CN210500445U

CN210500445U - Cutting knife and lithography apparatus

Info

Publication number: CN210500445U
Application number: CN201921033581.3U
Authority: CN
Inventors: 张毅雄
Original assignee: Dongguan Huiyue Technology Co Ltd
Current assignee: Dongguan Huiyue Technology Co Ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-05-12
Anticipated expiration: 2029-07-03

Abstract

A cutting knife and printing equipment, the cutting knife and the advancing direction of the material to be cut form a certain included angle, and the cutting knife comprises an upper knife and a lower knife, wherein the upper knife comprises an upper knife holder and an upper knife body; the upper cutter holder is a round roller, the upper cutter body is spirally arranged on the upper cutter holder, the spiral angle is equal to the included angle between the cutter and the advancing direction of the material to be cut, the upper cutter holder drives the upper cutter body to rotate during cutting, and the upper cutter body and the lower cutter body are gradually contacted from one end to cut the material to be cut; the utility model provides a cutting knife and lithography apparatus can cut into rectangle or square with waiting in the conveying motion, and the cutting effect is good, and the noise is little.

Description

Cutting knife and lithography apparatus

Technical Field

The utility model relates to a lithography apparatus field, in particular to cutting knife and lithography apparatus.

Background

In the field of continuous web (film) cutting, an upper cutter and a lower cutter are mainly adopted at present (the upper cutter moves up and down in a reciprocating manner and is close to the lower cutter to cut off), and a rotary cutter roller type (the upper cutter roller is provided with a cutter strip, the lower cutter seat is used for fixing the cutter strip, and the upper cutter roller rotates to generate certain micro extrusion with the fixed lower cutter to cut off). The two main working modes have the defects of large abrasion, large noise, short service life of a cutter, poor cutting quality and the like.

Disclosure of Invention

Therefore, there is a need for a cutting knife and a printing apparatus, which can cut the material to be cut in the conveying motion into a rectangular or square shape, and has the advantages of good cutting effect, low noise and long service life of the cutting knife.

The utility model provides a cutting knife, which forms a certain included angle with the advancing direction of a material to be cut and comprises an upper knife and a lower knife which are correspondingly arranged, wherein the upper knife comprises an upper knife holder and an upper knife body, the upper knife body is positioned on the upper knife holder, the lower knife comprises a lower knife body and a lower knife holder, and the lower knife body is fixed on the lower knife holder; the upper cutter holder is a round roller, the upper cutter body is spirally arranged on the upper cutter holder, the included angle between the spiral lifting angle and the cutting knife and the included angle between the advancing direction of the material to be cut are equal in size, the upper cutter holder drives the upper cutter body to rotate during cutting, and the upper cutter body and the lower cutter body start to gradually contact from one end to realize cutting of the material to be cut.

Preferably, the upper cutter body and the upper cutter holder are integrally formed, or; the upper cutter body and the upper cutter holder are detachably arranged.

Preferably, the lower cutter body is arranged in a rectangular parallelepiped shape with a square end face.

Preferably, the diameter of the upper cutter seat is gradually increased, and the length of the side of the end face of the lower cutter body is gradually increased.

Preferably, the upper cutter body is provided in plurality.

Preferably, the upper cutter body is arranged in a curved surface, and the bending direction is opposite to the rotating direction of the upper cutter body.

Preferably, a printing apparatus comprises a cutting blade according to any one of the above.

Preferably, the printing equipment comprises a conveying motor, the conveying motor conveys materials to be cut, and the conveying motor drives the upper cutter to synchronously rotate.

Preferably, the printing equipment comprises a conveying motor and a cutter motor, the conveying motor conveys a material to be cut, and the cutter motor drives an upper cutter to rotate, so that the linear speed of the upper cutter body is consistent with that of the material to be cut.

The utility model provides a spiral sword has following beneficial effect for traditional cutting knife:

the upper cutter body is spirally arranged, so that when the cutter is used for cutting, the cutter can gradually enter into the cutter from one side like scissors, the cutter is stable in cutting and good in effect, the service life of the cutter is long, and the noise is low during cutting. The included angle between the cutting knife and the material to be cut is consistent with the size of the helix angle, and the cut cutting line is a straight line vertical to the moving direction of the material to be cut, so that the material to be cut can be cut into a square or square shape.

Drawings

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic working diagram of a cutting knife according to a preferred embodiment of the present invention;

FIG. 2 is an overall structure view of the cutting blade according to the preferred embodiment of the present invention;

fig. 3 is a front view of the cutting knife according to the preferred embodiment of the present invention;

FIG. 4 is a top view of the cutting knife of the preferred embodiment of the present invention;

FIG. 5 is a top view of the cutting knife according to the preferred embodiment of the present invention;

FIG. 6 is a lower cutter structure diagram of the cutting knife of the preferred embodiment of the present invention

Detailed Description

The technical solution of the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.

Referring to fig. 1-6, the utility model provides a cutting knife, this cutting knife can install on the printing machine, can realize cutting or cutting off web, membrane etc. the cutting knife is whole and be certain contained angle with waiting to cut material direction of delivery during the installation, wait to cut material 3 printing and accomplish the back, feeding mechanism carries this cutting knife department with it, the cutting knife can cut into rectangle or square with waiting to cut material in the conveying motion, then waits to cut the material and is carried ejection of compact department again. The utility model provides a cutting knife includes upper slitter 1 and lower sword 2, upper slitter 1 includes blade holder 11 and upper slitter body 12, upper slitter body 12 is located blade holder 11, and upper slitter body 12 lower part is provided with blade 7, lower sword 2 includes lower cutter body 22 and lower cutter holder 21, lower cutter body 22 is fixed in down on the blade holder 21, is provided with blade 7 on the lower cutter body 22, lower cutter body 22 with upper slitter body 12 corresponds the setting, and the cutting of cutting the material is realized treating in the cooperation of upper slitter body 12 and lower cutter body 22 during the use. The upper cutter base 11 is a round roller, the upper cutter body 12 is located on the upper cutter base 11, the upper cutter base 11 drives the upper cutter body 12 to rotate together when cutting a material to be cut, and the upper cutter body 12 is spirally arranged on the upper cutter base 11, so that when the upper cutter body 12 rotates along with the upper cutter base 11, the upper cutter body 12 and the lower cutter body 22 gradually enter a cutting state from one end, the cutting is similar to that of a shear, the cutting noise is small, the effect is good, and then the upper cutter body 12 and the lower cutter body 22 are gradually separated along with the rotation of the upper cutter base 11, and the cutting of the material to be cut is completed. Because the material 3 to be cut is in the process of conveying and advancing in the cutting process, the upper cutter body 12 is spirally arranged on the upper cutter seat 11, the whole cutter is in a certain included angle with the advancing direction of the material 3 to be cut, and the included angle is consistent with the helix angle of the upper cutter body 12 on the upper cutter seat 11 in size, namely the upper cutter body 12 is perpendicular to the advancing direction of the material 3 to be cut, so that the cut material to be cut can be square or rectangular as long as the rotating linear speed of the upper cutter body 12 is consistent with the advancing speed of the material 3 to be cut.

Referring to fig. 3 to 5, in a preferred embodiment, the upper cutter body 12 is integrally formed with the upper cutter holder 11, or the upper cutter body 12 is detachably disposed with the upper cutter holder 11. The upper cutter body 12 and the upper cutter holder 11 are integrally formed, so that the upper cutter body 12 can be prevented from sliding on the upper cutter holder, incomplete cutting or cutting position deviation is effectively avoided, the processing cost is relatively high, and the upper cutter holder 11 needs to be replaced together when the upper cutter body 12 is damaged. The upper knife body 12 is detachably connected with the upper knife holder 11, the upper knife body 12 can be fixed on the upper knife holder 11 through bolts or clamping and the like, the upper knife body 12 can be conveniently replaced through the detachable arrangement, and the position of the upper knife body 12 can be easily adjusted as required. The upper cutter body 12 can be set to be one or more, one cutter can be completed only by rotating the upper cutter holder 11 for one circle, the cut finished product is long, the plurality of upper cutter bodies 12 are set to complete multiple cutting in one circle by rotating the upper cutter holder 11, the cut finished product is short, and the upper cutter bodies 12 with different quantities can be selected and set according to the diameter of the upper cutter holder 11 and the conveying speed so as to meet the requirement of cutting length.

Referring to fig. 3-6, in the preferred embodiment, the upper tool body 12 is configured as a curved surface that curves in a direction opposite to the direction of rotation of the upper tool holder 11 during use. The arrangement can reduce the impact force when the upper knife 1 and the lower knife 2 shear, thereby reducing noise and making the shearing smooth. The lower knife 2 is a cuboid-shaped setting with a square end face, the cutting edges 7 of the lower knife 2 are arranged on one or more sides of the cuboid, the cutting edges 7 are arranged on a plurality of sides, when one cutting edge 7 is blunt, the cutting edges 7 on different sides can be replaced for use, and the lower knife 2 does not need to be immediately sharpened or replaced. Further, the diameter of the upper tool apron 11 is gradually increased, the lower tool body 22 is gradually increased in end face side length, the diameter of the upper tool apron 11 is gradually increased, and the linear speed of each point on the upper tool apron 11 is consistent and the linear speed of the position with a large diameter is also large, so that when the conveying speed of the material to be cut is high, the linear speed of the material to be cut can be guaranteed to be consistent with the linear speed of the material to be cut even if the upper tool apron does not need to rotate too fast, and the material to be cut can be cut into a square or a rectangle.

Referring to fig. 1-2, in a preferred embodiment, a printing apparatus includes the above-mentioned cutting knife, and further includes a conveying motor, a nip roller 5, a feeding roller 4 and a conveying belt 6, the nip roller 5 and the feeding roller 4 cooperate to convey and tension a material 3 to be cut, the conveying belt 6 is used to convey the material to be cut, the conveying motor drives the feeding roller 4 to rotate, and controls the upper knife body 12 to rotate at the same linear speed, so that the material to be cut in conveying can be cut into a square or rectangular shape. Or, lithography apparatus includes conveyor motor and cutter motor, still includes control system, conveyor motor conveys and waits to cut material 3, the cutter motor drives sword 1 and rotates, and control system control cutter motor and conveyor motor rotate, make go up cutter body 12 with wait to cut the material linear velocity unanimous, accomplish under the effect of last cutter body 12 and lower cutter body 22 and cut into square or square with waiting to cut material 3.

The utility model provides a cutting knife, its upper slitter is the heliciform setting on the blade holder, when cutting like this, will cut like the scissors, from starting getting into the cutting gradually on one side, cuts steadily and effectual, so the cutter is longe-lived, and the noise is little during the cutting. The included angle between the cutting knife and the material to be cut is consistent with the size of the helix angle, and the cut cutting line is a straight line vertical to the moving direction of the material to be cut, so that the material to be cut can be cut into a square or square shape.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A cutting knife is characterized by comprising an upper knife and a lower knife which are arranged correspondingly, wherein the upper knife comprises an upper knife holder and an upper knife body; the upper cutter seat is a round roller, the upper cutter body is spirally arranged on the upper cutter seat, and the spiral lift angle is equal to the included angle between the cutting knife and the advancing direction of the material to be cut.

2. The cutting burr of claim 1, wherein the upper blade body and the upper blade seat are integrally formed, or;

the upper cutter body and the upper cutter holder are detachably arranged.

3. The cutting burr of claim 1, wherein the lower burr body is provided in a rectangular parallelepiped shape having a square end surface.

4. The cutting burr of claim 3, wherein the upper seat is of a generally increasing diameter and the lower body is of a generally increasing length.

5. The cutting burr of claim 1, wherein the upper blade body is provided in plurality.

6. The cutting burr of claim 1, wherein the upper blade body is curved and is curved in a direction opposite to the direction of rotation.

7. Printing device, characterized in that it comprises a cutting blade according to any one of claims 1 to 6.

8. The printing apparatus of claim 7, including a feed motor that delivers material to be cut, said feed motor driving said upper blade in synchronous rotation.

9. The printing apparatus of claim 7, including a feed motor for delivering material to be cut and a cutter motor for rotating an upper blade to bring the upper blade body into line speed alignment with the material to be cut.