CN215397472U - High-precision laser minimally invasive functional film and preparation equipment thereof - Google Patents
High-precision laser minimally invasive functional film and preparation equipment thereof Download PDFInfo
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- CN215397472U CN215397472U CN202120350572.8U CN202120350572U CN215397472U CN 215397472 U CN215397472 U CN 215397472U CN 202120350572 U CN202120350572 U CN 202120350572U CN 215397472 U CN215397472 U CN 215397472U
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- film
- gold
- indentation
- functional film
- minimally invasive
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- 238000002360 preparation method Methods 0.000 title abstract description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000010931 gold Substances 0.000 claims abstract description 45
- 229910052737 gold Inorganic materials 0.000 claims abstract description 45
- 238000007373 indentation Methods 0.000 claims abstract description 41
- 239000012528 membrane Substances 0.000 claims abstract description 16
- 239000000919 ceramic Substances 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 abstract description 9
- 241000208125 Nicotiana Species 0.000 abstract description 5
- 235000002637 Nicotiana tabacum Nutrition 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000002087 whitening effect Effects 0.000 abstract description 4
- 238000004383 yellowing Methods 0.000 abstract description 4
- 239000002344 surface layer Substances 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 235000019504 cigarettes Nutrition 0.000 description 23
- 238000005507 spraying Methods 0.000 description 16
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 14
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 14
- 239000010410 layer Substances 0.000 description 13
- 238000004806 packaging method and process Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 238000003851 corona treatment Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000003698 laser cutting Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 239000002981 blocking agent Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229920006280 packaging film Polymers 0.000 description 3
- 239000012785 packaging film Substances 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 2
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229920001897 terpolymer Polymers 0.000 description 2
- 241000218033 Hibiscus Species 0.000 description 1
- 235000005206 Hibiscus Nutrition 0.000 description 1
- 235000007185 Hibiscus lunariifolius Nutrition 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005629 polypropylene homopolymer Polymers 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Abstract
The utility model provides a high-precision laser minimally invasive functional film and a preparation device thereof. The high-precision laser minimally invasive functional film comprises a film body; the surface of the membrane body is provided with a gold stay wire; the membrane body is provided with an indentation, the indentation is located on one side or two sides of the gold stay wire, and one end of the indentation extends to the gold stay wire. The functional film device comprises the following components connected in sequence: unwinding device, spout a yard recognition device, laser instrument. On the premise of ensuring the sealing performance of the film package, the utility model uses laser to make a cutting mark on the surface layer of the film, but the cutting mark is not cut completely, and besides the cutting mark, the utility model does not cause other appearance defects of the film, such as whitening, yellowing, curling and the like, which are generated by heat. The utility model thoroughly solves the problem that the film is not easy to fall off after the gold pull wire is torn off in the tobacco special-shaped package, on one hand, the cost is not greatly increased, and simultaneously, the original product design concept is ensured without causing visual influence.
Description
Technical Field
The utility model relates to the technical field of tobacco, in particular to a high-precision laser minimally invasive functional film and preparation equipment thereof.
Background
The BOPP cigarette film is developed for more than forty years, the packaging mode is different day by day, the cigarette taking port of the traditional cigarette, especially the small bag is arranged at the top of the small box, and the packaging film at the cigarette taking port can be directly torn off after a common gold pull wire is torn off. When the cigarettes with special-shaped packages, such as cigarettes opened from the side, are usually pulled open by a gold pull wire, if the direction is not well controlled, the cigarette case with large-area film wrapping cannot be opened.
The tobacco industry has two main methods for solving the problem at present, one is to use parallel double golden pull lines, such as the piloting cigarette of the Hibiscus rise of tobacco in south of lake, the other is to manually use a cutter to make a cut (cut through) on a film, and then use a self-adhesive label to stick the cut to ensure the air tightness of the package. The double-gold stay wire has the defects of high cost (equipment needs to be modified, the production efficiency is low, and the material consumption is high), and if the direction of pulling the gold stay wire is not well controlled, the situation that a local packaging film is not easy to fall off still exists, so that the problem of opening the film package cannot be thoroughly solved; the method of manually making the incision and pasting the self-adhesive label has high cost, low production efficiency and difficult quality control.
SUMMERY OF THE UTILITY MODEL
In view of this, the technical problem to be solved by the utility model is to provide a high-precision laser minimally invasive functional film and a preparation device thereof, and the prepared BOPP cigarette film is easy to tear and is especially suitable for packaging special-shaped cigarette cases.
In order to achieve the aim, the utility model provides a high-precision laser minimally invasive functional film, which comprises a film body;
the surface of the membrane body is provided with a gold stay wire;
the membrane body is provided with an indentation, the indentation is located on one side or two sides of the gold stay wire, and one end of the indentation extends to the gold stay wire.
The material of the film body is not particularly limited in the present invention, and any packaging film known to those skilled in the art may be used.
Preferably, the film body is a BOPP film.
Preferably, the film body is a BOPP three-layer co-extrusion polypropylene film and is divided into an upper layer, a middle layer and a lower layer.
The source of the BOPP film is not particularly limited in the present invention, and the BOPP film may be generally commercially available or may be prepared by itself.
The upper layer is preferably blended and extruded from the following raw materials: ethylene-propylene-butadiene terpolymer or ethylene-propylene bipolymer heat sealing functional master batch, silicone macromolecules and an anti-blocking agent.
In the present invention, the content of each raw material may be adjusted by itself according to the properties of the film, and the present invention is not particularly limited thereto.
The present invention is not particularly limited to the specific types of the silicone-based polymer and the anti-blocking agent, and the silicone-based polymer and the anti-blocking agent known to those skilled in the art may be used.
The middle layer is preferably prepared by blending and extruding the following raw materials: homo-polypropylene, petroleum resin and an antistatic agent.
In the present invention, the content of each raw material may be adjusted by itself according to the properties of the film, and the present invention is not particularly limited thereto.
In the present invention, specific types of the petroleum resin and the antistatic agent are not particularly limited, and those known to those skilled in the art may be used.
The lower layer is preferably co-extruded from the following raw materials: ethylene-propylene-butadiene terpolymer or ethylene-propylene bipolymer heat sealing functional master batch and antiblocking agent.
In the present invention, the content of each raw material may be adjusted by itself according to the properties of the film, and the present invention is not particularly limited thereto.
The present invention is not particularly limited to the specific type of the above-mentioned antiblocking agent, and may be antiblocking agents known to those skilled in the art.
In the present invention, the thickness of the film body is preferably 18 to 30 μm, and more preferably 22 μm.
In the utility model, the surface of the membrane body is provided with a gold stay wire.
The material of the gold wire is not particularly limited in the present invention, and may be a gold wire known to those skilled in the art.
The position of the gold pulling wire is not limited in the utility model, and the membrane body is divided into a left part and a right part.
Preferably, when the film body is packaged on the surface of a product, the gold pull wire is arranged around the circumference of the product.
The arrangement mode of the gold pulling wire is not particularly limited, and the arrangement mode includes but is not limited to hot pressing and other modes.
In the utility model, the membrane body is provided with an indentation, the indentation is positioned on one side or two sides of the gold stay wire, and one end of the indentation extends to the gold stay wire.
Namely, the membrane body is divided into a left part and a right part by the gold stay wire, the left part and/or the right part of the membrane body is/are provided with an indentation, and one end of the indentation extends to intersect with the gold stay wire.
In the utility model, the indentation means that a trace is formed on the film body and the film body is not punched through so as to ensure the tightness of the film.
Preferably, the indentations are linear indentations.
Preferably, the indentation is arranged perpendicular to the gold bracing wire.
Preferably, two indentations are symmetrically arranged on two sides of the gold pulling wire.
Preferably, two indentations which are perpendicular to the gold pulling wire are symmetrically arranged on two sides of the gold pulling wire.
The direction of the indentation is vertical to the gold pull wire and distributed on two sides, so that the whole film can be torn when the gold pull wire is torn off.
Preferably, the indentations are laser-cut indentations.
Preferably, the length of the indentation is 8-20 mm.
Preferably, the depth of the indentation is 30-80% of the thickness of the film body.
In the utility model, the indentation does not cut through the film, so that the air tightness after packaging is ensured, and the quality of the cigarette is not influenced.
The functional film of the present invention may be a sheet film (single sheet is manually wrapped) or a roll film (automatic wrapping on a cigarette wrapping machine), and the present invention is not particularly limited thereto.
When the film is a single film, the schematic diagram of the functional film is shown in fig. 1, and the functional film comprises a film body 1, a gold drawing wire 2 and an indentation 3.
When the film is a roll film, the schematic diagram of the functional film is shown in fig. 2, and the functional film comprises a roll film body 2-1, a gold drawing wire 2-2, an indentation 2-3, a roll core 2-4 and a positioning block 2-5.
The utility model provides equipment for preparing the functional film, which comprises the following components in sequential connection: unwinding device, spout a yard recognition device, laser instrument.
Wherein, unwinding device is used for placing the membrane body.
The code spraying device is used for spraying codes on the designed position of the film on line, and the code spraying is aimed at providing positioning for subsequent packaging on a cigarette packaging machine.
The code spraying recognition device is used for recognizing code spraying and providing signals for next laser operation.
And after receiving the signal feedback of the code spraying recognition device, the laser performs indentation cutting operation on the film.
According to the utility model, the bottom of the laser cutting opening, which is in contact with the film, is made of a smooth white or gray ceramic plate or ceramic roller, so that the damage to the film appearance caused by instantaneous high-temperature cutting of laser can be better protected, and the phenomena of yellowing, whitening, fogging and the like of the film edge can be avoided.
The BOPP film for the cigarette is a film with high transparency, the haze index of the BOPP film is only 1%, laser with certain intensity is applied to the film, if the bottom material contacted with the film is not selected well, quality defects such as yellowing, whitening, fogging and the like on the edge of the film can be caused to the appearance of the film, and the utility model adopts a smooth ceramic plate or a ceramic roller as the bottom material contacted with the film at the laser operation position, and particularly has better effect by using white ceramic or gray ceramic; on the other hand, the thickness of the film for the cigarette is generally 18-22 mu m, the depth of a cut mark on the film caused by laser is generally 8-15 mu m, and the barrier property, especially the water resistance property of the cut position is not more than 10g/m224hr (test conditions 38 ℃ (100 ° f), 90% RH), which places high demands on both the setting of the intensity of the laser and the stability of the film thickness.
When the film is a rolled film, the equipment further comprises a rolling device.
The winding device is used for winding the punched film in order.
A schematic of the apparatus is shown in fig. 3, which includes: unwinding device 1, spout a yard device 2, spout a yard recognition device 3, laser instrument 4, coiling mechanism 5.
The preparation method of the functional film comprises the following steps:
A) placing the film body on a unreeling shaft;
B) spraying a positioning code on the membrane body;
C) identifying a positioning code and feeding back a signal to a laser;
D) and (5) laser cutting.
In the present invention, the size of the film body placed on the unwinding roll is preferably 22 μm × 250 mm.
When the functional film is a roll film, the preparation method specifically comprises the following steps:
A) placing the film body on a unreeling shaft;
B) spraying a positioning code on the membrane body;
C) identifying a positioning code and feeding back a signal to a laser;
D) cutting a line by laser;
E) and (6) rolling.
When the functional film is a sheet film, the preparation method further comprises slicing, and the slicing may be after step a), after step B), after step C) or after step D).
The production speed of the functional film is 20-100 m/min, and the frequency of laser cutting is 15-70%.
In addition, in the utility model, the film can be optionally subjected to surface treatment, and whether corona treatment is needed to enhance the surface tension of the film or not can be selected according to the strength of the adhesive force of the ink used by the positioning block, so that the adhesive force of the ink is enhanced.
In the utility model, the gold pull wire can be arranged before the film is unreeled, or before the step B).
The arrangement mode of the gold pulling wire is not particularly limited, and the gold pulling wire comprises processes such as hot pressing and the like.
The functional film provided by the utility model can be applied to the packaging of cigarette cases, and is particularly suitable for the packaging of special-shaped cigarette cases.
Compared with the prior art, the utility model provides a high-precision laser minimally invasive functional film, which comprises a film body; the surface of the membrane body is provided with a gold stay wire; the membrane body is provided with an indentation, the indentation is located on one side or two sides of the gold stay wire, and one end of the indentation extends to the gold stay wire.
On the premise of ensuring the sealing performance of the film package, the utility model uses laser to cause the cutting mark on the surface layer of the film, but the cutting mark is not cut completely, and simultaneously, the utility model does not cause other appearance defects of the film, such as whitening, yellowing, curling and the like, which are generated by heat, except the cutting mark. The utility model thoroughly solves the problem that the film is not easy to fall off after the gold pull wire is torn off in the tobacco special-shaped package, on one hand, the cost is not greatly increased, and simultaneously, the original product design concept is ensured without causing visual influence.
Drawings
FIG. 1 is a schematic structural diagram of a functional film (sheet film) provided by the present invention;
FIG. 2 is a schematic structural diagram of a functional film (roll film) provided by the present invention;
fig. 3 is a schematic diagram of the apparatus provided by the present invention.
Detailed Description
In order to further illustrate the present invention, the following describes the high precision laser minimally invasive functional film provided by the present invention in detail with reference to the examples.
Example 1
The film used by the high-precision laser minimally invasive functional film in the embodiment is BOPP and is divided into an upper layer structure, a middle layer structure and a lower layer structure, the total thickness is 18 microns, the laser frequency is set at 20%, the tangential depth is 8 microns, and the tangential length is 10mm (10 mm on each side of a gold stay wire);
the manufacturing method of the high-precision laser minimally invasive BOPP cigarette film comprises the following steps:
(1) film roll unreeling device
Placing the BOPP cigarette film which is cut according to the required width at the unreeling position of the equipment;
(2) surface treatment
Performing corona treatment in a code spraying area of the film, wherein if the surface tension of the film is more than 37 dynes, the adhesion to the printing ink is sufficient, and the corona treatment can be considered not to be used;
(3) gold drawing wire
Pressing a gold pull wire at a position designated by the film, wherein the step is preferably implemented on a cigarette packaging machine of a client;
(4) online code spraying
And in the process of unwinding the film roll, spraying positioning codes on the film at a specified position according to required color, size and distance.
(5) Code-spraying identification
And the positioning code is identified through equipment, and the signal is fed back to the laser.
(6) Laser cutting line
After receiving the feedback signal, the laser performs a tangent action at the designated position as required.
(7) Rolling-up device
And flattening the processed film, and finally winding the film by a winding machine.
Example 2
The film used by the high-precision laser minimally invasive functional film in the embodiment is BOPP, and is divided into an upper layer structure, a middle layer structure and a lower layer structure, the total thickness is 22 micrometers, the laser frequency is set at 35%, the tangential depth is 12 micrometers, and the tangential length is 15mm (15 mm on each side of a gold stay wire);
the manufacturing method of the high-precision laser minimally invasive BOPP cigarette film comprises the following steps:
(1) film roll unreeling device
Placing the BOPP cigarette film which is cut according to the required width at the unreeling position of the equipment;
(2) surface treatment
Performing corona treatment in a code spraying area of the film, wherein if the surface tension of the film is more than 37 dynes, the adhesion to the printing ink is sufficient, and the corona treatment can be considered not to be used;
(3) gold drawing wire
Pressing a gold pull wire at a position designated by the film, wherein the step is preferably implemented on a cigarette packaging machine of a client;
(4) online code spraying
And in the process of unwinding the film roll, spraying positioning codes on the film at a specified position according to required color, size and distance.
(5) Code-spraying identification
And the positioning code is identified through equipment, and the signal is fed back to the laser.
(6) Laser cutting line
After receiving the feedback signal, the laser performs a tangent action at the designated position as required.
(7) Rolling-up device
And flattening the processed film, and finally winding the film by a winding machine.
The above description of the embodiments is only intended to facilitate the understanding of the method of the utility model and its core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A high-precision laser minimally invasive functional film is characterized by comprising a film body;
the surface of the membrane body is provided with a gold stay wire;
the membrane body is provided with an indentation, the indentation is located on one side or two sides of the gold stay wire, and one end of the indentation extends to the gold stay wire.
2. The high-precision laser minimally invasive functional film according to claim 1, wherein the indentations are linear indentations.
3. The high-precision laser minimally invasive functional film according to claim 1 or 2, wherein the indentation is arranged perpendicular to the gold pull wire.
4. The high-precision laser minimally invasive functional film according to claim 3, wherein two indentations are symmetrically arranged on two sides of the gold stay wire.
5. The high-precision laser minimally invasive functional film according to claim 1, wherein two indentations perpendicular to the gold wire are symmetrically arranged on two sides of the gold wire.
6. The high-precision laser minimally invasive functional film according to claim 5, wherein the indentation is a laser incision indentation.
7. The high-precision laser minimally invasive functional film according to claim 6, wherein the length of the indentation is 8-20 mm.
8. The high-precision laser minimally invasive functional film according to claim 1, wherein the depth of the indentation is 30-80% of the thickness of the film body.
9. An apparatus for preparing the functional film according to any one of claims 1 to 8, comprising, connected in sequence: unwinding device, spout a yard recognition device, laser instrument.
10. The apparatus of claim 9, wherein the bottom of the laser slit that contacts the film is made of a smooth white ceramic plate or roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120350572.8U CN215397472U (en) | 2021-02-08 | 2021-02-08 | High-precision laser minimally invasive functional film and preparation equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120350572.8U CN215397472U (en) | 2021-02-08 | 2021-02-08 | High-precision laser minimally invasive functional film and preparation equipment thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215397472U true CN215397472U (en) | 2022-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120350572.8U Active CN215397472U (en) | 2021-02-08 | 2021-02-08 | High-precision laser minimally invasive functional film and preparation equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215397472U (en) |
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2021
- 2021-02-08 CN CN202120350572.8U patent/CN215397472U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hainan Yongxin Environmental Protection Technology Co.,Ltd. Assignor: HAINAN SHINER INDUSTRIAL Co.,Ltd. Contract record no.: X2022980014896 Denomination of utility model: A high-precision laser minimally invasive functional film and its preparation equipment Granted publication date: 20220104 License type: Common License Record date: 20220908 |