An automatic paper cutter

Abstract

The application relates to the technical field of paper cutting equipment, in particular to an automatic paper cutting machine which comprises a rack and a cutting device arranged on the rack, a sliding frame is slidably connected to the rack along the height direction of the rack, a material taking plate is slidably connected to the side wall of the sliding frame, a pressing plate is slidably arranged on the sliding frame in the vertical direction, a material pushing plate is slidably connected to the rack and slides in the direction towards the cutting device, a first driving assembly for driving the sliding frame to slide is arranged on the rack, a second driving assembly for driving the material pushing plate to slide is arranged on the rack, a third driving assembly for driving the material taking plate to slide is arranged on the sliding frame, and a fourth driving assembly for driving the pressing plate to slide is arranged on the sliding frame. The application can reduce the possibility of manual paper carrying of workers in the paper cutting process, thereby reducing the effect of consuming a large amount of physical strength of the workers.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of paper cutting equipment, in particular to an automatic paper cutting machine. BACKGROUND

[0002] The edges of the finished paper bundle are usually uneven, and the staff cuts the edges of the paper bundle through a cutting machine to cut the edges of the paper bundle neatly. According to the needs, the paper cutting machine cuts large paper boards into small paper boards, arranges the small paper boards after cutting, and transports them to the packaging position by a transport vehicle.

[0003] The automatic paper cutting machine with publication number CN104493861A includes a cutting platform and a support foot rack, and a cutting knife controlled by a first air cylinder is installed above the cutting platform through a support frame transverse to the cutting platform; a square pressing frame controlled by a second air cylinder is transversely sleeved on the cutting platform, and the first air cylinder and the second air cylinder are connected to the power switch through electromagnetic valves. The staff manually places the paper bundle to be cut on the cutting platform, and after cutting by the cutting knife, the staff removes the cut paper bundle from the cutting platform.

[0004] The above cutting machine needs the staff to place the paper bundle on the cutting platform before cutting, and then push the paper bundle under the cutting knife along the upper surface of the cutting platform, and the first air cylinder drives the cutting knife to move, thereby completing the cutting of the paper bundle. This cutting method needs the staff to move the paper bundle back and forth, which consumes human physical strength, and there is room for improvement. SUMMARY

[0005] In order to avoid manually moving the paper bundle during cutting and reduce the consumption of the staff's physical strength, the present application provides an automatic paper cutting machine.

[0006] The automatic paper cutting machine provided by the present application adopts the following technical scheme:

[0007] An automatic paper cutting machine includes a rack and a cutting device arranged on the rack, a sliding frame is slidably connected to the rack along the height direction of the rack, a material taking plate is slidably connected to the side wall of the sliding frame, a pressing plate is slidably arranged on the sliding frame in the vertical direction, a material pushing plate is slidably connected to the rack, the material pushing plate slides in the direction towards the cutting device, the rack is provided with a first driving assembly for driving the sliding frame to slide, the rack is provided with a second driving assembly for driving the material pushing plate to slide, the sliding frame is provided with a third driving assembly for driving the material taking plate to slide, and the sliding frame is provided with a fourth driving assembly for driving the pressing plate to slide.

[0008] Through the above technical scheme, before cutting the paper, the first driving assembly is started to drive the sliding frame to slide towards the ground, the third driving assembly is started to drive the material taking plate to slide, the material taking plate slides to below the paper stack placed on the ground, then the material taking plate is lifted under the drive of the first driving assembly, the third driving assembly drives the material taking plate to slide to below the pressing plate, at this time, the fourth driving assembly is started to drive the pressing plate to slide towards the upper surface of the material taking plate, the paper stack is clamped between the pressing plate and the material taking plate, the third driving assembly continues to drive the material taking plate to slide along the upper surface of the frame, the paper stack is transported to the position of the pushing plate, the pressing plate is released, the third driving assembly drives the material taking plate to retreat, the paper stack to be cut is left on the upper surface of the frame, the second driving assembly is started to drive the pushing plate to slide, the paper plate is pushed to below the cutting device, and the cutting device cuts the paper stack. In the whole cutting process, the driving force arranged on the frame is used to drive, manual moving of the paper stack is avoided, and thus the consumption of the physical strength of the workers is reduced.

[0009] Optionally, the frame is slidably connected with an arranging plate, the second driving assembly comprises a first gear rotating on the frame, a second gear rotatingly connected on the frame and a first chain wound on the first gear and the second gear, the pushing plate is fixedly connected with the outer wall of the first chain, a driving member for driving the first gear to rotate is arranged on the frame, a worm is rotatingly connected on the frame, a worm wheel is rotatingly connected on the frame, the worm wheel is engaged with the worm, a lead screw is fixed on the side wall of the worm wheel, a threaded sleeve is fixed on the side wall of the arranging plate, and the lead screw is threadedly connected with the threaded sleeve.

[0010] Through the above technical scheme, the driving member is started to drive the first gear to rotate, the first chain rotates under the support of the second gear to drive the pushing plate to move, and the pushing plate moves the paper stack on the upper surface of the frame; the driving member is started to drive the pushing plate to move away from the cutting device, the worm is driven to rotate, the worm is engaged with the worm wheel to drive the worm wheel to rotate, the threaded sleeve moves on the outer wall of the lead screw to the upper surface of the frame to drive the arranging plate to slide downwards, the height of the top of the arranging plate is smaller than the height of the upper surface of the frame, at this time, the paper stack is conveniently transported to the position close to the cutting device, then the driving member drives the pushing plate to move, the worm rotates in the process that the pushing plate moves towards the cutting device, the worm drives the worm wheel to rotate, the worm wheel drives the lead screw to rotate, the threaded sleeve slides on the lead screw, the threaded sleeve drives the arranging plate to lift, and the arranging plate is arranged to guide the paper stack, so that the paper stack pushed to the cutting device is more neat.

[0011] Optionally, a mounting rack is arranged on the side wall of the rack, a support frame is slidably connected to the side wall of the mounting rack, a paper placing plate is arranged on the side wall of the support frame, a traction chain is arranged on the side wall of the mounting rack, one end of the traction chain is fixedly connected to the side wall of the mounting rack, the other end of the traction chain is fixedly connected to the side wall of the support frame, and a driving member for driving the paper placing plate to slide is arranged on the side wall of the mounting rack.

[0012] By adopting the above technical scheme, the cut paper bundle is transported to the paper placing plate, the driving member is started, the driving member drives the support frame to slide, the support frame drives the paper placing plate to slide, so that the paper bundle on the paper placing plate is placed at a specified position.

[0013] Optionally, the paper placing plate slides on the side wall of the support frame, a tank chain is arranged on the side wall of the support frame, one end of the tank chain is fixedly connected to the side wall of the support frame, the other end is fixedly connected to the side wall of the paper placing plate, and a first driving member for driving the end of the tank chain connected to the paper placing plate to move is arranged on the side wall of the support frame.

[0014] By adopting the above technical scheme, the first driving member is started, the first driving member drives the end of the tank chain to move, and drives the paper placing plate to move in the horizontal direction, so as to place the paper bundle at different positions.

[0015] Optionally, two sliding blocks are slidably connected to the support frame, the sliding blocks slide in the horizontal direction, clamping plates are slidably connected to the side walls of the sliding blocks, a second driving member for driving the sliding blocks to slide towards each other is arranged on the support frame, and a third driving member for driving the corresponding clamping plate to slide vertically is arranged on the sliding block.

[0016] By adopting the above technical scheme, after the cut paper bundle is transported to the paper placing plate, the paper placing plate moves towards the direction of the clamping plates, at this time the third driving member is started, the third driving member drives the clamping plates to slide in the vertical direction, reducing the possibility of interference of the clamping plates to the paper bundle, after the paper bundle moves to the position between the two clamping plates, the third driving assembly drives the clamping plates to slide, so that the paper bundle is located between the two clamping plates, the second driving assembly is started, the second driving assembly drives the two clamping plates to move towards each other, the clamping plates clamp the paper bundle, at this time the paper placing plate retreats, so that the paper placing plate is separated from the paper bundle, the two clamping plates clamp the paper bundle, and the paper bundle is stacked at a suitable position.

[0017] Optionally, the upper surface of the rack is fixed with a support, the cutting device is arranged on the support, a bearing rod is slidably connected to the side wall of the support, a sliding rod is slidably connected to the side wall of the bearing rod, a regularizing plate is arranged on the side wall of the sliding rod, the side wall of the regularizing plate is vertically arranged, and a linkage assembly for driving the sliding rod to slide along the upper surface of the rack and driving the regularizing plate to rotate is arranged on the side wall of the bearing rod.

[0018] By adopting the above technical scheme, before cutting the paper bundle, the linkage assembly is started, the linkage assembly drives the sliding rod to slide along the length direction of the bearing rod, the regularizing plate arranges the paper bundle on the upper surface of the rack, and the paper bundle is pushed to the lower part of the cutting device for cutting; after the cutting of the paper bundle is completed, the linkage assembly drives the regularizing plate to rotate, so that the regularizing plate is clamped with the length direction of the support, and at this time, the bearing rod slides.

[0019] Optionally, the bearing rod is hollowly arranged, the linkage assembly comprises a driving rod slidably connected to the inner wall of the bearing rod, a driven wheel rotatably arranged on the outer wall of the sliding rod, and a rack slidably arranged in the inner cavity of the bearing rod, a driving rod is coaxially fixed on the side wall of the driven wheel, the driving rod is rotatably connected with the sliding rod, the driving rod is fixedly connected with the regularizing plate, and a fourth power element for driving the driving rod and the rack to slide is arranged on the inner wall of the bearing rod.

[0020] By adopting the above technical scheme, the fourth driving assembly is started, the fourth driving assembly drives the driving rod to slide, and the sliding rod slides along the length direction of the bearing rod; the fourth driving assembly is started, the fourth driving assembly drives the rack to slide, the rack is engaged with the driven wheel, the driven wheel drives the driving rod to rotate, the driving rod drives the regularizing plate to rotate, and the paper bundle on the upper surface of the rack is conveniently moved towards different directions.

[0021] Optionally, the fourth power element is a double-acting cylinder, one piston rod of the fourth power element is fixedly connected with the inner wall of the bearing rod through the driving rod, the other piston rod of the fourth power element is fixedly connected with the rack, and the sliding rod is fixedly connected with the cylinder body of the fourth power element.

[0022] By adopting the above technical scheme, the fourth driving assembly is arranged as a double-acting cylinder, so as to conveniently apply force from two directions, the piston rod of the fourth driving assembly away from the support slides to drive the rack to move, the rack is engaged with the driven wheel, the driven wheel rotates to drive the driving rod to rotate, thereby driving the regularizing plate to rotate; the other piston rod of the fourth driving assembly slides to drive the cylinder body to slide in the inner cavity of the bearing rod, thereby driving the sliding rod to slide.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. When the paper cutter cuts the paper stack placed on the ground, the first driving assembly is started to drive the sliding frame to slide towards the ground. When the height of the material taking plate is less than the height of the bottom wall of the paper stack, the third driving assembly is started to drive the material taking plate to slide and insert the material taking plate under the paper stack. The fourth driving assembly is started to drive the pressing plate to slide towards the upper surface of the material taking plate to clamp the paper stack. Then the first driving assembly drives the sliding frame to slide to lift the material taking plate to the position where the material taking plate is flat with the upper surface of the rack. The material taking plate slides to the position close to the cutting device under the driving of the third driving assembly. The material taking plate retreats to leave the paper stack on the upper surface of the rack. Finally, the pushing plate slides under the action of the second driving assembly to transport the paper stack to the cutting device for cutting. The cutting of the paper stack can be completed without lifting the paper stack by the staff, thereby reducing the consumption of physical strength.

[0025] 2. The paper stack after cutting slides along the upper surface of the rack to the discharging plate. The first power piece is started to drive the tank chain to move, and the tank chain drives the discharging plate to move. When the discharging plate slides between the two clamping plates, the two clamping plates clamp the paper stack. At this time, the discharging plate retreats and is separated from the paper stack. The paper stack is placed on the specified platform, reducing manual transportation and saving physical strength for the staff. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the overall structure schematic diagram of the paper cutter in the embodiment of the application.

[0027] Figure 2 It is the sectional view of the paper cutter in the embodiment of the application, which is used to show the structure of the arrangement plate on the rack.

[0028] Figure 3 It is the structure schematic diagram of the support part in the embodiment of the application.

[0029] Figure 4 It is Figure 3 It is the enlarged view of A in FIG. 6, which is used to show the structure in the inner cavity of the bearing rod.

[0030] Mark No.: 1, rack; 2, cutting device; 3, sliding frame; 4, taking plate; 5, pressing plate; 6, pushing plate; 7, first driving assembly; 8, second driving assembly; 9, third driving assembly; 10, fourth driving assembly; 92, driving chain; 12, arranging plate; 13, first gear; 14, second gear; 15, first chain; 16, driving piece; 17, worm; 18, worm wheel; 19, lead screw; 20, mounting frame; 21, support frame; 22, feeding plate; 23, traction chain; 24, driving piece; 25, tank chain; 26, first power piece; 27, sliding block; 28, clamping plate; 29, second power piece; 30, third power piece; 31, support; 32, support; 33, cross beam; 34, rotating rod; 35, driving sleeve; 36, fifth power piece; 37, bearing rod; 38, sliding rod; 39, straightening plate; 40, linkage assembly; 41, driving rod; 42, driven wheel; 43, rack; 44, driving rod; 45, fourth power piece; 46, fixed rod; 91, electric cylinder. DETAILED DESCRIPTION

[0031] The drawings will be described below in conjunction with the Figures 1-4 The application is further described in detail.

[0032] The application discloses an automatic paper cutting machine.

[0033] Referring to Figure 1 An automatic paper cutting machine comprises a rack 1, a cutting device 2 arranged on the upper surface of the rack 1 and used for cutting paper bundles, a sliding frame 3 slidably connected to the side wall of the rack 1 and sliding along the height direction of the rack 1, and a first driving assembly 7 arranged on the side wall of the rack 1 and used for driving the sliding frame 3 to slide. In the application, the first driving assembly 7 comprises a threaded rod rotating on the rack 1, the sliding frame 3 is threadedly connected to the threaded rod, a driving motor is fixed on the top wall of the rack 1 through bolts, the rotating shaft of the first driving assembly 7 is fixedly connected to the threaded rod through a connecting rod, and the rotating shaft of the first driving assembly 7 is rotated to drive the sliding frame 3 to slide along the height direction of the rack 1 when the first driving assembly 7 is started.

[0034] Referring to Figure 1 A support 32 is slidably connected to the side wall of the sliding frame 3, a taking plate 4 is fixed on the side wall of the support 32 through screws, the taking plate 4 is in a horizontal state, a third driving assembly 9 is arranged on the sliding frame 3 and used for driving the support 32 to slide, the third driving assembly 9 comprises an electric cylinder 91 fixed on the side wall of the sliding frame 3 and a driving chain 92 arranged on the side wall of the sliding frame 3, one end of the driving chain 92 is fixedly connected to the outer wall of the sliding frame 3 through screws, the other end is fixedly connected to the side wall of the support 32 through screws, the piston rod of the electric cylinder 91 slides to drive the support 32 to slide along the length direction of the sliding frame 3 under the guidance of the driving chain 92, and the taking plate 4 slides when the electric cylinder 91 is started.

[0035] With reference to Figure 1 , the side wall of the support 32 is fixed with a cross beam 33 through bolts, the cross beam 33 is perpendicular to the support 32, the side wall of the cross beam 33 is slidably connected with the pressing plate 5, the side wall of the cross beam 33 is provided with a fourth drive assembly 10 for driving the pressing plate 5 to slide, the fourth drive assembly 10 is preferably selected as a driving cylinder in the application, the piston rod of the fourth drive assembly 10 is fixedly connected with the side wall of the pressing plate 5 through a connecting rod, the fourth drive assembly 10 is started, the piston rod of the fourth drive assembly 10 slides, and the pressing plate 5 slides towards the surface of the material taking plate 4, so as to press the paper bundle on the material taking plate 4 to the material taking plate 4.

[0036] With reference to Figure 1 and Figure 2 , the upper surface of the rack 1 is provided with a sliding groove, the rack 1 is slidably connected with a sorting plate 12, the sorting plate 12 is slidably connected with the sliding groove, the upper surface of the rack 1 is slidably connected with a pushing plate 6, the pushing plate 6 slides towards the cutting device 2, the rack 1 is provided with a second drive assembly 8 for driving the pushing plate 6 to slide, after the material taking plate 4 transports the paper bundle to be cut to one side of the cutting device 2, the second drive assembly 8 drives the pushing plate 6 to slide, and the pushing plate 6 pushes the paper bundle to the cutting device 2 for cutting. The sorting plate 12 is arranged to limit and guide the paper bundle, so that the paper bundle before cutting is more neat.

[0037] With reference to Figure 2 , the second drive assembly 8 comprises a first gear 13 rotating on the rack 1, a second gear 14 rotating on the rack 1 and a first chain 15 wound on the first gear 13 and the second gear 14, the pushing plate 6 is fixedly connected with the outer wall of the first chain 15 through a connecting rod, the rack 1 is provided with a driving part 16 for driving the first gear 13 to rotate, the driving part 16 is preferably a driving motor in the application, the rotating shaft of the driving part 16 is coaxially fixed with the first gear 13 through a connecting rod, the driving part 16 is started, the rotating shaft of the driving part 16 rotates, drives the first gear 13 to rotate, and the first chain 15 drives the pushing plate 6 to move under the support of the second gear 14.

[0038] With reference to Figure 2The worm 17 is coaxially fixed on the side wall of the first gear 13 through a rotating shaft and is rotationally connected to the frame 1. The frame 1 is rotationally connected with a worm wheel 18, the worm wheel 18 is engaged with the worm 17, the side wall of the worm wheel 18 is coaxially fixed with a lead screw 19, the lead screw 19 is threadedly connected with the arranging plate 12. The driving member 16 drives the first gear 13 to rotate, so that the pushing plate 6 slides away from the cutting device 2. The worm wheel 18 is engaged with the worm 17, and the arranging plate 12 moves downward, facilitating the sliding of the taking plate 4 on the upper surface of the frame 1. When the driving member 16 drives the pushing plate 6 to move towards the cutting device 2, the arranging plate 12 slides upward, guiding the paper bundle on the upper surface of the frame 1, and reducing the possibility of paper bundle dislocation before cutting.

[0039] With reference to Figure 3 The upper surface of the frame 1 is fixed with a support 31 by bolts, the cutting device 2 is installed on the frame 1, the side wall of the support 31 is slidably connected with a bearing rod 37, the bearing rod 37 slides along the length direction of the support 31, the frame 1 is rotationally connected with a rotating rod 34, the outer wall of the rotating rod 34 is threadedly connected with a driving sleeve 35, the side wall of the support 31 is provided with a fifth power member 36 for driving the rotating rod 34 to rotate, the fifth power member 36 in the application is preferably selected to be a driving motor, the rotating shaft of the fifth power member 36 is coaxially fixed with the rotating rod 34 through a connecting rod, the rotating shaft of the fifth power member 36 is rotated to drive the rotating rod 34 to rotate, the driving sleeve 35 slides on the rotating rod 34 to drive the bearing rod 37 to slide.

[0040] With reference to Figure 3 And Figure 4 The side of the bearing rod 37 facing the upper surface of the frame 1 is hollow, the bearing rod 37 is slidably connected with a sliding rod 38, the sliding rod 38 is hollow, the inner wall of the sliding rod 38 is rotationally connected with a driving rod 44, the lower end of the driving rod 44 is welded with a regular plate 39, the inner wall of the bearing rod 37 is provided with a linkage assembly 40 for sliding of the sliding rod 38 and rotation of the driving rod 44. When it is needed to push the paper bundle towards the cutting device 2, the side wall of the regular plate 39 is parallel to the length direction of the support 31, at this time the linkage assembly 40 drives the sliding rod 38 to slide, the regular plate 39 slides, and the regular plate 39 drives the paper bundle to slide. After the cutting of the paper bundle is completed, it is needed to push the paper bundle to a position away from the cutting device 2, at this time the linkage assembly 40 drives the driving rod 44 to rotate, the driving rod 44 drives the regular plate 39 to rotate, so that the regular plate 39 is perpendicular to the length direction of the support 31, facilitating the discharging of the paper bundle.

[0041] With reference to Figure 3 And Figure 4The linkage assembly 40 comprises a driving rod 41 fixedly connected with the inner wall of the bearing rod 37, a rack 43 slidably connected with the outer wall of the sliding rod 38, and a driven wheel 42 rotatably arranged on the outer wall of the sliding rod 38. The driving rod 41 is coaxially fixed with the driven wheel 42. The inner wall of the bearing rod 37 is provided with a fourth power element 45 for driving the driving rod 41 and the rack 43 to slide. In the present application, the fourth power element 45 is preferably a double-acting cylinder. The sliding rod 38 is fixedly connected with the outer wall of the cylinder body of the fourth power element 45 through a connecting rod. The piston rod at the end of the fourth power element 45 away from the support 31 is fixedly connected with the rack 43 through a connecting rod. When the fourth power element 45 is started, the fourth power element 45 drives the driving rod 41 and the rack 43 to slide intermittently.

[0042] With reference to Figure 1 The side wall of the rack 1 is provided with a mounting frame 20. The side wall of the mounting frame 20 is slidably connected with a support frame 21. The support frame 21 slides along the height direction of the mounting frame 20. The side wall of the support frame 21 is slidably connected with a discharging plate 22. The discharging plate 22 slides along the length direction of the support frame 21. The side wall of the mounting frame 20 is provided with a driving element 24 for driving the support frame 21 to slide. In the present application, the driving element 24 is preferably a driving cylinder. The piston rod of the driving element 24 is fixedly connected with the side wall of the support frame 21 through a connecting rod. When the driving element 24 is started, the piston rod of the driving element 24 slides, thereby driving the support frame 21 to slide along the height direction of the mounting frame 20.

[0043] With reference to Figure 1 The side wall of the support frame 21 is provided with a tank chain 25. One end of the tank chain 25 is fixedly connected with the side wall of the support frame 21 through a connecting rod. The other end of the tank chain 25 is fixedly connected with the side wall of the discharging plate 22 through a connecting rod. The side wall of the support frame 21 is provided with a first power element 26 for driving the discharging plate 22 to slide. In the present application, the first power element 26 is preferably a driving cylinder. The piston rod of the first power element 26 is fixedly connected with the side wall of the discharging plate 22 through a connecting rod. When the first power element 26 is started, the piston rod of the first power element 26 slides, thereby driving the discharging plate 22 to slide under the traction of the tank chain 25.

[0044] With reference to Figure 1The side wall of the support frame 21 is slidably connected with two sliding blocks 27 in opposite directions, the side wall of the sliding block 27 is fixed with a fixed rod 46 through a screw, the side wall of the fixed rod 46 is slidably connected with a clamping plate 28, the side wall of the support frame 21 is provided with a second power element 29 for driving the two sliding blocks 27 to slide in opposite directions, the second power element 29 in the application is preferably a driving air cylinder, the cylinder body of the second power element 29 is fixedly connected with the outer wall of one of the sliding blocks 27 through a connecting rod, and the piston rod of the second power element 29 is fixedly connected with the other sliding block 27 through a connecting rod. Start the second power element 29, and make the two sliding blocks 27 slide under the driving of the second power element 29, so that the clamping plate 28 can clamp the paper stack.

[0045] With reference to Figure 1 The side wall of the fixed rod 46 is provided with a third power element 30 for driving the clamping plate 28 to slide in the height direction, the third power element 30 in the application is preferably a driving air cylinder, and the piston rod of the third power element 30 is fixedly connected with the side wall of the corresponding clamping plate 28 through a connecting rod. Start the third power element 30, and the piston rod of the third power element 30 slides, thereby driving the clamping plate 28 to slide.

[0046] With reference to Figure 3 And Figure 4 After the cutting is completed, the fourth power element 45 is started, the piston rod of the fourth power element 45 slides, driving the rack 43 to slide, the rack 43 is engaged with the driven wheel 42, the driven wheel 42 drives the driving rod 44 to rotate, the driving rod 44 drives the regular plate 39 to rotate, so that the regular plate 39 is vertically arranged with the side wall of the cutting knife of the cutting device 2. At this time, the fifth power element 36 is started, the fifth power element 36 drives the rotating rod 34 to rotate, driving the bearing rod 37 to slide, thereby pushing the paper stack away from the cutting device 2, facilitating discharging.

[0047] The implementation principle of the automatic paper cutting machine is as follows: the worker pushes the paper bundle to be cut to the cutting machine through the cart, starts the first driving assembly 7, the first driving assembly 7 drives the sliding frame 3 to slide, the sliding frame 3 drives the material taking plate 4 to slide, so that the material taking plate 4 slides to a position close to the ground, when the height of the upper surface of the material taking plate 4 is less than the height of the bottom wall of the paper bundle, the third driving assembly 9 is started, the third driving assembly 9 drives the material taking plate 4 to slide, so that the material taking plate 4 slides to the lower side of the paper bundle, the fourth driving assembly 10 is started, the fourth driving assembly 10 drives the pressing plate 5 to move towards the upper surface of the material taking plate 4, the paper bundle is clamped between the pressing plate 5 and the material taking plate 4, the material taking plate 4 is lifted to the position on the upper surface of the rack 1 again, the material taking plate 4 is moved to the position close to the cutting device 2 under the driving of the fourth driving assembly 10, the pressing plate 5 is released, the material taking plate 4 retreats, and the paper bundle is placed on the upper surface of the rack 1, at this time, the second driving assembly 8 is started, the second driving assembly 8 drives the pushing plate 6 to slide towards the cutting device 2, the cutting device 2 cuts the paper bundle, and the worker does not need to lift the paper bundle during the whole cutting process, so that the consumption of the worker's physical strength is reduced.

[0048] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An automatic paper cutting machine comprising a frame (1) and a cutting device (2) arranged on said frame (1), characterized in that: The rack (1) is slidably connected with a sliding frame (3) along the height direction of the rack (1), the side wall of the sliding frame (3) is slidably connected with a material taking plate (4), the sliding frame (3) is slidably provided with a pressing plate (5) in the vertical direction, the rack (1) is slidably connected with a pushing plate (6), the pushing plate (6) slides in the direction towards the cutting device (2), the rack (1) is provided with a first driving assembly (7) for driving the sliding frame (3) to slide, the rack (1) is provided with a second driving assembly (8) for driving the pushing plate (6) to slide, the sliding frame (3) is provided with a third driving assembly (9) for driving the material taking plate (4) to slide, and the sliding frame (3) is provided with a fourth driving assembly (10) for driving the pressing plate (5) to slide; The rack (1) is slidably connected with a arranging plate (12), the second driving assembly (8) comprises a first gear (13) rotating on the rack (1), a second gear (14) rotatingly connected on the rack (1) and a first chain (15) wound on the first gear (13) and the second gear (14), the pushing plate (6) is fixedly connected with the outer wall of the first chain (15), the rack (1) is provided with a driving piece (16) for driving the first gear (13) to rotate, the rack (1) is rotatably connected with a worm (17), the rack (1) is rotatably connected with a worm wheel (18), the worm wheel (18) is engaged with the worm (17), the side wall of the worm wheel (18) is fixedly provided with a lead screw (19), and the lead screw (19) is threadedly connected with the arranging plate (12); The upper surface of the rack (1) is fixedly provided with a support (31), the cutting device (2) is arranged on the support (31), the side wall of the support (31) is slidably connected with a bearing rod (37), the side wall of the bearing rod (37) is slidably connected with a sliding rod (38), the side wall of the sliding rod (38) is provided with a shaping plate (39), the side wall of the shaping plate (39) is vertically arranged, and the side wall of the bearing rod (37) is provided with a linkage assembly (40) for driving the sliding rod (38) to slide along the upper surface of the rack (1) and driving the shaping plate (39) to rotate; The bearing rod (37) is hollow, the linkage assembly (40) comprises a driving rod (41) slidably connected to the inner wall of the bearing rod (37), a driven wheel (42) rotatingly arranged on the outer wall of the sliding rod (38) and a rack (43) slidably arranged in the inner cavity of the bearing rod (37), the side wall of the driven wheel (42) is coaxially fixedly provided with a driving rod (44), the driving rod (44) is rotatably connected with the sliding rod (38), the driving rod (44) is fixedly connected with the shaping plate (39), and the inner wall of the bearing rod (37) is provided with a fourth power piece (45) for driving the driving rod (41) and the rack (43) to slide.

2. An automatic paper cutter according to claim 1, characterized in that: The side wall of the rack (1) is provided with a mounting frame (20), the side wall of the mounting frame (20) is slidably connected with a support frame (21), the side wall of the support frame (21) is provided with a discharging plate (22), the side wall of the mounting frame (20) is provided with a traction chain (23), one end of the traction chain (23) is fixedly connected with the side wall of the mounting frame (20), the other end of the traction chain (23) is fixedly connected with the side wall of the discharging plate (22), the side wall of the mounting frame (20) is provided with a driving part (24) for driving the discharging plate (22) to slide.

3. An automatic paper cutter according to claim 2, characterized in that: The discharging plate (22) slides on the side wall of the support frame (21), the side wall of the support frame (21) is provided with a tank chain (25), one end of the tank chain (25) is fixedly connected with the side wall of the support frame (21), the other end is fixedly connected with the side wall of the discharging plate (22), the side wall of the support frame (21) is provided with a first power part (26) for driving the tank chain (25) to move with one end connected with the discharging plate (22).

4. An automatic paper cutter according to claim 3, characterized in that: The support frame (21) is slidably connected with two sliding blocks (27), the sliding blocks (27) slide in the horizontal direction, the side wall of the sliding blocks (27) is slidably connected with clamping plates (28), the support frame (21) is provided with a second power part (29) for driving the sliding blocks (27) to slide towards each other, the sliding blocks (27) are provided with third power parts (30) for driving the corresponding clamping plates (28) to slide vertically.

5. An automatic paper cutter according to claim 1, characterized in that: The fourth power part (45) is a double-head cylinder, one of the piston rods of the fourth power part (45) is fixedly connected with the inner wall of the bearing rod (37) through the driving rod (41), the other piston rod of the fourth power part (45) is fixedly connected with the rack (43), and the sliding rod (38) is fixedly connected with the cylinder body of the fourth power part (45).

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