Cutting device for synchronous cutting of multiple layers of materials

Abstract

The cutting device comprises a cutting device body and a rack arranged on the cutting device body, a transmission shaft is rotationally installed on the inner side of the rack, and a conveying belt used for conveying the multiple layers of materials is in transmission connection to the transmission shaft through conveying wheels. A driving motor is arranged on the outer side of the rack, and the output end of the driving motor is fixedly connected with the outer end of the transmission shaft; a mounting frame is arranged on the inner side of the rack, and an electric telescopic cylinder is fixedly mounted on the mounting frame. According to the device, the cutter can be conveniently disassembled, assembled and replaced, and the cutter is very firmly positioned after being replaced, so that subsequent stable cutting use is facilitated; and meanwhile, the height position and the angle position of the cutter can be adjusted conveniently, the cutting precision of the multi-layer materials can be guaranteed, the flexibility of the cutter in the cutting process is higher, it is guaranteed that the overall cutting effect is better, and the cutting use requirement of people is greatly met.

Description

Technical Field

[0001] The invention relates to the technical field of cutting devices, and in particular to a cutting device for synchronously cutting multi-layer materials. Background Art

[0002] With the vigorous development of modern manufacturing industry, multi-layer materials are widely used in many fields such as packaging, textiles, leather products, automotive interiors and other industries, which makes the synchronous cutting technology of multi-layer materials a key process in the production process. For example, the prior art CN118639430A discloses a multi-layer cloth high-precision synchronous cutting device. By improving the vacuum adsorption platform, optimizing the adjustable pressure plate design, introducing auxiliary fixing mechanism and integrated intelligent control system and other detailed design schemes, the stability and reliability of the cloth positioning unit can be further improved, ensuring the precise positioning of the multi-layer cloth during the cutting process and preventing the misalignment between layers.

[0003] For this type of cutting operation, the tool performance and adaptability of the cutting device are directly related to product quality, production efficiency and cost control. The cutting device often needs to replace the cutting tool when cutting different materials. However, the replacement structure of the cutting tool in the existing cutting device is complex, and the operator needs to use a variety of complex tools. The replacement process is cumbersome and time-consuming, which seriously affects production efficiency. When faced with different cutting tasks or when the tool is worn, it is difficult to quickly complete the tool replacement to adapt to the new task. In addition, in terms of tool adjustment, there is a lack of fine-tuning mechanism, and it is difficult to adjust the tool height and angle according to the actual cutting needs of the material. The cutting accuracy of multi-layer material cutting cannot be guaranteed, the scrap rate is high, and the production cost is increased.

[0004] Therefore, there is an urgent need for a convenient tool replacement and precise fine-tuning mechanism to solve the above problems. To this end, the present invention provides a cutting device for synchronous cutting of multi-layer materials. Summary of the invention

[0005] Based on the technical problems existing in the background technology, the present invention proposes a cutting device for synchronously cutting multi-layer materials.

[0006] The present invention provides a cutting device for synchronously cutting multi-layer materials, comprising a cutting device body and a frame arranged on the cutting device body, a transmission shaft is rotatably installed on the inner side of the frame, a conveyor belt for transmitting the multi-layer materials is connected to the transmission shaft through a transmission wheel, a driving motor is arranged on the outer side of the frame, and the output end of the driving motor is fixedly connected to the outer end of the transmission shaft; a mounting frame is arranged on the inner side of the frame, an electric telescopic cylinder is fixedly installed on the mounting frame, a mounting seat is fixedly connected to the output end of the electric telescopic cylinder, a mounting mechanism is arranged at the bottom of the mounting seat, a connecting frame is movably installed at the bottom of the mounting seat through the mounting mechanism, a height adjustment mechanism is arranged at the bottom side of the connecting frame, a knife holder is movably connected to the bottom side of the connecting frame through the height adjustment mechanism, an angle adjustment mechanism is arranged at the bottom of the knife holder, and a cutting tool for cutting the multi-layer materials is movably installed at the bottom of the knife holder through the angle adjustment mechanism;

[0007] The mounting mechanism comprises mounting grooves arranged on both sides of the bottom of the mounting seat, mounting blocks are fixedly connected to both sides of the top of the connecting frame, and the mounting blocks are movably arranged in the mounting grooves; a groove is also arranged on the connecting frame between the two mounting grooves, a door-type bracket is fixedly installed in the groove, a rotating stepping motor is fixedly installed in the door-type bracket, the output shaft of the rotating stepping motor rotates and passes through the top of the door-type bracket and is fixedly connected to the rotating frame, the top two ends of the rotating frame are respectively rotatably connected to rotating connecting rods, the ends of the two rotating connecting rods away from each other are respectively rotatably connected to sliding seats, and the sliding seats are slidably installed on the bottom inner wall of the groove along the horizontal direction, the two sliding seats are fixedly connected to the sides away from each other with positioning columns, a positioning groove is arranged on the mounting block, and one end of the positioning column is movably positioned in the positioning groove.

[0008] As a further preferred embodiment of the present invention, a slide rail is provided on the inner wall of the bottom side of the groove, and the slide seat is slidably installed on the slide rail along the horizontal direction; an elastic spring is also fixedly connected between the slide seat and the door-shaped bracket.

[0009] As a further preference of the present invention, a movable groove is provided on the positioning column located in the positioning groove, a movable block is movably installed in the movable groove, a compression spring is fixedly connected between the movable block and the top inner wall of the movable groove, a positioning damping ball is rollingly installed on the bottom of the movable block, a positioning rolling groove is provided on the bottom inner wall of the positioning groove, and the bottom side of the positioning damping ball is movably arranged in the positioning rolling groove.

[0010] As a further preferred embodiment of the present invention, vertical sliding blocks are provided on both sides of the movable block, vertical sliding grooves are provided on both side inner walls of the movable groove, and the vertical sliding blocks are slidably installed in the vertical sliding grooves along the vertical direction.

[0011] As a further preference of the present invention, the height adjustment mechanism includes an installation cavity provided on both sides of the bottom of the connecting frame, and a lifting pillar is movably installed in the installation cavity, and the bottom end of the lifting pillar is movably connected to the bottom of the connecting frame and is fixedly connected to the tool holder; a lifting block is fixedly connected to the top of the lifting pillar, and two screws are rotatably installed in the installation cavity, a nut is fixedly sleeved on the lifting block, and the screw and the nut are threadedly connected, and an installation groove is provided on the top inner wall of the installation cavity, and a rotating motor is fixedly installed in the installation groove, and the output shaft of the rotating motor is fixedly connected to the top of the screw.

[0012] As a further preferred embodiment of the present invention, a compensation spring is fixedly connected between the top of the lifting block and the top inner wall of the installation cavity.

[0013] As a further preferred embodiment of the present invention, the angle adjustment mechanism includes a rotating chamber arranged inside the tool holder, the top of the cutting tool is fixedly connected to a rotating pillar, the top of the rotating pillar rotates through the rotating chamber and is fixedly connected to a rotating shaft, a gear is fixedly sleeved on the rotating shaft, a transversely arranged spur rack is meshed on the gear, and an electric telescopic rod is also installed in the rotating chamber, and the output end of the electric telescopic rod is fixedly connected to the spur rack.

[0014] As a further preference of the present invention, a controller is provided on the right side of the frame, and the controller is electrically controlled and connected with the electric telescopic cylinder, the drive motor, the rotary stepping motor, the electric telescopic rod, and the rotary motor respectively.

[0015] The beneficial effects of the present invention are:

[0016] 1. The present invention is not only convenient for cutting multi-layer materials, but also convenient for disassembling, assembling and replacing the cutting tool by setting a mounting mechanism; and the elastic spring after installation also has an elastic reaction to ensure that the positioning column is firmly positioned on the positioning groove; at the same time, the positioning damping ball on the bottom side of the positioning column can compress the compression spring through the movable block, thereby positioning the positioning damping ball in the positioning rolling groove, so that the positioning column can be further firmly positioned in the positioning groove through the positioning coordination of the positioning damping ball and the positioning rolling groove, thereby ensuring that the cutting tool is more firmly positioned after installation and is not easy to loosen and fall off, and the tool can be replaced only by rotating the stepping motor forward and backward, thus avoiding the need for people to use multiple tools when replacing the cutting tool in the past, thereby causing the replacement process to be cumbersome and time-consuming, and greatly improving the efficiency of tool replacement.

[0017] 2. In the present invention, a height adjustment mechanism is provided, and a rotating motor is used to drive the screw rod to work forward and reversely, so that the lifting block is threaded upward or downward on the screw rod through the nut, and the lifting block drives the lifting support, the tool holder and the cutting tool to lift and adjust, so that the overall cutting height of the cutting tool can be adjusted according to the thickness of the multi-layer material; and after adjustment, the compensation spring piece will also produce an elastic compensation effect, which can make the thread engagement between the nut on the lifting block and the screw rod more tight, and it is not easy to have the thread loose, ensuring that it is very stable after adjustment.

[0018] 3. In the present invention, an angle adjustment mechanism is also provided, and the extension and retraction of the electric telescopic rod is utilized to drive the spur rack to move left and right. When the spur rack moves left and right, it meshes with the gear for transmission, thereby driving the rotating shaft and the rotating support to rotate. The rotating support can drive the cutting tool to rotate forward or reverse, thereby being able to adjust the cutting angle position of the cutting tool according to actual cutting needs.

[0019] To sum up, the cutting device for synchronous cutting of multi-layer materials is not only convenient for disassembly, assembly and replacement of the tool, but also the tool is positioned very firmly after replacement, so as to facilitate subsequent stable use; at the same time, it is also convenient to adjust the height position and angle position of the tool, which is conducive to ensuring the cutting accuracy of multi-layer materials, and also makes the tool more flexible in cutting use, thereby ensuring the overall cutting effect is better, which greatly meets people's cutting needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic structural diagram of a cutting device for synchronously cutting multi-layer materials proposed by the present invention;

[0021] Figure 2 It is a schematic diagram of the structure of a part of the present invention;

[0022] Figure 3 For the present invention Figure 2 The structural diagram of the enlarged part A in the middle;

[0023] Figure 4 For the present invention Figure 3 The enlarged structural diagram of part C in the middle;

[0024] Figure 5 For the present invention Figure 2 The structural diagram of part B;

[0025] Figure 6 It is a schematic diagram of the structure of the compensating spring in the present invention.

[0026] In the figure: 1, cutting device body; 101, driving motor; 102, transmission shaft; 103, conveyor belt; 2, frame; 3, mounting frame; 4, electric telescopic cylinder; 5, mounting seat; 501, mounting slot; 502, groove; 6, connecting frame; 601, mounting cavity; 602, lifting support; 603, rotating motor; 604, screw; 605, nut; 606, lifting block; 607, compensation spring; 7, knife holder; 701, rotating cavity; 702, rotating support; 703, electric telescopic cylinder retractable rod; 704, spur rack; 705, gear; 706, rotating shaft; 8, cutting tool; 9, multi-layer material; 10, controller; 11, mounting block; 1101, positioning groove; 12, door-type bracket; 13, rotating stepping motor; 14, rotating frame; 15, rotating connecting rod; 16, slide seat; 17, positioning column; 18, elastic spring; 19, positioning damping ball; 191, movable block; 192, compression spring; 193, movable groove; 194, vertical slider; 195, positioning roller groove. DETAILED DESCRIPTION

[0027] The present invention will be further explained below in conjunction with specific embodiments.

[0028] Example

[0029] refer to Figure 1-6 In this embodiment, a cutting device for synchronous cutting of multi-layer materials is proposed, including a cutting device body 1 and a frame 2 arranged on the cutting device body 1, a transmission shaft 102 is rotatably installed on the inner side of the frame 2, and a conveyor belt 103 for transmitting the multi-layer material 9 is connected to the transmission shaft 102 through a transmission wheel, and a driving motor 101 is arranged on the outer side of the frame 2, and the output end of the driving motor 101 is fixedly connected to the outer end of the transmission shaft 102; a mounting frame 3 is arranged on the inner side of the frame 2, an electric telescopic cylinder 4 is fixedly installed on the mounting frame 3, and a mounting seat 5 is fixedly connected to the output end of the electric telescopic cylinder 4, and a mounting mechanism is provided at the bottom of the mounting seat 5, and a connecting frame 6 is movably installed at the bottom of the mounting seat 5 through the mounting mechanism, and a height adjustment mechanism is provided at the bottom side of the connecting frame 6, and a knife holder 7 is movably connected to the bottom side of the connecting frame 6 through the height adjustment mechanism, and an angle adjustment mechanism is provided at the bottom of the knife holder 7, and a cutting tool 8 for cutting the multi-layer material 9 is movably installed at the bottom of the knife holder 7 through the angle adjustment mechanism;

[0030] like Figure 2-4In the embodiment, the mounting mechanism includes mounting grooves 501 arranged on both sides of the bottom of the mounting seat 5, and mounting blocks 11 are fixedly connected to both sides of the top of the connecting frame 6, and the mounting blocks 11 are movably arranged in the mounting grooves 501; a groove 502 is also provided on the connecting frame 6 located between the two mounting grooves 501, and a door-type bracket 12 is fixedly installed in the groove 502, and a rotating stepping motor 13 is fixedly installed in the door-type bracket 12, and the output shaft of the rotating stepping motor 13 rotates and passes through the top of the door-type bracket 12 and is fixedly connected to a rotating frame 14, and the top two ends of the rotating frame 14 are respectively rotatably connected with rotating connecting rods 15, and the ends of the two rotating connecting rods 15 away from each other are respectively rotatably connected with sliding seats 16, and the sliding seats 16 are slidably installed on the bottom inner wall of the groove 502 along the horizontal direction, and the sides of the two sliding seats 16 away from each other are fixedly connected with positioning columns 17, and a positioning groove 1101 is provided on the mounting block 11, and one end of the positioning column 17 is movably positioned in the positioning groove 1101.

[0031] like Figure 3-4 In the figure, a slide rail is arranged on the inner wall of the bottom side of the groove 502, and the slide seat 16 is slidably installed on the slide rail along the horizontal direction; an elastic spring 18 is also fixedly connected between the slide seat 16 and the door-shaped bracket 12; a movable groove 193 is arranged on the positioning column 17 located in the positioning groove 1101, and a movable block 191 is movably installed in the movable groove 193, a compression spring 192 is fixedly connected between the movable block 191 and the inner wall of the top side of the movable groove 193, a positioning damping ball 19 is rollingly installed on the bottom of the movable block 191, a positioning rolling groove 195 is arranged on the inner wall of the bottom side of the positioning groove 1101, and the bottom side of the positioning damping ball 19 is movably arranged in the positioning rolling groove 195.

[0032] like Figure 4 In the embodiment, vertical sliders 194 are provided on both sides of the movable block 191, vertical slide grooves are provided on both inner walls of the movable groove 193, and the vertical sliders 194 are slidably installed in the vertical slide grooves along the vertical direction.

[0033] like Figure 2 , 5 In the figure, the height adjustment mechanism includes an installation cavity 601 arranged on both sides of the bottom of the connecting frame 6, and a lifting pillar 602 is movably installed in the installation cavity 601. The bottom end of the lifting pillar 602 is movably extended to the bottom of the connecting frame 6 and is fixedly connected to the tool holder 7; a lifting block 606 is fixedly connected to the top of the lifting pillar 602, and two screws 604 are rotatably installed in the installation cavity 601. A nut 605 is fixedly sleeved on the lifting block 606, and the screw 604 is threadedly connected to the nut 605. An installation groove is provided on the inner wall of the top side of the installation cavity 601, and a rotating motor 603 is fixedly installed in the installation groove, and the output shaft of the rotating motor 603 is fixedly connected to the top of the screw 604; a compensation spring 607 is also fixedly connected between the top of the lifting block 606 and the top inner wall of the installation cavity 601.

[0034] like Figure 2-3 In the figure, the angle adjustment mechanism includes a rotating chamber 701 arranged inside the tool holder 7, the top of the cutting tool 8 is fixedly connected to a rotating pillar 702, the top of the rotating pillar 702 rotates through the rotating chamber 701 and is fixedly connected to a rotating shaft 706, a gear 705 is fixedly sleeved on the rotating shaft 706, and a transversely arranged spur rack 704 is meshed on the gear 705. An electric telescopic rod 703 is also installed in the rotating chamber 701, and the output end of the electric telescopic rod 703 is fixedly connected to the spur rack 704.

[0035] A controller 10 is provided on the right side of the frame 2 , and the controller 10 is electrically controlled and connected to the electric telescopic cylinder 4 , the driving motor 101 , the rotary stepping motor 13 , the electric telescopic rod 703 , and the rotary motor 603 , respectively.

[0036] like Figure 1-6 The cutting device shown is used for synchronous cutting of multi-layer materials. During cutting, the electric telescopic cylinder 4 is used to push the mounting seat 5, the connecting frame 6, the knife holder 7 and the cutting tool 8 to move downward as a whole, so that the multi-layer material 9 can be cut. When the cutting tool 8 needs to be replaced, the rotating stepper motor 13 in the installation mechanism is used to drive the rotating frame 14 to rotate. When the rotating frame 14 rotates, the two slide seats 16 and the positioning column 17 can be driven to move closer to each other by the rotating connecting rod 15, so that the positioning column 17 can be disengaged from the positioning groove 1101 on the mounting block 11, so that the positioning of the positioning column 17 on the mounting block 11 can be released, and then the cutting tool 8, the tool holder 7, the connecting frame 6 and the mounting block 11 can be taken out downward from the mounting groove 501 for disassembly; then, the cutting tool 8 that needs to be replaced is taken over, and the cutting tool 8, the tool holder 7 and the mounting block 11 above the connecting frame 6 are inserted into the mounting groove 501, and then the rotating stepper motor 13 works in the reverse direction, which can drive the rotating frame 14 to rotate and drive the two slide seats 16 and the positioning column 17 to move away from each other by the rotating connecting rod 15, and the positioning column 17 can be moved to the mounting block 11 The positioning groove 1101 can be positioned for installation; and the elastic spring 18 after installation also has an elastic reaction to ensure that the positioning column 17 is firmly positioned in the positioning groove 1101; at the same time, the positioning damping ball 19 on the bottom side of the positioning column 17 can also compress the compression spring 192 through the movable block 191, thereby positioning the positioning damping ball 19 in the positioning rolling groove 195. In this way, through the positioning and cooperation between the positioning damping ball 19 and the positioning rolling groove 195, it can further ensure that the positioning column 17 is firmly positioned in the positioning groove 1101, thereby ensuring that the cutting tool 8 is positioned more firmly after installation and is not easy to loosen and fall off, and the tool can be replaced only by rotating the stepping motor 13 in the forward and reverse directions. This avoids the need for people to use multiple tools when replacing the cutting tool in the past, which leads to the cumbersome and time-consuming replacement process, thereby greatly improving the efficiency of tool replacement.

[0037] like Figure 2-4 In the embodiment, a height adjustment mechanism is provided so that the tool height can be adjusted according to actual needs. When adjusting, the screw rod 604 is driven to work forward and reversely by rotating the motor 603, so that the lifting block 606 is threaded upward or downward on the screw rod 604 through the nut 605. The lifting block 606 drives the lifting support 602, the tool holder 7 and the cutting tool 8 to move up and down. In this way, the overall cutting height of the cutting tool 8 can be adjusted according to the thickness of the multi-layer material 9. After adjustment, the compensation spring 607 will also produce elastic compensation, which can make the thread engagement between the nut 605 on the lifting block 606 and the screw rod 604 tighter, and the thread is not easy to loosen, ensuring that it is very stable after adjustment.

[0038] like Figure 2-3 In the embodiment, an angle adjustment mechanism is also provided, so that the cutting angle of the tool can be adjusted according to actual needs, that is, the electric telescopic rod 703 is extended and retracted to drive the spur rack 704 to move left and right, and the spur rack 704 is meshed with the gear 705 when moving left and right, thereby driving the rotating shaft 706 and the rotating support 706 to rotate, and the rotating support 706 can drive the cutting tool 8 to rotate forward or reverse, so that the cutting angle position of the cutting tool 8 can be adjusted according to actual cutting needs. Finally, the present invention is not only convenient for disassembly, assembly and replacement of the tool, but also convenient for adjusting the height position and angle position of the tool, which is conducive to ensuring the cutting accuracy of multi-layer materials, ensuring better overall cutting effect, and greatly meeting people's cutting needs.

[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cutting device for synchronously cutting multi-layer materials, comprising a cutting device body (1) and a frame (2) arranged on the cutting device body (1), a transmission shaft (102) being rotatably mounted on the inner side of the frame (2), a conveyor belt (103) for transmitting the multi-layer materials (9) being connected to the transmission shaft (102) via a transmission wheel, a driving motor (101) being arranged on the outer side of the frame (2), an output end of the driving motor (101) being fixedly connected to the outer end of the transmission shaft (102); characterized in that: A mounting frame (3) is arranged on the inner side of the frame (2), an electric telescopic cylinder (4) is fixedly mounted on the mounting frame (3), an output end of the electric telescopic cylinder (4) is fixedly connected to a mounting seat (5), a mounting mechanism is arranged at the bottom of the mounting seat (5), a connecting frame (6) is movably mounted at the bottom of the mounting seat (5) through the mounting mechanism, a height adjustment mechanism is arranged at the bottom side of the connecting frame (6), a tool holder (7) is movably connected to the bottom side of the connecting frame (6) through the height adjustment mechanism, an angle adjustment mechanism is arranged at the bottom of the tool holder (7), and a cutting tool (8) for cutting multilayer materials (9) is movably mounted at the bottom of the tool holder (7) through the angle adjustment mechanism; The mounting mechanism comprises mounting grooves (501) arranged at both sides of the bottom of the mounting seat (5); mounting blocks (11) are fixedly connected to both sides of the top of the connecting frame (6), and the mounting blocks (11) are movably arranged in the mounting grooves (501); a groove (502) is also arranged on the connecting frame (6) between the two mounting grooves (501); a gate-shaped bracket (12) is fixedly installed in the groove (502); a rotating stepping motor (13) is fixedly installed in the gate-shaped bracket (12); an output shaft of the rotating stepping motor (13) rotates and passes through the gate-shaped bracket (12) ) is fixedly connected to a rotating frame (14) above the mounting block (11), and rotating connecting rods (15) are rotatably connected to the two ends of the top of the rotating frame (14), and the ends of the two rotating connecting rods (15) that are away from each other are rotatably connected to slide seats (16), and the slide seats (16) are slidably installed on the bottom inner wall of the groove (502) along the horizontal direction, and the sides of the two slide seats (16) that are away from each other are fixedly connected to positioning columns (17), and a positioning groove (1101) is provided on the mounting block (11), and one end of the positioning column (17) is movably positioned in the positioning groove (1101).

2. A cutting device for synchronously cutting multi-layer materials according to claim 1, characterized in that: A slide rail is provided on the inner wall of the bottom side of the groove (502), and the slide seat (16) is slidably installed on the slide rail in the horizontal direction; an elastic spring (18) is also fixedly connected between the slide seat (16) and the door-shaped bracket (12).

3. A cutting device for synchronously cutting multi-layer materials according to claim 1, characterized in that: A movable groove (193) is provided on the positioning column (17) located in the positioning groove (1101), a movable block (191) is movably installed in the movable groove (193), a compression spring (192) is fixedly connected between the movable block (191) and the top inner wall of the movable groove (193), a positioning damping ball (19) is rotatably installed at the bottom of the movable block (191), a positioning rolling groove (195) is provided on the bottom inner wall of the positioning groove (1101), and the bottom side of the positioning damping ball (19) is movably arranged in the positioning rolling groove (195).

4. A cutting device for synchronously cutting multi-layer materials according to claim 3, characterized in that: Vertical sliding blocks (194) are provided on both sides of the movable block (191), vertical sliding grooves are provided on both side inner walls of the movable groove (193), and the vertical sliding blocks (194) are slidably installed in the vertical sliding grooves along the vertical direction.

5. A cutting device for synchronously cutting multi-layer materials according to claim 1, characterized in that: The height adjustment mechanism comprises an installation cavity (601) arranged at both sides of the bottom of the connecting frame (6), a lifting pillar (602) is movably installed in the installation cavity (601), the bottom end of the lifting pillar (602) is movably extended to the bottom of the connecting frame (6) and is fixedly connected to the tool holder (7); a lifting block (606) is fixedly connected to the top of the lifting pillar (602), two screw rods (604) are rotatably installed in the installation cavity (601), a nut (605) is fixedly sleeved on the lifting block (606), and the screw rod (604) and the nut (605) are threadedly connected, and an installation groove is provided on the top inner wall of the installation cavity (601), a rotating motor (603) is fixedly installed in the installation groove, and the output shaft of the rotating motor (603) is fixedly connected to the top of the screw rod (604).

6. A cutting device for synchronously cutting multi-layer materials according to claim 5, characterized in that: A compensation spring (607) is also fixedly connected between the top of the lifting block (606) and the top inner wall of the installation cavity (601).

7. A cutting device for synchronously cutting multi-layer materials according to claim 1, characterized in that: The angle adjustment mechanism comprises a rotating chamber (701) arranged inside the tool holder (7); the top of the cutting tool (8) is fixedly connected to a rotating support (702); the top of the rotating support (702) rotates through the rotating chamber (701) and is fixedly connected to a rotating shaft (706); a gear (705) is fixedly sleeved on the rotating shaft (706); a spur rack (704) arranged laterally is meshed on the gear (705); an electric telescopic rod (703) is also installed in the rotating chamber (701); the output end of the electric telescopic rod (703) is fixedly connected to the spur rack (704).

8. A cutting device for synchronously cutting multi-layer materials according to claim 1, characterized in that: A controller (10) is provided on the right side of the frame (2), and the controller (10) is electrically controlled and connected to the electric telescopic cylinder (4), the drive motor (101), the rotary stepping motor (13), the electric telescopic rod (703), and the rotary motor (603) respectively.

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