CN211282054U

CN211282054U - High-stiffness thinning packaging bag

Info

Publication number: CN211282054U
Application number: CN201921863070.4U
Authority: CN
Inventors: 张志苗
Original assignee: Zhejiang Qinglan New Material Technology Co ltd
Current assignee: Zhejiang Qinglan New Material Technology Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-08-18
Anticipated expiration: 2029-10-31

Abstract

The utility model belongs to the technical field of the wrapping bag, especially, relate to a high stiffness attenuate wrapping bag. The utility model discloses, include and enclose the wrapping bag body that closes and form by the film, the high straight thin film that subtracts of fixedly connected with in the film, the high straight thin film that subtracts includes high density polyethylene layer and sets up the low density polyethylene layer in high density polyethylene layer both sides, low density polyethylene layer and film fixed connection. The utility model discloses there is high very thin film that subtracts at the internal surface recombination of film, when guaranteeing the holistic machinability of film, has improved the holistic deflection of film, and, the utility model discloses be equipped with to insert in wrapping bag body side and be equipped with the very bag that adds of very strip, can further prevent that the wrapping bag body from taking place folding problem in storage and transportation like this.

Description

High-stiffness thinning packaging bag

Technical Field

The utility model belongs to the technical field of the wrapping bag, especially, relate to a high stiffness attenuate wrapping bag.

Background

The packaging bag is an essential article in daily life of people and is often used for containing other articles. The packaging bag has the advantages of low price, extremely light weight, large capacity and convenient storage, and is widely used for packaging bags for various articles in production life and industrial production, and partial inner packaging objects can cause wrinkle formation after being folded to influence use, so that the articles need to be prevented from being folded in the storage and transportation processes, and the packaging bag with higher stiffness needs to be provided.

For example, the chinese utility model patent discloses a packaging film and high-stiffness multifunctional packaging bag [ application No.: 201720622246.1], the utility model discloses an including the kraft paper layer of coating with the printing ink pattern on the surface, and locate outer protective layer and the interior heat-seal blanket of kraft paper layer inside and outside both sides, kraft paper layer's gram weight is 40-60 g/square meter, the outer protective layer is transparent PET rete, interior heat-seal blanket's thickness is 30-50um, be equipped with the reinforcing rete between interior heat-seal blanket and the kraft paper layer, the reinforcing rete is transparent nylon membrane, through the tie coat bonding between kraft paper layer and the reinforcing rete and between reinforcing rete and the interior heat-seal blanket, the opening has been seted up on the kraft paper layer, thereby it forms transparent light zone to correspond open-ended position on the packaging film.

The utility model discloses a compound packaging film is moulded to paper through kraft paper and film complex has made to improve the wrapping bag deflection, but such manufacturing process is comparatively complicated, can reduce the machinability of film itself moreover.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a high deflection attenuate wrapping bag is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a high stiffness attenuate wrapping bag, includes the wrapping bag body that closes and form by the film enclosure, the fixed surface is connected with the high stiffness and subtracts the film in the film, high stiffness attenuate film includes high density polyethylene layer and sets up the low density polyethylene layer in high density polyethylene layer both sides, low density polyethylene layer and film fixed connection.

In the high-stiffness thinned packaging bag, the density of the high-density polyethylene layer is more than 0.95 g/cm.

In the high-stiffness thinned packaging bag, the thickness of the high-stiffness thinned film is less than 30 microns.

In the high stiffness thinned packaging bag, the film further comprises a polyester aluminized layer made of VMPET and fixedly connected to the low density polyethylene layer, and an outer layer made of MOPP and fixedly connected to the polyester aluminized layer.

In the high-stiffness thinning packaging bag, at least one layer of strength reinforcing layer capable of improving the strength of the high-density polyethylene layer is arranged in the high-density polyethylene layer.

In the high-stiffness thinned packaging bag, the strength reinforcing layer comprises a plurality of first reinforcing fibers parallel to each other and a plurality of second reinforcing fibers parallel to each other, and the first reinforcing fibers and the second reinforcing fibers are vertically interwoven.

In the high-stiffness thinning packaging bag, at least one side surface of the packaging bag body is provided with a stiffening bag, and the stiffening strip is connected in the stiffening bag in a sliding manner.

In foretell high stiffness attenuate wrapping bag, add a bag including inside have a bag main part that adds a space, bag main part one end is equipped with and adds an opening that the space is linked together, add a strip including adding a strip main part through opening sliding connection in adding a space.

In foretell high stiffness attenuate wrapping bag, bag main part side has the spacing mouth that is linked together with adding a space, add a main part side salient limiting block, the slip adds a main part and can make the limiting block slide in to limiting mouth.

In foretell high stiffness attenuate wrapping bag, the stopper is close to open-ended one side and is equipped with the spacing boss that can press and establish on spacing mouthful lateral wall, spacing boss through the direction inclined plane with add a very bulk phase and be connected.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses there is high straight membrane that subtracts at the internal surface recombination of film, when guaranteeing the holistic machinability of film, has improved the holistic stiffness of film.

2. The utility model discloses be equipped with to insert in wrapping bag body side and be equipped with the stiffening bag that adds the stiffening strip, can further prevent that the wrapping bag body from taking place folding problem in storage and transportation like this.

Drawings

FIG. 1 is a schematic view of a film structure;

fig. 2 is a schematic structural diagram of the present invention;

FIG. 3 is a cross-sectional view of a stiffening bag;

FIG. 4 is a schematic structural view of a stiffening bar;

in the figure: the packaging bag comprises a film 1, a packaging bag body 2, a high-stiffness thinning film 3, a polyester aluminum-plated layer 4, an outer layer 5, a stiffening bag 6, a stiffening strip 7, a high-density polyethylene layer 31, a low-density polyethylene layer 32, a strength reinforcing layer 33, first reinforcing fibers 34, second reinforcing fibers 35, a stiffening space 61, a bag main body 62, an opening 63, a limiting opening 64, a stiffening strip main body 71, a limiting block 72, a guide inclined plane 73 and a limiting boss 74.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example 1

The embodiment provides a high stiffness attenuate wrapping bag, combines fig. 1 and fig. 2 to show, includes the wrapping bag body 2 that encloses to close by film 1 and form, 1 internal surface fixedly connected with high stiffness attenuate membrane 3 of film, high stiffness attenuate membrane 3 includes high density polyethylene layer 31 and sets up the low density polyethylene layer 32 in high density polyethylene layer 31 both sides, low density polyethylene layer 32 and 1 fixed connection of film, wherein, film 1 still includes the polyester aluminized layer 4 that is made by VMPET on fixed connection low density polyethylene layer 32 and the outer 5 that is made by MOPP on polyester aluminized layer 4 of fixed connection.

The packaging bag body 2 is made of a film 1, the film 1 comprises an outer layer 5, a polyester aluminum-plated layer 4, a low-density polyethylene layer 32, a high-density polyethylene layer 31 and a low-density polyethylene layer 32 from outside to inside in sequence,the outer layer 5 is made of an MOPP film, the MOPP film is an extinction matte film, namely a BOPP matte film, the surface of the matte film is roughened, and light is irradiated in to diffuse reflection, so that a matte effect is achieved; the polyester aluminum-plated layer 4 is made of a VMPET film, the VMPET film refers to a polyester aluminum-plated film, and is applied to a protective film on the packaging of dried and puffed foods such as biscuits and the like and the external packaging of some medicines and cosmetics, so that the internal environment of the packaging bag body 2 can be better ensured to be in a dry state; the low-density polyethylene layers 32 on the two sides respectively play a composite role and are convenient for heat sealing, so that the protection performance of the product is met; the high density polyethylene layer 31 serves to provide stiffness to the film 1 as a whole, and the density of the high density polyethylene layer 31 is greater than 0.95g/cm³Compared with the prior art in which the low-density polyethylene layers 32 on two sides are bonded by the acid resin, the stiffness of the film is obviously improved after the high-density polyethylene layer 31 is replaced by the acid resin, and meanwhile, the thickness of the film can be designed to be thinner, for example, the whole thickness of the high-stiffness thinned film 3 can be designed to be smaller than 30 micrometers.

As shown in fig. 1, at least one strength reinforcing layer 33 is provided in the high density polyethylene layer 31 to increase the strength of the high density polyethylene layer 31.

Specifically, the strength reinforcing layer 33 includes a plurality of first reinforcing fibers 34 parallel to each other and a plurality of second reinforcing fibers 35 parallel to each other, and the first reinforcing fibers 34 and the second reinforcing fibers 35 are vertically interwoven, so that the first reinforcing fibers 34 and the second reinforcing fibers 35 are interwoven to form a strength reinforcing mesh, thereby further improving the overall strength of the film 1, and the specific material of the first reinforcing fibers 34 and the second reinforcing fibers 35 may be organic fibers, such as aramid fibers, orlon fibers, polyester fibers, nylon fibers, vinylon fibers, polypropylene fibers, polyimide fibers, or inorganic fibers, such as carbon fibers, boron fibers, whiskers, asbestos fibers, and metal fibers, as long as the function of further improving the overall strength of the film 1 is achieved.

As shown in fig. 2-4, at least one side of the packaging bag body 2 is provided with a stiffening bag 6, and a stiffening strip 7 is slidably connected in the stiffening bag 6, the utility model discloses be equipped with the stiffening bag 6 that is provided with stiffening strip 7 and can insert in the side of the packaging bag body 2, can further prevent the packaging bag body 2 from taking place folding problem in storage and transportation.

Specifically, the stiffening bag 6 includes a bag main body 62 having a stiffening space 61 therein, an opening 63 communicating with the stiffening space 61 is provided at one end of the bag main body 62, and the stiffening strip 7 includes a stiffening strip main body 71 slidably connected in the stiffening space 61 through the opening 63.

Preferably, the stiffening pockets 6 are arranged in parallel, so that a large resultant force is formed to prevent the package body 2 from being folded.

As shown in fig. 3 and 4, the side surface of the bag main body 62 is provided with a limiting opening 64 communicated with the stiffening space 61, the side surface of the stiffening strip main body 71 protrudes out of the limiting block 72, the limiting block 72 can slide into the limiting opening 64 by sliding the stiffening strip main body 71, and after the stiffening strip main body 71 slides into the bag main body 62, the stiffening strip main body 71 can be prevented from falling off to the outside of the bag main body 62 by the matching of the limiting block 72 and the limiting opening 64.

Preferably, a limiting boss 74 which can be pressed on the side wall of the limiting opening 64 is arranged on one side of the limiting block 72 close to the opening 63, the limiting boss 74 is connected with the stiffening strip main body 71 through a guide inclined plane 73, and the guide inclined plane 73 facilitates the limiting block 72 to be clamped into the limiting opening 64.

Comparative example 1

Get the film commonly used among the prior art that every layer thickness is the same, ordinary PE 100's film and the utility model provides a film 1, measure the stiffness of the two respectively, the experimental result is shown as the following table:

and (4) analyzing results: the two experimental results of contrast can be seen, and film 1 of the same thickness has great promotion compared in the stiffness of ordinary PE 100's film among the prior art, so reached the utility model discloses anticipated purpose.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the film 1, the package bag body 2, the high-stiffness thinned film 3, the polyester aluminum-plated layer 4, the outer layer 5, the stiffening bag 6, the stiffening strip 7, the high-density polyethylene layer 31, the low-density polyethylene layer 32, the strength reinforcing layer 33, the first reinforcing fibers 34, the second reinforcing fibers 35, the stiffening space 61, the bag body 62, the opening 63, the limiting opening 64, the stiffening strip body 71, the limiting block 72, the guiding inclined plane 73, the limiting boss 74 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a high stiffness attenuate wrapping bag, includes and encloses wrapping bag body (2) that close and form by film (1), its characterized in that: the inner surface of the film (1) is fixedly connected with a high-stiffness reduction film (3), the high-stiffness reduction film (3) comprises a high-density polyethylene layer (31) and low-density polyethylene layers (32) arranged on two sides of the high-density polyethylene layer (31), and the low-density polyethylene layers (32) are fixedly connected with the film (1).

2. The high stiffness reduced package of claim 1, wherein: the high density polyethylene layer (31) has a density of more than 0.95g/cm³。

3. The high stiffness reduced package of claim 1, wherein: the thickness of the high-stiffness thin film (3) is less than 30 mu m.

4. The high stiffness reduced package of claim 1, wherein: the film (1) further comprises a polyester aluminized layer (4) made of VMPET fixedly connected to the low-density polyethylene layer (32) and an outer layer (5) made of MOPP fixedly connected to the polyester aluminized layer (4).

5. The high stiffness reduced package of claim 1, wherein: at least one layer of strength reinforcing layer (33) capable of improving the strength of the high-density polyethylene layer (31) is arranged in the high-density polyethylene layer (31).

6. The high stiffness reduced package of claim 5, wherein: the strength reinforcing layer (33) comprises a plurality of first reinforcing fibers (34) which are parallel to each other and a plurality of second reinforcing fibers (35) which are parallel to each other, and the first reinforcing fibers (34) and the second reinforcing fibers (35) are vertically interwoven with each other.

7. The high stiffness reduced package of claim 1, wherein: at least one side surface of the packaging bag body (2) is provided with a stiffening bag (6), and a stiffening strip (7) is connected in the stiffening bag (6) in a sliding manner.

8. The high stiffness reduced package of claim 7, wherein: add very bag (6) including inside have bag main part (62) that adds very space (61), bag main part (62) one end is equipped with and adds opening (63) that very space (61) is linked together, add very strip (7) including adding very strip main part (71) through opening (63) sliding connection in adding very space (61).

9. The high stiffness reduced package of claim 8, wherein: the side surface of the bag main body (62) is provided with a limiting opening (64) communicated with the stiffening space (61), the side surface of the stiffening strip main body (71) protrudes out of a limiting block (72), and the limiting block (72) can slide into the limiting opening (64) by sliding the stiffening strip main body (71).

10. The high stiffness reduced package of claim 9, wherein: one side of the limiting block (72) close to the opening (63) is provided with a limiting boss (74) which can be pressed on the side wall of the limiting opening (64), and the limiting boss (74) is connected with the stiffening strip adding main body (71) through a guide inclined plane (73).