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

Cardboard cutting device

Technical Field

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

Background

The packing box is usually processed by the cardboard and forms, and the packing box plays the effect of separating in the space, and the carton possesses functions such as protection, decoration, and the application is extensive, mainly used transport package, sales package etc..

The preparation of packing carton mainly includes cutting die preparation, paste box shaping etc. wherein the cutting die is moulded and is mainly cut, processing such as fluting to the cardboard, among the related art, the cutting work of cardboard is through the workman uses semi-automatic cutting knife platform to go on, after opening cutting knife platform, send into cutting knife platform through artificial mode with the cardboard and cut, staff operation has obvious potential safety hazard, when cutting processing to the cardboard, because the resistance of cardboard is great, these resistances are through cardboard effect to the staff, can influence the stability of staff operation, lead to cutting processing's quality low.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the thick paper board cutting device which cuts and processes the thick paper board in a full mechanical driving mode, and has the advantages of high processing efficiency, good safety performance and good processing quality.

The thick paper board cutting device comprises a bearing conveying assembly, a cutting assembly and a pressing conveying assembly; the bearing and conveying assembly is used for bearing and conveying the thick paper board, a first station, a second station and a third station are sequentially arranged on a conveying path of the bearing and conveying assembly, and a abdication cutter slot extending along the conveying path is arranged on the bearing and conveying assembly; the cutting assembly is arranged on the second station and comprises a translation driving mechanism, a first lifting driving mechanism, a cutter seat, a first cutting knife and a second cutting knife, wherein the first cutting knife and the second cutting knife are connected to the same plane position of the cutter seat, the first cutting knife and the second cutting knife are matched with the abdicating knife groove, a first knife edge of the first cutting knife faces the advancing direction of the bearing conveying assembly, a second knife edge of the second cutting knife faces the retreating direction of the bearing conveying assembly, the first cutting knife and the second cutting knife are used for cutting thick paper plates along the conveying path, the cutter seat is connected to the first lifting driving mechanism, the first lifting driving mechanism is used for driving the cutter seat to realize lifting movement, the first lifting driving mechanism is connected to the translation driving mechanism, and the translation driving mechanism is used for driving the cutter seat connected to the first lifting driving mechanism to realize translation movement along the direction of the conveying path; the pressing and conveying assembly is provided with at least two groups, the first station and the third station are respectively provided with a pressing and conveying assembly, and the pressing and conveying assembly is used for being matched with the bearing and conveying assembly to clamp the thick paper board to be conveyed forwards.

In this embodiment, the carrying and conveying assembly includes a first conveyor belt and a second conveyor belt disposed side by side, with a relief pocket formed between the first conveyor belt and the second conveyor belt.

In this embodiment, the cutting assembly further includes a follower wheel, the follower wheel is rotatably connected to the tool holder, the bottom of the follower wheel is located above the bottom of the tool holder, and the bottom of the first cutting knife and the bottom of the second cutting knife are located below the bottom of the follower wheel.

In this embodiment, the cutting assembly further includes a first support plate, a first spring, a paper stretching frame and a paper stretching wheel, the first support plate is connected to one side of the cutter holder, the paper stretching wheel is connected to the paper stretching frame, the paper stretching wheel is located at one side of the cutter holder close to the third station, two ends of the first spring are respectively connected to the first support plate and the paper stretching frame, so that a plane where the bottom of the paper stretching wheel is located below the bottom of the first cutting knife.

In this embodiment, the cutting assembly further includes a first guide post and a first limiting plate, the paper stretching frame is provided with a first guide hole, the first guide post is arranged in the first guide hole in a penetrating mode, one end of the first guide post is connected with the first supporting plate, one end, away from the first supporting plate, of the first guide post is connected with 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 post.

In this embodiment, compress tightly the conveying subassembly and include second elevating system, the second backup pad, the second spring, the platen, platen and platen driving motor, the second backup pad is connected in second elevating system, second elevating system is used for driving the second backup pad and realizes elevating movement, second backup pad and platen are connected respectively at the both ends of second spring, platen rotates to be connected in the platen, platen driving motor connects platen, platen driving motor is used for driving platen rotation.

In this embodiment, compress tightly the conveying subassembly and still include second guide pillar and second limiting plate, press the paper frame to erect and have the second guide hole, and the second guide pillar wears to locate the second guide hole, and the second backup pad is connected to the one end of second guide pillar, and the second limiting plate is connected to the one end that the second guide pillar kept away from the second backup pad, and the second limiting plate is located the below of second guide hole, and the second spring housing is located outside the second guide pillar.

In this embodiment, the surface of the platen roller is provided with an anti-slip layer.

The embodiment of the utility model has at least the following beneficial effects:

Through setting up the first cutting knife and the second cutting knife that the edge is opposite each other, first elevating system drives first cutting knife and cuts into the surface of cardboard, translation actuating mechanism drives the blade holder and advances, first edge of first cutting knife moves towards the direction of advance that bears the conveying subassembly, and then cut the surface to the cardboard and obtain the precutting groove, adjust first elevating system and make the second cutting knife run through the cardboard and reach the cutter groove of stepping down, the rethread compresses tightly conveying subassembly and bear conveying subassembly drive cardboard and advance, the second cutting knife cuts through the cardboard to bear conveying subassembly's backward direction motion along precutting groove, cut through the cardboard to cut through the mode that cuts through the cardboard by setting up first cutting knife and second cutting knife and circulation, can effectively reduce the resistance that the cardboard caused to cutting action in the cutting process, can effectively improve the stability of cutting action, can effectively reduce the cardboard because of the probability of cutting and form the burr, the cardboard is neat and smooth because of the edge that cuts that forms, can effectively improve the quality of pressing conveying subassembly and bear conveying subassembly, in addition, cut through cutting through the cutting knife carries out the cardboard to cut through the mode to cut through the cardboard, can cut through the cutting action of the stepwise through the mode to cut through the cardboard, can be finished with high performance of cut through the cutting action, cut through the cardboard, cut through the safety accident is high-and high performance is finished to cut through the cardboard, cut through the cardboard.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic perspective view of a cardboard cutting device according to an embodiment of the utility model;

fig. 2 is a schematic structural view of a cutting assembly in the thick paper board cutting device according to the embodiment of the utility model;

Fig. 3 is a schematic structural view of a pressing and conveying assembly in the thick paper board cutting device according to the embodiment of the utility model;

FIG. 4 is a schematic view illustrating an operation state of the cutting device for cardboard according to the embodiment of the utility model;

FIG. 5 is a schematic view showing another working state of the cutting device for cardboard according to the embodiment of the utility model;

Fig. 6 is a schematic view illustrating still another working state of the thick paper board cutting device according to the embodiment of the utility model;

Fig. 7 is a schematic view illustrating still another working state of the cardboard cutting device according to the embodiment of the utility model.

Reference numerals:

A load carrying conveyor assembly 100, a relief pocket 101, a first conveyor 110, a second conveyor 120;

The cutting assembly 200, the translation driving mechanism 210, the first lifting driving mechanism 220, the tool apron 230, the first cutting blade 240, the second cutting blade 250, the follower roller 260, the first supporting plate 270, the first spring 271, the first guide post 272, the first limiting plate 273, the paper stretching frame 280, the first guide hole 281 and the paper stretching roller 290;

The pressing and conveying assembly 300, the second lifting 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 post 370 and the second limiting plate 380;

Cardboard material 400.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, left, right, front, rear, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

In the related art, the cutting work of cardboard is carried out through the workman and uses semi-automatic cutting knife platform, opens after cutting knife platform, sends the cardboard into cutting knife platform through artificial mode and cuts, and staff operation has obvious potential safety hazard, when cutting processing to the cardboard, because the resistance of cardboard is great, and these resistances are through cardboard effect to the staff, can influence the stability of staff operation, lead to cutting processing's quality low.

The following describes a thick paper board cutting device according to an embodiment of the present utility model with reference to fig. 1 to fig. 7, and the thick paper board is cut and processed in a full mechanical driving manner, so that the processing efficiency is high, the safety performance is good, and the processing quality is good.

In order to clearly show the working principle of the cardboard cutting device according to the embodiment of the present utility model, the foundation bracket is hidden in fig. 1, and the structures of the components shown in fig. 1 are all set by using the foundation bracket as a supporting frame.

Referring to fig. 1 to 7, a thick paper board cutting device of 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 for carrying and conveying the cardboard material 400, a first station, a second station and a third station are sequentially arranged on a conveying path of the carrying and conveying assembly 100, and when the cardboard material 400 is placed on a conveying surface of the carrying and conveying assembly 100 for conveying, the cardboard material 400 sequentially reaches the first station, the second station and the third station, and a yielding cutter groove 101 extending along the conveying path is formed in the carrying and conveying assembly 100;

The cutting assembly 200 is arranged on the second station, the cutting assembly 200 comprises a translational 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 abdicating cutter groove 101, the first cutter 240 and the second cutter 250 can extend into the abdicating cutter groove 101, the plane of the first cutter 240 and the second cutter 250 is coplanar with the center plane of the abdicating cutter groove 101, the first cutter 240 faces the advancing direction of the carrying conveying assembly 100, namely the first cutter 240 faces the outlet of the carrying conveying assembly 100, the second cutter 250 faces the retreating direction of the carrying conveying assembly 100, namely the second cutter 250 faces the inlet of the carrying conveying assembly 100, the first cutter 240 and the second cutter 250 are arranged in a back-to-back manner, the first cutter 240 and the second cutter 250 face the second cutter 240 are respectively connected with the first cutter holder 220 along the lifting driving mechanism 220 along the first cutter holder 220 and the second cutter holder 250, and the translational driving mechanism 220 is connected with the translational driving mechanism 220 along the translational driving direction;

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, the pressing and conveying assembly 300 is used for being matched with the bearing and conveying assembly 100 to clamp the cardboard material 400 to convey forwards along the conveying path, namely, when the cardboard material 400 is placed on the bearing and conveying assembly 100, the pressing and conveying assembly 300 presses the cardboard material 400 on the bearing and conveying assembly 100 from the upper side, the cardboard material 400 can be positioned between the bearing and conveying assembly 100 and the pressing and conveying assembly 300, and the bearing and conveying assembly 100 and the pressing and conveying assembly 300 can synchronously work to clamp the cardboard material 400 to convey forwards.

The working process of the thick paperboard cutting device provided by the embodiment of the utility model is as follows: after the cardboard material 400 is transferred to the entrance on the carrying and transferring assembly 100 by a manual or other mechanical mechanism, the carrying and transferring assembly 100 transfers the cardboard material 400 forward along the transferring path to the first station, the second station and the third station, where 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; referring to fig. 4, two sets of pressing and conveying assemblies 300 simultaneously press down to clamp the cardboard material 400 on the carrying and conveying assembly 100, opposite edges of the cardboard material 400 are clamped and positioned, the first elevating driving mechanism 220 drives the tool holder 230 to descend, and the first cutting blade 240 and the second cutting blade 250 follow the tool holder 230 to descend and insert into the upper surface of the cardboard material 400; referring to fig. 5, the translation driving mechanism 210 drives the first lift driving mechanism 220 and the tool holder 230 to move in the advancing direction of the carrying and conveying assembly 100, the first cutting blade 240 and the second cutting blade 250 to move toward the outlet of the carrying and conveying assembly 100, and the first cutting edge of the first cutting blade 240 cuts through the surface of the cardboard material 400 and cuts to form a precut groove; referring to fig. 6, the first lifting driving mechanism 220 drives the knife holder 230 to descend again, the first cutting knife 240 and the second cutting knife 250 synchronously descend along the knife holder 230 and penetrate through the cardboard material 400 until the first cutting knife 240 and the second cutting knife 250 are inserted into the abdication knife slot 101, the carrying and conveying assembly 100 and the pressing and conveying assembly 300 synchronously operate, the cardboard material 400 is conveyed forward along the conveying path, the cardboard material 400 moves towards the outlet of the carrying and conveying assembly 100 relative to the second cutting knife 250, namely, the second cutting knife 250 moves towards the inlet of the carrying and conveying assembly 100 relative to the cardboard material 400, and the second cutting edge of the second cutting knife 250 cuts through the cardboard material 400 along the precut slot; referring to fig. 7, the first lifting driving mechanism 220 drives the knife holder 230 to the highest position so that the first and second cutting knives 240 and 250 are completely separated from the cardboard material 400, the two sets of pressing and conveying assemblies 300 release the cardboard material 400, the carrying and conveying assembly 100 conveys the cut cardboard material 400 to the next station outside toward the outlet, and the translation driving mechanism 210 drives the first lifting driving mechanism 220 and the knife holder 230 to be reset above the edge area of the second station close to the first station. Through-cutting of the specified line segment areas in the cardboard material 400 is performed in the above manner, so that a corresponding through-cut through groove structure is obtained in the cardboard material 400.

The first cutting knife 240 and the second cutting knife 250 with opposite knife edges are arranged, the first lifting driving mechanism 220 is regulated to enable the first cutting knife 240 to scratch into the surface of the cardboard material 400, the translation driving mechanism 210 drives the knife holder 230 to advance, the first knife edge of the first cutting knife 240 moves towards the advancing direction of the bearing conveying assembly 100, the surface of the cardboard material 400 is cut to obtain a precut groove, the first lifting driving mechanism 220 is regulated to enable the second cutting knife 250 to penetrate through the cardboard material 400 to reach the abdicating knife groove 101, the compaction conveying assembly 300 and the bearing conveying assembly 100 are used for driving the cardboard material 400 to advance, the second cutting knife 250 moves towards the retreating direction of the bearing conveying assembly 100 relative to the cardboard material 400, the penetrating cutting is carried out on the cardboard material 400 along the precut groove cutting, through setting up the mode that first cutting knife 240 and second cutting knife 250 were circulated back and forth and are carried out stepwise run-through to cardboard material 400 and cut, can effectively reduce the resistance that cardboard material 400 caused to cutting action among the cutting process, can effectively improve the stability of cutting action, can effectively reduce cardboard material 400 and form the probability of burr because of cutting, cardboard material 400 is neat and smooth because of the edge that cuts the formation, can effectively improve the quality of cutting, in addition, whole cutting action conveys cardboard material 400 through bearing conveying assembly 100, can effectively avoid the staff to take place the incident because of conveying cardboard material 400, the security performance is high, accomplish that first cutting knife 240 is to cardboard material 400 accomplish the cutting back of precutting groove, run-through to cardboard material 400 cuts action and send out the action synchronization and go on, can effectively shorten process time, the efficiency of cutting processing is high.

Specifically, the translation driving mechanism 210 may be configured as a screw driving mechanism, where the screw driving mechanism includes a screw motor, a screw shaft, a screw nut and a screw seat, the screw nut is sleeved and connected outside the screw shaft, the screw nut is slidably connected in the screw seat, the screw shaft is connected with the screw motor, and the screw motor drives the screw shaft to rotate, so as to drive the screw nut to slide in the screw seat.

It will be appreciated that the load carrying conveyor assembly 100 comprises a first conveyor belt 110 and a second conveyor belt 120 arranged side by side, the conveying surfaces of the first conveyor belt 110 and the second conveyor belt 120 being coplanar, and the relief pocket 101 being formed between the first conveyor belt 110 and the second conveyor belt 120, the conveying directions of the first conveyor belt 110 and the second conveyor belt 120 being the same, enabling the cardboard material 400 placed across their surfaces to be conveyed forward along the conveying path.

Specifically, the carrying and conveying assembly 100 includes a first conveying belt 110 and a second conveying belt 120 arranged side by side, the first conveying belt 110 and the second conveying belt 120 are wound around a synchronous roller, and the synchronous motor drives the first conveying belt 110 and the second conveying belt 120 to operate through the synchronous roller so as to drive the cardboard material 400 to advance.

It will be appreciated that referring to fig. 1 and 2, the cutting assembly 200 further includes a follower roller 260, the follower roller 260 is rotatably connected to the knife holder 230, the follower roller 260 can rotate on the carrying and conveying assembly 100, the conveying advancing direction of the carrying and conveying assembly 100 is tangential 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 bottoms of the first cutting knife 240 and the second cutting knife 250 are both located below the bottom of the follower roller 260, and when the thick cardboard material 400 is cut through by the second cutting knife 250, the follower roller 260 can replace the bottom of the knife holder 230 to contact the thick cardboard material 400 for the thick cardboard material 400, thereby avoiding the knife holder 230 from obstructing the cutting action.

It will be appreciated that the cutting assembly 200 further includes a first support plate 270, a first spring 271, a paper stretching frame 280 and a paper stretching roller 290, wherein the first support plate 270 is fixedly connected to one side of the knife holder 230, the paper stretching roller 290 is rotatably connected to the paper stretching frame 280, the conveying advancing direction of the carrying and conveying assembly 100 is tangential to the bottom circumferential surface of the paper stretching roller 290, the paper stretching roller 290 is located at one side of the knife holder 230 near the third station, and the upper and lower ends of the first spring 271 are respectively connected with the first support plate 270 and the paper stretching frame 280, so that the plane where the bottom of the paper stretching roller 290 is located below the bottom of the first cutting knife 240.

Before cutting, the central area of the cardboard material 400 is located at the second station, two opposite edges of the cardboard material 400 are respectively located at the first station and the third station, two groups of pressing and conveying assemblies 300 press down synchronously to clamp the cardboard material 400 on the carrying and conveying assembly 100, two opposite edges of the cardboard material 400 are clamped and positioned, the first lifting driving mechanism 220 drives the tool post 230 to descend, the tension roller 290 contacts the cardboard material 400 firstly, the first spring 271 is pressed during the continuous descending process, the tension roller 290 presses and positions the cardboard material 400 on the carrying and conveying assembly 100, and the first cutting knife 240 and the second cutting knife 250 descend along with the tool post 230 and are inserted into the upper surface of the cardboard material 400.

Because when the first cutter 240 is inserted into the upper surface of the cardboard material 400, the first cutter 240 is located at the edge position of the second station, which is close to the first station, before the first cutter 240 contacts the cardboard material 400, the follower roller 260 cooperates with the pressing and conveying assembly 300 at the first station to press and position the cardboard material 400 on two sides of the first cutter 240, so that the stability and accuracy of the action of the first cutter 240 when the first cutter 240 is inserted into the upper surface of the cardboard material 400 can be effectively improved, and the cutting effect can be effectively improved.

It can be appreciated that, referring to fig. 1 and 2, the cutting assembly 200 further includes 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 disposed through the first guide hole 281, the first guide post 272 is slidingly lifted in the first guide hole 281, one end of the first guide post 272 is fixedly connected with the first support plate 270, one end of the first guide post 272, which is far away from the first support plate 270, is fixedly connected with the first limiting plate 273, the first limiting plate 273 is located below the first guide hole 281, the first spring 271 is sleeved outside the first guide post 272, and by setting the first guide post 272, the first guide hole 281 and the first limiting plate 273, the relative position between the first support plate 270 and the paper stretching frame 280 can be effectively limited, the excessive stretching or the telescopic offset of the first spring 271 can be avoided to affect the normal operation, and the stability of the relative movement between the first support plate 270 and the paper stretching frame 280 can be effectively improved.

As can be appreciated, referring to fig. 1 and 3, the compacting and transporting assembly 300 includes a second elevating driving mechanism 310, a second supporting plate 320, a second spring 330, a platen 340, a platen roller 350, and a platen driving motor 360, the second supporting plate 320 is connected to the second elevating driving mechanism 310, the second elevating driving mechanism 310 is used for driving the second supporting plate 320 to perform elevating movement, the upper and lower ends of the second spring 330 are respectively connected to the second supporting plate 320 and the platen 340, the platen roller 350 is rotatably connected to the platen 340, the driving end of the platen driving motor 360 is connected to the platen roller 350, the transporting direction of the carrier transporting assembly 100 is perpendicular to the projection of the rotation axis of the platen roller 350 on the horizontal plane, and the platen driving motor 360 is used for driving the platen roller 350 to rotate, so that the platen roller 350 cooperates with the carrier transporting assembly 100 to synchronously drive the cardboard material 400 to advance along the transporting path.

In operation, the second lifting driving mechanism 310 drives the second supporting plate 320 to descend, the platen roller 350 contacts the upper surface of the cardboard material 400, and the second spring 330 is continuously compressed during the descending process, so as to further strengthen the extrusion force of the platen roller 350 on the cardboard material 400, after the second lifting driving mechanism 310 stops operating, the platen roller 350 is driven by the platen driving motor 360 to rotate, the bearing and conveying assembly 100 synchronously operates, and the cardboard material 400 is clamped between the platen roller 350 and the conveying surface of the bearing and conveying assembly 100 to advance along the conveying path.

Specifically, the first lift driving mechanism 220 and the second lift driving mechanism 310 may be provided as cylinders, wherein the first lift driving mechanism 220 is a double stroke cylinder.

It may be appreciated that, referring to fig. 1 and 3, the compacting and conveying assembly 300 further includes a second guide post 370 and a second limiting plate 380, the paper pressing frame 340 is provided with a second guide hole 341, the second guide post 370 is penetratingly disposed in the second guide hole 341, the second guide post 370 is slidingly lifted in the second guide hole 341, one end of the second guide post 370 is fixedly connected with the second support plate 320, one end of the second guide post 370 far away from the second support plate 320 is fixedly connected with the second limiting plate 380, the second limiting plate 380 is located below the second guide hole 341, the second spring 330 is sleeved outside the second guide post 370, by disposing 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 pressing frame 340 can be effectively limited, the excessive stretching or telescopic offset of the second spring 330 to affect the normal operation can be avoided, and the stability of the relative movement between the second support plate 320 and the paper pressing frame 340 can be effectively improved.

It will be appreciated that, referring to fig. 1 and 3, the surface of the platen roller 350 is provided with the anti-slip layer 351, and by providing the anti-slip layer 351, the reliability of the action of the platen roller 350 on the cardboard material 400 can be effectively improved, and specifically, the anti-slip layer 351 may be provided as a rubber layer.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which 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).