A device for trimming a fiberboard

Abstract

This utility model relates to a fiberboard cutting device, aiming to solve the current technical problems of being unable to cut fiberboard from both sides and being unable to continuously cut fiberboard. It includes a limiting plate with two sliding grooves on one side, located on both sides of the limiting plate. Two U-shaped frames slide within the grooves, with a dustproof box fixedly connected to one end of each U-shaped frame. The dustproof box has locking components on both sides, and an adjusting component is positioned between the two U-shaped frames. A steering component is located inside the limiting box, with a cutter connected to one end of the steering component. This utility model can adapt to the width and height of the fiberboard through the adjusting and clamping components. When the slider drives the electric telescopic rod to move, when it approaches the dustproof plate, the locking components cause the inclined rod to press and rotate the third rotating shaft. The rotation of the torsion spring at the top of the third rotating shaft causes the limiting block to engage in the limiting hole for positioning, simultaneously switching the direction of the cutter.

Description

Technical Field

[0001] This utility model relates to the technical field of fiberboard edge cutting devices, and more particularly to a fiberboard edge cutting device. Background Technology

[0002] The background technology comprises three parts: introduction, discussion of existing technologies, and identification of the technical problems. Because fiberboard is prone to burrs, chipped corners, or dimensional deviations during hot pressing or transport stacking, edge trimming is typically required in subsequent processing stages to ensure neat edges, accurate dimensions, and an aesthetically pleasing appearance, thus meeting the requirements of subsequent assembly or veneer processes. Currently, most fiberboard edge trimming devices on the market employ a unidirectional feeding and unilateral cutting structure. The board is fed into the cutting area along a fixed direction by conveyor rollers or a conveyor belt, and then edge trimming is performed by a cutting tool or saw blade located on one side. While this structure meets basic edge trimming requirements, it has several shortcomings. First, the cutting direction is relatively singular, only one side of the board can be trimmed. When cutting both sides is required, manual flipping or adjustment of the feeding direction is necessary, which is cumbersome and inefficient. In summary, existing fiberboard edge trimming devices generally suffer from problems such as a single cutting direction and poor processing continuity, making it difficult to balance overall cutting efficiency and processing quality. Especially in production applications requiring simultaneous double-sided edge trimming or continuous feeding, traditional equipment cannot meet the demands for efficient and stable processing. Therefore, there is an urgent need to provide a fiberboard edge trimming device with a reasonable structure, simple operation, and the ability to achieve bidirectional edge trimming and continuous feeding, in order to solve the aforementioned problems in the existing technology.

[0003] Existing technologies for fiberboard that cannot be cut from both sides or continuously, such as the technical solutions provided in Chinese utility model patents with publication numbers CNU or CNU, typically employ a unidirectional feeding and unilateral cutting working mode in existing automatic fiberboard cutting equipment. That is, the fiberboard enters the cutting area along a fixed direction via a conveyor mechanism, and a cutting tool located on one side completes the fixed-length cut. However, this structure has significant limitations. First, since the cutting tool is only located on one side of the fiberboard, simultaneous cutting of both edges cannot be achieved, resulting in a single processing direction. This is unsuitable for processes requiring multi-sided cutting or symmetrical trimming, affecting processing flexibility. Second, after a section of fiberboard has been cut, the conveying direction usually needs to be changed by reversing the motor to perform the next cut or reverse processing. This reversal operation not only increases the workload of the motor and control system but also easily causes intermittent impacts on the transmission structure, reducing the overall performance of the equipment. Therefore, we propose a fiberboard edge-cutting device. Summary of the Invention

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology, adapt to the needs of reality, and provide a fiberboard edge cutting device to solve the current technical problems of not being able to cut fiberboard on both sides and not being able to continuously cut fiberboard.

[0005] To achieve the purpose of this utility model, the technical solution adopted is as follows: A fiberboard trimming device is designed, including a limiting plate. Two sliding grooves are opened on one side of the limiting plate, located on both sides of the limiting plate. Two U-shaped frames are slidably fitted within the sliding grooves. A dustproof box is fixedly connected to one end of each U-shaped frame. Clip-on parts are provided on both sides of the dustproof box. An adjusting part is provided between the two U-shaped frames. A dustproof plate is fixedly connected to one end of each U-shaped frame. A sliding rod is installed inside the dustproof box. A slider is slidably fitted around the circumference of the sliding rod. An electric telescopic rod is fixedly connected to one side of the slider. One end of the telescopic rod is fixedly connected to a limiting box, and a steering component is provided inside the limiting box. One end of the steering component is connected to a cutter. A conveying component is provided on one side of the U-shaped frame, and a clamping component is rotatably engaged on one side of the conveying component. A discharge component is rotatably connected to the other side of the output component. The conveying component cooperates with the discharge component through the clamping component and the cutter. The steering component includes a third rotating shaft rotatably engaged in the limiting box. A slot is opened at one end of the third rotating shaft, and a limiting block is elastically engaged in the slot. A limiting hole is opened in one side of the limiting box. An inclined rod is fixedly connected to the periphery of the third rotating shaft, and the limiting block cooperates with the limiting hole.

[0006] Preferably, the adjusting component includes two bidirectional threaded rods rotatably fitted between two U-shaped frames. The bidirectional threaded rods are located on both sides of the U-shaped frames, and a first synchronous pulley is installed at one end of each of the two bidirectional threaded rods. A belt is fitted on the surface of the two first synchronous pulleys, and a first handwheel is installed at one end of one of the bidirectional threaded rods through one side of the U-shaped frame.

[0007] Preferably, the transmission component includes multiple first rotating shafts rotatably fitted on one side of the two U-shaped frames. One end of each first rotating shaft is equipped with a first sprocket, and the surface of each first sprocket is fitted with a first chain. The other end of each first rotating shaft passes through one side of the U-shaped frame and is equipped with a conveyor wheel.

[0008] Preferably, each clamping component includes a bearing fixedly connected to the middle of the top of the U-shaped frame and multiple limiting rods. A threaded rod is rotatably connected to one side of the bearing, and a third handwheel is installed at the top of the threaded rod. One of the limiting sliders is threadedly engaged on the periphery of the threaded rod, and limiting sliders are slidably engaged on the periphery of each limiting rod. A clamping plate is fixedly connected to one side of the limiting slider. Multiple driven wheels are rotatably engaged on one side of the clamping plate, and the conveying wheel engages with the driven wheels.

[0009] Preferably, each discharge component includes a fixed plate fixedly connected to one side of the U-shaped frame. The fixed plate is located below the conveyor wheel. A plurality of second rotating shafts are rotatably fitted on one side of the fixed plate. A second sprocket is fixedly connected to one side of the second rotating shaft. A second chain is fitted on the surface of each of the plurality of second sprockets. An output roller is installed on the other side of each of the plurality of second rotating shafts that passes through the fixed plate.

[0010] Preferably, a motor is installed on one side of the U-shaped frame, the output end of the motor is connected to one of the first rotating shafts, and a transmission gear is installed on the periphery of the first rotating shaft, the transmission gear being located between the motor and the first sprocket; wherein, one of the second rotating shafts on one side of the fixed plate is equipped with a driven gear, and the transmission gear meshes with the driven gear.

[0011] Preferably, each snap-fit ​​component includes a threaded sleeve rotatably fitted on one side of the dustproof box, with a shaped block fixedly connected to the periphery of the threaded sleeve. A circular groove is opened in the middle of one side of the dustproof box, and the shaped block slides in the circular groove. A second handwheel is installed at one end of each threaded sleeve. A limiting threaded rod is fixedly connected to one side of the slider, and the limiting threaded rod cooperates with the threaded sleeve.

[0012] Preferably, the output end is located on one side of the dustproof plate, and a mounting groove is provided on one side of the dustproof plate. The end of the second rotating shaft is provided in the mounting groove. A slide is provided on one side of the dustproof box, and a sliding rod is fixedly connected to one side of the slider. The sliding rod slides in the slide.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] This invention can adapt to the width and height of the fiberboard through the adjusting and clamping components. When the electric telescopic rod moves by the slider, it can drive the inclined rod to rotate the third rotating shaft through the snap-fit ​​component when it is close to the dustproof plate. At the same time, when the third rotating shaft rotates, it can slide out of the limiting hole through the inclined surface of the limiting block, thereby switching the direction of the cutter to cut the fiberboard. When switching the direction of the cutter, by releasing the snap-fit ​​pin, the torsion spring at the top of the third rotating shaft rotates, causing the limiting block to snap into the limiting hole for limiting and simultaneously switching the direction of the cutter. Attached Figure Description

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

[0016] Figure 2 This is a schematic diagram of one side of the overall cross-sectional structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the other side of the cross-sectional structure of the transmission gear of this utility model;

[0018] Figure 4This is a schematic diagram of one side of the cross-sectional structure of the cutter of this utility model;

[0019] Figure 5 This is a schematic diagram of one side of the cross-sectional structure of the limiting threaded rod of this utility model.

[0020] In the diagram: 1. Limiting plate; 2. U-shaped frame; 3. Dustproof box; 4. First handwheel; 5. First synchronous pulley; 6. First sprocket; 7. Motor; 8. Clamping plate; 9. Transmission gear; 10. Slide rod; 11. Limiting box; 12. Cutting blade; 13. Second handwheel; 14. Fixing plate;

[0021] 301. Dustproof panel;

[0022] 401. Double-ended threaded rod;

[0023] 501. Belt;

[0024] 601. First rotating shaft; 602. Conveyor wheel; 603. First chain;

[0025] 801. Bearing; 802. Threaded rod; 803. Third handwheel; 804. Limiting slider; 805. Limiting rod; 806. Driven wheel;

[0026] 1001. Slider; 1002. Electric telescopic rod; 1003. Sliding rod;

[0027] 1101, Limiting hole; 1102, Third rotating shaft; 1103, Limiting block; 1104, Diagonal rod;

[0028] 1301. Threaded sleeve; 1302. Limiting threaded rod; 1303. Irregular block;

[0029] 1401, Second shaft; 1402, Second sprocket; 1403, Output roller; 1404, Second chain. Detailed Implementation

[0030] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0031] A fiberboard trimming device includes a limiting plate 1. Two sliding grooves are formed on one side of the limiting plate 1, located on both sides of the limiting plate 1. Two U-shaped frames 2 are slidably fitted within the sliding grooves. A dustproof box 3 is fixedly connected to one end of each U-shaped frame 2. Clip-on parts are provided on both sides of the dustproof box 3. An adjusting part is provided between the two U-shaped frames 2. A dustproof plate 301 is fixedly connected to one end of each U-shaped frame 2. A sliding rod 10 is installed inside the dustproof box 3. A slider 1001 is slidably fitted around the circumference of the sliding rod 10. An electric telescopic rod 1002 is fixedly connected to the side, and one end of the electric telescopic rod 1002 is fixedly connected to a limiting box 11. A steering component is provided inside the limiting box 11, and one end of the steering component is connected to a cutter 12. A conveying component is provided on one side of the U-shaped frame 2, and a clamping component is rotatably engaged on one side of the conveying component. A discharge component is rotatably connected to the other side of the output component. The conveying component cooperates with the discharge component through the clamping component and the cutter 12. The steering component includes a third rotating shaft 1102 rotatably engaged within the limiting box 11. One end of the device has a slot, and a limiting block 1103 is elastically fitted inside the slot. A limiting hole 1101 is opened in one side of the limiting box 11. A diagonal rod 1104 is fixedly connected to the periphery of the third rotating shaft 1102. One end of the third rotating shaft 1102 is elastically fitted inside the limiting box 11, and the limiting block 1103 cooperates with the limiting hole 1101. This utility model can adapt to the width and height of the fiberboard through the adjusting and clamping parts. When the electric telescopic rod 1002 is moved by the slider 1001, the side near the dustproof plate 301... The snap-fit ​​mechanism can drive the inclined rod 1104 to press the third rotating shaft 1102 to rotate. At the same time, when the third rotating shaft 1102 rotates, it can slide out of the limiting hole 1101 through the inclined surface of the limiting block 1103, thereby switching the orientation of the cutter 12 to cut the fiberboard. When switching the direction of the cutter 12, by releasing the snap-fit ​​pin, the torsion spring at the top of the third rotating shaft 1102 rotates, causing the limiting block 1103 to snap into the limiting hole 1101 for limiting and simultaneously switching the direction of the cutter 12.

[0032] Specifically, the adjusting component includes two bidirectional threaded rods 401 rotatably fitted between two U-shaped frames 2. The bidirectional threaded rods 401 are located on both sides of the U-shaped frame 2, and a first synchronous pulley 5 is installed at one end of each of the two bidirectional threaded rods 401. A belt 501 is fitted on the surface of the two first synchronous pulleys 5. A first handwheel 4 is installed at one end of one of the bidirectional threaded rods 401, which passes through one side of the U-shaped frame 2. This utility model enables the adjustment and cutting of more types of fiberboard by adjusting the U-shaped frame 2 through the bidirectional threaded rods 401.

[0033] Furthermore, each of the transmission components includes multiple first rotating shafts 601 rotatably fitted on one side of the two U-shaped frames 2. One end of each first rotating shaft 601 is equipped with a first sprocket 6, and the surface of each first sprocket 6 is fitted with a first chain 603. The other end of each first rotating shaft 601 passes through one side of the U-shaped frame 2 and is equipped with a conveying wheel 602. Through the cooperation of the first sprocket 6 and the first chain 603, this utility model can smoothly drive the conveying wheel 602 through the first rotating shaft 601, thereby ensuring the stability of the feeding.

[0034] It is worth noting that the clamping components all include a bearing 801 fixedly connected to the middle of the top of the U-shaped frame 2 and multiple limiting rods 805. A threaded rod 802 is rotatably connected to one side of the bearing 801. A third handwheel 803 is installed at the top of the threaded rod 802. One of the limiting sliders 804 is threadedly engaged on the periphery of the threaded rod 802. Limiting sliders 804 are slidably engaged on the periphery of each limiting rod 805. A clamping plate 8 is fixedly connected to one side of the limiting slider 804. Multiple driven wheels 806 are rotatably engaged on one side of the clamping plate 8. The conveying wheel 602 cooperates with the driven wheels 806. In this utility model, the threaded rod 802 can drive the driven wheels 806 to clamp one side of the fiberboard through the clamping plate 8, and the cooperation of the limiting slider 804 and the limiting rod 805 can play a stabilizing role.

[0035] It is worth mentioning that the discharge components all include a fixed plate 14 fixedly connected to one side of the U-shaped frame 2. The fixed plate 14 is located below the conveying wheel 602. A plurality of second rotating shafts 1401 are rotatably coupled to one side of the fixed plate 14. A second sprocket 1402 is fixedly connected to one side of the second rotating shaft 1401. A second chain 1404 is sleeved on the surface of the plurality of second sprockets 1402. An output roller 1403 is installed on one side of the other end of the plurality of second rotating shafts 1401 that passes through the fixed plate 14. This utility model can continuously discharge materials by installing the output roller 1403 below the conveying component.

[0036] It is worth noting that a motor 7 is installed on one side of the U-shaped frame 2. The output end of the motor 7 is connected to one of the first rotating shafts 601. A transmission gear 9 is installed on the periphery of the first rotating shaft 601. The transmission gear 9 is located between the motor 7 and the first sprocket 6. A driven gear 901 is installed on one of the second rotating shafts 1401 on one side of the fixed plate 14. The transmission gear 9 and the driven gear 901 mesh. In this invention, the motor 7 drives the conveyor wheel 602 to rotate through the first rotating shaft 601 in the forward direction, so that the conveyor wheel 602 feeds and cuts. The transmission gear 9 and the driven gear 901 can drive the output roller 1403 to rotate in the reverse direction to discharge the material.

[0037] It is worth noting that each snap-fit ​​component includes a threaded sleeve 1301 rotatably fitted on one side of the dustproof box 3. A special-shaped block 1303 is fixedly connected to the periphery of the threaded sleeve 1301. A circular groove is opened in the middle of one side of the dustproof box 3. The special-shaped block 1303 is slidably fitted in the circular groove. A second handwheel 13 is installed at one end of each threaded sleeve 1301. A limiting threaded rod 1302 is fixedly connected to one side of the slider 1001. The limiting threaded rod 1302 cooperates with the threaded sleeve 1301. This utility model achieves limiting by cooperating with the limiting threaded rod 1302 and the threaded sleeve 1301 and being driven by the slider 1001, resulting in a more stable threaded fit.

[0038] It is worth noting that the output end of the conveyor wheel 602 is located on one side of the dustproof plate 301, and an installation groove is provided on one side of the dustproof plate 301. The end of the output roller 1403 is installed in the installation groove. A slide is provided on one side of the dustproof box 3. A sliding rod 1003 is fixedly connected to one side of the slider 1001. The sliding rod 1003 is slidably engaged in the slide. By the fact that the ends of the conveyor wheel 602 and the output roller 1403 are not aligned, the fiberboard on the conveyor wheel 602 can fall onto the surface of the output roller 1403, thereby discharging the material.

[0039] Working principle: When using this utility model, firstly, rotating the first handwheel 4 drives the U-shaped frame 2 to slide through the bidirectional threaded rod 401, thereby adjusting the width of the U-shaped frame 2 to be the same as that of the fiberboard. Then, rotating the third handwheel 803 drives the limiting slider 804 to move through the threaded rod 802, which in turn causes the clamping plate 8 to move the driven wheel 806 up and down. At this time, the fiberboard is placed on the surface of the conveyor wheel 602. Then, reversing the threaded rod 802 causes the clamping plate 8 to drive the driven wheel 806 to descend and clamp the fiberboard. Then, starting the motor 7, the motor 7 drives one of the first rotating shafts 601 to rotate. The first rotating shaft 601 drives one of the first sprockets 6 to rotate. At the same time, the first sprocket 6 drives multiple first sprockets 6 to rotate through the first chain 603, and drives the conveyor wheel 602 to rotate. The conveyor wheel 602 drives the fiberboard to move forward between the conveyor wheel 602 and the driven wheel 806.

[0040] When cutting both sides of the fiberboard, the sliding rod 1003 drives the electric telescopic rod 1002 to slide via the slider 1001. When the slider 1001 slides on one side of the dustproof plate 301, one end of the limiting threaded rod 1302 enters the threaded sleeve 1301. At this time, rotating the second handwheel 13 drives the threaded sleeve 1301 to rotate, causing the threaded sleeve 1301 to retract and the limiting threaded rod 1302 to enter the threaded sleeve 1301. Simultaneously, the electric telescopic rod 1002 drives the limiting box 11 to slide. The limiting box 11 slides through the inclined rod 1104 and contacts one side of the dustproof plate 301. At the same time, the inclined rod 1104 drives the third rotating shaft 1102 to rotate through the extrusion force. When the third rotating shaft 1102 rotates, it passes through the inclined surface of the limiting block 1103, so that the limiting block 1103 can be disengaged from the limiting hole 1101 and the limiting is released, which drives the cutter 12 to rotate. At the same time, when the second handwheels 13 on both sides are rotated, the position of the cutter 12 can be adjusted, but not too much, so that the two sides of the fiberboard can be cut.

[0041] When the cutting is completed, the fiberboard falls onto the surface of the output roller 1403 because the width of the cut-off sides is less than the width between the U-shaped frames 2. When the first rotating shaft 601 drives the conveyor wheel 602 to rotate forward, the second rotating shaft 1401 will drive the output roller 1403 to rotate in reverse through the meshing of the transmission gear 9 and the driven gear 901. This allows the cut fiberboard and the cut-off fiberboard scraps to be discharged into the dust box 3 at the same time, thus enabling continuous cutting of fiberboard.

[0042] When unilateral cutting is required, the second handwheel 13 on one side is rotated to disengage the limiting threaded rod 1302 from the limiting of the threaded sleeve 1301. At the same time as disengaging from the limiting, the third rotating shaft 1102 rotates through the torsion spring at the top, causing the limiting block 1103 to engage with the limiting hole 1101. Then, the fiberboard is stopped in a suitable position by turning off the motor 7, so that the sliding rod 1003 drives the cutter 12 to perform unilateral cutting through the limiting hole 1101.

[0043] The embodiments disclosed herein are preferred embodiments, but are not limited thereto. Those skilled in the art can readily grasp the spirit of this utility model based on the above embodiments and make different extensions and variations. However, as long as they do not depart from the spirit of this utility model, they are all within the protection scope of this utility model.

Claims

1. A fiberboard edge-cutting device, characterized in that, Includes a limiting plate (1), with two sliding grooves on one side of the limiting plate (1) located on both sides of the limiting plate (1), and two U-shaped frames (2) slidingly fitted in the sliding grooves. A dustproof box (3) is fixedly connected to one end of the U-shaped frame (2), and snap-fit ​​parts are provided on both sides of the dustproof box (3). An adjusting part is provided between the two U-shaped frames (2), and a dustproof plate (301) is fixedly connected to one end of the U-shaped frame (2). A sliding rod (10) is installed inside the dustproof box (3), and a slider (1001) is slidably fitted around the sliding rod (10). An electric telescopic rod (1002) is fixedly connected to one side of the slider (1001), and a limiting box (11) is fixedly connected to one end of the electric telescopic rod (1002). A steering part is provided inside the limiting box (11), and a cutter (12) is connected to one end of the steering part. Among them, a conveying component is provided on one side of the U-shaped frame (2), a clamping component is rotatably connected on one side of the conveying component, and a discharge component is rotatably connected on the other side of the output component. The conveying component cooperates with the discharge component through the clamping component and the cutter (12). The steering component includes a third rotating shaft (1102) rotatably fitted in a limiting box (11). One end of the third rotating shaft (1102) is provided with a slot, and a limiting block (1103) is elastically fitted in the slot. A limiting hole (1101) is provided on one side of the limiting box (11). A diagonal rod (1104) is fixedly connected to the periphery of the third rotating shaft (1102). The limiting block (1103) cooperates with the limiting hole (1101).

2. The fiberboard edge-cutting device as described in claim 1, characterized in that, The adjusting component includes two bidirectional threaded rods (401) rotatably fitted between two U-shaped frames (2). The bidirectional threaded rods (401) are located on both sides of the U-shaped frame (2). One end of each bidirectional threaded rod (401) is equipped with a first synchronous pulley (5). The surfaces of the two first synchronous pulleys (5) are fitted with belts (501). One end of one bidirectional threaded rod (401) passes through one side of the U-shaped frame (2) and is equipped with a first handwheel (4).

3. The fiberboard edge-cutting device as described in claim 1, characterized in that, Each transmission component includes multiple first shafts (601) rotatably fitted on one side of two U-shaped frames (2). One end of each first shaft (601) is equipped with a first sprocket (6), and the surface of each first sprocket (6) is fitted with a first chain (603). The other end of each first shaft (601) passes through one side of the U-shaped frame (2) and is equipped with a conveyor wheel (602).

4. The fiberboard edge-cutting device as described in claim 1, characterized in that, Each clamping component includes a bearing (801) fixedly connected to the middle of the top of the U-shaped frame (2) and multiple limiting rods (805). A threaded rod (802) is rotatably connected to one side of the bearing (801). A third handwheel (803) is installed at the top of the threaded rod (802). One of the limiting sliders (804) is threadedly fitted to the periphery of the threaded rod (802). Limiting sliders (804) are slidably fitted to the periphery of the limiting rods (805). A clamping plate (8) is fixedly connected to one side of the limiting slider (804). Among them, one side of the clamping plate (8) is rotatably fitted with multiple driven wheels (806), and the conveying wheel (602) is fitted with the driven wheels (806).

5. The fiberboard edge-cutting device as described in claim 1, characterized in that, Each discharge component includes a fixed plate (14) fixedly connected to one side of the U-shaped frame (2). The fixed plate (14) is located below the conveyor wheel (602). A plurality of second rotating shafts (1401) are rotatably fitted on one side of the fixed plate (14). A second sprocket (1402) is fixedly connected to one side of the second rotating shaft (1401). A second chain (1404) is fitted on the surface of each of the plurality of second sprockets (1402). An output roller (1403) is installed on one side of each of the plurality of second rotating shafts (1401) that passes through the fixed plate (14).

6. The fiberboard edge-cutting device as described in claim 1, characterized in that, A motor (7) is installed on one side of the U-shaped frame (2). The output end of the motor (7) is connected to one of the first rotating shafts (601). A transmission gear (9) is installed on the periphery of the first rotating shaft (601). The transmission gear (9) is located between the motor (7) and the first sprocket (6). One of the second rotating shafts (1401) on one side of the fixed plate (14) is equipped with a driven gear (901), and the transmission gear (9) meshes with the driven gear (901).

7. The fiberboard edge-cutting device as described in claim 1, characterized in that, Each snap-fit ​​component includes a threaded sleeve (1301) that is rotatably fitted on one side of the dust box (3). A special-shaped block (1303) is fixedly connected to the periphery of the threaded sleeve (1301). A circular groove is opened in the middle of one side of the dust box (3). The special-shaped block (1303) is slidably fitted in the circular groove. A second handwheel (13) is installed at one end of the threaded sleeve (1301). One side of the slider (1001) is fixedly connected to a limiting threaded rod (1302), which cooperates with the threaded sleeve (1301).

8. The fiberboard edge-cutting device as described in claim 1, characterized in that, The output end of (604) is located on one side of the dustproof plate (301), and an installation groove is provided on one side of the dustproof plate (301). The end of the output roller (1403) is provided in the installation groove. A slide is provided on one side of the dustproof box (3). A sliding rod (1003) is fixedly connected to one side of the slider (1001). The sliding rod (1003) slides in the slide.

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