PCB circuit board punching device

Abstract

This utility model relates to the field of PCB circuit board processing technology and discloses a PCB circuit board punching device, including a worktable. Multiple symmetrical support rods are fixedly connected to the upper surface of the worktable. A top plate is fixedly connected to the top of each support rod. Two sets of sliders, each set consisting of four sliders, are slidably connected to the support rods via sliding sleeves. Each support rod has two sliders, one above the other. A connecting plate is fixedly connected between the upper set of sliders, and a pressure plate is fixedly connected between the lower set of sliders. The pressure plate has multiple clearance holes. A horizontal plate is fixedly connected between the two sliders on the same side of the lower set. This utility model uses the pressure of the pressure plate to firmly fix the PCB circuit board within the groove, eliminating the risk of PCB circuit slippage, reducing material deformation and damage, and also reducing the risk of delamination at the hole opening, thus improving the hole wall quality.

Description

Technical Field

[0001] This utility model relates to the field of PCB circuit board processing technology, and more specifically to a PCB circuit board punching device. Background Technology

[0002] Printed circuit boards (PCBs) are the core carriers of electronic devices, used for electrical connections and mechanical support of electronic components. Holes on PCBs are key structures for achieving interlayer electrical interconnection, component pin insertion / soldering, and mechanical fixation. The machining accuracy of these holes directly affects the electrical performance, reliability, and subsequent assembly yield of the PCB. Hole machining is one of the key processes in PCB manufacturing.

[0003] A search revealed a Chinese patent with publication number CN214323594U, which discloses a high-efficiency punching machine for circuit boards. In this device, the circuit boards at the bottom of the storage frame can be pushed by a pusher plate and detached from the storage frame through the discharge port, moving to the processing area, thereby achieving automatic material feeding and improving work efficiency. However, during punching, the punch directly punches the circuit board. Since the circuit board material is relatively brittle, cracks are easily generated at the edge of the hole during the punching process, leading to damage to the circuit board. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a PCB circuit board punching device to solve the problems existing in the background art.

[0005] This utility model provides the following technical solution: a PCB circuit board punching device, including a worktable, on which a plurality of symmetrical support rods are fixedly connected to the upper surface of the worktable, and a top plate is fixedly connected to the top of the plurality of support rods. Two sets of sliders are slidably connected to the plurality of support rods through sliding sleeves, and each set has four sliders, with two on each support rod, one above the other. A connecting plate is fixedly connected between the upper set of sliders, and a pressure plate is fixedly connected between the lower set of sliders. The pressure plate has a plurality of clearance holes. A horizontal plate is fixedly connected between the two sliders on the same side of the lower set. An electric push rod is fixedly connected between the upper surface of the two horizontal plates and the lower surface of the top plate. A hydraulic cylinder for moving the connecting plate up and down is fixedly connected to the upper surface of the top plate. A plurality of punches are fixedly connected to the lower surface of the connecting plate, and the plurality of punches pass through the plurality of clearance holes respectively.

[0006] As a further embodiment of this utility model, a support platform is fixedly connected to the upper surface of the workbench and located between multiple support rods. The upper surface of the support platform is provided with a support plate for placing PCB circuit boards, and the support plate is provided with dropping holes corresponding to the positions of multiple clearance holes.

[0007] As a further embodiment of this utility model, a material discharge port for avoiding misalignment is provided on the outer wall of the top of the support platform.

[0008] As a further embodiment of this utility model, the upper surface of the carrier plate is provided with a groove for limiting the PCB circuit board, and four mutually symmetrical limiting blocks are fixedly connected to the upper surface of the carrier plate.

[0009] As a further embodiment of this utility model, a square groove is formed on the inner wall of the bottom of the groove, and a sliding plate is slidably connected in the square groove. Two symmetrical springs are fixedly connected between the lower surface of the sliding plate and the inner wall of the bottom of the square groove.

[0010] As a further embodiment of this utility model, a square frame is fixedly connected to the outer wall of the top of the support platform, and the shape of the inner wall of the square frame is consistent with the shape of the support plate.

[0011] As a further embodiment of this utility model, a debris box that works in conjunction with the material discharge port is slidably connected between the inner walls on both sides of the support platform.

[0012] The technical effects and advantages of this utility model are as follows:

[0013] 1. This utility model uses the pressure of the pressure plate to firmly fix the PCB circuit board in the groove, eliminating the risk of PCB circuit slippage, reducing material deformation and damage, and also reducing the risk of hole delamination and improving hole wall quality.

[0014] 2. This utility model, by providing a material discharge port on the support platform and a debris box inside the support platform, can collect the debris generated during punching in a concentrated manner, thus facilitating its processing.

[0015] 3. This utility model, with its spring and sliding plate, can move the PCB circuit board upward a short distance after punching, thereby removing the PCB circuit board. The structure is simple and easy to operate. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0017] Figure 2 For the present utility model Figure 1 A partially enlarged structural diagram.

[0018] Figure 3 This is a schematic diagram of the support platform structure of this utility model.

[0019] Figure 4 This is a schematic diagram of the bearing plate structure of this utility model.

[0020] The attached diagram is labeled as follows: 1. Workbench; 2. Support rod; 3. Top plate; 4. Slider; 5. Connecting plate; 6. Pressure plate; 7. Electric push rod; 8. Support platform; 9. Hydraulic cylinder; 10. Alternating hole; 11. Punch; 12. Horizontal plate; 13. Discharge port; 14. Support plate; 15. Debris box; 16. Square frame; 17. Discharge hole; 18. Square groove; 19. Slide plate; 20. Spring; 21. Limiting block; 22. Groove. Detailed Implementation

[0021] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. This utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0022] Reference Figures 1-4 This utility model provides a PCB circuit board punching device, including a workbench 1. The upper surface of the workbench 1 is fixedly connected with a plurality of symmetrical support rods 2 by bolts. The top of the plurality of support rods 2 is fixedly connected with a top plate 3 by bolts. Two sets of sliders 4 are slidably connected to the plurality of support rods 2 by sliding sleeves, and each set has four sliders. Each support rod 2 has two sliders, one above the other. The upper set of sliders 4 is fixedly connected with a connecting plate 5 by bolts. The lower set of sliders 4 is fixedly connected with a pressure plate 6 by bolts. The pressure plate 6 has a plurality of clearance holes 10. The two sliders 4 on the same side of the lower set are fixedly connected with a horizontal plate 12 by bolts. The upper surface of the two horizontal plates 12 and the lower surface of the top plate 3 are fixedly connected with an electric push rod 7 by bolts. The upper surface of the top plate 3 is fixedly connected with a hydraulic cylinder 9 that moves the connecting plate 5 up and down by bolts. The lower surface of the connecting plate 5 is fixedly connected with a plurality of punches 11 by bolts, and the plurality of punches 11 pass through the plurality of clearance holes 10 respectively.

[0023] Specifically, when punching holes in a PCB circuit board, first place the PCB circuit board in the groove 22 on the carrier plate 14, then start the electric push rod 7 to extend. During the extension of the electric push rod 7, the pressure plate 6 will move downward through the horizontal plate 12 and the slider 4 until the lower surface of the pressure plate 6 presses the PCB circuit board tightly.

[0024] After the PCB circuit board is pressed, the hydraulic cylinder 9 is activated to extend. During the extension of the hydraulic cylinder 9, the connecting plate 5 will move downward, and the punch 11 below it will move downward along the clearance hole 10 on the pressure plate 6, thereby punching the PCB circuit board.

[0025] The pressure of the pressure plate 6 firmly fixes the PCB circuit board in the groove 20, eliminating the risk of PCB circuit slippage, reducing material deformation and damage, and also reducing the risk of hole delamination and improving hole wall quality.

[0026] In this utility model, a support platform 8 is bolted to the upper surface of the workbench 1 and located between multiple support rods 2. The upper surface of the support platform 8 is provided with a support plate 14 for placing PCB circuit boards. The support plate 14 has a material drop hole 17 corresponding to the position of multiple clearance holes 10. A square frame 16 is bolted to the top outer wall of the support platform 8, and the shape of the inner wall of the square frame 16 is consistent with the shape of the support plate 14.

[0027] After punching is completed, the electric push rod 7 and hydraulic cylinder 9 are activated to retract, thereby returning the connecting plate 5 and pressure plate 6 to their initial positions, thus completing the punching operation on the PCB circuit board.

[0028] In this utility model, a material discharge port 13 for avoiding obstruction is provided on the outer wall of the top of the support platform 8, and a debris box 15 for use with the material discharge port 13 is slidably connected between the inner walls on both sides of the support platform 8.

[0029] During the punching process, the debris generated falls into the debris box 15 through the discharge hole 17 and discharge outlet 13, thereby collecting the debris in a concentrated manner.

[0030] By providing a material discharge port 13 on the support platform 8 and a debris box 15 inside the support platform 8, the debris generated by punching can be collected in a concentrated manner, thus facilitating its processing.

[0031] In this utility model, the upper surface of the support plate 14 is provided with a groove 22 for limiting the PCB circuit board, and four mutually symmetrical limiting blocks 21 are fixedly connected to the upper surface of the support plate 14 by bolts.

[0032] In this utility model, a square groove 18 is provided on the inner wall of the bottom of the groove 22. A sliding plate 19 is slidably connected in the square groove 18. Two symmetrical springs 20 are welded between the lower surface of the sliding plate 19 and the inner wall of the bottom of the square groove 18.

[0033] Specifically, during the upward movement of the pressure plate 6, the spring 20 releases its elastic force to push the slide plate 19 upward along the square groove 18, thereby lifting the PCB circuit board upward a short distance for easy removal.

[0034] With the spring 20 and the slide plate 19 provided, the PCB circuit board can be moved upward a short distance after punching, and then the PCB circuit board can be removed. The structure is simple and easy to operate.

[0035] It should be noted that the electric push rod 7 and the hydraulic cylinder 9 are existing technologies, and those skilled in the art can set them according to actual needs, which will not be elaborated here.

[0036] It should be noted that: hydraulic cylinder 9 is an actuator in the hydraulic system, which realizes the extension and retraction function by cooperating with the hydraulic system. Those skilled in the art can set it according to actual needs, which will not be elaborated here.

[0037] The use of this utility model involves the following steps:

[0038] S1: When it is necessary to punch a PCB circuit board, first place the PCB circuit board in the groove 22 on the support plate 14, then start the electric push rod 7 to extend. During the extension of the electric push rod 7, the pressure plate 6 will move downward through the horizontal plate 12 and the slider 4 until the lower surface of the pressure plate 6 presses the PCB circuit board.

[0039] S2: After the PCB circuit board is pressed, the hydraulic cylinder 9 is activated to extend. During the extension of the hydraulic cylinder 9, the connecting plate 5 will move downward, and the punch 11 below it will move downward along the clearance hole 10 on the pressure plate 6, thereby punching the PCB circuit board.

[0040] S3: After punching is completed, the electric push rod 7 and hydraulic cylinder 9 are activated to retract, so that the connecting plate 5 and pressure plate 6 return to their initial positions, thus completing the punching operation of the PCB circuit board. During the upward movement of the pressure plate 6, the spring 20 releases its elastic force to push the slide plate 19 upward along the square groove 18, thereby lifting the PCB circuit board upward a short distance for easy removal.

[0041] S4: During the punching process, the debris generated falls into the debris box 15 through the discharge hole 17 and discharge outlet 13, thereby collecting the debris in a concentrated manner.

[0042] Finally, the following points should be noted: In the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "linkage" should be interpreted broadly, and can be mechanical or electrical connection, or internal connection between two components, or direct connection. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may change.

[0043] The electronic components and modules used in this utility model can all be parts that are commonly used in the market and can achieve the specific functions in this case. The specific models and sizes can be selected and adjusted according to actual needs.

[0044] The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

Claims

1. A PCB circuit board punching device comprising a worktable (1), characterized in that: The workbench (1) has multiple symmetrical support rods (2) fixedly connected to its upper surface. The top of the multiple support rods (2) is fixedly connected to a top plate (3). Two sets of sliders (4) are slidably connected to the multiple support rods (2) through sliding sleeves. Each set has four sliders. Each support rod (2) has two sliders, one above the other. A connecting plate (5) is fixedly connected between the upper set of sliders (4). A pressure plate (6) is fixedly connected between the lower set of sliders (4). The pressure plate (6) has multiple clearance holes (10). A horizontal plate (12) is fixedly connected between the two sliders (4) on the same side of the lower set. An electric push rod (7) is fixedly connected between the upper surface of the two horizontal plates (12) and the lower surface of the top plate (3). A hydraulic cylinder (9) is fixedly connected to the upper surface of the top plate (3) to move the connecting plate (5) up and down. Multiple punches (11) are fixedly connected to the lower surface of the connecting plate (5), and the multiple punches (11) pass through the multiple clearance holes (10).

2. The PCB circuit board punch apparatus of claim 1, wherein: The workbench (1) has a support platform (8) fixedly connected to the upper surface of the workbench (1) and between multiple support rods (2). The upper surface of the support platform (8) is provided with a support plate (14) for placing PCB circuit boards. The support plate (14) has a drop hole (17) corresponding to the position of multiple clearance holes (10).

3. The PCB circuit board punch apparatus of claim 2, wherein: The top outer wall of the support platform (8) is provided with a material drop port (13) for avoiding displacement.

4. The PCB circuit board punch apparatus of claim 2, wherein: The upper surface of the carrier plate (14) is provided with a groove (22) for limiting the PCB circuit board, and four mutually symmetrical limiting blocks (21) are fixedly connected to the upper surface of the carrier plate (14).

5. The PCB circuit board punching device according to claim 4, characterized in that: The bottom inner wall of the groove (22) is provided with a square groove (18), and a sliding plate (19) is slidably connected in the square groove (18). Two symmetrical springs (20) are fixedly connected between the lower surface of the sliding plate (19) and the bottom inner wall of the square groove (18).

6. The PCB circuit board punch apparatus of claim 1, wherein: A square frame (16) is fixedly connected to the top outer wall of the support platform (8), and the shape of the inner wall of the square frame (16) is consistent with the shape of the support plate (14).

7. The PCB circuit board punch apparatus of claim 3, wherein: The inner walls on both sides of the support platform (8) are slidably connected to a debris box (15) that works in conjunction with the discharge port (13).

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