Punching machine for processing circuit board

Abstract

The utility model discloses a punching machine for processing a circuit board, which belongs to the technical field of circuit board processing and comprises a workbench, three vertical plates are fixedly arranged on the surface of the workbench, L-shaped pressing plates are movably arranged on two mutually connected vertical plates through first screw rods and first sliding grooves, a first telescopic rod is fixedly arranged on the inner wall of the other vertical plate, and a second telescopic rod is fixedly arranged on the inner wall of the other vertical plate. A movable block is fixedly arranged at the telescopic end of the first telescopic rod, the movable block is provided with a movable pressing plate through an adjusting assembly, the L-shaped pressing plate and the movable pressing plate can play a role in clamping and fixing the circuit board body and the mold, a net plate is arranged on the table top of the workbench and communicates with a waste box through a material receiving hopper, a top plate is fixedly arranged on one vertical plate, and the top plate is fixedly arranged on the other vertical plate. A second lead screw and a second sliding groove are arranged below the top plate, a connecting plate is slidably arranged on the second lead screw and the second sliding groove, a third lead screw is rotatably arranged at the bottom end of the connecting plate, a second telescopic rod is slidably arranged on the third lead screw, and a punching needle is fixedly arranged at the telescopic end of the bottom of the second telescopic rod.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board processing, in particular to a punching machine for circuit board processing. Background Art

[0002] Circuit boards, also known as printed circuit boards (PCBs), are an integral part of electronic devices. Composed primarily of an insulating substrate, conductive circuits, and components, they connect and support electronic components. The manufacturing process for circuit boards is complex and meticulous, requiring multiple steps, including selecting the appropriate insulating substrate material, coating the substrate with a conductive material, transferring the designed circuit pattern to the substrate through processes like photolithography and etching, and finally, drilling, soldering, and testing to create a complete circuit board.

[0003] In the processing and punching operation of the circuit board, a punching machine is required to support and fix the circuit board during the process of the circuit board processing and punching. The patent number is CN215835610U, and the name is a prior art based on a balanced punching device for PCB circuit board processing. This balanced punching device for PCB circuit board processing, when the punching needle punches the PCB circuit board, the PCB circuit board is placed on the top of the mold plate, and elastic glue is provided around the mold holes. According to the distribution of the mold holes, elastic glue is added to the parts with dense punching holes to improve the stripping balance, reduce the copper warping phenomenon of the PCB circuit board, reduce the number of mold needle breakage and the frequency of mold repair, and improve the soldering effect.

[0004] However, the mold mentioned in the above application is of fixed specifications and is not applicable to molds of different specifications and sizes. It cannot be adjusted according to different mold specifications to achieve adjustable clamping and fixation of the mold and the circuit board. In addition, a large amount of waste will be generated during the punching process, which will accumulate on the desktop and affect work efficiency. The punching needle cannot be freely adjusted in the parallel direction according to the hole position of the mold. Utility Model Content

[0005] In order to solve the technical problems mentioned in the above application that the mold has fixed specifications and is not suitable for molds of different specifications and sizes, and cannot be adjusted according to different mold specifications to achieve adjustable clamping and fixation of the mold and circuit board, and a large amount of waste is generated during the punching process, which accumulates on the desktop and affects work efficiency, and the punching needle cannot be freely adjusted in the parallel direction according to the hole position of the mold, the utility model provides a punching machine for circuit board processing.

[0006] A punching machine for processing circuit boards includes a workbench, three vertical plates are fixedly provided on the workbench desktop, two of which are connected to each other and are movably provided with L-shaped pressure plates through a first screw rod and a first slide groove, a first telescopic rod is fixedly provided on the inner wall of the other vertical plate, a movable block is fixedly provided at the telescopic end of the first telescopic rod, and the movable block is provided with a movable pressure plate through an adjustment component, the L-shaped pressure plate and the movable pressure plate can clamp and fix the circuit board body and the mold, a mesh plate is provided on the workbench desktop, the mesh plate is connected to the waste box through a material receiving funnel, a top plate is fixedly provided on one of the vertical plates, a second screw rod and a second slide groove are provided below the top plate, a connecting plate is slidably provided on the second screw rod and the second slide groove, a third screw rod is rotatably provided on the bottom end of the connecting plate, a second telescopic rod is slidably provided on the third screw rod, and a punching needle is fixedly provided at the bottom telescopic end of the second telescopic rod.

[0007] More preferably, an open slot is provided on the workbench table, a mesh plate is fixedly arranged at the top of the open slot, and is a mesh plate with a plurality of apertures, a receiving funnel is fixedly arranged on the bottom wall of the mesh plate, and a discharge pipe is provided at its bottom outlet, and the waste box can be movably placed under the discharge pipe.

[0008] More preferably, a groove is provided at the connection of the two vertical plates connected to each other, a first motor is provided inside the groove through a mounting frame, a first slide groove is fixedly provided at the other end of the two vertical plates, the groove and the first slide groove are both perpendicular to the workbench table top, the first screw rod is rotatably provided inside the groove and is fixedly connected to the output end of the first motor, and the L-shaped pressure plate is slidably provided on the first screw rod and the first slide groove.

[0009] More preferably, the inner wall of the vertical plate located in the middle is also provided with a horizontal limit groove, the movable block can slide on the limit groove, a cavity is provided inside the movable block, a plurality of through grooves are provided on the top wall of the cavity, a plurality of third vertical sliding grooves are provided on the side wall of the cavity, and a movable plate fixedly connected to the movable pressure plate through a connecting block is provided inside the cavity, and the connecting block and the movable plate can move up and down in the third sliding groove respectively.

[0010] More preferably, the adjustment assembly includes a plurality of vertical rods, springs are arranged around the periphery of the plurality of vertical rods, the bottom ends of the plurality of vertical rods are fixedly connected to the top wall of the movable plate, and pull rods are fixedly arranged at the top ends of the plurality of vertical rods through the through slots and connected to each other.

[0011] More preferably, the top wall and side walls of the top plate are respectively provided with a control panel and a second motor, the second screw rod is provided at the output end of the second motor, and is rotatably provided in the lower groove of the top plate.

[0012] More preferably, a third motor is provided on the outer wall of the connecting plate, a third screw rod is provided on the output end of the third motor, a movable seat is slidably provided on the outer wall of the third screw rod, and the second telescopic rod is fixedly provided on the bottom wall of the movable seat.

[0013] More preferably, the control panel is electrically connected to the first telescopic rod, the second telescopic rod, the first motor, the second motor, and the third motor.

[0014] Compared with the prior art, the beneficial effects of the present invention are: the first telescopic rod can be adaptively adjusted according to the different widths of the circuit board and the template, and the first screw rod can be adaptively adjusted according to the different thicknesses of the circuit board using the L-shaped pressure plate and the movable pressure plate to achieve a clamping and fixing effect; according to the punching scheme preset by the control panel according to the molds of different specifications, the second screw rod, the third screw rod and the second telescopic rod can be controlled to cooperate with each other to realize automatic punching; the waste generated by punching falls onto the mesh plate, and falls along the mesh plate into the material receiving funnel below, and then is uniformly collected in the waste box, avoiding the accumulation of waste on the desktop and affecting the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the right side structure of the utility model;

[0017] Figure 3 This is a top sectional view of the movable block 8 of the present utility model;

[0018] Figure 4 This is a top sectional view of the L-shaped pressing plate 5 of the present invention;

[0019] Figure 5 This is a schematic diagram of part structure A of the utility model;

[0020] Figure 6 This is a schematic diagram of part structure B of the utility model;

[0021] Figure 7 This is a schematic diagram of part structure C of the utility model;

[0022] Figure 8 This is a schematic diagram of part structure D of the utility model.

[0023] In the figure: 1. workbench; 2. vertical plate; 3. first screw rod; 4. first slide; 5. L-shaped pressure plate; 6. screen plate; 7. first telescopic rod; 8. movable block; 9. adjustment assembly; 10. movable pressure plate; 11. circuit board body; 12. mold; 13. material receiving funnel; 14. waste box; 15. top plate; 16. second screw rod; 17. second slide; 18. connecting plate; 19. third screw rod; 20. second telescopic rod; 21. punching needle; 22. opening slot; 23. discharge pipe; 24. groove; 25. first motor; 26. limit slot; 27. cavity; 28. connecting block; 29. ​​movable plate; 30. vertical rod; 31. spring; 32. pull rod; 33. through slot; 34. third slide; 35. control panel; 36. second motor; 37. third motor; 38. movable seat. DETAILED DESCRIPTION

[0024] In order to help those skilled in the art better understand the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0025] It should be noted that the terms "first," "second," and the like in the specification and claims of the present invention and the accompanying drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate for the embodiments of the present invention described herein. In addition, the terms "including" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to these processes, methods, products, or apparatuses.

[0026] In this utility model, terms such as "upper," "lower," "left," "right," "front," "back," "top," "bottom," "inner," "outer," "center," "vertical," "horizontal," "transverse," and "longitudinal" indicate positions or locations based on the positions or locations shown in the accompanying drawings. These terms are primarily intended to better describe the utility model and its embodiments and are not intended to limit the devices, elements, or components indicated to having a specific orientation, or to being constructed or operated in a specific orientation.

[0027] Furthermore, some of the above terms may be used to express other meanings besides orientation or positional relationships. For example, the term "on" may also be used in certain circumstances to indicate a dependency or connection. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances. Furthermore, the term "plurality" should mean two or more.

[0028] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. Figures 1-8 The present invention is described in detail with reference to the embodiments.

[0029] A punching machine for processing circuit boards includes a workbench 1, on the desktop of the workbench 1, three vertical boards 2 are fixedly arranged, two of the vertical boards 2 are fixedly connected to each other vertically, and a groove 24 is provided at the connection between the two vertical boards 2 connected to each other, a first screw rod 3 is rotatably arranged inside the groove 24, a first motor 25 is arranged inside the groove 24 through a mounting frame, and a first slide groove 4 is fixedly arranged at the other end of the two vertical boards 2, the groove 24 and the first slide groove 4 are both arranged in a vertical direction to the desktop of the workbench 1, the first screw rod 3 is rotatably arranged inside the groove 24, and is fixedly connected to the output end of the first motor 25, and an L-shaped pressing plate 5 is slidably arranged on the first screw rod 3 and the first slide groove 4.

[0030] Adaptive adjustment is made by adjusting the L-shaped pressing plate according to the thickness of the circuit board and the mold, and the first motor 25 is started to drive the first screw rod 3 to rotate, so that the middle of the L-shaped pressing plate can move up and down, and at the same time drive the other two ends to move up and down synchronously along the first slide groove 4 to adjust the distance from the L-shaped pressing plate to the table top of the workbench 1.

[0031] A first telescopic rod 7 is fixed to the inner wall of the other vertical plate 2. A movable block 8 is fixed to the telescopic end of the first telescopic rod 7. The first telescopic rod 7 can move the movable block 8 away from or closer to the outside of the mold and circuit board to meet the clamping requirements of different lengths. The movable block 8 is connected to a movable pressure plate 10 through an adjustment assembly 9. The L-shaped pressure plate 5 and the movable pressure plate 10 clamp and secure the circuit board body 11 and mold 12.

[0032] The inner wall of the central vertical plate 2 is also provided with a horizontal retaining groove 26, on which the movable block 8 can slide. Driven by the first telescopic rod 7, the movable block 8 moves within the retaining groove 26, enhancing stability and directional guidance. The movable block 8 is internally provided with a cavity 27. The top wall of cavity 27 is provided with a plurality of through grooves 33. The side walls of cavity 27 are provided with a plurality of vertical third grooves 34. Two of the third grooves 34 are provided on the inner wall of cavity 27, allowing the movable block 29 to move up and down within the constraints of the third grooves 34. The other two third grooves 34 are provided through the side walls of cavity 27, allowing the connecting block 28 to move up and down along the third grooves 34.

[0033] A movable plate 29 is provided inside the cavity 27 and is fixedly connected to the movable pressure plate 10 via a connecting block 28. The adjusting assembly 9 includes a plurality of vertical rods 30. Springs 31 are arranged around the outer periphery of the plurality of vertical rods 30. The bottom ends of the plurality of vertical rods 30 are fixedly connected to the top wall of the movable plate 29, and pull rods 32 are fixedly provided at the top ends of the plurality of vertical rods 30 through through slots 33 and are connected to each other.

[0034] Pull the pull rod 32 to move the vertical rod 30 upward along the through slot 33. At this time, the spring 31 is in a compressed state and the movable pressure plate 10 is above the circuit board. After the movable block 8 is in contact and fixed with the mold and the side wall of the circuit board, release the pull rod 32. Under the rebound action of the spring 31, the movable pressure plate 10 moves downward and tightly fixes the upper surface of the circuit board.

[0035] After the mold and circuit board are fixedly clamped, the punching needle 21 can be moved to punch the circuit board. Since a top plate 15 is fixedly mounted on one of the two interconnected vertical plates 2, a control panel 35 and a second motor 36 are respectively mounted on the top wall and side walls of the top plate 15. A second screw rod 16 and a second chute 17 are disposed below the top plate 15. The second screw rod 16 is disposed at the output end of the second motor 36 and is rotatably mounted in the lower groove of the top plate 15. A connecting plate 18 is slidably mounted on the second screw rod 16 and the second chute 17.

[0036] According to the mold punching position preset on the control panel 35, the punching movement trajectory of the punching needle 21 is controlled, and the second motor 36 is started to drive the second screw rod 16 to rotate, thereby driving the connecting plate 18 to move, and at the same time driving the other end of the movable plate 18 to move along the second slide groove 17.

[0037] A third screw rod 19 is rotatably mounted on the bottom end of the connecting plate 18. A third motor 37 is mounted on the outer wall of the connecting plate 18. The third screw rod 19 is mounted at the output end of the third motor 37. Starting the third motor 37 drives the third screw rod 19 to rotate. A movable seat 38 is slidably mounted on the outer wall of the third screw rod 19. The second telescopic rod 20 is fixedly mounted on the bottom wall of the movable seat 38. A punching needle 21 is fixedly mounted on the bottom telescopic end of the second telescopic rod 20. When the third screw rod 19 rotates, the movable seat 38 can move left and right along the direction of the third screw rod 19, thereby adjusting the punching position of the punching needle 21. The second telescopic rod 20 can move up and down to adjust the punching distance according to the thickness of the circuit board.

[0038] A mesh plate 6 is provided on the desktop of the workbench 1, and the mesh plate 6 is communicated with the waste box 14 through the material receiving funnel 13. An open slot 22 is provided on the desktop of the workbench 1. The mesh plate 6 is fixedly set at the top of the open slot 22 and is a mesh plate with several apertures. The material receiving funnel 13 is fixedly set on the bottom wall of the mesh plate 6, and a discharge pipe 23 is provided at its bottom outlet. The waste box 14 is movably placed below the discharge pipe 23.

[0039] The waste generated during punching splashes onto the screen plate 6 and falls along the aperture inside the screen plate 6 into the receiving funnel 13 below, and is discharged into the waste box 14 along the discharge pipe 23 for unified collection.

[0040] The control panel 35 is electrically connected to the first telescopic rod 7, the second telescopic rod 20, the first motor 25, the second motor 36, and the third motor 37. The entire punching process can be preset on the system inside the control panel 35, and the control panel 35 provides overall instructions and control for the operation to achieve automated punching.

[0041] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A punching machine for processing circuit boards, comprising a workbench (1), characterized in that: Three vertical plates (2) are fixedly arranged on the desktop of a workbench (1), wherein two vertical plates (2) connected to each other are movably provided with L-shaped pressing plates (5) through a first screw rod (3) and a first slide groove (4), a first telescopic rod (7) is fixedly arranged on the inner wall of another vertical plate (2), a movable block (8) is fixedly arranged at the telescopic end of the first telescopic rod (7), and a movable pressing plate (10) is arranged on the movable block (8) through an adjustment component (9), and the L-shaped pressing plate (5) and the movable pressing plate (10) can play a clamping and fixing role on the circuit board body (11) and the mold (12), and the desktop of the workbench (1) A mesh plate (6) is arranged on the top, and the mesh plate (6) is communicated with the waste box (14) through a material receiving funnel (13). A top plate (15) is fixedly arranged on one of the vertical plates (2), a second screw rod (16) and a second slide groove (17) are arranged below the top plate (15), a connecting plate (18) is slidably arranged on the second screw rod (16) and the second slide groove (17), a third screw rod (19) is rotatably arranged at the bottom end of the connecting plate (18), a second telescopic rod (20) is slidably arranged on the third screw rod (19), and a punching needle (21) is fixedly arranged at the bottom telescopic end of the second telescopic rod (20).

2. A punching machine for processing circuit boards according to claim 1, characterized in that: An open slot (22) is arranged on the tabletop of the workbench (1); a mesh plate (6) is fixedly arranged at the top of the open slot (22) and is a mesh plate with a plurality of apertures; a receiving funnel (13) is fixedly arranged on the bottom wall of the mesh plate (6) and a discharge pipe (23) is arranged at the bottom outlet thereof; and a waste box (14) is movably placed below the discharge pipe (23).

3. A punching machine for processing circuit boards according to claim 1 or 2, characterized in that: A groove (24) is provided at the connection of the two vertical plates (2) connected to each other, a first motor (25) is provided inside the groove (24) through a mounting frame, a first slide groove (4) is fixedly provided at the other end of the two vertical plates (2), the groove (24) and the first slide groove (4) are both vertically arranged on the tabletop of the workbench (1), a first screw rod (3) is rotatably arranged inside the groove (24) and is fixedly connected to the output end of the first motor (25), and an L-shaped pressing plate (5) is slidably arranged on the first screw rod (3) and the first slide groove (4).

4. A punching machine for processing circuit boards according to claim 3, characterized in that: The inner wall of the vertical plate (2) located in the middle is also provided with a horizontal limit groove (26), the movable block (8) can slide on the limit groove (26), a cavity (27) is provided inside the movable block (8), a plurality of through grooves (33) are provided on the top wall of the cavity (27), a plurality of third slide grooves (34) are provided on the side wall of the cavity (27), a movable plate (29) fixedly connected to the movable pressing plate (10) via a connecting block (28) is provided inside the cavity (27), and the connecting block (28) and the movable plate (29) can move up and down in the third slide groove (34) respectively.

5. A punching machine for processing circuit boards according to claim 4, characterized in that: The adjustment assembly (9) comprises a plurality of vertical rods (30), each of which is provided with a spring (31) around its periphery, the bottom ends of each of which are fixedly connected to the top wall of the movable plate (29), and the top ends of each of which are connected and fixedly provided with a pull rod (32) passing through a through slot (33) to each other.

6. A punching machine for processing circuit boards according to claim 5, characterized in that: A control panel (35) and a second motor (36) are respectively arranged on the top wall and the side wall of the top plate (15); the second screw rod (16) is arranged at the output end of the second motor (36) and is rotatably arranged in the lower groove of the top plate (15).

7. A punching machine for processing circuit boards according to claim 6, characterized in that: A third motor (37) is arranged on the outer wall of the connecting plate (18), a third screw rod (19) is arranged at the output end of the third motor (37), a moving seat (38) is slidably arranged on the outer wall of the third screw rod (19), and a second telescopic rod (20) is fixedly arranged on the bottom wall of the moving seat (38).

8. A punching machine for processing circuit boards according to claim 6, characterized in that: The control panel (35) is electrically connected to the first telescopic rod (7), the second telescopic rod (20), the first motor (25), the second motor (36), and the third motor (37).

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