CN218317844U

CN218317844U - Plastic composite heat insulation plate of foldable heat insulation box for cold chain

Info

Publication number: CN218317844U
Application number: CN202221715703.9U
Authority: CN
Inventors: 孙汝铜; 何红娟
Original assignee: Hebei Taoye Machinery Co ltd
Current assignee: Hebei Taoye Machinery Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2023-01-17
Anticipated expiration: 2032-07-05

Abstract

The utility model provides a compound insulation board of plastics of collapsible insulation can for cold chain, belongs to packing product technical field, aims at solving the insulation board product structure of current cold chain insulation can and waits to further improve, uses inconvenient problem. The surface film is the surface layer of any one of a BOPET film, a BOPP film, a PA film and a PE film, the surface layer of the film is printed into a printing product and then is compounded with the double-layer film compound surface layer of the BOPS film, and the lining layer is any one of a BOPET film compound BOPS film, a BOPP film compound BOPS film, a PA film compound BOPS film and a PE film compound BOPS film; the sandwich layer is made by melting polystyrene raw material by a plastic extruder and injecting foaming agent into the polystyrene foam sheet sandwich layer, and hot-pressing and compounding a surface layer and a lining layer on two sides of the sandwich layer into a whole by a hot roller pressing machine. The structure is novel and practical, and the composite heat-insulating plate is suitable for being used in the application fields of cold chain systems and the like.

Description

Plastic composite heat insulation plate of foldable heat insulation box for cold chain

Technical Field

The utility model belongs to the technical field of the packing product, a cold chain insulation board product is related to.

Background

With the continuous deepening and expansion of cold chain systems, the technical requirements on the heat insulation plates used in the cold chain are higher and higher, because the heat insulation plates used in the cold chain are directly related to cold chain heat insulation boxes and the like and the overall effect and quality of the cold chain heat insulation boxes and the system. In the known technology, the heat insulation board of the existing cold chain heat insulation box is mainly a heat insulation board made of a paperboard with a foaming lining layer, a honeycomb paperboard, a corrugated paperboard, a paper-plastic double-layer board and the like attached therein, but is limited by the structure, the heat insulation type is poor, the overall strength is low, and a damage phenomenon exists in the use process, particularly, in the processes of cold chain production, preservation, transportation, distribution, circulation processing, sale to a consumption terminal, the set temperature, humidity and other environments need to be strictly kept all the time, the heat insulation board of the existing cold chain heat insulation box is limited in use, inconvenience is brought to practical application, and the product structure of the heat insulation board is to be further improved.

In view of the above, in order to adapt to the continuous development and technological progress of the cold chain system packaging products and the manufacturing materials thereof, there is a need for further improvement and development of a novel thermal insulation board suitable for manufacturing the cold chain system.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the problems that the structure of the heat insulation plate product of the existing cold chain incubator is to be further improved and the application is inconvenient are solved. The utility model aims at providing a novel and practical structure has that the heat insulating ability is good, intensity is high, light in weight, is suitable for the used collapsible insulation can of preparation cold chain, convenient to use's new-type cold chain insulation board.

The utility model provides a technical scheme that above-mentioned problem adopted is:

a plastic composite insulation board of a foldable insulation box for a cold chain is a plastic composite insulation board formed by compounding a surface layer, a sandwich layer and a lining layer, wherein the surface layer is the surface layer of any one of a BOPET film, a BOPP film, a PA film and a PE film, and the surface of the surface layer of the film material is printed into a printed product and then compounded with a double-layer film composite surface layer of the BOPS film material; the lining layer is a lining layer of any double-layer composite film of a BOPET film composite BOPS film, a BOPP film composite BOPS film, a PA film composite BOPS film and a PE film composite BOPS film; the sandwich layer is a polystyrene foam board flaky sandwich layer which is prepared by melting polystyrene raw material particles through a plastic extruder and injecting a foaming agent, foaming and then producing, wherein the surface layer and the lining layer are respectively subjected to hot-pressing compounding into a whole by hot-rolling pressing machinery on two sides of the polystyrene foam board flaky sandwich layer, and the prepared plastic composite heat-insulation board for the cold chain is prepared. The polystyrene raw material of the sandwich layer comprises general-grade polystyrene or/and foaming-grade polystyrene or/and recycling-grade polystyrene. The polystyrene raw material particles of the sandwich layer are melted by a plastic extruder and injected with a foaming agent, and the adopted foaming process comprises a carbon dioxide and ethanol mixed foaming process or a butane foaming process and other applicable foaming processes.

The liner layer or the liner layer of the composite film structure of the PET aluminized film and BOPS film is adopted as the plastic composite heat insulation board of the foldable heat insulation box for the cold chain.

The thickness of the plastic composite heat insulation board of the foldable heat insulation box for the cold chain is 1.0-20.0 mm.

The plastic composite heat insulation plate material of the foldable heat insulation box for the cold chain is characterized in that the surface layer is a composite surface layer formed by compounding the outer surface of a BOPS film and a plastic film printing product, wherein the plastic film printing product is a printing product printed by any one of a BOPET film, a BOPP film, a PA film and a PE film by adopting any one of gravure color printing or digital plastic printing technologies, and is also a plastic film printing product manufactured by other applicable printing technologies.

The utility model discloses during the use, according to the designing requirement and actual need, according to the product variety model of making production, prepare corresponding product raw materials, control production line industrial control ware, weigh the used polystyrene raw materials of sandwich layer and cooperate the back, melt polystyrene granule and pour into the foamer through the extruder, foaming process includes carbon dioxide mixing ethanol foaming or butane foaming process etc. the sandwich layer substrate slab that the production was made after the foaming, the surface and the back up face of sandwich layer substrate slab adopt hot-roll pressfitting machinery to carry out the superficial layer, the hot-roll complex of lining layer is as an organic whole, the compound insulation board product of plastics for the cold chain of making promptly.

Because the utility model relates to an adopted above-mentioned technical scheme, solved current cold chain insulation board product structure effectively and had to be treated in further improvement, the inconvenient problem of practical application. The trial result of the actual operation test shows that the composite heat-insulating plate has the advantages of novel and practical integral structure, good heat insulation, high strength, light weight, wide application range, convenient use and the like, and is suitable for composite heat-insulating plates required by cold chain systems and other application fields.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings described are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram showing the cross-sectional structure of the plastic composite thermal insulation board product of the foldable thermal insulation box for cold chain, wherein the lining layer compounded by the sandwich layer is a double-layer composite film of a BOPS film and a BOPET film, and the surface layer is a printed product embodiment of the BOPS film and the BOPET film.

Fig. 2 is a schematic sectional view of a specific structure of an embodiment in which a liner layer compounded by a core layer in the plastic composite insulation board product in the embodiment of fig. 1 is a double-layer composite film of a BOPS film and a PA film, and a surface layer is a BOPS film-laminated BOPP film printed product.

Fig. 3 is a schematic sectional view of a specific structure of an embodiment in which a liner layer compounded by a core layer in the plastic composite insulation board product in the embodiment of fig. 1 is a double-layer composite film of a BOPS film and a PE film, and a surface layer is a BOPS film and a PA film printed product.

Fig. 4 is a schematic sectional view of a specific structure of an embodiment in which a liner layer compounded with a core layer in the plastic composite thermal insulation board product in the embodiment of fig. 1 is a double-layer composite film of a BOPS film and a PET aluminum-plated film, and a surface layer is a printed product of a BOPS film and a PE film.

The reference numbers in the drawings are as follows: 1-a backing layer; 101-a first BOPS film; 102-BOPET film; 103-PA film; 104-PE film; 105-PET aluminized film; 2-a sandwich layer; 3-a surface layer; 301-a second BOPS film; 302-BOPET film printed article; 303-BOPP film printed article; 304-PA film printed article; 305-PE film printed article.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1, the present embodiment is composed of a surface layer 3, a sandwich layer 2, and a lining layer 1, wherein the lining layer 1 is a double-layer composite film lining layer formed by combining a biaxially oriented polyester film BOPET film 102 and a first BOPS film 101; the surface layer 3 is a composite surface layer formed by compounding a BOPET film printing product 302 which is subjected to surface printing by a biaxially oriented polyester film BOPET film by adopting a gravure printing technology on the outer surface of a second BOPS film 301; the sandwich layer 2 is a plastic composite type thermal insulation board for a cold chain, which is prepared by melting polystyrene particles by a plastic extruder, injecting a foaming agent into the polystyrene particles, foaming the polystyrene particles by adopting a carbon dioxide and ethanol mixed foaming process to prepare a polystyrene foam board flaky sandwich layer, and hot-pressing and compounding a surface layer and a lining layer into a whole on two sides of the polystyrene foam board flaky sandwich layer by adopting a hot roller pressing machine; the thickness of the plastic composite heat-insulating board is 3.0mm.

Preferably, referring to fig. 2, in this embodiment, the sandwich layer 2 is a plastic composite thermal insulation board for a cold chain, which is manufactured by respectively performing two-sided lamination on a lining layer 1 and a surface layer 3 by using a hot roller press machine, the lining layer 1 is a double-layer composite membrane lining layer of a BOPS membrane 101 and a PA membrane 103, the surface layer 3 is a composite surface layer of a BOPS membrane 301 and a BOPP membrane printed product 303, the sandwich layer 2 is a polystyrene foam board sheet-shaped sandwich layer manufactured by melting polystyrene particles and injecting a foaming agent by using a plastic extruder according to a weight ratio of general-grade polystyrene to foaming-grade polystyrene of 6.0: 4.0, and foaming by using a butane foaming process.

For example, referring to fig. 3, in the present embodiment, the core layer 2 is formed by hot-pressing and combining a lining layer 1 and a surface layer 3 into a whole by using a hot-roll press machine, and the lining layer 1 is a double-layer composite film lining layer of a BOPS film 101 and a PE film 104, and the surface layer 3 is a composite surface layer of a BOPS film 301 and a PA film printed product 304.

Specifically, referring to fig. 4, in the present embodiment, the sandwich layer 2 is formed by hot-pressing and combining the lining layer 1 and the surface layer 3 into a whole by using a hot-roll press machine, and the lining layer 1 is a lining layer of a composite film structure of the BOPS film 101 and the PET aluminum-plated film 105, and the surface layer 3 is a composite surface layer of the BOPS film 301 and the PE film printed product 305.

The above is only one example, and on the basis of the above, other technical features and solutions derived from adding parts, equivalent substitutions and partial improvements, which are not inventive by the skilled person, are all within the scope of protection of the present invention.

Claims

1. A plastic composite heat insulation plate of a foldable heat insulation box for a cold chain is characterized by being formed by compounding a surface layer, a sandwich layer and a lining layer, wherein the surface layer is any one of a BOPET film, a BOPP film, a PA film and a PE film, the surface of the film material surface layer is printed to be a double-layer film composite surface layer of the BOPS film, and the lining layer is any one of a BOPET film composite BOPS film, a BOPP film composite BOPS film, a PA film composite BOPS film and a PE film composite BOPS film; the sandwich layer is a polystyrene foam board flaky sandwich layer which is prepared by melting polystyrene raw material particles through an extruder and injecting a foaming agent, foaming and then producing, and the surface layer and the lining layer are respectively hot-pressed and compounded into a whole by hot-rolling pressing machinery on two sides of the polystyrene foam board flaky sandwich layer to prepare the plastic composite heat-insulation board for the cold chain.

2. The plastic composite heat-insulating board of the foldable heat-insulating box for the cold chain as claimed in claim 1, wherein the lining layer is a lining layer of a composite film structure of PET aluminized film and BOPS film.

3. The plastic composite thermal insulation board of the foldable thermal insulation box for the cold chain as claimed in claim 1, wherein the thickness of the plastic composite thermal insulation board is 1.0 mm-20.0 mm.

4. The plastic composite thermal insulation board of the foldable thermal insulation box for the cold chain as claimed in claim 1, wherein the printed product of the surface layer of any one of the BOPET film, the BOPP film, the PA film and the PE film in the surface layer is a printed product printed by any one of gravure color printing and digital plastic printing.