CN212171554U

CN212171554U - Three-layer aluminum foil bag of new energy battery

Info

Publication number: CN212171554U
Application number: CN202020538601.9U
Authority: CN
Inventors: 邵清泉; 邵依云; 叶旭玲; 洪晓鸣; 邵金辉
Original assignee: Wuxi Qiming Packaging Material Co ltd
Current assignee: Wuxi Qiming Packaging Material Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-12-18
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a three laminar aluminium foil bags of new energy battery, including upper strata, lower floor and bottom self-reliance layer, upper strata, lower floor and bottom self-reliance layer all include the outer jacket, mesophragma layer and the heat-seal layer that set gradually from outside to inside, the outer jacket is the biaxial stretching polyester film layer, biaxial stretching polyamide thin layer and the polyethylene layer that set gradually from outside to inside, well interlayer is the aluminium foil layer, the heat-seal layer is curtain coating polypropylene thin layer, upper strata, lower floor and bottom self-reliance layer all outside-in loops through biaxial stretching polyester film layer, biaxial stretching polyamide thin layer, polyethylene layer, aluminium foil layer and the compound pasting of curtain coating polypropylene thin layer and form, upper strata, lower floor and bottom self-reliance layer are scalded in the outward flange heat-seal through respective heat-seal layer and are closed. The utility model discloses the holding capacity that can effectual increase aluminium foil bag has good separation nature, heat-sealability, and the evacuation heat-seal of the later stage aluminium foil bag of being convenient for seals the operation.

Description

Three-layer aluminum foil bag of new energy battery

Technical Field

The utility model belongs to the technical field of the aluminium foil bag, concretely relates to three laminar aluminium foil bags of new forms of energy battery.

Background

The vacuum package is based on the principle that the existence of mold and yeast needs oxygen, and the oxygen in the package bag and food cells is pumped out to make the micro-objects lose the living environment.

The aluminum foil bag for lithium iron phosphate cathode material battery powder canning packing of prior art does not have good heat sealability and separation performance, can not effectual realization increase-volume filling, because the aluminum foil bag does not have self-reliance performance during the filling moreover, the filling is inconvenient, and the filling opening is great, seals comparatively difficultly.

Therefore, the new energy battery three-layer aluminum foil bag which can effectively increase the containing capacity of the aluminum foil bag, has good barrier property and heat sealing property and is convenient for the vacuumizing heat sealing operation of the aluminum foil bag at the later stage is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three laminar aluminium foil bags of new energy battery to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a three laminar aluminium foil bags of new energy battery, includes upper strata, lower floor and bottom self-reliance layer, upper strata, lower floor and bottom self-reliance layer all include outer jacket, mesophragma layer and the heat-seal layer that sets gradually from outer to inner, the outer jacket is the biaxial stretching polyester thin layer, biaxial stretching polyamide thin layer and the polyethylene layer that set gradually from outer to inner, well interlayer is the aluminium foil layer, the heat-seal layer is curtain coating polypropylene thin layer, upper strata, lower floor and bottom self-reliance layer all outside-in loops through biaxial stretching polyester thin layer, biaxial stretching polyamide thin layer, polyethylene layer, aluminium foil layer and curtain coating polypropylene thin layer complex and pastes and form, upper strata, lower floor and bottom self-reliance layer scald through respective heat-seal layer in the outward flange heat-seal and close.

Preferably, the upper layer and the lower layer are both in a convex structure.

Preferably, in the biaxially oriented polyester film layer, the biaxially oriented polyamide film layer, the polyethylene layer, the aluminum foil layer and the cast polypropylene film layer, two film layer surfaces which are attached to each other are adhered with an adhesive.

Preferably, the outer edges of the upper layer, the lower layer and the bottom self-standing layer are heat-sealed and hot-pressed to leave a filling opening, and the filling opening is positioned at one end far away from the bottom self-standing layer.

Preferably, an easy-tearing arc opening is formed in the outer edge and at one end far away from the bottom self-standing layer.

Preferably, the bottom free-standing layer is oval after being unfolded.

The utility model discloses a technological effect and advantage: the bottom self-supporting layer with the oval bottom is arranged on the three-layer aluminum foil bag of the new energy battery, so that the whole aluminum foil bag has self-supporting performance, the filling of battery powder in the aluminum foil bag is convenient, compared with the aluminum foil bag without a self-supporting structure, the capacity of the aluminum foil bag can be effectively increased, because the aluminum foil bag is formed by compounding and pasting the biaxially oriented polyester film layer, the biaxially oriented polyamide film layer, the polyethylene layer, the aluminum foil layer and the cast polypropylene film layer in sequence from outside to inside, make the aluminium foil bag have good separation nature, heat sealability, hide optical activity, high temperature resistant, low temperature resistant, oil resistance, fragrance preserving, nontoxic tasteless and the good characteristics of compliance, still have good dampproofing and corrosion resisting properties, with the big opening of traditional aluminium foil bag, change for the width that compares and hold the chamber filling opening that is less relatively, the later stage of being convenient for is to filling open-ended evacuation heat-seal sealing operation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

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

fig. 3 is a schematic structural diagram of the outer passivation layer in fig. 2 according to the present invention.

In the figure: 1. an upper layer; 2. a lower layer; 3. a bottom free-standing layer; 4. an outer jacket; 5. a middle barrier layer; 6. a heat seal layer; 7. biaxially stretching the polyester film layer; 8. a biaxially oriented polyamide film layer; 9. a polyethylene layer; 10. an outer edge; 11. filling the opening; 12. the arc mouth is easy to tear.

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.

The utility model provides a new forms of energy battery three-layer type aluminium foil bag as shown in fig. 1-3, including upper strata 1, lower floor 2 and bottom self-reliance layer 3, upper strata 1 and lower floor 2 are the type structure of doglegging, bottom self-reliance layer 3 is oval after expanding, sets up the bottom to be oval bottom self-reliance layer 3 makes whole aluminium foil bag have self-reliance nature, makes things convenient for the filling of battery powder in the aluminium foil bag, compares with the aluminium foil bag that does not have self-reliance structure, can the effectual holding capacity that increases the aluminium foil bag;

upper strata 1, lower floor 2 and bottom self-supporting layer 3 all include outer jacket 4, well interlayer 5 and the heat-seal layer 6 that set gradually from outside to inside, outer jacket 4 is the biaxial stretching polyester film layer 7, biaxial stretching polyamide film layer 8 and the polyethylene layer 9 that set gradually from outside to inside, well interlayer 5 is the aluminium foil layer, heat-seal layer 6 is curtain coating polypropylene film layer, upper strata 1, lower floor 2 and bottom self-supporting layer 3 all loop through the compound pasting of biaxial stretching polyester film layer 7, biaxial stretching polyamide film layer 8, polyethylene layer 9, aluminium foil layer and curtain coating polypropylene film layer from outside to inside, in biaxial stretching polyester film layer 7, biaxial stretching polyamide film layer 8, polyethylene layer 9, aluminium foil layer and curtain coating polypropylene film layer, two film aspect of laminating mutually have the adhesive, upper strata 1, lower floor 2 and bottom self-supporting layer 3 are all with, The lower layer 2 and the bottom self-supporting layer 3 are hot-sealed and ironed at the outer edge 10 through respective heat-sealing layers 6, and the aluminum foil bag is formed by compounding and pasting a biaxially oriented polyester film layer 7, a biaxially oriented polyamide film layer 8, a polyethylene layer 9, an aluminum foil layer and a cast polypropylene film layer in sequence from outside to inside, so that the aluminum foil bag has the characteristics of good barrier property, heat sealing property, optical activity, high temperature resistance, low temperature resistance, oil resistance, aroma retention property, no toxicity, no odor and good flexibility, and also has good moisture resistance and corrosion resistance;

the utility model discloses a solar cell, including upper 1, lower floor 2 and bottom self-reliance layer 3, the outward flange 10 heat-seal of upper strata 2 and bottom self-reliance layer 3 scalds and closes the back and leaves filling opening 11, filling opening 11 is located the one end of keeping away from bottom self-reliance layer 3, the outward flange 10 is gone up and is located the one end of keeping away from bottom self-reliance layer 3 and is equipped with and easily tears arc 12, with the big opening of traditional aluminium foil bag, changes for comparing the width that holds the chamber filling opening 11 that is less relatively, and the later stage of being convenient for seals the operation to filling opening 11's evacuation heat-seal, sets up and easily tears arc 12, tears the packing when making.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a new energy battery three-layer type aluminium foil bag, includes upper strata (1), lower floor (2) and bottom self-reliance layer (3), its characterized in that: the upper layer (1), the lower layer (2) and the bottom self-supporting layer (3) comprise an outer protective layer (4), a middle partition layer (5) and a heat sealing layer (6) which are arranged in sequence from outside to inside, the outer protective layer (4) is a two-way stretching polyester film layer (7), a two-way stretching polyamide film layer (8) and a polyethylene layer (9) which are arranged from outside to inside in sequence, the middle interlayer (5) is an aluminum foil layer, the heat sealing layer (6) is a cast polypropylene film layer, the upper layer (1), the lower layer (2) and the bottom self-supporting layer (3) are all compounded and adhered from outside to inside in sequence through a biaxially oriented polyester film layer (7), a biaxially oriented polyamide film layer (8), a polyethylene layer (9), an aluminum foil layer and a cast polypropylene film layer, the upper layer (1), the lower layer (2) and the bottom self-supporting layer (3) are sealed and ironed at the outer edge (10) through respective heat sealing layers (6).

2. The three-layer aluminum foil bag of the new energy battery according to claim 1, wherein: the upper layer (1) and the lower layer (2) are both of a convex structure.

3. The three-layer aluminum foil bag of the new energy battery according to claim 1, wherein: in the biaxially oriented polyester film layer (7), the biaxially oriented polyamide film layer (8), the polyethylene layer (9), the aluminum foil layer and the cast polypropylene film layer, two film layer surfaces which are attached to each other are adhered with an adhesive.

4. The three-layer aluminum foil bag of the new energy battery according to claim 1, wherein: and filling openings (11) are reserved after the outer edges (10) of the upper layer (1), the lower layer (2) and the bottom self-standing layer (3) are sealed and ironed, and the filling openings (11) are positioned at one ends far away from the bottom self-standing layer (3).

5. The three-layer aluminum foil bag of the new energy battery according to claim 1, wherein: an easy-tearing arc opening (12) is formed in one end, far away from the bottom self-standing layer (3), of the outer edge (10).

6. The three-layer aluminum foil bag of the new energy battery according to claim 1, wherein: the bottom self-standing layer (3) is oval after being unfolded.