CN221677448U - Cardboard cutting device - Google Patents

Abstract

The utility model discloses a thick paper board cutting device, which comprises a bearing conveying assembly, a cutting assembly and a compacting conveying assembly; the bearing and conveying assembly is provided with a abdication cutter groove extending along the conveying path; the cutting assembly comprises a translation driving mechanism, a first lifting driving mechanism, a cutter holder, a first cutting knife and a second cutting knife, wherein a first edge of the first cutting knife faces the advancing direction of the bearing and conveying assembly, a second edge of the second cutting knife faces the retreating direction of the bearing and conveying assembly, and the first cutting knife and the second cutting knife are used for cutting the thick paper board along the conveying path; the pressing and conveying assembly is used for clamping the thick paper board to convey forwards in cooperation with the bearing and conveying assembly. According to the utility model, through cutting is carried out on the thick paper board step by step in a back and forth circulation mode, so that the resistance of the thick paper board to the cutting action in the cutting process can be effectively reduced, the stability of the cutting action can be effectively improved, and the cutting quality can be effectively improved.

Description

Thick cardboard cutting device

Technical Field

The utility model relates to the field of cardboard processing, in particular to a thick cardboard cutting device.

Background Art

Packaging boxes are usually made of cardboard. Packaging boxes play a role of partition in space. Paper boxes have functions such as protection and decoration. They are widely used, mainly for transportation packaging, sales packaging, etc.

The production of packaging boxes mainly includes die cutting, box pasting and forming, among which die cutting mainly involves cutting and slotting cardboard. In related technologies, cardboard cutting is performed by workers using a semi-automatic cutting table. After the cutting table is turned on, the cardboard is manually fed into the cutting table for cutting. Manual operation has obvious safety hazards. When cutting thick cardboard, due to the large resistance of the thick cardboard, these resistances act on the hands through the thick cardboard, which will affect the stability of manual operation and result in low quality of cutting.

Utility Model Content

The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a thick cardboard cutting device, which cuts the thick cardboard in a fully mechanically driven manner, has high processing efficiency, good safety performance and good processing quality.

According to an embodiment of the utility model, a cardboard cutting device comprises a carrying and conveying assembly, a cutting assembly and a pressing and conveying assembly; the carrying and conveying assembly is used to carry and convey the cardboard, a first station, a second station and a third station are sequentially arranged on the conveying path of the carrying and conveying assembly, and a knife groove extending along the conveying path is arranged on the carrying and conveying assembly; the cutting assembly is arranged on the second station, and the cutting assembly comprises a translation drive mechanism, a first lifting drive mechanism, a knife seat, a first cutting knife and a second cutting knife, the first cutting knife and the second cutting knife are both connected to the same plane position of the knife seat, the first cutting knife and the second cutting knife are both matched with the knife groove, and the first cutting edge of the first cutting knife Towards the forward direction of the carrying and conveying component, the second blade of the second cutting knife faces the backward direction of the carrying and conveying component, the first cutting knife and the second cutting knife are used to cut the thick cardboard along the conveying path, the knife holder is connected to the first lifting drive mechanism, the first lifting drive mechanism is used to drive the knife holder to achieve lifting movement, the first lifting drive mechanism is connected to the translation drive mechanism, the translation drive mechanism is used to drive the knife holder connected to the first lifting drive mechanism to achieve translation movement along the direction of the conveying path; at least two groups of clamping and conveying components are provided, and the first station and the third station are both provided with clamping and conveying components, which are used to cooperate with the carrying and conveying components to clamp the thick cardboard and convey it forward.

In this embodiment, the load-bearing conveyor assembly includes a first conveyor belt and a second conveyor belt arranged side by side, and a clearance groove is formed between the first conveyor belt and the second conveyor belt.

In this embodiment, the cutting assembly also includes a follower wheel, which is rotatably connected to the knife seat, the bottom of the follower wheel is located above the bottom of the knife seat, and the bottom of the first cutting knife and the bottom of the second cutting knife are both located below the bottom of the follower wheel.

In this embodiment, the cutting assembly also includes a first support plate, a first spring, a paper stretcher and a paper stretcher wheel. The first support plate is connected to one side of the knife seat, the paper stretcher wheel is rotatably connected to the paper stretcher frame, and the paper stretcher wheel is located on the side of the knife seat close to the third workstation. The two ends of the first spring are respectively connected to the first support plate and the paper stretcher frame, so that the plane where the bottom of the paper stretcher wheel is located is located below the bottom of the first cutting knife.

In this embodiment, the cutting assembly also includes a first guide column and a first limiting plate. The paper stretcher is provided with a first guide hole. The first guide column is passed through the first guide hole. One end of the first guide column is connected to the first support plate. The end of the first guide column away from the first support plate is connected to the first limiting plate. The first limiting plate is located below the first guide hole, and the first spring is sleeved outside the first guide column.

In this embodiment, the compression and transmission assembly includes a second lifting mechanism, a second support plate, a second spring, a paper pressing frame, a paper pressing roller and a paper pressing drive motor. The second support plate is connected to the second lifting mechanism, and the second lifting mechanism is used to drive the second support plate to achieve lifting movement. The two ends of the second spring are respectively connected to the second support plate and the paper pressing frame, the paper pressing roller is rotatably connected to the paper pressing frame, the paper pressing drive motor is connected to the paper pressing roller, and the paper pressing drive motor is used to drive the paper pressing roller to rotate.

In this embodiment, the compression and transmission assembly also includes a second guide post and a second limiting plate. The paper pressing frame is provided with a second guide hole. The second guide post is passed through the second guide hole. One end of the second guide post is connected to the second support plate. The end of the second guide post away from the second support plate is connected to the second limiting plate. The second limiting plate is located below the second guide hole, and the second spring is sleeved outside the second guide post.

In this embodiment, an anti-skid layer is provided on the surface of the paper pressing roller.

The embodiments of the present invention have at least the following beneficial effects:

By setting a first cutting knife and a second cutting knife with blades facing each other, the first lifting mechanism drives the first cutting knife to cut into the surface of the thick cardboard, the translation driving mechanism drives the knife holder to move forward, and the first blade of the first cutting knife moves toward the forward direction of the carrying and conveying component, thereby cutting the surface of the thick cardboard to obtain a pre-cut groove, adjusting the first lifting mechanism to allow the second cutting knife to penetrate the thick cardboard to reach the yielding knife groove, and then driving the thick cardboard forward by pressing the conveying component and the carrying and conveying component, the second cutting knife moves relative to the thick cardboard in the backward direction of the carrying and conveying component, and cuts the thick cardboard along the pre-cut groove to perform a through-cutting. The cardboard is cut through in steps, which can effectively reduce the resistance of the thick cardboard to the cutting action during the cutting process, effectively improve the stability of the cutting action, and effectively reduce the probability of burrs formed on the thick cardboard due to cutting. The edges of the thick cardboard formed by cutting are neat and flat, which can effectively improve the cutting quality. In addition, the entire cutting action transmits the thick cardboard through the carrying and conveying component, which can effectively avoid safety accidents caused by the transmission of the thick cardboard by human hands, and has high safety performance. After the first cutting knife completes the cutting of the pre-cut groove on the thick cardboard, the through-cutting action of the thick cardboard is carried out simultaneously with the feeding action, which can effectively shorten the processing time and has high cutting efficiency.

BRIEF DESCRIPTION OF THE DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

FIG1 is a schematic diagram of the three-dimensional structure of a cardboard cutting device according to an embodiment of the utility model;

FIG2 is a schematic structural diagram of a cutting assembly in a cardboard cutting device according to an embodiment of the present invention;

FIG3 is a schematic structural diagram of a compacting and conveying assembly in a cardboard cutting device according to an embodiment of the present invention;

FIG4 is a schematic diagram of a working state of the cardboard cutting device according to an embodiment of the utility model;

FIG5 is a schematic diagram of another working state of the cardboard cutting device according to an embodiment of the utility model;

FIG6 is a schematic diagram of another working state of the cardboard cutting device according to an embodiment of the utility model;

FIG. 7 is a schematic diagram of another working state of the cardboard cutting device according to an embodiment of the present utility model.

Reference numerals:

The carrier conveyor assembly 100, the yielding knife groove 101, the first conveyor belt 110, and the second conveyor belt 120;

Cutting assembly 200, translation drive mechanism 210, first lifting drive mechanism 220, knife seat 230, first cutting knife 240, second cutting knife 250, follower roller 260, first support plate 270, first spring 271, first guide column 272, first limit plate 273, paper stretching frame 280, first guide hole 281, paper stretching roller 290;

The pressing and conveying assembly 300, the second lifting and lowering driving mechanism 310, the second supporting plate 320, the second spring 330, the paper pressing frame 340, the second guide hole 341, the paper pressing roller 350, the anti-slip layer 351, the paper pressing driving motor 360, the second guide column 370, and the second limiting plate 380;

Thick cardboard material 400.

DETAILED DESCRIPTION

The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, left, right, front, back, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

In the description of the utility model, if there is a description of first and second, it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

In the related art, the cardboard cutting work is performed by workers using a semi-automatic cutting table. After the cutting table is turned on, the cardboard is manually fed into the cutting table for cutting. Manual operation has obvious safety hazards. When cutting thick cardboard, due to the large resistance of the thick cardboard, this resistance acts on the hands through the thick cardboard, which will affect the stability of the manual operation and result in low quality of the cutting process.

The following describes the cardboard cutting device of the embodiment of the utility model with reference to Figures 1 to 7. The cardboard is cut by a fully mechanical drive, and has high processing efficiency, good safety performance and good processing quality.

In order to more clearly show the working principle of the cardboard cutting device of the embodiment of the utility model, FIG. 1 hides the basic bracket, and the structures of the components shown in FIG. 1 are arranged with the basic bracket as the supporting frame.

1 to 7 , a cardboard cutting device according to the present embodiment includes a carrying and conveying assembly 100 , a cutting assembly 200 , and a pressing and conveying assembly 300 ;

The carrying and conveying assembly 100 is used to carry and convey the thick cardboard material 400. The conveying path of the carrying and conveying assembly 100 is provided with a first station, a second station and a third station in sequence. When the thick cardboard material 400 is placed on the conveying surface of the carrying and conveying assembly 100 for conveying, the thick cardboard material 400 arrives at the first station, the second station and the third station in sequence. The carrying and conveying assembly 100 is provided with a yielding knife groove 101 extending along the conveying path;

The cutting assembly 200 is arranged on the second workstation. The cutting assembly 200 includes a translation drive mechanism 210, a first lifting drive mechanism 220, a knife seat 230, a first cutting knife 240 and a second cutting knife 250. The first cutting knife 240 and the second cutting knife 250 are both connected to the same plane position of the knife seat 230. The first cutting knife 240 and the second cutting knife 250 are both matched with the yielding knife groove 101. The first cutting knife 240 and the second cutting knife 250 can both extend into the yielding knife groove 101. The plane where the first cutting knife 240 and the second cutting knife 250 are located is coplanar with the center plane of the yielding knife groove 101. The first cutting edge of the first cutting knife 240 faces the forward direction of the load-carrying and conveying assembly 100, that is, the first cutting edge of the first cutting knife 240 faces the exit of the load-carrying and conveying assembly 100. The second cutting edge of the second cutting knife 250 faces the backward direction of the carrying conveying assembly 100, that is, the second cutting edge of the second cutting knife 250 faces the entrance of the carrying conveying assembly 100, the first cutting edge of the first cutting knife 240 and the second cutting edge of the second cutting knife 250 are arranged opposite to each other, the first cutting knife 240 and the second cutting knife 250 are used to cut the cardboard material 400 from two opposite directions along the conveying path, the knife holder 230 is connected to the first lifting drive mechanism 220, the first lifting drive mechanism 220 is used to drive the knife holder 230 to realize lifting movement, the first lifting drive mechanism 220 is connected to the translation drive mechanism 210, the translation drive mechanism 210 is used to drive the knife holder 230 connected to the first lifting drive mechanism 220 to realize translation movement along the direction of the conveying path;

The compression and conveying assembly 300 is provided with at least two groups. The first station and the third station are both provided with the compression and conveying assembly 300. The compression and conveying assembly 300 is used to cooperate with the load-bearing conveying assembly 100 to clamp the thick cardboard material 400 and convey it forward along the conveying path. That is, when the thick cardboard material 400 is placed on the load-bearing conveying assembly 100, the compression and conveying assembly 300 presses the thick cardboard material 400 on the load-bearing conveying assembly 100 from above, and can position the thick cardboard material 400 between the load-bearing conveying assembly 100 and the compression and conveying assembly 300. The load-bearing conveying assembly 100 and the compression and conveying assembly 300 work synchronously and can clamp the thick cardboard material 400 and convey it forward.

The working process of a cardboard cutting device according to an embodiment of the utility model is as follows: after the cardboard material 400 is conveyed to the entrance of the carrying and conveying assembly 100 by manual or other mechanical mechanisms, the carrying and conveying assembly 100 conveys the cardboard material 400 forward along the conveying path to the first station, the second station and the third station. At this time, the two opposite edges of the cardboard material 400 are respectively located at the first station and the third station, and the central area of the cardboard material 400 is located at the second station; as shown in FIG. 4 , the two groups of pressing and conveying assemblies 300 are synchronously pressed down to clamp the cardboard material 400 on the carrying and conveying assembly 100, and the cardboard material The two opposite edges of the cardboard material 400 are clamped and positioned, the first lifting drive mechanism 220 drives the knife holder 230 to descend, and the first cutting knife 240 and the second cutting knife 250 follow the knife holder 230 to descend and insert into the upper surface of the cardboard material 400; as shown in FIG5 , the translation drive mechanism 210 drives the first lifting drive mechanism 220 and the knife holder 230 to move in the forward direction of the carrying conveying assembly 100, and the first cutting knife 240 and the second cutting knife 250 move toward the exit of the carrying conveying assembly 100, and the first cutting edge of the first cutting knife 240 passes through the surface of the cardboard material 400 and cuts to form a pre-cut groove; as shown in FIG6 , The first lifting drive mechanism 220 drives the knife holder 230 to descend again, and the first cutting knife 240 and the second cutting knife 250 synchronously follow the knife holder 230 to descend and penetrate the thick cardboard material 400 until the first cutting knife 240 and the second cutting knife 250 are inserted into the yielding knife groove 101, and the carrying conveying assembly 100 and the pressing conveying assembly 300 operate synchronously to convey the thick cardboard material 400 forward along the conveying path, and the thick cardboard material 400 moves toward the outlet of the carrying conveying assembly 100 relative to the second cutting knife 250, that is, the second cutting knife 250 moves toward the inlet of the carrying conveying assembly 100 relative to the thick cardboard material 400, and the first lifting drive mechanism 220 drives the knife holder 230 to descend again, and the first cutting knife 240 and the second cutting knife 250 synchronously follow the knife holder 230 to descend and penetrate the thick cardboard material 400, until the first cutting knife 240 and the second cutting knife 250 are inserted into the yielding knife groove 101, and the carrying conveying assembly 100 and the pressing conveying assembly 300 operate synchronously to convey the thick cardboard material 400 forward along the conveying path, and the thick cardboard material 400 moves toward the outlet of the carrying conveying assembly 100 relative to the second cutting knife 250, that is, the second cutting knife 250 moves toward the inlet of the carrying conveying assembly 100 relative to the thick cardboard material 400, and the first lifting drive mechanism 220 drives the knife holder 230 to descend again, and the first cutting knife 240 and the second cutting knife 250 synchronously follow the cutting knife 250 The second blade of the second cutting knife 250 cuts the cardboard material 400 through along the pre-cut groove; as shown in FIG7 , the first lifting drive mechanism 220 drives the knife holder 230 to rise to the highest position so that the first cutting knife 240 and the second cutting knife 250 completely leave the cardboard material 400, and the two sets of pressing and conveying components 300 release the cardboard material 400, and the carrying and conveying component 100 conveys the cut cardboard material 400 to the outlet to the next station outside, and the translation drive mechanism 210 drives the first lifting drive mechanism 220 and the knife holder 230 to reset to the second station above the edge area close to the first station. Through the above-mentioned method, the designated line segment area in the cardboard material 400 is cut through, so that the corresponding through-cutting groove structure is obtained in the cardboard material 400.

A first cutting knife 240 and a second cutting knife 250 are provided with blades facing each other, and the first lifting drive mechanism 220 is adjusted to make the first cutting knife 240 cut into the surface of the thick cardboard material 400, and the knife holder 230 is driven forward by the translation drive mechanism 210, and the first blade of the first cutting knife 240 moves toward the forward direction of the carrying conveying assembly 100, and then the surface of the thick cardboard material 400 is cut to obtain a pre-cut groove, and the first lifting drive mechanism 220 is adjusted to make the second cutting knife 250 penetrate the thick cardboard material 400 to reach the yielding knife groove 101, and then the thick cardboard material 400 is driven forward by the pressing conveying assembly 300 and the carrying conveying assembly 100, and the second cutting knife 250 moves relative to the thick cardboard material 400 in the backward direction of the carrying conveying assembly 100, and the thick cardboard material 400 is cut along the pre-cut groove. The first cutting knife 240 and the second cutting knife 250 perform step-by-step through-cutting of the cardboard material 400 in a back-and-forth circulation manner, which can effectively reduce the resistance of the cardboard material 400 to the cutting action during the cutting process, can effectively improve the stability of the cutting action, can effectively reduce the probability of burrs formed on the cardboard material 400 due to cutting, and the edges of the cardboard material 400 formed by cutting are neat and flat, which can effectively improve the quality of cutting. In addition, the entire cutting action is to transmit the cardboard material 400 through the carrying and conveying component 100, which can effectively avoid safety accidents caused by the transmission of the cardboard material 400 by human hands, and has high safety performance. After the first cutting knife 240 completes the cutting of the pre-cut groove on the cardboard material 400, the through-cutting action of the cardboard material 400 is performed simultaneously with the sending action, which can effectively shorten the processing time and have high efficiency in cutting processing.

Specifically, the translation drive mechanism 210 can be set as a screw drive mechanism, which includes a screw motor, a screw shaft, a screw nut and a screw seat. The screw nut is sleeved and connected to the outside of the screw shaft, and the screw nut is slidably connected to the screw seat. The screw shaft is connected to the screw motor, and the screw motor drives the screw shaft to rotate, thereby driving the screw nut to slide in the screw seat.

It can be understood that the load-bearing conveyor assembly 100 includes a first conveyor belt 110 and a second conveyor belt 120 arranged side by side, the conveying surface of the first conveyor belt 110 and the conveying surface of the second conveyor belt 120 are coplanar, a yielding groove 101 is formed between the first conveyor belt 110 and the second conveyor belt 120, and the first conveyor belt 110 and the second conveyor belt 120 have the same conveying direction, so that the cardboard material 400 placed across their surfaces can be conveyed forward along the conveying path.

Specifically, the carrying conveyor assembly 100 includes a first conveyor belt 110 and a second conveyor belt 120 arranged side by side. The first conveyor belt 110 and the second conveyor belt 120 are wound around synchronous rollers. The synchronous motor drives the first conveyor belt 110 and the second conveyor belt 120 to operate through the synchronous rollers to drive the cardboard material 400 forward.

It can be understood that, referring to FIGS. 1 and 2 , the cutting assembly 200 further includes a follower roller 260, which is rotatably connected to the knife holder 230. The follower roller 260 can rotate on the load-carrying conveying assembly 100. The conveying forward direction of the load-carrying conveying assembly 100 is tangent to the bottom circumferential surface of the follower roller 260. The bottom of the follower roller 260 is located above the bottom of the knife holder 230. The bottom of the first cutting knife 240 and the bottom of the second cutting knife 250 are both located below the bottom of the follower roller 260. When the second cutting knife 250 performs through-cutting on the thick cardboard material 400, for the thick cardboard material 400 with a larger thickness, the follower roller 260 can replace the bottom of the knife holder 230 to contact the thick cardboard material 400, thereby preventing the knife holder 230 from hindering the cutting action.

It can be understood that the cutting assembly 200 also includes a first support plate 270, a first spring 271, a paper stretcher 280 and a paper stretcher roller 290. The first support plate 270 is fixedly connected to one side of the knife seat 230, and the paper stretcher roller 290 is rotatably connected to the paper stretcher rack 280. The conveying forward direction of the carrying conveying assembly 100 is tangent to the bottom circumferential surface of the paper stretcher roller 290. The paper stretcher roller 290 is located on the side of the knife seat 230 close to the third workstation. The upper and lower ends of the first spring 271 are respectively connected to the first support plate 270 and the paper stretcher rack 280, so that the plane where the bottom of the paper stretcher roller 290 is located is below the bottom of the first cutting knife 240.

Before cutting, the central area of the thick cardboard material 400 is located at the second station, and the two opposite edges of the thick cardboard material 400 are respectively located at the first station and the third station, and the two sets of pressing and conveying components 300 are pressed down synchronously to clamp the thick cardboard material 400 on the carrying and conveying component 100, and the two opposite edges of the thick cardboard material 400 are clamped and positioned, and the first lifting drive mechanism 220 drives the knife holder 230 to descend, and the paper stretching roller 290 first contacts the thick cardboard material 400. During the continued descent, the first spring 271 is squeezed, and the paper stretching roller 290 presses and positions the thick cardboard material 400 on the carrying and conveying component 100, and the first cutting knife 240 and the second cutting knife 250 follow the knife holder 230 to descend and are inserted into the upper surface of the thick cardboard material 400.

Because the first cutting knife 240 is located at the edge of the second station close to the first station when the first cutting knife 240 is inserted into the upper surface of the thick cardboard material 400, before the first cutting knife 240 contacts the thick cardboard material 400, the follower roller 260 cooperates with the pressing and conveying assembly 300 at the first station to press and position the thick cardboard material 400 on both sides of the first cutting knife 240, which can effectively improve the stability and accuracy of the action of the first cutting knife 240 when it is inserted into the upper surface of the thick cardboard material 400, and can effectively improve the effect of the cutting process.

It can be understood that, with reference to Figures 1 and 2, the cutting assembly 200 also includes a first guide column 272 and a first limiting plate 273, the paper stretcher 280 is provided with a first guide hole 281, the first guide column 272 is penetrated by the first guide hole 281, the first guide column 272 slides and rises and falls in the first guide hole 281, one end of the first guide column 272 is fixedly connected to the first support plate 270, and the end of the first guide column 272 away from the first support plate 270 is fixedly connected to the first limiting plate 273, the first limiting plate 273 is located below the first guide hole 281, and the first spring 271 is sleeved outside the first guide column 272. By providing the first guide column 272, the first guide hole 281 and the first limiting plate 273, the relative position between the first support plate 270 and the paper stretcher 280 can be effectively limited, and the first spring 271 can be prevented from being over-stretched or telescopically offset to affect normal work, and the stability of the relative movement between the first support plate 270 and the paper stretcher 280 can be effectively improved.

It can be understood that, as shown in Figures 1 and 3, the pressing and conveying assembly 300 includes a second lifting drive mechanism 310, a second support plate 320, a second spring 330, a paper pressing frame 340, a paper pressing roller 350 and a paper pressing drive motor 360. The second support plate 320 is connected to the second lifting drive mechanism 310. The second lifting drive mechanism 310 is used to drive the second support plate 320 to achieve lifting movement. The upper and lower ends of the second spring 330 are respectively connected to the second support plate 320 and the paper pressing frame 340. The paper pressing roller 350 is rotatably connected to the paper pressing frame 340. The driving end of the paper pressing drive motor 360 is connected to the paper pressing roller 350. The conveying forward direction of the load-bearing and conveying assembly 100 is perpendicular to the projection of the rotating axis of the paper pressing roller 350 on the horizontal plane. The paper pressing drive motor 360 is used to drive the paper pressing roller 350 to rotate, so that the paper pressing roller 350 cooperates with the load-bearing and conveying assembly 100 to synchronously drive the thick paperboard material 400 along the conveying path.

During operation, the second lifting drive mechanism 310 drives the second support plate 320 to descend, and the paper pressing roller 350 contacts the upper surface of the thick paperboard material 400. During the descending process, the second spring 330 is continuously compressed, thereby strengthening the squeezing force of the paper pressing roller 350 on the thick paperboard material 400. After the second lifting drive mechanism 310 stops operating, the paper pressing drive motor 360 drives the paper pressing roller 350 to rotate, and the carrying and conveying assembly 100 operates synchronously, and the thick paperboard material 400 is clamped between the paper pressing roller 350 and the conveying surface of the carrying and conveying assembly 100 and moves along the conveying path.

Specifically, the first lifting drive mechanism 220 and the second lifting drive mechanism 310 can be configured as cylinders, wherein the first lifting drive mechanism 220 is a double-stroke cylinder.

It can be understood that, with reference to Figures 1 and 3, the compression and transmission assembly 300 further includes a second guide post 370 and a second limiting plate 380, the paper press 340 is provided with a second guide hole 341, the second guide post 370 is penetrated by the second guide hole 341, the second guide post 370 slides and rises and falls in the second guide hole 341, one end of the second guide post 370 is fixedly connected to the second support plate 320, and the end of the second guide post 370 away from the second support plate 320 is fixedly connected to the second limiting plate 380, the second limiting plate 380 is located below the second guide hole 341, and the second spring 330 is sleeved outside the second guide post 370. By providing the second guide post 370, the second guide hole 341 and the second limiting plate 380, the relative position between the second support plate 320 and the paper press 340 can be effectively limited, the second spring 330 can be prevented from being over-stretched or telescopically offset to affect normal work, and the stability of the relative movement between the second support plate 320 and the paper press 340 can be effectively improved.

It can be understood that, referring to Figures 1 and 3, the surface of the paper pressing roller 350 is provided with an anti-skid layer 351. The provision of the anti-skid layer 351 can effectively improve the reliability of the action of the paper pressing roller 350 on the thick paperboard material 400. Specifically, the anti-skid layer 351 can be set as a rubber layer.

Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims (8)

1. A thick paperboard cutting device, comprising:

The bearing and conveying assembly (100) is used for bearing and conveying the thick paper board material (400), a first station, a second station and a third station are sequentially arranged on a conveying path of the bearing and conveying assembly (100), and a yielding cutter groove (101) extending along the conveying path is formed in the bearing and conveying assembly (100);

The cutting assembly (200) is arranged on the second station, the cutting assembly (200) comprises a translation driving mechanism (210), a first lifting driving mechanism (220), a cutter holder (230), a first cutter (240) and a second cutter (250), the first cutter (240) and the second cutter (250) are connected to the same plane position of the cutter holder (230), the first cutter (240) and the second cutter (250) are matched with the yielding cutter groove (101), the first cutter edge of the first cutter (240) faces the advancing direction of the bearing conveying assembly (100), the second cutter edge of the second cutter (250) faces the retreating direction of the bearing conveying assembly (100), the first cutter (240) and the second cutter (250) are used for cutting the paperboard material (400) along the conveying path, the cutter holder (230) is connected to the first lifting driving mechanism (220), the first cutter holder (240) faces the advancing direction of the bearing conveying assembly (100), the second cutter edge of the second cutter (250) faces the thickness direction of the bearing conveying assembly (100), the first cutter (240) is used for driving the first cutter holder (220) to move in a driving mode, the translation driving mechanism (210) is used for driving the tool apron (230) connected to the first lifting driving mechanism (220) to realize translation motion along the direction of a conveying path;

and the pressing and conveying assembly (300) is provided with at least two groups, the pressing and conveying assembly (300) is arranged on the first station and the third station, and the pressing and conveying assembly (300) is used for clamping the thick paperboard material (400) to be conveyed forwards in a matched mode through the bearing and conveying assembly (100).

2. A cardboard cutting device according to claim 1, characterized in that the carrying conveyor assembly (100) comprises a first conveyor belt (110) and a second conveyor belt (120) arranged side by side, the relief pocket (101) being formed between the first conveyor belt (110) and the second conveyor belt (120).

3. A cardboard cutting device according to claim 1, characterized in that the cutting assembly (200) further comprises a follower roller (260), the follower roller (260) being rotatably connected to the blade holder (230), the bottom of the follower roller (260) being located above the bottom of the blade holder (230), the bottom of the first cutting blade (240) and the bottom of the second cutting blade (250) being located below the bottom of the follower roller (260).

4. The cardboard cutting device according to claim 1, characterized in that the cutting assembly (200) further comprises a first support plate (270), a first spring (271), a tightening frame (280) and a tightening roller (290), the first support plate (270) is connected to one side of the knife holder (230), the tightening roller (290) is rotatably connected to the tightening frame (280), the tightening roller (290) is located on one side of the knife holder (230) close to the third station, and two ends of the first spring (271) are connected to the first support plate (270) and the tightening frame (280), respectively, so that the bottom of the tightening roller (290) is located below the bottom of the first cutting knife (240).

5. The cardboard cutting device according to claim 4, wherein the cutting assembly (200) further comprises a first guide post (272) and a first limiting plate (273), the paper stretching frame (280) is provided with a first guide hole (281), the first guide post (272) is arranged through the first guide hole (281), one end of the first guide post (272) is connected with the first supporting plate (270), one end of the first guide post (272) away from the first supporting plate (270) is connected with the first limiting plate (273), the first limiting plate (273) is located below the first guide hole (281), and the first spring (271) is sleeved outside the first guide post (272).

6. The thick paper board cutting device according to claim 1, wherein the pressing and conveying assembly (300) comprises a second lifting driving mechanism (310), a second supporting board (320), a second spring (330), a paper pressing frame (340), a paper pressing roller (350) and a paper pressing driving motor (360), the second supporting board (320) is connected to the second lifting driving mechanism (310), the second lifting driving mechanism (310) is used for driving the second supporting board (320) to realize lifting movement, two ends of the second spring (330) are respectively connected with the second supporting board (320) and the paper pressing frame (340), the paper pressing roller (350) is rotatably connected to the paper pressing frame (340), the paper pressing driving motor (360) is connected with the paper pressing roller (350), and the paper pressing driving motor (360) is used for driving the paper pressing roller (350) to rotate.

7. The cardboard cutting device according to claim 6, wherein the pressing and conveying assembly (300) further comprises a second guide pillar (370) and a second limiting plate (380), the paper pressing frame (340) is provided with a second guide hole (341), the second guide pillar (370) is arranged through the second guide hole (341), one end of the second guide pillar (370) is connected with the second supporting plate (320), one end of the second guide pillar (370) away from the second supporting plate (320) is connected with the second limiting plate (380), the second limiting plate (380) is located below the second guide hole (341), and the second spring (330) is sleeved outside the second guide pillar (370).

8. A cardboard cutting device according to any of claims 6 or 7, characterized in that the surface of the platen roller (350) is provided with an anti-slip layer (351).