Multiple fixed-length cutting device for packaging paper

Abstract

The utility model relates to the technical field of packaging paper production, in particular to a multiple fixed-length cutting device for packaging paper. Comprising a rack; the first unwinding drum is rotatably connected to the rack, and the axial direction of the first unwinding drum is the Y direction; the first pinch roll set is connected to the rack, and the first pinch roll set is located in the X direction and the Z direction of the first unwinding drum; two packaging paper unwinding and guiding roller sets are ingeniously arranged on one assembly line, occupation of the workshop space is reduced through ingenious roller set space layout, and through position adjustment of a first positioning platform, a second positioning platform, a first visual sensor and a second visual sensor, the packaging paper unwinding and guiding efficiency is improved. When two rolls of independent packaging paper are guided to the paper positioning compression roller assembly, accurate overlapping of cutting points is guaranteed, the cutting points of the two rolls of independent packaging paper can be cut at the same time through one-time action of the cutter mechanism, and the production efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging paper production, in particular to a packaging paper multiple fixed-length cutting device. Background Art

[0002] After the roll of wrapping paper is printed, dried and wound, it needs to be led out from the winding drum and cut into fixed lengths to form papers of equal width. The existing wrapping paper fixed-length cutting device can only cut a single roll of wrapping paper to a fixed length at one time, and the cutting efficiency is low. Therefore, how to improve the fixed-length cutting efficiency of wrapping paper has become a technical problem that needs to be solved. Utility Model Content

[0003] The technical problem to be solved by the utility model is: how to improve the efficiency of fixed-length cutting of packaging paper.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] Multiple fixed-length cutting device for packaging paper, including:

[0006] frame;

[0007] A first unwinding drum, the first unwinding drum is rotatably connected to the frame, and the axial direction of the first unwinding drum is the Y direction;

[0008] A first pinch roller group, the first pinch roller group is connected to the frame, and the first pinch roller group is located in the X direction and the Z direction of the first unwinding drum;

[0009] A first traction roller, the first traction roller is connected to the frame, and the first traction roller is located below the first pinch roller group;

[0010] A first guide roller group, the first guide roller group is connected to the frame, the first guide roller group is located in the X direction of the first pinch roller group, and the first guide roller group includes a plurality of first guide roller monomers arranged in a line along the X direction;

[0011] A first swing frame, the first swing frame is located below the first guide roller group, the X-direction reverse end of the first swing frame is pivotally connected to the frame through a first pivot axis, the axial direction of the first pivot axis is the Y direction; the first swing frame is connected to a second guide roller group in a line along the X direction, the second guide roller group includes a plurality of second guide roller monomers arranged in a line along the X direction;

[0012] A first driving cylinder, one end of which is pivotally connected to the frame, and the other end of which is pivotally connected to the first swing frame, and the first driving cylinder is used to drive the first swing frame to swing around a first pivot axis;

[0013] A third guide roller group, the third guide roller group is connected to the frame, the third guide roller group is located in the X direction of the first guide roller group, and the third guide roller group includes a plurality of third guide roller monomers arranged in a line along the X direction;

[0014] A first positioning platform, the first positioning platform is connected to the frame, and the first positioning platform is located at the X direction of the third guide roller group;

[0015] A first limiting roller, the first limiting roller is rotatably connected to the frame, and the first limiting roller is located above the starting end of the first positioning platform;

[0016] A second limiting roller, the second limiting roller is rotatably connected to the frame, and the second limiting roller is located above the end of the second positioning platform;

[0017] A first visual sensor, wherein the first visual sensor is movably connected to the upper part of the first positioning platform along the X direction;

[0018] A second pinch roller group, the second pinch roller group is located in the opposite direction of the X direction and the Z direction of the first positioning platform;

[0019] A second unwinding drum, the second unwinding drum is rotatably connected to the frame, the axial direction of the second unwinding drum is the Y direction, and the second unwinding drum is located below the first unwinding drum;

[0020] A second traction roller, the second traction roller is connected to the frame, and the second traction roller is located in the X direction of the second unwinding drum;

[0021] A fourth guide roller group, the fourth guide roller group is connected to the frame, the fourth guide roller group is located in the X direction of the second traction roller, and the fourth guide roller group includes a plurality of fourth guide roller monomers arranged in a line along the X direction;

[0022] a third pinch roller group, the third pinch roller group being connected to the frame, the third pinch roller group being located below the beginning of the third guide roller group, and the third pinch roller group being located above the end of the fourth guide roller group;

[0023] A fifth guide roller group, the fifth guide roller group is connected to the frame, the fifth guide roller group is located in the X direction of the third pinch roller group, the fifth guide roller group is located below the third guide roller group, and the fifth guide roller group includes a plurality of fifth guide roller monomers arranged in a line along the X direction;

[0024] A second swing frame, the second swing frame is located below the fifth guide roller group, the X-direction reverse end of the second swing frame is pivotally connected to the frame through a second pivot shaft, the axial direction of the second pivot shaft is the Y direction; the second swing frame is connected to a sixth guide roller group in a line along the X direction, the sixth guide roller group includes a plurality of sixth guide roller monomers arranged in a line along the X direction;

[0025] A second driving cylinder, one end of which is pivotally connected to the frame, and the other end of which is pivotally connected to the second swing frame, and the second driving cylinder is used to drive the second swing frame to swing around the second pivot axis;

[0026] a second positioning platform, the second positioning platform being connected to the frame, the second positioning platform being located at the X direction of the fifth guide roller group, and the second positioning platform being located below the first positioning platform;

[0027] a third limiting roller, the third limiting roller being rotatably connected to the frame and being located above the starting end of the second positioning platform;

[0028] A fourth limiting roller, the fourth limiting roller is rotatably connected to the frame, and the fourth limiting roller is located above the end of the second positioning platform;

[0029] A second visual sensor, wherein the second visual sensor is movably connected to the upper side of the second positioning platform along the X direction;

[0030] A fourth pinch roller group, the fourth pinch roller group is connected to the frame, and the fourth pinch roller group is located in the X direction of the second positioning platform;

[0031] A positioning pressure roller assembly, wherein the positioning pressure roller assembly is located in the X direction between the fourth pinch roller group and the second pinch roller group;

[0032] The cutter mechanism is located in the X direction of the positioning pressure roller assembly.

[0033] Furthermore, the above-mentioned packaging paper multiple fixed-length cutting device structure also includes:

[0034] A conveyor belt, wherein the conveyor belt is located in the X direction of the cutting mechanism, and the conveying direction of the conveyor belt is the X direction; the controller is electrically connected to the conveyor belt;

[0035] The cutting method further comprises: controlling the conveyor belt to rotate intermittently.

[0036] Furthermore, the above-mentioned packaging paper multiple fixed-length cutting device structure also includes:

[0037] A pressure feeding assembly, the pressure feeding assembly comprising a pressure feeding roller and a third driving cylinder, the pressure feeding roller being movably arranged above the conveyor belt along the Z direction, the third driving cylinder being connected between the frame and the pressure feeding roller and being used for driving the pressure feeding roller to move;

[0038] A material blocking assembly, the material blocking assembly is located in the X direction of the pressure-feeding assembly, the material blocking assembly includes a material blocking plate and a fourth driving cylinder, the material blocking plate is movably arranged above the conveyor belt along the Z direction, and the fourth driving cylinder is connected between the frame and the material blocking plate and is used to drive the material blocking plate to move;

[0039] The third driving cylinder and the fourth driving cylinder are electrically connected to the controller respectively.

[0040] Furthermore, in the above-mentioned packaging paper multiple fixed-length cutting device structure, the cutter mechanism includes a cutter body, a cutter seat and a fifth driving cylinder, the cutter body is located above the X-direction of the positioning pressure roller assembly, the cutter body is movably connected to the frame along the Z-direction through the fifth driving cylinder, the cutter seat is fixedly connected to the frame, the cutter seat is located in the X-direction of the positioning pressure roller assembly, the cutter seat is located below the cutter body, and the cutter seat is provided with a cutter groove matching the blade of the cutter body.

[0041] Furthermore, in the above-mentioned packaging paper multiple fixed-length cutting device structure, the first driving cylinder is a pneumatic cylinder, a hydraulic cylinder or an electric cylinder, and the second driving cylinder is a pneumatic cylinder, a hydraulic cylinder or an electric cylinder.

[0042] Furthermore, in the above-mentioned packaging paper multiple fixed-length cutting device structure, the third driving cylinder is a pneumatic cylinder, a hydraulic cylinder or an electric cylinder, and the fourth driving cylinder is a pneumatic cylinder, a hydraulic cylinder or an electric cylinder.

[0043] Furthermore, in the above-mentioned packaging paper multiple fixed-length cutting device structure, the fifth driving cylinder is a pneumatic cylinder, a hydraulic cylinder or an electric cylinder.

[0044] The beneficial effect of the utility model is that the packaging paper wound by the first unwinding drum passes through the first traction roller and the first pinch roller group in sequence, then alternately winds between the first guide roller group and the second guide roller group, passes through the third guide roller group, and then is pressed against the first positioning platform by the first limiting roller and the second limiting roller. The first visual sensor senses the cutting position on the packaging paper on the first positioning platform as a signal to trigger the first pinch roller group and the second pinch roller group to stop rotating and a signal to control the first drive cylinder and the second drive cylinder to stop moving, and as a signal to control the cutting mechanism to move downward to cut the packaging paper. The packaging paper continues to be pinched and delivered to the positioning pressure roller assembly via the second pinch roller group. and under the cutting mechanism; the wrapping paper wound by the second unwinding drum passes through the second traction roller, the fourth guide roller group and the third pinch roller group in sequence, then alternately detours between the fifth guide roller group and the sixth guide roller group, and then presses against the second positioning platform through the third limit roller and the fourth limit roller, and the second visual sensor senses the cutting position on the wrapping paper on the second positioning platform as a signal to trigger the third pinch roller group and the fourth pinch roller group to stop and control the first drive cylinder and the second drive cylinder to stop moving, and as a signal to control the cutting mechanism to move downward to cut the wrapping paper, and the wrapping paper continues to be pinched and sent to the positioning roller assembly and under the cutting mechanism through the fourth pinch roller group. By cleverly setting two groups of wrapping paper unwinding and guide roller groups on a production line, and by cleverly arranging the roller group space, the occupation of the factory space is reduced, and by adjusting the positions of the first positioning platform and the second positioning platform and the first visual sensor and the second visual sensor, when the two independent rolls of wrapping paper guide the paper positioning roller assembly, the precise overlap of the cutting points is ensured, so that the cutting mechanism can simultaneously cut the cutting positions of the two independent rolls of wrapping paper in one action, effectively improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 It is a structural schematic diagram of a packaging paper multiple fixed-length cutting device according to a specific embodiment of the utility model;

[0046] Figure 2 for Figure 1 A magnified view of part A;

[0047] Figure 3 for Figure 1 A magnified view of part B;

[0048] Figure 4 for Figure 3 Enlarged view of part C;

[0049] Figure 5 It is a top view of the packaging paper multiple fixed-length cutting device according to a specific embodiment of the utility model;

[0050] Figure 6 for Figure 5 DD-direction cross-section diagram;

[0051] Figure 7 for Figure 6 A magnified view of part E;

[0052] Description of labels:

[0053] 1. Frame;

[0054] 2. First unwinding reel;

[0055] 3. The first pinch roller group;

[0056] 4. The first traction roller;

[0057] 5. The first guide roller group;

[0058] 6. First swing frame; 61. Second guide roller group;

[0059] 7. First drive cylinder;

[0060] 8. The third guide roller group;

[0061] 9. The first positioning platform;

[0062] 10. The first limiting roller;

[0063] 11. Second limiting roller;

[0064] 12. First visual sensor;

[0065] 13. Second pinch roller group;

[0066] 14. Second unwinding drum;

[0067] 15. Second traction roller;

[0068] 16. Fourth guide roller set;

[0069] 17. The third pinch roller group;

[0070] 18. Fifth guide roller set;

[0071] 19. Second swing frame; 191. Sixth guide roller group;

[0072] 20. Second drive cylinder;

[0073] 21. The second positioning platform;

[0074] 22. The third limiting roller;

[0075] 23. Fourth limiting roller;

[0076] 24. Second visual sensor;

[0077] 25. Fourth pinch roller group;

[0078] 26. Positioning roller assembly; 261. First roller; 262. Second roller; 263. Transmission belt;

[0079] 27. Cutter mechanism; 271. Cutter body; 272. Cutter seat; 2721. Cutter groove; 273. Fifth drive cylinder;

[0080] 28. Conveyor belt;

[0081] 29. Pressing and feeding assembly; 291. Pressing and feeding roller; 292. Third driving cylinder;

[0082] 30. Material blocking assembly; 301. Material blocking plate; 302. Fourth driving cylinder. DETAILED DESCRIPTION

[0083] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0084] Please refer to Figures 1 to 7 The specific implementation of the utility model relates to a packaging paper multiple fixed-length cutting device, comprising:

[0085] Rack 1;

[0086] A first unwinding drum 2, wherein the first unwinding drum 2 is rotatably connected to the frame 1, and the axial direction of the first unwinding drum 2 is the Y direction;

[0087] A first pinch roller group 3, wherein the first pinch roller group 3 is connected to the frame 1, and the first pinch roller group 3 is located in the X direction and the Z direction of the first unwinding drum 2;

[0088] A first traction roller 4, wherein the first traction roller 4 is connected to the frame 1 and is located below the first pinch roller group 3;

[0089] A first guide roller group 5, the first guide roller group 5 is connected to the frame 1, the first guide roller group 5 is located in the X direction of the first pinch roller group 3, and the first guide roller group 5 includes a plurality of first guide roller monomers arranged in a line along the X direction;

[0090] A first swing frame 6, the first swing frame 6 is located below the first guide roller group 5, the X-direction reverse end of the first swing frame 6 is pivoted to the frame 1 through a first pivot axis, the axial direction of the first pivot axis is the Y direction; the first swing frame 6 is connected to a second guide roller group 61 arranged in a line along the X direction, the second guide roller group 61 includes a plurality of second guide roller monomers arranged in a line along the X direction;

[0091] A first driving cylinder 7, one end of which is pivotally connected to the frame 1, and the other end of which is pivotally connected to the first swing frame 6, and the first driving cylinder 7 is used to drive the first swing frame 6 to swing around the first pivot axis;

[0092] A third guide roller group 8, the third guide roller group 8 is connected to the frame 1, the third guide roller group 8 is located in the X direction of the first guide roller group 5, and the third guide roller group 8 includes a plurality of third guide roller monomers arranged in a line along the X direction;

[0093] A first positioning platform 9, wherein the first positioning platform 9 is connected to the frame 1, and the first positioning platform 9 is located in the X direction of the third guide roller group 8;

[0094] A first limiting roller 10, wherein the first limiting roller 10 is rotatably connected to the frame 1, and the first limiting roller 10 is located above the starting end of the first positioning platform 9;

[0095] A second limiting roller 11, wherein the second limiting roller 11 is rotatably connected to the frame 1, and the second limiting roller 11 is located above the end of the second positioning platform 21;

[0096] A first visual sensor 12, wherein the first visual sensor 12 is movably connected to the top of the first positioning platform 9 along the X direction;

[0097] A second pinch roller set 13, the second pinch roller set 13 is located at the opposite direction of the X direction and the Z direction of the first positioning platform 9;

[0098] A second unwinding drum 14, the second unwinding drum 14 is rotatably connected to the frame 1, the axial direction of the second unwinding drum 14 is the Y direction, and the second unwinding drum 14 is located below the first unwinding drum 2;

[0099] A second traction roller 15, which is connected to the frame 1 and is located in the X direction of the second unwinding drum 14;

[0100] A fourth guide roller set 16, the fourth guide roller set 16 is connected to the frame 1, the fourth guide roller set 16 is located in the X direction of the second traction roller 15, and the fourth guide roller set 16 includes a plurality of fourth guide roller monomers arranged in a line along the X direction;

[0101] A third pinch roller set 17, the third pinch roller set 17 is connected to the frame 1, the third pinch roller set 17 is located below the beginning of the third guide roller set 8, and the third pinch roller set 17 is located above the end of the fourth guide roller set 16;

[0102] A fifth guide roller group 18, the fifth guide roller group 18 is connected to the frame 1, the fifth guide roller group 18 is located in the X direction of the third pinch roller group 17, the fifth guide roller group 18 is located below the third guide roller group 8, and the fifth guide roller group 18 includes a plurality of fifth guide roller monomers arranged in a line along the X direction;

[0103] A second swing frame 19, the second swing frame 19 is located below the fifth guide roller group 18, the X-direction reverse end of the second swing frame 19 is pivotally connected to the frame 1 through a second pivot axis, and the axial direction of the second pivot axis is the Y direction; the second swing frame 19 is connected to a sixth guide roller group 191 in a line along the X direction, and the sixth guide roller group 191 includes a plurality of sixth guide roller monomers arranged in a line along the X direction;

[0104] A second driving cylinder 20, one end of which is pivotally connected to the frame 1, and the other end of which is pivotally connected to the second swing frame 19, and the second driving cylinder 20 is used to drive the second swing frame 19 to swing around the second pivot axis;

[0105] A second positioning platform 21, the second positioning platform 21 is connected to the frame 1, the second positioning platform 21 is located in the X direction of the fifth guide roller group 18, and the second positioning platform 21 is located below the first positioning platform 9;

[0106] A third limiting roller 22, the third limiting roller 22 is rotatably connected to the frame 1, and the third limiting roller 22 is located above the starting end of the second positioning platform 21;

[0107] A fourth limiting roller 23, wherein the fourth limiting roller 23 is rotatably connected to the frame 1, and the fourth limiting roller 23 is located above the end of the second positioning platform 21;

[0108] A second visual sensor 24, wherein the second visual sensor 24 is movably connected to the upper side of the second positioning platform 21 along the X direction;

[0109] A fourth pinch roller set 25, wherein the fourth pinch roller set 25 is connected to the frame 1 and is located in the X direction of the second positioning platform 21;

[0110] A positioning pressure roller assembly 26, wherein the positioning pressure roller assembly 26 is located between the fourth pinch roller group 25 and the second pinch roller group 13 in the X direction;

[0111] A cutter mechanism 27, wherein the cutter mechanism 27 is located in the X direction of the positioning roller assembly 26;

[0112] A controller, wherein the controller is electrically connected to the first pinch roller group, the second pinch roller group 13, the third pinch roller group 17, the fourth pinch roller group 25, the positioning pressure roller assembly 26, the first visual sensor 12, the second visual sensor 24 and the cutter mechanism 27;

[0113] The control method of the above device is:

[0114] Control the first pinch roller group 3, the second pinch roller group 13, the third pinch roller group 17, the fourth pinch roller group 25 and the positioning pressure roller assembly 26 to rotate synchronously and intermittently;

[0115] At the same time, the first driving cylinder 7 and the second driving cylinder 20 are controlled to move back and forth, driving the first swing frame 6 and the second swing frame 19 to swing back and forth respectively;

[0116] At the same time, the cutter mechanism 27 is controlled to reciprocate along the Z direction;

[0117] The packaging paper wound on the first unwinding drum 2 is passed through the first traction roller 4 and the first pinch roller group 3 in sequence, then alternately detoured between the first guide roller group 5 and the second guide roller group 61, then passed through the third guide roller group 8, and then pressed against the first positioning platform 9 through the first limiting roller 10 and the second limiting roller 11. The first visual sensor 12 senses the cutting position on the packaging paper on the first positioning platform 9, which serves as a signal to trigger the first pinch roller group 3 and the second pinch roller group 13 to stop rotating and a signal to control the first drive cylinder 7 and the second drive cylinder 20 to stop moving, and as a signal to control the cutter mechanism 27 to move downward to cut the packaging paper. The packaging paper continues to be pinched and conveyed to the positioning pressure roller assembly 26 and the bottom of the cutter mechanism through the second pinch roller group 13;

[0118] The wrapping paper wound on the second unwinding drum 14 passes through the second traction roller 15, the fourth guide roller group 16 and the third pinching roller group 17 in sequence, and then alternately passes between the fifth guide roller group 18 and the sixth guide roller group 191, and is pressed against the second positioning platform 21 via the third limiting roller 22 and the fourth limiting roller 23. The second visual sensor 24 senses the cutting position on the wrapping paper on the second positioning platform 21, which serves as a signal to trigger the third pinching roller group 17 and the fourth pinching roller group 25 to stop and a signal to control the first drive cylinder 7 and the second drive cylinder 20 to stop moving, and as a signal to control the cutter mechanism 27 to move downward to cut the wrapping paper. The wrapping paper continues to be pinched and conveyed to the positioning pressure roller assembly 26 and the bottom of the cutter mechanism via the fourth pinching roller group 25.

[0119] In the above embodiment, the positioning roller assembly 26 includes two groups of symmetrically arranged roller combinations, each roller combination includes a first roller 261 and a second roller 262, the diameter of the first roller 261 is larger than the diameter of the second roller 262, the second roller 262 is located in the X direction of the first roller 261, and a transmission belt 263 is attached between the first roller 261 and the second roller 262, and a plurality of the transmission belts 263 are distributed in a straight array along the Y direction.

[0120] In the above embodiment, two groups of packaging paper unwinding and guiding roller groups are cleverly arranged on one production line, and the space occupation of the factory building is reduced by cleverly arranging the roller groups in space. By adjusting the positions of the first positioning platform 9 and the second positioning platform 21 as well as the first visual sensor 12 and the second visual sensor 24, the precise overlap of the cutting points is ensured when the two independent rolls of packaging paper guide the paper positioning roller assembly 26, so that the cutting mechanism 27 can cut the cutting points of the two independent rolls of packaging paper at the same time in one action, thereby effectively improving the production efficiency.

[0121] As a preferred implementation, the control method further includes:

[0122] It is determined whether the time interval between the cutting positions sensed by the first visual sensor 12 and the second visual sensor 24 is less than 0.01-0.1 seconds. If so, the cutter mechanism is controlled to move downward to cut the packaging paper; if not, the machine is controlled to stop and an alarm is sounded.

[0123] In the above implementation manner, the identification of the cutting point can be a specific color mark, or an inherent printed middle section on the packaging paper. The corresponding identification program can be set by the host computer. The time interval of the sensing cutting position of the first visual sensor 12 and the second visual sensor 24 is used to determine whether the points where the cutter mechanism 27 cuts the two rolls of packaging paper are aligned. If the time interval is too long, it means that the cutting point is deviated and it is necessary to stop the machine and adjust it in time.

[0124] As a preferred embodiment, it also includes:

[0125] The conveyor belt 28 is located in the X direction of the cutting mechanism, and the conveying direction of the conveyor belt 28 is the X direction; the controller is electrically connected to the conveyor belt 28;

[0126] The control method further includes: controlling the conveyor belt 28 to rotate intermittently.

[0127] As a preferred embodiment, it also includes:

[0128] A pressure-feeding assembly 29, the pressure-feeding assembly 29 comprises a pressure-feeding roller 291 and a third driving cylinder 292, the pressure-feeding roller 291 is movably arranged above the conveyor belt 28 along the Z direction, and the third driving cylinder 292 is connected between the frame 1 and the pressure-feeding roller 291, and is used to drive the pressure-feeding roller 291 to move;

[0129] The material blocking assembly 30 is located in the X direction of the pressure-feeding assembly 29. The material blocking assembly 30 includes a material blocking plate 301 and a fourth driving cylinder 302. The material blocking plate 301 is movably arranged above the conveyor belt 28 along the Z direction. The fourth driving cylinder 302 is connected between the frame 1 and the material blocking plate 301 and is used to drive the material blocking plate 301 to move;

[0130] The third driving cylinder 292 and the fourth driving cylinder 302 are electrically connected to the controller respectively;

[0131] The control method further includes:

[0132] The third driving cylinder 292 is controlled to drive the pressing roller 291 to move upward and separate from the conveyor belt 28, and the fourth driving cylinder 302 is controlled to drive the baffle plate 301 to move downward and press against the surface of the conveyor belt 28, at which time the conveyor belt 28 stops rotating;

[0133] After the cutter mechanism moves back and forth for several times, the fourth drive cylinder 302 is controlled to drive the baffle plate 301 to move upward and away from the conveyor belt 28; the third drive cylinder 292 is controlled to drive the pressing roller 291 to move downward to press the packaging paper against the surface of the conveyor belt 28;

[0134] The conveyor belt 28 is controlled to rotate so that the packaging paper is conveyed to the end for collection.

[0135] As a preferred embodiment, the cutter mechanism includes a cutter body 271, a knife seat 272 and a fifth driving cylinder 273, the cutter body 271 is located above the X-direction of the positioning pressure roller assembly 26, the cutter body 271 is movably connected to the frame 1 along the Z-direction through the fifth driving cylinder 273, the knife seat 272 is fixedly connected to the frame 1, the knife seat 272 is located in the X-direction of the positioning pressure roller assembly 26, the knife seat 272 is located below the cutter body 271, and the knife seat 272 is provided with a knife groove 2721 matching the blade of the cutter body 271.

[0136] As a preferred embodiment, the first driving cylinder 7 is a pneumatic cylinder, a hydraulic cylinder or an electric cylinder, and the second driving cylinder 20 is a pneumatic cylinder, a hydraulic cylinder or an electric cylinder.

[0137] As a preferred embodiment, the third driving cylinder 292 is a pneumatic cylinder, a hydraulic cylinder or an electric cylinder, and the fourth driving cylinder 302 is a pneumatic cylinder, a hydraulic cylinder or an electric cylinder.

[0138] As a preferred embodiment, the fifth driving cylinder 273 is a pneumatic cylinder, a hydraulic cylinder or an electric cylinder.

[0139] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. Multiple fixed-length cutting device for packaging paper, characterized in that: include: frame; A first unwinding drum, the first unwinding drum is rotatably connected to the frame, and the axial direction of the first unwinding drum is the Y direction; A first pinch roller group, the first pinch roller group is connected to the frame, and the first pinch roller group is located in the X direction and the Z direction of the first unwinding drum; A first traction roller, the first traction roller is connected to the frame, and the first traction roller is located below the first pinch roller group; A first guide roller group, the first guide roller group is connected to the frame, the first guide roller group is located in the X direction of the first pinch roller group, and the first guide roller group includes a plurality of first guide roller monomers arranged in a line along the X direction; A first swing frame, the first swing frame is located below the first guide roller group, the X-direction reverse end of the first swing frame is pivotally connected to the frame through a first pivot axis, the axial direction of the first pivot axis is the Y direction; the first swing frame is connected to a second guide roller group in a line along the X direction, the second guide roller group includes a plurality of second guide roller monomers arranged in a line along the X direction; A first driving cylinder, one end of which is pivotally connected to the frame, and the other end of which is pivotally connected to the first swing frame, and the first driving cylinder is used to drive the first swing frame to swing around a first pivot axis; A third guide roller group, the third guide roller group is connected to the frame, the third guide roller group is located in the X direction of the first guide roller group, and the third guide roller group includes a plurality of third guide roller monomers arranged in a line along the X direction; A first positioning platform, the first positioning platform is connected to the frame, and the first positioning platform is located at the X direction of the third guide roller group; A first limiting roller, the first limiting roller is rotatably connected to the frame, and the first limiting roller is located above the starting end of the first positioning platform; A second limiting roller, the second limiting roller is rotatably connected to the frame, and the second limiting roller is located above the end of the second positioning platform; A first visual sensor, wherein the first visual sensor is movably connected to the upper part of the first positioning platform along the X direction; A second pinch roller group, the second pinch roller group is located in the opposite direction of the X direction and the Z direction of the first positioning platform; A second unwinding drum, the second unwinding drum is rotatably connected to the frame, the axial direction of the second unwinding drum is the Y direction, and the second unwinding drum is located below the first unwinding drum; A second traction roller, the second traction roller is connected to the frame, and the second traction roller is located in the X direction of the second unwinding drum; A fourth guide roller group, the fourth guide roller group is connected to the frame, the fourth guide roller group is located in the X direction of the second traction roller, and the fourth guide roller group includes a plurality of fourth guide roller monomers arranged in a line along the X direction; a third pinch roller group, the third pinch roller group being connected to the frame, the third pinch roller group being located below the beginning of the third guide roller group, and the third pinch roller group being located above the end of the fourth guide roller group; A fifth guide roller group, the fifth guide roller group is connected to the frame, the fifth guide roller group is located in the X direction of the third pinch roller group, the fifth guide roller group is located below the third guide roller group, and the fifth guide roller group includes a plurality of fifth guide roller monomers arranged in a line along the X direction; A second swing frame, the second swing frame is located below the fifth guide roller group, the X-direction reverse end of the second swing frame is pivotally connected to the frame through a second pivot shaft, the axial direction of the second pivot shaft is the Y direction; the second swing frame is connected to a sixth guide roller group in a line along the X direction, the sixth guide roller group includes a plurality of sixth guide roller monomers arranged in a line along the X direction; A second driving cylinder, one end of which is pivotally connected to the frame, and the other end of which is pivotally connected to the second swing frame, and the second driving cylinder is used to drive the second swing frame to swing around the second pivot axis; a second positioning platform, the second positioning platform being connected to the frame, the second positioning platform being located at the X direction of the fifth guide roller group, and the second positioning platform being located below the first positioning platform; a third limiting roller, the third limiting roller being rotatably connected to the frame and being located above the starting end of the second positioning platform; A fourth limiting roller, the fourth limiting roller is rotatably connected to the frame, and the fourth limiting roller is located above the end of the second positioning platform; A second visual sensor, wherein the second visual sensor is movably connected to the upper side of the second positioning platform along the X direction; A fourth pinch roller group, the fourth pinch roller group is connected to the frame, and the fourth pinch roller group is located in the X direction of the second positioning platform; A positioning pressure roller assembly, wherein the positioning pressure roller assembly is located in the X direction between the fourth pinch roller group and the second pinch roller group; The cutter mechanism is located in the X direction of the positioning pressure roller assembly.

2. The packaging paper multiple fixed-length cutting device according to claim 1, characterized in that: Also includes: A conveyor belt, wherein the conveyor belt is located in the X direction of the cutting mechanism, and the conveying direction of the conveyor belt is the X direction; A controller, the controller is electrically connected to the conveyor belt; The controller is used to control the intermittent rotation of the conveyor belt.

3. The packaging paper multiple fixed-length cutting device according to claim 2, characterized in that: Also includes: A pressure feeding assembly, the pressure feeding assembly comprising a pressure feeding roller and a third driving cylinder, the pressure feeding roller being movably arranged above the conveyor belt along the Z direction, the third driving cylinder being connected between the frame and the pressure feeding roller and being used for driving the pressure feeding roller to move; A material blocking assembly, the material blocking assembly is located in the X direction of the pressure-feeding assembly, the material blocking assembly includes a material blocking plate and a fourth driving cylinder, the material blocking plate is movably arranged above the conveyor belt along the Z direction, and the fourth driving cylinder is connected between the frame and the material blocking plate and is used to drive the material blocking plate to move; The third driving cylinder and the fourth driving cylinder are electrically connected to the controller respectively.

4. The packaging paper multiple fixed-length cutting device according to claim 1, characterized in that: The cutter mechanism includes a cutter body, a cutter seat and a fifth driving cylinder. The cutter body is located above the X-direction of the positioning pressure roller assembly. The cutter body is movably connected to the frame along the Z-direction through the fifth driving cylinder. The cutter seat is fixedly connected to the frame. The cutter seat is located at the X-direction of the positioning pressure roller assembly. The cutter seat is located below the cutter body. The cutter seat is provided with a cutter groove matching the blade of the cutter body.

5. The packaging paper multiple fixed-length cutting device according to claim 1, characterized in that: The first driving cylinder is a pneumatic cylinder, a hydraulic cylinder or an electric cylinder, and the second driving cylinder is a pneumatic cylinder, a hydraulic cylinder or an electric cylinder.

6. The packaging paper multiple fixed-length cutting device according to claim 3, characterized in that: The third driving cylinder is a pneumatic cylinder, a hydraulic cylinder or an electric cylinder, and the fourth driving cylinder is a pneumatic cylinder, a hydraulic cylinder or an electric cylinder.

7. The packaging paper multiple fixed-length cutting device according to claim 4, characterized in that: The fifth driving cylinder is a pneumatic cylinder, a hydraulic cylinder or an electric cylinder.

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