CN219096057U - Cutting die convenient to change - Google Patents

Abstract

The utility model discloses a cutting die convenient to replace, which relates to the technical field of carton manufacturing and processing and comprises a mounting plate, a quick fixing and dismounting unit and a cutting die cutting buffer unit; four mounting holes are respectively formed in four corners of the upper surface of the mounting plate; the quick fixing and dismounting unit comprises a rectangular support plate I, a sliding plate, fixing convex strips, a sliding column I, a screw rod, a fixing plate, a detachable support plate and fixing grooves, wherein the middle parts of the two ends of the lower surface of the mounting plate are fixedly connected with the upper ends of the two corresponding matched rectangular support plates I respectively; the cutter die cutting buffer units are arranged at four corners of the upper surface of the detachable support plate. When cutting the carton into different shapes, can make things convenient for quick to the cutting die to dismantle the change, improve production efficiency, the impact that the cutting die received when the cutting die was down impacted the cutting is cushioned, reduces the impact that the cutting die received.

Description

Cutting die convenient to change

Technical Field

The utility model relates to the technical field of carton manufacturing and processing, in particular to a cutting die convenient to replace.

Background

The paper box is an indispensable article in people's production and life, and various paper boxes all need to be cut to form corresponding formats before being bonded or nailed, and the cutting work is generally carried out through a cutting machine at present, and a main working part on the cutting machine is a cutting die, and the cutting die is a die for embedding and fixing a cutter into a required shape on a bottom plate, and when in use, the paper board is punched through a pressure device, so that the paper board is cut into the required shape.

The prior art is inconvenient to detach and replace the cutting die rapidly when cutting the carton into different shapes, so that the production efficiency is reduced, the impact on the cutting die is not convenient to buffer when the cutting die is used for downwards impact cutting, the cutting die is easy to damage after being impacted for a long time, and therefore, the cutting die convenient to replace is provided.

Disclosure of Invention

The utility model aims to overcome the prior art, and provides the cutting die convenient to replace, which can conveniently and rapidly disassemble and replace the cutting die when the carton is cut into different shapes, improves the production efficiency, can conveniently buffer the impact of the cutting die when the cutting die impacts and cuts downwards, reduces the impact of the cutting die, and can effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a cutting die convenient to replace comprises a mounting plate, a quick fixing and dismounting unit and a cutting die cutting buffer unit;

and (2) mounting plate: four mounting holes are respectively formed in four corners of the upper surface of the box body;

quick fixing and dismounting unit: the two ends of the two side faces of the first rectangular support plate are fixedly connected with the two side faces of the two corresponding sliding columns respectively, the two side faces of the first sliding column are fixedly connected with the two ends of the two corresponding sliding plates respectively, the lower end of the sliding plate is fixedly connected with the middle part of the upper end of the fixed plate, the side faces of the two fixed plates are fixedly connected with the side faces of the two corresponding matched fixing convex strips respectively, the side faces of the two fixed plates are respectively and fixedly connected with the side faces of the two corresponding matched fixing convex strips, the side faces of the two rectangular support plates are respectively and rotatably connected with the side faces of the two ends of the screw rod, the side faces of the two ends of the screw rod are reversely threaded, the side faces of the two ends of the screw rod are respectively and fixedly connected with the side faces of the two sliding plates respectively, and the side faces of the two ends of the detachable support plate are respectively provided with two fixing grooves corresponding to the fixing convex strips;

knife die cutting buffer unit: is arranged at four corners of the upper surface of the detachable support plate.

The fixing bolt passes through the mounting hole on the mounting plate, thereby install the mounting plate on stamping equipment through the fixing bolt, when needs are fixed to dismantling the backup pad, the fixed sand grip is aimed at to the fixed recess in the backup pad that will dismantle, forward rotation screw rod, drive two sliding plates along the direction removal that the traveller is being close to each other, two sliding plates drive the fixed plate and remove towards the direction that is close to each other, the fixed plate drives fixed sand grip and removes, after fixed sand grip removes to a certain extent, fixed sand grip enters into the fixed recess, thereby make and dismantle the backup pad by fixed, when needs dismantle the backup pad, reverse rotation screw rod, drive two sliding plates along the traveller remove along the direction that the traveller is kept away from each other, the fixed plate drives fixed sand grip and removes, after fixed sand grip removes to a certain extent, fixed sand grip is deviate from in the fixed recess, thereby make and dismantle the backup pad no longer by fixed, a rectangular backup pad is used for supporting the traveller, the knife cut buffer unit makes can cut the cardboard, and can receive the shock die when the shock die is reduced.

Further, the quick fixing and dismounting unit further comprises a rotary table, and one end side surface of the screw rod is fixedly connected with the center of the side surface of the rotary table. The rotating turntable drives the screw to rotate, and the rotating radius of the screw is increased by the turntable, so that the screw is easier and more labor-saving in rotation.

Further, the quick fixing and dismounting unit further comprises anti-skid grooves, and five anti-skid grooves are uniformly formed in the side face of the periphery of the rotary disc at equal angles. The anti-slip groove can prevent the hand from slipping when rotating the turntable.

Further, the cutter die cutting buffer unit comprises a first limiting block, a second sliding column, a second rectangular supporting plate, a buffer block and a cutter die body, four corners of the upper surface of the detachable supporting plate are respectively connected with the middle side faces of the second sliding columns in a vertical sliding mode, which are matched correspondingly, the upper ends of the second sliding columns are respectively fixedly connected with the central positions of the lower surfaces of the first limiting blocks, the lower ends of the second sliding columns are respectively fixedly connected with the four corners of the upper surface of the second rectangular supporting plate, the cutter die body is arranged on the lower surface of the second rectangular supporting plate, and the middle of the lower surface of the detachable supporting plate is fixedly connected with the upper surface of the buffer block. When cutting the cardboard, stamping equipment drives the quick downwardly moving of mounting panel, the mounting panel drives quick downwardly moving of rectangle backup pad, the quick downwardly moving of rectangle backup pad one drives the strut, a strut is a quick downwardly moving of a drive slide plate, the slide plate drives the quick downwardly moving of fixed plate, the fixed plate drives the quick downwardly moving of fixed sand grip, fixed sand grip drives and can dismantle the backup pad and move down fast, can dismantle the backup pad and drive the quick downwardly moving of strut two, the strut second drives the quick downwardly moving of cutting die body, after the contact of cutting die body and cardboard, can dismantle the backup pad and continue quick downwardly moving, can dismantle the backup pad and drive buffer block quick downwardly moving, after buffer block and the quick downwardly moving of rectangle backup pad, buffer block will be rectangle backup pad second downwardly press for buffer block produces deformation, thereby play the effect of buffering, the rectangle backup pad second is with the cutting die body downwardly pressed, thereby make the cutting die body dismantle it, can not be dismantled the backup pad again when needs to dismantle it, thereby will dismantle the backup pad and can dismantle the backup pad and drive the quick downwardly moving of rectangle backup pad, can dismantle the second backup pad, thereby can dismantle the second rectangular backup pad and be dismantled the second, and be dismantled the second is driven by the post, thereby can be dismantled the second is convenient, and is dismantled by the second is dismantled to the post.

Further, the cutter die cutting buffer unit further comprises buffer round holes, and the side surfaces of the buffer blocks are uniformly provided with the buffer round holes at equal intervals. The buffer round hole can strengthen the buffer effect of the buffer block.

Further, the cutter die cutting buffer unit further comprises a second limiting block, a third sliding column, supporting lugs, springs and paperboard compacting plates, the middle parts of the side surfaces of the two ends of the second rectangular supporting plate are respectively fixedly connected with the side surfaces of the two supporting lugs which are correspondingly matched, the middle parts of the upper surfaces of the two supporting lugs are respectively and vertically connected with the side surfaces of the middle parts of the third sliding columns in a sliding manner, the upper ends of the third sliding columns are respectively and fixedly connected with the center positions of the lower surfaces of the second limiting block, the lower ends of the third sliding columns are respectively and fixedly connected with the middle parts of the upper surfaces of the two paperboard compacting plates, and the springs are respectively and movably sleeved on the parts, between the supporting lugs and the paperboard compacting plates, of the third sliding columns. The rectangular supporting plate II also drives the supporting lug to move downwards, the supporting lug drives the sliding column to move downwards in a three-way mode, the sliding column III drives the paperboard compacting plate to move downwards, when the sliding column moves to a certain extent, the paperboard compacting plate is in contact with the paperboard, the supporting lug continues to move downwards, the supporting lug compresses the spring, the paperboard compacting plate compresses the paperboard under the action of the spring, and the paperboard is prevented from generating displacement during cutting.

Compared with the prior art, the utility model has the beneficial effects that: this cutting die convenient to change has following benefit:

1. this quick fixed dismantlement unit that cutting die that is convenient for change set up makes can be quick fix and dismantle, very big make things convenient for the use, and the carousel wherein has increased the turning radius of screw rod for it is more light laborsaving when rotating.

2. The cutter die cutting buffer unit convenient to change is arranged in the cutter die cutting buffer unit, so that the paperboard can be cut, and the impact received by the cutter die can be buffered when the paperboard is cut, so that impact damage received by the cutter die is reduced, and the buffering effect of the buffer block can be enhanced by the buffer round hole.

3. This cutting die convenient to change is when cutting the carton into different shapes, and the change is dismantled to the cutting die that can make things convenient for quick, has improved production efficiency, and the impact that the cutting die received when the cutting die was down impacted cutting is cushioned, reduces the impact that the cutting die received.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic side view of the present utility model.

FIG. 3 is a schematic view of the upper end structure of the present utility model.

In the figure: 1 mounting plate, 2 mounting holes, 3 quick fixing and dismounting units, 31 turntables, 32 anti-slip grooves, 33 rectangular support plates I, 34 sliding plates, 35 fixing convex strips, 36 sliding columns I, 37 screws, 38 fixing plates, 39 detachable support plates, 310 fixing grooves, 4-cutter die cutting buffer units, 41 limiting blocks I, 42 sliding columns II, 43 rectangular support plates II, 44 buffering round holes, 45 buffer blocks, 46 cutter die bodies, 47 limiting blocks II, 48 sliding columns III, 49 support lugs, 410 springs and 411 paperboard compacting plates.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present embodiment provides a technical solution: the cutter die convenient to replace comprises a mounting plate 1, a quick fixing and dismounting unit 3 and a cutter die cutting buffer unit 4;

mounting plate 1: four mounting holes 2 are respectively formed in four corners of the upper surface of the box body;

quick fixing and dismounting unit 3: the two ends of the side surfaces of the two rectangular support plates 33 are fixedly connected with the two end side surfaces of the two corresponding sliding columns 36 respectively, the two end side surfaces of the two sliding columns 36 are fixedly connected with the two end side surfaces of the two corresponding sliding plates 34 respectively, the lower end of the sliding plate 34 is fixedly connected with the middle part of the upper end of the fixed plate 38, the middle part of the side surfaces of the two fixed plates 38 is fixedly connected with the side surfaces of the two corresponding fixed protruding strips 35 respectively, the middle parts of the side surfaces of the two rectangular support plates 33 are respectively in rotary connection with the two end side surfaces of the screw rod 37, the two end side surfaces of the screw rod 37 are reversely threaded, the two end side surfaces of the screw rod 37 are respectively in threaded connection with the middle parts of the side surfaces of the two sliding plates 34, and the middle parts of the two end side surfaces of the detachable support plate 39 are respectively provided with two fixed grooves 310 corresponding to the fixed protruding strips 35;

the quick fixing disassembly unit 3 further comprises a rotary disc 31, and one end side surface of the screw 37 is fixedly connected with the center of the side surface of the rotary disc 31. Rotating the turntable 31 drives the screw 37 to rotate, and the turntable 31 increases the rotation radius of the screw 37, so that the rotation is easier and more labor-saving.

The quick fixing and dismounting unit 3 further comprises anti-skid grooves 32, and five anti-skid grooves 32 are uniformly formed in the circumferential side surface of the turntable 31 at equal angles. The anti-slip groove 32 prevents the hand from slipping when the turntable 31 is rotated.

The cutter die cutting buffer unit 4: are installed at four corners of the upper surface of the detachable support plate 39.

The cutter die cutting buffer unit 4 comprises a first limiting block 41, a second sliding column 42, a second rectangular supporting plate 43, a buffer block 45 and a cutter die body 46, four corners of the upper surface of the detachable supporting plate 39 are respectively and correspondingly matched with the middle side faces of the second sliding column 42 in a vertical sliding mode, the upper ends of the second sliding columns 42 are respectively and fixedly connected with the central positions of the lower surfaces of the first limiting blocks 41, the lower ends of the second sliding columns 42 are respectively and fixedly connected with the four corners of the upper surface of the second rectangular supporting plate 43, the cutter die body 46 is arranged on the lower surface of the second rectangular supporting plate 43, and the middle of the lower surface of the detachable supporting plate 39 is fixedly connected with the upper surface of the buffer block 45. When the paperboard is cut, the stamping equipment drives the mounting plate 1 to move downwards quickly, the mounting plate 1 drives the rectangular support plate I33 to move downwards quickly, the rectangular support plate I33 drives the slide column I36 to move downwards quickly, the slide column I36 drives the slide plate 34 to move downwards quickly, the slide plate 34 drives the fixed plate 38 to move downwards quickly, the fixed plate 38 drives the fixed raised strips 35 to move downwards quickly, the fixed raised strips 35 drive the detachable support plate 39 to move downwards quickly, the detachable support plate 39 drives the slide column II 42 to move downwards quickly, the slide column II 42 drives the rectangular support plate II 43 to move downwards quickly, the rectangular support plate II 43 drives the cutter die body 46 to move downwards quickly, the detachable support plate 39 continues to move downwards quickly after the cutter die body 46 contacts the paperboard, the detachable support plate 39 drives the buffer block 45 to rapidly move downwards, after the buffer block 45 contacts with the rectangular support plate II 43, the buffer block 45 downwards presses the rectangular support plate II 43, so that the buffer block 45 deforms, a buffering effect is achieved, the rectangular support plate II 43 downwards presses the cutter die body 46, the cutter die body 46 cuts the paperboard, when the cutter die body needs to be detached, the detachable support plate 39 is not fixed any more, the detachable support plate 39 is detached, the detachable support plate 39 drives the slide post II 42 to be detached, the slide post II 42 drives the rectangular support plate II 43 to be detached, the rectangular support plate II 43 drives the cutter die body 46 to be detached, quick replacement of the cutter die body 46 is facilitated, and the first limit block 41 can prevent the slide post II 42 from falling off.

The cutter die cutting buffer unit 4 further comprises a buffer round hole 44, and the side surface of the buffer block 45 is uniformly provided with the buffer round hole 44 at equal distance. The buffer round hole 44 can enhance the buffer effect of the buffer block 45.

The cutter die cutting buffer unit 4 further comprises a second limiting block 47, a third sliding column 48, supporting lugs 49, springs 410 and paperboard compacting plates 411, the middle parts of the side surfaces of the two ends of the second rectangular supporting plate 43 are respectively fixedly connected with the side surfaces of the two supporting lugs 49 which are correspondingly matched, the middle parts of the upper surfaces of the two supporting lugs 49 are respectively vertically and slidably connected with the side surfaces of the middle parts of the two sliding columns III 48, the upper ends of the two sliding columns III 48 are respectively fixedly connected with the center positions of the lower surfaces of the two limiting blocks II 47, the lower ends of the two sliding columns III 48 are respectively fixedly connected with the middle parts of the upper surfaces of the two paperboard compacting plates 411, and the springs 410 are respectively movably sleeved on the parts of the two sliding columns III 48, which are positioned between the supporting lugs 49 and the paperboard compacting plates 411. The second rectangular supporting plate 43 also drives the supporting lug 49 to move downwards, the supporting lug 49 drives the third sliding column 48 to move downwards, the third sliding column 48 drives the paperboard compacting plate 411 to move downwards, after the paperboard compacting plate 411 contacts with the paperboard to a certain extent, the supporting lug 49 continues to move downwards, the supporting lug 49 compresses the spring 410, and the paperboard compacting plate 411 compacts the paperboard under the action of the spring 410, so that the paperboard is prevented from displacing during cutting.

The fixing bolts penetrate through the mounting holes 2 on the mounting plate 1, so that the mounting plate 1 is mounted on the stamping equipment through the fixing bolts, when the detachable support plate 39 needs to be fixed, the fixing grooves 310 on the detachable support plate 39 are aligned with the fixing convex strips 35, the screw rods 37 are rotated forwards, the two sliding plates 34 are driven to move along the sliding column I36 towards the direction approaching each other, the two sliding plates 34 drive the fixing plates 38 to move towards the direction approaching each other, the fixing plates 38 drive the fixing convex strips 35 to move, after the fixing convex strips 35 move to a certain extent, the fixing convex strips 35 enter the fixing grooves 310, so that the detachable support plate 39 is fixed, when the detachable support plate 39 needs to be detached, the screw rod 37 is reversely rotated to drive the two sliding plates 34 to move along the first sliding column 36 in the direction away from each other, the two sliding plates 34 drive the fixed plate 38 to move in the direction away from each other, the fixed plate 38 drives the fixed raised strips 35 to move, after the fixed raised strips 35 move to a certain extent, the fixed raised strips 35 are separated from the fixed grooves 310, so that the detachable supporting plate 39 is not fixed any more, the detachable supporting plate 39 can be detached, the first rectangular supporting plate 33 is used for supporting the first sliding column 36, the cutter die cutting buffer unit 4 can cut the paperboard, and the impact received by the cutter die can be buffered during cutting, so that the impact damage received by the cutter die is reduced.

The working principle of the cutting die convenient to replace provided by the utility model is as follows:

the fixing bolts penetrate through the mounting holes 2 on the mounting plate 1, so that the mounting plate 1 is mounted on the stamping equipment through the fixing bolts, when the detachable support plate 39 is required to be fixed, the fixing grooves 310 on the detachable support plate 39 are aligned with the fixing convex strips 35, the screw 37 is driven to rotate by the forward rotating turntable 31, the two sliding plates 34 are driven by the screw 37 to move along the sliding column I36 towards the direction approaching to each other, the fixing plates 38 are driven by the two sliding plates 34 to move towards the direction approaching to each other, the fixing convex strips 35 are driven by the fixing plates 38 to move, when the fixing convex strips 35 move to a certain extent, the fixing convex strips 35 enter the fixing grooves 310, so that the detachable support plate 39 is fixed, when the paperboard is cut, the rectangular support plate I33 is driven by the mounting plate 1 to move downwards rapidly by the stamping equipment, the first rectangular support plate 33 drives the first slide column 36 to move downwards quickly, the first slide column 36 drives the slide plate 34 to move downwards quickly, the slide plate 34 drives the fixed plate 38 to move downwards quickly, the fixed plate 38 drives the fixed convex strips 35 to move downwards quickly, the fixed convex strips 35 drive the detachable support plate 39 to move downwards quickly, the detachable support plate 39 drives the second slide column 42 to move downwards quickly, the second slide column 42 drives the second rectangular support plate 43 to move downwards quickly, the second rectangular support plate 43 drives the cutter die body 46 to move downwards quickly, the second rectangular support plate 43 also drives the support lug 49 to move downwards, the support lug 49 drives the third slide column 48 to move downwards, the third slide column 48 drives the paperboard compacting plate 411 to move downwards, after the movement to a certain extent, the paperboard compacting plate 411 contacts with the paperboard, the support lug 49 continues to move downwards, the support lug 49 compresses the spring 410, the paperboard compacting plate 411 is under the action of the spring 410, the paperboard is pressed tightly, the paperboard is prevented from being displaced during cutting, after the cutter die body 46 is contacted with the paperboard, the detachable support plate 39 continuously moves downwards rapidly, the detachable support plate 39 drives the buffer block 45 to move downwards rapidly, after the buffer block 45 is contacted with the rectangular support plate II 43, the buffer block 45 presses the rectangular support plate II 43 downwards, the buffer block 45 deforms, thereby playing a buffering role, the rectangular support plate II 43 presses the cutter die body 46 downwards, thereby the cutter die body 46 cuts the paperboard, when the cutter die body 46 needs to be detached, the screw rod 37 is driven by the reverse rotation turntable 31 to rotate, the screw rod 37 drives the two sliding plates 34 to move along the direction of the first sliding column 36 to be away from each other, the two sliding plates 34 drive the fixed plate 38 to move along the direction of the first sliding column 36 to be away from each other, the fixed plate 38 drives the fixed raised strips 35 to move, after the fixed raised strips 35 move to a certain extent, the fixed strips 35 are separated from the fixed grooves 310, the detachable support plate 39 is not fixed, the detachable support plate 39 is detached, and the detachable support plate 39 is detached, when the detachable support plate 39 is detached, the rectangular support plate 39 is detached, the cutter die body is detached, the two sliding plates are driven by the second sliding column 42, and the cutter die body 46 is detached conveniently, and the cutter die body 46 is detached quickly.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (6)

1. Cutting die convenient to change, its characterized in that: comprises a mounting plate (1), a quick fixing and dismounting unit (3) and a cutter die cutting buffer unit (4);

mounting plate (1): four mounting holes (2) are respectively formed in four corners of the upper surface of the box body;

quick fixing and dismounting unit (3): the two-dimensional sliding support comprises a rectangular support plate I (33), sliding plates (34), fixing raised strips (35), sliding columns I (36), screw rods (37), fixing plates (38), detachable support plates (39) and fixing grooves (310), wherein the middle parts of two ends of the lower surface of the mounting plate (1) are fixedly connected with the upper ends of two corresponding matched rectangular support plates I (33) respectively, the two ends of the side surfaces of the two rectangular support plates I (33) are fixedly connected with the two end side surfaces of two corresponding matched sliding columns I (36) respectively, the two end side surfaces of the two sliding columns I (36) are respectively and slidably connected with the two end side surfaces of the two corresponding matched sliding plates (34), the lower ends of the sliding plates (34) are fixedly connected with the middle parts of the upper ends of the fixing plates (38), the side surface middle parts of the two fixing plates (38) are respectively and fixedly connected with the side surfaces of the two corresponding matched fixing raised strips (35), the side surfaces of the two rectangular support plates I (33) are respectively and rotatably connected with the two end side surfaces of the screw rods (37), the side surfaces of two end sides of the screw rods (37) are reversely threaded, the two end sides of the two ends of the screw rods (37) are respectively and the two end sides of the two corresponding sliding plates (34) are respectively and are respectively connected with the two middle parts of the two corresponding fixing grooves (39);

cutter die cutting buffer unit (4): is arranged at four corners of the upper surface of the detachable support plate (39).

2. The easy-to-replace cutting die according to claim 1, wherein: the quick fixing and dismounting unit (3) further comprises a rotary table (31), and one end side surface of the screw rod (37) is fixedly connected with the center of the side surface of the rotary table (31).

3. A cutting die convenient to replace according to claim 2, wherein: the quick fixing and dismounting unit (3) further comprises anti-skid grooves (32), and five anti-skid grooves (32) are uniformly formed in the circumferential side surface of the rotary disc (31) at equal angles.

4. A cutting die for easy replacement according to claim 3, wherein: the cutter die cutting buffer unit (4) comprises a first limiting block (41), a second sliding column (42), a second rectangular supporting plate (43), a buffer block (45) and a cutter die body (46), four corners of the upper surface of the detachable supporting plate (39) are respectively connected with the middle side faces of the second sliding columns (42) which are correspondingly matched vertically in a sliding manner, the upper ends of the second sliding columns (42) are respectively fixedly connected with the central positions of the lower surfaces of the first limiting blocks (41), the lower ends of the second sliding columns (42) are respectively fixedly connected with the four corners of the upper surface of the second rectangular supporting plate (43), the lower surface of the second rectangular supporting plate (43) is provided with the cutter die body (46), and the middle of the lower surface of the detachable supporting plate (39) is fixedly connected with the upper surface of the buffer block (45).

5. The easy-to-replace cutting die according to claim 4, wherein: the cutter die cutting buffer unit (4) further comprises buffer round holes (44), and the side surfaces of the buffer blocks (45) are uniformly provided with the buffer round holes (44) at equal intervals.

6. The easy-to-replace cutting die according to claim 5, wherein: the cutter die cutting buffer unit (4) further comprises a second limiting block (47), a third sliding column (48), supporting lugs (49), springs (410) and a paperboard pressing plate (411), the middle parts of the side surfaces of the two ends of the rectangular supporting plate (43) are respectively fixedly connected with the side surfaces of the supporting lugs (49) which are correspondingly matched, the middle parts of the upper surfaces of the two supporting lugs (49) are respectively and vertically connected with the middle side surfaces of the three sliding columns (48) in a sliding manner, the upper ends of the three sliding columns (48) are respectively and fixedly connected with the center positions of the lower surfaces of the two limiting blocks (47), the lower ends of the three sliding columns (48) are respectively and fixedly connected with the middle parts of the upper surfaces of the two paperboard pressing plates (411), and the springs (410) are respectively and movably sleeved on the parts of the three sliding columns (48) between the supporting lugs (49) and the paperboard pressing plates (411).

Images