CN115367288B - Moisture-proof single-sided curled food-grade food bag structure and preparation method thereof - Google Patents
Moisture-proof single-sided curled food-grade food bag structure and preparation method thereof Download PDFInfo
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- CN115367288B CN115367288B CN202211010788.5A CN202211010788A CN115367288B CN 115367288 B CN115367288 B CN 115367288B CN 202211010788 A CN202211010788 A CN 202211010788A CN 115367288 B CN115367288 B CN 115367288B
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- rotating shaft
- box body
- food
- food bag
- plastic layer
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- 235000013305 food Nutrition 0.000 title claims abstract description 63
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 63
- 239000002994 raw material Substances 0.000 claims abstract description 26
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000005011 phenolic resin Substances 0.000 claims abstract description 21
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 19
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 9
- 239000010439 graphite Substances 0.000 claims abstract description 9
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims abstract description 9
- 239000004312 hexamethylene tetramine Substances 0.000 claims abstract description 9
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000012965 benzophenone Substances 0.000 claims abstract description 4
- 239000000123 paper Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 9
- 238000009957 hemming Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000002655 kraft paper Substances 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims 1
- 238000004321 preservation Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004806 packaging method and process Methods 0.000 description 13
- 230000033001 locomotion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 235000013376 functional food Nutrition 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
Classifications
-
- 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
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/04—Bags or like containers made of paper and having structural provision for thickness of contents with multiple walls
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
-
- 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
- B65D33/01—Ventilation or drainage of bags
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- 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
- B31B2170/00—Construction of flexible containers
- B31B2170/20—Construction of flexible containers having multi-layered walls, e.g. laminated or lined
Abstract
The invention discloses a moisture-proof single-sided curled food-grade food bag structure and a preparation method thereof. The paper comprises a paper layer, wherein a plastic layer is arranged on the surface of the paper layer, and the plastic layer comprises the following formula raw materials in percentage by weight: 60-80% of phenolic resin, 5-10% of graphite, 15-30% of benzophenone, 15-30% of hexamethylenetetramine and 5-10% of stearate. The beneficial effects of the invention are as follows: the food bag has good mechanical strength and is not easy to deform and break; the moisture resistance is good; the food bag has good moisture resistance, and the preservation time of food is greatly prolonged; the stirring efficiency is improved, the raw materials can be mixed more fully, and the product quality is improved; the structure is simple, and the control is convenient; the rotation driving structure and the power supply structure are not required to be additionally arranged, so that the running and maintenance cost of the equipment is reduced; the mixing efficiency among various raw materials is improved.
Description
Technical Field
The invention relates to the technical field related to food packaging bags, in particular to a moisture-proof single-side curled food-grade food bag structure and a preparation method thereof.
Background
The food packaging bag is one of the packaging designs, and is used for conveniently preserving and storing food in life, so that the food 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. The food packaging bag can be divided into: common food packaging bag, vacuum food packaging bag, inflatable food packaging bag, boiled food packaging bag, steamed food packaging bag, functional food packaging bag, etc.
Chinese patent grant bulletin number: CN201420206197.X, authorized bulletin day 2014, 12 months and 24 days, discloses a packaging bag, which comprises a bag body, wherein one end of the bag body is provided with an opening, one side of the opening of the bag body is provided with a curled edge, the curled edge is outwards curled and is adhered to the outer side of the bag body, a strip-shaped gap is formed between the curled edge and the outer side of the bag body, and a lifting rope is penetrated in the strip-shaped gap; the other side of the opening of the bag body is turned over, folded and sealed. The disadvantage of this patent lies in that the bag body itself is of poor strength, is liable to deform and break, and is of poor waterproof and antifouling capacity, and is liable to absorb moisture and damp so as to affect the preservation of the food contained therein.
In view of the foregoing, there is a need for a moisture-resistant single-sided hemmed food bag structure that is less susceptible to deformation and breakage and has good moisture resistance, and a method of making the same.
Disclosure of Invention
The invention provides a moistureproof single-sided curled food-grade food bag structure with good moistureproof performance and a preparation method thereof, which aims to overcome the defects that a food bag in the prior art is poor in strength, easy to deform and damage, poor in waterproof and antifouling capability, and easy to absorb moisture and further influence the preservation of contained foods.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the moisture-proof single-sided curled food-grade food bag structure comprises a paper layer, wherein the surface of the paper layer is provided with a plastic layer, and the plastic layer comprises the following formula raw materials in percentage by weight: 60-80% of phenolic resin, 5-10% of graphite, 15-30% of benzophenone, 15-30% of hexamethylenetetramine and 5-10% of stearate.
The food bag manufactured and molded by the raw materials has good mechanical strength, is not easy to deform and crush, has good moisture resistance, and greatly prolongs the preservation time of food. In addition, the phenolic resin is adopted as a base material, so that the phenolic resin has good heat resistance, is not easy to deform under pressure, and improves the solidification performance of the phenolic resin by adding hexamethylenetetramine; by adding graphite, the abrasion resistance and the wear resistance of the food bag are improved; by adding the diphenyl ketone, the plasticity and the softness of the food bag are improved, and the brittleness is reduced; the quality of the plastic layer is stabilized and the service life is prolonged by adding the stearate.
Preferably, the paper layer is one or more of kraft paper, corrugated paper and coated paper.
The invention also provides a preparation method of the moisture-proof single-sided curled food-grade food bag structure, which comprises the following steps:
step one, adding phenolic resin, graphite, diphenyl ketone, hexamethylenetetramine and stearate into mixing equipment according to a proportion, heating, stirring and mixing to obtain phenolic resin liquid;
uniformly coating phenolic resin liquid on the release film, and drying at 130-160 ℃ to solidify the phenolic resin liquid into a plastic layer, and stripping the plastic layer from the release film after the plastic layer is cooled;
step three, uniformly coating adhesive on the paper layer, and then pressing a plastic layer on the paper layer for thermal compounding to obtain a composite paper-plastic layer;
fourthly, performing heat sealing and edge sealing treatment on the composite paper-plastic layer, performing cold pressing and shaping on the edge sealing, and cutting the composite paper-plastic layer along the edge sealing to obtain a food bag body;
and fifthly, performing heat seal hemming treatment on the food bag body to obtain a food bag hemming, and finally performing cold press shaping on the food bag hemming to finish processing.
The food bag manufactured and formed by the method has good mechanical strength, is not easy to deform and crush, has good moisture resistance, and greatly prolongs the preservation time of food. The invention adopts phenolic resin as a base material, has good heat resistance and is not easy to deform under pressure, and the curing performance of the phenolic resin is improved by adding hexamethylenetetramine; by adding graphite, the abrasion resistance and the wear resistance of the food bag are improved; by adding the diphenyl ketone, the plasticity and the softness of the food bag are improved, and the brittleness is reduced; the quality of the plastic layer is stabilized and the service life is prolonged by adding the stearate.
Preferably, the mixing equipment comprises a box body, a first rotating shaft is arranged in the box body, a plurality of first stirring rods are arranged on the side wall of the first rotating shaft, a driving mechanism connected with the first rotating shaft is arranged in the box body, the first rotating shaft is in sliding connection with the box body through the driving mechanism, a rotation guiding device connected with the first rotating shaft is further arranged in the box body, and the first rotating shaft is in rotation connection with the box body through the rotation guiding device. After the raw materials are all added into the box, actuating mechanism and rotation guider work, drive the pivot through rotation guider and rotate, make the raw materials in the puddler a pair of box on it stir and mix, drive the pivot through actuating mechanism simultaneously and reciprocate along axial direction in the box, further improved stirring efficiency, can make the more abundant of raw materials mix, improved product quality for the food bag of preparation shaping has good mechanical strength, is difficult for the deformation and is broken, and dampproofing performance is good, has prolonged the save time of food greatly.
Preferably, the inner top surface of the box body and the inner bottom surface of the box body are respectively provided with a limiting pipe groove matched with the first rotating shaft, and two ends of the first rotating shaft are respectively arranged in the two limiting pipe grooves and are movably connected with the first rotating shaft. The limiting pipe groove plays a role in limiting and guiding the movement of the rotating shaft I in the box body.
Preferably, the driving mechanism comprises a second rotating shaft arranged in the box body, the second rotating shaft is rotationally connected with the box body, the second rotating shaft is symmetrically arranged on two sides of the first rotating shaft, the second rotating shaft is perpendicular to the first rotating shaft, a plurality of stirring rods are arranged on the side wall of the second rotating shaft, a fan-shaped rotary table is arranged on the side wall of the second rotating shaft, the fan-shaped rotary table and the first rotating shaft are arranged in the same vertical plane, an arc-shaped rack is arranged on the arc edge of the fan-shaped rotary table, an axial tooth groove area matched with the arc-shaped rack is arranged on the side wall of the first rotating shaft, and the arc-shaped rack and the axial tooth groove area are mutually matched. The two rotating shafts II rotate in the same direction at the same rotating speed, and the stirring rod II on the rotating shafts II further stir and mix the raw materials in the box body, so that the stirring efficiency is further improved. When the sector turntable on one rotating shaft II is separated from one side of the rotating shaft I (namely, the arc-shaped rack is separated from the axial tooth groove area), the sector turntable on the other rotating shaft II is just in contact engagement with the other side of the rotating shaft I (namely, the arc-shaped rack is in contact engagement with the axial tooth groove area). When the driving mechanism works, one of the rotating shafts II rotates to drive the rotating shaft to move upwards, and then the other rotating shaft II rotates to drive the rotating shaft I to move downwards, so that the purpose of up-and-down reciprocating motion of the rotating shaft I is achieved.
Preferably, the box body is further provided with a side cavity, the second rotating shaft penetrates through the side cavity and is rotationally connected with the second rotating shaft, a driven gear is fixed on the second rotating shaft, the driven gear is arranged in the side cavity, a driving rotating shaft is arranged in the side cavity, the driving rotating shaft is rotationally connected with the side cavity, a driving gear is fixed on the driving rotating shaft, and the two driven gears are symmetrically arranged on two sides of the driving gear and meshed with the driving gear. The box body is provided with a rotating motor connected with the driving rotating shaft, the driving rotating shaft is driven to rotate through the rotating motor, and under the transmission action of the driving gear and the driven gear, the two rotating shafts are driven to rotate in the same direction at the same rotating speed, so that the box body is simple in structure and convenient to control.
Preferably, the axial tooth groove area comprises a plurality of annular tooth grooves arranged on the first rotating shaft, the annular tooth grooves are uniformly distributed along the central line of the first rotating shaft at intervals and are matched with the arc-shaped racks, the annular tooth grooves are meshed with the arc-shaped racks, the rotation guiding device comprises a rotation guiding block, the rotation guiding block is fixedly connected with the box body, an inner spiral guiding hole is formed in the rotation guiding block, an outer spiral guiding area matched with the inner spiral guiding hole is formed in the side wall of the first rotating shaft, and the rotation guiding block is sleeved on the first rotating shaft through the cooperation of the inner spiral guiding hole and the outer spiral guiding area and is in rotary connection with the first rotating shaft. When the first rotating shaft slides up and down, the first rotating shaft is driven to do rotary motion through the guiding action of the internal thread guiding hole and the external thread guiding area, so that the stirring and mixing actions of raw materials are completed, the structure is simple, the control is convenient, a rotary driving structure is not required to be additionally arranged, and the operation and maintenance cost of equipment is reduced. Through the design of the annular tooth slot, the arc-shaped rack and the axial tooth slot area of the rotating shaft I can still be kept meshed in the rotating process.
Preferably, the first magnetic plate and the second magnetic plate are respectively arranged on the side walls of two opposite sides of the box body, the second rotating shaft is arranged between the first magnetic plate and the second magnetic plate, the first rotating shaft, the first magnetic plate and the second magnetic plate are parallel to each other, the second rotating shaft, the first magnetic plate and the second magnetic plate are parallel to each other, the material of the first rotating shaft and the material of the second rotating shaft are all electrothermal materials, one end of the first rotating shaft is electrically connected with the other end of the first rotating shaft and forms a closed loop, one end of the second rotating shaft is electrically connected with the other end of the second rotating shaft and forms a closed loop, the material of the first stirring rod and the material of the second stirring rod are both conductor materials, one end of the first stirring rod is fixed on the side wall of the first rotating shaft and is arranged at a position close to one end of the first rotating shaft, the other end of the stirring rod is fixed on the side wall of the first rotating shaft and is arranged at a position close to the other end of the first rotating shaft, and the other end of the stirring rod is arranged at a position close to the other end of the second rotating shaft. The magnetic field can be generated between the first magnetic plate and the second magnetic plate, when the first rotating shaft and the second rotating shaft rotate between the magnetic fields, the first stirring rod and the second stirring rod on the magnetic plates can cut magnetic field lines to generate current, and the first rotating shaft and the second rotating shaft are electrified to generate heat, so that raw materials in the box body are automatically heated, the structure is simple, the control is convenient, a power supply structure is not required to be additionally arranged, and the operation and maintenance cost of equipment is reduced.
Preferably, the stirring rod I and the stirring rod II are respectively provided with a stirring rod through hole. In the stirring motion process, when the raw materials pass through the stirring rod through holes, the stirring rod I and the stirring rod II generate rotational flow at the stirring rod through holes, so that the stirring rod I and the stirring rod II play a role in further disturbing the raw materials, and the mixing efficiency among various raw materials is greatly improved.
The beneficial effects of the invention are as follows: the food bag has good mechanical strength and is not easy to deform and break; the moisture resistance is good; the food bag has good moisture resistance, and the preservation time of food is greatly prolonged; the stirring efficiency is improved, the raw materials can be mixed more fully, and the product quality is improved; the structure is simple, and the control is convenient; the rotation driving structure and the power supply structure are not required to be additionally arranged, so that the running and maintenance cost of the equipment is reduced; the mixing efficiency among various raw materials is improved.
Drawings
FIG. 1 is a product diagram of the present invention;
FIG. 2 is a schematic diagram of the raw material proportions of a plastic layer;
fig. 3 is a perspective view of the mixing device;
FIG. 4 is a side view of the mixing apparatus;
FIG. 5 is a cross-sectional view at A-A in FIG. 4;
fig. 6 is a cross-sectional view at B-B in fig. 4.
In the figure: 1. the food bag comprises a food bag body, a food bag curled edge, a box body, a rotary shaft I, a stirring rod I, a limiting pipe groove 6, a rotary shaft II, a stirring rod II, a fan-shaped rotary disc 9, an arc-shaped rack 10, a side cavity 11, a driven gear 13, a driving rotary shaft 14, a driving gear 15, an annular tooth socket 16, a rotary guide block 17, an inner spiral guide hole 18, an outer spiral guide area 19, a magnetic plate I, a magnetic plate II and a stirring rod through hole 21.
Detailed Description
The invention is further described below with reference to the drawings and detailed description.
In the embodiment shown in fig. 1 and 2, a moisture-proof single-sided curled food-grade food bag structure comprises a paper layer, wherein the surface of the paper layer is provided with a plastic layer, and the plastic layer comprises the following formula raw materials in percentage by weight: 60% of phenolic resin, 5% of graphite, 15% of benzophenone, 15% of hexamethylenetetramine and 5% of stearate.
The paper layer is one or more of kraft paper, corrugated paper and coated paper.
The invention also provides a preparation method of the moisture-proof single-sided curled food-grade food bag structure, which comprises the following steps:
step one, adding phenolic resin, graphite, diphenyl ketone, hexamethylenetetramine and stearate into mixing equipment according to a proportion, heating, stirring and mixing to obtain phenolic resin liquid;
uniformly coating phenolic resin liquid on the release film, and drying at 130-160 ℃ to solidify the phenolic resin liquid into a plastic layer, and stripping the plastic layer from the release film after the plastic layer is cooled;
step three, uniformly coating adhesive on the paper layer, and then pressing a plastic layer on the paper layer for thermal compounding to obtain a composite paper-plastic layer;
fourthly, performing heat sealing and edge sealing treatment on the composite paper-plastic layer, performing cold pressing and shaping on the edge sealing, and cutting the composite paper-plastic layer along the edge sealing to obtain the food bag body 1;
and fifthly, performing heat seal hemming treatment on the food bag body 1 to obtain a food bag hemming 2, and finally performing cold press shaping on the food bag hemming 2 to finish processing.
As shown in fig. 3, 4, 5 and 6, the mixing device comprises a box body 3, a first rotating shaft 4 is arranged in the box body 3, a plurality of first stirring rods 5 are arranged on the side wall of the first rotating shaft 4, a driving mechanism connected with the first rotating shaft 4 is arranged in the box body 3, the first rotating shaft 4 is in sliding connection with the box body 3 through the driving mechanism, a rotation guiding device connected with the first rotating shaft 4 is further arranged in the box body 3, and the first rotating shaft 4 is in rotation connection with the box body 3 through the rotation guiding device.
The inner top surface of the box body 3 and the inner bottom surface of the box body 3 are respectively provided with a limiting pipe groove 6 matched with the first rotating shaft 4, and two ends of the first rotating shaft 4 are respectively arranged in the two limiting pipe grooves 6 and are movably connected with the two limiting pipe grooves.
The driving mechanism comprises a second rotating shaft 7 arranged in the box body 3, the second rotating shaft 7 is rotationally connected with the box body 3, the second rotating shaft 7 is symmetrically arranged on two sides of a first rotating shaft 4, the second rotating shaft 7 and the first rotating shaft 4 are mutually perpendicular, a plurality of stirring rods II 8 are arranged on the side wall of the second rotating shaft 7, a fan-shaped rotary disc 9 is arranged on the side wall of the second rotating shaft 7, the fan-shaped rotary disc 9 and the first rotating shaft 4 are arranged in the same vertical plane, an arc-shaped rack 10 is arranged on the arc edge of the fan-shaped rotary disc 9, an axial tooth groove region matched with the arc-shaped rack 10 is arranged on the side wall of the first rotating shaft 4, and the arc-shaped rack 10 and the axial tooth groove region are mutually matched.
The box 3 is further provided with a side cavity 11, the second rotating shaft 7 penetrates through the side cavity 11 and is rotationally connected with the same, the second rotating shaft 7 is fixedly provided with a driven gear 12, the driven gear 12 is arranged in the side cavity 11, the side cavity 11 is internally provided with a driving rotating shaft 13, the driving rotating shaft 13 is rotationally connected with the side cavity 11, the driving rotating shaft 13 is fixedly provided with a driving gear 14, and the two driven gears 12 are symmetrically arranged on two sides of the driving gear 14 and meshed with the two sides of the driving gear 14.
The axial tooth space area is including setting up a plurality of annular tooth space 15 on pivot one 4, annular tooth space 15 is along the central line interval evenly distributed of pivot one 4 and with arc rack 10 assorted, annular tooth space 15 meshes with arc rack 10 mutually, the rotation guider is including rotating guide block 16, rotate guide block 16 and box 3 fixed connection, be equipped with interior spiral guiding hole 17 on the rotation guide block 16, be equipped with on the lateral wall of pivot one 4 with interior spiral guiding hole 17 assorted outer spiral guiding area 18, the rotation guide block 16 cup joints on pivot one 4 and rotates with it through the cooperation of interior spiral guiding hole 17 and outer spiral guiding area 18 and be connected.
The side walls of two opposite sides of the box body 3 are respectively provided with a first magnetic plate 19 and a second magnetic plate 20, the second rotating shaft 7 is arranged between the first magnetic plate 19 and the second magnetic plate 20, the first rotating shaft 4, the first magnetic plate 19 and the second magnetic plate 20 are mutually parallel, the second rotating shaft 7, the first magnetic plate 19 and the second magnetic plate 20 are mutually parallel, the material of the first rotating shaft 4 and the material of the second rotating shaft 7 are all electrothermal materials, one end of the first rotating shaft 4 is electrically connected with the other end of the first rotating shaft 4 to form a closed loop, one end of the second rotating shaft 7 is electrically connected with the other end of the second rotating shaft 7 to form a closed loop, the material of the first stirring rod 5 and the material of the second stirring rod 8 are both conductor materials, one end of the stirring rod 5 is fixed on the side wall of the first rotating shaft 4 and arranged at a position close to one end of the first rotating shaft 4, the other end of the stirring rod 8 is in a V shape, and one end of the stirring rod 8 is fixed on the side wall of the second rotating shaft 7 and the other end of the stirring rod 8 is fixed on the other end of the second rotating shaft 7 close to the other end of the second rotating shaft 7.
And stirring rod through holes 21 are formed in the stirring rod I5 and the stirring rod II 8.
The working principle of the mixing equipment is as follows:
when the raw materials are all added into the box body 3, the rotating motor drives the driving rotating shaft 13 to rotate, and under the transmission action of the driving gear 14 and the driven gear 12, the two rotating shafts 7 are driven to rotate in the same direction (at the moment, the stirring rod 8 mixes the raw materials in the box body 3), the fan-shaped rotating disc 9 on one rotating shaft 7 is in contact engagement with one side of the rotating shaft 4 (namely, the arc-shaped rack 10 is in contact engagement with an axial tooth groove area), so that the rotating shaft 4 is driven to move upwards, and when the fan-shaped rotating disc 9 on one rotating shaft 7 is separated from one side of the rotating shaft 4 (namely, the arc-shaped rack 10 is in contact engagement with the axial tooth groove area), the fan-shaped rotating disc 9 on the other rotating shaft 7 is just in contact engagement with the other side of the rotating shaft 4 (namely, the arc-shaped rack 10 is in contact engagement with the axial tooth groove area), so that the rotating shaft 4 is driven to move downwards, and the purpose of up-down reciprocating movement of the rotating shaft 4 is achieved. When the first rotary shaft 4 slides up and down, the first rotary shaft 4 rotates (the first stirring rod 5 mixes the raw materials in the box 3 at this time) under the guiding action of the internal thread guiding hole 17 and the external thread guiding area 18.
In the stirring process, the stirring rod I5 and the stirring rod II 8 can generate rotational flow at the stirring rod through hole 21 when the raw materials pass through the stirring rod through hole 21, so that the stirring rod I and the stirring rod II play a role in further disturbing the raw materials, and the mixing efficiency among various raw materials is greatly improved.
When the first rotating shaft 4 and the second rotating shaft 7 rotate between the magnetic fields, the stirring rod 5 and the stirring rod 8 on the first rotating shaft and the second rotating shaft can cut magnetic induction lines to generate current, and the first rotating shaft 4 and the second rotating shaft 7 are electrified to generate heat, so that raw materials in the box body 3 are automatically heated.
Claims (6)
1. The moisture-proof single-sided curled food-grade food bag structure comprises a paper layer, wherein the surface of the paper layer is provided with a plastic layer, and the plastic layer comprises the following formula raw materials in percentage by weight: 60-80% of phenolic resin, 5-10% of graphite, 15-30% of benzophenone, 15-30% of hexamethylenetetramine and 5-10% of stearate; the preparation method of the moisture-proof single-sided curled food-grade food bag structure is characterized by specifically comprising the following steps:
step one, adding phenolic resin, graphite, diphenyl ketone, hexamethylenetetramine and stearate into mixing equipment according to a proportion, heating, stirring and mixing to obtain phenolic resin liquid;
uniformly coating phenolic resin liquid on the release film, and drying at 130-160 ℃ to solidify the phenolic resin liquid into a plastic layer, and stripping the plastic layer from the release film after the plastic layer is cooled;
step three, uniformly coating adhesive on the paper layer, and then pressing a plastic layer on the paper layer for thermal compounding to obtain a composite paper-plastic layer;
fourthly, performing heat sealing and edge sealing treatment on the composite paper-plastic layer, performing cold pressing and shaping on the edge sealing, and cutting the composite paper-plastic layer along the edge sealing to obtain a food bag body (1);
fifthly, performing heat seal hemming treatment on the food bag body (1) to obtain a food bag hemming (2), and finally performing cold press shaping on the food bag hemming (2) to finish processing;
the mixing equipment comprises a box body (3), a first rotating shaft (4) is arranged in the box body (3), a plurality of first stirring rods (5) are arranged on the side wall of the first rotating shaft (4), a driving mechanism connected with the first rotating shaft (4) is arranged in the box body (3), the first rotating shaft (4) is in sliding connection with the box body (3) through the driving mechanism, a rotating guide device connected with the first rotating shaft (4) is further arranged in the box body (3), the first rotating shaft (4) is in rotating connection with the box body (3) through the rotating guide device, the driving mechanism comprises a second rotating shaft (7) arranged in the box body (3), the second rotating shaft (7) is in rotating connection with the box body (3), the second rotating shaft (7) is symmetrically arranged on two sides of the first rotating shaft (4), the second rotating shaft (7) and the first rotating shaft (4) are perpendicular to each other, a plurality of second stirring rods (8) are arranged on the side wall of the second rotating shaft (7), a sector-shaped rotary table (9) is arranged on the side wall of the second rotating shaft (7), a sector-shaped toothed groove (10) is arranged on the sector-shaped toothed groove (10) and is arranged on the sector-shaped toothed groove (10) in the sector, the sector-shaped toothed groove (10) and the sector-shaped toothed groove (10) is arranged on the sector-shaped toothed groove, the axial tooth groove area is including setting up a plurality of annular tooth groove (15) on pivot one (4), annular tooth groove (15) along the central line interval evenly distributed of pivot one (4) and with arc rack (10) assorted, annular tooth groove (15) and arc rack (10) mesh mutually, rotate guider including rotating guide block (16), rotate guide block (16) and box (3) fixed connection, be equipped with interior spiral guiding hole (17) on rotating guide block (16), be equipped with on the lateral wall of pivot one (4) with interior spiral guiding hole (17) assorted outer spiral guiding area (18), rotate guide block (16) through interior spiral guiding hole (17) and outer spiral guiding area (18)'s cooperation cup joint on pivot one (4) and rotate rather than being connected.
2. The moisture resistant single sided hemmed food bag structure of claim 1 wherein the paper layer is one or more of kraft paper, corrugated paper, coated paper.
3. The moisture-proof single-sided curled food bag structure according to claim 1, wherein the inner top surface of the box body (3) and the inner bottom surface of the box body (3) are respectively provided with a limiting pipe groove (6) matched with the first rotating shaft (4), and two ends of the first rotating shaft (4) are respectively arranged in the two limiting pipe grooves (6) and are movably connected with the two limiting pipe grooves.
4. The moisture-proof single-sided curled food bag structure according to claim 1, wherein the box body (3) is further provided with a side cavity (11), the second rotating shaft (7) penetrates through the side cavity (11) and is rotationally connected with the same, the second rotating shaft (7) is fixedly provided with a driven gear (12), the driven gear (12) is arranged in the side cavity (11), the side cavity (11) is internally provided with a driving rotating shaft (13), the driving rotating shaft (13) is rotationally connected with the side cavity (11), the driving rotating shaft (13) is fixedly provided with a driving gear (14), and the two driven gears (12) are symmetrically arranged at two sides of the driving gear (14) and meshed with the driving gear.
5. The structure of claim 1 or 4, wherein the side walls of the two opposite sides of the box body (3) are respectively provided with a first magnetic plate (19) and a second magnetic plate (20), the second rotary shaft (7) is arranged between the first magnetic plate (19) and the second magnetic plate (20), the first rotary shaft (4), the first magnetic plate (19) and the second magnetic plate (20) are parallel to each other, the first rotary shaft (7), the first magnetic plate (19) and the second magnetic plate (20) are parallel to each other, the material of the first rotary shaft (4) and the material of the second rotary shaft (7) are all electric heating materials, one end of the first rotary shaft (4) is electrically connected with the other end of the first rotary shaft (4) and forms a closed loop, one end of the second rotary shaft (7) is electrically connected with the other end of the second rotary shaft (7) and forms a closed loop, the material of the first stirring rod (5) and the material of the second stirring rod (8) are all conductive materials, the first stirring rod (5) is in a V shape, the first stirring rod (5) is fixed on the side wall of the first rotary shaft (4) and is arranged on the side wall of the second rotary shaft (4) near one end of the first rotary shaft (4), one end of the stirring rod II (8) is fixed on the side wall of the rotating shaft II (7) and is arranged at a position close to one end of the rotating shaft II (7), and the other end of the stirring rod II (8) is fixed on the side wall of the rotating shaft II (7) and is arranged at a position close to the other end of the rotating shaft II (7).
6. The moisture-proof single-sided curled food-grade food bag structure of claim 5 wherein said first (5) and second (8) mixing bars are provided with mixing bar through holes (21).
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| CN202211010788.5A CN115367288B (en) | 2022-08-23 | 2022-08-23 | Moisture-proof single-sided curled food-grade food bag structure and preparation method thereof |
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| CN202211010788.5A CN115367288B (en) | 2022-08-23 | 2022-08-23 | Moisture-proof single-sided curled food-grade food bag structure and preparation method thereof |
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| CN115367288B true CN115367288B (en) | 2023-11-03 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10309317A1 (en) * | 2003-03-04 | 2004-09-30 | Lothar Wellenbrock | Grain product circulating device for grain crops has drive unit fixed to support body so that it can rotate |
| CN105924740A (en) * | 2016-06-17 | 2016-09-07 | 铜陵方正塑业科技有限公司 | Moisture-resistant food bag and preparation method thereof |
| JP2017123283A (en) * | 2016-01-07 | 2017-07-13 | 新日鐵住金株式会社 | Eddy current type heating device |
| CN110451067A (en) * | 2019-08-05 | 2019-11-15 | 安徽华瑞包装有限公司 | Water proof type paper plastic combined package bag and preparation method thereof |
| CN110606268A (en) * | 2019-09-03 | 2019-12-24 | 海宁市方圣包装材料有限公司 | Multilayer composite packaging bag and processing technology thereof |
| CN211002828U (en) * | 2019-06-28 | 2020-07-14 | 佛山市华轩新材料有限公司 | Storage tank that liquid prevented solidifying |
| CN211436303U (en) * | 2019-10-26 | 2020-09-08 | 尹希月 | Medicine auxiliary assembly is used in livestock treatment |
| CN114014424A (en) * | 2021-11-26 | 2022-02-08 | 重庆建筑科技职业学院 | Sewage coagulating sedimentation separation device for sewage treatment |
-
2022
- 2022-08-23 CN CN202211010788.5A patent/CN115367288B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10309317A1 (en) * | 2003-03-04 | 2004-09-30 | Lothar Wellenbrock | Grain product circulating device for grain crops has drive unit fixed to support body so that it can rotate |
| JP2017123283A (en) * | 2016-01-07 | 2017-07-13 | 新日鐵住金株式会社 | Eddy current type heating device |
| CN105924740A (en) * | 2016-06-17 | 2016-09-07 | 铜陵方正塑业科技有限公司 | Moisture-resistant food bag and preparation method thereof |
| CN211002828U (en) * | 2019-06-28 | 2020-07-14 | 佛山市华轩新材料有限公司 | Storage tank that liquid prevented solidifying |
| CN110451067A (en) * | 2019-08-05 | 2019-11-15 | 安徽华瑞包装有限公司 | Water proof type paper plastic combined package bag and preparation method thereof |
| CN110606268A (en) * | 2019-09-03 | 2019-12-24 | 海宁市方圣包装材料有限公司 | Multilayer composite packaging bag and processing technology thereof |
| CN211436303U (en) * | 2019-10-26 | 2020-09-08 | 尹希月 | Medicine auxiliary assembly is used in livestock treatment |
| CN114014424A (en) * | 2021-11-26 | 2022-02-08 | 重庆建筑科技职业学院 | Sewage coagulating sedimentation separation device for sewage treatment |
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| CN115367288A (en) | 2022-11-22 |
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