CN115042493B - Punching heat-shrinkable film for cigarettes - Google Patents
Punching heat-shrinkable film for cigarettes Download PDFInfo
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- CN115042493B CN115042493B CN202210817838.4A CN202210817838A CN115042493B CN 115042493 B CN115042493 B CN 115042493B CN 202210817838 A CN202210817838 A CN 202210817838A CN 115042493 B CN115042493 B CN 115042493B
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- shrink
- layer
- reinforcing
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- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 33
- 229920006257 Heat-shrinkable film Polymers 0.000 title claims description 13
- 238000004080 punching Methods 0.000 title abstract description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 82
- 239000004698 Polyethylene Substances 0.000 claims description 52
- -1 polyethylene Polymers 0.000 claims description 18
- 229920000573 polyethylene Polymers 0.000 claims description 18
- 230000002787 reinforcement Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 3
- 239000004798 oriented polystyrene Substances 0.000 claims description 2
- 230000008602 contraction Effects 0.000 abstract description 6
- 238000010030 laminating Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 6
- 229920006300 shrink film Polymers 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 4
- 239000004712 Metallocene polyethylene (PE-MC) Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
- B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/40—Applications of laminates for particular packaging purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2565/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D2565/38—Packaging materials of special type or form
- B65D2565/381—Details of packaging materials of special type or form
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Wrappers (AREA)
Abstract
The invention discloses a punching thermal contraction film for cigarettes, in particular to the technical field of contraction films, which comprises a PE contraction layer, wherein a limit contraction layer is arranged below the PE contraction layer, A first bonding strip is arranged at one side of the PE shrinkage layer, and a second bonding strip is connected to the other side of the first bonding strip. According to the invention, the first embedded edge bonding strip and the first embedded inner ring bonding strip are bonded at the side surface position of the cigarette shell, the second bonding strip is extruded downwards, the second embedded edge bonding strip and the second embedded inner ring bonding strip are bonded at the other side surface position of the cigarette shell, when the PE shrinkage layer and the limiting shrinkage layer are heated by hot robbing, the PE shrinkage layer and the limiting shrinkage layer can be quickly shrunk, the edge bonding position is kept motionless, and the outside is shrunk, so that the edge position cannot be tilted and wrinkled, the parallelism is better, the scratch damage is not easy to occur during transportation, and the durability is better.
Description
Technical Field
The invention relates to the technical field of shrink films, in particular to a perforated heat shrink film for cigarettes.
Background
The shrink film has higher puncture resistance, good shrinkage and certain shrinkage stress, is mainly used in the selling and transporting processes of cigarette products, is used for stabilizing, covering and protecting the products, and has attractive appearance, and plays roles in moisture resistance, dust resistance, looseness resistance, theft prevention and aggregation.
The invention patent of the searched patent application publication number CN110757924B discloses a heat-shrinkable film composition. The heat-shrinkable film composition comprises an inner layer, a middle layer and an outer layer, and is prepared from the following raw materials in percentage by weight: 20-40% of high-density polyethylene; 20-40% of high-pressure polyethylene; 30-60% of medium density metallocene polyethylene; wherein the medium density metallocene polyethylene is a copolymer of ethylene and alpha-olefin, and the density is 0.932-0.938g/cm3; the melt mass flow rate is 0.1-0.8g/10min. The invention provides a heat-shrinkable film composition, which adopts medium-density metallocene polyethylene, changes the entanglement effect among polyethylene molecular chains, improves the retraction rate of high-pressure polyethylene long-chain branches in a formula during heat shrinkage, reduces the heat shrinkage temperature of the film on the basis of reducing the thickness and keeping good mechanical properties when being used for producing heat-shrinkable films, saves energy consumption for downstream users, and improves the production efficiency.
When the cigarette packaging machine is used in actual use, for example, when the shrink film is heated by the hot air gun to shrink, the edge position can shrink to cause the crease shape to remain outside the cigarette, so that the cigarette packaging machine cannot be attached to the outside of the cigarette shell to cause a large number of warping states, scratch can be carried out in the transferring process, and the cigarette packaging machine is easy to damage and deform.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides the perforated heat-shrinkable film for cigarettes, which is characterized in that the edge bonding position is kept still, and the outer part is shrunk, so that the edge position cannot be tilted or wrinkled, the parallelism is better, the scratch and damage are not easy to occur during transportation, and the durability is better, so that the problems in the background art are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a heat shrinkage film punches for cigarette, includes the PE shrink layer, spacing shrink layer is installed to PE shrink layer's below, installs first laminating strip in PE shrink layer's one side position department, and the opposite side of first laminating strip is connected with the second laminating strip, first embedded edge bonding strip is installed in first laminating strip's below embedding, and installs the first embedded inner ring bonding strip of being connected with first laminating strip embedding in first embedded edge bonding strip's one side position department, the embedded inner ring bonding strip of second is installed to second laminating strip's below, and embedded inner ring bonding strip of second one side position department is provided with the embedded edge bonding strip of second.
In a preferred embodiment, an injection molding integrated molding is adopted between the PE shrink layer and the limiting shrink layer, the cross section of the limiting shrink layer is rectangular, the first bonding strip and the second bonding strip are symmetrically arranged in the middle of the PE shrink layer, the second bonding strip is made of a propylene copolymer material, and the second embedded edge bonding strip and the first embedded edge bonding strip are similar in shape and same in size.
In a preferred embodiment, a polyethylene film layer is installed above the PE shrink layer, a plurality of groups of first shrink holes are formed in the top end of the polyethylene film layer, a group of second shrink holes are installed on one side of each group of first shrink holes, the number of each group of first shrink holes is three, and the number of each group of second shrink holes is four.
In a preferred embodiment, side shrink strips are all installed to the both sides of polyethylene film layer, and a plurality of diagonal grooves have all been seted up on every side shrink strip top, and the folding shrink reinforcement strip of shape is all installed to the inside in every diagonal groove, a plurality of lower shrink grooves have been seted up to the below of side shrink strip, the below of side shrink strip just is located two adjacent lower shrink groove and has all been seted up diagonal folding groove in the position department between, the inside folding strip that is provided with of lower shrink groove, and the bottom of going up the folding strip is connected with down the folding strip, down the folding strip vertical section shape sets up to the V font, go up folding strip, lower folding strip, folding shrink reinforcement strip, side shrink strip, be made by directional polystyrene material.
In a preferred embodiment, a plurality of first transverse shrinkage reinforcing strips are installed at positions between the PE shrinkage layer and the polyethylene film layer, a plurality of diagonal strips are arranged on two sides of each first transverse shrinkage reinforcing strip, concave strips are arranged at positions on one side of each diagonal strip, a plurality of inclined strips which are sequentially and equidistantly arranged from left to right are connected at positions on two sides of each concave strip, longitudinal reinforcing strips are arranged between every two adjacent second transverse shrinkage reinforcing strips, a first connecting wire reinforcing strip is connected to one side of a joint of each first transverse shrinkage reinforcing strip and each second transverse shrinkage reinforcing strip, a second connecting wire reinforcing strip is arranged on the other side of each joint of each first transverse shrinkage reinforcing strip and each second transverse shrinkage reinforcing strip, and reinforcing shrinkage reinforcing strips are connected to one end of each first connecting wire reinforcing strip.
The invention has the technical effects and advantages that:
1. According to the invention, the bottom surface of the limit shrinkage layer is attached to the outer packaging position of the cigarette, after one circle of wrapping, the first attaching strip drives the first embedded edge bonding strip to be extruded downwards and turned over, the first embedded edge bonding strip and the first embedded inner ring bonding strip are bonded to the side surface position of the cigarette shell, the second attaching strip is extruded downwards, the second embedded edge bonding strip and the second embedded inner ring bonding strip are attached to the other side surface position of the cigarette shell, the PE shrinkage layer and the limit shrinkage layer are quickly shrunk when heated by a hot rob, the edge attaching position is kept motionless, the outside is shrunk, so that the edge position cannot be tilted and wrinkled, the parallelism is better, scratch damage is not easy to occur during transportation, and the durability is better;
2. When the two side shrinkage strips are aligned for heating, the upper folding strip is driven by the lower folding strip to finish the shrinkage operation by extruding and shrinking according to the plurality of diagonal grooves and the plurality of lower shrinkage grooves, the folded shrinkage reinforcing strip also starts to shrink to the right side, after the side shrinkage strip is completely shrunk, the edge can be shrunk into a reinforcing strip, the folding type reinforcement is realized by the strip, and the edge stability and the firmness are better when being pulled;
3. According to the PE shrink layer, the diagonal strips and the first transverse shrink reinforcing strips are shrunk, the concave strips and the second transverse shrink reinforcing strips also complete shrinkage operation, the second connecting wire reinforcing strips and the first connecting wire reinforcing strips complete shrinkage, the outer parts of the PE shrink layers can play a role in reinforcing the diagonal strips and the concave strips on two sides of the first transverse shrink reinforcing strips, the inclined strips and the reinforcing shrink strips can play a role in reinforcing the second transverse shrink reinforcing strips, so that the upper surface of the PE shrink layer can form a staggered reinforcing effect, the overall external firmness after shrinkage is higher, damage is not easy to cause, and the tensile strength is higher;
To sum up, through the mutual influence of above-mentioned a plurality of effects, the perk can not take place with the fold problem in edge position to the parallelism is better, is difficult for taking place to scratch the damage when the transportation, and the edge can shrink into a reinforcement line, and folding reinforcement is realized to the line, and edge stability and fastness when pulling are better, can make PE shrink layer's upper surface form crisscross reinforced effect, and whole outside fastness after the shrink is higher, can effectively improve shrink film's durability in sum, and the resistance to pulling nature is higher.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic bottom perspective view of the present invention.
FIG. 3 is a schematic view of a portion of a connection between a first bonding strip and a first embedded edge bonding strip according to the present invention.
FIG. 4 is a schematic view of a connection between a second bonding strip and a second embedded inner ring bonding strip according to the present invention.
Fig. 5 is an enlarged schematic view of the structure of fig. 4 a according to the present invention.
FIG. 6 is a schematic view of the top surface structure of the PE shrink layer of the present invention.
The reference numerals are: 1. a PE shrink layer; 2. limiting the shrinkage layer; 3. a first laminating strip; 4. a second laminating strip; 5. a first embedded edge bonding strip; 6. the first embedded inner ring bonding strip; 7. the second embedded inner ring bonding strip; 8. a second embedded edge bonding strip; 9. a polyethylene film layer; 10. a first shrinkage cavity; 11. a second shrinkage cavity; 12. reinforcing the shrink strip; 13. a side shrink strip; 14. diagonal grooves; 15. folding shrinkage reinforcement strips; 16. a lower shrink tank; 17. diagonal folding grooves; 18. an upper folding bar; 19. a lower folding bar; 20. a first laterally contracting reinforcing strip; 21. diagonal stripes; 22. a concave strip; 23. a second laterally contracting reinforcing strip; 24. an inclined bar; 25. longitudinal reinforcing strips; 26. a first connecting line reinforcing strip; 27. the second connecting wire reinforces the strip.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The utility model provides a cigarette is with thermal contraction membrane that punches as shown in fig. 1-6, including PE shrink layer 1, limit shrink layer 2 is installed to PE shrink layer 1's below, first laminating strip 3 is installed in PE shrink layer 1's one side position department, and the opposite side of first laminating strip 3 is connected with second laminating strip 4, first embedded edge bonding strip 5 is installed in first laminating strip 3's below embedding, and install first embedded inner ring bonding strip 6 of being connected with first laminating strip 3 embedding in first embedded edge bonding strip 5's one side position department, second embedded inner ring bonding strip 7 is installed to second laminating strip 4's below, and second embedded inner ring bonding strip 7 one side position department is provided with second embedded edge bonding strip 8.
In some embodiments, as shown in fig. 1-4, injection molding is adopted between the PE shrink layer 1 and the limit shrink layer 2 for integral molding, the cross section of the limit shrink layer 2 is rectangular, so that the integral molding efficiency between the PE shrink layer 1 and the limit shrink layer 2 is faster, the rectangular shape can be attached to the position of the outer shell of the cigarette, the first attaching strip 3 and the second attaching strip 4 are symmetrically arranged about the middle part of the PE shrink layer 1, the second attaching strip 4 is made of a propylene copolymer material, so that the first attaching strip 3 and the second attaching strip 4 are symmetrical about the PE shrink layer 1, and therefore are stably attached to the positions of two sides of the cigarette, and the second attaching strip 4 can also carry out shrinking operation.
In some embodiments, as shown in fig. 3-4, the second in-line edge bonding strip 8 and the first in-line edge bonding strip 5 are similar in shape and the same in size, such that the second in-line edge bonding strip 8 and the second in-line inner ring bonding strip 7 are attached to the other side of the cigarette case, and the first in-line edge bonding strip 5 and the first in-line inner ring bonding strip 6 are attached to the other side of the cigarette case.
In some embodiments, as shown in fig. 1, a polyethylene film layer 9 is installed above the PE shrink layer 1, a plurality of groups of first shrink holes 10 are formed in the top end of the polyethylene film layer 9, one side of each group of first shrink holes 10 is provided with a group of second shrink holes 11, the number of each group of first shrink holes 10 is three, and the number of each group of second shrink holes 11 is four, so that the first shrink holes 10 and the second shrink holes 11 are heated, heat shrinkage can be achieved, and close shrinkage is performed at the center positions of the first shrink holes 10 and the second shrink holes 11, and typesetting is performed according to three, four and three.
In some embodiments, as shown in fig. 4-5, two sides of the polyethylene film layer 9 are provided with side shrinkage strips 13, the top end of each side shrinkage strip 13 is provided with a plurality of diagonal grooves 14, the inside of each diagonal groove 14 is provided with a folded shrinkage reinforcing strip 15, a plurality of lower shrinkage grooves 16 are arranged below the side shrinkage strips 13, diagonal folding grooves 17 are arranged below the side shrinkage strips 13 and at positions between two adjacent lower shrinkage grooves 16, an upper folding strip 18 is arranged inside each lower shrinkage groove 16, the bottom end of each upper folding strip 18 is connected with a lower folding strip 19, the vertical section of each lower folding strip 19 is V-shaped, and each upper folding strip 18, each lower folding strip 19, each folded shrinkage reinforcing strip 15 and each side shrinkage strip 13 are made of oriented polystyrene materials;
So that the side shrink strip 13 performs shrink operation to the inside of the first shrink hole 10 and the second shrink hole 11, the side shrink strip 13 performs extrusion shrink according to the plurality of diagonal grooves 14 and the plurality of lower shrink grooves 16, the upper folding strip 18 starts to perform shrink operation, the folded shrink reinforcing strip 15 starts to shrink to the right side, and after the side shrink strip 13 is completely shrunk, the edge can shrink into one reinforcing strip. The reinforcing line can be pulled to facilitate transferring the packaged cigarette case.
In some embodiments, as shown in fig. 6, a plurality of first transverse shrinkage reinforcing strips 20 are installed at positions between the PE shrinkage layer 1 and the polyethylene film layer 9, two opposite corner strips 21 are arranged at two sides of the first transverse shrinkage reinforcing strips 20, a concave strip 22 is arranged at one side of the opposite corner strips 21, a plurality of inclined strips 24 which are sequentially and equidistantly arranged from left to right are arranged at two sides of the concave strip 22, a longitudinal reinforcing strip 25 is arranged between two adjacent second transverse shrinkage reinforcing strips 23, a first connecting wire reinforcing strip 26 is connected at one side of a joint of the first transverse shrinkage reinforcing strips 20 and the second transverse shrinkage reinforcing strips 23, a second connecting wire reinforcing strip 27 is installed at the other side of the joint, and one end of the first connecting wire reinforcing strip 26 is connected with a reinforcing shrinkage reinforcing strip 12;
so that the diagonal strip 21 and the first transverse shrinkage reinforcing strip 20 are shrunk, the concave strip 22 and the second transverse shrinkage reinforcing strip 23 are shrunk, the oblique strip 24 and the reinforcing shrinkage strip 12 are shrunk, the second connecting line reinforcing strip 27 and the first connecting line reinforcing strip 26 are shrunk, after shrinkage, the diagonal strip 21 and the concave strip 22 can play a role in reinforcing the two sides of the first transverse shrinkage reinforcing strip 20, the oblique strip 24 and the reinforcing shrinkage strip 12 can play a role in reinforcing the second transverse shrinkage reinforcing strip 23, and the longitudinal reinforcing strip 25 can play a role in reinforcing the second transverse shrinkage reinforcing strip 23.
The working principle of the invention is as follows:
When the side surfaces are bonded, the bottom surface of the limiting shrinkage layer 2 can be bonded at the outer packing position of the cigarette, after a circle of wrapping, the first bonding strip 3 is downwards extruded, the first bonding strip 3 drives the first embedded edge bonding strip 5 to downwards extrude and overturn, meanwhile, the first bonding strip 3 drives the first embedded inner ring bonding strip 6 to downwards overturn, the first embedded edge bonding strip 5 and the first embedded inner ring bonding strip 6 are bonded at the side surface position of the outer shell of the cigarette, the second bonding strip 4 is downwards extruded, the second bonding strip 4 drives the second embedded edge bonding strip 8 to downwards rotate, the second embedded inner ring bonding strip 7 also downwards rotates, the second embedded edge bonding strip 8 and the second embedded inner ring bonding strip 7 are bonded at the other side surface position of the outer shell of the cigarette, the effect of bonding and bonding the two sides of the outer shell of the cigarette is realized, and when the PE shrinkage layer 1 and the limiting shrinkage layer 2 are heated by hot rob, shrinkage can be quickly performed, so that the edge position cannot be tilted and the problem can not occur, and the edge uniformity of shrinkage is better;
When the heat gun is aligned to the side shrinkage strips 13 to shrink, the side shrinkage strips 13 finish shrinkage operation towards the inside of the first shrinkage hole 10 and the second shrinkage hole 11, then when the two side shrinkage strips 13 are aligned to heat, the side shrinkage strips 13 are extruded and shrunk according to the diagonal grooves 14 and the lower shrinkage grooves 16, so that the lower folding strips 19 shrink, the lower folding strips 19 drive the upper folding strips 18 to finish shrinkage operation, the folding shrinkage reinforcement strips 15 also start to shrink towards the right side, after the side shrinkage strips 13 shrink completely, the effect of stable shrinkage on the right side is realized, so that the edges can shrink into a reinforcement line, the folding reinforcement is realized by the line, and the edge stability and the firmness are better when the folding reinforcement strip is pulled;
When the middle part is reinforced, after the PE shrink layer 1 is shrunk, the diagonal strips 21 and the first transverse shrink reinforcing strips 20 are shrunk, the concave strips 22 and the second transverse shrink reinforcing strips 23 are also shrunk, the plurality of inclined strips 24 and the reinforcing shrink strips 12 are shrunk, the second connecting line reinforcing strips 27 and the first connecting line reinforcing strips 26 at the connecting positions of the first transverse shrink reinforcing strips 20 and the second transverse shrink reinforcing strips 23 are shrunk, so that after the shrinkage is finished, the external parts of the PE shrink layer 1 can play a role in reinforcing the diagonal strips 21 and the concave strips 22 on two sides of the first transverse shrink reinforcing strips 20, the inclined strips 24 and the reinforcing shrink strips 12 can play a role in reinforcing the second transverse shrink reinforcing strips 23, and the longitudinal reinforcing strips 25 can play a role in reinforcing the adjacent two second transverse shrink reinforcing strips 23.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
Secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present invention.
Claims (6)
1. The perforated heat-shrinkable film for the cigarettes comprises a PE shrink layer (1), and is characterized in that: the PE shrink layer (1) is characterized in that a limit shrink layer (2) is arranged below the PE shrink layer (1), a first bonding strip (3) is arranged at one side position of the PE shrink layer (1), a second bonding strip (4) is connected to the other side of the first bonding strip (3), a first embedded edge bonding strip (5) is arranged below the first bonding strip (3) in an embedded manner, a first embedded inner ring bonding strip (6) connected with the first bonding strip (3) in an embedded manner is arranged at one side position of the first embedded edge bonding strip (5), a second embedded inner ring bonding strip (7) is arranged below the second bonding strip (4), and a second embedded edge bonding strip (8) is arranged at one side position of the second embedded inner ring bonding strip (7);
A polyethylene film layer (9) is arranged above the PE shrinkage layer (1), a plurality of groups of first shrinkage holes (10) are formed in the top end of the polyethylene film layer (9), and a group of second shrinkage holes (11) are formed in one side of each group of first shrinkage holes (10);
the number of the first shrinkage holes (10) of each group is three, and the number of the second shrinkage holes (11) of each group is four;
The polyethylene film comprises a polyethylene film layer (9), wherein side shrinkage strips (13) are arranged on two sides of the polyethylene film layer (9), a plurality of diagonal grooves (14) are formed in the top end of each side shrinkage strip (13), a folded shrinkage reinforcing strip (15) is arranged in each diagonal groove (14), a plurality of lower shrinkage grooves (16) are formed in the lower part of each side shrinkage strip (13), diagonal folding grooves (17) are formed in the lower part of each side shrinkage strip (13) and in the position between two adjacent lower shrinkage grooves (16), an upper folding strip (18) is arranged in each lower shrinkage groove (16), and a lower folding strip (19) is connected to the bottom end of each upper folding strip (18);
The PE shrink layer (1) and polyethylene film layer (9) between the position department install a plurality of first horizontal shrink reinforcement strip (20), first horizontal shrink reinforcement strip (20) both sides all are provided with a plurality of diagonal strip (21), diagonal strip (21) one side position department is provided with spill strip (22), is connected with a plurality of inclined strips (24) of horizontal shrink reinforcement strip (23) both sides position department from left to right equidistance in proper order in spill strip (22) one end position department, all is provided with vertical reinforcement strip (25) between two adjacent second horizontal shrink reinforcement strips (23).
2. The perforated heat-shrinkable film for cigarettes according to claim 1, wherein: the PE shrink layer (1) and the limit shrink layer (2) are integrally formed by injection molding, and the cross section of the limit shrink layer (2) is rectangular.
3. The perforated heat-shrinkable film for cigarettes according to claim 1, wherein: the first attaching strip (3) and the second attaching strip (4) are symmetrically arranged in the middle of the PE shrinkage layer (1), and the second attaching strip (4) is made of a propylene copolymer material.
4. The perforated heat-shrinkable film for cigarettes according to claim 1, wherein: the second embedded edge bonding strip (8) and the first embedded edge bonding strip (5) are similar in shape and same in size.
5. The perforated heat-shrinkable film for cigarettes according to claim 1, wherein: the vertical section of the lower folding strip (19) is arranged in a V shape, and the upper folding strip (18), the lower folding strip (19), the folded shrinkage reinforcing strip (15), the side shrinkage strip (13) are all made of oriented polystyrene materials.
6. The perforated heat-shrinkable film for cigarettes according to claim 1, wherein: the first connecting line reinforcing strip (26) is connected to one side of the joint of the first transverse shrinkage reinforcing strip (20) and the second transverse shrinkage reinforcing strip (23), the second connecting line reinforcing strip (27) is arranged on the other side of the joint, and one end of the first connecting line reinforcing strip (26) is connected with the reinforcing shrinkage strip (12).
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| CN202210817838.4A CN115042493B (en) | 2022-07-09 | 2022-07-09 | Punching heat-shrinkable film for cigarettes |
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| CN202210817838.4A CN115042493B (en) | 2022-07-09 | 2022-07-09 | Punching heat-shrinkable film for cigarettes |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN218140410U (en) * | 2022-07-09 | 2022-12-27 | 郑州金博塑业有限公司 | Perforated heat shrinkable film for cigarettes |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3398535B2 (en) * | 1995-11-08 | 2003-04-21 | ティーディーケイ株式会社 | Film package with improved openability |
| PT944539E (en) * | 1996-11-21 | 2003-07-31 | British American Tobacco Co | PACKAGING FOR SMOKING ITEMS |
| JP3416029B2 (en) * | 1997-08-15 | 2003-06-16 | 大阪シーリング印刷株式会社 | Heat shrinkable film material and method for producing the same |
| DE19957415A1 (en) * | 1999-11-29 | 2001-05-31 | Focke & Co | Method and device for manufacturing folding boxes for cigarettes |
| JP2005004017A (en) * | 2003-06-13 | 2005-01-06 | Fuji Seal Inc | Heat-shrinkable tubular label |
| JP2011063285A (en) * | 2009-09-16 | 2011-03-31 | Bonpack:Kk | Method for manufacturing shrink film |
| JP2015169681A (en) * | 2014-03-04 | 2015-09-28 | 株式会社フジシール | heat-shrinkable cylindrical label |
| CN211767603U (en) * | 2019-12-17 | 2020-10-27 | 云南中烟工业有限责任公司 | Packaging film convenient to disassemble |
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| CN218140410U (en) * | 2022-07-09 | 2022-12-27 | 郑州金博塑业有限公司 | Perforated heat shrinkable film for cigarettes |
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