CN214493986U

CN214493986U - Valveless single-outer-layer exhaust double-layer packaging bag

Info

Publication number: CN214493986U
Application number: CN202120035225.6U
Authority: CN
Inventors: 张迎波
Original assignee: Tsud Zhongshan Packaging Co ltd
Current assignee: Tsud Zhongshan Packaging Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-10-26
Anticipated expiration: 2031-01-07

Abstract

The utility model discloses a double-deck wrapping bag of single outer exhaust of valveless type relates to double-deck wrapping bag technical field. The utility model discloses an outer bag, inner bag, and the inner bag is installed in the outer bag, is equipped with back of the body banding, a end banding, two K type heat banding between outer bag and the inner bag, and two exhaust micropores have all been seted up to the relative both sides of outer bag. The utility model discloses a be equipped with back of the body banding between outer bag and inner bag, a end banding, two K type heat seal edges, two exhaust micropores have all been seted up to the relative both sides of outer bag, two corresponding sides of outer bag all are equipped with the organ hem, inner bag sack department inboard is equipped with the inner liner, outer bag sack department outside is equipped with outer complex film, outer bag, be equipped with a plurality of heat-seal dots between the inner bag, need not additionally install discharge valve, the environmental protection is practiced thrift, and be favorable to the wrapping bag to use the back recovery, the outward appearance is succinctly beautiful, M limit bottom handing-over department, back of the body banding does not have the hot melt adhesive and spills over, safety and reliability.

Description

Valveless single-outer-layer exhaust double-layer packaging bag

Technical Field

The utility model belongs to the technical field of double-deck wrapping bag, especially, relate to a valveless type list outer exhaust double-deck wrapping bag.

Background

The packaging bag is a bag for packaging various articles, so that the goods are convenient to transport and easy to store in the production flow process. Is widely used in daily life and industrial production.

However, after the packaging bags are produced, the exhaust valves are manually added one by one, so that the efficiency is low, and the manual operation is easy to make mistakes.

The double-layer packaging bag is additionally provided with the exhaust valve, the inner and outer layers of films need to be punched to form an air exhaust channel, the smell of the contents in the packaging bag can be exhausted, and the product fragrance is not favorably kept.

The whole packaging bag is multiple in manufacturing process and low in production efficiency, and hot melt adhesive is applied to part of heat sealing point positions, so that the safety of food packaging is threatened.

Disclosure of Invention

The utility model aims to provide a valveless single-outer-layer exhaust double-layer packaging bag, through being equipped with back seal edge, a bottom seal edge, two K-type heat seal edges between outer bag and inner bag, two opposite sides of outer bag are all equipped with two exhaust micropores, two corresponding sides of outer bag are all equipped with organ folds, the inner side of inner bag mouth is equipped with inner liner layer, the outer side of outer bag mouth is equipped with outer composite film, be equipped with a plurality of heat-seal dots between outer bag and inner bag, no extra exhaust valve is needed, environmental protection and saving, and be favorable for recycling after the packaging bag is used, the appearance is simple and beautiful, M side bottom edge joint, back seal edge does not overflow hot melt adhesive, safety and reliability, single-outer layer exhaust, inner bag keeps its integrity, and has the function that the customer needs to keep the fragrance of the content, be dampproofing and need to get rid of gas and conveniently pile up neatly, one-time shaping is accomplished on the whole packaging bag equipment, the time and cost of several subsequent manual operations are saved, the problems in the prior art are solved.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

a valveless single outer layer exhaust double-layer packaging bag comprises an outer bag and an inner bag, wherein the inner bag is arranged in the outer bag;

be equipped with back of the body banding, end banding, two K type heat seal between outer bag and the inner bag, two exhaust micropores have all been seted up to the relative both sides of outer bag, and two corresponding sides of outer bag all are equipped with the organ hem, and inner bag sack department inboard is equipped with the inner liner, and outer sack department outside is equipped with outer complex film, is equipped with a plurality of heat-seal dot between outer bag, the inner bag.

Optionally, the heat-sealing dots are located at the bag mouths of the outer bag and the inner bag.

Optionally, the back sealing edge is located outside the inner bag.

Optionally, the bottom sealing edge is sleeved on the opposite outer side of the inner bag.

Optionally, the two air exhaust micro holes are located on two sides of the back seal edge.

Optionally, two K-shaped heat-sealing edges are located on two sides of the inner bag.

The embodiment of the utility model has the following beneficial effect:

the utility model discloses an embodiment is through being equipped with the back of the body banding between outer bag and inner bag, a end banding, two K type heat seal edges, two exhaust micropores have all been seted up to the relative both sides of outer bag, two corresponding sides of outer bag all are equipped with the organ hem, inner bag sack department inboard is equipped with the inner liner, outer bag sack department outside is equipped with outer complex film, the outer bag, be equipped with a plurality of heat-seal dots between the inner bag, need not additionally install discharge valve, the environmental protection is practiced thrift, and be favorable to the wrapping bag to retrieve after using, the outward appearance is succinctly beautiful, M limit bottom handing-over department, the back of the body banding does not have the hot melt adhesive to spill over, safety and reliability, single outer exhaust, the inner bag keeps its integrity, it needs to keep content fragrant smell concurrently, dampproofing and need get rid of the function of the convenient pile up neatly of gas, one shot forming is accomplished on the whole wrapping bag equipment, save several steps of follow-up manual operation's time and cost.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Wherein the figures include the following reference numerals:

the sealing structure comprises a back sealing edge 1, a bottom sealing edge 2, exhaust micropores 3, an inner liner layer 4, a K-shaped heat sealing edge 5, an outer layer composite film 6, an organ folding edge 7, heat sealing dots 8, an outer bag 9 and an inner bag 10.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

Referring to fig. 1, in the present embodiment, a valveless single outer layer double layer exhaust packaging bag is provided, which includes: an outer bag 9 and an inner bag 10, wherein the inner bag 10 is arranged in the outer bag 9;

be equipped with back of the body banding 1, a end banding 2, two K type heat-seal limit 5 between outer bag 9 and the inner bag 10, two exhaust micropores 3 have all been seted up to the relative both sides of outer bag 9, and two pairs of corresponding sides of outer bag 9 all are equipped with organ hem 7, and inner bag 10 sack department inboard is equipped with inner liner 4, and outer bag 9 sack department outside is equipped with outer complex film 6, is equipped with a plurality of heat-seal dot 8 between outer bag 9, the inner bag 10.

A back seal edge 1, a bottom seal edge 2 and two K-shaped heat seal edges 5 are arranged between an outer bag 9 and an inner bag 10, two exhaust micropores 3 are respectively arranged at two opposite sides of the outer bag 9, organ folding edges 7 are respectively arranged at two corresponding side edges of the outer bag 9, an inner liner 4 is arranged at the inner side of the opening of the inner bag 10, an outer composite film 6 is arranged at the outer side of the opening of the outer bag 9, a plurality of heat seal round points 8 are arranged between the outer bag 9 and the inner bag 10, no exhaust valve is additionally arranged, the environment is protected, and the energy is saved, the packaging bag is convenient to recycle after use, the appearance is simple and attractive, the M edge bottom edge joint is free from hot melt adhesive overflow, the packaging bag is safe and reliable, the single outer layer exhausts air, the inner bag keeps integrity, the functions that a client needs to keep the fragrance of contents, prevent moisture and remove air to facilitate stacking are achieved, the whole packaging bag equipment is formed in one step, and time and cost of subsequent manual operation are saved.

The heat sealing dots 8 of the embodiment are positioned at the bag openings of the outer bag 9 and the inner bag 10.

The back seal 1 of the present embodiment is located outside the inner bag 10.

The bottom seal 2 of this embodiment is fitted over the opposite outer side of the inner bag 10.

The two air exhaust micropores 3 of the present embodiment are located at both sides of the back sealing edge 1.

The two K-shaped heat seal edges 5 of this embodiment are located on both sides of the inner bag 10.

The inner layer film and the outer layer film are unreeled through an upper reeling frame and a lower reeling frame of equipment, 1 or a plurality of exhaust micropores are punched on the outer layer film by using a needle type puncher in my department before the two layers of films are combined, the two layers of films are heat-sealed by using a heat-sealing circular point knife in my department at the combination position of the two layers of films, then the two layers of films are folded into an accordion bag with M edges according to specific size requirements (the accordion bag can be a square package after being unfolded), the back edge is heat-sealed, the bottom edge is heat-sealed, the K-shaped edge is heat-sealed, and the bag with the sealed back edge and the sealed bottom edge is cut according to the pattern or the bag length, so that the double-layer bag which can exhaust in one-step forming is formed. The whole double-layer packaging bag with the exhaust function is completed on the bag making equipment of the department at one time, at least three post processes are saved, the cost is saved, the production efficiency is improved, and the quality stability is improved

The above embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Claims

1. The utility model provides a double-deck wrapping bag of single outer layer exhaust of valveless type which characterized in that includes: an outer bag (9) and an inner bag (10), wherein the inner bag (10) is arranged in the outer bag (9);

be equipped with between outer bag (9) and inner bag (10) back of the body banding (1), a end banding (2), two K type heat seal (5), two exhaust micropores (3) have all been seted up to outer bag (9) relative both sides, outer bag (9) two correspond the side all is equipped with organ hem (7), inner bag (10) sack department inboard is equipped with inner liner (4), outer bag (9) sack department outside is equipped with outer complex film (6), be equipped with a plurality of heat-seal dot (8) between outer bag (9), inner bag (10).

2. The valveless single outer layer double layer exhaust packaging bag according to claim 1, wherein the heat sealing dots (8) are positioned at the bag mouths of the outer bag (9) and the inner bag (10).

3. The single outer vented double bag of valveless type according to claim 2, wherein the back seal (1) is located outside the inner bag (10).

4. The valveless single outer layer double layer exhaust packaging bag according to claim 3, wherein the bottom seal (2) is provided on the opposite outer side of the inner bag (10).

5. The valve-less single outer layer vented double layer packaging bag according to claim 4, wherein the two venting micropores (3) are located on both sides of the back seal edge (1).

6. A valveless single outer layer double layer exhaust packaging bag according to claim 5, wherein two K-type heat seal (5) are located on both sides of the inner bag (10).