CN114801311A

CN114801311A - Die cutting device for die cutting machine

Info

Publication number: CN114801311A
Application number: CN202210533486.XA
Authority: CN
Inventors: 钟卫; 殷承秋; 刘衍雄; 谭容武
Original assignee: Shenzhen Xinnuocheng Technology Co ltd
Current assignee: Shenzhen Xinnuocheng Technology Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-07-29

Abstract

The invention discloses a die cutting device for a die cutting machine, which comprises a conveyor belt for intermittently conveying paper raw materials, wherein a cutting cylinder capable of moving up and down is arranged above the conveyor belt, and the section of the cutting cylinder is in a fan shape; still include printing element, printing element includes the frame plate, the top of frame plate is seted up porosely, and the downthehole installation pipe that is fixed with, the lifter that reciprocates along with cutting a section of thick bamboo is installed to the inside pipe wall of installation pipe, the dwang is installed in the outer wall rotation of lifter. According to the invention, through the matching of the structures, after the fan-shaped paper is cut by the cutting cylinder, the fan-shaped paper is attached to the paper surface through the printing roller and rolls on the paper surface, the surface of the cut fan-shaped paper is printed and processed, the effect of integrated setting of die cutting and printing is achieved, then the paper raw material is intermittently conveyed through the conveying belt and continuously circulated, so that the subsequent processing procedures are reduced, the operation process is saved, and the working efficiency is improved.

Description

Die cutting device for die cutting machine

Technical Field

The invention relates to the technical field of die cutting machines, in particular to a die cutting device for a die cutting machine.

Background

The die cutting machine is also called beer machine, cutting machine, digital controlled punching machine, etc. and is mainly used for cutting non-metal material, non-setting adhesive, EVA, etc. and cutting printed matter or paper board into certain shape with the die cutter.

In the prior art, when a disposable paper cup is processed, a paperboard raw material needs to be cut into a preset shape, namely a fan-shaped shape, then the paperboard raw material is curled to form a cup wall of a paper cup, and then corresponding patterns or characters are printed on the cup wall, so that the cutting process and the printing process need to be divided into two processes to be carried out, the processes are not only complicated, but also the workload is increased, and the working efficiency is reduced.

Disclosure of Invention

The invention aims to provide a die cutting device for a die cutting machine, wherein after fan-shaped paper is cut off by a cutting cylinder, the fan-shaped paper is attached to a paper surface through a printing roller and rolls on the paper surface to print and process the surface of the cut fan-shaped paper, so that the effect of integrated setting of die cutting and printing is achieved, then paper raw materials are conveyed intermittently through a conveying belt and are circulated continuously, the subsequent processing procedures are reduced, the operation process is saved, the working efficiency is improved, and the problems in the background technology are solved.

In order to achieve the purpose, the invention provides the following technical scheme: a die cutting device for a die cutting machine comprises a conveyor belt for intermittently conveying paper raw materials, wherein a cutting cylinder capable of moving up and down is arranged above the conveyor belt, and the section of the cutting cylinder is in a fan shape;

the printing component comprises a frame plate, a hole is formed in the top of the frame plate, an installation pipe is fixedly arranged in the hole, a lifting rod which moves up and down along with the cutting cylinder is installed on the inner wall of the pipe of the installation pipe, a rotating rod is rotatably installed on the outer wall of the lifting rod, an elongated slot is formed in the outer wall of the cutting cylinder, one end of the rotating rod penetrates into the cutting cylinder from the elongated slot and is fixedly provided with a printing roller, and the printing roller is in a frustum shape;

the printing roller further comprises a transmission assembly used for driving the lifting rod to rotate in a reciprocating mode, and when the conical surface of the printing roller is attached to the paper board, the transmission assembly can drive the lifting rod to rotate.

Preferably, the top of frame plate is fixed with the air traffic control through two backup pads, the vertical slidable mounting of inner wall of air traffic control has the elevator, the top of air traffic control is seted up porosely, and downthehole but installs vertical reciprocating motion's drive post, air traffic control both sides outer wall is all seted up slottedly, just the outer wall of air traffic control both sides all is fixed with the mounting panel of wearing out the groove outside, is located the mounting panel both sides outer wall of cutting a section of thick bamboo top all is fixed with L type pole, it fixes between two L type poles to cut a section of thick bamboo.

Preferably, be located two the hollow tube outer wall of mounting panel below all is fixed with the fixed plate, is located cut the fixed plate bottom of section of thick bamboo top and be fixed with the sector plate through the connecting block, the sector plate stretch into cut in the section of thick bamboo, and with cut the inner wall sliding connection of section of thick bamboo, the bottom of sector plate is fixed with the cotton of dipping in the material, just dip in the inclined plane that the cotton setting of material and the conical surface looks adaptation of embossing roll.

Preferably, the transmission assembly is including fixing the riser in the frame plate bottom, the outer wall of riser is fixed with one side open-ended sliding frame, the horizontal slidable mounting of inner wall of sliding frame has the rack, be connected with the extension spring between the frame inner wall of rack and sliding frame, the top that the extension spring was kept away from to the rack is fixed with the lug, one of them the outer wall of mounting panel rotates and installs and supports the pole, just the decurrent torsional spring of torsional force is installed to the junction that supports the pole, the one end that the mounting panel was kept away from to the pole supports in lug department, the bottom mounting that the lifter passed the installation pipe has drive gear, is located the lifter outer wall of dwang below is fixed with the fender dish, it establishes the spring on the lifter to be connected with the cover between fender dish and the installation pipe, the top of lifter offsets with the bottom of mounting panel.

Preferably, two install two intermediate floors between the backup pad, just the dwang passes, two from between two intermediate floors the opposite face outer wall of intermediate floor all is fixed with the arc rack, the outer wall of dwang is fixed with conical gear, works as conical gear can mesh with two arc racks respectively when reciprocating.

Preferably, the outer wall of the hollow pipe above the lifting block is provided with a hole for one-way air inlet and an air pipe connected with a one-way air outlet, and one end of the air pipe far away from the hollow pipe penetrates through the sector plate and is fixedly connected with the penetrating part of the sector plate.

Preferably, the bottom ends of the two L-shaped rods are respectively provided with an elastic telescopic rod, the bottom ends of the two elastic telescopic rods are respectively fixed with a pre-pressing strip, and the bottom parts of the two pre-pressing strips are respectively fixed with a flexible layer.

Preferably, the surface of the conveyor belt is provided with a fan-shaped groove for the cutting cylinder to cut into.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, through the matching of the structures, after the fan-shaped paper is cut by the cutting cylinder, the fan-shaped paper is attached to the paper surface through the printing roller and rolls on the paper surface to print and process the surface of the cut fan-shaped paper, so that the effect of integrated setting of die cutting and printing is achieved, and then the paper raw material is conveyed intermittently through the conveying belt and is circulated continuously, so that the subsequent processing procedures are reduced, the operation process is saved, and the working efficiency is improved.

Drawings

FIG. 1 is a front view of a first embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a first perspective view of the first embodiment of the present invention;

FIG. 4 is a second perspective view of the first embodiment of the present invention;

FIG. 5 is a third perspective view of the first embodiment of the present invention;

FIG. 6 is an exploded perspective view of the cutting cylinder of the present invention;

FIG. 7 is an enlarged view of a portion of a conveyor belt according to a first embodiment of the invention;

FIG. 8 is a schematic structural view of a second embodiment of the present invention;

fig. 9 is a partially enlarged view of a conveyor belt according to a second embodiment of the invention.

In the figure: 1. empty pipe; 2. a lifting block; 3. a drive column; 4. a support plate; 5. mounting a plate; 6. a frame plate; 7. installing a pipe; 8. a lifting rod; 9. a transmission gear; 10. a catch tray; 11. a spring; 12. rotating the rod; 13. a middle plate; 14. an arc-shaped rack; 15. cutting the cylinder; 16. an L-shaped rod; 17. a sector plate; 18. a printing roller; 19. a bevel gear; 20. dipping cotton; 21. a vertical plate; 22. a rack; 23. a sliding frame; 24. a tension spring; 25. a bump; 26. a support rod; 27. a conveyor belt; 28. an elastic telescopic rod; 29. pre-pressing strips; 30. an air tube; 31. and (7) fixing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment;

referring to fig. 1 to 7, the present invention provides a technical solution: a die cutting device for a die cutting machine comprises a conveyor belt 27 used for intermittently conveying paper raw materials, a cutting cylinder 15 capable of moving up and down is arranged above the conveyor belt 27, and the section of the cutting cylinder 15 is in a sector shape;

the printing device comprises a cutting drum 15, a printing assembly and a fixing device, wherein the printing assembly comprises a frame plate 6, the top of the frame plate 6 is provided with a hole, an installation pipe 7 is fixedly arranged in the hole, the inner wall of the pipe of the installation pipe 7 is provided with a lifting rod 8 which moves up and down along with the cutting drum 15, the outer wall of the lifting rod 8 is rotatably provided with a rotating rod 12, the outer wall of the cutting drum 15 is provided with a long groove, one end of the rotating rod 12 penetrates into the cutting drum 15 from the long groove and is fixedly provided with a printing roller 18, and the printing roller 18 is in a frustum shape;

the printing device also comprises a transmission component for driving the lifting rod 8 to rotate in a reciprocating manner, and when the conical surface of the printing roller 18 is attached to the paperboard, the transmission component can drive the lifting rod 8 to rotate.

When the die cutting device is used, paper raw materials are conveyed intermittently through the conveying belt 27, and when the paper raw materials stop transmission, the cutting cylinder 15 is driven to move downwards through an external structure, and the paper raw materials are cut into a fan shape by the cutter at the bottom of the cutting cylinder.

Meanwhile, when cutting section of thick bamboo 15 downstream, lifter 8 also can be along with downstream together, and make dwang 12 and embossing roll 18 also downstream, be certain angle setting between dwang 12 and the lifter 8, make embossing roll 18's conical surface can with the paper laminating, cut section of thick bamboo 15 and cut down the back with fan-shaped paper when cutting, embossing roll 18 and paper laminating this moment, cut section of thick bamboo 15 stop to remove this moment, drive assembly drives lifter 8 and rotates, can drive dwang 12 swing when lifter 8 rotates, embossing roll 18 and the frictional action of paper simultaneously, can make embossing roll 18 roll at the paper, fan-shaped facial tissue surface printing processing under to the sanction.

After printing, the cutting drum 15 is driven by an external mechanism to move upwards and reset, and the printing roller 18 is also separated from the paper surface, at the same time, the transmission assembly can rotate reversely, so that the rotating rod 12 swings reversely, and the printing roller 18 is reset and moved.

Then the paper raw material is conveyed through the conveying belt 27, so that the paper is continuously circulated, the surface of the paper can be printed and processed while the paper is cut, the effect of integrally setting die cutting and printing is achieved, the subsequent processing procedures are reduced, the operation process is saved, and the working efficiency is improved.

Further, the top of frame plate 6 is fixed with blank pipe 1 through two backup pads 4, the vertical slidable mounting of inner wall of blank pipe 1 has lifter block 2, the top of blank pipe 1 is seted up porosely, and downthehole drive column 3 that installs vertical reciprocating motion, the outer wall of blank pipe 1 both sides all is seted up slottedly, and the outer wall of blank pipe 1 both sides all is fixed with the mounting panel 5 that pierces out the groove outside, the mounting panel 5 both sides outer wall that is located and cuts a section of thick bamboo 15 top all is fixed with L type pole 16, it fixes between two L type poles 16 to cut a section of thick bamboo 15.

Through external mechanism drive post 3 and reciprocate, usable cylinder drive, then drive post 3 can drive elevator 2 and reciprocate, drives mounting panel 5 and L type pole 16 simultaneously and reciprocates together to make and cut section of thick bamboo 15 and reciprocate, cut the paper.

Further, the outer wall of the hollow pipe 1 below the two mounting plates 5 is fixed with a fixing plate 31, the bottom of the fixing plate 31 above the cutting cylinder 15 is fixed with a sector plate 17 through a connecting block, the sector plate 17 extends into the cutting cylinder 15 and is connected with the inner wall of the cutting cylinder 15 in a sliding manner, the bottom of the sector plate 17 is fixed with dipping cotton 20, and the inclined plane formed by the dipping cotton 20 is matched with the conical surface of the printing roll 18.

Known by preceding content, when cutting section of thick bamboo 15 downstream and carrying out the cross cutting, can drive embossing roll 18 downstream, embossing roll 18 breaks away from with the cotton 20 of dipping in the material this moment, then after the cross cutting, cut section of thick bamboo 15 and shift up and reset, embossing roll 18 and the cotton 20 contact of dipping in the material this moment, and rotate and make embossing roll 18 roll on the cotton 20 surface of dipping in the material along with the reseing of lifter 8, thereby after printing at every turn, all can be to the printing roll 18 on the viscous coating printing ink, and then reduce the difference of every fan paper surface printing pattern, and the work efficiency is improved.

Further, the transmission assembly comprises a vertical plate 21 fixed at the bottom of the frame plate 6, the outer wall of the vertical plate 21 is fixed with a sliding frame 23 with an opening on one side, a rack 22 is horizontally slidably mounted on the inner wall of the sliding frame 23, a tension spring 24 is connected between the rack 22 and the inner wall of the sliding frame 23, a convex block 25 is fixed at the top of the rack 22 far away from the tension spring 24, a resisting rod 26 is rotatably mounted on the outer wall of one of the mounting plates 5, a torsion spring with a downward torsion force is mounted at the joint of the resisting rod 26, one end of the resisting rod 26 far away from the mounting plate 5 is propped against the convex block 25, a transmission gear 9 is fixed at the bottom end of the lifting rod 8 penetrating through the mounting pipe 7, a blocking disc 10 is fixed on the outer wall of the lifting rod 8 below the rotating rod 12, a spring 11 sleeved on the lifting rod 8 is connected between the blocking disc 10 and the mounting pipe 7, and the top end of the lifting rod 8 is propped against the bottom of the mounting plate 5.

A preferred embodiment of the transmission assembly, which can be seen in fig. 1, 3 and 5, when the elevator block 2 is moved downwards, the mounting plate 5 is driven to move downwards, at this time, the abutting rod 26 abuts against the bump 25 to drive the rack 22 to move, the tension spring 24 is stretched, the mounting plate 5 presses the lifting rod 8 to move downwards, the lifting rod 8 will then move the transmission gear 9 downwards, and the catch disk 10 will compress the spring 11, when the driving gear 9 is engaged with the rack 22, at this time, since the rotating lever 12 is rotated at one end of the groove on the cutting cylinder 15, the transmission gear 9 can limit the rack 22 by the limiting function of the groove on the rotating rod 12, and at this time, as the mounting plate 5 continues to move downwards, the abutting rod 26 can slip off the convex block 25, the convex block 25 is provided with a round angle, and meanwhile, the lifting block 2 and the mounting plate 5 stop moving downwards, and the fan-shaped paper is in a state after being cut by the cutting cylinder 15;

then the rack 22 will reset under the action of the tension spring 24, drive the transmission gear 9 to rotate through the meshing action, then the transmission gear 9 will drive the lifting rod 8 to rotate, then the lifting rod 8 drives the rotating rod 12 to rotate and move in the groove on the cutting cylinder 15, and at this time, the printing state is achieved;

after printing, the mounting plate 5 moves upwards along with the lifting block 2, at this time, under the elastic force action of the spring 11, the baffle disc 10 drives the lifting rod 8 to move upwards and reset, so that the transmission gear 9 is disengaged from the rack 22, and the spring 11 is in a compressed state before and can generate a certain torsional force along with the rotation of the lifting rod 8, so that after the transmission gear 9 is disengaged from the rack 22, the limiting effect on the transmission gear 9 is cancelled by the rack 22, the spring 11 drives the lifting rod 8 to move upwards and simultaneously reset and rotate, and the printing roller 18 is reset and stained with ink;

meanwhile, the abutting rod 26 moves upwards along with the mounting plate 5, and under the action of the downward torsional force of the torsion spring, the torsion spring passes through the lug 25 again to reset, so that the resetting process is completed.

Further, install two intermediate floors 13 between two backup pads 4, and dwang 12 passes from between two intermediate floors 13, and the opposite face outer wall of two intermediate floors 13 all is fixed with arc rack 14, and the outer wall of dwang 12 is fixed with conical gear 19, can mesh with two arc racks 14 respectively when conical gear 19 reciprocates.

Known from the preceding content, dwang 12 can make embossing roll 18 contact with the paper respectively or dip in the cotton 20 contact of material along with the reciprocating of lifter 8, then carry out printing or dip in the material through frictional effort, on this basis, can refer to fig. 2, further optimization, when dwang 12 reciprocated, can make its fixed conical gear 19 respectively with two upper and lower arc rack 14 meshing, dwang 12 can drive conical gear 19 and walk on arc rack 14 surface along with the swing of lifter 8, can drive dwang 12 initiative through the meshing and rotate, thereby improve embossing roll 18's printing quality and the degree of consistency of being stained with black.

And the upper intermediate plate 13 is inclined so that the bevel gear 19 engages with the arc-shaped rack 14.

Furthermore, the outer wall of the hollow pipe 1 above the lifting block 2 is provided with a hole for one-way air inlet and an air pipe 30 connected with one-way air outlet, and one end of the air pipe 30 far away from the hollow pipe 1 penetrates through the fan-shaped plate 17 and is fixedly connected with the penetrating part of the fan-shaped plate 17.

As can be known from the foregoing, when the lifting block 2 moves downwards, air is sucked into the blank pipe 1 through the air inlet, and then when the lifting block 2 moves upwards to drive the cutting cylinder 15 to move upwards, at this time, the air in the blank pipe 1 is discharged through the air pipe 30 and introduced into the cutting cylinder 15, as can be seen from figures 2 and 4, because the cutting cylinder 15 is in a state of surrounding cutting, namely, fan-shaped paper subjected to die cutting is in the cutting cylinder 15, when the cutting cylinder 15 moves upwards and returns, the fan-shaped paper subjected to die cutting may be brought upwards, and thus, the fan-shaped paper can be stopped on the conveyor belt 27 through high-pressure air sprayed downwards from the air pipe 30, the clamping of the cutting cylinder 15 is prevented, and the working efficiency is improved.

And the flow of air can be accelerated to the spun air to accelerate the drying of printing ink after printing, prevent the printed surface from appearing vaguely, even appear the phenomenon of smearing flower when collecting, further improved printing quality.

Further, the bottom ends of the two L-shaped rods 16 are respectively provided with an elastic telescopic rod 28, the bottom ends of the two elastic telescopic rods 28 are respectively fixed with a pre-pressing strip 29, and the bottom parts of the two pre-pressing strips 29 are respectively fixed with a flexible layer.

Through setting up elasticity telescopic link 28 and pre-compaction strip 29, can make pre-compaction strip 29 contact the paper in advance, play the effect that compresses tightly to the paper, prevent to cut section of thick bamboo 15 paper when the cross cutting and skid, effectively improved the stability of cross cutting.

Further, the surface of the conveyor belt 27 is provided with fan-shaped grooves into which the cutting drum 15 can cut.

Referring to fig. 7, the fan-shaped grooves are formed in the surface of the conveyor belt 27, so that the cutting-in of the paper can be facilitated after the paper is cut by the die, the subsequent printing work can be facilitated, and the cut fan-shaped paper can be left in the grooves after the cutting-in of the paper is reset, and the subsequent collection can be facilitated.

In the second embodiment, based on the first embodiment, the die cutting devices can be respectively arranged on both sides of the conveyor belt 27, see fig. 8, and the grooves formed in the conveyor belt 27 are shown in fig. 9, so that the two die cutting devices can be simultaneously operated, not only can the efficiency be improved, but also compared with the first embodiment, see fig. 7, after the fan-shaped paper is cut, the waste materials are less, thereby improving the utilization rate of the paper, saving resources and improving the efficiency.

To sum up, this cutting device has reached the effect that cross cutting and printing integration set up when using, has not only reduced the process, has saved operation process, has still improved work efficiency.

The standard parts used in the present embodiment may be purchased directly from the market, and the non-standard structural components described in the specification and drawings may also be processed directly according to the conventional technical common knowledge without any doubt, and the connection manner of the respective parts is a conventional manner well-established in the prior art, and the machines, parts and equipment are of a conventional type in the prior art, so that detailed description thereof is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A die cutting device for a die cutting machine, comprising a conveyor belt (27) for intermittently conveying a paper stock, characterized in that: a cutting cylinder (15) capable of moving up and down is arranged above the conveyor belt (27), and the section of the cutting cylinder (15) is in a fan shape;

the printing device is characterized by further comprising a printing assembly, wherein the printing assembly comprises a frame plate (6), the top of the frame plate (6) is provided with a hole, an installation pipe (7) is fixedly arranged in the hole, a lifting rod (8) which moves up and down along with a cutting cylinder (15) is arranged on the inner wall of the pipe of the installation pipe (7), a rotating rod (12) is rotatably arranged on the outer wall of the lifting rod (8), an elongated slot is formed in the outer wall of the cutting cylinder (15), one end of the rotating rod (12) penetrates into the cutting cylinder (15) from the elongated slot and is fixedly provided with a printing roller (18), and the printing roller (18) is frustum-shaped;

the printing device is characterized by further comprising a transmission assembly for driving the lifting rod (8) to rotate in a reciprocating mode, and when the conical surface of the printing roller (18) is attached to the paper board, the transmission assembly can drive the lifting rod (8) to rotate.

2. The die cutting apparatus for a die cutting machine according to claim 1, wherein: the top of frame plate (6) is fixed with air traffic control (1) through two backup pads (4), the vertical slidable mounting of inner wall of air traffic control (1) has elevator (2), the top of air traffic control (1) is seted up porosely, and downthehole drive post (3) of installing vertical reciprocating motion, air traffic control (1) both sides outer wall all sets up slottedly, just the outer wall of air traffic control (1) both sides all is fixed with and wears out mounting panel (5) outside the groove, is located mounting panel (5) both sides outer wall of cutting a section of thick bamboo (15) top all is fixed with L type pole (16), cut a section of thick bamboo (15) and fix between two L type poles (16).

3. The die cutting apparatus for a die cutting machine according to claim 2, wherein: be located two hollow tube (1) outer wall of mounting panel (5) below all is fixed with fixed plate (31), is located fixed plate (31) bottom of surely bobbin (15) top is fixed with sector plate (17) through the connecting block, sector plate (17) stretch into surely bobbin (15) in, and with the inner wall sliding connection who surely bobbin (15), the bottom of sector plate (17) is fixed with dips in material cotton (20), just dip in the inclined plane that material cotton (20) set up and the conical surface looks adaptation of embossing roll (18).

4. The die cutting apparatus for a die cutting machine according to claim 1, wherein: the transmission assembly comprises a vertical plate (21) fixed at the bottom of a frame plate (6), the outer wall of the vertical plate (21) is fixed with a sliding frame (23) with an opening on one side, a rack (22) is horizontally slidably mounted on the inner wall of the sliding frame (23), tension springs (24) are connected between the rack (22) and the inner wall of the sliding frame (23), a lug (25) is fixed at the top of the rack (22) far away from the tension springs (24), a supporting rod (26) is rotatably mounted on the outer wall of one of the mounting plates (5), a torsion spring with downward torsional force is mounted at the joint of the supporting rod (26), one end of the supporting rod (26) far away from the mounting plate (5) is supported at the lug (25), a transmission gear (9) is fixed at the bottom end of the lifting rod (8) penetrating through a mounting pipe (7), and a blocking disc (10) is fixed on the outer wall of the lifting rod (8) below the rotating rod (12), a spring (11) sleeved on the lifting rod (8) is connected between the baffle disc (10) and the mounting pipe (7), and the top end of the lifting rod (8) is abutted to the bottom of the mounting plate (5).

5. The die cutting apparatus for a die cutting machine according to claim 2, wherein: two install two intermediate lamella (13) between backup pad (4), just dwang (12) pass, two from between two intermediate lamella (13) the opposite face outer wall of intermediate lamella (13) all is fixed with arc rack (14), the outer wall of dwang (12) is fixed with conical tooth wheel (19), works as conical tooth wheel (19) can mesh with two arc rack (14) respectively when reciprocating.

6. The die cutting apparatus for a die cutting machine according to claim 3, wherein: the air pipe (30) is connected with the air pipe (30) which is connected with the air outlet in a single direction, and one end, far away from the hollow pipe (1), of the air pipe (30) penetrates through the fan-shaped plate (17) and is fixedly connected with the penetrating position of the fan-shaped plate (17).

7. The die cutting device for a die cutting machine according to claim 2 or 3, characterized in that: elastic telescopic rods (28) are installed at the bottom ends of the two L-shaped rods (16), pre-pressing strips (29) are fixed at the bottom ends of the elastic telescopic rods (28), and flexible layers are fixed at the bottoms of the pre-pressing strips (29).

8. The die cutting device for a die cutting machine according to any one of claims 1 to 6, wherein: the surface of the conveyor belt (27) is provided with a fan-shaped groove which can be cut by the cutting cylinder (15).