CN212528021U

CN212528021U - Die cutting mechanism of flat pressing flat die cutting machine

Info

Publication number: CN212528021U
Application number: CN202020688188.4U
Authority: CN
Inventors: 冯毅; 陶国志; 张革
Original assignee: Tianjin Development Zone Jinhong Packaging Products Co ltd
Current assignee: Tianjin Development Zone Jinhong Packaging Products Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-02-12
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a concora crush flat die cutting machine's die-cutting mechanism, including frame, cope match-plate pattern and lower bolster, be equipped with first spout and second spout in the frame, be equipped with first slider in the first spout, first slider passes through connecting rod connection cope match-plate pattern, the cope match-plate pattern passes through template frame attach die-cutting rule, be equipped with the second slider in the second spout, the second slider passes through the spring coupling elastic webbing, be equipped with the lower bolster under the elastic webbing, the lower bolster is connected with first branch and second branch, first branch is connected with first cam, first cam is connected in first pivot, be equipped with the action wheel on the first pivot, the action wheel passes through the belt and establishes in the second pivot from the driving wheel connection, be equipped with the second cam of connecting second branch in the second pivot. The utility model provides a flat-pressing flat die cutting machine's die-cutting mechanism, the card paper does not use nimble extensive and high-efficient orderly.

Description

Die cutting mechanism of flat pressing flat die cutting machine

Technical Field

The utility model belongs to the technical field of the cross cutting machine, concretely relates to concora crush flat die cutting machine's cross cutting mechanism.

Background

The die cutting machine is a kind of paper packaging and printing subsequent mechanical equipment. The stencil carved by steel knife, steel wire, etc. is used to apply a certain pressure through the printing plate to roll and cut the printed product (or paper) into the required shape. The die cutting machine is divided into a circular pressing machine, a circular pressing machine and a flat pressing machine according to the impression form. The platen die cutting machine is the most widely used type at present, and generally comprises a paper feeding mechanism, a paper conveying mechanism, a die cutting mechanism, a waste cleaning mechanism and a paper collecting mechanism which are sequentially connected, wherein in operation, the paper feeding mechanism conveys a printed product to the paper conveying mechanism, the paper conveying mechanism conveys the printed product to the die cutting mechanism for rolling and cutting, the printed product which is rolled and cut into a certain shape is conveyed to the waste cleaning mechanism to clean redundant parts of the printed product, and finally the printed product is conveyed to the paper collecting mechanism for collection. The die cutting mechanism is a core part of the die cutting machine and mainly comprises a fixed die plate, a movable die plate, a cutting die, a die cutter and the like, when the die cutting mechanism works, the movable die plate presses the fixed die plate through transmission pressure to apply pressure to a die cutting plate table on the fixed die plate, the die cutter is arranged on the die cutting plate table, and the die cutter performs roll cutting on a print product. The printed product is rolled into the required shape and then is easily clamped on the die-cutting rule, so that the printed product cannot descend along with the moving template in the direction away from the fixed template, the printed product cannot be transferred to the waste cleaning mechanism, and the next printed product conveyed from the paper conveying mechanism cannot complete good die-cutting work, so that the die-cutting work loses the high efficiency and the orderliness.

The utility model (with publication number of CN202668674U) discloses a die cutting mechanism of a flat-pressing flat die cutting machine, wherein an elastic gasket is arranged on one side of a cutting die opposite to a lower template in a protruding way, the elastic gasket is arranged on the side edge of a die cutting rule, and when the elastic gasket is in a natural state, the height of the die cutting rule protruding out of the cutting die is lower than that of the elastic gasket protruding out of the cutting die; when the elastic gasket is in a compressed state, the height of the die-cutting rule protruding out of the cutting die is higher than the height of the elastic gasket protruding out of the cutting die. The utility model discloses a back can be accomplished at the cross cutting to the elastic gasket who adds, and the paper can drop from the die-cutting rule smoothly to guarantee that cross cutting work can go on in an orderly manner. But the elastic gasket is arranged at the side edge of the die-cutting rule and limited by the shape and the position of the die-cutting rule, so that the universality is not realized. It would therefore be desirable to provide a versatile and versatile anti-jamming device for enhancing the efficiency and sequencing of die cutting operations in platen die cutting machines.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a cross cut mechanism of cross cut flat machine to solve the problem that proposes in the above-mentioned background art, the utility model provides a cross cut mechanism of cross cut flat machine does not card paper, uses nimble extensive and high-efficient orderly.

In order to achieve the above object, the utility model provides a following technical scheme: the die cutting mechanism of the flat die-cutting machine comprises a frame, an upper die plate and a lower die plate, wherein a first sliding groove and a second sliding groove are formed in the frame, a first sliding block is arranged in the first sliding groove, the first sliding block is connected with the upper die plate through a connecting rod, the upper die plate is connected with a die cutting knife through a die frame, a second sliding block is arranged in the second sliding groove, the second sliding block is connected with an elastic belt through a spring, the lower die plate is arranged under the elastic belt, the lower die plate is connected with a first supporting rod and a second supporting rod, the first supporting rod is connected with a first cam, the first cam is connected to a first rotating shaft, a driving wheel is arranged on the first rotating shaft, the driving wheel is connected with a driven wheel through a belt, the driven wheel is arranged on a second rotating shaft, a second cam is further arranged on the second rotating shaft. The arrangement of the first sliding groove and the first sliding block enables the position of the upper template to be adjustable; the elastic belt is arranged to enable paper clamped on the die-cutting rule to fall off under the action of elasticity, impact generated when the upper die plate and the lower die plate are contacted is relieved, the die-cutting rule is protected, and the whole lower die plate paper is enabled to be smooth and uniform in tension, so that die-cutting depth is enabled to be uniform; the second sliding groove and the second sliding block are arranged, so that the position of the elastic belt can be adjusted according to the position of the upper template; the arrangement of the spring can adjust the deformation of the elastic belt; the setting of cam makes the lower bolster can be by the intermittent type jack-up that makes progress, caters to the cope match-plate pattern and carries out the cross cutting, and the action wheel sets up from the driving wheel for the pivot at action wheel place drives the action wheel rotation under the exogenic action, and the action wheel passes through the belt and drives from the driving wheel rotation, can guarantee that two cam movements are unanimous.

Furthermore, a plurality of third sliding grooves are formed in the template frame, a plurality of third sliding blocks are arranged on the third sliding grooves, a cutter holder is connected to each third sliding block through a connecting piece, and a die cutting rule is connected to each cutter holder. The third sliding groove and the third sliding block are arranged, so that the position of the die cutting knife can be adjusted conveniently according to die cutting requirements, and the template frame does not need to be replaced. The size of the tool apron is determined according to the size of the die-cutting rule and the size of the third sliding block.

Furthermore, a plurality of first limiting holes are formed in the template frame. The first limiting holes are located on two sides of the third sliding groove and preferably distributed in a graduated mode, and the position of the cutter holder is conveniently and accurately fixed.

Furthermore, the tool apron is a rotary tool apron and is provided with a rotary cavity and a second limiting hole, and a connecting piece is connected in the rotary cavity. The direction of the die-cutting rule is convenient to adjust due to the arrangement of the rotary cutter holder, the diameter of the second limit hole is equal to that of the first limit hole, and the position of the rotary cutter holder is fixed in the first limit hole and the second limit hole through screws, so that the direction and the position of the die-cutting rule are fixed.

Furthermore, the tool apron is provided with a fourth sliding groove, a limiting spring is arranged in the fourth sliding groove, two ends of the limiting spring are respectively connected with a die-cutting rule and the inner wall of the fourth sliding groove, and the die-cutting rule is connected with a limiting block. The die-cutting rule is convenient to disassemble and connect with the tool apron due to the arrangement of the fourth sliding groove, the limiting spring and the limiting block, the die-cutting rule is convenient to replace, and the size of the fourth sliding groove, the limiting spring and the limiting block is determined according to the die-cutting rule.

Furthermore, the number of the upper templates is two, and the two upper templates are fixed through first positioning screws on the first sliding blocks respectively. Two cope match-plate pattern then have two die-cutting rule, improve cross cutting efficiency, the setting of first set screw is prevented that the little displacement of cope match-plate pattern when the cross cutting slides and then influences the cross cutting precision.

Furthermore, the number of the elastic belts is two, and the two elastic belts are fixed through second positioning screws on the second sliding block respectively. The elastic belt sets up to two, the regulation paper tension that can be better after contacting with the lower bolster, and the elastic belt contacts with the die-cutting rule when the setting of second set screw prevents the cross cutting.

Furthermore, the lower ends of the first supporting rod and the second supporting rod are both fixed with semicircular shafts. The semi-circular shaft is arranged to facilitate rotation of the cam when in contact therewith.

Further, the first cam and the second cam are both composed of a large arc portion and a small arc portion which are integrally formed. This setting is convenient for the cam structure and is firm, and the rotational stability.

The utility model discloses following beneficial effect has:

1. the utility model discloses cross cut mechanism of cross cut flat machine sets up the elastic webbing, and set up the deformation of spring adjustment elastic webbing, one can be so that the paper of card on the die-cutting rule drops by elasticity, two impact when can slowing down the cope match-plate pattern contact, protection die-cutting rule, three can guarantee that whole lower bolster paper levels and makes tension even, and then guarantee that the cross cutting degree of depth is even, and the position of elastic webbing can rely on second spout and second slider according to the adjustment of cope match-plate pattern position, it is comparatively nimble extensive to use, the high efficiency and the orderliness of cross cut flat machine have been guaranteed.

2. The utility model discloses cross cut mechanism of cross cutting machine sets up two cope match-plates, and the cope match-plate pattern position is adjustable through first spout and first slider, has improved cross cutting efficiency and cross cutting flexibility ratio.

3. The die cutting mechanism of the flat pressing flat die cutting machine of the utility model has the advantages that the template frame does not need to be frequently replaced according to different die cutting requirements, and the position of the die cutting rule is adjusted by arranging the third chute and the third slide block so as to meet the die cutting requirements; set up the direction that rotatory blade holder is convenient for adjust die-cutting rule on the template frame, the blade holder is equipped with fourth spout, spacing spring and stopper and is convenient for die-cutting rule and the dismantlement of blade holder be connected, is convenient for replace the die-cutting rule.

Drawings

FIG. 1 is a front view of a die cutting mechanism of a platen die cutting machine according to the present invention;

FIG. 2 is a left side view of a die cutting mechanism of the platen die cutting machine of the present invention;

FIG. 3 is a schematic view of the elastic belt connection structure of the die cutting mechanism of the platen die cutting machine of the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 1;

FIG. 5 is a schematic view of a template frame structure of a die cutting mechanism of the platen die cutting machine of the present invention;

FIG. 6 is a schematic view of a connecting structure of a tool apron of a die cutting mechanism of the platen die cutting machine of the present invention;

fig. 7 is a cross-sectional view of the knife holder of the die cutting mechanism of the platen die cutting machine of the present invention.

In the figure: 1. a frame; 2. a first chute; 3. a first slider; 4. a first set screw; 5. a second chute; 6. a second slider; 7. a first rotating shaft; 8. a belt; 9. a first cam; 10. a semi-circular shaft; 11. a first support bar; 12. a lower template; 13. a driving wheel; 14. a second rotating shaft; 15. a driven wheel; 16. a second cam; 17. a die-cutting rule; 18. a second support bar; 19. a second set screw; 20. a spring; 21. an elastic band; 22. a third chute; 23. a first limit hole; 24. a third slider; 25. a tool apron; 26. a limiting block; 27. a second limiting hole; 28. a connecting member; 29. a limiting spring; 30. rotating the cavity; 31. a connecting rod; 32. mounting a template; 33. a template frame.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1-7, the die cutting mechanism of the platen die cutting machine includes a frame 1, an upper die plate 32 and a lower die plate 12, wherein the frame 1 is provided with a first chute 2 and two second chutes 5, the first chute 2 is provided with two first sliders 3, the two first sliders 3 are respectively connected to the two upper die plates 32 through connecting rods 31, and the positions of the two upper die plates 32 are fixed by first positioning screws 4 on the first sliders 3. Each upper template 32 is connected with a template frame 33, the template frame 33 is provided with a plurality of third sliding grooves 22, two sides of the third sliding grooves 22 are provided with a plurality of first limit holes 23 which are distributed in a scale way, a plurality of third sliding blocks 24 are arranged in the third sliding grooves 22, the third sliding blocks 24 are connected with a rotatable tool apron 25 through connecting pieces 28, the size of the tool apron 25 is determined according to the sizes of the die-cutting tools 17 and the third sliding blocks 24, the tool apron 25 is provided with a rotating cavity 30, a second limit hole 27 and a fourth sliding groove, the tool apron 25 is sleeved on the connecting pieces 28 through the rotating cavity 30 to rotate, the diameter of the second limit hole 27 is equal to that of the first limit hole 23, the position of the rotating tool apron is fixed by arranging screws in the second limit hole 27 and the first limit hole 23, a limit spring 29 is arranged in the fourth sliding groove, one end of the limit spring 29 is fixedly connected with the inner, the die-cutting rule 17 is movably connected with a limiting block 26, and the sizes of the fourth sliding groove, the limiting spring 29 and the limiting block 26 are determined according to the die-cutting rule 17. Two second sliding blocks 6 are respectively arranged in the two second sliding grooves 5, the two second sliding blocks 6 are connected with an elastic belt 21 through two springs 20, the positions of the two elastic belts 21 are fixed through second positioning screws 19 on the second sliding blocks 6, and a lower template 12 is arranged below the two elastic belts 21. The lower template 12 is connected with a first supporting rod 11 and a second supporting rod 18, the first supporting rod 11 is connected with a first cam 9 through a semicircular shaft 10 fixed on the first supporting rod, the first cam 9 is connected to a first rotating shaft 7, a driving wheel 13 is arranged on the first rotating shaft 7, the driving wheel 13 is connected with a driven wheel 15 through a belt 8, the driven wheel 15 is arranged on a second rotating shaft 14, a second cam 16 is further arranged on the second rotating shaft 14, and the second cam 16 is connected with the semicircular shaft 10 fixed at the lower end of the second supporting rod 18. The first cam 9 is composed of a large arc portion and a small arc portion which are integrally formed, and the second cam 16 is composed of a large arc portion and a small arc portion which are integrally formed.

The setting of elastic band 21 in this embodiment, when lower bolster 12 descends firstly, elastic band 21 disappears by the tensile force that lower bolster 12 rose the production, elastic band 21 resumes the elasticity that deformation produced and makes the paper of card on die-cutting rule 17 drop, secondly when lower bolster 12 rose, elastic band 21 card is between the cope and drag template, the impact when slowing down the cope and drag template contact, die-cutting rule 17 on the protection cope match-plate pattern 32, three is after elastic band 21 and lower bolster 12 contact, can promote paper on the whole lower bolster 12 to level and smooth tensile evenly, and then guarantee that the cross cutting degree of depth is even. The spring 20 is arranged to adjust the deformation of the elastic belt 21, when the elastic belt 21 rises along with the lower template 12, the spring 20 is stretched to relieve the tension of the elastic belt 21, and when the elastic belt 21 falls along with the lower template 12, the spring 20 is restored to promote the falling and restoring of the elastic belt 21. The position of the elastic belt 21 can be adjusted according to the position of the upper template 32 by the arrangement of the second sliding chute 5 and the second sliding block 6, the use flexibility and the universality of the elastic belt 21 are increased, and the elastic belt 21 is prevented from contacting the die cutting knife 17 in the die cutting process by the arrangement of the second positioning screw 19. Wherein cope match-plate pattern 32 sets up to two, and its position is adjusted through setting up first spout 2 and first slider 3, and is fixed through setting up first set screw 4, prevents when improving cross cutting efficiency and flexibility ratio that the little displacement of cope match-plate pattern 32 from sliding and influence the cross cutting precision.

Template frame 33 in this embodiment need not frequently change according to different cross cutting demands, and the position of the die-cutting rule 17 of being convenient for is adjusted according to the cross cutting demand through setting up third spout 22 and third slider 24 on template frame 33, and first spacing hole 23 on template frame 33 is the scale distribution and sets up, the position of the accurate fixed die-cutting rule 17 of being convenient for.

The tool apron 25 and the die-cutting rule 17 in the embodiment are detachably connected, so that the die-cutting rule 17 can be replaced conveniently, and the tool apron 25 is a rotary tool apron, so that the direction of the die-cutting rule 17 can be adjusted conveniently.

Set up two cams and branch in this embodiment, the pressure of being convenient for increase lower bolster 12 makes its atress even simultaneously, and the setting up of cam makes lower bolster 12 can be carried out intermittent type cross cutting by intermittent type jack-up cooperation paper feed mechanism, and first cam 9 and second cam 16 comprise integrated into one piece's big circular arc portion and small circular arc portion, and the cam structure of being convenient for is firm, and the rotational stability, the setting of semicircle axle 10 promotes the rotation of cam when being convenient for with the cam contact.

In conclusion, the arrangement ensures that the die cutting mechanism of the platen die cutting machine can be orderly and efficiently carried out during the die cutting operation from the details.

The working principle is as follows: when the die cutting machine works, the first rotating shaft 7 starts to drive the driving wheel 13 to rotate under the action of external force, the driving wheel 13 drives the driven wheel 15 to rotate through the belt 8, the driven wheel 15 drives the second rotating shaft 14 to rotate, the rotating speeds of the first rotating shaft 7 and the second rotating shaft 14 are the same, and the two cams intermittently jack up the lower template 12 upwards through the supporting rods simultaneously to meet the upper template 17 for die cutting. When the paper on lower bolster 12 and it rises, contact elastic webbing 21 earlier, elastic webbing 21 makes paper on the whole lower bolster 12 level and smooth tension even, lower bolster 12 takes elastic webbing 21 to continue to rise, the impact when the upper and lower template contact has been alleviated to elastic webbing 21 when contacting upper template 32, die-cutting to the paper is carried out to die-cutting rule 17 on the upper template 32, lower bolster 12 descends, elastic webbing 21 receives the tension disappearance recovery deformation that lower bolster 12 rose production to produce elasticity makes the paper of card on die-cutting rule 17 drop to lower bolster 12, once complete cross cutting finishes.

It should be finally noted that the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention and not for limiting the same, and although the embodiments of the present invention are described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the embodiments of the present invention can still be modified or replaced with equivalents, and these modifications or equivalent replacements cannot make the modified technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The die cutting mechanism of the flat pressing flat die cutting machine comprises a rack (1), an upper die plate (32) and a lower die plate (12), and is characterized in that a first sliding groove (2) and a second sliding groove (5) are formed in the rack (1), a first sliding block (3) is arranged in the first sliding groove (2), the first sliding block (3) is connected with the upper die plate (32) through a connecting rod (31), the upper die plate (32) is connected with a die cutting knife (17) through a die plate frame (33), a second sliding block (6) is arranged in the second sliding groove (5), the second sliding block (6) is connected with an elastic belt (21) through a spring (20), the elastic belt (21) is provided with the lower die plate (12), the lower die plate (12) is connected with a first supporting rod (11) and a second supporting rod (18), the first supporting rod (11) is connected with a first cam (9), and the first cam (9) is connected with a first rotating shaft (7), be equipped with action wheel (13) on first pivot (7), action wheel (13) are connected with from driving wheel (15) through belt (8), establish on second pivot (14) from driving wheel (15), still be equipped with second cam (16) on second pivot (14), second cam (16) are connected with second branch (18).

2. The die cutting mechanism of a platen die cutting machine according to claim 1, wherein a plurality of third slide grooves (22) are formed in the die plate frame (33), a plurality of third slide blocks (24) are formed in the third slide grooves (22), a tool apron (25) is connected to each third slide block (24) through a connecting piece (28), and a die cutting knife (17) is connected to each tool apron (25).

3. The die-cutting mechanism of the flat-pressing flat-die cutting machine according to claim 2, characterized in that the tool holder (25) is a rotary tool holder, and is provided with a rotary cavity (30) and a second limiting hole (27), and a connecting piece (28) is connected in the rotary cavity (30).

4. The die-cutting mechanism of the flat-pressing flat-die cutting machine according to claim 2, characterized in that the tool apron (25) is provided with a fourth sliding groove, a limiting spring (29) is arranged in the fourth sliding groove, the two ends of the limiting spring (29) are respectively connected with the die-cutting tool (17) and the inner wall of the fourth sliding groove, and the die-cutting tool (17) is connected with a limiting block (26).

5. The die-cutting mechanism of the platen die-cutting machine according to claim 2, wherein the template frame (33) is provided with a plurality of first limiting holes (23).

6. The die cutting mechanism of a platen die cutting machine according to claim 5, wherein the first limiting holes (23) are distributed on both sides of the third sliding groove (22) in a graduated manner.

7. The die cutting mechanism of a platen die cutting machine according to claim 1, wherein the number of the upper die plates (32) is two, and the two upper die plates (32) are fixed by first positioning screws (4) on the first slide block (3), respectively.

8. The die cutting mechanism of a platen die cutting machine according to claim 1, wherein the number of the elastic bands (21) is two, and the two elastic bands (21) are fixed by second set screws (19) on the second slide block (6), respectively.

9. The die cutting mechanism of a platen die cutting machine according to claim 1, wherein the lower ends of the first and second support bars (11, 18) are each fixed with a semicircular shaft (10).

10. The die-cutting mechanism of a platen die-cutting machine according to claim 1, wherein the first cam (9) and the second cam (16) are each composed of a large arc portion and a small arc portion which are integrally formed.