the screw rod 3 is threadedly connected to the slide 5, the slide 5 is slidably connected to the slide rail 2, a fixed groove 6 is provided on the slide 5, and a limiting device 9 is fixed on the slide 5 at the four corner positions of the fixed groove 6, the limiting device 9 includes a limiting plate 10 fixed on the slide 5, a limiting rod 12 is provided on the limiting plate 10, the limiting rod 12 passes through the limiting plate 10 and is slidably connected to the limiting plate 10, a limiting block 13 is fixed at one end of the limiting rod 12, a compressed spring 15 is also fixed between the limiting block 13 and the limiting plate 10, and a limiting block 13 is provided Roller 14, a push rod 16 is also fixed to the other end of the limit rod 12, and a support shaft 17 is also fixed to the slide 5 on one side of the limit plate 10, and the support shaft 17 is provided with a support tube 18 rotatably connected to the support shaft 17, and a support rod 19 is fixed to the support tube 18, and a slide groove 20 that passes through the support rod 19 is provided on the support rod 19, and the push rod 16 is arranged in the slide groove 20 and is slidably connected to the slide groove 20, and a fixing rod 21 is also fixed on the support tube 18, and guide plates 23 are symmetrically fixed on the bottom plate 1 on both sides of the slide 5, and a slide plate 27 is also provided above the bottom plate 1, and a cylinder 28 is fixed on the slide plate 27, and a slider 29 is fixed to the end of the piston rod of the cylinder 28, and a punching motor 30 is fixed on the slider 29, and a drill bit 31 is fixed at the output end of the punching motor 30.After the guide plate 23 is lifted up, the screw 3 is rotated, and the guide plate 23 is lifted up, and the screw 3 is rotated. After the guide plate 23 is lifted up, the screw 3 is rotated, and the guide plate 23 is lifted up, and the circuit board moves with the slide 5. After the roller 14 on the limit device 9 is separated from the guide plate 23, the spring 15 returns to its natural state, and the spring 15 pushes the limit block 13 to move. The limit block 13 drives the limit rod 12 to move, and the push rod 16 moves with the limit rod 12. The push rod 16 pulls the support rod 19 to rotate around the support shaft 17, and the fixed rod 21 rotates with the support tube 18. The fixed rod 21 reaches the top of the circuit board and supports the circuit board. After the four corners of the circuit board are supported by the fixed rod 21, the position to be punched on the circuit board reaches below the drill bit 31, and the cylinder 28 is started. The piston rod on the cylinder 28 extends, and the high-speed rotating drill bit 31 descends. After the drill bit 31 contacts the circuit board, it aligns with the line After the drill bit 31 is separated from the circuit board, the positioning motor 4 drives the screw rod 3 to rotate in the opposite direction, and the slide 5 moves back to the initial position. After the roller 14 on the limit device 9 contacts the guide plate 23, the front end of the guide plate 23 is an arc structure, and the roller 14 rolls on the guide plate 23, which can realize that the roller 14 pushes the limit rod 12 to move, and the push rod 16 moves with the limit rod 12. The push rod 16 pushes the support rod 19 to rotate in the opposite direction around the support shaft 17, and the fixing rod 21 returns to the initial position after separation from the circuit board. The upper end of the circuit board is not blocked, and the circuit board with the drilled hole is removed. This device can realize the punching operation of the circuit board. When the circuit board is punching, the lower end of the circuit board is placed in the fixing groove 6, and the four corners of the upper end of the circuit board are supported by the fixing rod 21, which can effectively prevent the circuit board from moving during drilling.

[0022] A limiting tube 11 is fixed on the limiting plate 10 , and a limiting rod 12 passes through the limiting tube 11 and is slidably connected to the limiting tube 11 .

[0023] Among them, the slide 5 at the bottom of the fixing groove 6 is also provided with a plurality of avoidance holes 7. The positions of the avoidance holes 7 correspond to the punching positions on the circuit board. When punching the circuit board, the bottom of the drill bit 31 extends into the avoidance holes 7, which can effectively avoid damage to the drill bit 31.

[0024] Vertical plates 32 are fixed to the base plate 1 on both sides of the slide 5. A screw 24 and a slide bar 25 are disposed between the two vertical plates 32. The screw 24 is driven to rotate by a limit motor 26. The screw 24 passes through a slide plate 27 and is threadedly connected to the slide plate 27. The slide bar 25 passes through the slide plate 27 and is slidably connected to the slide plate 27. By driving the slide 5 laterally through the screw 3 and driving the slide plate 27 longitudinally through the screw 24, the drill bit 31 can reach any position above the circuit board, enabling drilling operations at any position on the circuit board.

[0025] Example 2:

[0026] This embodiment discloses a circuit board positioning and punching tool. Based on the structure and principle of the first embodiment, the slide 5 of this embodiment is further provided with a material removal port 8 that penetrates the slide 5. When removing the circuit board, the circuit board is lifted from the material removal port 8 to facilitate removal from the fixing slot 6.

[0027] Example 3:

[0028] This embodiment discloses a circuit board positioning and punching tool. Based on the structure and principle of Embodiment 1 or Embodiment 2, this embodiment has a pressure wheel 22 at the end of a fixed rod 21. The pressure wheel 22 supports the fixed rod 21 and rolls on the surface of the circuit board, effectively preventing scratches on the circuit board.

[0029] The above description is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, various changes, modifications, replacements and variations can be made to these embodiments without departing from the technical principles of the present invention. These changes, modifications, replacements and variations should also be regarded as the scope of protection of the present invention.

Claims

1. A circuit board positioning and punching tool, comprising a base plate, characterized in that: The top of the vehicle frame is provided with a wheel assembly, and the wheel assembly is equipped with a set of wheels, which can rotate with the wheel assembly to move relative to each other, and the rotation of the wheel assembly is carried out under the action of the wheel assembly's rotation and the rotation of the wheel assembly. A push rod is also fixed on the other end, and a support shaft is also fixed on the slide platform on one side of the limit plate, and a support tube is provided on the support shaft and rotatably connected to the support shaft, and a support rod is fixed on the support tube, and a slide groove penetrating the support rod is provided on the support rod, and the push rod is arranged in the slide groove and slidably connected to the slide groove. A fixing rod is also fixed on the support tube, and guide plates are symmetrically fixed on the bottom plates on both sides of the slide, and a slide plate is also provided above the bottom plate, and a cylinder is fixed on the slide plate, and a slide block is fixed on the end of the piston rod of the cylinder, and a punching motor is fixed on the slide block, and a drill bit is fixed on the output end of the punching motor.

2. The circuit board positioning and punching tool according to claim 1, characterized in that: The limiting plate is also fixed with a limiting tube, and the limiting rod passes through the limiting tube and is slidably connected to the limiting tube.

3. The circuit board positioning and punching tool according to claim 1, characterized in that: A pressure wheel is provided at the end of the fixing rod.

4. The circuit board positioning and punching tool according to claim 1, characterized in that: A plurality of avoidance holes are also provided on the slide platform at the bottom of the fixing groove.

5. The circuit board positioning and punching tool according to claim 1, characterized in that: The slide is also provided with a material taking port which passes through the slide.

6. The circuit board positioning and punching tool according to claim 1, characterized in that: Vertical plates are fixed on the bottom plates on both sides of the slide, and a screw and a slide rod are set between the two vertical plates. The screw is driven to rotate by a limit motor, and the screw passes through the slide and is threadedly connected to the slide. The slide rod passes through the slide and is slidably connected to the slide.

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