CN113263776A - Large-tonnage bag and processing method thereof - Google Patents
Large-tonnage bag and processing method thereof Download PDFInfo
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- CN113263776A CN113263776A CN202110571723.7A CN202110571723A CN113263776A CN 113263776 A CN113263776 A CN 113263776A CN 202110571723 A CN202110571723 A CN 202110571723A CN 113263776 A CN113263776 A CN 113263776A
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- outer net
- bag
- tonnage
- transition section
- bladder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B70/20—Cutting sheets or blanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
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Abstract
The invention discloses a large-tonnage bag and a processing method thereof, wherein the bag comprises an inner bag and an outer net, the inner bag and the outer net both comprise a bag body, a transition section and an end head, wherein the length of an inner arc and an outer arc of the transition section is respectively equal to the perimeter of the end head and the bag body. By additionally arranging the transition section, the bags are in transition connection naturally, the stress of the bags is more uniform, and the problem that the traditional bag cannot reach the design height and capacity due to the fact that a stress concentration area is easily generated is solved; the capsule can be filled with any one of water, oil and powder, and has wide adaptability; the outer net of the end head adopts wide and narrow band horizontal interval quilting, the narrow bands on the left and right end heads are connected in the middle of the capsule body to form a strip girdle band, and the production efficiency is high; quilting the outer net transition section on the forming die to ensure accuracy; and the application can be used in a single layer without an outer bag.
Description
Technical Field
The invention relates to the field of capsule manufacturing, in particular to a large-tonnage capsule and a processing method thereof.
Background
The bag is made of flexible sealing material, water is filled in the large-tonnage bag in the prior art, an inlet and outlet valve is mounted on the bag, liquid and powder are naturally raised under the action of gravity, pressure and surface tension of the bag after being injected through the valve, the traditional bag (bag) in the market is designed and processed into a rectangular or square body by simple cutting, the height of the bag (bag) is higher, the more liquid is contained, the better economic benefit is, and the smaller the occupied area is. The square bag formed by processing the flexible material is actually not formed into an ideal design square after being filled with liquid, a stress concentration area is naturally formed at the corner, the design height and the capacity cannot be reached due to uneven stress, and meanwhile, the risk of damage at any time is caused because the stress concentration is greater than that of the material.
Disclosure of Invention
The invention provides a large-tonnage bag with a natural transition curved surface and a processing method thereof, the traditional large-tonnage bag is easy to form a stress concentration area at the corner, so that the problems of design height and capacity cannot be achieved, the height can reach 3.5-4 meters usually, and the capacity can reach over 300-500 tons.
In order to achieve the purpose, the invention adopts the following technical scheme:
a large-tonnage bag comprises an inner bag and an outer net, wherein the inner bag and the outer net respectively comprise a bag body, a transition section and an end head, the bag body and the end head are connected through the transition section, and a curved surface space is formed after splicing.
Preferably, the large-tonnage bag is filled with any one of water, oil and powder.
Preferably, the bag body of the outer net is quilted by a plurality of woven belts with the width of more than 30 centimeters, the transition section is a woven belt with the width of 20-30 centimeters, the end heads are quilted by a horizontal wide belt with the width of 30 centimeters and a horizontal narrow belt with the width of 10 centimeters at intervals, the lofting length of the end parts of the horizontal wide belt is increased by 20-30 centimeters at the two ends of the horizontal wide belt for connecting the quilting on the transition section, the end parts are horizontally fixed with vertical narrow belts, and the narrow belts on the left end head and the right end head are connected in the middle of the bag body to form a strip-shaped ring belt.
Preferably, the end of the outer net, the transition section and the bag body are provided with hot melting holes for the narrow bands to pass through.
Preferably, the inner bag and the outer net are fixed through positioning belts, and the positioning belts are arranged at two ends and in the middle of the large-tonnage bag.
Preferably, the length of the inner arc of the transition section is equal to the circumference of the end, the length of the outer arc of the transition section is equal to the circumference of the bag body, and the transition section comprises a plurality of sections which are spliced.
A processing method of a large-tonnage bag comprises the following steps:
s1, processing the inner bag and the outer net, wherein the processing process comprises the following steps:
s11, three-dimensional shaping design;
s12, flat unfolding and lofting;
s13, cutting and blanking the transition section;
s14, splicing;
s15, checking the sealing performance of the inner bag;
s2, assembling the outer net and the inner bag;
and S3, checking inflation.
Preferably, the outer mesh size is reduced by 5-10% of the inner capsule size; the transition section of the outer net is quilted and spliced on the moulding bed; when the outer net is quilted and spliced, two adjacent woven belts are overlapped for more than 2 centimeters, and the bag body is quilted for more than 2 quilts.
Preferably, the outer net is coated with a protective film.
Preferably, the outer net comprises a left outer net and a right outer net which are symmetrically arranged, the inner bag is arranged in the left and right outer nets firstly when the outer net and the inner bag are assembled, and then the left and right outer nets are butted and quilted to form the complete bag.
Due to the structure, the invention has the advantages that:
1. according to the invention, the transition section is additionally arranged between the capsule body and the end head, so that the capsules are in transition connection naturally, the stress of the capsules is more uniform, and the problem that the traditional large-tonnage capsules are easy to form stress concentration areas at corners, so that the design height and the capacity cannot be reached is solved;
2. when the outer net bag body is quilted and spliced, the two adjacent woven belts are overlapped, so that the bag body is not easy to crack, and the reliability of the bag is enhanced;
3. the outer net of the end head adopts wide and narrow band horizontal interval quilting, and the narrow bands on the left and right end heads are connected in the middle of the capsule body to form a strip girdle band, thereby greatly improving the production efficiency and shortening the production period;
4. the openings on the end head, the transition section and the capsule body adopt hot melting holes, so that burrs are avoided, and the reliability and the attractiveness of the capsule are improved;
5. the outer net transition section is quilted on the forming die, so that the accuracy can be ensured;
6. can be used in a single layer without an outer bag.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a schematic view of the overall structure of a large tonnage bladder of the present invention;
FIG. 2 is a schematic view of the inner bag lofting and blanking of the present invention;
FIG. 3 is a schematic structural view of the outer mesh bag body of the present invention;
FIG. 4 is a schematic view of the outer mesh bag body of the present invention;
FIG. 5 is a schematic diagram showing the connection relationship of the parts of the present invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the embodiment provides a large-tonnage bladder, which includes an inner bladder and an outer net, wherein the inner bladder and the outer net both include a bladder body 1, a transition section 3, an end head 2, and a valve (pressure monitoring system) 4, and the bladder body 1 and the end head 2 are connected by the transition section 3 to form a curved space after being spliced.
In this embodiment, the large-tonnage bladder is filled with any one of water, oil and powder.
In this embodiment, the bag body 1 of the outer net is quilted with a woven belt with a width of more than 30 centimeters, the transition section 3 of the outer net is a woven belt with a width of 20-30 centimeters, the end 2 of the outer net is quilted with a horizontal wide belt 5 of 30 centimeters and a horizontal narrow belt 6 of 10 centimeters at intervals, two ends of the horizontal wide belt 5 are added with 20-30 centimeters on the lofting length of the end part to form a horizontal belt quilting section 7 for connecting the quilting on the transition section, a vertical narrow belt 8 is fixed on the horizontal end part, the horizontal narrow belt 6 and the vertical narrow belt 8 are arranged in a warp-weft interweaving manner, narrow belts on the left end head 2 and the right end head 2 are connected in the middle of the bag body to form a strip ring belt, and the end heads, the transition sections and the bag body are connected together. The width of the woven tape is not limited, and woven tapes having other widths may be used.
In this embodiment, the outer net end 2, the transition section 3 and the bag body 1 are all provided with hot melting holes for the narrow bands to pass through.
In this embodiment, the inner bag and the outer net are fixed by positioning belts, and the positioning belts are arranged at two ends and multiple positions of the large-tonnage bag.
In the present embodiment, the length of the inner arc of the transition section 3 is equal to the circumference of the tip 2, and the length of the outer arc of the transition section 3 is equal to the circumference of the bag body 1.
The embodiment also provides a processing method of the large-tonnage bag, which comprises the following steps:
s1, processing the inner bag and the outer net, wherein the processing process comprises the following steps:
s11, three-dimensional shaping design;
s12, flat unfolding and lofting;
s13, cutting and blanking the transition section;
s14, splicing;
s15, checking the sealing performance of the inner bag;
s2, assembling the outer net and the inner bag;
and S3, checking inflation.
In this example, the outer mesh size is reduced by 5-10% in the inner pouch size; the transition section 3 of the outer net is quilted and spliced on the moulding bed, so that the accuracy can be ensured; when the bag body 1 of the outer net is quilted and spliced, the lap joint between two adjacent woven belts is more than 2 centimeters, and the quilting seam of the bag body is more than 2.
In this embodiment, in order to save material and reduce loss, the transition section 3 is cut into several sections during blanking, and then spliced into an inner bag (the inner bag and the outer net are the same), as shown in fig. 2 (fig. 2 is a lofting drawing of the inner bag, and the lofting of the outer net refers to the drawing, except that the size of the outer net is reduced by 5-10% on the size of the inner bag).
In this embodiment, a protective film may be sprayed on the outer screen for anti-aging and wear-resistance.
In this embodiment, the outer net includes a left outer net and a right outer net, which are symmetrically arranged, and the inner bag is first installed in the left and right outer nets during assembly, and then the left and right outer nets are butt-jointed and quilted to be fixed, so as to form a complete bag.
According to the large-tonnage bag, the transition section is additionally arranged between the bag body and the end head, so that the bag is in transition connection naturally, the stress of the bag is more uniform, and the problem that the traditional large-tonnage bag is easy to form a stress concentration area at the corner, so that the design height and the capacity cannot be achieved is solved; when the outer net bag body is quilted and spliced, the two adjacent woven belts are overlapped, so that the bag body is not easy to crack, and the reliability of the bag is enhanced; the end external net adopts wide and narrow bands to horizontally sew at intervals, and the narrow bands on the left and right ends are connected in the middle of the capsule body to form a strip girdle band, thereby greatly improving the production efficiency and shortening the production period; the outer net end, the transition section and the bag body are provided with holes through hot melting, so that burrs are avoided, and the reliability and the attractiveness of the bag are improved; and the application can be used in a single layer without an outer bag.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A large-tonnage bag comprises an inner bag and an outer net, and is characterized in that: the inner bag and the outer net both comprise bag bodies, transition sections and end heads, the bag bodies and the end heads are connected through the transition sections, and a curved surface space is formed after splicing.
2. The large-tonnage bladder of claim 1, wherein: any one of water, oil and powder is filled in the large-tonnage bag.
3. The large-tonnage bladder of claim 1, wherein: the bag body of the outer net is formed by quilting a plurality of woven belts with the width of more than 30 centimeters, the transition section is formed by the woven belts with the width of 20-30 centimeters, the end heads are formed by quilting horizontal wide belts with the width of 30 centimeters and horizontal narrow belts with the width of 10 centimeters at intervals, the length of lofting of the end parts of the two ends of the horizontal wide belts is increased by 20-30 centimeters and used for connecting the quilting on the transition section, the end parts are horizontally fixed with vertical narrow belts, and the narrow belts on the left end head and the right end head are connected in the middle of the bag body to form a strip-shaped girdle belt.
4. The large tonnage bladder of claim 3, wherein: and the outer net end head, the transition section and the bag body are all provided with hot melting holes for the narrow bands to pass through.
5. The large-tonnage bladder of claim 1, wherein: the inner bag and the outer net are fixed through a positioning belt.
6. The large-tonnage bladder of claim 1, wherein: the length of the inner arc of the transition section is equal to the perimeter of the end, the length of the outer arc of the transition section is equal to the perimeter of the bag body, and the transition section comprises a plurality of sections which are spliced.
7. The method for processing a large-tonnage bladder according to any of claims 1 to 6, wherein: the method comprises the following steps:
s1, processing the inner bag and the outer net, wherein the processing process comprises the following steps:
s11, three-dimensional shaping design;
s12, flat unfolding and lofting;
s13, cutting and blanking the transition section;
s14, splicing;
s15, checking the sealing performance of the inner bag;
s2, assembling the outer net and the inner bag;
and S3, checking inflation.
8. The method for processing the large-tonnage bladder according to claim 7, wherein: the size of the outer net is reduced by 5-10% of the size of the inner sac; the transition section of the outer net is quilted and spliced on the moulding bed; when the outer net is quilted and spliced, two adjacent woven belts are overlapped for more than 2 centimeters, and the bag body is quilted for more than 2 quilts.
9. The method for processing the large-tonnage bladder according to claim 7, wherein: and a protective film is sprayed on the outer net.
10. The method for processing the large-tonnage bladder according to claim 7, wherein: the outer net comprises a left outer net and a right outer net which are symmetrically arranged, the inner bag is firstly arranged in the left outer net and the right outer net when the outer net and the inner bag are assembled, and then the left outer net and the right outer net are butted, quilted and fixed to form a complete bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110571723.7A CN113263776A (en) | 2021-05-25 | 2021-05-25 | Large-tonnage bag and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110571723.7A CN113263776A (en) | 2021-05-25 | 2021-05-25 | Large-tonnage bag and processing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113263776A true CN113263776A (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110571723.7A Withdrawn CN113263776A (en) | 2021-05-25 | 2021-05-25 | Large-tonnage bag and processing method thereof |
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Application publication date: 20210817 |
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