CN217123401U - Die-cutting bottom roller, die-cutting assembly and automatic die-cutting machine - Google Patents
Die-cutting bottom roller, die-cutting assembly and automatic die-cutting machine Download PDFInfo
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- CN217123401U CN217123401U CN202122619468.7U CN202122619468U CN217123401U CN 217123401 U CN217123401 U CN 217123401U CN 202122619468 U CN202122619468 U CN 202122619468U CN 217123401 U CN217123401 U CN 217123401U
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Abstract
The utility model discloses a cross cutting bottom roll belongs to cross cutting machine field, the rolling comprises a roll body, the roll body surface is opened has and is kept away to cut recess and suction hole, can realize that a die-cutting knife roller joins in marriage the inferior die cutting of two bottom rolls or a plurality of bottom rolls, and the waste material is clear away when can avoiding membrane material one shot forming and is not thoroughly leaded to the problem that the yield is not high. The utility model also discloses an automatic die-cutting machine, including fixing cross cutting bottom roll and the rotor on the knife rest, the cross cutting bottom roll includes first bottom roll and second bottom roll, the rotor is located between first bottom roll and the second bottom roll, be equipped with outline cutting edge and interior outline cutting edge on the rotor, first bottom roll is equipped with the outline that corresponds with rotor outline cutting edge position on the surface and keeps away and cut the recess. The utility model discloses an automatic cross cutting machine is through optimizing cross cutting bottom roll design, adopting two bottom roll quire roller structures of compact smoothness, and work efficiency can reach more than 1.5 times of equipment of the same type, and it is showing to clear away useless material effect, and the yield can reach one hundred percent, the utility model discloses can apply to the processing of similar membrane materials such as facial mask, eye membrane.
Description
Technical Field
The utility model relates to a bottom roll especially relates to a die cutting bottom roll that is used for membrane materials machine-shaping such as facial mask, the utility model discloses still relate to a cross cutting subassembly and an automatic die cutting machine belongs to cross cutting machinery.
Background
In the processing of the film materials with the outer contour and the inner contour, such as the facial mask, the eye mask and the like, an automatic die cutting machine with a die cutting assembly is generally used, the traditional die cutting assembly is mainly composed of a knife roller and a bottom roller, in order to separate the cut waste materials from the film materials, the waste materials are removed by arranging an air blowing or air suction device, installing a scraper and the like, but because the design of the die cutting workpiece such as the bottom roller and the like and the air blowing or air suction mode and the like have unreasonable places, the waste materials still cannot be completely removed from the formed film materials, or the processing efficiency is reduced for removing the waste materials, such as adding a manual sorting or adding the knife roller and the like.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the prior art, the utility model discloses a first aim at provides a cross cutting bottom roll.
A second object of the present invention is to provide a die cutting assembly.
A third object of the present invention is to provide an automatic die cutting machine.
The first purpose of the utility model is realized through the following technical scheme:
the die-cutting bottom roller comprises a roller body, wherein a cutting avoiding groove is formed in the surface of the roller body.
The shape of the cut-avoiding groove is the shape of the outer contour of a preset forming film material.
The shape of the cut-avoiding groove is the shape of all or part of the inner contour of a preset forming film.
And the roller body is provided with an air suction hole.
The air suction holes are positioned in the position within the range of the inner outline of the formed membrane material.
The air suction holes are positioned outside the range of the inner contour of the formed film material and within the range of the outer contour of the formed film material.
The suction holes may communicate with an external suction device.
An air passage is formed in the roller body, one end of the air passage is communicated with the outside of the die-cutting bottom roller, and the other end of the air passage is communicated with the air suction hole.
The second purpose of the utility model is realized by the following technical scheme:
a die cutting assembly comprises two or more die cutting bottom rollers and a knife roller, wherein the die cutting bottom rollers are matched with the knife roller and surround the periphery of the knife roller, outer contour cutting edges and inner contour cutting edges are arranged on the knife roller, and cutting avoiding grooves are formed in the surface of a roller body of the die cutting bottom roller.
And the roller body of the die-cutting bottom roller is provided with air suction holes, and the air suction holes can be communicated with an external suction device.
An air passage is formed in the die cutting bottom roller body, one end of the air passage is communicated with the outside of the die cutting bottom roller, and the other end of the air passage is communicated with the air suction hole.
The die cutting bottom roller is divided into a first bottom roller and a second bottom roller, the knife roller is positioned between the first bottom roller and the second bottom roller and is respectively matched with the knife roller, the knife roller is provided with an outer contour cutting edge and an inner contour cutting edge, and the surface of the roller body of the first bottom roller is provided with an outer contour cutting avoiding groove corresponding to the outer contour cutting edge of the knife roller.
And the surface of the roller body of the second bottom roller is provided with an inner contour avoiding and cutting groove corresponding to the position of the blade of the inner contour of the knife roller.
The depth of the cutting avoiding groove is larger than the thickness of a film material to be cut, and the width of the cutting avoiding groove is larger than the width of the knife edge of the knife roller corresponding to the cutting avoiding groove.
And the roller body of the first bottom roller is provided with an air suction hole, the air suction hole is positioned at a position corresponding to the cutting range of the inner contour cutting edge of the knife roller, and the air suction hole can be communicated with an external suction device.
And the roller body of the second bottom roller is provided with air suction holes, the positions of the air suction holes correspond to the range enclosed between the outer contour cutting edges and the inner contour cutting edges of the knife roller, and the air suction holes can be communicated with an external suction device.
Air passages are respectively formed in the roller bodies of the first bottom roller and the second bottom roller, one end of each air passage is communicated with the outside of each bottom roller, and the other end of each air passage is communicated with each air suction hole.
The third objective of the present invention is achieved by the following technical solutions.
The utility model provides an automatic die cutting machine, it includes knife rest, cross cutting assembly installs on the knife rest, cross cutting assembly includes two cross cutting bottom rollers and a rotor, cross cutting bottom roller is first bottom roller and second bottom roller respectively, the rotor is located between first bottom roller and the second bottom roller, be equipped with outline cutting edge and interior outline cutting edge on the rotor, the roll body surface of first bottom roller is equipped with keeps away with the outline that rotor outline cutting edge position corresponds and cuts the recess. When the knife roll and the bottom roll start to rotate relatively, and the film passes through the space between the first bottom roll and the knife roll, the outer contour knife edge is suspended at the position of the outer contour groove, so that the outer contour of the film cannot be cut through, and the next procedure can be reserved. The knife roller inner contour cutting edges (such as eye, nose and mouth positions) are contacted with the smooth surface of the roller body of the first bottom roller, and the inner contour parts (such as eye, nose and mouth positions) are cut through.
The automatic die cutting machine further comprises a suction device, the first bottom roller is provided with a suction hole, the position of the suction hole corresponds to the position of the waste material of the inner contour film material cut by the inner contour blade of the knife roller, and the suction hole is communicated with the suction device. When the inner contour film material begins to be cut, the suction hole is communicated with the suction device, the waste material of the cut inner contour film material is adsorbed on the surface of the first bottom roller and rotates along with the first bottom roller, the waste material of the inner contour film material leaves the cutter roller, and after the waste material of the inner contour film material is separated from the film material, the suction hole on the first bottom roller is closed to a channel of the suction device, the suction force is cut off, and the waste material of the inner contour film material falls from the first bottom roller or is scraped from a scraper on a die cutting machine. Because the suction holes are formed in the first bottom roller, the waste can be prevented from being attached to the knife roller, and the waste is ensured to be separated from the film material.
The inner contour cutting avoiding groove corresponding to the inner contour cutting edge of the knife roll is formed in the surface of the second bottom roll, and when a film passes between the second bottom roll and the knife roll, the inner contour cutting edge is suspended at the position of the inner contour cutting avoiding groove, so that the risk that new waste materials are possibly generated due to repeated cutting of the inner contour can be avoided.
And after the formed film material leaves the knife roll, the suction force on the second bottom roll is disconnected, the formed film material enters a finished product conveying belt, and the waste edge material is rolled off by a waste edge rolling machine.
Air passages are respectively formed in the roller bodies of the first bottom roller and the second bottom roller, one end of each air passage is communicated with the outside of each bottom roller, and the other end of each air passage is communicated with each air suction hole.
The first bottom roller and the second bottom roller rotate synchronously and oppositely with the knife roller respectively.
The first bottom roller, the knife roller and the second bottom roller are connected through a gear set, the gear set is composed of three gears with the same specification, and a gear is fixedly mounted on a shaft handle at the same end of the first bottom roller, the knife roller and the second bottom roller respectively.
Wherein the gear arranged on the knife roll is a driving wheel, and the gears arranged on the first bottom roll and the second bottom roll are driven wheels respectively.
The outer contour cutting edge on the knife roller is a facial mask contour cutting edge (face-shaped cutting edge) or an eye mask contour cutting edge, and the inner contour cutting edge is one or the combination of two or three of an eye-shaped cutting edge, a mouth-shaped cutting edge and a nose-shaped cutting edge.
The outer contour cut-avoiding groove on the first bottom roller is a mask contour cut-avoiding groove or an eye mask contour cut-avoiding groove.
The inner contour cutting avoiding groove on the second bottom roller is one or the combination of two or three of an eye-shaped cutting avoiding groove, a mouth-shaped cutting avoiding groove and a nose-shaped cutting avoiding groove.
The automatic die-cutting machine is also provided with a finished product conveying belt and a finished product belt outlet roller, the finished product belt outlet roller is adjacent to the discharge side of the second bottom roller and is positioned at the front end of the finished product conveying belt, and a roller body of the finished product belt outlet roller is pressed on the finished product conveying belt and can take out a finished product film material on the second bottom roller onto the finished product conveying belt.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the utility model discloses a cross cutting bottom roll sets up according to the design needs on the roll body and keeps away and cuts recess and suction hole, not only can realize the lot die cutting during the application, still can make waste material or finished product membrane material that the cutting came out adsorb on the roll body surface, and not be stained with the sword roller, ensure waste material and membrane material separation, and can not be brought into next cutting process, can be general in most membrane material lot cutting field.
(2) The utility model discloses a cross cutting subassembly can make up two or more cross cutting bottom rollers and a rotor as required according to the design to establish on the roll body surface of each cross cutting bottom roller according to the design needs and avoid cutting the recess, and open the suction opening that can communicate with outside suction device on the roll body of cross cutting bottom roller. The automatic die-cutting machine is provided with a mechanical part which can cut the inner contour and the outer contour of a film material in times and ensure zero waste on the finished film material, and the problem of low yield caused by incomplete waste removal in one-step forming of the film material in the prior art is solved.
(3) The utility model discloses an automatic die cutting machine through at first bottom roll surface setting with the unsettled outline recess of rotor external contour cutting edge cooperation, only cut off interior outline position when guaranteeing the membrane material between first bottom roll and rotor, and the outline is not cut off, and the shaping is just cut off to semi-formed membrane material its outline when between second bottom roll and rotor. Therefore, the cutting can be continuously realized for two times by only arranging one knife roll, the production efficiency is improved, the separation of the waste materials from the film materials before forming is ensured, and the yield is improved.
(4) Through set up at second bottom roller surface with the unsettled interior profile recess of profile cutting edge cooperation in the rotor, only cut off outline position when guaranteeing semi-manufactured goods membrane to pass through between second bottom roller and the rotor, avoid the interior profile of semi-manufactured goods membrane to be cut repeatedly and probably produce new waste material.
(5) The suction holes are formed in the positions, corresponding to the film materials cut by the blades of the inner contour of the knife roller, of the surface of the first bottom roller, so that the cut waste materials are ensured to be adsorbed on the surface of the first bottom roller and separated from the film materials and not brought into the next working procedure.
(6) The air suction holes are formed in the positions, corresponding to the film materials, on the surface of the second bottom roller, so that the formed film materials are adsorbed on the surface of the second bottom roller and separated from the knife roller after the outline of the film materials is cut off.
(7) The utility model discloses an automatic die cutting machine has abandoned traditional structures such as two rotor rolls of a bottom roll or two rotor rolls of two bottom rolls, through the cross cutting bottom roll design of optimization, the structure of the two bottom rolls rotor that adopts compactness smoothness, and work efficiency can reach more than 1.5 times of equipment of the same type, and it is showing to clear away the useless material effect, and the yield can reach one hundred percent, the utility model discloses can apply to the processing of similar membrane materials such as facial mask, eye mask.
Drawings
FIG. 1 is a schematic view of the die-cut bottom roll structure of examples 1 and 3;
FIG. 2 is a rear view of FIG. 1;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is a perspective view of FIG. 1;
FIG. 5 is a schematic view of the die-cut bottom roll structure of examples 2 and 3;
FIG. 6 is a rear view of FIG. 1;
FIG. 7 is a sectional view taken along line B-B of FIG. 2;
FIG. 8 is a perspective view of FIG. 1;
FIG. 9 is a schematic view of the die cut assembly of example 3;
FIG. 10 is a schematic view of the knife roll configuration of FIG. 9;
FIG. 11 is a bottom view of the knife roll of FIG. 10;
FIG. 12 is a top view of the knife roll of FIG. 10;
fig. 13 is a schematic structural view of an automatic die cutting machine for facial masks according to embodiment 4;
FIG. 14 is a schematic view showing the operation of the automatic die cutting machine according to embodiment 4;
FIG. 15 is a schematic view showing a process of die-cutting the film material into a finished mask of example 4;
fig. 16 is a schematic diagram of the process of die cutting the film material of example 5 into an eye mask finished product.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1, fig. 2, fig. 3, fig. 4, the utility model discloses a die-cutting bottom roller's for facial mask embodiment, this die-cutting bottom roller 1 includes roll body 11, 11 surfaces of roll body are opened the outline that has corresponding facial mask outline and are kept away from cutting recess 12, still opened suction opening 13 on the roll body 11, suction opening 13 is located the position of facial mask eye, mouth respectively, it has air flue 14 to open in the roll body 11, air flue 14 one end and the outside intercommunication of die-cutting bottom roller, the other end and suction opening 13 intercommunication.
Example 2
As shown in fig. 5, fig. 6, fig. 7, and fig. 8, the second embodiment of the die-cutting bottom roller for facial mask of the present invention is that the die-cutting bottom roller 1 includes a roller body 11, the surface of the roller body 11 is provided with an inner contour avoiding and cutting groove 15 corresponding to the inner contour of the facial mask, the inner contour avoiding and cutting groove 15 includes an eye contour avoiding and cutting groove, a mouth contour avoiding and cutting groove and a nose contour avoiding and cutting groove, the roller body 11 is provided with an air suction hole 13, the air suction hole 13 is located at the central line position of the facial mask (or at other film material positions of the facial mask), and the air suction hole 13 can be communicated with an external suction device during use.
Example 3
Fig. 9-12 show one of the embodiments of a die cutting assembly of the present invention, including two die cutting bottom rollers 1 and a knife roller 2, two die cutting bottom rollers 1 are respectively a first bottom roller a and a second bottom roller B, first bottom roller a and second bottom roller B surround around knife roller 2 periphery and cooperate with knife roller 2, be equipped with outline cutting edge 21 and interior outline cutting edge 22 on knife roller 2, the roll body surface of first bottom roller a is equipped with the outline that corresponds with knife roller 2 outline cutting edge 21 position and keeps away from cutting recess 12.
The surface of the roller body of the second bottom roller B is provided with an inner contour avoiding and cutting groove 15 corresponding to the position of the inner contour cutting edge 22 of the knife roller. The depth of the outer contour avoiding and cutting groove 12 and the inner contour avoiding and cutting groove 15 is larger than the thickness of the film material, and the width of the outer contour avoiding and cutting groove 12 and the inner contour avoiding and cutting groove 15 is larger than the width of the knife roll blade corresponding to the outer contour avoiding and cutting groove.
The first bottom roller A is provided with air suction holes 13 on the roller body, the air suction holes 13 are positioned at the positions corresponding to the cutting range of the inner contour cutting edges 22 of the knife roller, and the air suction holes 13 can be communicated with an external suction device.
The second bottom roller B is provided with air suction holes 13 on the roller body, the positions of the air suction holes 13 correspond to the range enclosed between the knife roller outer contour blade 21 and the inner contour blade 22, and the air suction holes 13 can be communicated with an external suction device.
Example 4
Fig. 13-15 show one of the embodiments of an automatic die cutting machine of the present invention, it includes a die cutting assembly and a suction device 5 installed on the tool post 3, the die cutting assembly includes a first bottom roller a, a second bottom roller B and a knife roller 2, the knife roller 2 is located between the first bottom roller a and the second bottom roller B, the first bottom roller a, the knife roller 2, the second bottom roller B are connected by a gear set 9, the gear set 9 is composed of three gears of the same specification, and a gear is respectively and fixedly installed on the shaft handle of the same end of the first bottom roller a, the knife roller 2 and the second bottom roller B. Wherein the gear arranged on the knife roll 2 is a driving wheel, and the gears arranged on the first bottom roll A and the second bottom roll B are driven wheels respectively. During operation, the first bottom roller A and the second bottom roller B respectively rotate in opposite directions synchronously with the knife roller 2.
The knife roller 2 is provided with an outer contour blade 21 and an inner contour blade 22, and the surface of the roller body of the first bottom roller A is provided with an outer contour cut avoiding groove 12 corresponding to the position of the outer contour blade 21 of the knife roller. When the knife roll 2, the first bottom roll A and the second bottom roll B start to rotate relatively and the film material 4 passes between the first bottom roll A and the knife roll 2, the outer contour knife edge 21 is suspended at the position of the outer contour avoiding and cutting groove 12 because the depth of the outer contour avoiding and cutting groove 12 is greater than the thickness of the film material and the width is greater than the width of the outer contour knife edge 21 corresponding to the outer contour avoiding and cutting groove 12, so that the outer contour of the film material 4 cannot be cut through, and the next working procedure can be reserved. The knife roll inner profile blades 22 (e.g., eye, nose, mouth positions) contact the smooth surfaces of the roll body of the first bottom roll a to cut through the inner profile portions (e.g., eye, nose, mouth positions) of the film 4. The first bottom roller A is provided with air suction holes 13, the positions of the air suction holes 13 correspond to the positions of the inner contour film waste 41 cut by the knife roller inner contour cutting edges 22, and the air suction holes 13 can be communicated with the suction device 5. When the knife roll inner contour cutting edge 22 starts to contact with the smooth surface of the first bottom roll A, the air suction hole 13 is communicated with the suction device 5, the cut inner contour film waste 41 is adsorbed on the surface of the first bottom roll A and rotates along with the first bottom roll A, after the inner contour film waste 41 leaves the knife roll 2 and the film 4, the air suction hole 13 on the first bottom roll A is closed with a channel of the suction device 5, the suction force is cut off, and the inner contour film waste 41 falls from the first bottom roll A or is scraped from the scraper 6 on the die cutting machine. Since the suction holes 13 are formed in the first bottom roll a, the inner-profile film waste 41 is prevented from sticking to the knife roll 2, and the separation of the inner-profile film waste 41 from the film 4 is ensured.
The surface of the second bottom roller B is provided with an inner contour avoiding and cutting groove 15 corresponding to the inner contour blade 22 of the knife roller, when the film 4 passes between the second bottom roller B and the knife roller 2, because the depth of the inner contour avoiding and cutting groove 15 is greater than the thickness of the film and the width is greater than the width of the inner contour blade 22 corresponding to the inner contour avoiding and cutting groove, the inner contour blade 21 is suspended at the position of the inner contour avoiding and cutting groove 15, and the risk that new waste materials are possibly generated due to repeated cutting of the inner contour of the film 4 can be avoided.
The surface of the second bottom roller B is provided with an air suction hole 13 corresponding to the position of the film material 4, the air suction hole 13 is communicated with the suction device 5 to ensure that the formed film material 43 is adsorbed on the surface of the second bottom roller B after the outline of the film material 4 is cut off and rotates along with the second bottom roller B without being taken away by the knife roller 2, after the formed film material 43 leaves the knife roller 2, the suction force on the second bottom roller B is cut off, the formed film material 43 enters the finished product conveying belt 7, and the scrap edge material 42 is rolled off by the rolling machine 8.
The outer contour cutting edge 21 on the knife roller 2 is a facial mask contour cutting edge (face-shaped cutting edge) or an eye mask contour cutting edge, and the inner contour cutting edge 22 is one or a combination of two or three of an eye-shaped cutting edge, a mouth-shaped cutting edge and a nose-shaped cutting edge.
The outer contour cutting avoiding groove 12 on the first bottom roller A is a mask contour cutting avoiding groove or an eye mask contour cutting avoiding groove.
The inner contour cutting avoiding groove 12 on the second bottom roller B is one or the combination of two or three of an eye-shaped cutting avoiding groove, a mouth-shaped cutting avoiding groove and a nose-shaped cutting avoiding groove.
The automatic die cutting machine is further provided with a finished product belt outlet roller 10, the finished product belt outlet roller 10 is adjacent to the discharging side of the second bottom roller B and is located at the front end of the finished product conveying belt 7, a roller body of the finished product belt outlet roller is pressed on the finished product conveying belt 7, the coiler 8 winds the scrap edge material 42, and meanwhile, the finished product film material 43 on the second bottom roller B can be taken out onto the finished product conveying belt 7.
Example 5
FIG. 16 shows the process steps of using the automatic die-cutting machine of the present invention to die-cut the film into the eye mask finished product:
the first process step: because be equipped with the eye mask outline on the first bottom roll and keep away cutting recess and suction hole, the rotor only surely goes out the eye on the membrane material when membrane material passes through first bottom roll and rotor, and the eye membrane material waste material that is surely gone out adsorbs on first bottom roll, and after the waste material changes from rotor and membrane material, suction disconnection, the waste material dropped or changes to the scraper department of automatic die cutting machine from first bottom roll and is scraped.
And a second step: when the film material with the cut eye holes passes between the knife roller and the second bottom roller, the outer contour of the eye film of the film material is cut through, because the second bottom roller is provided with the inner contour cutting avoiding groove and the air suction hole corresponding to the eye part of the eye film, the film material at the eye part cannot be repeatedly cut through in the process to possibly generate new waste materials, and the cut formed eye film is adsorbed on the second bottom roller.
And a third step of: when the forming eye mask is rotated away from the knife roller, the suction is cut off, and the eye mask enters the conveying belt, so that the finished eye mask product is finished.
The utility model is suitable for a various products that have outline and interior profile of cross cutting, for example, eye mask, facial mask, face mask, eye-shade and so on. The present invention is not limited to the above embodiments, and can be implemented as long as the embodiments described in the present specification and claims and their equivalents are possible.
Claims (26)
1. The utility model provides a cross cutting bottom roll, it includes the roll body, its characterized in that: the surface of the roller body is provided with a cut avoiding groove, and the roller body is provided with a suction hole.
2. The die cut bottom roll of claim 1, wherein: the shape of the cut-avoiding groove is the shape of the outer contour of a preset forming film material.
3. The die cut bottom roll of claim 1, wherein: the shape of the cut-avoiding groove is the shape of all or part of the inner contour of a preset forming film.
4. A die cut bottom roll according to claim 2 or 3, wherein: the air suction holes are positioned in the inner contour range of the formed film material and can be communicated with an external suction device.
5. A die cut bottom roll according to claim 2 or 3, wherein: the air suction holes are positioned outside the range of the inner contour of the formed film material and within the range of the outer contour of the formed film material, and the air suction holes can be communicated with an external suction device.
6. The die cut bottom roll of claim 4, wherein: an air passage is formed in the roller body, one end of the air passage is communicated with the outside of the die-cutting bottom roller, and the other end of the air passage is communicated with the air suction hole.
7. The die cut bottom roll of claim 5, wherein: an air passage is formed in the roller body, one end of the air passage is communicated with the outside of the die-cutting bottom roller, and the other end of the air passage is communicated with the air suction hole.
8. A die cut assembly characterized by: the die-cutting bottom roller comprises two or more die-cutting bottom rollers and a knife roller, wherein the die-cutting bottom rollers are matched with the knife roller and surround the knife roller, outer contour blades and inner contour blades are arranged on the knife roller, cutting avoiding grooves are arranged on the surface of a roller body of each die-cutting bottom roller, and air suction holes are formed in the roller body of each die-cutting bottom roller and can be communicated with an external suction device.
9. The die cut assembly of claim 8, wherein: an air passage is formed in the roller body of the die-cutting bottom roller, one end of the air passage is communicated with the outside of the die-cutting bottom roller, and the other end of the air passage is communicated with the air suction hole.
10. A die cut assembly according to claim 8 or 9, wherein: the die cutting bottom roller is divided into a first bottom roller and a second bottom roller, the knife roller is positioned between the first bottom roller and the second bottom roller and is respectively matched with the knife roller, the knife roller is provided with an outer contour cutting edge and an inner contour cutting edge, and the surface of the roller body of the first bottom roller is provided with an outer contour cutting avoiding groove corresponding to the outer contour cutting edge of the knife roller.
11. The die cut assembly of claim 10, wherein: and the surface of the roller body of the second bottom roller is provided with an inner contour avoiding and cutting groove corresponding to the position of the cutting edge of the inner contour of the knife roller.
12. The die cut assembly of claim 11, wherein: and the roller body of the first bottom roller is provided with air suction holes, the air suction holes are positioned in the positions corresponding to the cutting ranges of the inner contour cutting edges of the knife roller, and the air suction holes can be communicated with an external suction device.
13. The die cut assembly of claim 12, wherein: and the roller body of the second bottom roller is provided with air suction holes, the positions of the air suction holes correspond to the range enclosed between the outer contour cutting edges and the inner contour cutting edges of the knife roller, and the air suction holes can be communicated with an external suction device.
14. The die cut assembly of claim 13, wherein: air passages are respectively formed in the roller bodies of the first bottom roller and the second bottom roller, one end of each air passage is communicated with the outside of each bottom roller, and the other end of each air passage is communicated with each air suction hole.
15. The die cut assembly of claim 14, wherein: the depth of the cutting avoiding groove is larger than the thickness of a film material to be cut, and the width of the cutting avoiding groove is larger than the width of the knife edge of the knife roller corresponding to the cutting avoiding groove.
16. The utility model provides an automatic die cutting machine, it includes knife rest, cross cutting assembly installs on the knife rest its characterized in that: the die cutting assembly comprises two die cutting bottom rollers and a knife roller, the die cutting bottom rollers are respectively a first bottom roller and a second bottom roller, the knife roller is positioned between the first bottom roller and the second bottom roller, the knife roller is provided with an outer contour cutting edge and an inner contour cutting edge, and the surface of a roller body of the first bottom roller is provided with an outer contour cutting avoiding groove corresponding to the outer contour cutting edge of the knife roller; and the roller body of the first bottom roller is provided with an air suction hole, the position of the air suction hole corresponds to the position of the waste material of the inner contour film material cut by the cutting edge of the inner contour of the knife roller, and the air suction hole is communicated with a suction device.
17. The automatic die cutting machine of claim 16, wherein: and the surface of the roller body of the second bottom roller is provided with an inner contour avoiding and cutting groove corresponding to the inner contour cutting edge of the knife roller.
18. The automatic die cutting machine of claim 17, wherein: and the roller body of the second bottom roller is provided with an air suction hole, the position of the air suction hole corresponds to the range enclosed between the outer contour cutting edge and the inner contour cutting edge of the knife roller, and the air suction hole is communicated with a suction device.
19. The automatic die cutting machine of claim 18, wherein: air passages are respectively formed in the roller bodies of the first bottom roller and the second bottom roller, one end of each air passage is communicated with the outside of each bottom roller, and the other end of each air passage is communicated with each air suction hole.
20. An automatic die-cutting machine according to claim 18 or 19, characterized in that: the first bottom roller and the second bottom roller rotate synchronously and oppositely with the knife roller respectively.
21. The automatic die cutting machine of claim 20, wherein: the first bottom roller, the knife roller and the second bottom roller are connected through a gear set, the gear set is composed of three gears with the same specification, and a gear is fixedly mounted on a shaft handle at the same end of the first bottom roller, the knife roller and the second bottom roller respectively.
22. The automatic die cutting machine of claim 21, wherein: wherein the gear arranged on the knife roll is a driving wheel, and the gears arranged on the first bottom roll and the second bottom roll are driven wheels respectively.
23. The automatic die cutting machine of claim 16, wherein: the outer contour cutting edge on the knife roller is a facial mask contour cutting edge or an eye mask contour cutting edge, and the inner contour cutting edge is one or a combination of two or three of an eye-shaped cutting edge, a mouth-shaped cutting edge and a nose-shaped cutting edge.
24. The automatic die cutting machine of claim 16, wherein: the outer contour cut-avoiding groove on the first bottom roller is a mask contour cut-avoiding groove or an eye mask contour cut-avoiding groove.
25. The automatic die cutting machine of claim 17, wherein: the inner contour cutting avoiding groove on the second bottom roller is one or the combination of two or three of an eye-shaped cutting avoiding groove, a mouth-shaped cutting avoiding groove and a nose-shaped cutting avoiding groove.
26. The automatic die cutting machine of claim 22, wherein: the automatic die-cutting machine is also provided with a finished product conveying belt and a finished product belt outlet roller, the finished product belt outlet roller is adjacent to the discharging side of the second bottom roller and is positioned at the front end of the finished product conveying belt, and a roller body of the finished product belt outlet roller is pressed on the finished product conveying belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122619468.7U CN217123401U (en) | 2021-10-28 | 2021-10-28 | Die-cutting bottom roller, die-cutting assembly and automatic die-cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122619468.7U CN217123401U (en) | 2021-10-28 | 2021-10-28 | Die-cutting bottom roller, die-cutting assembly and automatic die-cutting machine |
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| CN217123401U true CN217123401U (en) | 2022-08-05 |
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| CN202122619468.7U Active CN217123401U (en) | 2021-10-28 | 2021-10-28 | Die-cutting bottom roller, die-cutting assembly and automatic die-cutting machine |
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| Country | Link |
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| CN (1) | CN217123401U (en) |
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2021
- 2021-10-28 CN CN202122619468.7U patent/CN217123401U/en active Active
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