Plate cutting device

Abstract

The utility model discloses a plate cutting device, and belongs to the field of plate processing machinery. According to the technical scheme, the plate cutting device comprises a machine body, a bearing frame is arranged in the machine body, a cutting mechanism is arranged on one side of the upper end of the bearing frame, a moving mechanism is arranged on one side of the lower end in the machine body, a first screw rod is arranged on the moving mechanism, and a transmission mechanism is arranged at the other end of the first screw rod. And a dust collection mechanism is arranged on one side of the machine body. According to the plate cutting device, the automatic wood chip cleaning function can be achieved, point-to-point wood chip cleaning is achieved in the plate cutting process of the cutting knife, the situation that the surrounding environment is polluted by wood chips generated in the plate cutting process is avoided, and the environmental protection property and convenience of the plate cutting device can be effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of plate processing machinery, and in particular relates to a plate cutting device. Background Art

[0002] The application of boards is relatively wide. Boards can be used in furniture manufacturing, construction industry, processing industry, etc. When boards are used, they need to be cut into the required size by a board cutting machine. The board cutting machine is able to cut boards through mechanical automation, which can save manual cutting procedures, reduce labor intensity, and improve board cutting efficiency. Board cutting devices will produce more wood chips during the cutting process, which are not easy to clean and will cause pollution to the surrounding environment.

[0003] The existing board cutting device does not have a dust suction function, and the wood chips generated during the board cutting process cannot be cleaned up in time, thereby reducing the convenience of the board cutting device, so it needs to be improved. Utility Model Content

[0004] The utility model provides a plate cutting device to solve at least one of the above technical problems.

[0005] The technical solution adopted by the utility model is:

[0006] A plate cutting device comprises a body, a carrier is arranged in the body, a cutting mechanism is arranged on one side of the upper end of the carrier, a moving mechanism is arranged on one side of the lower end of the body, a first screw is arranged on the moving mechanism, a transmission mechanism is arranged on the other end of the first screw, and a dust collecting mechanism is arranged on one side of the body;

[0007] The cutting mechanism is provided with a rotating shaft, which is rotatably sleeved on the upper end of the supporting frame, and a cutting knife is fixedly sleeved on the middle part of the rotating shaft. A long strip opening is opened in the middle part of the upper end of the machine body, and the cutting knife is located in the long strip opening. The first screw is rotatably connected in the machine body, and the other end of the first screw is rotatably sleeved on one side of the machine body. A first threaded sleeve is threadedly sleeved on the first screw, and the first threaded sleeve is fixedly connected to the middle part of the lower end of the supporting frame.

[0008] Preferably, support plates are fixed on both sides of the upper end of the machine body, and an equipment box is commonly fixed at the upper ends of the two support plates. The transmission mechanism is provided with a second screw, and the second screw is rotatably connected in the equipment box. A second threaded sleeve is threadedly sleeved on the second screw, and a slider is fixed to the lower end of the second threaded sleeve. A sliding opening is opened at the lower end of the equipment box, and the slider is slidably sleeved in the sliding opening. A dust hood is provided on the dust suction mechanism, and the dust hood is fixedly connected to the lower end of the slider, and the dust hood is correspondingly arranged above the cutting knife.

[0009] Preferably, in order to provide power for the rotation of the cutting knife, the cutting mechanism includes a motor fixedly mounted on one side of the upper end of the carrier frame, the end of the output shaft of the motor is fixedly connected to a driving bevel gear, one side of the driving bevel gear is meshed with a transmission bevel gear, and the transmission bevel gear is fixedly sleeved on the rotating shaft.

[0010] Preferably, in order to provide power for the movement of the cutting knife, the moving mechanism includes a servo motor fixedly mounted on one side of the lower end of the machine body, the end of the output shaft of the servo motor is fixedly connected to a driving gear, the upper end of the driving gear is meshed with a transmission gear, and the transmission gear is fixedly sleeved on one end of the first screw.

[0011] Preferably, in order to keep the carrier moving horizontally, sleeves are fixed in the middle of both sides of the carrier, cross bars are slidably sleeved in the two sleeves, and the two ends of the two cross bars are respectively fixedly connected to the opposite inner walls of the body.

[0012] Preferably, in order to provide power for the rotation of the second screw while the first screw rotates, the transmission mechanism includes a driving gear fixedly connected to the other end of the first screw, the driving gear is located on the other side of the machine body, and a driven gear is connected to the top of the driving gear through a chain drive. The other end of the second screw passes through the other side of the equipment box and is fixedly connected to the middle of one side of the driven gear.

[0013] Preferably, in order to provide suction to the dust hood so that the dust hood can promptly suck the wood chips generated during the board cutting process into the dust suction device for cleaning, the dust suction mechanism includes a dust suction device arranged on one side of the machine body, and the dust suction device is provided with a telescopic tube, one end of the telescopic tube passes through one of the support plates and is arranged on one side of the dust hood.

[0014] Preferably, in order to press and fix the plate and prevent the plate from moving during the cutting process, two vertical screws are rotatably connected to both sides of the upper end of the body, handles are provided at the upper ends of the four vertical screws, pressing plates are threadedly sleeved on the four vertical screws, and the four pressing plates are respectively arranged on both sides of the long strip mouth, and vertical rods are slidably sleeved on both sides of the four pressing plates, and the lower ends of the eight vertical rods are fixedly connected to the upper end of the body.

[0015] Due to the adoption of the above technical solution, the beneficial effects achieved by the utility model are as follows:

[0016] 1. In the present application, by using a moving mechanism, a transmission mechanism and a dust suction mechanism, when the cutting knife is cutting the plate, the dust suction hood can clean up the wood chips generated in the process of cutting the plate, and the dust suction hood can move synchronously with the cutting knife to realize point-to-point dust suction processing, which can timely and effectively clean up the wood chips generated in the process of cutting the plate, thereby improving the environmental protection and convenience of the plate cutting device.

[0017] 2. By using the vertical screw and the pressing plate, the plate can be pressed and fixed when cutting the plate to prevent the plate from moving during the cutting process, which can effectively ensure the stability of the plate cutting device when cutting the plate and ensure the cutting effect of the plate;

[0018] To sum up, the utility model can enable the board cutting device to have the function of automatically cleaning wood chips. During the process of the cutting knife cutting the board, point-to-point wood chip cleaning can be achieved, thereby avoiding the wood chips generated during the board cutting process from polluting the surrounding environment, and can effectively improve the environmental protection and convenience of the board cutting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a connection structure diagram of a plate cutting device proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of a plate cutting device proposed by the utility model;

[0021] Figure 3 This is an enlarged view of point A of a plate cutting device proposed by the utility model;

[0022] Figure 4 This is an enlarged view of point B of a plate cutting device proposed by the utility model.

[0023] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0024] In the attached picture:

[0025] 1. Machine body; 2. Servo motor; 3. Driving gear; 4. Transmission gear; 5. First screw; 6. First threaded sleeve; 7. Carrying frame; 8. Sleeve; 9. Crossbar; 10. Motor; 11. Driving bevel gear; 12. Transmission bevel gear; 13. Rotating shaft; 14. Cutting knife; 15. Support plate; 16. Equipment box; 17. Second screw; 18. Driven gear; 19. Chain; 20. Driving gear; 21. Second threaded sleeve; 22. Slider; 23. Dust hood; 24. Telescopic tube; 25. Dust collection device; 26. Handle; 27. Vertical screw; 28. Press plate; 29. ​​Vertical rod. DETAILED DESCRIPTION

[0026] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0028] In addition, in the description of the present invention, it should be understood that the terms "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "implementation method", "example", "one embodiment", "example" or "specific example" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0031] Reference Figure 1-4 A plate cutting device includes a body 1, which is a device carrier for cutting plates. Through the operation of various components on the body 1, the purpose of automatically cutting the plates can be achieved, which can effectively improve the cutting efficiency of the plates. Two vertical screws 27 are rotatably connected to both sides of the upper end of the body 1. The upper ends of the four vertical screws 27 are provided with handles 26. The four vertical screws 27 are threadedly sleeved with pressing plates 28. The four pressing plates 28 are respectively arranged on both sides of the long strip mouth. The vertical screw 27 is a rod with an external thread on the surface. The handle 26 can be used to facilitate The vertical screw 27 is driven to rotate. The rotation of the vertical screw 27 will push the pressing plate 28 to rise and fall. The descent of the pressing plate 28 will press and fix the plate placed on the upper end of the body 1 to prevent the plate from moving during the cutting process, effectively ensuring the stability of the plate during the cutting process. The two sides of the four pressing plates 28 are slidably sleeved with vertical rods 29, and the lower ends of the eight vertical rods 29 are fixedly connected to the upper end of the body 1. When the pressing plate 28 is pushed to rise and fall, it will slide on the vertical rods 29. The rotation of the pressing plate 28 can be limited by the vertical rods 29 to prevent the pressing plate 28 from rotating when the vertical screw 27 rotates.

[0032] Reference Figure 1-3A carrier 7 is provided in the machine body 1. A sleeve 8 is fixed in the middle of both sides of the carrier 7. A cross bar 9 is slidably sleeved in the two sleeves 8. The two ends of the two cross bars 9 are respectively fixedly connected to the opposite inner walls of the machine body 1. The carrier 7 is used to carry some components. The movement of the carrier 7 can drive the carried components to move. The movement of the carrier 7 will drive the two sleeves 8 to slide on the two cross bars 9. The structure of the two cross bars 9 and the two sleeves 8 can limit the lifting of the carrier 7, so that the carrier 7 can maintain horizontal movement during movement. A cutting mechanism is provided on one side of the upper end of the carrier 7. A rotating shaft 13 is provided, and the rotating shaft 13 is rotatably sleeved on the upper end of the carrier 7. A cutting knife 14 is fixedly sleeved on the middle part of the rotating shaft 13. The rotating shaft 13 can be driven to rotate by the operation of the cutting mechanism. The rotation of the rotating shaft 13 will drive the cutting knife 14 to rotate. The cutting knife 14 is a tool for cutting the plate. When the cutting knife 14 rotates and contacts with the plate, it will cut the plate. A long strip opening is opened in the middle part of the upper end of the body 1, and the cutting knife 14 is located in the long strip opening. The upper end of the cutting knife 14 can be located at the upper end of the body 1 through the long strip opening, so that the cutting knife 14 can cut the plate at the upper end of the body 1.

[0033] Reference Figure 1-3 The cutting mechanism includes a motor 10 fixedly mounted on one side of the upper end of the carrier 7, and a driving bevel gear 11 is fixedly connected to the end of the output shaft of the motor 10. The motor 10 is connected to the supporting parts for stable operation, and can be programmed for automatic operation. The operation of the motor 10 will drive the driving bevel gear 11 to rotate, and a transmission bevel gear 12 is meshed on one side of the driving bevel gear 11. The transmission bevel gear 12 is fixedly sleeved on the rotating shaft 13. The rotation of the driving bevel gear 11 will push the transmission bevel gear 12 to rotate, and the rotation of the transmission bevel gear 12 will drive the rotating shaft 13 to rotate. The rotation of the rotating shaft 13 will drive the cutting knife 14 to rotate, and the cutting knife 14 will contact the plate when it rotates to cut the plate.

[0034] Reference Figure 1 , 2A moving mechanism is provided on one side of the lower end of the machine body 1, and a first screw rod 5 is provided on the moving mechanism. The first screw rod 5 is rotatably connected in the machine body 1, and the other end of the first screw rod 5 is rotatably sleeved on one side of the machine body 1. The first screw rod 5 is a rod with an external thread on the surface, and the first screw rod 5 can be driven to rotate through the operation of the moving mechanism. A first threaded sleeve 6 is threadedly sleeved on the first screw rod 5, and the first threaded sleeve 6 is fixedly connected to the middle part of the lower end of the carrier frame 7. The first threaded sleeve 6 is a component with an internal thread inside. The first threaded sleeve 6 can be pushed to move by the rotation of the first screw rod 5, and the movement of the first threaded sleeve 6 will drive the carrier frame 7 to move. The moving mechanism includes a fixed installation A servo motor 2 is installed on one side of the lower end of the machine body 1, and the end of the output shaft of the servo motor 2 is fixedly connected to a driving gear 3, and the upper end of the driving gear 3 is meshed with a transmission gear 4, and the transmission gear 4 is fixedly sleeved on one end of the first screw 5. The servo motor 2 and the supporting parts are connected to facilitate stable operation, and the program can be set for automatic operation. The operation of the servo motor 2 will drive the driving gear 3 to rotate, and the driving gear 3 will push the transmission gear 4 to rotate. The rotation of the transmission gear 4 will drive the first screw 5 to rotate, and the first screw 5 will push the first threaded sleeve 6 to move, and the first threaded sleeve 6 drives the carrier frame 7 to move, and the carrier frame 7 drives the cutting knife 14 to move, and the movement of the cutting knife 14 will cut the plate.

[0035] Reference Figure 1 , 2, a transmission mechanism is provided at the other end of the first screw 5. When the first screw 5 pushes the first threaded sleeve 6 to move, the first screw 5 will drive the transmission mechanism to operate synchronously. Support plates 15 are fixed on both sides of the upper end of the body 1. The upper ends of the two support plates 15 are jointly fixed with a device box 16. The device box 16 is used to carry some components. The device box 16 can be fixed above the body 1 through the two support plates 15. A second screw 17 is provided on the transmission mechanism. The second screw 17 is rotatably connected in the device box 16. The transmission mechanism The operation of the driving mechanism will drive the second screw 17 to rotate. The surface of the second screw 17 is provided with an external thread. The rotation of the second screw 17 can drive the matching components in the equipment box 16 to operate. The second screw 17 is threadedly sleeved with a second threaded sleeve 21. The lower end of the second threaded sleeve 21 is fixed with a slider 22. The lower end of the equipment box 16 is provided with a sliding opening. The slider 22 is slidably sleeved in the sliding opening. The second threaded sleeve 21 is provided with an internal thread. The rotation of the second screw 17 will drive the second threaded sleeve 21 to move. The second screw The movement of the threaded sleeve 21 will drive the slider 22 to move, and the slider 22 will move in the sliding mouth. The sliding mouth can limit the rotation of the slider 22. The rotation of the slider 22 is limited, which can limit the rotation of the second threaded sleeve 21, and can prevent the second threaded sleeve 21 from rotating when the second screw 17 rotates. The transmission mechanism includes a driving gear 20 fixedly connected to the other end of the first screw 5, the driving gear 20 is located on the other side of the machine body 1, and the upper part of the driving gear 20 is connected to the driven gear 18 through the chain 19 transmission. The other end of the second screw 17 passes through the other side of the equipment box 16 and is fixedly connected to the middle of one side of the driven gear 18. The first screw 5 will drive the driving gear 20 to rotate while pushing the first threaded sleeve 6 to move. The driving gear 20 will drive the driven gear 18 to rotate through the chain 19, and the driven gear 18 will drive the second screw 17 to rotate, so that the operation of the servo motor 2 can provide power to the two structures, so that the first screw 5 and the second screw 17 can keep operating synchronously, so that the cutting knife 14 and the slider 22 can keep moving synchronously.

[0036] Reference Figure 1 , 2A dust suction mechanism is provided on one side of the machine body 1, and a dust suction hood 23 is provided on the dust suction mechanism. The dust suction hood 23 is fixedly connected to the lower end of the slider 22, and the dust suction hood 23 is correspondingly arranged above the cutting knife 14. The operation of the dust suction mechanism can make the dust suction hood 23 generate suction force, and the suction force generated by the dust suction hood 23 can suck the wood chips generated in the process of cutting the board by the cutting knife 14 into the dust suction hood 23 for processing, which can avoid the wood chips from polluting the surrounding environment, and effectively improve the environmental protection and convenience of the machine body 1. The dust suction hood 23 will move through the movement of the slider 22, so that the dust suction hood 23 and the cutting knife 14 can be moved synchronously to achieve point For point-to-point wood chip cleaning, the dust collection mechanism includes a dust collection device 25 arranged on one side of the body 1, and a telescopic tube 24 is arranged on the dust collection device 25. One end of the telescopic tube 24 passes through one of the support plates 15 and is arranged on one side of the dust hood 23. The dust collection device 25 is connected to the supporting parts for stable operation. The program can be set and the operation is automatic. The dust collection device 25 operates to generate suction in the dust hood 23 through the telescopic tube 24. The wood chips sucked by the dust hood 23 will be transported to the dust collection device 25 through the telescopic tube 24 for processing. The telescopic tube 24 is a pipe that can be extended and retracted at will, and the telescopic tube 24 can be used to not restrict the movement of the dust hood 23.

[0037] In the utility model, when in use: a plate is placed on the upper end of the machine body 1, and four handles 26 are rotated respectively, the four handles 26 drive four vertical screws 27 to rotate, and the four vertical screws 27 push four pressing plates 28 down respectively, and the four pressing plates 28 are lowered to press and fix the plate, and the supporting control device controls the motor 10 to operate, the motor 10 drives the driving bevel gear 11 to rotate, the driving bevel gear 11 drives the transmission bevel gear 12 to rotate, the transmission bevel gear 12 drives the rotating shaft 13 to rotate, and the rotating shaft 13 drives the cutting knife 14 to rotate, and the cutting knife 14 contacts the plate when rotating to cut the plate, and the supporting control device controls the dust suction device 25 to operate, and the operation of the dust suction device 25 makes the dust suction hood 23 have suction, and the dust suction hood 23 sucks the wood chips generated during the plate cutting process into the dust suction device 25 through the telescopic tube 24, The supporting control equipment controls the operation of the servo motor 2, the servo motor 2 drives the driving gear 3 to rotate, the driving gear 3 pushes the transmission gear 4 to rotate, the transmission gear 4 drives the first screw 5 to rotate, the first screw 5 pushes the first threaded sleeve 6 to move, the first threaded sleeve 6 drives the carrier 7 to move, the carrier 7 drives the cutting knife 14 to move, the movement of the cutting knife 14 will cut the plate, the first screw 5 will drive the driving gear 20 to rotate while rotating, the driving gear 20 will drive the driven gear 18 to rotate synchronously through the chain 19, the driven gear 18 will drive the second screw 17 to rotate, the second screw 17 will push the second threaded sleeve 21 to rotate, the second threaded sleeve 21 will drive the slider 22 to move in the sliding mouth, the slider 22 will drive the dust hood 23 to move, the dust hood 23 will move synchronously with the cutting knife 14, so that point-to-point dust collection processing can be achieved.

[0038] The parts not described in the present invention can be realized by adopting or drawing on the existing technology.

[0039] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0040] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A plate cutting device, comprising a body (1), characterized in that: A carrier (7) is provided in the machine body (1), a cutting mechanism is provided on one side of the upper end of the carrier (7), a moving mechanism is provided on one side of the lower end of the machine body (1), a first screw (5) is provided on the moving mechanism, a transmission mechanism is provided at the other end of the first screw (5), and a dust collection mechanism is provided on one side of the machine body (1); The cutting mechanism is provided with a rotating shaft (13), the rotating shaft (13) is rotatably sleeved on the upper end of the supporting frame (7), a cutting knife (14) is fixedly sleeved in the middle of the rotating shaft (13), a long strip opening is opened in the middle of the upper end of the machine body (1), the cutting knife (14) is located in the long strip opening, the first screw rod (5) is rotatably connected in the machine body (1), the other end of the first screw rod (5) is rotatably sleeved on one side of the machine body (1), a first threaded sleeve (6) is threadedly sleeved on the first screw rod (5), and the first threaded sleeve (6) is fixedly connected to the middle of the lower end of the supporting frame (7).

2. A plate cutting device according to claim 1, characterized in that: Support plates (15) are fixed on both sides of the upper end of the machine body (1), and an equipment box (16) is fixed to the upper ends of the two support plates (15). A second screw (17) is provided on the transmission mechanism, and the second screw (17) is rotatably connected in the equipment box (16). A second threaded sleeve (21) is threadedly sleeved on the second screw (17), and a slider (22) is fixed at the lower end of the second threaded sleeve (21). A sliding opening is opened at the lower end of the equipment box (16), and the slider (22) is slidably sleeved in the sliding opening. A dust hood (23) is provided on the dust suction mechanism, and the dust hood (23) is fixedly connected to the lower end of the slider (22). The dust hood (23) is correspondingly arranged above the cutting knife (14).

3. A plate cutting device according to claim 1, characterized in that: The cutting mechanism comprises a motor (10) fixedly mounted on one side of the upper end of the carrier frame (7); the end of the output shaft of the motor (10) is fixedly connected to a driving bevel gear (11); one side of the driving bevel gear (11) is meshed with a transmission bevel gear (12); and the transmission bevel gear (12) is fixedly sleeved on a rotating shaft (13).

4. A plate cutting device according to claim 1, characterized in that: The moving mechanism comprises a servo motor (2) fixedly mounted on one side of the lower end of the machine body (1); the end of the output shaft of the servo motor (2) is fixedly connected to a driving gear (3); the upper end of the driving gear (3) is meshed with a transmission gear (4); and the transmission gear (4) is fixedly sleeved on one end of a first screw rod (5).

5. A plate cutting device according to claim 3, characterized in that: A sleeve (8) is fixed in the middle of both sides of the carrier (7), a cross bar (9) is slidably sleeved in the two sleeves (8), and the two ends of the two cross bars (9) are respectively fixedly connected to the opposite inner walls of the machine body (1).

6. A plate cutting device according to claim 2, characterized in that: The transmission mechanism comprises a driving gear (20) fixedly connected to the other end of the first screw rod (5), the driving gear (20) being located on the other side of the machine body (1), a driven gear (18) being connected to the top of the driving gear (20) via a chain (19), and the other end of the second screw rod (17) passing through the other side of the equipment box (16) and fixedly connected to the middle of one side of the driven gear (18).

7. A plate cutting device according to claim 1, characterized in that: The dust suction mechanism comprises a dust suction device (25) arranged on one side of the machine body (1), a telescopic tube (24) being arranged on the dust suction device (25), one end of the telescopic tube (24) passing through one of the support plates (15) and being arranged on one side of the dust suction cover (23).

8. A plate cutting device according to any one of claims 1 to 7, characterized in that: Two vertical screw rods (27) are rotatably connected to both sides of the upper end of the machine body (1); handles (26) are arranged at the upper ends of the four vertical screw rods (27); pressing plates (28) are threadedly sleeved on the four vertical screw rods (27); the four pressing plates (28) are respectively arranged on both sides of the long strip opening; vertical rods (29) are slidably sleeved on both sides of the four pressing plates (28); and the lower ends of the eight vertical rods (29) are fixedly connected to the upper end of the machine body (1).

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