CN216543724U - Cross asynchronous die cutting device - Google Patents

Abstract

The utility model discloses a cross asynchronous die cutting device, which aims at the problem that the position between a plurality of circular knife dies is troublesome to adjust in the vertical direction. When the internal gear and the external gear are not meshed, the rotating drum is rotated, the rotating drum drives the rotating shaft, the circular cutter shaft and the first gear to rotate, the first gear is meshed with the rack, the external gear guides the rotating shaft to move along the gravity direction, the rotating shaft, the circular cutter shaft and the circular cutter mold can move along the gravity direction, and the adjustment is convenient.

Description

Cross asynchronous die cutting device

Technical Field

The utility model relates to the field of die cutting equipment manufacturing, in particular to a cross asynchronous die cutting device.

Background

The working principle of the die cutting machine is that a die cutting knife, a steel knife, a hardware die and a steel wire are utilized, a certain pressure is applied through a stamping plate, a printing product or a paperboard is rolled and cut into a certain shape, the whole printing product is pressed and cut into a single pattern product called die cutting, if one base material is laminated on another base material called laminating, the rest parts except a genuine product are removed called waste discharge, the base material can be called as a die cutting technology, asynchronous die cutting refers to a process that a die cutting layer for die cutting and a base layer bearing the die cutting layer are not synchronously pressed, but the die cutting layer or the base layer is subjected to a series of treatment and then combined.

At present, a circular knife die-cutting machine is arranged on the market, a cutting die is positioned on a cylindrical circular knife die, the cutting of a film is realized through rolling of the circular knife die, when the circular knife die-cutting machine is used for cutting a large-size PET film, the diameter of the circular knife die needs to be large, and the manufacturing cost of the circular knife die-cutting machine is high. At present, two or more circular knife mould dies respectively cut different positions of the PET film to realize the cutting of a complete PET film. Referring to fig. 1, two end faces of the circular knife mold 17 are fixedly connected with circular knife shafts 10, and the circular knife shafts 10 are coaxial with the circular knife mold 17. Such positional accuracy in the vertical direction between two or more circular cutter dies is difficult to be ensured, and the positional adjustment is troublesome, and therefore, there is room for improvement.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the cross asynchronous die cutting device which has the advantages of convenience in position adjustment of a plurality of circular knife dies in the vertical direction and high position precision.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides an asynchronous cutting device of cross, including the support that is fixed in ground, can dismantle the pivot of being connected with the circle cutter shaft and with the pivot slides the rotary drum of connecting along the axial, the fixed first gear that is equipped with of pivot, the fixed rack that is equipped with of support, the rack sets up along direction of gravity, mesh between first gear and the rack, the inside of rotary drum is equipped with the internal gear, the internal gear meshing has the external gear, the axial slides between external gear and the internal gear and is connected, slide along direction of gravity between external gear and the support and be connected, rotate between pivot and the external gear and be connected.

Adopt above-mentioned technical scheme, pass the rotary drum from axial direction, throw off between messenger's external gear and the internal gear, do not mesh between internal gear and the external gear promptly, rotate the rotary drum, the rotary drum drives the pivot and rotates, the pivot drives circle arbor and first gear revolve, first gear meshes on the rack, and the external gear slides along the direction of gravity on the support moreover, the external gear guides the removal of direction along the direction of gravity with the pivot, realize the removal of direction of gravity along the pivot, thereby realize the removal of circle arbor and circle sword mould along the direction of gravity, the position control of direction of gravity is convenient.

Further, the pivot is equipped with the feather key, the rotary drum is equipped with the spout that supplies the feather key to slide that sets up along the axial.

By adopting the technical scheme, the sliding key slides on the sliding groove of the rotary drum, so that the axial sliding connection of the rotary shaft relative to the rotary drum is realized, the structure is simple, and the manufacture is easy.

Furthermore, the sliding key is connected with the rotating shaft through a bolt.

By adopting the technical scheme, the bolt is screwed out from the sliding key and the rotating shaft, so that the sliding key is convenient to disassemble from the rotating shaft, and the sliding key is easy to wear and tear due to frequent sliding between the sliding key and the sliding groove of the rotating drum, thereby facilitating frequent replacement of the sliding key and increasing the practicability of the device.

Further, the outer gear is fixedly provided with a first sliding block, the support is provided with a through groove for the first sliding block to slide, and the through groove of the support is arranged along the gravity direction.

By adopting the technical scheme, the through groove of the support limits the degree of freedom of the first sliding block along the direction vertical to the gravity direction, and guides the first sliding block to the gravity direction, so that the sliding connection between the outer gear and the support in the gravity direction is realized.

Furthermore, the first sliding block is in extremely small clearance fit with the through groove of the support.

By adopting the technical scheme, the sliding space between the first sliding block and the support is ensured by the extremely-small clearance fit, the first sliding block is also ensured to move along the accurate gravity direction, and the moving precision of the first sliding block is increased.

Further, the outside of rotary drum is equipped with the bar knurling.

By adopting the technical scheme, the rotary drum is held by a hand, and the contact area between the strip knurls on the rotary drum and the hand is increased, so that the rotary drum is convenient to rotate.

Furthermore, the top of support can be dismantled and be connected with the dust guard.

By adopting the technical scheme, the environment flying dust of a factory is more, the dust-proof plate blocks the flying dust outside the device, and the flying dust is prevented from polluting the PET film.

Further, the dustproof plate is made of a transparent acrylic plate.

By adopting the technical scheme, the transparent acrylic plate is convenient for workers to observe the operation condition inside the device, and is convenient for inspection and monitoring.

In conclusion, the utility model has the following beneficial effects:

1. when the inner gear and the outer gear are not meshed, the rotating drum is rotated, the rotating drum drives the rotating shaft, the circular cutter shaft and the first gear to rotate, the first gear is meshed with the rack, the outer gear guides the rotating shaft to move along the gravity direction, the rotating shaft, the circular cutter shaft and the circular cutter mold move along the gravity direction, and the adjustment is convenient;

2. when the inner gear is meshed with the outer gear, the first sliding block can only slide along the gravity direction due to the fixed connection of the outer gear and the first sliding block, so that the rotation of the outer gear is limited, the rotation of the inner gear is limited, and the self-locking of the rotary drum and the rotary shaft is realized;

3. the first gear is meshed with the rack, so that the rotating shaft and the circular knife mold are supported in the gravity direction.

Drawings

FIG. 1 is a schematic diagram of a background art configuration;

FIG. 2 is a schematic structural diagram of the present embodiment;

fig. 3 is an exploded view of a third gear of the present embodiment;

fig. 4 is an exploded view of the rotating shaft of the present embodiment;

fig. 5 is a sectional view of the present embodiment.

In the figure: 1. a support; 2. a first slider; 3. a rotating drum; 4. a rotating shaft; 5. an outer gear; 6. an internal gear; 7. a sliding key; 8. a rack; 9. a first gear; 10. a circular cutter shaft; 11. a dust-proof plate; 12. a graduated scale; 13. a rotating electric machine; 14. a second gear; 15. a third gear; 17. a circular knife mould.

Detailed Description

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

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

A cross asynchronous die cutting device, see figures 2 and 3, comprises a support 1 fixed on the ground, a rotating shaft 4, a rotating drum 3 and two circular knife dies 17. Both ends of a circular knife mold 17 are provided with a rotating shaft 4 and a rotating drum 3. The rotating shaft 4 is inside the drum 3 and coaxial. The circular knife shaft 10, the rotating shaft 4 and the rotary drum 3 are all coaxial. The outer cylindrical surface of the cylindrical rotating drum 3 is provided with a strip-shaped knurl. Two circular knife molds 17 are provided along the conveying direction of the PET film.

Referring to fig. 3 and 5, the support 1 is provided with a space for the rotation of the two circular knife molds 17, one end of the rotating shaft 4 close to the circular knife molds 17 is fixedly provided with a first gear 9, the support 1 is fixedly provided with a rack 8 arranged along the gravity direction, and the first gear 9 is meshed with the rack 8.

Referring to fig. 5, a rotating motor 13 is fixedly arranged on the first slider 2, a body of the rotating motor 13 is fixedly connected to the first slider 2, an output shaft of the rotating motor 13 is fixedly connected with a third gear 15, a second gear 14 is fixedly arranged at one end, close to the rotating motor 13, of the circular knife mold 17, a through hole for the circular knife shaft 10 to pass through is formed in the middle of the second gear 14, and the second gear 14 is coaxial with the circular knife shaft 10. The second gear 14 meshes with a third gear 15.

Referring to fig. 3, 4 and 5, a sliding key 7 is bolted to one end of the rotating shaft 4 far away from the circular knife mold 17. The one end opening that is close to circular knife mould 17 of rotary drum 3, the one end of keeping away from circular knife mould 17 of the inner wall of rotary drum 3 is equipped with the spout that supplies feather key 7 to slide that sets up along the axial, and minimum clearance fit between the groove side of feather key 7 and the spout of rotary drum 3. An inner gear 6 is arranged at one end, close to the circular knife mold 17, of the inner wall of the rotary drum 3, the inner gear 6 is meshed with an outer gear 5, the outer gear 5 is connected with the inner gear 6 in an axial sliding mode, and the rotary shaft 4 is connected with the outer gear 5 in a rotating mode through a bearing. The one end that is close to circular knife mould 17 of external gear 5 is fixed and is equipped with first slider 2, and support 1 is equipped with the logical groove that supplies first slider 2 to slide, and the logical groove of support 1 sets up along the direction of gravity. The first sliding block 2 is in minimal clearance fit with the side surface of the through groove of the support 1.

Referring to fig. 4, the support 1 is fixedly provided with a scale 12 arranged along the gravity direction. A scale 12 is provided beside the rack 8.

Referring to fig. 4, a plane perpendicular to the central line of the axis of the circular knife mold 17 is taken as a mirror image plane, and the rotating shaft 4, the rotating drum 3, the sliding key 7, the external gear 5, the internal gear 6, the first sliding block 2, the first gear 9, the rack 8 and the scale 12 are mirrored to the other end of the circular knife mold 17.

Referring to fig. 2, the top of the support 1 is bolted with a dust guard 11, and the dust guard 11 is made of transparent acrylic plate.

Referring to fig. 3, 4 and 5, the working steps are: the rotary drum 3 is pulled out from the axial direction, the rotary drum 3 moves towards the direction far away from the circular knife mold 17 along the sliding key 7, meanwhile, the outer gear 5 and the inner gear 6 are separated, namely, the inner gear 6 and the outer gear 5 are not meshed, the rotary drum 3 is manually rotated, the rotary drum 3 drives the rotary shaft 4 to rotate through the sliding key 7, the rotary shaft 4 drives the circular knife shaft 10 and the first gear 9 to rotate, the first gear 9 is meshed on the rack 8, the first sliding block 2 drives the outer gear 5 to slide on the through groove of the support 1 along the gravity direction, the outer gear 5 guides the rotary shaft 4 to move along the gravity direction, and the rotary shaft 4 and the circular knife mold 17 move along the gravity direction. The two ends of the circular knife mold 17 are synchronously adjusted according to the steps. When the rotary drum 3 is pressed towards the direction close to the circular knife mold 17, the external gear 5 is meshed with the internal gear 6, and the first sliding block 2 limits the rotation of the external gear 5, so that the internal gear 6 cannot rotate, the rotary drum 3 cannot rotate, and the self-locking of the mechanism is realized.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (8)

1. The utility model provides an asynchronous cutting device of cross which characterized in that: including being fixed in support (1) on ground, can dismantle pivot (4) of being connected and with arbor (10) pivot (4) along axial sliding connection's rotary drum (3), pivot (4) are fixed and are equipped with first gear (9), support (1) are fixed and are equipped with rack (8), rack (8) set up along the direction of gravity, mesh between first gear (9) and rack (8), the inside of rotary drum (3) is equipped with internal gear (6), internal gear (6) meshing has external gear (5), axial sliding connection between external gear (5) and internal gear (6), slide along the direction of gravity between external gear (5) and support (1) and be connected, rotate between pivot (4) and external gear (5) and be connected.

2. The cross asynchronous die cutting device according to claim 1, characterized in that: the rotating shaft (4) is provided with a sliding key (7), and the rotating drum (3) is provided with a sliding groove which is arranged along the axial direction and used for the sliding of the sliding key (7).

3. The cross asynchronous die cutting device according to claim 2, characterized in that: the sliding key (7) is connected with the rotating shaft (4) through a bolt.

4. The cross asynchronous die cutting device according to claim 1, characterized in that: the outer gear (5) is fixedly provided with a first sliding block (2), the support (1) is provided with a through groove for the sliding of the first sliding block (2), and the through groove of the support (1) is arranged along the gravity direction.

5. The cross asynchronous die cutting device according to claim 4, characterized in that: and the first sliding block (2) is in extremely small clearance fit with the through groove of the support (1).

6. The cross asynchronous die cutting device according to claim 1, characterized in that: the outer part of the rotary drum (3) is provided with a strip-shaped knurl.

7. The cross asynchronous die cutting device according to claim 1, characterized in that: the top of the support (1) is detachably connected with a dust guard (11).

8. The cross asynchronous die cutting device according to claim 7, characterized in that: the dustproof plate (11) is made of a transparent acrylic plate.

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