Numerical control plate cutting equipment

Abstract

The utility model provides numerical control board cutting equipment, which belongs to the field of board processing equipment and comprises a rack, a feeding component for feeding materials to a bearing component is arranged on the rack, two groups of cutting components are mounted inside the outer side of the rack in a sliding manner, one group of cutting components transversely slide relative to the rack, and the other group of cutting components transversely slide relative to the rack. One cutting assembly vertically slides relative to the machine frame, the other cutting assembly vertically slides relative to the machine frame, the bearing assembly is arranged on the inner side of the machine frame, a control system in communication connection with the feeding assembly, the cutting assemblies and the bearing assembly is further installed on the machine frame, a control system is arranged in the plate cutting equipment, and the control system is in communication connection with all the assemblies in the plate cutting equipment. The board cutting process is programmed in the control system according to design and production requirements, then the control system controls the board cutting equipment to automatically complete feeding, positioning, cutting and other operations according to a preset program, and the board cutting equipment has the advantages of being efficient, high in precision and high in automation degree.

Description

Technical Field

[0001] The utility model belongs to the field of wood board processing equipment, in particular to a digital control board cutting equipment. Background Art

[0002] Wood board cutting equipment is a machine that cuts wood boards, including cutting wood boards to fixed sizes and fixed points. However, traditional wood board cutting equipment has a simple structure, and most of them only include a motor and a cutting wheel. Manual sizing and fixing of positions are required during cutting operations. Its degree of automation is low, and its cutting efficiency and cutting accuracy are difficult to meet market needs. Utility Model Content

[0003] Based on the above-mentioned problems in the prior art, the utility model provides a CNC plate cutting device, comprising a frame, on which a loading assembly for feeding materials to a supporting assembly is arranged, and two groups of cutting assemblies are slidably installed inside the outer side of the frame, one group of cutting assemblies slides laterally relative to the frame, and the other group of cutting assemblies slides vertically relative to the frame, the supporting assembly is arranged on the inner side of the frame, and a control system communicating and connected to the loading assembly, the cutting assembly and the supporting assembly is also installed on the frame.

[0004] Among them, the feeding assembly includes a gantry frame arranged at one end of the vertical direction of the frame, a feeding beam extending vertically along the frame is fixedly installed on the gantry frame, a plurality of passive feeding gears are rotatably installed on the feeding beam, the same feeding chain is meshed and installed on all the passive feeding gears, a feeding motor is also fixedly installed on the feeding beam, an active feeding gear meshed with the feeding chain is fixedly installed on the power output end of the feeding motor, a feeding rack is slidably installed on the lower surface of the feeding beam, the feeding rack is also fixedly connected to the feeding chain and driven to slide along the feeding beam by the feeding chain, a plurality of feeding cylinders are fixedly installed on the feeding rack, and the telescopic ends of the feeding cylinders are downwardly and fixedly installed with negative pressure suction cups.

[0005] The cam is provided with a plurality of sliding blocks which are slidably matched with the cutting rails, and a sliding motor is also fixedly installed on the base, and a cutting gear which meshes with the cutting rack is fixedly provided on the power output end of the sliding motor. A first lifting seat and a first lifting motor which drive the first lifting seat to slide up and down are installed on the base on a side away from the inner side of the frame for sliding up and down. The first lifting seat is fixedly installed with a first cutting motor, and the power output end of the first cutting motor is transmission-connected with a first cutter wheel; a second lifting seat and a second lifting motor which drive the second lifting seat to slide up and down are also installation-sliding on one side of the first lifting seat, and a second cutting motor is installed on the second lifting seat, and the power output end of the second cutting motor is transmission-connected with a second cutter wheel, and the diameter of the first cutter wheel is larger than that of the second cutter wheel.

[0006] Among them, a transverse seat is installed on the upper surface of the second lifting seat in a horizontally sliding manner, the second cutting motor is fixedly installed on the transverse seat, the second knife wheel is rotatably installed on the transverse seat, and an electric telescopic rod is fixedly installed on one side of the transverse seat, the telescopic end of the electric telescopic rod is connected to the second lifting seat, and the transverse seat is driven by the electric telescopic rod to slide horizontally towards or away from the inner side of the frame; a dust collection box covering the first knife wheel and the second knife wheel and used for collecting cutting dust is also installed on the first lifting seat.

[0007] Among them, the supporting assembly includes a supporting platform, on the upper surface of which a conveying roller extending laterally along the frame is rotatably installed, and a plurality of vertical telescopic rods are also fixedly installed on the supporting platform, and the telescopic ends of all the vertical telescopic rods face upward and are fixedly installed with the same lifting frame, and a plurality of conveying wheels are rotatably installed on the lifting frame, and the rotating plane of the conveying wheels is vertically arranged and parallel to the transverse direction of the frame, and the vertical telescopic rods drive the conveying wheels to rise and fall synchronously through the lifting frame.

[0008] Among them, the CNC plate cutting equipment also includes two groups of pressure plate assemblies communicatively connected to the control system, the pressure plate assemblies and the cutting assemblies correspond one to one, the pressure plate assembly includes a pressure plate beam, the pressure plate beam is provided with a cutter wheel groove matching the first cutter wheel and the second cutter wheel of the corresponding cutting assembly, a group of lifting columns are respectively provided at both ends of the pressure plate beam, a lifting and telescopic rod is provided in the lifting column, one end of the lifting and telescopic rod is fixedly connected to the pressure plate beam, and the other end of the lifting and telescopic rod is fixedly connected to the lifting column, and the pressure plate beam is driven to move up and down relative to the lifting column by the lifting and telescopic rod; a synchronous rack is also fixedly installed in the lifting column, a synchronous shaft is rotatably provided on one side of the pressure plate beam, and synchronous gears meshing with the synchronous rack are fixedly installed on both ends of the synchronous shaft, and the two synchronous gears respectively cooperate with the synchronous racks of the two groups of lifting columns.

[0009] Among them, the described CNC plate cutting equipment also includes a side-pushing assembly that is communicatively connected to the control system, the side-pushing assembly includes a horizontal pushing beam fixedly mounted on the supporting platform, the horizontal pushing beam extends laterally along the frame, a vertical pushing beam is installed on the horizontal pushing beam and slides laterally along the frame, a horizontal pushing motor is installed in the vertical pushing beam and drives the vertical pushing beam to slide along the horizontal pushing beam, a moving seat is installed on the vertical pushing beam and slides vertically along the frame, a vertical pushing motor that drives the moving seat to slide along the vertical pushing beam is installed on the moving seat, a plurality of side-pushing structures are fixedly mounted on the moving seat, the side-pushing structure includes a mounting seat fixedly connected to the moving seat, a lower clamping plate is fixedly mounted on the lower part of the mounting seat, an upper clamping plate is installed on the mounting seat and slides up and down above the lower clamping plate, and a telescopic cylinder that drives the upper clamping plate to slide is also fixedly mounted on the mounting seat; a guide light column is fixedly mounted on the lower clamping plate, and the upper clamping plate and the guide light column are slidably connected.

[0010] The utility model has the beneficial effects:

[0011] 1. A control system is provided in the board cutting equipment, and the control system is communicatively connected to each component in the board cutting equipment. The cutting process of the wood board is first programmed in the control system according to the design and production requirements. The control system then controls the board cutting equipment according to the preset program to automatically complete operations such as loading, positioning and cutting. It has the advantages of high efficiency, high precision and high degree of automation.

[0012] 2. It adopts CNC system for control, and cooperates with sliding adjustable feeding assembly and side push assembly to adjust and fix the position of the wooden board. It can adapt to different specifications and sizes of wooden boards for different cutting, and has the advantages of good adaptability and versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of a CNC plate cutting device.

[0014] Figure 2 It is a three-dimensional structural schematic diagram of a CNC plate cutting device from another angle.

[0015] Figure 3 yes Figure 2 Enlarged view of point A.

[0016] Figure 4 It is a three-dimensional structural schematic diagram of the feeding component.

[0017] Figure 5 yes Figure 4 Enlarged view of point B.

[0018] Figure 6 yes Figure 4 Enlarged view of point C.

[0019] Figure 7It is a schematic diagram of the structure of the frame at the corresponding positions of the cutting slide rail and the cutting rack.

[0020] Figure 8 yes Figure 7 Enlarged view of point D.

[0021] Fig. 9 It is a three-dimensional structural schematic diagram of the cutting component.

[0022] Fig.10 It is a schematic diagram of the three-dimensional structure of the cutting component from another angle.

[0023] Fig.11 It is a schematic diagram of the three-dimensional structure of the cutting component from the third angle.

[0024] Fig.12 It is a three-dimensional structural schematic diagram of the supporting component.

[0025] Fig.13 yes Fig.12 Enlarged view of point E.

[0026] Fig.14 yes Fig.12 Enlarged view of point F.

[0027] Fig.15 yes Fig.13 Schematic diagram of the corresponding position from another angle.

[0028] Fig.16 This is a three-dimensional structural diagram of the pressure plate assembly. The lifting column on the right side of the figure hides part of the outer shell structure.

[0029] Fig.17 yes Fig.16 Enlarged view of point G.

[0030] Fig.18 It is a structural diagram of the plate cutting equipment with the frame and loading components hidden. DETAILED DESCRIPTION

[0031] The utility model is described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] As attached Figure 1-18The CNC plate cutting equipment shown in the figure includes a rectangular frame 1, on which a loading assembly 3 for feeding material to a supporting assembly 2 is arranged, and a group of cutting assemblies 4 are slidably installed inside one of the long sides and one of the short sides on the outside of the frame 1, one group of cutting assemblies 4 located in the short side slides horizontally relative to the frame 1, and the other group of cutting assemblies 4 located in the long side slides vertically relative to the frame 1, the supporting assembly 2 is arranged on the inner side of the frame 1, and two groups of pressing plate assemblies 5 are installed on the frame 1 at corresponding positions above the cutting assemblies 4, and the pressing plate assemblies 5 and the cutting assemblies 4 correspond one to one, and the supporting assembly 2 is installed with a side pushing assembly 6 on the other side of the side that slides horizontally relative to the vertically sliding group of cutting assemblies 4, and a control system 7 is also installed on the frame 1, which is communicatively connected to the loading assembly 3, the cutting assembly 4, the pressing plate assembly 5, the side pushing assembly 6 and the supporting assembly 2, and a CNC programming program for programming the cutting process of the wooden board 8 is installed in the control system 7.

[0033] As a preferred embodiment, the feeding assembly 3 includes a gantry frame 31 arranged at one end of the frame 1 in the vertical direction. The gantry frame 31 is a cubic frame composed of a plurality of square tubes. A feeding beam 32 extending vertically along the frame 1 is fixedly installed on the lower surface of the top of the gantry frame 31. Four passive feeding gears 33 are rotatably installed on the feeding beam 32, two of which are located at the lower parts of the two ends of the feeding beam 32, and the remaining two passive feeding gears 33 are located at the upper part of the middle part of the feeding beam 32. The same closed-loop feeding chain is meshed and installed on the four passive feeding gears 33. A feeding motor 34 is also fixedly installed on the upper surface of the feeding beam 32. An active feeding gear 35 meshing with the feeding chain is fixedly installed at the power output end of 34. The active feeding gear 35 is located between the two passive feeding gears 33 in the middle of the feeding beam 32. A feeding rack 36 is installed on the lower surface of the feeding beam 32 through the cooperation of a slider and a slide rail. The feeding rack 36 is also fixedly connected to a part of the feeding chain and is driven by the feeding chain to slide along the feeding beam 32. The feeding rack 36 is in the shape of an "I" character, and a feeding cylinder 37 is fixedly installed on both sides of the two ends of the "I" character. A total of four feeding cylinders 37 are installed on the feeding rack 36, and the telescopic end of each feeding cylinder 37 is downward and fixedly installed with a negative pressure suction cup 38.

[0034] The frame 1 is equipped with a cutting assembly 4, and the short side and the long side thereof are fixedly equipped with a cutting rail 11 extending in the sliding direction of the corresponding cutting assembly 4. Two cutting rails 11 are installed in parallel in each side. The frame 1 is fixedly equipped with a cutting rack 12 between the two cutting rails 11 and in parallel with the cutting rails 11. The cutting assembly 4 includes a base 41, on which four cutting slide blocks 42 are fixedly installed, which are slidably matched with the cutting slide rails 11, and each two cutting slide blocks 42 correspond to one cutting slide. Rail 11, a sliding motor 43 is also fixedly installed on the base 41, and a cutting gear 431 meshing with the cutting rack 12 is fixedly provided at the power output end of the sliding motor 43. A first lifting seat 44 and a first lifting motor 441 driving the first lifting seat 44 to slide up and down are installed on the side of the base 41 away from the inner side of the frame 1. A first cutting motor (not shown in the figure) is fixedly installed on the first lifting seat 44, and a first cutting wheel 442 is connected to the power output end of the first cutting motor. ; A second lifting seat 45 and a second lifting motor 451 that drives the second lifting seat 45 to slide up and down are also installed on one side of the first lifting seat 44, and a transverse seat 452 is installed on the upper surface of the second lifting seat 45 so as to slide horizontally. A second cutting motor 453 is fixedly installed on the transverse seat 452. The power output end of the second cutting motor 453 is connected to a second knife wheel 454 through the coordinated transmission of a belt and a pulley. The second knife wheel 454 is rotatably installed on the transverse seat 452. The diameter of the first knife wheel 442 is larger than that of the second knife wheel 454. An electric telescopic rod 455 is fixedly installed on one side of the transverse seat 452. The telescopic end of the electric telescopic rod 455 is connected to the second lifting seat 45, and the transverse seat 452 is driven by the electric telescopic rod 455 to slide horizontally toward or away from the inner side of the frame 1; a dust box 46 covering the lower part of the first knife wheel 442 and the second knife wheel 454 and used to collect cutting dust is also installed on the first lifting seat 44, and the dust box 46 is connected to the external suction structure.

[0035] The pressing plate assembly 5 includes a pressing plate beam 51, on which a knife wheel groove matching the first knife wheel 442 and the second knife wheel 454 of the corresponding cutting assembly 4 is arranged, and the tops of the first knife wheel 442 and the second knife wheel 454 both extend beyond the upper surface of the frame 1, and when the pressing plate beam 51 is lowered to press on the wooden board 8, the first knife wheel 442 and the second knife wheel 454 can extend into the knife wheel groove to avoid damage caused by collision between the knife wheels and the pressing plate beam 51, and a group of lifting columns 52 are arranged at each end of the pressing plate beam 51, and a lifting column 52 is arranged inside the lifting column 52. The telescopic rod 53 has one end fixedly connected to the platen beam 51, and the other end fixedly connected to the lifting column 52. The platen beam 51 is driven to move up and down relative to the lifting column 52 by the telescopic rod 53. A synchronous rack 54 is also fixedly installed in the lifting column 52. A synchronous shaft 55 is rotatably provided on one side of the platen beam 51. Synchronous gears 56 meshing with the synchronous rack 54 are fixedly installed at both ends of the synchronous shaft 55. The two synchronous gears 56 respectively cooperate with the synchronous racks 54 of the two sets of lifting columns 52.

[0036] The supporting assembly 2 includes a supporting platform 21, on the upper surface of which a conveying roller 22 extending laterally along the frame 1 is rotatably mounted, and the rotating plane of the conveying roller 22 is a vertical plane vertically parallel to the frame 1, so that the wooden board 8 on the conveying roller 22 can slide vertically along the frame 1, and four vertical telescopic rods 23 are also fixedly mounted on the supporting platform 21, and the telescopic ends of the four vertical telescopic rods 23 face upward and are fixedly mounted with the same lifting frame 24, and a plurality of conveying wheels 25 are rotatably mounted on the lifting frame 24, and the rotating plane of the conveying wheel 25 is vertically arranged and parallel to the transverse direction of the frame 1, so that the wooden board 8 can slide laterally on the conveying wheel 25 along the frame 1, and the vertical telescopic rod 23 drives the conveying wheel 25 to rise and fall synchronously through the lifting frame 24, and the conveying wheel 25 is higher than the conveying roller 22 when it rises to the highest point, and is lower than the conveying roller 22 when it falls to the lowest point.

[0037] The side push assembly 6 includes two horizontal push beams 61 fixedly mounted on the support platform 21, the horizontal push beams 61 extend horizontally along the frame 1, the two horizontal push beams 61 are provided with the same vertical push beam 62 which slides horizontally along the frame 1 through the cooperation of sliders and slide rails, the vertical push beams 62 are provided with a horizontal push motor 63 which drives the vertical push beam 62 to slide along the horizontal push beam 61, the horizontal push beam 61 is provided with a rack, the output end of the horizontal push motor 63 is provided with a gear, the horizontal push motor 63 drives the vertical push beam 62 to slide through the cooperation of the gear and the rack, the vertical push beam 62 is provided with a moving seat 64 which slides vertically along the frame 1, the moving seat 64 is provided with a vertical push motor which drives the moving seat 64 to slide along the vertical push beam 62 Motor 65, the vertical push motor 65 also drives the moving seat 64 to slide through the cooperation of corresponding gears and racks. Four side push structures 66 are fixedly installed on the moving seat 64. The side push structure 66 includes a mounting seat 661 fixedly connected to the moving seat 64. A lower clamping plate 662 is fixedly installed on the lower part of the mounting seat 661. An upper clamping plate 663 is installed on the mounting seat 661 to slide up and down above the lower clamping plate 662. A telescopic cylinder 664 that drives the upper clamping plate 663 to slide is also fixedly installed on the mounting seat 661; two parallel and vertically extending guide light columns 665 are fixedly installed on the lower clamping plate 662, and the upper clamping plate 663 and the two guide light columns 665 are slidably connected.

[0038] When the cutting device provided in this embodiment is used, the cutting program is first programmed in the control system 7 according to the production requirements, and then the control system 7 sends control instructions to each component, and each control component cooperates to complete the cutting operation. During the cutting process, the feeding motor 34 first drives the feeding rack 36 to move above the wooden board 8 raw material, the feeding cylinder 37 extends downward and absorbs the wooden board 8 through the negative pressure suction cup 38, and then the feeding cylinder 37 resets and sucks up the wooden board 8, and the feeding motor 34 drives the feeding rack 36 to move above the supporting platform 21, and the feeding cylinder 37 extends downward again to make the wooden board 8 descend; at this time, the horizontal push beam 61 and the vertical push beam 62 drive the moving seat 64 to move to the corresponding position according to the instructions of the control system 7, and then the telescopic cylinder 664 drives the upper clamping plate 663 to move downward and cooperates with the lower clamping plate 662 to complete the clamping of the wooden board 8, and the feeding motor 34 and the feeding cylinder 37 reset. Then, the horizontal push beam 61 and the vertical push beam 62 drive the moving seat 64 to move the wooden board 8 to the corresponding position according to the command of the control system 7. In the process of driving the wooden board 8 to move, the lifting frame 24 of the supporting assembly 2 rises or falls according to the moving direction of the wooden board 8. When the wooden board 8 moves horizontally along the frame 1, the lifting frame 24 rises; when the wooden board 8 moves vertically along the frame 1, the lifting frame 24 falls. When the wooden board 8 moves to a suitable position, the lifting telescopic rod 53 drives the pressing beam 51 to descend and press the wooden board 8. Then, the cutting assembly 4 starts the first lifting motor 441, the second lifting motor 451, the first cutting motor, the second cutting motor 453 and the electric telescopic rod 455 according to the command of the control system 7, adjusts the position of the first cutter wheel 442 and the second cutter wheel 454, and drives the first cutter wheel 442 and the second cutter wheel 454 to rotate. Then, the sliding motor 43 drives the cutting assembly 4 to move and cut the wooden board 8. After the cutting is completed, the control system 7 controls the moving position of the wooden board 8 again and performs the next cutting until the entire cutting process is completed.

[0039] The above-mentioned embodiment only expresses one implementation method of the utility model, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A CNC plate cutting device, comprising a frame (1), characterized in that: The frame (1) is provided with a feeding assembly (3) for feeding materials to the supporting assembly (2); two groups of cutting assemblies (4) are slidably installed inside the outer side of the frame (1); one group of cutting assemblies (4) slides horizontally relative to the frame (1), and the other group of cutting assemblies (4) slides vertically relative to the frame (1); the supporting assembly (2) is arranged on the inner side of the frame (1); and a control system (7) is also installed on the frame (1) and is communicatively connected to the feeding assembly (3), the cutting assembly (4) and the supporting assembly (2).

2. A CNC plate cutting device according to claim 1, characterized in that: The feeding assembly (3) comprises a gantry frame (31) arranged at one end of the frame (1) in the vertical direction, a feeding beam (32) extending vertically along the frame (1) is fixedly mounted on the gantry frame (31), a plurality of passive feeding gears (33) are rotatably mounted on the feeding beam (32), all the passive feeding gears (33) are meshed with the same feeding chain, a feeding motor (34) is also fixedly mounted on the feeding beam (32), and the feeding motor (34) is rotatably mounted on the feeding beam (32). 4) is fixedly installed with an active feeding gear (35) meshing with the feeding chain at the power output end, and a feeding frame (36) is slidably installed on the lower surface of the feeding beam (32). The feeding frame (36) is also fixedly connected with the feeding chain and driven by the feeding chain to slide along the feeding beam (32). A plurality of feeding cylinders (37) are fixedly installed on the feeding frame (36), and a negative pressure suction cup (38) is fixedly installed at the telescopic end of the feeding cylinder (37) downward.

3. A CNC plate cutting device according to claim 2, characterized in that: The frame (1) is fixedly provided with a cutting rail (11) extending in the sliding direction of the cutting assembly (4); the frame (1) is fixedly provided with a cutting rack (12) on one side of the cutting rail (11) and parallel to the cutting rail (11); the cutting assembly (4) comprises a base (41); a plurality of cutting sliders (42) slidingly matched with the cutting rail (11) are fixedly provided on the base (41); a sliding motor (43) is also fixedly provided on the base (41); a cutting gear (431) meshing with the cutting rack (12) is fixedly provided at the power output end of the sliding motor (43); a first gear (431) is fixedly provided on the base (41) on the side away from the inner side of the frame (1) and slides up and down. A lifting seat (44) and a first lifting motor (441) for driving the first lifting seat (44) to slide up and down, a first cutting motor is fixedly mounted on the first lifting seat (44), and a first cutting wheel (442) is connected to a power output end of the first cutting motor; a second lifting seat (45) and a second lifting motor (451) for driving the second lifting seat (45) to slide up and down are also mounted on one side of the first lifting seat (44), and a second cutting motor (453) is mounted on the second lifting seat (45), and a second cutting wheel (454) is connected to a power output end of the second cutting motor (453), and a diameter of the first cutting wheel (442) is greater than that of the second cutting wheel (454).

4. The CNC plate cutting device according to claim 3, characterized in that: A transverse seat (452) is installed on the upper surface of the second lifting seat (45) in a horizontally sliding manner, the second cutting motor (453) is fixedly installed on the transverse seat (452), the second knife wheel (454) is rotatably installed on the transverse seat (452), and an electric telescopic rod (455) is fixedly installed on one side of the transverse seat (452), the telescopic end of the electric telescopic rod (455) is connected to the second lifting seat (45), and the transverse seat (452) is driven by the electric telescopic rod (455) to slide horizontally toward or away from the inner side of the frame (1); the first lifting seat (44) is also installed with a dust collection box (46) covering the first knife wheel (442) and the second knife wheel (454) and used to collect cutting dust.

5. The CNC plate cutting device according to claim 4, characterized in that: The supporting assembly (2) comprises a supporting platform (21), on the upper surface of which a conveying roller (22) extending laterally along the frame (1) is rotatably mounted, and a plurality of vertical telescopic rods (23) are also fixedly mounted on the supporting platform (21), the telescopic ends of all the vertical telescopic rods (23) are upwardly directed and fixedly mounted with a same lifting frame (24), a plurality of conveying wheels (25) are rotatably mounted on the lifting frame (24), the rotating plane of the conveying wheels (25) is vertically arranged and parallel to the transverse direction of the frame (1), and the vertical telescopic rods (23) drive the conveying wheels (25) to rise and fall synchronously through the lifting frame (24).

6. The CNC plate cutting device according to claim 5, characterized in that: The machine also comprises two groups of pressing plate assemblies (5) which are communicatively connected to the control system (7), the pressing plate assemblies (5) and the cutting assemblies (4) corresponding to each other one by one, the pressing plate assemblies (5) comprising a pressing plate beam (51), the pressing plate beam (51) being provided with a knife wheel groove which matches the first knife wheel (442) and the second knife wheel (454) of the corresponding cutting assembly (4), a group of lifting columns (52) being provided at each end of the pressing plate beam (51), a lifting telescopic rod (53) being provided in the lifting column (52), one end of the lifting telescopic rod (53) being fixed to the pressing plate beam (51) The lifting and telescopic rod (53) is connected to the lifting column (52), and the other end of the lifting and telescopic rod (53) is fixedly connected to the lifting column (52). The lifting and telescopic rod (53) drives the pressure plate beam (51) to move up and down relative to the lifting column (52); a synchronous rack (54) is also fixedly installed in the lifting column (52), and a synchronous shaft (55) is rotatably arranged on one side of the pressure plate beam (51). Both ends of the synchronous shaft (55) are fixedly installed with synchronous gears (56) meshing with the synchronous rack (54), and the two synchronous gears (56) are respectively matched with the synchronous racks (54) of the two sets of lifting columns (52).

7. The CNC plate cutting device according to claim 6, characterized in that: It also includes a side push assembly (6) that is communicatively connected to the control system (7), the side push assembly (6) including a horizontal push beam (61) fixedly mounted on a support platform (21), the horizontal push beam (61) extending laterally along the frame (1), a vertical push beam (62) mounted on the horizontal push beam (61) to slide laterally along the frame (1), a horizontal push motor (63) for driving the vertical push beam (62) to slide along the horizontal push beam (61) mounted in the vertical push beam (62), a moving seat (64) mounted on the vertical push beam (62) to slide vertically along the frame (1), a vertical push motor (63) for driving the moving seat (64) to slide along the vertical push beam (62) mounted on the moving seat (64) The movable seat (64) is provided with a plurality of side thrust structures (66), the side thrust structures (66) comprising a mounting seat (661) fixedly connected to the movable seat (64), a lower clamping plate (662) being fixedly mounted on the lower portion of the mounting seat (661), an upper clamping plate (663) being mounted on the mounting seat (661) so as to slide up and down above the lower clamping plate (662), and a telescopic cylinder (664) for driving the upper clamping plate (663) to slide is also fixedly mounted on the mounting seat (661); a guide light column (665) is fixedly mounted on the lower clamping plate (662), and the upper clamping plate (663) and the guide light column (665) are slidably connected.

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