PCB cutting device

Abstract

The utility model relates to the technical field of PCB cutting, and provides a PCB cutting device which comprises a base and a fixing frame fixedly installed on the top of the base. The linear module is arranged in the fixing frame and ascends and descends through a moving mechanism arranged on the fixing frame; the cutting mechanism is arranged on the linear module; and the two groups of fixing blocks are symmetrically and fixedly mounted on two side surfaces of the linear module. The linear module and the cutting mechanism are driven to move downwards through the moving mechanism, meanwhile, the fixed block drives the movable rod and the fixed pressing plate to move downwards synchronously, the fixed pressing plate makes contact with a PCB firstly, and along with downward movement of the cutting mechanism, a spring is compressed to apply counter-acting force to the fixed pressing plate, so that the fixed pressing plate stably presses and fixes the PCB; and after cutting, the linear module moves upwards and resets, so that the fixed pressing plate is separated from the PCB, the effect of quickly fixing or releasing the fixing of the PCB is achieved, and the working efficiency and the use convenience of PCB cutting are effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of PCB board cutting technology, specifically to a PCB board cutting device. Background Technology

[0002] PCB, or Printed Circuit Board, is an important electronic component. It serves as the support for electronic components and the carrier for their electrical interconnections. Because it is manufactured using electronic printing techniques, it is called a "printed" circuit board.

[0003] A known authorized patent application with application number CN202320421764.2 discloses a PCB board cutting device. Its background art addresses the problem that "existing PCB board cutting devices generally fix one side of the PCB board with a positioning strip and then perform straight-line cutting. During the PCB board cutting process, dust is generated, polluting the environment and seriously affecting the health of operators." To address this problem, the proposed solution includes "a base, a cutting mechanism and a clamping mechanism mounted on the base, and a cover mounted on the base and enclosing the cutting mechanism and clamping mechanism; the cover is a transparent shell, with its front end hinged to the base and its rear end equipped with a flip-top plate."

[0004] However, the following problems were found in the implementation of the above technical solution: Although the provided technical solution achieves the effect of avoiding excessive dust inhalation by operators during the cutting process, it is not convenient to quickly fix and pick up the PCB board during use. Before processing, the PCB board needs to be fixed by the clamping device operated by the operator. After processing, the clamping device needs to be operated again to release the fixation and pick up the PCB board. The operation process is cumbersome and time-consuming, which can easily increase the labor intensity of the operators, thereby reducing the work efficiency and ease of use of PCB board cutting. Utility Model Content

[0005] This invention proposes a PCB board cutting device, which solves the problem of inconvenience in quickly fixing and removing PCB boards in related technologies.

[0006] The technical solution of this utility model is as follows: a PCB board cutting device, comprising: a base and a fixing frame fixedly installed on its top;

[0007] A linear module is installed inside a fixed frame, and the linear module is raised and lowered by a moving mechanism installed on the fixed frame;

[0008] A cutting mechanism mounted on the linear module;

[0009] Two sets of fixing blocks are symmetrically fixedly installed on both sides of the linear module;

[0010] A movable rod that slides through and connects to a fixed block;

[0011] A fixed pressure plate is fixedly connected to the bottom of each set of movable rods, and a rubber pad is fixedly installed on the bottom of the fixed pressure plate;

[0012] And a spring fitted onto the surface of the movable rod, the two ends of which are connected to a fixed block and a fixed pressure plate, respectively.

[0013] Preferably, the cutting mechanism includes a connecting seat fixedly mounted on the moving part of the linear module, a cutting component rotatably connected to one end of the connecting seat, and a power source provided on the connecting seat to drive the cutting component.

[0014] Preferably, the moving mechanism includes a hydraulic cylinder fixedly mounted on the top of the fixed frame, and two guide rods symmetrically fixedly mounted on the top of the linear module and sliding with the fixed frame. The output end of the hydraulic cylinder moves through the fixed frame and is connected to the linear module.

[0015] Preferably, the top side of the base is symmetrically fixedly installed on two waist-hole plates, and a material rack is fixedly installed on the top of the two waist-hole plates. A pusher plate is provided between the two waist-hole plates, and a linkage component for moving the pusher plate is provided between the pusher plate and the fixing block.

[0016] The linkage component includes a connecting shaft symmetrically rotatably connected to both sides of the pusher plate and slidingly cooperating with the waist hole plate, and a connecting rod movably connected to the end of the connecting shaft. One end of the two connecting rods is movably connected to a set of fixed blocks.

[0017] Preferably, the top of the base has a cutting groove that cooperates with the cutting mechanism, the inside of the base has a collection groove that communicates with the cutting groove, a collection shell is slidably connected in the collection groove, and the connecting seat is provided with a grinding mechanism for cleaning burrs on the cutting surface.

[0018] Preferably, the grinding mechanism includes a grinding component rotatably connected to the other end of the connecting seat, and two synchronous wheels respectively connected to the ends of the grinding component and the cutting component, wherein the two synchronous wheels are connected by a synchronous belt tensioning engagement.

[0019] The working principle and beneficial effects of this utility model are as follows:

[0020] During cutting, the moving mechanism drives the linear module and the cutting mechanism to move downwards. Simultaneously, the fixed block drives the movable rod and the fixed pressure plate to move downwards in sync, so that the fixed pressure plate first contacts the PCB board. As the cutting mechanism moves downwards, the spring compression applies a reaction force to the fixed pressure plate, allowing the fixed pressure plate to stably press and fix the PCB board. After cutting, the linear module moves upwards and resets, thereby separating the fixed pressure plate and the PCB board, allowing it to be removed from the fixture. Therefore, this method can quickly fix or de-fix the PCB board without requiring manual operation or additional kinetic energy, reducing labor intensity and operating costs, and effectively improving the efficiency and ease of use of PCB board cutting. Attached Figure Description

[0021] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0022] Figure 1 is a schematic diagram of the overall three-dimensional structure of this utility model;

[0023] Figure 2 is a partial three-dimensional structural diagram of the fixing frame of this utility model;

[0024] Figure 3 is an exploded three-dimensional structural diagram of the material rack and pusher plate of this utility model;

[0025] Figure 4 is a partial three-dimensional structural schematic diagram of the grinding mechanism of this utility model;

[0026] In the diagram: 1. Base; 2. Fixing frame; 3. Linear module; 4. Fixing block; 5. Movable rod; 6. Fixing pressure plate; 7. Spring; 8. Connecting seat; 9. Cutting part; 10. Hydraulic cylinder; 11. Guide rod; 12. Waist hole plate; 13. Material rack; 14. Push plate; 15. Connecting shaft; 16. Connecting rod; 17. Collection shell; 18. Grinding part; 19. Synchronous pulley. Detailed Implementation

[0027] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0028] Example 1

[0029] Please refer to Figures 1-4. The PCB board cutting device provided by this utility model includes: a base 1 and a fixing frame 2 fixedly installed on its top;

[0030] The linear module 3 is installed in the fixed frame 2. The linear module 3 is raised and lowered by a moving mechanism installed on the fixed frame 2. In this embodiment, the linear module 3 is preferably a lead screw module, but it can also be other types. It is not limited to one type here, and it is a mature existing technology, so it will not be described in detail here.

[0031] A cutting mechanism is mounted on the linear module 3;

[0032] Two sets of fixing blocks 4 are symmetrically fixedly installed on both sides of the linear module 3;

[0033] A movable rod 5 is slidably connected to the fixed block 4;

[0034] A fixed pressure plate 6 is fixedly connected to the bottom of each set of movable rods 5, and a rubber pad is fixedly installed on the bottom of the fixed pressure plate 6;

[0035] And a spring 7 fitted on the surface of the movable rod 5, with both ends of the spring 7 connected to the fixed block 4 and the fixed pressure plate 6 respectively.

[0036] The technical solution provided in this embodiment is as follows: During use, the PCB board is placed on the base 1. During cutting, the moving mechanism drives the linear module 3 and the cutting mechanism to move downwards. Simultaneously, the fixing block 4 drives the movable rod 5 and the fixed pressure plate 6 to move downwards synchronously, so that the fixed pressure plate 6 first contacts the PCB board. As the cutting mechanism moves downwards, the fixing block 4 moves downwards along the surface of the movable rod 5, compressing the spring 7. The spring 7 then applies a reaction force to the fixed pressure plate 6, ensuring that the fixed pressure plate 6 stably presses and fixes the PCB board, thus guaranteeing the stability of the cutting process. After the cutting mechanism contacts the PCB board, it is activated and continues to move downwards until it passes through the PCB board and stops. Simultaneously, the linear module 3 drives the cutting mechanism to move laterally, completing the PCB board cutting. After cutting, the linear module 3 moves upwards and resets, gradually weakening the pressing force of the fixed pressure plate 6 on the PCB board until the fixed pressure plate 6 and the PCB board separate, allowing for removal. Therefore, this method effectively removes the PCB board... The board can be quickly fixed or unfixed without frequent manual operation. Unlike automatic clamps, it does not require additional power components for driving, which reduces labor intensity and operating costs, and effectively improves the efficiency and ease of use of PCB board cutting.

[0037] Furthermore, the cutting mechanism includes a connecting seat 8 fixedly mounted on a moving part (i.e., a slider) of the linear module 3, a cutting element 9 rotatably connected to one end of the connecting seat 8, and a power source provided on the connecting seat 8 to drive the cutting element 9. The cutting element 9 may be a cutting disc, and the connecting seat 8 is fixedly mounted on the slider of the linear module 3.

[0038] Specifically, during cutting, the cutting component 9 is driven to rotate by a power source, and at the same time, the moving mechanism makes the cutting component 9 contact the PCB board. In conjunction with the linear module 3, the connecting seat 8 is moved, so that the cutting component 9 can complete the cutting work on the PCB board.

[0039] Furthermore, the moving mechanism includes a hydraulic cylinder 10 fixedly mounted on the top of the fixed frame 2, and two guide rods 11 symmetrically fixedly mounted on the top of the linear module 3 and sliding relative to the fixed frame 2. The output end of the hydraulic cylinder 10 moves through the fixed frame 2 and is connected to the linear module 3.

[0040] Specifically, by setting up a hydraulic cylinder 10, the linear module 3 can be driven to rise and fall, thereby driving the cutting mechanism to rise and fall, so that the cutting mechanism can cut the PCB board. At the same time, during the rising and falling of the linear module 3, the guide rod 11 can slide synchronously on the fixed frame 2, which can ensure the stability of the rising and falling of the linear module 3.

[0041] Furthermore, two waist-hole plates 12 are symmetrically fixedly installed on one side of the top of the base 1. A material rack 13 is fixedly installed on the top of the two waist-hole plates 12. A pusher plate 14 is provided between the two waist-hole plates 12. A linkage component for moving the pusher plate 14 is provided between the pusher plate 14 and the fixing block 4. The length of the waist-hole plate 12 is greater than the length of the material rack 13, that is, the two ends of the waist-hole plate 12 protrude from the material rack 13. The gap between the material rack 13 and the waist-hole plate 12 is adapted to the thickness of the PCB board. The thickness of the pusher plate 14 is adapted to the thickness of the PCB board so that the pusher plate 14 can push out only one PCB board at a time.

[0042] The linkage components include a connecting shaft 15 symmetrically rotatably connected to both sides of the pusher plate 14 and slidingly cooperating with the waist hole plate 12, and a connecting rod 16 movably connected to the end of the connecting shaft 15. One end of the two connecting rods 16 is movably connected to a set of fixed blocks 4.

[0043] Specifically, by stacking the PCBs to be cut in the rack 13, during cutting, the linear module 3 and the fixed block 4 are moved downwards via the moving mechanism, and the pusher plate 14 is moved along the perforated plate 12 via the connecting rod 16 and the connecting shaft 15. This causes one end of the pusher plate 14 to gradually slide away from the cutting area, thereby gradually opening the bottom of the rack 13. When it moves to a suitable position for cutting, the PCBs in the rack 13 fall between the two perforated plates 12, and the pusher plate 14 is on the same plane as the PCBs. After cutting, the fixed block 4 moves upwards and resets, and the pusher plate 14 is moved closer to the cutting area via the connecting rod 16 and the connecting shaft 15. This allows the pusher plate 14 to push the PCBs to be cut between the two perforated plates 12 to the cutting area. At the same time, the PCBs to be cut can push the cut PCBs to move and unload, thus realizing the PCB cutting process. The automatic loading and unloading of boards can avoid the safety risks that may arise from manual handling, thus improving safety and cutting continuity.

[0044] Furthermore, the top of the base 1 is provided with a cutting groove that cooperates with the cutting mechanism, and the inside of the base 1 is provided with a collection groove that communicates with the cutting groove. A collection shell 17 is slidably connected in the collection groove, and a handle is installed on one side of the collection shell 17.

[0045] Specifically, some of the debris generated during cutting can enter the collection groove through the cutting groove and fall into the collection shell 17 for collection. The collection shell 17 can be pulled out by holding the handle on it, making it convenient to process the debris.

[0046] Example 2

[0047] Based on Embodiment 1, in this embodiment: the connecting seat 8 is provided with a grinding mechanism for cleaning burrs on the cutting surface.

[0048] The grinding mechanism includes a grinding element 18 rotatably connected to the other end of the connecting seat 8, and two synchronous wheels 19 respectively connected to the ends of the grinding element 18 and the cutting element 9. The two synchronous wheels 19 are connected by a synchronous belt tensioning engagement. The grinding element 18 can be a grinding disc, and the thickness of the grinding element 18 and the cutting element 9 are matched, that is, the grinding element 18 is matched with the cutting gap.

[0049] The technical solution provided in this embodiment is as follows: During cutting, the cutting part 9 rotates and first contacts one side of the PCB board to cut. At the same time, the rotation of the cutting part 9 drives the synchronous wheel 19 at its end to rotate. Under the transmission action of the synchronous belt, the grinding part 18 rotates synchronously. As the cutting part 9 moves, the grinding part 18 located behind the cutting part 9 enters the cut and contacts both sides of the cutting surface. Thus, the rotating grinding part 18 can achieve the effect of grinding and cleaning the burrs on the cutting surface, which helps to ensure the smoothness and flatness of the PCB board cutting surface.

[0050] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A PCB board cutting apparatus, characterized by, The utility model relates to a cutting device for cutting material, which comprises: a base (1) and a fixed frame (2) fixedly installed on the top of the base (1); a linear module (3) arranged in the fixed frame (2), the linear module (3) being lifted and lowered by a moving mechanism arranged on the fixed frame (2); a cutting mechanism arranged on the linear module (3); two groups of fixed blocks (4) symmetrically and fixedly installed on the two side faces of the linear module (3); a movable rod (5) slidably connected to the fixed blocks (4); a fixed pressing plate (6) fixedly connected to the bottom end of each group of movable rods (5), the bottom of the fixed pressing plate (6) being fixedly installed with a rubber pad; and a spring (7) sleeved on the surface of the movable rod (5), the two ends of the spring (7) being connected with the fixed blocks (4) and the fixed pressing plate (6) respectively.

2. The PCB cutting apparatus of claim 1, wherein, The cutting mechanism comprises a connecting seat (8) fixedly installed on the moving part of the linear module (3), a cutting piece (9) rotatably connected to one end of the connecting seat (8), and a power source arranged on the connecting seat (8) and driving the cutting piece (9).

3. The PCB cutting apparatus of claim 1, wherein, The moving mechanism comprises a hydraulic cylinder (10) fixedly installed on the top of the fixed frame (2), and two guide rods (11) symmetrically and fixedly installed on the top of the linear module (3) and slidably connected with the fixed frame (2), the output end of the hydraulic cylinder (10) being movably arranged through the fixed frame (2) and the linear module (3).

4. The PCB cutting apparatus of claim 1, wherein, The top of the base (1) is symmetrically fixedly installed with two waist hole plates (12), the top of the two waist hole plates (12) being jointly fixedly installed with a material rack (13), a material pushing plate (14) being arranged between the two waist hole plates (12), and a linkage component for moving the material pushing plate (14) being arranged between the material pushing plate (14) and the fixed blocks (4).

5. The PCB cutting apparatus of claim 4, wherein, The linkage component comprises connecting shafts (15) symmetrically and rotatably connected to the two side faces of the material pushing plate (14) and slidably matched with the waist hole plates (12), and connecting rods (16) movably connected to the end portions of the connecting shafts (15), one end of each of the two connecting rods (16) being movably connected with one group of fixed blocks (4).

6. The PCB cutting apparatus of claim 2, wherein, The top of the base (1) is provided with a cutting groove matched with the cutting mechanism, the inside of the base (1) is provided with a collecting groove in communication with the cutting groove, a collecting shell (17) is slidably connected in the collecting groove, and the connecting seat (8) is provided with a polishing mechanism for cleaning burrs on the cutting surface.

7. The PCB cutting apparatus of claim 6, wherein, The polishing mechanism comprises a polishing piece (18) rotatably connected to the other end of the connecting seat (8), and two synchronous wheels (19) connected to the end portions of the polishing piece (18) and the cutting piece (9) respectively, the two synchronous wheels (19) being connected through a synchronous belt in tension.

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