CN111115335A - Film cutting device - Google Patents
Film cutting device Download PDFInfo
- Publication number
- CN111115335A CN111115335A CN201911301489.5A CN201911301489A CN111115335A CN 111115335 A CN111115335 A CN 111115335A CN 201911301489 A CN201911301489 A CN 201911301489A CN 111115335 A CN111115335 A CN 111115335A
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- CN
- China
- Prior art keywords
- cutting knife
- roller
- power unit
- hinged
- cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
- B65H35/06—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
- B26D1/085—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type for thin material, e.g. for sheets, strips or the like
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nonmetal Cutting Devices (AREA)
Abstract
The invention discloses a film cutting device, and belongs to the technical field of film reeling and cutting. The film cutting device comprises a cutting knife, a cutting knife lifting mechanism, a cutting knife lifting power unit and a friction roller. The cutting knife is arranged in the friction roller. When the cutting knife lifting power unit extends out, the cutting knife lifting power unit drives the cutting knife to extend out of the outer periphery of the roller through the cutting knife lifting mechanism to cut the film; after cutting, the cutting knife lifting power unit contracts, and the cutting knife lifting power unit drives the cutting knife to retract into the peripheral surface of the roller through the cutting knife lifting mechanism; the invention has the beneficial effects that: the cutting knife is arranged inside the friction roller, can extend out of the surface of the friction roller and can retract into the friction roller. Simple structure, flexible and reliable action and convenient control.
Description
Technical Field
The invention belongs to the technical field of film coiling and cutting, and particularly relates to a film cutting device.
Background
The cutting device of the existing film coiling machine is basically arranged outside a friction roller, when a film is cut, a cutting knife needs to rotate to a certain position around the friction roller, the film wrapped on the friction roller is separated from the friction roller, and then the film is cut in a suspension mode, so that the friction roller is prevented from being damaged by the cutting knife. The structure is complex, the action is relatively complex, and the control is also troublesome.
Disclosure of Invention
Aiming at the problems of complex structure, complex action and troublesome control caused by the fact that the cutting device is arranged outside the friction roller in the prior art, the invention provides the film cutting device which is simple in structure, flexible and reliable in action and sharp in control.
The technical scheme adopted by the invention for realizing the purpose is as follows:
the utility model provides a device is decided to film, device is decided includes decides sword 1, decides sword elevating system 2, decides sword lift power pack 3 and friction roller 4. The cutting knife 1 is arranged inside the friction roller 4. Friction roller 4 include roller 401 and coaxial fixed mounting at the outside roller 402 of roller 401, be equipped with axial opening on the roller 402 periphery for provide the radial displacement space of deciding sword 1, and restrict the displacement of other directions.
The cutting knife lifting mechanism 2 comprises a connecting rod A201 and a plurality of connecting rods B202, any end part of the connecting rod B202 is movably hinged on the connecting rod A201, and the rotating planes of the connecting rods B202 are parallel to each other; the free end of one part of the connecting rod B202 is movably hinged on the roller shaft 401, the free end of the other part of the connecting rod B202 is movably hinged on the cutting knife 1, the cutting edge direction of the cutting knife 1 is parallel to the axis of the roller shaft 401, and the cutting knife 1 is positioned in the opening of the roller 402. Decide sword lift power unit 3's output fixed mounting at any tip of connecting rod A201, connecting rod A201 is coaxial with deciding sword lift power unit 3, decides sword lift power unit 3's installation end activity and articulates at roller 402 internal surface, decides sword lift power unit 3 and is used for promoting connecting rod A201 and removes. Meanwhile, the hinge hole movably hinged with the cutting knife lifting power unit 3 on the roller 402 is a radial long hole, and radial relative displacement is allowed to be generated between the roller 402 and the cutting knife lifting power unit 3.
Further, the number of the connecting rods B202 hinged between the connecting rod A201 and the roller shaft 401 is more than or equal to two; the number of the connecting rods B202 hinged between the connecting rod A201 and the cutting knife 1 is more than or equal to two.
Further, the connecting rods B202 hinged between the connecting rod A201 and the roller shafts 401 are parallel to each other; the connecting rod B202 hinged between the connecting rod A201 and the cutting knife 1 is parallel to each other; when cutting blade 1 is in the fully extended state, all links B202 are parallel to each other, and in other states, links B202 hinged to cutting blade 1 are not parallel to links B202 hinged to roller 401.
Further, the cutting knife lifting power unit 3 of the cutting knife lifting power unit 3 is a cylinder or a linear motor.
The working principle of the invention is as follows: when the cutting knife lifting power unit 3 extends out, the cutting knife lifting power unit 3 drives the cutting edge of the cutting knife 1 to extend out of the outer peripheral surface 403 of the roller through the cutting knife lifting mechanism 2 to cut the film; after cutting, the cutting knife lifting power unit 3 contracts, and the cutting knife lifting power unit 3 drives the cutting edge of the cutting knife 1 to retract into the outer peripheral surface 403 of the roller through the cutting knife lifting mechanism 2;
the invention has the beneficial effects that: the cutting knife is arranged inside the friction roller, can extend out of the surface of the friction roller and can retract into the friction roller. Simple structure, flexible and reliable action and convenient control.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a side view of the structure of the present invention;
fig. 3 is a partial enlarged view at a-a.
In the figure: 1. cutting off a knife; 2. a cutting knife lifting mechanism; 3. a cutting knife lifting power unit; 4. a rubbing roller; 201. is hinged with the connecting rod A; 202. a connecting rod B; 401. a roll shaft; 402. a roller; 403. the peripheral surface of the roller.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the present invention is further described below with reference to the accompanying drawings in combination with the embodiments so that those skilled in the art can implement the present invention by referring to the description, and the scope of the present invention is not limited to the embodiments. It is to be understood that the embodiments described below are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1 and 2, the film cutting device includes a cutting blade 1, a cutting blade lifting mechanism 2, a cutting blade lifting power unit 3, and a rubbing roller 4. The cutting knife 1 is arranged inside the friction roller 4. Friction roller 4 include roller 401 and coaxial fixed mounting at the outside roller 402 of roller 401, be equipped with axial opening on the roller 402 periphery for provide the radial displacement space of deciding sword 1, and restrict the displacement of other directions.
The cutting knife lifting mechanism 2 comprises four connecting rods A201 and four connecting rods B202, any end part of each connecting rod B202 is movably hinged on the connecting rod A201, and the rotating planes of the connecting rods B202 are parallel to each other; the free end of one part of the connecting rod B202 is movably hinged on the roller shaft 401, the free end of the other part of the connecting rod B202 is movably hinged on the cutting knife 1, the cutting edge direction of the cutting knife 1 is parallel to the axis of the roller shaft 401, and the cutting knife 1 is positioned in the opening of the roller 402. Decide sword lift power unit 3's output fixed mounting at any tip of connecting rod A201, connecting rod A201 is coaxial with deciding sword lift power unit 3, decides sword lift power unit 3's installation end activity and articulates at roller 402 internal surface, decides sword lift power unit 3 and is used for promoting connecting rod A201 and removes. Meanwhile, the hinge hole movably hinged with the cutting knife lifting power unit 3 on the roller 402 is a radial long hole, and radial relative displacement is allowed to be generated between the roller 402 and the cutting knife lifting power unit 3.
Further, the number of the connecting rods B202 hinged between the connecting rod a201 and the roller shaft 401 is two; the number of links B202 hinged between the link a201 and the guillotine cutter 1 is two.
Further, the connecting rods B202 hinged between the connecting rod A201 and the roller shafts 401 are parallel to each other; the connecting rod B202 hinged between the connecting rod A201 and the cutting knife 1 is parallel to each other; when cutting blade 1 is in the fully extended state, all links B202 are parallel to each other, and in other states, links B202 hinged to cutting blade 1 are not parallel to links B202 hinged to roller 401.
Further, the cutting knife lifting power unit 3 of the cutting knife lifting power unit 3 is an air cylinder.
The working principle of the invention is as follows: when the cutting knife lifting power unit 3 extends out, the cutting knife lifting power unit 3 drives the cutting edge of the cutting knife 1 to extend out of the outer peripheral surface 403 of the roller through the cutting knife lifting mechanism 2 to cut the film; after cutting, the cutting knife lifting power unit 3 contracts, and the cutting knife lifting power unit 3 drives the cutting knife 1 to retract into the outer peripheral surface 403 of the roller through the cutting knife lifting mechanism 2; as shown in fig. 3, the side "i" is a schematic view when the cutting blade 1 is extended, and the side "ii" is a schematic view when the cutting edge of the cutting blade 1 is retracted.
Example 2:
the utility model provides a device is decided to film, device is decided includes decides sword 1, decides sword elevating system 2, decides sword lift power pack 3 and friction roller 4. Friction roller 4 include roller 401 and coaxial fixed mounting at the outside roller 402 of roller 401, be equipped with axial opening on the roller 402 periphery for provide the radial displacement space of deciding sword 1, and restrict the displacement of other directions.
The cutting knife lifting mechanism 2 comprises six connecting rods A201 and six connecting rods B202, any end part of each connecting rod B202 is movably hinged on the connecting rod A201, and the rotating planes of the connecting rods B202 are parallel to each other; the free end of one part of the connecting rod B202 is movably hinged on the roller shaft 401, the free end of the other part of the connecting rod B202 is movably hinged on the cutting knife 1, the cutting edge direction of the cutting knife 1 is parallel to the axis of the roller shaft 401, and the cutting knife 1 is positioned in the opening of the roller 402. Decide sword lift power unit 3's output fixed mounting at any tip of connecting rod A201, connecting rod A201 is coaxial with deciding sword lift power unit 3, decides sword lift power unit 3's installation end activity and articulates at roller 402 internal surface, decides sword lift power unit 3 and is used for promoting connecting rod A201 and removes. Meanwhile, the hinge hole movably hinged with the cutting knife lifting power unit 3 on the roller 402 is a radial long hole, and radial relative displacement is allowed to be generated between the roller 402 and the cutting knife lifting power unit 3.
Further, the number of the connecting rods B202 hinged between the connecting rod a201 and the roller shaft 401 is three; the number of links B202 hinged between the link a201 and the guillotine cutter 1 is three.
Further, the connecting rods B202 hinged between the connecting rod A201 and the roller shafts 401 are parallel to each other; the connecting rod B202 hinged between the connecting rod A201 and the cutting knife 1 is parallel to each other; when cutting blade 1 is in the fully extended state, all links B202 are parallel to each other, and in other states, links B202 hinged to cutting blade 1 are not parallel to links B202 hinged to roller 401.
Further, the cutting blade lifting power unit 3 of the cutting blade lifting power unit 3 is a linear motor.
The working principle of the invention is as follows: when the cutting knife lifting power unit 3 extends out, the cutting knife lifting power unit 3 drives the cutting edge of the cutting knife 1 to extend out of the outer peripheral surface 403 of the roller through the cutting knife lifting mechanism 2 to cut the film; after cutting, the cutting knife lifting power unit 3 contracts, and the cutting knife lifting power unit 3 drives the cutting knife 1 to retract into the outer peripheral surface 403 of the roller through the cutting knife lifting mechanism 2; as shown in fig. 3, the side "i" is a schematic view when the cutting blade 1 is extended, and the side "ii" is a schematic view when the cutting edge of the cutting blade 1 is retracted.
The cutting knife is arranged in the friction roller, and can extend out of the surface of the friction roller and retract into the friction roller. Simple structure, flexible and reliable action and convenient control.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The film cutting device is characterized by comprising a cutting knife (1), a cutting knife lifting mechanism (2), a cutting knife lifting power unit (3) and a friction roller (4); the cutting knife (1) is arranged inside the friction roller (4); the friction roller (4) comprises a roller shaft (401) and a roller (402) which is coaxially and fixedly installed outside the roller shaft (401), wherein an axial opening is formed in the circumferential surface of the roller (402) and used for providing a radial displacement space of the cutting knife (1) and limiting displacement in other directions;
the cutting knife lifting mechanism (2) comprises a connecting rod A (201) and a connecting rod B (202), any end part of the connecting rod B (202) is movably hinged on the connecting rod A (201), and the rotating planes of all the connecting rods B (202) are parallel to each other; the free end of one part of the connecting rod B (202) is movably hinged on the roller shaft (401), the free end of the other part of the connecting rod B (202) is movably hinged on the cutting knife (1), the cutting edge direction of the cutting knife (1) is parallel to the axis of the roller shaft (401), and the cutting knife (1) is positioned in the opening of the roller (402);
the output end of the cutting knife lifting power unit (3) is fixedly arranged at any end part of the connecting rod A (201), the connecting rod A (201) is coaxial with the cutting knife lifting power unit (3), the mounting end of the cutting knife lifting power unit (3) is movably hinged to the inner surface of the roller (402), and the cutting knife lifting power unit (3) is used for pushing the connecting rod A (201) to move; meanwhile, a hinge hole which is movably hinged with the cutting knife lifting power unit (3) on the roller (402) is a radial long hole, and radial relative displacement is allowed to be generated between the roller (402) and the cutting knife lifting power unit (3).
2. A film cutting apparatus according to claim 1, wherein said cutting blade elevating power unit (3) of said cutting blade elevating power unit (3) is a cylinder or a linear motor.
3. A film cutting device according to claim 1 or 2, wherein the number of the link B (202) hinged between the link a (201) and the roller (401) is two or more; the number of the connecting rods B (202) hinged between the connecting rod A (201) and the cutting knife (1) is more than or equal to two.
4. A film cutting device according to claim 1 or 2, wherein the links B (202) hinged between the link a (201) and the roller (401) are parallel to each other; the connecting rods B (202) hinged between the connecting rod A (201) and the cutting knife (1) are parallel to each other; when the cutting knife (1) is in a fully extended state, all the connecting rods B (202) are parallel to each other, and when the cutting knife (1) is in other states, the connecting rods B (202) hinged on the cutting knife (1) are not parallel to the connecting rods B (202) hinged on the roller shaft (401).
5. A film cutting device according to claim 3, wherein the links B (202) hinged between the link a (201) and the roller (401) are parallel to each other; the connecting rods B (202) hinged between the connecting rod A (201) and the cutting knife (1) are parallel to each other; when the cutting knife (1) is in a fully extended state, all the connecting rods B (202) are parallel to each other, and when the cutting knife (1) is in other states, the connecting rods B (202) hinged on the cutting knife (1) are not parallel to the connecting rods B (202) hinged on the roller shaft (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911301489.5A CN111115335A (en) | 2019-12-17 | 2019-12-17 | Film cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911301489.5A CN111115335A (en) | 2019-12-17 | 2019-12-17 | Film cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111115335A true CN111115335A (en) | 2020-05-08 |
Family
ID=70499295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911301489.5A Pending CN111115335A (en) | 2019-12-17 | 2019-12-17 | Film cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111115335A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941517A (en) * | 2020-07-02 | 2020-11-17 | 五河县维佳复合材料有限公司 | Isometric cutting device for glass fiber production |
-
2019
- 2019-12-17 CN CN201911301489.5A patent/CN111115335A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941517A (en) * | 2020-07-02 | 2020-11-17 | 五河县维佳复合材料有限公司 | Isometric cutting device for glass fiber production |
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