CN113459627B - Food packaging film and preparation method thereof - Google Patents
Food packaging film and preparation method thereof Download PDFInfo
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- CN113459627B CN113459627B CN202110798627.6A CN202110798627A CN113459627B CN 113459627 B CN113459627 B CN 113459627B CN 202110798627 A CN202110798627 A CN 202110798627A CN 113459627 B CN113459627 B CN 113459627B
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- packaging film
- food packaging
- drying agent
- box
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- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
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- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
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- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
- B32B2037/243—Coating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of food packaging, in particular to a food packaging film and a preparation method thereof, and the preparation method of the food packaging film comprises the following steps: step one: pouring the drying agent into a container, and fixing the dosage of the drying agent each time; step two: the quantitative drying agent is uniformly paved on the food packaging film; step three: cutting a piece of non-woven fabric; step four, a step four is carried out; a non-woven fabric is fixed on a food packaging film with a drying agent, a layer of drying agent is paved on the food packaging film, a layer of non-woven fabric is fixed at a position corresponding to the drying agent, and a layer of drying agent is paved on the food packaging film, so that food can be kept dry.
Description
Technical Field
The invention relates to the technical field of food packaging, in particular to a food packaging film and a preparation method thereof.
Background
A method for producing a food packaging film as described in, for example, publication No. 111112001B, comprising a preheating device, a coating device, and an air-drying device; adopt transfer roller conveying packaging film, it avoids the continuous repeated material loading unloading process among the multiple processes, avoids artifical transport to roll up the roll down, work efficiency is high, with low costs, operating time section, production cycle reduces, uses manpower sparingly. And the food packaging film is prepared by adopting a plurality of processes such as one-time pretreatment, transmission, printing, air drying and the like, so that the use effect is good. The pretreatment adopts an electric heating and blowing dual treatment mode to eliminate dust on the surface of the packaging film and soften the packaging film, so that the subsequent coating process can be better printed on the surface of the packaging film; the disadvantage of this patent is that a layer of nonwoven fabric cannot be fixed to the food packaging film.
Disclosure of Invention
The invention aims to provide a food packaging film and a preparation method thereof, and a layer of non-woven fabric can be fixed on the food packaging film.
The aim of the invention is achieved by the following technical scheme:
a method of preparing a food packaging film, the method comprising the steps of:
step one: pouring the drying agent into a container, and fixing the dosage of the drying agent each time;
step two: the quantitative drying agent is uniformly paved on the food packaging film;
step three: cutting a piece of non-woven fabric;
step four: a piece of nonwoven fabric was secured to a food packaging film with a desiccant placed thereon.
The utility model provides a food packaging film preparation facilities, which comprises a main support, the link, the hot-melt ware, cutting knife and backup pad, be equipped with the food packaging film on the main support, be equipped with the non-woven fabrics on the main support, food packaging film and non-woven fabrics all are transported through two driving rollers, the direction of movement of food packaging film and non-woven fabrics is mutually perpendicular on the horizontal plane, and the removal orbit of non-woven fabrics is located the removal orbit's of food packaging film top, link fixed connection is on the main support, the hot-melt ware passes through pneumatic cylinder fixed connection at the lower extreme of link, cutting knife sliding connection is on the hot-melt ware, be equipped with a plurality of springs between cutting knife and the hot-melt ware, be equipped with two trigger plates on the cutting knife, the lower extreme of link is equipped with two pin, backup pad fixed connection is on the main support, be equipped with two racks in the backup pad.
The utility model provides a food packaging film preparation facilities includes holds the case, lay the box, the lead screw, the baffle, friction pulley, gear train and band pulley group, lay the lower extreme at holding the case of box sliding connection, the lower extreme of holding the case is equipped with a blown down tank, the upper end of holding the case is equipped with a feed chute, screw drive between laying box and two lead screws, two lead screws all rotate to be connected at the lower extreme of holding the case, pass through belt drive between two lead screws, the baffle rotates to be connected on laying the box, two friction pulley all fixed connection is on the baffle, the gear train comprises gear and two belt pulley fixed connection together, the band pulley group comprises belt pulley and friction pulley fixed connection together, two gear trains rotate respectively and connect at the front and back both ends of laying the box, two friction pulley respectively with two band pulley group between the belt drive, two band pulley group respectively with two belt drive between the gear train, two gear train respectively with two racks between the meshing drive, hold the upper end of case fixed connection at the main support.
The utility model provides a food packaging film preparation facilities includes slide bar, trowelling roller, band pulley axle and conveyer belt, and two slide bar equal sliding connection are on laying the box, and two slide bar all pass through spring coupling with laying the box, trowelling roller rotate connect between two slide bar, and the band pulley axle rotates to be connected in laying the box, and the conveyer belt rotates to be connected in laying the box, friction transmission between band pulley axle and the conveyer belt, through belt transmission between band pulley axle and the two gear sets.
A food packaging film preparation facilities includes main shaft, the rotor plate, keep off the lid, the push pedal, dwang and dwang II, the lower extreme of main shaft is equipped with one and stirs the board, the main shaft rotates to be connected and holds the incasement, hold the incasement and be equipped with a feed inlet, hold the incasement and be equipped with a discharge gate, be equipped with a semicircle groove on the feed inlet and lie in the left end of feed inlet, be equipped with a semicircle groove on the discharge gate and lie in the right-hand member of discharge gate, the rotor plate rotates to be connected between feed inlet and discharge gate, be equipped with an auxiliary lid on the rotor plate, the auxiliary lid is semicircular, keep off the lid and rotate to be connected on the rotor plate, keep off lid sliding connection and be equipped with a spout on the auxiliary lid, be equipped with a connecting block on the fender lid, keep off lid fixed connection in the lower extreme of main shaft, push pedal sliding connection holds the incasement, the dwang rotates to be connected on the push pedal, the dwang rotates to be connected on dwang II, dwang rotates to be connected on holding the case.
A food packaging film is paved with a layer of drying agent, and a layer of non-woven fabric is fixed at the position corresponding to the drying agent.
The food packaging film and the preparation method thereof have the beneficial effects that:
according to the food packaging film and the preparation method thereof, the laying quantity of the drying agent can be fixed each time, so that the quantity of the drying agent laid each time is stable, the quality of the food packaging film containing the drying agent is improved, waste caused by excessive laying of the drying agent is avoided, the two gear sets rotate to drive the conveying belt to rotate, the drying agent is positioned on the conveying belt in the laying box, the conveying belt rotates to drive the drying agent to flow downwards, the situation of blocking or blocking of the drying agent is avoided, the uneven drying agent can be smoothed through the smoothing roller, the drying agent can be fixed on the food packaging film through the non-woven fabric, and therefore, the drying of food can be fully ensured when the food is packaged, the storage life of the food is prolonged, and meanwhile, the quality of the stored food is improved.
Drawings
The invention will be described in further detail with reference to the accompanying drawings and detailed description.
FIG. 1 is a flow chart of a method of preparing a food packaging film of the present invention;
FIG. 2 is a schematic view of a main support of a food packaging film manufacturing apparatus of the present invention;
FIG. 3 is a schematic view of a connecting frame of a food packaging film preparing apparatus according to the present invention;
FIG. 4 is a schematic view of a container of a food packaging film manufacturing apparatus according to the present invention;
FIG. 5 is a schematic view of a laying box of a food packaging film producing apparatus of the present invention;
FIG. 6 is a schematic view of a conveyor belt of a food packaging film manufacturing apparatus of the present invention;
FIG. 7 is a cross-sectional view of a holding tank of a food packaging film preparation apparatus of the present invention;
FIG. 8 is a schematic view of a pusher plate of a food packaging film producing apparatus according to the present invention;
FIG. 9 is a schematic view of a feed inlet of a food packaging film manufacturing apparatus of the present invention;
FIG. 10 is a schematic view of a discharge port of a food packaging film manufacturing apparatus according to the present invention;
FIG. 11 is a schematic view of a rotating plate of a food packaging film manufacturing apparatus of the present invention;
FIG. 12 is a schematic view of a cover of a food packaging film manufacturing apparatus according to the present invention;
fig. 13 is a schematic view of a main shaft of a food packaging film producing apparatus according to the present invention.
In the figure:
a main support 110; a food packaging film 111; a nonwoven fabric 112; a connection frame 120; a melter 130; a cutter 140; a support plate 150;
a holding case 210; laying box 220; a screw 230; a baffle 240; a friction wheel 250; a gear set 260; a belt pulley set 270;
a slide bar 310; a troweling roller 320; pulley shaft 330; a conveyor belt 340;
a main shaft 410; a rotating plate 420; a blocking cover 430; a push plate 440; a rotating lever 450; rotating lever ii 460.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1;
a method of preparing a food packaging film, the method comprising the steps of:
step one: pouring the drying agent into a container, and fixing the dosage of the drying agent each time;
step two: the quantitative drying agent is uniformly paved on the food packaging film;
step three: cutting a piece of non-woven fabric;
step four: a piece of nonwoven fabric was secured to a food packaging film with a desiccant placed thereon.
As shown in fig. 2 and 3;
the food packaging film preparation method further uses a food packaging film preparation device, the device comprises a main support 110, a connecting frame 120, a hot-melt machine 130, a cutting knife 140 and a supporting plate 150, wherein the food packaging film 111 is arranged on the main support 110, a non-woven fabric 112 is arranged on the main support 110, the food packaging film 111 and the non-woven fabric 112 are transported by two driving rollers, the moving directions of the food packaging film 111 and the non-woven fabric 112 are mutually perpendicular on a horizontal plane, the moving track of the non-woven fabric 112 is positioned above the moving track of the food packaging film 111, the connecting frame 120 is fixedly connected to the main support 110, the hot-melt machine 130 is fixedly connected to the lower end of the connecting frame 120 through a hydraulic cylinder, the cutting knife 140 is slidingly connected to the hot-melt machine 130, a plurality of springs are arranged between the cutting knife 140 and the hot-melt machine 130, two trigger plates 141 are arranged on the cutting knife 140, two stop bars are arranged at the lower end of the connecting frame 120, the supporting plate 150 is fixedly connected to the main support 110, and two racks 151 are arranged on the supporting plate 150;
the device can lay a layer of drying agent on the food packaging film 111, and then fix the drying agent on the food packaging film 111 by using the non-woven fabric 112, so that the drying of food can be fully ensured when the food is packaged, thereby prolonging the storage life of the food, improving the quality of the stored food, and reducing the work flow without independently putting the food drying agent into the package, and greatly improving the work efficiency;
firstly, a drying agent is paved on a food packaging film 111, then a hydraulic cylinder stretches to drive a hot-melting device 130 to move downwards, the hot-melting device 130 moves downwards to drive a cutting knife 140 to move downwards, the cutting knife 140 moves downwards to cut non-woven fabrics 112, the non-woven fabrics 112 with proper size are cut to enable the non-woven fabrics 112 to fall above the drying agent, then the hot-melting device 130 moves downwards to drive the cutting knife 140 to move downwards, two trigger plates 141 on the cutting knife 140 are limited to move downwards after contacting a connecting frame 120, the hot-melting device 130 moves downwards continuously to fix the cut non-woven fabrics 112 on the food packaging film 111, so that the drying agent is fixed, then the hot-melting device 130 moves downwards, the cutting knife 140 is reset under the driving of spring force, and a supporting plate 150 is further arranged to support the food packaging film 111 when the non-woven fabrics 112 are fixed, so that the food packaging film 111 is prevented from being crushed, and the fixing process of the non-woven fabrics 112 is safer and more stable.
As shown in fig. 4 and 5;
the utility model provides a food packaging film preparation facilities includes holding case 210, lay box 220, lead screw 230, baffle 240, friction pulley 250, gear train 260 and band pulley group 270, lay box 220 sliding connection in the lower extreme of holding case 210, the lower extreme of holding case 210 is equipped with a blown down tank, the upper end of holding case 210 is equipped with a feed chute, lay the screw drive between box 220 and the two lead screw 230, two lead screws 230 all rotate to be connected in the lower extreme of holding case 210, pass through belt drive between the two lead screws 230, baffle 240 rotates to be connected on laying case 220, two friction pulleys 250 all fixed connection is on baffle 240, gear train 260 comprises gear and two band pulley fixed connection together, band pulley group 270 comprises pulley and friction pulley fixed connection together, two gear train 260 rotate respectively to be connected in the front and back both ends of laying case 220, two friction pulley group 270 rotate respectively with two band pulley group 270 between friction drive, two band pulley group 270 respectively with the two band pulley drive between two gear train sets 260, two band pulley group 270 respectively with two band pulley group 260 and two main support frame 110 are connected in fixed connection between two band pulley frame 260 respectively, hold in the fixed connection between two band pulley frame 110 and main support frame respectively;
the screw 230 is driven by external power, a speed reducing motor is selected as the external power, the speed reducing motor is fixedly connected to the containing box 210, and the screw 230 is fixedly connected to an output shaft of the speed reducing motor;
the device can also evenly lay the drier on the food packaging film 111, firstly, the drier is arranged on the containing box 210, the drier flows into the laying box 220 in the containing box 210, the space in the laying box 220 is limited, the drier can be evenly placed in the laying box 220, the baffle 240 is further arranged on the laying box 220, the drier is prevented from being spilled when the device is not used, after the laying box 220 is filled with the drier, the output shaft of the speed reducing motor rotates to drive the two lead screws 230 to rotate, the two lead screws 230 rotate to drive the laying box 220 to move backwards, the laying box 220 moves backwards to enter a laying state, the two lead screws 230 rotate reversely to drive the laying box 220 to move forwards, the two gear sets 260 are driven to move forwards, the two gear sets 260 are meshed with the two racks 151, the two gear sets 260 rotate to drive the two pulley sets 270 to rotate, the two friction wheels 250 rotate to drive the baffle 240 to be opened, the drier to evenly lay on the food packaging film 111 from the inside of the box 220 after the baffle 240 is opened, the two friction wheels 250 rotate to drive the two friction wheels 250 to continuously rotate, the two gear sets 220 can not rotate to be aligned with the box 220 to continuously move forwards, the box 220 can not be completely paved after the two friction sets are rotated, and the box 220 can not be continuously rotated to be aligned with the box to be completely opened, and the box 220 can be continuously paved, and the box can be completely rotated to be completely and can be placed in a normal state, and can be continuously rotated, and can be placed in a normal, and can be placed, and a storage box can be placed and a required be placed.
As shown in fig. 5 and 6;
the food packaging film preparation device comprises sliding rods 310, a trowelling roller 320, a pulley shaft 330 and a conveying belt 340, wherein the two sliding rods 310 are both connected with a laying box 220 in a sliding manner, the two sliding rods 310 are both connected with the laying box 220 through springs, the trowelling roller 320 is rotationally connected between the two sliding rods 310, the pulley shaft 330 is rotationally connected in the laying box 220, the conveying belt 340 is rotationally connected in the laying box 220, the pulley shaft 330 and the conveying belt 340 are in friction transmission, the pulley shaft 330 and the two gear sets 260 are in belt transmission,
in the process of laying the drying agent by the laying box 220, the drying agent in the laying box 220 flows downwards along the inclined laying box 220 by self gravity, so that the drying agent in the laying box 220 is likely to be blocked, the blocking of the drying agent in the laying box 220 can affect the outflow of the subsequent drying agent, the laying of the drying agent is not uniform enough and even the laying of the drying agent can not be completed normally, the two gear sets 260 rotate to drive the belt wheel shaft 330 to rotate, the belt wheel shaft 330 rotates to drive the conveying belt 340 to rotate, the drying agent is positioned on the conveying belt 340 in the laying box 220, the conveying belt 340 rotates to drive the drying agent to flow downwards, thereby improving the stability of the drying agent laying process, avoiding the blocking or blocking condition of the drying agent,
further, the drying agent flows out from the even laying box 220, but the drying agent easily vibrates after falling on the food packaging film 111, so that the laying of the drying agent is not uniform enough, at this time, the two sliding rods 310 are driven by the elastic force of the two springs to move downwards, the two sliding rods 310 move downwards to drive the leveling roller 320 to move downwards, so that the leveling roller 320 is fully contacted with the drying agent, and then the laying box 220 moves to drive the leveling roller 320 to move, and the leveling roller 320 levels the uneven drying agent, so that all the drying agents are laid more uniformly.
As shown in figures 7, 8, 9, 10, 11, 12 and 13,
the utility model provides a food package membrane preparation facilities includes main shaft 410, rolling plate 420, fender lid 430, push pedal 440, rolling lever 450 and rolling lever II 460, the lower extreme of main shaft 410 is equipped with a toggle plate 411, main shaft 410 rotates to be connected in holding case 210, be equipped with a feed inlet 211 in holding case 210, be equipped with a discharge gate 212 in holding case 210, be equipped with a semicircle groove on the feed inlet 211 in the left end of feed inlet 211, be equipped with a semicircle groove on discharge gate 212 in the right-hand member of discharge gate 212, rolling plate 420 rotates to be connected between feed inlet 211 and discharge gate 212, rolling plate 420 is equipped with an auxiliary lid 421, auxiliary lid 421 is semi-circular, fender lid 430 rotates to be connected on rolling plate 420, fender lid 430 sliding connection is on auxiliary lid 421, be equipped with a spout 422 on auxiliary lid 421, be equipped with a connecting block 431 on baffle lid 430 sliding on spout 422, fender lid 430 is fixedly connected in the lower extreme of main shaft 410 push pedal 440 sliding connection in holding case 210, rolling lever 450 rotates to be connected on rolling lever 460 and rotates to be connected on rolling lever II;
the main shaft 410 is driven by external power, the external power is a gear motor, the gear motor is fixedly connected to the containing box 210, the main shaft 410 is fixedly connected to an output shaft of the gear motor, the rotating rod II 460 is driven by the gear motor II and a belt pulley, the belt pulley is fixedly connected to an output shaft of the gear motor II, the rotating rod II 460 and the belt pulley are driven by a belt, and the gear motor II is fixedly connected to the containing box 210;
the device can also fix the laying quantity of the drying agent each time, because the drying agent does not need to be continuously laid on the food packaging film 111, the quantity of the drying agent laid each time is controlled to be stable, so that the quality of the food packaging film 111 containing the drying agent is improved, waste caused by excessive laying of the drying agent is avoided, the drying agent in the containing box 210 enters into a space formed by the containing box 210 and the rotating plate 420 through the feeding hole 211, at the moment, the fixed drying agent is used, then the output shaft of the reducing motor rotates to drive the main shaft 410 to rotate, the main shaft 410 rotates to drive the blocking cover 430 to rotate, the blocking cover 430 rotates to block the feeding hole 211, and meanwhile, the blocking cover 430 rotates for half a circle to form a complete circular cover with the auxiliary cover 421, then, the blocking cover 430 continues to rotate to drive the connecting block 431 to rotate, the connecting block 431 is clamped at one end of the sliding groove 422 and then drives the auxiliary cover 421 to rotate, the auxiliary cover 421 rotates to drive the rotating plate 420 to rotate, the rotating plate 420 rotates to drive the drying agent in the closed space to all move to the position of the discharge hole 212, so that the fixed amount of drying agent flows into the laying box 220 to finish the discharge of the fixed amount of drying agent, then the main shaft 410 is reversed to drive the blocking cover 430 to be reversed, the blocking cover 430 is reversed to coincide with the auxiliary cover 421, at the moment, the connecting block 431 is positioned at the other end of the sliding groove 422, the blocking cover 430 continues to be reversed to drive the auxiliary cover 421 to be reversed, the auxiliary cover 421 is reversed to drive the rotating plate 420 to be reversed to finish the reset, and the drying agent in the accommodating box 210 can continue to flow into the position of the rotating plate 420 to finish the fixed amount discharge of the drying agent;
further, the drying agent falls to the lowest end of the containing box 210 and flows out through the discharging groove, at this time, some drying agent is easy to stay at the lowest end of the containing box 210 and cannot contact the discharging groove, so that the quantitative drying agent cannot flow into the laying box 220 completely, the rotating rod II 460 is driven to rotate by the rotation of the output shaft of the gear motor II, the rotating rod II 460 is driven to rotate by the rotation of the rotating rod 450, the push plate 440 is driven to move back and forth by the rotation of the rotating rod 450, and the drying agent at the lowest end of the containing box 210 is transported to the discharging groove completely by the back and forth movement of the push plate 440, so that all the drying agent can flow into the laying box 220.
Claims (2)
1. A preparation method of a food packaging film is characterized by comprising the following steps: the method comprises the following steps:
step one: pouring the drying agent into a container, and fixing the dosage of the drying agent each time;
step two: the quantitative drying agent is uniformly paved on the food packaging film;
step three: cutting a piece of non-woven fabric;
step four: fixing a piece of non-woven fabric on a food packaging film with a drying agent;
the method also uses a food packaging film preparation device, the device comprises a main bracket (110), a connecting frame (120), a hot-melting device (130) and a cutting knife (140), the connecting frame (120) is fixed on the main bracket (110), the hot-melting device (130) is arranged on the connecting frame (120) through a hydraulic cylinder, the cutting knife (140) slides on the hot-melting device (130), and the main bracket (110) is provided with a food packaging film (111) and a non-woven fabric (112);
the food packaging film preparation device further comprises a supporting plate (150), the supporting plate (150) is fixed on the main support (110), the moving directions of the food packaging film (111) and the non-woven fabric (112) on the horizontal plane are mutually perpendicular, and the non-woven fabric (112) is positioned above the food packaging film (111);
the food packaging film preparation device further comprises a containing box (210), a laying box (220) and screw rods (230), wherein the laying box (220) slides on the containing box (210), the two screw rods (230) are both rotated on the containing box (210), and the two screw rods (230) are both in threaded transmission with the laying box (220);
the device comprises a baffle plate (240), friction wheels (250) and pulley groups (270), wherein the baffle plate (240) rotates on a laying box (220), the two friction wheels (250) are fixed on the baffle plate (240), and the two pulley groups (270) are in friction transmission with the two friction wheels (250) respectively;
the food packaging film preparation device further comprises a belt wheel shaft (330) and a conveying belt (340), wherein the belt wheel shaft (330) rotates on the containing box (210), and the belt wheel shaft (330) and the conveying belt (340) are in friction transmission;
the food packaging film preparation device further comprises sliding rods (310) and a trowelling roller (320), wherein the two sliding rods (310) are both slid on the laying box (220), and the trowelling roller (320) rotates between the two sliding rods (310);
the food packaging film preparation device further comprises a rotating plate (420), a feeding hole (211) is formed in the accommodating box (210), a discharging hole (212) is formed in the accommodating box (210), and the rotating plate (420) rotates between the feeding hole (211) and the discharging hole (212);
the food packaging film preparation device further comprises a push plate (440), a rotating rod (450) and a rotating rod II (460), wherein the rotating rod (450) rotates on the rotating rod II (460), the rotating rod (450) rotates on the push plate (440), and the push plate (440) slides on the containing box (210).
2. A food packaging film prepared by the method for preparing a food packaging film according to claim 1, characterized in that: a layer of drying agent is paved on the food packaging film, and a layer of non-woven fabric is fixed at the position corresponding to the drying agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110798627.6A CN113459627B (en) | 2021-07-15 | 2021-07-15 | Food packaging film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110798627.6A CN113459627B (en) | 2021-07-15 | 2021-07-15 | Food packaging film and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113459627A CN113459627A (en) | 2021-10-01 |
| CN113459627B true CN113459627B (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110798627.6A Active CN113459627B (en) | 2021-07-15 | 2021-07-15 | Food packaging film and preparation method thereof |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2352518C (en) * | 2001-07-06 | 2003-09-23 | Interwrap Industries Inc. | Recyclable, multi-layer packaging material capable of water absorption and desorption |
| JP2003129041A (en) * | 2001-10-25 | 2003-05-08 | Maikooru Kk | Exothermic composition, exothermic element using the same and method for producing the exothermic element |
| JP2004082071A (en) * | 2002-08-29 | 2004-03-18 | Karumikkusu:Kk | Desiccant packaging sheet and dryer |
| JP2005178823A (en) * | 2003-12-18 | 2005-07-07 | Tsuboi:Kk | Desiccant packaging bag |
| JP5387090B2 (en) * | 2009-03-27 | 2014-01-15 | 大日本印刷株式会社 | Laminated film and packaging bag using the same |
| KR101276022B1 (en) * | 2013-04-17 | 2013-06-19 | 나태욱 | Device for wrapping foodstuffs |
| CN105083608B (en) * | 2014-05-20 | 2019-08-30 | 艾博生物医药(杭州)有限公司 | A kind of rolling packing machine and packing method |
| CN109533517A (en) * | 2018-12-28 | 2019-03-29 | 苏州比雷艾斯电子科技有限公司 | A kind of food package and packing method with quantitative function |
| CN210556015U (en) * | 2019-07-25 | 2020-05-19 | 海宁南化环保科技有限公司 | Packing and cutting machine for bagged drying agent |
| CN111305010B (en) * | 2020-03-19 | 2021-09-28 | 广东恒大路桥建设有限公司 | Road asphalt laying device and asphalt laying method |
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2021
- 2021-07-15 CN CN202110798627.6A patent/CN113459627B/en active Active
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| CN113459627A (en) | 2021-10-01 |
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