Plate cutting device

Abstract

The utility model relates to the technical field of plate cutting, and discloses a plate cutting device which comprises a workbench, a fixing device, a positioning device, a cutting device and a controller. The fixing device is arranged on the workbench and connected with the workbench. The positioning device is arranged on the workbench and connected with the workbench. The cutting device is arranged on the workbench and connected with the workbench. The controller is arranged on the workbench and electrically connected with the fixing device, the positioning device and the cutting device. The position, to be cut, of a plate is accurately placed at the cutting position before being cut through laser positioning, then a pressing hydraulic cylinder drives a pressing plate with a rubber gasket, the plate is firmly fixed to a workbench, finally, the height of a saw blade is rapidly adjusted through an electric hydraulic cylinder, and the saw blade moves along a guide rail along with a moving mechanism. The guide rail provides a stable moving path for the saw blade, the overall cutting precision is improved, and deviation of the cutting position is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of plate cutting and discloses a plate cutting device. Background Art

[0002] As a basic industrial and construction material, sheet metal is widely used in many fields, from furniture manufacturing to building construction, from mechanical processing to electronic equipment production. Precise cutting of sheet metal is a key link to ensure product quality and production efficiency.

[0003] In modern industrial production, large-scale production requires more efficient plate cutting devices to improve production efficiency, shorten production cycles, and meet market demand. Furthermore, it is necessary to improve the matching accuracy of cutting speed and feed speed while ensuring cutting quality, and reduce equipment adjustment and maintenance time to achieve efficient production. Therefore, a plate cutting device is proposed. Utility Model Content

[0004] The utility model aims to solve the technical problems of low efficiency and poor quality of existing plate cutting, and provides a plate cutting device.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A plate cutting device includes a workbench, a fixing device, a positioning device, a cutting device, and a controller. The fixing device is mounted on the workbench and connected to the workbench. The positioning device is mounted on the workbench and connected to the workbench. The cutting device is mounted on the workbench and connected to the workbench. The controller is mounted on the workbench and electrically connected to the fixing device, the positioning device, and the cutting device.

[0007] Place the plate to be cut on the workbench, and adjust the plate to a suitable position according to the laser mark emitted by the positioning device so that the position to be cut of the plate is accurately aligned with the positioning mark. After the plate is positioned, start the fixing device through the controller, and the fixing device fixes the plate. After everything is ready, start the cutting device, and the cutting device cuts the fixed plate. After the cutting is completed, control the cutting device and the fixing device through the controller, and the cutting device returns to the initial state. The fixing device releases the plate, and then the cut plate is taken out.

[0008] Furthermore, the fixing device includes two clamping mechanisms and four legs. The two clamping mechanisms are arranged above the workbench and are symmetrically arranged. The two clamping mechanisms are fixedly connected to the workbench. The four legs are arranged vertically and distributed at the four corners. The four legs are arranged below the workbench and are fixedly connected to the bottom surface of the workbench. The clamping mechanism includes two fixed brackets, a clamping plate, two gaskets, and two clamping hydraulic cylinders. The two fixed brackets are arranged vertically, the two fixed brackets are arranged above the workbench, the two fixed brackets are aligned with the edge of the workbench and are symmetrically arranged, and the two fixed brackets are fixedly connected to the top surface of the workbench. The clamping plate is arranged between the two fixed brackets, and the clamping plate is slidably connected to the two fixed brackets, and its sliding direction is perpendicular to the ground. The two gaskets are arranged below the clamping plate and are symmetrically arranged. The two gaskets are fixedly connected to the bottom surface of the clamping plate. The axes of the piston rods of the two clamping hydraulic cylinders are arranged vertically, the two clamping hydraulic cylinders are respectively arranged under the two fixed brackets, the two clamping hydraulic cylinders are arranged inside the workbench, the two clamping hydraulic cylinders are respectively arranged under the two ends of the clamping plate, the two clamping hydraulic cylinders are fixedly connected to the workbench, and the piston rods of the two clamping hydraulic cylinders are respectively fixedly connected to the bottom surfaces of the two ends of the clamping plate.

[0009] Place the plate to be cut on the workbench. According to the cutting requirements and design dimensions, adjust the plate to the appropriate position so that the position to be cut corresponds to the saw blade. Use the controller to operate the clamping hydraulic cylinder to retract its piston rod upward, driving the clamping plate to move upward, leaving enough space for the plate to be placed. When the plate is placed, operate the controller again to extend the piston rod of the clamping hydraulic cylinder downward. As the piston rod extends, the clamping plate gradually moves downward under the guidance of the fixed bracket and approaches the plate. When the gasket under the clamping plate contacts the surface of the plate, continue to operate the clamping hydraulic cylinder so that its piston rod continues to extend downward, applying a certain amount of pressure so that the clamping plate presses the plate tightly against the workbench, and then the cutting operation is carried out. When the cutting device completes cutting the plate, operate the clamping hydraulic cylinder through the controller to retract its piston rod upward, driving the clamping plate to move upward, releasing the plate, and remove the cut plate from the workbench for quality inspection and subsequent processing.

[0010] Furthermore, the two gaskets are made of rubber.

[0011] When the pressing plate presses the plate downward through the pressing hydraulic cylinder, the rubber gasket can effectively buffer the pressing force. The vibration generated during the cutting process can be buffered by the rubber gasket, reducing the impact of the vibration on the plate and making the plate firmly fixed on the workbench.

[0012] Furthermore, the cutting device includes two frames, a mounting frame, a guide rail, two limit blocks, a moving belt, a moving mechanism, a motor, a saw blade, and an electric hydraulic cylinder. The two frames are arranged vertically, the two frames are arranged above the workbench, the two frames are aligned with the edge of the workbench and are arranged symmetrically, and the two frames are fixedly connected to the top surface of the workbench. The mounting frame is arranged above the two frames, and the mounting frame is fixedly connected to the two frames. The guide rail is arranged inside the mounting frame. The two limit blocks are respectively arranged at both ends of the guide rail, the two limit blocks are arranged inside the mounting frame, and the two limit blocks are fixedly connected to the mounting frame. The moving mechanism is arranged vertically, the moving mechanism is arranged on the upper part of the mounting frame, the moving mechanism is arranged above the guide rail, the moving mechanism is movably connected to the mounting frame, the moving mechanism is tightly attached to the guide rail, and the moving mechanism is electrically connected to the controller. The moving belt is arranged inside the moving mechanism, and the moving belt is connected to the moving mechanism. The axis of the motor output shaft is arranged horizontally and perpendicular to the moving mechanism. The motor is arranged inside the mounting frame, the motor is arranged on the side of the moving mechanism, the motor is fixedly connected to the moving mechanism, and the motor is electrically connected to the controller. The saw blade axis is arranged horizontally and coincides with the motor axis. The saw blade is fixedly connected to the motor output shaft. The electric hydraulic cylinder piston rod axis is arranged vertically. The electric hydraulic cylinder is arranged to the side of the moving mechanism and above the motor. The electric hydraulic cylinder piston rod is fixedly connected to the motor, the electric hydraulic cylinder is fixedly connected to the moving mechanism, and the electric hydraulic cylinder is electrically connected to the controller.

[0013] The moving mechanism is a state-of-the-art technology. The plate to be cut is placed on a workbench. Based on the cutting requirements and design dimensions, the plate is adjusted to the appropriate position manually or mechanically, so that the position to be cut corresponds to the initial position of the saw blade. The motor is then activated via a controller, and the motor output shaft rotates, driving the saw blade to rotate at high speed. Simultaneously, the moving mechanism is activated via the controller, and the moving mechanism begins to move on the guide rail. According to a preset program or operating instruction, the moving mechanism drives the motor and saw blade toward the plate. The controller then controls the piston rod of the electric hydraulic cylinder to extend, which extends downward, pushing the motor and saw blade downward, gradually approaching the plate surface. Once the saw blade is adjusted to the appropriate position, the moving mechanism is activated again, driving the motor and saw blade to continue moving toward the plate, and the saw blade begins to cut the plate. During this movement, the moving mechanism fits tightly against the guide rail, relying on the support and guidance of the guide rail to ensure linearity and precision. When the moving mechanism completes cutting the plate according to the preset cutting path, the movement of the moving mechanism and the rotation of the motor are stopped. At the same time, the electric hydraulic cylinder is operated by the controller to retract its piston rod upward, driving the motor and saw blade to leave the plate surface and return to the initial position.

[0014] Furthermore, the electric hydraulic cylinder is connected to the moving mechanism by bolts.

[0015] Bolted connections can withstand large axial forces, radial forces and torques. During the operation of the electric hydraulic cylinder, large thrust or tension is generated. Bolts can effectively transfer these forces to the mounting structure, thereby dispersing the load and preventing the connection parts from cracking or loosening due to fatigue, thereby extending the service life of the connection structure.

[0016] Furthermore, the positioning device includes a laser emitter, which is tilted and disposed below the mounting frame, fixedly connected to the mounting frame, and electrically connected to the controller.

[0017] The laser emitter, controlled by a controller, emits a laser that forms a straight line on the sheet, marking the cutting position and aligning the sheet with the saw blade. During the cutting process, especially for longer or more complex cutting paths, the laser positioning mark allows the saw blade to better follow the intended line. Even if the saw blade is affected by external factors during the cutting process, the operator can adjust the saw blade's direction based on the laser mark to ensure the stability of the cutting path, thereby improving cut quality and reducing the roughness and slope of the cut surface.

[0018] Beneficial effects of the utility model:

[0019] Laser positioning is used to ensure that the plate to be cut is accurately placed at the cutting position before cutting. Then the compression hydraulic cylinder drives the compression plate with rubber gasket to firmly fix the plate on the workbench. Finally, the saw blade height is quickly adjusted by the electric hydraulic cylinder. As the moving mechanism moves along the guide rail, the guide rail provides a stable moving path for the saw blade, improving the overall cutting accuracy and effectively reducing the deviation of the cutting position. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of the plate cutting device;

[0021] Figure 2 It is a side schematic diagram of the plate cutting device.

[0022] Explanation of the accompanying drawings: 1. Workbench; 101. Mounting frame; 102. Frame; 103. Fixed bracket; 104. Support leg; 2. Moving mechanism; 201. Moving belt; 202. Saw blade; 203. Guide rail; 204. Limit block; 205. Motor; 206. Electric hydraulic cylinder; 3. Clamping hydraulic cylinder; 301. Clamping plate; 302. Gasket; 4. Laser emitter; 5. Controller. DETAILED DESCRIPTION

[0023] The following will clearly and completely describe the concept and technical effects of the present invention in conjunction with the embodiments so as to fully understand the purpose, features and effects of the present invention.

[0024] like Figure 1 、 2 A plate cutting device is shown, comprising a workbench 1, a fixture, a positioning device, a cutting device, and a controller 5. The fixture is mounted on and connected to the workbench 1. The positioning device is mounted on and connected to the workbench 1. The cutting device is mounted on and connected to the workbench 1. The controller 5 is mounted on and electrically connected to the fixture, positioning, and cutting devices.

[0025] The plate to be cut is placed on the workbench 1, and the plate is adjusted to a suitable position according to the laser mark emitted by the positioning device so that the position to be cut of the plate is accurately aligned with the positioning mark. After the plate is positioned, the fixing device is started by the controller 5, and the fixing device fixes the plate. After everything is ready, the cutting device is started and the cutting device cuts the fixed plate. After the cutting is completed, the cutting device and the fixing device are controlled by the controller 5, and the cutting device returns to the initial state. The fixing device releases the plate, and then the cut plate is taken out.

[0026] The fixing device includes two clamping mechanisms and four legs 104. The two clamping mechanisms are arranged above the workbench 1 and are symmetrically arranged. The two clamping mechanisms are fixedly connected to the workbench 1. The four legs 104 are arranged vertically and distributed at the four corners. The four legs 104 are arranged below the workbench 1 and are fixedly connected to the bottom surface of the workbench 1. The clamping mechanism includes two fixed brackets 103, a clamping plate 301, two gaskets 302, and two clamping hydraulic cylinders 3. The two fixed brackets 103 are arranged vertically. The two fixed brackets 103 are arranged above the workbench 1. The two fixed brackets 103 are aligned with the edges of the workbench 1 and are symmetrically arranged. The two fixed brackets 103 are fixedly connected to the top surface of the workbench 1. The clamping plate 301 is arranged between the two fixed brackets 103. The clamping plate 301 is slidably connected to the two fixed brackets 103, and its sliding direction is perpendicular to the ground. Two gaskets 302 are symmetrically arranged below the pressing plate 301. The two gaskets 302 are fixedly connected to the bottom surface of the pressing plate 301. The piston rod axes of the two pressing hydraulic cylinders 3 are arranged vertically. The two pressing hydraulic cylinders 3 are respectively arranged below the two fixed brackets 103. The two pressing hydraulic cylinders 3 are arranged inside the workbench 1. The two pressing hydraulic cylinders 3 are respectively arranged below the two ends of the pressing plate 301. The two pressing hydraulic cylinders 3 are fixedly connected to the workbench 1. The piston rods of the two pressing hydraulic cylinders 3 are respectively fixedly connected to the bottom surfaces of the two ends of the pressing plate 301.

[0027] The plate to be cut is placed on the workbench 1. According to the cutting requirements and the design size, the plate is adjusted to a suitable position so that the position to be cut corresponds to the saw blade 202. The controller 5 is used to operate the clamping hydraulic cylinder 3 so that its piston rod retracts upward, driving the clamping plate 301 to move upward, leaving enough space for the plate to be placed. When the plate is placed, the controller 5 is operated again to extend the piston rod of the clamping hydraulic cylinder 3 downward. As the piston rod extends, the clamping plate 301 gradually moves downward under the guidance of the fixed bracket 103 and approaches the plate. When the gasket 302 below the clamping plate 301 contacts the surface of the plate, the clamping hydraulic cylinder 3 is continued to be operated so that its piston rod continues to extend downward, applying a certain pressure so that the clamping plate 301 presses the plate tightly against the workbench 1, and then the cutting operation is carried out. When the cutting device completes cutting the plate, the controller 5 is used to operate the clamping hydraulic cylinder 3 so that its piston rod retracts upward, driving the clamping plate 301 to move upward, releasing the plate, and removing the cut plate from the workbench 1 for quality inspection and subsequent processing.

[0028] The two gaskets 302 are made of rubber.

[0029] When the pressing plate 301 presses the plate 301 downward through the pressing hydraulic cylinder 3, the rubber gasket 302 can effectively buffer the pressing force. The rubber gasket 302 can buffer the vibration generated during the cutting process, reduce the impact of the vibration on the plate, and firmly fix the plate on the workbench 1.

[0030] The cutting device includes two frames 102, a mounting frame 101, a guide rail 203, two limit blocks 204, a moving belt 201, a moving mechanism 2, a motor 205, a saw blade 202, and an electric hydraulic cylinder 206. The two frames 102 are arranged vertically, and the two frames 102 are arranged above the workbench 1. The two frames 102 are aligned with the edges of the workbench 1 and are arranged symmetrically. The two frames 102 are fixedly connected to the top surface of the workbench 1. The mounting frame 101 is arranged above the two frames 102, and the mounting frame 101 is fixedly connected to the two frames 102. The guide rail 203 is arranged inside the mounting frame 101. The two limit blocks 204 are respectively arranged at both ends of the guide rail 203, and the two limit blocks 204 are arranged inside the mounting frame 101. The two limit blocks 204 are fixedly connected to the mounting frame 101. The moving mechanism 2 is arranged vertically, and the moving mechanism 2 is arranged on the upper part of the mounting frame 101. The moving mechanism 2 is arranged above the guide rail 203. The moving mechanism 2 is movably connected to the mounting frame 101, and the moving mechanism 2 is tightly attached to the guide rail 203. The moving mechanism 2 is electrically connected to the controller 5. The moving belt 201 is arranged inside the moving mechanism 2, and the moving belt 201 is connected to the moving mechanism 2. The axis of the output shaft of the motor 205 is arranged horizontally and perpendicular to the moving mechanism 2. The motor 205 is arranged inside the mounting frame 101, and the motor 205 is arranged to the side of the moving mechanism 2. The motor 205 is fixedly connected to the moving mechanism 2, and the motor 205 is electrically connected to the controller 5. The axis of the saw blade 202 is arranged horizontally and coincides with the axis of the motor 205. The saw blade 202 is fixedly connected to the output shaft of the motor 205. The axis of the piston rod of the electric hydraulic cylinder 206 is arranged vertically, the electric hydraulic cylinder 206 is arranged on the side of the moving mechanism 2, the electric hydraulic cylinder 206 is arranged above the motor 205, the piston rod of the electric hydraulic cylinder 206 is fixedly connected to the motor 205, the electric hydraulic cylinder 206 is fixedly connected to the moving mechanism 2, and the electric hydraulic cylinder 206 is electrically connected to the controller 5.

[0031] The moving mechanism 2 is a prior art. The plate to be cut is placed on the workbench 1. According to the cutting requirements and the design size, the plate is adjusted to a suitable position by manual or mechanical assistance so that the position to be cut corresponds to the initial position of the saw blade 202. Then, the motor 205 is started by the controller 5. The output shaft of the motor 205 rotates to drive the saw blade 202 to rotate at high speed. At the same time, the moving mechanism 2 is started by the controller 5. The moving mechanism 2 starts to move on the guide rail 203. According to the preset program or operating instructions, the moving mechanism 2 drives the motor 205 and the saw blade 202 to move toward the plate, and then the saw blade 202 is cut. The controller 5 controls the extension of the piston rod of the electric hydraulic cylinder 206. The piston rod of the electric hydraulic cylinder 206 extends downward, pushing the motor 205 and the saw blade 202 downward, causing the saw blade 202 to gradually approach the surface of the plate. When the saw blade 202 is adjusted to the appropriate position, the moving mechanism 2 is restarted, causing it to drive the motor 205 and the saw blade 202 to continue moving toward the plate. At the same time, the saw blade 202 begins to cut the plate. During this movement, the moving mechanism 2 is tightly fitted with the guide rail 203. The support and guidance of the guide rail 203 ensure the linearity and precision of the movement. When the moving mechanism 2 completes cutting the plate according to the preset cutting path, the movement of the moving mechanism 2 and the rotation of the motor 205 are stopped. At the same time, the controller 5 operates the electric hydraulic cylinder 206, causing its piston rod to retract upward, driving the motor 205 and the saw blade 202 away from the plate surface and returning to the initial position.

[0032] The electric hydraulic cylinder 206 is bolted to the moving mechanism 2 .

[0033] The bolt connection can withstand large axial force, radial force and torque. During the operation of the electric hydraulic cylinder 206, a large thrust or tension is generated. The bolts can effectively transmit these forces to the mounting structure, thereby dispersing the load and preventing the connection parts from cracking or loosening due to fatigue, thereby extending the service life of the connection structure.

[0034] The positioning device includes a laser emitter 4 . The laser emitter 4 is tilted and disposed below the mounting frame 101 . The laser emitter 4 is fixedly connected to the mounting frame 101 , and the laser emitter 4 is electrically connected to the controller 5 .

[0035] The laser emitter 4 is controlled by the controller 5 to emit a laser, which forms a straight line on the plate, marking the position for cutting, so that the position of the plate to be cut is aligned with the cutting saw blade 202. During the cutting process, especially for longer or more complex cutting paths, the laser positioning mark allows the saw blade 202 to better move along the predetermined straight line. Even if the saw blade 202 is affected by some external factors during the cutting process, the operator can adjust the direction of the saw blade 202 in time according to the laser mark to ensure the stability of the cutting path, thereby improving the cutting quality and reducing the roughness and slope of the cut surface.

[0036] Working principle:

[0037] The plate to be cut is placed on the workbench 1, and the laser emitter 4 is controlled by the controller 5 to emit a laser. According to the emitted laser mark, the plate is adjusted to a suitable position so that the position to be cut of the plate is accurately aligned with the positioning mark. After the plate is positioned, the piston rod of the clamping hydraulic cylinder 3 is controlled by the controller 5 to extend. The piston rod of the clamping hydraulic cylinder 3 extends and pushes the clamping plate 301 downward to make the rubber gasket 302 contact the surface of the plate. Continue to apply pressure to press the plate tightly against the workbench 1 to ensure that the plate does not move or shake during the cutting process. After the plate is fixed, according to the cutting requirements, the moving mechanism 2 is controlled by the controller 5. The moving mechanism 2 drives the motor 205 and the saw blade 202 to move above the position to be cut of the plate. Then, the electric hydraulic cylinder 206 is controlled by the controller 5. The electric hydraulic cylinder 206 adjusts the height of the saw blade 202 to keep it at an appropriate distance from the surface of the plate. Once everything is ready, the controller 5 activates the motor 205, causing the saw blade 202 to rotate at high speed. The controller 5 then controls the moving mechanism 2, causing it to begin moving according to a preset cutting path and speed, with the saw blade 202 gradually cutting into the sheet material. When the moving mechanism 2 completes cutting the sheet material according to the preset cutting path, the controller 5 stops the rotation of the motor 205 and the movement of the moving mechanism 2. The controller 5 then controls the electric hydraulic cylinder 206 to raise the saw blade 202 back to its initial position. The controller 5 then controls the piston rod of the clamping hydraulic cylinder 3 to retract, releasing the clamping plate 301. Finally, the cut sheet material is removed from the workbench 1.

[0038] The above embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the present invention.

Claims

1. A plate cutting device, characterized in that: The invention comprises a workbench (1), a fixing device, a positioning device, a cutting device, and a controller (5); the fixing device is arranged on the workbench (1), and the fixing device is connected to the workbench (1); the positioning device is arranged on the workbench (1), and the positioning device is connected to the workbench (1); the cutting device is arranged on the workbench (1), and the cutting device is connected to the workbench (1); the controller (5) is arranged on the workbench (1), and the controller (5) is electrically connected to the fixing device, the positioning device, and the cutting device.

2. A plate cutting device according to claim 1, characterized in that: The fixing device comprises two clamping mechanisms and four legs (104), wherein the two clamping mechanisms are arranged above the workbench (1) and are symmetrically arranged, and the two clamping mechanisms are fixedly connected to the workbench (1); the four legs (104) are arranged vertically and distributed at four corners, and the four legs (104) are arranged below the workbench (1), and the four legs (104) are fixedly connected to the bottom surface of the workbench (1); the clamping mechanism comprises two fixed brackets (103), a clamping plate (301), two gaskets (302), and two clamping hydraulic cylinders (3); the two fixed brackets (103) are arranged vertically, and the two fixed brackets (103) are arranged above the workbench (1), and the two fixed brackets (103) are aligned with the edge of the workbench (1) and are symmetrically arranged, and the two fixed brackets (103) are fixedly connected to the top surface of the workbench (1); The pressing plate (301) is arranged between the two fixed supports (103), and the pressing plate (301) is slidably connected to the two fixed supports (103), and its sliding direction is perpendicular to the ground; the two gaskets (302) are arranged below the pressing plate (301) and are symmetrically arranged, and the two gaskets (302) are fixedly connected to the bottom surface of the pressing plate (301); the piston rod axes of the two pressing hydraulic cylinders (3) are arranged vertically, the two pressing hydraulic cylinders (3) are respectively arranged below the two fixed supports (103), the two pressing hydraulic cylinders (3) are arranged inside the workbench (1), and the two pressing hydraulic cylinders (3) are respectively arranged below the two ends of the pressing plate (301), the two pressing hydraulic cylinders (3) are fixedly connected to the workbench (1), and the piston rods of the two pressing hydraulic cylinders (3) are respectively fixedly connected to the bottom surfaces of the two ends of the pressing plate (301).

3. A plate cutting device according to claim 2, characterized in that: The two gaskets (302) are made of rubber.

4. The plate cutting device according to claim 1, characterized in that: The cutting device comprises two frames (102), a mounting frame (101), a guide rail (203), two limit blocks (204), a moving belt (201), a moving mechanism (2), a motor (205), a saw blade (202), and an electric hydraulic cylinder (206); the two frames (102) are arranged vertically, the two frames (102) are arranged above the workbench (1), the two frames (102) are aligned with the edges of the workbench (1), and are arranged symmetrically, and the two frames (102) are fixedly connected to the top surface of the workbench (1); the mounting frame (101) is arranged above the two frames (102), and the mounting frame (101) is fixedly connected to the two racks (102); the guide rail (203) is arranged inside the mounting frame (101); the two limit blocks (204) are respectively arranged at both ends of the guide rail (203), the two limit blocks (204) are arranged inside the mounting frame (101), and the two limit blocks (204) are fixedly connected to the mounting frame (101); the moving mechanism (2) is arranged vertically, the moving mechanism (2) is arranged on the upper part of the mounting frame (101), the moving mechanism (2) is arranged above the guide rail (203), and the moving mechanism (2) is movably connected to the mounting frame (101). The moving mechanism (2) is in close contact with the guide rail (203), and the moving mechanism (2) is electrically connected to the controller (5); the moving belt (201) is arranged inside the moving mechanism (2), and the moving belt (201) is connected to the moving mechanism (2); the axis of the output shaft of the motor (205) is arranged horizontally and perpendicular to the moving mechanism (2), the motor (205) is arranged inside the mounting frame (101), the motor (205) is arranged on the side of the moving mechanism (2), the motor (205) is fixedly connected to the moving mechanism (2), and the motor (205) is electrically connected to the controller (5). The saw blade (202) axis is arranged horizontally and coincides with the motor (205) axis, and the saw blade (202) is fixedly connected to the output shaft of the motor (205); the piston rod axis of the electric hydraulic cylinder (206) is arranged vertically, the electric hydraulic cylinder (206) is arranged on the side of the moving mechanism (2), the electric hydraulic cylinder (206) is arranged above the motor (205), the piston rod of the electric hydraulic cylinder (206) is fixedly connected to the motor (205), the electric hydraulic cylinder (206) is fixedly connected to the moving mechanism (2), and the electric hydraulic cylinder (206) is electrically connected to the controller (5).

5. A plate cutting device according to claim 4, characterized in that: The electric hydraulic cylinder (206) is bolted to the moving mechanism (2).

6. The plate cutting device according to claim 4, characterized in that: The positioning device comprises a laser emitter (4); the laser emitter (4) is arranged at an angle, the laser emitter (4) is arranged below the mounting frame (101), the laser emitter (4) is fixedly connected to the mounting frame (101), and the laser emitter (4) is electrically connected to the controller (5).

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