CN215319170U - Die-cutting knife roller and die-cutting machine - Google Patents
Die-cutting knife roller and die-cutting machine Download PDFInfo
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- CN215319170U CN215319170U CN202121561840.7U CN202121561840U CN215319170U CN 215319170 U CN215319170 U CN 215319170U CN 202121561840 U CN202121561840 U CN 202121561840U CN 215319170 U CN215319170 U CN 215319170U
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Abstract
The utility model discloses a die-cutting knife roll, which comprises a knife roll main body, wherein the knife roll main body is provided with a rotating axis, an installation shaft hole extending along the rotating axis direction is formed in the knife roll main body, and at least one group of die-cutting blades in a preset shape are arranged on the outer side wall of the knife roll main body; the group of die cutting edges comprises two die cutting edges which are connected with each other, and the two die cutting edges in the same group are symmetrically arranged relative to a straight line where the two die cutting edges are connected; each die-cutting knife edge comprises a plurality of sections of end-to-end cutting edge lines, a material suction area is formed in each cutting edge line, a plurality of exhaust holes are formed in the knife roller body, and the exhaust holes are distributed in the material suction area and/or outside the material suction area. The two die cutting edges are designed, so that corners of the joints of the die cutting edges are not prone to corner collapse, and the service life of the die cutting edges is guaranteed; the vent holes are designed in the knife roller main body, so that the effect of pressing down products by the die cutting blades and the effect of attaching the products are guaranteed, and the products with the same shapes can be cut by the die cutting blades.
Description
Technical Field
The utility model relates to the technical field of die-cutting knife rollers, in particular to a die-cutting knife roller and a die-cutting machine.
Background
The die cutting is a cutting process at the later processing stage, and the die cutting process can manufacture printed matters or other paper products into a die cutting knife plate according to a pre-designed pattern for cutting, so that the shape of the paper products is not limited to a straight edge and a right angle. The traditional die cutting production uses die cutter rollers to combine into a die cutting plate according to the pattern of the product design requirement, under the action of pressure, the printed matter or other plate-shaped blanks are rolled and cut into the forming process of the required shape or cutting mark, the indentation process is to use a line pressing knife or a line pressing die to press line mark on the plate material under the action of pressure, or to use a line rolling wheel to roll line mark on the plate material, so that the plate material can be bent and formed according to the preset position.
The existing die-cutting knife roller has the following defects: 1. the gas generated between the cutting edge and the product in the processing process can influence the shape of the product; 2. if the tissue paper is processed, the blade can roll up the tissue paper, so that the shape of the product is greatly different; 3. the blade can break angle under the influence of stress, and the service life is influenced.
Disclosure of Invention
The utility model aims to provide a die-cutting knife roller and a die-cutting machine, and aims to solve the problems that the service life of a die-cutting edge of the die-cutting knife roller is short and the shape of a product is influenced by gas in processing in the prior art.
In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:
a die-cutting knife roll comprises a knife roll body, wherein the knife roll body is provided with a rotating axis, a mounting shaft hole extending along the rotating axis direction is formed in the knife roll body, and at least one group of die-cutting edges in a preset shape are arranged on the outer side wall of the knife roll body;
the group of die cutting edges comprises two die cutting edges which are connected with each other, and the two die cutting edges in the same group are symmetrically arranged relative to a straight line where the two die cutting edges are connected;
each cutting knife edge comprises a plurality of sections of cutting edge lines which are connected end to end, a material suction area is formed in each cutting edge line, a plurality of exhaust holes are formed in the knife roll main body, and the exhaust holes are distributed in the material suction area and/or outside the material suction area.
Further, the shape of the exhaust hole is round and/or square.
Further, the die cutting edge and the knife roller main body are integrally formed.
Furthermore, a pressing table is further arranged on the outer side wall of the knife roller main body, and the pressing table is arranged on a straight line where the connection positions of the two die cutting edges in the same group are located.
Furthermore, two pressing platforms are arranged on the straight line, one of the pressing platforms is located in the horizontal plane where the top end of the die cutting edge is located, and the other pressing platform is located in the horizontal plane where the bottom end of the die cutting edge is located.
Further, the depth of the pressing table is the same as the depth of the die cutting edge.
Furthermore, the die cutting edge and the knife roll main body are made of hard alloy.
Furthermore, the knife roller main body is also provided with a screw hole penetrating through the knife roller main body.
Furthermore, the number of the screw holes is at least two, and the connecting line direction of the two screw holes is the same as the direction of the rotating axis.
The application also discloses a die cutting machine, including above-mentioned arbitrary mould cutting knife roller.
According to the technical scheme, the embodiment of the utility model at least has the following effects:
1. according to the die-cutting knife roller designed by the application, the two die-cutting edges are designed on the same group of die-cutting edges, and compared with the traditional single-edge design (the joint of the two die-cutting edges is an integral body), the joint of the die-cutting edges is not easy to break corners, and the service life of the die-cutting edges is ensured;
2. according to the die-cutting knife roller, the exhaust holes are formed in the knife roller main body, when the die-cutting knife roller works, the die-cutting blade presses a product downwards, and gas between the die-cutting blade and the product can be exhausted from the exhaust holes, so that the effect that the product is pressed downwards by the die-cutting blade and the effect that the product is attached to the product are guaranteed, the effect that the product is cut by the die-cutting blade is guaranteed, and the products with the same shape can be cut by the die-cutting blades;
3. this application sets up the pressure platform in the rotor main part, rotates the in-process of cutting the product at the rotor main part, and the pressure platform of cross cutting sword junction can push down the product earlier, guarantees the effect that the product was cut to the die cutting sword, prevents that the product from rolling up, has guaranteed to cut the shape unanimity of product, can improve cross cutting efficiency.
4. This application sets up the screw on the rotor main part, when the installation rotor main part, makes the bolt compress tightly on the connecting axle through the connection of bolt and screw, guarantees the fixed effect of rotor main part.
Drawings
FIG. 1 is a schematic view of a die-cutting roll according to an embodiment of the present invention;
FIG. 2 is a front view of a die-cutting knife roll in an embodiment of the present invention;
fig. 3 is a cross-sectional view of fig. 2.
Wherein: 1. a cutter roll body; 11. installing the shaft hole; 2. die cutting edges; 3. pressing the table; 4. an exhaust hole; 5. and a screw hole.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
It should be noted that in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1 to 3, a die-cutting knife roll comprises a knife roll body 1, wherein the knife roll body 1 is provided with a rotating axis, a mounting shaft hole 11 extending along the rotating axis direction is formed on the knife roll body 1, and at least one set of die-cutting edges 2 with a preset shape is arranged on the outer side wall of the knife roll body 1; the die cutting edges 2 in one group comprise two die cutting edges 2 which are connected with each other, and the two die cutting edges 2 in the same group are symmetrically arranged relative to a straight line where the two die cutting edges are connected; each die cutting edge 2 comprises a plurality of sections of cutting edge lines connected end to end, a material suction area is formed in each cutting edge line, a plurality of exhaust holes 4 are formed in the knife roll body, and the exhaust holes 4 are distributed in the material suction area and/or outside the material suction area.
The utility model provides a die-cutting rotor designs two die-cutting sword 2 on the die-cutting sword of same group, and two die-cutting sword 2 compare in traditional single-blade design (the junction of two die-cutting sword is a whole), make the die-cutting sword junction be difficult to the corner breakup, guaranteed die-cutting sword 2's life. This application designs exhaust hole 4 on rotor main part 1, and at die-cutting rotor during operation, the product is pushed down to the cross cutting sword, and the gaseous department of exhaust of can following between cross cutting sword and the product is discharged, has guaranteed the effect of cross cutting sword pushing down the product and the effect of product laminating, has guaranteed the effect that the product was cut to the cross cutting sword, makes a plurality of cross cutting sword can cut out the product that the shape is unanimous.
The present application is described below by way of different examples in connection with the production of diapers from tissue paper.
Example 1
When the cutter roller is used, the cutter roller body is installed on a rotating shaft of a die cutting machine through the installation shaft hole 11 of the cutter roller body 1, and the cutter roller body 1 is fixed on the rotating shaft through the fixing piece. In this application, the knife roll main body 1 and the die cutting blade 2 are made of hard alloy, and the rotating shaft is a steel rotating shaft. In order to guarantee the connection effect between rotor body and the pivot, this application is equipped with a plurality of screws on rotor body 1, screws into the bolt through the screw on, and bolt and pivot extrusion guarantee that rotor body 1 and pivot are connected closely, prevent that the rotor body from producing the displacement and leading to the tissue that surely goes out not conform to the requirement.
In some further embodiments, the design direction of the screw hole is designed along the axial direction of the mounting shaft hole, so that the fixing effect of the knife roller main body can be better ensured.
In this embodiment, two sets of die cutting edges 2 having a predetermined shape are provided on the outer side wall of the cutter roller main body, and each set of die cutting edges includes two die cutting edges 2. The joint of the two die cutting edges 2 in the same group does not share one cutting edge line, but adopts the design of two independent cutting edge lines, so that the die cutting edges can be prevented from collapsing due to stress concentration during working, and the service life of the die cutting edges is ensured.
The two die cutting edges 2 of the same group are symmetrically arranged about a line where the two die cutting edges are connected, the line being spatially perpendicular to the axis of rotation. The symmetrical design can ensure that the die cutting edge can cut the tissue paper with the consistent shape. Two sets of four die cutting edges can improve the efficiency of cutting the tissue paper.
In this application, every mould cutting edge 2 includes the end to end cutting edge line of multistage, and the material region is inhaled to the formation one in the cutting edge line, and every is inhaled and is expected the regional a plurality of exhaust holes 4 that set up of material. During operation, the die cutting edge is attached to the tissue paper to press and cut the tissue paper, and after the die cutting edge and the tissue paper are attached to each other, the exhaust holes can exhaust air between the die cutting edge and the tissue paper, so that the pressing and attaching effects of the die cutting edge and the tissue paper are guaranteed, the quality of the press-cut tissue paper is further guaranteed, and the phenomenon that the shape is affected by deviation or wrinkles of the tissue paper caused by air is prevented.
In this application, the venting holes 4 may also be provided outside the suction area, between two adjacent die cutting edges.
In some embodiments, the shape of the exhaust hole is also limited, and the exhaust hole is in a circular shape, a square shape or other shapes, so that the exhaust effect can be ensured.
In some embodiments, the die cutting edge 2 and the die cutter roller 1 are integrally formed, and this design can bear higher stress and ensure the service life of the die cutting edge 2 compared with the design of welding the die cutting edge on the die cutter roller.
Example 2
This embodiment is further defined as follows in addition to the contents of embodiment 1.
The outer side wall of the knife roller body 1 is also provided with a pressing platform 3, and the pressing platform is arranged on a straight line where the connection part of the two die cutting edges in the same group is located. The pressing table 3 is designed on the knife roll main body 1, and when the cutting roll main body works, the pressing table at the connecting position of the die cutting edge can firstly press a product, so that the effect of the die cutting edge on cutting the tissue paper is ensured, the tissue paper is prevented from rolling up, and the consistency of the shape of the cut tissue paper is ensured. Through the design of pressing the platform, need not artifical pressure tissue, can improve cross cutting efficiency and guarantee staff's safety.
Furthermore, two pressing platforms 3 are arranged on the straight line, wherein one pressing platform 3 is positioned in the horizontal plane where the top end of the die cutting edge is positioned, and the other pressing platform 3 is positioned in the horizontal plane where the bottom end of the die cutting edge is positioned. That is, the two press tables 3 are located at heights at both ends of the die cutting edge, respectively. Further, the depth of the platen 3 is the same as the depth of the die cutting edge. Can guarantee the effect of compressing tightly to tissue paper, can guarantee the press of die-cutting sword again and cut the effect.
Example 3
Based on a plurality of embodiments of die cutter roller, this application still provides a cross cutting machine, and this cross cutting machine includes the die cutter roller in above-mentioned embodiment.
It will be appreciated by those skilled in the art that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the utility model are intended to be embraced therein.
Claims (10)
1. The die-cutting knife roll is characterized by comprising a knife roll body, wherein the knife roll body is provided with a rotating axis, a mounting shaft hole extending along the rotating axis direction is formed in the knife roll body, and at least one group of die-cutting edges in a preset shape are arranged on the outer side wall of the knife roll body;
the group of die cutting edges comprises two die cutting edges which are connected with each other, and the two die cutting edges in the same group are symmetrically arranged relative to a straight line where the two die cutting edges are connected;
each cutting knife edge comprises a plurality of sections of cutting edge lines which are connected end to end, a material suction area is formed in each cutting edge line, a plurality of exhaust holes are formed in the knife roll main body, and the exhaust holes are distributed in the material suction area and/or outside the material suction area.
2. The die cutter cylinder according to claim 1, wherein the vent holes are circular and/or square in shape.
3. The die cutter cylinder of claim 1, wherein said die cutting edge and said cylinder body are integrally formed.
4. The die-cutting knife roll according to claim 1, characterized in that the outer side wall of the knife roll body is further provided with a pressing platform, and the pressing platform is arranged on a straight line where two die-cutting edges of the same group are connected.
5. The die cutter roll according to claim 4 wherein there are two platens on said line, one of said platens being in a horizontal plane with a top end of said die cutting edge and the other of said platens being in a horizontal plane with a bottom end of said die cutting edge.
6. The die cutter roll of claim 4 wherein the depth of the platen is the same as the depth of the die cutting edge.
7. The die-cutting cutter roll according to claim 4, wherein the die-cutting edge, the cutter roll body and the pressing table are all made of cemented carbide.
8. The die cutter cylinder of claim 1, wherein said cylinder body further defines threaded bores extending through said cylinder body.
9. The die cutter roll of claim 8 wherein there are at least two of said threaded holes, and the line connecting two of said threaded holes is oriented in the same direction as said axis of rotation.
10. A die cutting machine comprising the die cutting blade roll of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121561840.7U CN215319170U (en) | 2021-07-09 | 2021-07-09 | Die-cutting knife roller and die-cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121561840.7U CN215319170U (en) | 2021-07-09 | 2021-07-09 | Die-cutting knife roller and die-cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215319170U true CN215319170U (en) | 2021-12-28 |
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ID=79566063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121561840.7U Active CN215319170U (en) | 2021-07-09 | 2021-07-09 | Die-cutting knife roller and die-cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215319170U (en) |
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2021
- 2021-07-09 CN CN202121561840.7U patent/CN215319170U/en active Active
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