CN112373959A - Food bag with multilayer protective gas and production process thereof - Google Patents
Food bag with multilayer protective gas and production process thereof Download PDFInfo
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- CN112373959A CN112373959A CN202011202017.7A CN202011202017A CN112373959A CN 112373959 A CN112373959 A CN 112373959A CN 202011202017 A CN202011202017 A CN 202011202017A CN 112373959 A CN112373959 A CN 112373959A
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- bag
- food bag
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
- B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
- B65D81/2023—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum in a flexible container
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
- B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
- B65D21/0201—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together side-by-side
- B65D21/0204—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together side-by-side and joined together by interconnecting formations forming part of the container, e.g. dove-tail, snap connections, hook elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/02—Local reinforcements or stiffening inserts, e.g. wires, strings, strips or frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
Abstract
The invention discloses a food bag with multilayer protective gas, which comprises a food bag, wherein two end surfaces of the food bag are fixedly connected with transverse edge connecting members, the other two end surfaces of the food bag are fixedly connected with longitudinal edge connecting members, the inner side of the food bag is provided with a reinforcing structure, and the reinforcing structure is internally connected with a limiting mechanism.
Description
Technical Field
The invention relates to the field of food packaging, in particular to a food bag with multilayer protective gas and a production process thereof.
Background
A food packaging bag is a packaging design, and is convenient for keeping food fresh and storing in life, so that a product packaging bag is produced. The food packaging bag refers to a film container which is directly contacted with food and is used for containing and protecting the food.
Food is directly exposed in the air and is easy to rot and deteriorate, in order to preserve freshness and prevent corrosion of food, the food is generally filled into a prepackage (a packaging bag, a can and the like), and then vacuumized and sealed or filled with inert gas (nitrogen, carbon dioxide and the like) for treatment, so that the food can be isolated from oxygen and can not be contacted with the outside air, and certain purposes of preservation and corrosion can be achieved, the food appearance is often deformed due to the influence of air pressure in the traditional vacuum packaging mode, the attractiveness of the food is influenced, but the freshness and corrosion prevention purposes of products can be not better than expected due to the influence of packaging materials (the influence of oxygen permeability) in the traditional single-layer inert gas packaging mode, and most of the traditional packaging bags are integrally injection-molded in a whole plate mode or independently injection-molded and cannot be connected with each other, so that the packaging bags are randomly stacked in the packaging box in the transportation process, the shaking is extremely large, and the phenomenon that the sealed package of the food is easy to break is easily caused, so that a food bag with multilayer protective gas and a production process thereof are provided.
Disclosure of Invention
The invention aims to provide a food bag capable of protecting gas through multiple layers and a production process thereof.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention provides a food bag with multilayer protective gas, which comprises a food bag, wherein two end surfaces of the food bag are fixedly connected with transverse edge connecting members, the other two end surfaces of the food bag are fixedly connected with longitudinal edge connecting members, a reinforcing structure is arranged on the inner side of the food bag, and a limiting mechanism is connected inside the reinforcing structure;
the food bag comprises a bearing bag, a hard edge, a creasing groove, an airtight film and an inner sealed packaging bag, wherein the hard edge is fixedly connected to the outer side of the bearing bag close to the upper end, the creasing groove is arranged on the inner side of the hard edge, the airtight film is fixedly connected to the upper end face of the hard edge through hot pressing, the inner sealed packaging bag is further arranged inside the bearing bag, the inner sealed packaging bag is sealed and is filled with nitrogen, the food bag is fixedly connected with a transverse edge connecting member and a longitudinal edge connecting member through the hard edge, and the transverse edge connecting member and the longitudinal edge connecting member are arranged so that the food bag can be connected through mutual embedding of the transverse edge connecting member and the longitudinal edge connecting member, and therefore the food bag is modularized, can be independent and can also form a main body; through setting up reinforced structure and stop gear, make planar food bag, can pile up into the multilayer, and the transport of food bag has been made things convenient for greatly to the stable structure of reciprocal anchorage.
Preferably: the transverse side connecting component comprises a transverse connecting piece A and a transverse embedded piece B, and the longitudinal side connecting component comprises a longitudinal connecting piece A and a longitudinal embedded piece B;
the inner sides of the longitudinal connecting piece A and the transverse connecting piece A are both provided with sliding chutes in a penetrating way, the transverse connecting piece A is connected with the longitudinal connecting piece A in an embedded way through the sliding chutes, and the transverse embedded piece B is connected with the longitudinal embedded piece B in an embedded way through the sliding chutes; the four ends of the food bag can be spliced with another group of food bags through the arrangement of the transverse connecting piece A, the transverse embedded piece B, the longitudinal connecting piece A and the longitudinal embedded piece B.
Preferably: the reinforced structure comprises through holes and positioning grooves, the through holes are circular, the number of the through holes is four, the four groups of through holes penetrate through the inner side of the food bag and are distributed in a rectangular shape, the positioning grooves are formed in the outer sides of the through holes, and threads are arranged on the inner walls of the positioning grooves; the complete limit cover formed by the left limit cover and the right limit cover can be in threaded connection with the upper end of the food bag through the arrangement of the reinforcing structure, so that the position of the upper threaded area relative to the food bag is fixed.
Preferably: the limiting mechanism comprises a limiting rod, an upper threaded area, a lower threaded area, a left limiting cover, a right limiting cover, a connecting block and a connecting groove, the upper end and the lower end of the limiting rod are respectively provided with the upper threaded area and the lower threaded area, the front end of the left limiting cover is fixedly connected with the connecting block, the inner side of the front end of the right limiting cover is provided with the connecting groove, the left limiting cover is movably connected with the right limiting cover through the embedding of the connecting groove and the connecting block, and the left limiting cover and the right limiting cover are connected into a whole after the embedding connection and are in threaded connection with the positioning groove; different groups of food bags stacked together can be reinforced through the arrangement of the limiting mechanism.
Preferably: nitrogen or other inert gases are filled between the bearing bag and the airtight film; the food is protected from deterioration by double oxygen isolation.
Preferably: the outer diameter size of the transverse embedded part B is matched with the inner diameter size of the sliding chute, and the outer diameter size of the longitudinal embedded part B is matched with the inner diameter size of the sliding chute; the food bags of different groups are more stable after being embedded and connected.
A process for producing a gas-protected multilayer food bag according to any one of claims 1 to 6, comprising the steps of:
s1: mixing materials, and putting the raw materials of the food bag into a mixer;
s2: melting and granulating, putting the mixed raw materials into a screw extruder to extrude and pull strips, and cutting and granulating by using a granulator after water cooling;
s3: thermoforming, namely thermoforming the cut particles in the S2;
s4: cooling and demolding, and taking out the cooled food bag after the food bag in the step S3 is cooled;
s5: unhairing, removing burrs left around the food bag, and preventing the scratch of a user and the like;
s6: and (4) cleaning, namely putting the unhaired food bag obtained in the step S5 into a cleaning solution for cleaning, and then putting the cleaned food bag into a drying box for drying and disinfection after the food bag is washed by clean water.
Preferably: the thermoplastic molding method in the step S3 may be punch molding, differential pressure molding, injection molding, etc., and the user may select the molding process according to many factors such as cost and field.
Preferably: the cleaning solution in the step S6 is a stable chlorine dioxide solution diluted by 100-200 times, so that the cleaning solution is prevented from being too high in concentration and difficult to clean, and water resources are saved.
The invention has the following beneficial effects:
according to the food bag with the multilayer protective gas, the transverse edge connecting members and the longitudinal edge connecting members are arranged, so that the food bag is modularized and can be independently packaged, the food bag can be integrally formed through embedding, different groups of food bags can be stably stacked together through the design of the upper threaded area and the reinforcing structure, the number of the stacked groups can be limited by the length of the limiting rod, the stability of the food bag in the transportation process is greatly improved, and the airtight structure damage caused by transportation shaking of the food bag is prevented.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the present invention;
FIG. 3 is an enlarged view of the area of FIG. 2A;
FIG. 4 is an external view of the position-limiting mechanism;
fig. 5 is a schematic view of a multi-group food bag stacking and reinforcing structure.
In the figure: 1. a food bag; 2. a lateral side connecting member; 201. a transverse connecting piece A; 202. a horizontal fitting member B; 3. a longitudinal edge connecting member; 301. a longitudinal connecting piece A; 302. a longitudinal fitting member B; 4. reinforcing the structure; 5. a carrying bag; 6. hard edges; 7. indenting grooves; 8. an airtight film; 9. perforating; 10. positioning a groove; 11. a chute; 12. a limiting mechanism; 13. a limiting rod; 14. an upper threaded zone; 15. a lower threaded zone; 16. a left limit cover; 17. a right limit cover; 18. connecting blocks; 19. connecting grooves; 20. and (6) inner sealing the packaging bag.
Detailed Description
The following further describes embodiments of the present invention with reference to examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In FIGS. 1-5: a food bag through multilayer protective gas comprises a food bag 1, wherein two end faces of the food bag 1 are fixedly connected with transverse edge connecting members 2, the other two end faces of the food bag 1 are fixedly connected with longitudinal edge connecting members 3, a reinforcing structure 4 is arranged on the inner side of the food bag 1, and a limiting mechanism 12 is connected inside the reinforcing structure 4;
The transverse side connecting component 2 comprises a transverse connecting piece A201 and a transverse embedded piece B202, and the longitudinal side connecting component 3 comprises a longitudinal connecting piece A301 and a longitudinal embedded piece B302;
the inner sides of the longitudinal connecting piece A301 and the transverse connecting piece A201 are both provided with a sliding groove 11 in a penetrating way, the transverse connecting piece A201 is connected with the longitudinal connecting piece A301 in an embedded way through the sliding groove 11, and the transverse embedded piece B202 is connected with the longitudinal embedded piece B302 in an embedded way through the sliding groove 11; the four ends of the food bag 1 can be spliced with another group of food bags 1 through the arrangement of the transverse connecting piece A201, the transverse embedded piece B202, the longitudinal connecting piece A301 and the longitudinal embedded piece B302; the reinforced structure 4 includes perforation 9 and constant head tank 10, and the shape of perforation 9 is circular, and the quantity of perforation 9 is four groups, and four groups of perforation 9 run through and set up in the inboard of food bag 1, and be the rectangular distribution, and constant head tank 10 sets up in the outside of perforation 9, and is provided with the screw thread on the inner wall of constant head tank 10.
Stop gear 12 includes gag lever post 13, go up threaded area 14, lower threaded area 15, left side spacing lid 16, right side spacing lid 17, connecting block 18 and spread groove 19, the upper end of gag lever post 13 is provided with threaded area 14 and lower threaded area 15 respectively with the lower extreme, the front end fixedly connected with connecting block 18 of left side spacing lid 16, spread groove 19 has been seted up to the front end inboard of right side spacing lid 17, left side spacing lid 16 passes through the gomphosis of spread groove 19 and connecting block 18 and right side spacing lid 17 swing joint, form wholly after left side spacing lid 16 is connected with right side spacing lid 17 gomphosis, and with constant head tank 10 threaded connection.
Wherein: the complete limit cover is composed of a left limit cover 16 and a right limit cover 17, the complete limit cover is circular, the circular shape is easy to be extruded and broken, and therefore the left limit cover 16 and the right limit cover 17 are designed, and the extrusion resistance of the left limit cover 16 and the right limit cover 17 is greatly improved.
Nitrogen or other inert gases are filled between the carrying bag 5 and the airtight membrane 8; the food is protected from deterioration by double oxygen isolation.
The outer diameter of the transverse embedded piece B202 is matched with the inner diameter of the sliding chute 11, and the outer diameter of the longitudinal embedded piece B302 is matched with the inner diameter of the sliding chute 11; the food bags 1 in different groups are more stable after being embedded and connected.
Wherein: the outer surfaces of the transverse embedded piece B202 and the longitudinal embedded piece B302 may be provided with arc-shaped protrusions, and the inner wall of the sliding chute 11 may be provided with arc-shaped recesses, so that the embedded connection manner between the plurality of groups of food bags 1 is reinforced, and the plurality of groups of food bags 1 are prevented from sliding each other.
A process for producing a multilayer protective gas-containing food bag according to any one of claims 1 to 6, comprising the steps of:
s1: mixing materials, and putting the raw materials of the food bag into a mixer;
s2: melting and granulating, putting the mixed raw materials into a screw extruder to extrude and pull strips, and cutting and granulating by using a granulator after water cooling;
s3: thermoforming, namely thermoforming the particles cut in the step S2;
s4: cooling and demolding, and taking out the cooled food bag after the food bag in the step S3 is cooled;
s5: unhairing, removing burrs left around the food bag, and preventing the scratch of a user and the like;
s6: and (4) cleaning, namely putting the unhaired food bag obtained in the step S5 into a cleaning solution for cleaning, and then putting the cleaned food bag into a drying box for drying and disinfection after the food bag is washed by clean water.
The thermoplastic molding method in the step S3 may be press molding, differential pressure molding, injection molding, or the like.
The cleaning solution in the step S6 is a stable chlorine dioxide solution diluted by 100-200 times.
The invention relates to a using method and a flow of a food bag through multilayer protective gas, which comprises the following steps: the user is connected different groups of food bags 1 with the gomphosis of indulging limit connecting elements 3 through horizontal limit connecting elements 2, selects the gag lever post 13 that corresponds length again this moment, penetrates gag lever post 13 in perforation 9, and the complete spacing lid after 16 and the concatenation of right spacing lid 17 of spacing lid in a left side is rotatory cup jointed at the both ends of gag lever post 13 respectively again, makes complete spacing lid in constant head tank 10 threaded connection to make the multiunit food bag 1 reciprocal anchorage who superposes together.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A pouch for protecting gases by multiple layers, comprising a pouch (1), characterized in that: both end surfaces of the food bag (1) are fixedly connected with transverse edge connecting members (2), the other two end surfaces of the food bag (1) are fixedly connected with longitudinal edge connecting members (3), the inner side of the food bag (1) is provided with a reinforcing structure (4), and the inside of the reinforcing structure (4) is connected with a limiting mechanism (12);
food bag (1) is including bearing bag (5), stereoplasm limit (6), indentation groove (7), airtight membrane (8) and interior sealed wrapping bag (20), the outside fixedly connected with stereoplasm limit (6) of being close to the upper end of bearing bag (5), the inboard of stereoplasm limit (6) is provided with indentation groove (7), the up end of stereoplasm limit (6) is through hot pressing fixedly connected with airtight membrane (8), bear bag (5) inside still is provided with interior sealed wrapping bag (20), interior sealed wrapping bag (20) are sealed package, and fill with nitrogen gas, food bag (1) is through stereoplasm limit (6) and horizontal limit connecting element (2) and vertical limit connecting element (3) fixed connection.
2. The gas-shielded comestible bag of claim 1 wherein: the transverse side connecting component (2) comprises a transverse connecting piece A (201) and a transverse embedded piece B (202), and the longitudinal side connecting component (3) comprises a longitudinal connecting piece A (301) and a longitudinal embedded piece B (302);
the inner sides of the longitudinal connecting piece A (301) and the transverse connecting piece A (201) are provided with sliding grooves (11) in a penetrating mode, the transverse connecting piece A (201) is connected with the longitudinal connecting piece A (301) in an embedded mode through the sliding grooves (11), and the transverse embedded piece B (202) is connected with the longitudinal embedded piece B (302) in an embedded mode through the sliding grooves (11).
3. The gas-shielded comestible bag of claim 1 wherein: reinforced structure (4) are including perforation (9) and constant head tank (10), the shape of perforation (9) is circular, just the quantity of perforation (9) is four groups, four groups perforation (9) run through and set up in the inboard of food bag (1), and are the square and distribute, constant head tank (10) set up in the outside of perforation (9), just be provided with the screw thread on the inner wall of constant head tank (10).
4. The gas-shielded comestible bag of claim 1 wherein: stop gear (12) include gag lever post (13), go up screw thread district (14), lower screw thread district (15), left spacing lid (16), right spacing lid (17), connecting block (18) and spread groove (19), the upper end and the lower extreme of gag lever post (13) are provided with screw thread district (14) and lower screw thread district (15) respectively, the front end fixedly connected with connecting block (18) of left side spacing lid (16), spread groove (19) have been seted up to the front end inboard of right spacing lid (17), left side spacing lid (16) are through the gomphosis and the right spacing lid (17) swing joint of spread groove (19) and connecting block (18), form wholly after left side spacing lid (16) and the gomphosis of right spacing lid (17) are connected, and with constant head tank (10) threaded connection.
5. The gas-shielded comestible bag of claim 1 wherein: and nitrogen or other inert gases are filled between the bearing bag (5) and the airtight membrane (8).
6. The gas-shielded comestible bag of claim 2 wherein: the outer diameter of the horizontal embedded piece B (202) is matched with the inner diameter of the sliding chute (11), and the outer diameter of the vertical embedded piece B (302) is matched with the inner diameter of the sliding chute (11).
7. A process for producing a multilayer protective gas-containing food bag, for producing a multilayer protective gas-containing food bag according to any one of claims 1 to 6, comprising the steps of:
s1: mixing materials, and putting the raw materials of the food bag into a mixer;
s2: melting and granulating, putting the mixed raw materials into a screw extruder to extrude and pull strips, and cutting and granulating by using a granulator after water cooling;
s3: thermoforming, namely thermoforming the cut particles in the S2;
s4: cooling and demolding, and taking out the cooled food bag after the food bag in the step S3 is cooled;
s5: unhairing, removing burrs left around the food bag, and preventing the scratch of a user and the like;
s6: and (4) cleaning, namely putting the unhaired food bag obtained in the step S5 into a cleaning solution for cleaning, and then putting the cleaned food bag into a drying box for drying and disinfection after the food bag is washed by clean water.
8. The process for producing a gas-shielded foodsag of claim 7 wherein: the thermoplastic molding method in the step S3 may be punch molding, differential pressure molding, injection molding, or the like.
9. The process for producing a gas-shielded foodsag of claim 7 wherein: the cleaning solution in the step S6 is a stable chlorine dioxide solution diluted by 100-200 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011202017.7A CN112373959B (en) | 2020-11-02 | 2020-11-02 | Food bag with multilayer protective gas and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011202017.7A CN112373959B (en) | 2020-11-02 | 2020-11-02 | Food bag with multilayer protective gas and production process thereof |
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| CN112373959A true CN112373959A (en) | 2021-02-19 |
| CN112373959B CN112373959B (en) | 2023-01-31 |
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