Paper cutting device using ultrasonic technology

Abstract

A paper cutting device using ultrasonic technology, the device comprising a device outer body (1); a feed slot (101) and a discharge slot are symmetrically provided in the front end face and the rear end face of the device outer body (1) respectively; a partition plate (102) is fixedly installed in the device outer body (1), and the two sides separated by the partition plate (102) inside the device outer body (1) are configured as a cutting cavity and an apparatus cavity respectively; a first paper pressing mechanism (13) and a second paper pressing mechanism (16) are respectively arranged along two sides of the lower portion of the inside of the cutting cavity inside the device outer body (1), and the internal structures of the first paper pressing mechanism (13) and the second paper pressing mechanism (16) are the same; the first paper pressing mechanism (13) comprises a second frame (1301), an upper slot body (1302) and a lower slot body (1303), the upper slot body (1302) and the lower slot body (1303) being symmetrically arranged inside the second frame (1301), and the internal structures of the upper slot body (1302) and the lower slot body (1303) being the same. The present invention solves the problem of poor practicability of existing paper cutting devices due to inconvenient automated input and output of paper sheets during paper sheet cutting operation.

Description

A paper cutting device using ultrasonic technology Technical Field

[0001] The invention relates to the technical field of paper cutting devices, in particular to a paper cutting device utilizing ultrasonic technology. Background Art

[0002] Paper is made from raw materials containing plant fibers through pulping, conditioning, papermaking, and processing. It can be used for writing, drawing, printing books and newspapers, packaging, etc. During the paper production process, in order to meet the user's size requirements or for reasons such as uneven edges, it is often necessary to use a paper cutting device to cut the paper.

[0003] For example, the authorized patent with announcement number CN207807863U (a paper cutting device): includes a rectangular paper cutting table, a rotating screw rod parallel to its width direction is mounted above the paper cutting table, one end of the rotating screw rod is connected to a reduction motor that can drive it to rotate forward and reverse, the rotating screw rod is provided with a slider that is spirally transmitted with it, the lower part of the slider is provided with a knife seat, and the lower part of the knife seat is provided with a roller for cutting paper; a cutting groove is provided on the paper cutting table along the movement trajectory of the roller, and the lower blade tip of the roller is located in the cutting groove. Technical issues

[0004] Although the above-mentioned existing technology is convenient for improving paper cutting efficiency and reducing labor intensity, the cut paper needs to be manually taken out when cutting the paper. Therefore, the existing paper cutting device needs to be manually placed and taken out when cutting the paper, which is not convenient for automatic input and output of paper and has poor practicality. Therefore, the market urgently needs to develop a paper cutting device using ultrasonic technology to help people solve the existing problems. Technical Solutions

[0005] The purpose of the present invention is to provide a paper cutting device using ultrasonic technology to solve the problem that the existing paper cutting device proposed in the above background technology is inconvenient for automatic input and output of paper during paper cutting and has poor practicality.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a paper cutting device using ultrasonic technology, comprising an outer body of the device, wherein a feed slot and a discharge slot are symmetrically arranged on the front end surface and the rear end surface of the outer body of the device, a partition is fixedly installed inside the outer body of the device, and the interior of the outer body of the device is respectively provided with a cutting cavity and an equipment cavity along both sides of the partition, and the interior of the outer body of the device is respectively provided with a first paper pressing mechanism and a second paper pressing mechanism along both sides of the lower part of the interior of the cutting cavity, and the internal structures of the first paper pressing mechanism and the second paper pressing mechanism are the same, the first paper pressing mechanism comprises a frame 2, an upper trough body and a lower trough body, and the upper trough body and the lower trough body are respectively provided with a cutting cavity and an equipment cavity. It is arranged inside the frame two, and the internal structures of the upper trough body and the lower trough body are the same. The third electric cylinders are symmetrically fixedly installed above and below the frame two, and the push rod ends of the two third electric cylinders extend into the interior of the frame two and are fixedly connected to the upper trough body and the lower trough body respectively. A pulley is provided inside the upper trough body, and a central shaft is fixedly installed inside the pulley, and the central shaft passes through the pulley and is rotatably connected to the upper trough body. A motor box is fixedly installed on one side of the upper trough body, and a conveyor belt is provided on the outside of the pulley, and a pressure plate is fixedly installed on the outside of the conveyor belt, and there are multiple pressure plates, and a rubber pad is fixedly installed on the outside of the pressure plate.

[0007] Preferably, a support cross bar is installed on one side of the first paper pressing mechanism, and the support cross bar is fixedly connected to the outer body of the device by screws. A support vertical bar is installed below the first paper pressing mechanism, and the support vertical bar is fixedly connected to the outer body of the device by screws.

[0008] Preferably, a first electric cylinder is fixedly installed on one side of the partition along the inside of the equipment cavity, the push rod end of the first electric cylinder passes through the partition and is fixedly connected to the second paper pressing mechanism, a stabilizing vertical plate is fixedly installed on the outside of the first electric cylinder, and the stabilizing vertical plate is fixedly connected to the outer body of the device by screws, and first guide rods are symmetrically installed above and below one side of the second paper pressing mechanism, and the end of the first guide rod away from the second paper pressing mechanism passes through the partition and the stabilizing vertical plate in sequence.

[0009] Preferably, a folding plate is fixedly mounted on one side of the second frame, a pad is fixedly mounted above the folding plate, and a first laser displacement sensor is fixedly mounted on the side of the partition facing the second paper pressing mechanism.

[0010] Preferably, a support plate is provided on one side of the inside of the feed slot, and the support plate is fixedly connected to the outer body of the device by screws, an adjustment plate is provided on the other side of the inside of the feed slot, a vertical plate is fixedly installed on the inside of the outer body of the device along one side of the adjustment plate, a fourth electric cylinder is fixedly installed on one side of the vertical plate, a push rod end of the fourth electric cylinder passes through the vertical plate and is fixedly connected to the adjustment plate, and a third laser displacement sensor is fixedly installed on the side of the vertical plate facing the adjustment plate.

[0011] Preferably, a sliding block is provided inside the outer body of the device along the upper part of the cutting cavity, a fixed plate is fixedly installed on the front end surface of the sliding block, a cutting mechanism is provided below the fixed plate, the cutting mechanism includes a frame one, a transducer is provided inside the frame one, a variable amplitude rod is fixedly installed below the transducer, a cutting knife is fixedly installed below the variable amplitude rod, a horizontal plate is fixedly installed on the outside of the transducer and the variable amplitude rod, and the horizontal plate is fixedly connected to the frame one by screws.

[0012] Preferably, a second laser displacement sensor is fixedly installed on the side of the partition facing the sliding block, an equipment box is fixedly installed on one side of the partition along the upper part of the inside of the equipment cavity, a second electric cylinder is fixedly installed in the middle above the fixed plate, the push rod end of the second electric cylinder passes through the fixed plate and is fixedly connected to the frame one, and second guide rods are symmetrically fixedly installed on both sides above the frame one, and the upper end of the second guide rod passes through the fixed plate.

[0013] Preferably, a ball screw is rotatably installed inside the sliding block through a ball nut, and both ends of the ball screw pass through the sliding block and are fixedly connected to the outer body of the device and the partition respectively. Guide columns are symmetrically arranged above and below the ball screw, and the guide columns pass through the sliding block, and the two ends of the guide columns are fixedly connected to the outer body of the device and the partition respectively.

[0014] Preferably, a support frame is fixedly installed below the outer body of the device, a back plate is fixedly installed above the outer body of the device, and a first scale line is provided on the front end surface of the back plate, a transparent cover is fixedly installed at the front end of the back plate, a pointer is fixedly installed above the sliding block, and the upper end of the pointer extends into the interior of the transparent cover.

[0015] Preferably, a switch panel is fixedly installed on the front end surface of the outer body of the device, a feed platform is fixedly installed on the front end of the outer body of the device along the bottom of the feed slot, a second scale line is provided on the upper end surface of the feed platform, a base frame is fixedly installed below the feed platform, and the base frame is fixedly connected to the outer body of the device by screws. Beneficial effects

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The invention provides a first paper pressing mechanism and a second paper pressing mechanism inside the outer body of the device. The two paper pressing mechanisms can press the edge of the paper, which is beneficial for the paper to be kept in a taut state and not bend during the cutting process, thereby improving the accuracy of paper cutting. The conveyor belts inside the two paper pressing mechanisms can drive the paper to move, which facilitates the automatic movement of the paper in the paper cutting device. There are two conveyor belt structures inside each paper pressing mechanism, which can synchronously press and convey the edge of the paper from above and below, which is beneficial for the stable conveying and movement of the paper. Furthermore, during the paper cutting process, by inserting the end of the paper into the paper cutting device, the two paper pressing mechanisms can automatically press and restrict the edge of the paper, and the internal structure of the paper pressing mechanism can drive the paper to move automatically, so that the paper can be automatically input into the paper cutting device and automatically output from the paper cutting device, thereby increasing the practicality of the paper cutting device.

[0018] 2. This invention adopts a fixed first paper pressing mechanism and a movable second paper pressing mechanism, so that when cutting papers of different widths, the distance between the two paper pressing mechanisms can be adjusted by moving the position of the second paper pressing mechanism, which facilitates the paper cutting of papers of different widths. In addition, a first laser displacement sensor is provided on one side of the partition plate to detect the moving distance of the second paper pressing mechanism, which is conducive to accurately adjusting the distance between the two paper pressing mechanisms and increases practicality.

[0019] 3. The invention provides a cutting mechanism in which a transducer, an amplitude variable rod and a cutting knife are provided, so that paper can be cut by ultrasonic technology. The blade vibrating by ultrasonic waves can cut paper quickly and accurately under small resistance. The vibrating cutting knife can reduce the resistance during the cutting process, form a flat cutting surface, and improve the quality of paper cutting.

[0020] 4. The invention can assist in stably inputting paper into the paper cutting device through the provided support plate and adjustment plate, and the adjustment plate can be moved, so that the distance between the support plate and the adjustment plate can be adjusted according to the width of the paper. Therefore, when the paper is input into the paper cutting device, the provided support plate and adjustment plate respectively contact the two sides of the paper, which can guide the paper and prevent the paper input from being skewed, which is beneficial to the accuracy of paper cutting and increases the practicality of the paper cutting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] FIG1 is a schematic diagram of a paper cutting device using ultrasonic technology according to the present invention;

[0022] FIG2 is a cross-sectional view of the outer body of the device of the present invention;

[0023] FIG3 is a front view of the cutting mechanism of the present invention;

[0024] FIG4 is a front view of the first paper pressing mechanism of the present invention;

[0025] FIG5 is a side view of the pulley and conveyor belt of the present invention;

[0026] FIG6 is a top cross-sectional view of the connection portion between the outer body of the device and the adjustment plate of the present invention.

[0027] In the figure: 1. Device body; 101. Feeding slot; 102. Partition; 2. Support frame; 3. Back plate; 4. Transparent cover; 5. Switch panel; 6. Back plate; 7. Adjustment plate; 8. Feeding platform; 9. Base frame; 10. Sliding block; 11. Pointer; 12. Cutting mechanism; 1201. Frame 1; 1202. Horizontal plate; 1203. Transducer; 1204. Amplitude changer; 1205. Cutting knife; 13. First paper pressing mechanism; 1301. Frame 2; 1302. Upper trough; 1303. Lower trough; 14. Support crossbar; 15. Support vertical bar Rod; 16, second paper pressing mechanism; 17, first electric cylinder; 18, first guide rod; 19, stabilizing vertical plate; 20, first laser displacement sensor; 21, second laser displacement sensor; 22, equipment box; 23, ball screw; 24, guide column; 25, fixing plate; 26, second guide rod; 27, second electric cylinder; 28, third electric cylinder; 29, pulley; 30, center shaft; 31, motor box; 32, folding plate; 33, pad; 34, conveyor belt; 35, pressure plate; 36, vertical plate; 37, fourth electric cylinder; 38, third laser displacement sensor. Modes for Carrying Out the Invention

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0029] Please refer to Figures 1-6. An embodiment of the present invention is: a paper cutting device using ultrasonic technology, including an outer body 1 of the device, a feed slot 101 and a discharge slot are symmetrically arranged on the front and rear surfaces of the outer body 1, a partition 102 is fixedly installed inside the outer body 1 of the device, the interior of the outer body 1 is respectively provided with a cutting cavity and an equipment cavity along both sides of the partition 102, the interior of the outer body 1 is respectively provided with a first paper pressing mechanism 13 and a second paper pressing mechanism 16 along both sides of the lower part of the interior of the cutting cavity, and the internal structures of the first paper pressing mechanism 13 and the second paper pressing mechanism 16 are the same, the first paper pressing mechanism 13 includes a frame 2 1301, an upper trough 1302 and a lower trough 1303, the upper trough 1302 and the lower trough 1303 are respectively symmetrically arranged inside the frame 2 1301, and the internal structures of the upper trough 1302 and the lower trough 1303 are Similarly, third electric cylinders 28 are symmetrically fixedly installed above and below the frame 2 1301, and the push rod ends of the two third electric cylinders 28 extend into the interior of the frame 2 1301 and are fixedly connected to the upper trough body 1302 and the lower trough body 1303 respectively. A pulley 29 is provided inside the upper trough body 1302, and a central shaft 30 is fixedly installed inside the pulley 29. The central shaft 30 passes through the pulley 29 and is rotatably connected to the upper trough body 1302. A motor box 31 is fixedly installed on one side of the upper trough body 1302, and a driving motor for the central shaft 30 is provided inside the motor box 31. A conveyor belt 34 is provided on the outside of the pulley 29, and a pressure plate 35 is fixedly installed on the outside of the conveyor belt 34, and there are multiple pressure plates 35. A rubber pad is fixedly installed on the outside of the pressure plate 35 so that the pressure plate 35 will not directly contact the paper, thereby preventing the pressure plate 35 from causing indentations on the paper.

[0030] When in use, the first paper pressing mechanism 13 and the second paper pressing mechanism 16 are set up, and the two paper pressing mechanisms are used to press the edge of the paper, which is beneficial for the paper to be in a taut state and not bend during the cutting process, thereby improving the accuracy of paper cutting. In addition, the conveyor belts inside the two paper pressing mechanisms can drive the paper to move, facilitating the automatic movement of the paper in the paper cutting device, so that the paper can be automatically input and output, and there are two conveyor belt structures inside each paper pressing mechanism, which can synchronously press and convey the edge of the paper from the top and bottom, which is beneficial for the stable conveying and movement of the paper.

[0031] Furthermore, a support cross bar 14 is installed on one side of the first paper pressing mechanism 13, and the support cross bar 14 is fixedly connected to the outer body 1 of the device by screws. A support vertical bar 15 is installed below the first paper pressing mechanism 13, and the support vertical bar 15 is fixedly connected to the outer body 1 of the device by screws. The support cross bar 14 and the support vertical bar 15 are both fixedly connected to the frame 2 1301 of the first paper pressing mechanism 13, thereby increasing the stability of the first paper pressing mechanism 13.

[0032] Furthermore, a first electric cylinder 17 is fixedly installed on one side of the partition 102 along the inside of the equipment cavity. The push rod end of the first electric cylinder 17 passes through the partition 102 and is fixedly connected to the frame 2 of the second paper pressing mechanism 16. A stabilizing vertical plate 19 is fixedly installed on the outside of the first electric cylinder 17, and the stabilizing vertical plate 19 is fixedly connected to the outer body 1 of the device by screws. First guide rods 18 are symmetrically installed above and below one side of the second paper pressing mechanism 16, and the end of the first guide rod 18 away from the second paper pressing mechanism 16 passes through the partition 102 and the stabilizing vertical plate 19 in sequence. The setting of the first guide rod 18 increases the smoothness of the movement of the second paper pressing mechanism 16.

[0033] Furthermore, a folding plate 32 is fixedly installed on one side of the frame 2 1301, and a pad 33 is fixedly installed above the folding plate 32. The two ends of the pad 33 are close to the feed slot 101 and the discharge slot of the outer body 1 of the device, which is convenient for the input and output of paper, and the upper end surface of the pad 33 is in the middle position between the upper slot body 1302 and the lower slot body 1303. The first laser displacement sensor 20 is fixedly installed on the side of the partition 102 facing the second paper pressing mechanism 16. The first laser displacement sensor 20 is a KJT-TLS-30C-E1 laser displacement sensor, which can monitor the moving distance of the second paper pressing mechanism 16, thereby increasing practicality.

[0034] Furthermore, a support plate 6 is provided on one side of the inside of the feed slot 101, and the support plate 6 is fixedly connected to the outer body 1 of the device by screws, and an adjustment plate 7 is provided on the other side of the inside of the feed slot 101. A vertical plate 36 is fixedly installed along one side of the adjustment plate 7 inside the outer body 1 of the device, and a fourth electric cylinder 37 is fixedly installed on one side of the vertical plate 36. The push rod end of the fourth electric cylinder 37 passes through the vertical plate 36 and is fixedly connected to the adjustment plate 7. A third laser displacement sensor 38 is fixedly installed on the side of the vertical plate 36 facing the adjustment plate 7. The third laser displacement sensor 38 is a KJT-TLS-30C-E1 laser displacement sensor, which can monitor the moving distance of the adjustment plate 7. Through the movement and adjustment of the adjustment plate 7, the distance between the support plate 6 and the adjustment plate 7 can be adjusted according to the width of the paper. When the paper is input into the paper cutting device, the support plate 6 and the adjustment plate 7 are respectively in contact with the two sides of the paper, which can guide the paper and prevent the paper input from being skewed, which is beneficial to the accuracy of paper cutting.

[0035] Furthermore, a sliding block 10 is provided inside the outer body 1 of the device along the upper part of the cutting chamber, a fixed plate 25 is fixedly installed on the front end surface of the sliding block 10, and a cutting mechanism 12 is provided below the fixed plate 25. The cutting mechanism 12 includes a frame 1201, a transducer 1203 is provided inside the frame 1201, the transducer 1203 is externally connected to an ultrasonic generator through a circuit, a variable amplitude rod 1204 is fixedly installed below the transducer 1203, and a cutting knife 1205 is fixedly installed below the variable amplitude rod 1204. A horizontal plate 1202 is fixedly installed on the outside of the transducer 1203 and the variable amplitude rod 1204, and the horizontal plate 1202 is fixedly connected to the frame 1201 by screws, so that paper can be cut by ultrasonic technology, and the blade vibrating by ultrasonic waves can cut paper quickly and accurately under small resistance, thereby improving the quality of paper cutting.

[0036] Furthermore, a second laser displacement sensor 21 is fixedly installed on the side of the partition 102 facing the sliding block 10. The second laser displacement sensor 21 is a KJT-TLS-30C-E1 laser displacement sensor, which can monitor the moving distance of the sliding block 10. An equipment box 22 is fixedly installed on one side of the partition 102 along the upper part of the inside of the equipment cavity. A driving motor for a ball screw 23 is provided inside the equipment box 22. A second electric cylinder 27 is fixedly installed in the middle above the fixed plate 25. The push rod end of the second electric cylinder 27 passes through the fixed plate 25 and is fixedly connected to the frame 1201. Second guide rods 26 are symmetrically fixedly installed on both sides above the frame 1201, and the upper end of the second guide rod 26 passes through the fixed plate 25, which increases the stability of the lifting and lowering movement of the frame 1201.

[0037] Furthermore, a ball screw 23 is rotatably installed inside the sliding block 10 through a ball nut. Both ends of the ball screw 23 pass through the sliding block 10 and are fixedly connected to the outer body 1 of the device and the partition 102 respectively. Guide columns 24 are symmetrically arranged above and below the ball screw 23. The guide columns 24 pass through the sliding block 10, and the two ends of the guide columns 24 are fixedly connected to the outer body 1 of the device and the partition 102 respectively. The setting of the guide columns 24 facilitates the stable translation of the sliding block 10 when the ball screw 23 rotates.

[0038] Furthermore, a support frame 2 is fixedly installed below the outer body 1 of the device, a back plate 3 is fixedly installed above the outer body 1 of the device, and a first scale line is provided on the front end surface of the back plate 3, a transparent cover 4 is fixedly installed at the front end of the back plate 3, and a pointer 11 is fixedly installed above the sliding block 10, and the upper end of the pointer 11 extends into the interior of the transparent cover 4, so that the moving position of the sliding block 10 can be viewed from the outside of the device, thereby increasing practicality.

[0039] Furthermore, a switch panel 5 is fixedly installed on the front end surface of the device outer body 1, and a feed platform 8 is fixedly installed on the front end of the device outer body 1 along the bottom of the feed slot 101. The feed platform 8 is flush with the pad 33, which facilitates the horizontal movement of paper. A second scale line is provided on the upper end surface of the feed platform 8, which is convenient for checking the adjusted position of the adjustment plate 7. A base frame 9 is fixedly installed below the feed platform 8, and the base frame 9 is fixedly connected to the device outer body 1 by screws, which increases the stability of the feed platform 8.

[0040] Working principle: When in use, the distance between the support plate 6 and the adjustment plate 7, the first paper pressing mechanism 13 and the second paper pressing mechanism 16 is adjusted according to the width of the paper. By starting the fourth electric cylinder 37, the adjustment plate 7 can be driven to move so that the distance between the support plate 6 and the adjustment plate 7 matches the width of the paper. By starting the first electric cylinder 17, the second paper pressing mechanism 16 can be driven to move so as to adjust the distance between the first paper pressing mechanism 13 and the second paper pressing mechanism 16. Then, the position of the cutting knife 1205 is adjusted according to the cutting position of the paper. By driving the ball screw 23 to rotate, the sliding block 10 is translated to move the cutting knife 1205 to the cutting position. Then, the end of the paper is placed on the feeding platform and pushed into the paper cutting device. Then, the first electric cylinder 37 is started respectively. The two third electric cylinders 28 on the paper pressing mechanism 13 and the second paper pressing mechanism 16 make the upper trough body 1302 and the lower trough body 1303 approach each other, and the edge parts on both sides of the end of the paper are pressed by the pressure plate 35 on the conveyor belt 34 inside the two trough bodies, and then the driving pulley 29 is rotated to make the conveyor belt 34 drive the paper to move, and then the second electric cylinder 27 drives the frame 1201 to move downward, so that the cutting knife 1205 contacts the paper, and at the same time starts the external ultrasonic generator, and then through the action of the transducer 1203 and the amplitude rod 1204, the cutting knife 1205 vibrates to cut the paper, and the cut paper is output from the discharge slot on the rear end surface of the device outer body 1 under the drive of the conveyor belt 34.

[0041] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A paper cutting device using ultrasonic technology, comprising an outer body (1) of the device, characterized in that: A feed slot (101) and a discharge slot are symmetrically arranged on the front and rear surfaces of the outer body (1) of the device, respectively. A partition (102) is fixedly installed inside the outer body (1), and a cutting cavity and an equipment cavity are respectively arranged along both sides of the partition (102) inside the outer body (1). A first paper pressing mechanism (13) and a second paper pressing mechanism (16) are respectively arranged along both sides of the lower part of the cutting cavity inside the outer body (1), and the first paper pressing mechanism (13) and the second paper pressing mechanism (16) have the same internal structure. The first paper pressing mechanism (13) includes a frame 2 (1301), an upper trough (1302) and a lower trough (1303). The upper trough (1302) and the lower trough (1303) are respectively symmetrically arranged inside the frame 2 (1301). The upper trough (1302) and the lower trough (1303) are respectively symmetrically arranged inside the frame 2 (1301). The internal structures are the same. The third electric cylinders (28) are symmetrically fixedly installed above and below the frame 2 (1301). The push rod ends of the two third electric cylinders (28) extend into the interior of the frame 2 (1301) and are fixedly connected to the upper trough body (1302) and the lower trough body (1303) respectively. A pulley (29) is provided inside the upper trough body (1302). A central shaft (30) is fixedly installed inside the pulley (29). The central shaft (30) passes through the pulley (29) and is rotatably connected to the upper trough body (1302). A motor box (31) is fixedly installed on one side of the upper trough body (1302). A conveyor belt (34) is provided on the outside of the pulley (29). A pressure plate (35) is fixedly installed on the outside of the conveyor belt (34). There are multiple pressure plates (35). A rubber pad is fixedly installed on the outside of the pressure plate (35).

2. The paper cutting device using ultrasonic technology according to claim 1, characterized in that: A support cross bar (14) is installed on one side of the first paper pressing mechanism (13), and the support cross bar (14) is fixedly connected to the outer body (1) of the device by screws. A support vertical bar (15) is installed below the first paper pressing mechanism (13), and the support vertical bar (15) is fixedly connected to the outer body (1) of the device by screws.

3. The paper cutting device using ultrasonic technology according to claim 2, characterized in that: A first electric cylinder (17) is fixedly installed on one side of the partition (102) along the interior of the device cavity, a push rod end of the first electric cylinder (17) passes through the partition (102) and is fixedly connected to the second paper pressing mechanism (16), a stabilizing vertical plate (19) is fixedly installed on the outside of the first electric cylinder (17), and the stabilizing vertical plate (19) is fixedly connected to the outer body (1) of the device by screws, and first guide rods (18) are symmetrically installed above and below one side of the second paper pressing mechanism (16), and the end of the first guide rod (18) away from the second paper pressing mechanism (16) passes through the partition (102) and the stabilizing vertical plate (19) in sequence.

4. The paper cutting device using ultrasonic technology according to claim 1, characterized in that: A folding plate (32) is fixedly mounted on one side of the frame 2 (1301), a pad (33) is fixedly mounted above the folding plate (32), and a first laser displacement sensor (20) is fixedly mounted on the side of the partition (102) facing the second paper pressing mechanism (16).

5. The paper cutting device using ultrasonic technology according to claim 1, characterized in that: A support plate (6) is provided on one side of the interior of the feed slot (101), and the support plate (6) is fixedly connected to the outer body (1) of the device by screws. An adjustment plate (7) is provided on the other side of the interior of the feed slot (101). A vertical plate (36) is fixedly installed along one side of the adjustment plate (7) inside the outer body (1) of the device. A fourth electric cylinder (37) is fixedly installed on one side of the vertical plate (36). The push rod end of the fourth electric cylinder (37) passes through the vertical plate (36) and is fixedly connected to the adjustment plate (7). A third laser displacement sensor (38) is fixedly installed on the side of the vertical plate (36) facing the adjustment plate (7).

6. The paper cutting device using ultrasonic technology according to claim 1, characterized in that: A sliding block (10) is provided inside the outer body (1) of the device along the upper part of the inside of the cutting chamber, a fixed plate (25) is fixedly installed on the front end surface of the sliding block (10), a cutting mechanism (12) is provided below the fixed plate (25), and the cutting mechanism (12) includes a frame one (1201), a transducer (1203) is provided inside the frame one (1201), a variable amplitude rod (1204) is fixedly installed below the transducer (1203), a cutting knife (1205) is fixedly installed below the variable amplitude rod (1204), and a horizontal plate (1202) is fixedly installed on the outer sides of the transducer (1203) and the variable amplitude rod (1204), and the horizontal plate (1202) is fixedly connected to the frame one (1201) by screws.

7. The paper cutting device using ultrasonic technology according to claim 6, characterized in that: A second laser displacement sensor (21) is fixedly installed on one side of the partition (102) facing the sliding block (10), and an equipment box (22) is fixedly installed on one side of the partition (102) along the upper part of the inside of the equipment cavity. A second electric cylinder (27) is fixedly installed in the middle above the fixed plate (25), and the push rod end of the second electric cylinder (27) passes through the fixed plate (25) and is fixedly connected to the frame one (1201). Second guide rods (26) are symmetrically fixedly installed on both sides above the frame one (1201), and the upper end of the second guide rod (26) passes through the fixed plate (25).

8. The paper cutting device using ultrasonic technology according to claim 7, characterized in that: A ball screw (23) is rotatably mounted inside the sliding block (10) via a ball nut. Both ends of the ball screw (23) pass through the sliding block (10) and are fixedly connected to the outer body (1) and the partition (102) of the device, respectively. Guide pillars (24) are symmetrically arranged above and below the ball screw (23). The guide pillars (24) pass through the sliding block (10), and both ends of the guide pillars (24) are fixedly connected to the outer body (1) and the partition (102) of the device, respectively.

9. The paper cutting device using ultrasonic technology according to claim 8, characterized in that: A support frame (2) is fixedly mounted below the outer body (1) of the device, a back plate (3) is fixedly mounted above the outer body (1), and a first scale line is provided on the front end surface of the back plate (3), a transparent cover (4) is fixedly mounted on the front end of the back plate (3), and a pointer (11) is fixedly mounted above the sliding block (10), and the upper end of the pointer (11) extends into the interior of the transparent cover (4).

10. The paper cutting device using ultrasonic technology according to claim 1, characterized in that: A switch panel (5) is fixedly mounted on the front end surface of the device outer body (1), a feed platform (8) is fixedly mounted on the front end of the device outer body (1) below the feed slot (101), a second scale line is provided on the upper end surface of the feed platform (8), a base frame (9) is fixedly mounted below the feed platform (8), and the base frame (9) is fixedly connected to the device outer body (1) by screws.

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