CN113817187A - High-temperature-resistant cooking film and preparation method thereof - Google Patents
High-temperature-resistant cooking film and preparation method thereof Download PDFInfo
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- CN113817187A CN113817187A CN202110935687.8A CN202110935687A CN113817187A CN 113817187 A CN113817187 A CN 113817187A CN 202110935687 A CN202110935687 A CN 202110935687A CN 113817187 A CN113817187 A CN 113817187A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/02—Supporting web roll
- B65H16/04—Supporting web roll cantilever type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/02—Supporting web roll
- B65H18/026—Cantilever type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- 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
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- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
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Abstract
The invention relates to the technical field of cooking films and discloses a high-temperature-resistant cooking film winding device which comprises a support, wherein an unwinding roller is fixedly connected to the front side of the support, a guide shaft is movably connected to the front side of the support, a pressing roller is movably connected to the inner wall of the support, a pressing shaft is movably connected to the top of the support, a winding roller is movably connected to the inner wall of the support, an electric push rod is movably connected to the inner wall of the middle of the support, and a clamping table is fixedly connected to the top of the electric push rod. According to the high-temperature-resistant cooking film and the preparation method thereof, the electromagnet is driven to operate through the centrifugal trigger, the electromagnet drives the first magnetic block to operate, the magnetic block drives the telescopic rod to move, and the electromagnet and the arc-shaped clamping rod are matched with the static generator and the static removing roller for use, so that the film roll thickness can be automatically detected, the film roll can be automatically taken out, the film is subjected to static treatment, and the quality is guaranteed.
Description
Technical Field
The invention relates to the technical field of a cooking film, in particular to a high-temperature-resistant cooking film and a preparation method thereof.
Background
In order to ensure the freshness and nutrition of convenience food, prolong the shelf life of the food and ensure that the food is not damaged in the transportation and storage processes, the food needs to be coated with a film for fresh keeping, wherein the film coated on the food needing secondary heating needs to have the characteristics of high temperature resistance and steaming resistance, so various types of preservative films are produced, and the excellent characteristic of the steaming film is widely applied to the aspect of food fresh keeping.
The existing membrane coiling device for steaming and boiling is simple in structure, high efficiency of coiling cannot be achieved, membranes are generally required to be manually taken, manufacturing cost is increased for enterprises, the traditional coiling device is not provided with electrostatic treatment, and the membrane is easily steamed and boiled to influence later use.
Therefore, we propose a autoclavable film and method of making the same to solve the above problems by taking up using thickness detection and using electrostatic removal.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the high-temperature-resistant boiling film and the preparation method thereof, which have the advantages of automatically detecting the thickness of the rolled film, automatically taking out the film roll, carrying out electrostatic treatment on the film and ensuring the quality, and solve the problem that the traditional rolling device has single function and does not remove static electricity.
In order to realize the purposes of automatically detecting the thickness of the rolled film, automatically taking out the film roll and carrying out electrostatic treatment on the film to ensure the quality, the invention provides the following technical scheme: the high-temperature-resistant cooking film comprises the following components in parts by mass: 95-100 parts of polypropylene resin, 5-10 parts of zeolite, 1-3 parts of distearoyl isopropoxy aluminate coupling agent, 3-5 parts of zinc stearate and 3-5 parts of polyethylene wax.
98 parts of polypropylene resin, 8 parts of zeolite, 2 parts of distearoyl isopropoxy aluminate coupling agent, 4 parts of zinc stearate and 4 parts of polyethylene wax.
The preparation process of the cooking film comprises the following specific steps:
s1: the zeolite was placed in a ball mill, according to the zeolite: grinding balls: ball milling is carried out on water =1:3:0.8 to obtain ball-milled zeolite, the obtained ball-milled zeolite passes through a 600-mesh screen to obtain first sieved zeolite, and the obtained ball-milled zeolite passes through a 800-mesh screen to obtain second sieved zeolite;
s2: placing the first sieved zeolite obtained in the step S1, polyethylene wax, zinc stearate, distearoyl isopropoxy aluminate coupling agent and polypropylene resin in a high-speed centrifugal mixing stirrer for mixing, so as to obtain a final mixed material, wherein the mixing and stirring time of the high-speed centrifugal mixing stirrer is 15min, and the rotating speed of the high-speed mixer is 200 r/min;
s3, placing the final mixed material obtained in the step S2 in a double-screw granulator for extrusion granulation to obtain a high-temperature-resistant mixed material, wherein the temperature during extrusion granulation is as follows: heating the first zone at 150 ℃, heating the second zone at 200 ℃, and cooling the water at 30 ℃;
and S4, feeding the high-temperature-resistant mixed material obtained in the step S3 into a screw of a single-layer extruder, extruding a film, and then rolling and cutting to obtain the high-temperature-resistant cooking film.
The high-temperature-resistant cooking film winding device comprises a support, wherein an unwinding roller is fixedly connected to the front side of the support, a guide shaft is movably connected to the front side of the support, a compression roller is movably connected to the inner wall of the support, a pressing shaft is movably connected to the top of the support, a winding roller is movably connected to the inner wall of the support, an electric push rod is movably connected to the inner wall of the middle of the support, a clamping table is fixedly connected to the top of the electric push rod, a thickness sensor is fixedly connected to the top of the clamping table, an insertion hole is formed in the inner wall of the middle of the clamping table, a supporting table is fixedly connected to the front side of the clamping table, and an electromagnet is fixedly connected to the inner wall of the middle of the winding roller;
the winding roller middle part inner wall has seted up flexible groove, flexible groove middle part inner wall swing joint has the telescopic link, telescopic link middle part inner wall fixedly connected with magnetic path one, the inboard fixedly connected with reset spring of telescopic link, winding roller middle part inner wall fixedly connected with centrifugal trigger, press from both sides and get platform middle part inner wall fixedly connected with electro-magnet, press from both sides and get platform middle part inner wall swing joint and have the arc clamping bar, the inboard fixedly connected with rubber protection layer of arc clamping bar, arc clamping bar middle part inner wall fixedly connected with magnetic path two, arc clamping bar outside fixedly connected with positioning spring, the last shaft bottom fixedly connected with static generater down, static generater middle part inner wall swing joint has the roller that destatics.
As optimization, the groove with electric putter adaptation is seted up to support middle part inner wall, thereby electric putter drives along the inslot wall is interactive to press from both sides and gets the platform and carry out concertina movement to reach and get and put finished product membrane book.
As optimization, the size of the guide shaft is smaller than that of the support, the surface of the guide shaft is smooth, and the guide shaft mainly plays a role in guiding to avoid loosening and offsetting of the cooking film in the winding process.
As optimization, centrifugal trigger and electromagnet electric connection, the quantity of centrifugal trigger is two, and is controlled the circular telegram of electromagnet through sheltering from to centrifugal trigger to make the telescopic link fix the fiber container to the outside.
As optimization, the length that anti-skidding line and telescopic link were seted up in the telescopic link outside is greater than the length of wind-up roll and the quantity of telescopic link is four, and the telescopic link is outside motion and laminating with the fiber container inner wall under the drive of magnetic path one, and anti-skidding line mainly increases the frictional force of telescopic link and fiber container inner wall, prevents that flexible, assurance telescopic link's stability from appearing with the fiber container inner wall.
As optimization, the length of the reset spring is smaller than that of the telescopic rod, the reset spring is fixedly connected with the inner wall of the telescopic groove, and the reset spring mainly plays a role in resetting the telescopic rod.
Preferably, the size of the first magnetic block is smaller than that of the telescopic rod, the magnetic pole on the inner side of the first magnetic block is the same as that on the outer side of the electromagnet, and the first magnetic block is electrified to generate a magnetic field, so that the first magnetic block is subjected to repulsive force to drive the telescopic rod to move.
Preferably, the size of the electromagnet is smaller than that of the clamping table, the magnetic pole of the inner side of the electromagnet is the same as that of the magnetic pole of the outer side of the magnetic block II, the electromagnet is electrified to generate a magnetic field, so that the magnetic block II is subjected to repulsive force to drive the arc-shaped clamping rod to move inwards, and the wound cooking film is taken down from the winding roller.
The invention has the beneficial effects that: according to the high-temperature-resistant cooking film and the preparation method thereof, the electromagnet is driven to operate through the centrifugal trigger, the electromagnet drives the first magnetic block to operate, the magnetic block drives the telescopic rod to move, and the electromagnet and the arc-shaped clamping rod are matched with the static generator and the static removing roller for use, so that the film roll thickness can be automatically detected, the film roll can be automatically taken out, the film is subjected to static treatment, and the quality is guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a wind-up roll of the present invention;
FIG. 3 is a schematic view of the clamping table of the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of an arcuate clamping bar of the present invention;
FIG. 6 is a schematic view of the destaticizing roll of the present invention.
In the figure: 1. a support; 2. unwinding rollers; 3. a guide shaft; 4. a compression roller; 5. pressing down the shaft; 6. a wind-up roll; 7. a thickness sensor; 8. a jack; 9. a gripping table; 10. a saddle; 11. an electromagnet; 12. a first magnetic block; 13. a telescopic rod; 14. a return spring; 15. a centrifugal trigger; 16. a telescopic groove; 17. an electric push rod; 18. an electromagnet; 19. a positioning spring; 20. an arc-shaped clamping rod; 21. a second magnetic block; 22. a rubber protective layer; 23. an electrostatic generator; 24. and (4) a static removing roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
95 parts of polypropylene resin, 5 parts of zeolite, 1 part of distearoyl isopropoxy aluminate coupling agent, 3 parts of zinc stearate and 3 parts of polyethylene wax.
The preparation process of the high-temperature-resistant cooking film comprises the following specific steps:
s1: the zeolite was placed in a ball mill, according to the zeolite: grinding balls: ball milling is carried out on water =1:3:0.8 to obtain ball-milled zeolite, the obtained ball-milled zeolite passes through a 600-mesh screen to obtain first sieved zeolite, and the obtained ball-milled zeolite passes through a 800-mesh screen to obtain second sieved zeolite;
s2: placing the first sieved zeolite obtained in the step S1, polyethylene wax, zinc stearate, distearoyl isopropoxy aluminate coupling agent and polypropylene resin in a high-speed centrifugal mixing stirrer for mixing, so as to obtain a final mixed material, wherein the mixing and stirring time of the high-speed centrifugal mixing stirrer is 15min, and the rotating speed of the high-speed mixer is 200 r/min;
s3, placing the final mixed material obtained in the step S2 in a double-screw granulator for extrusion granulation to obtain a high-temperature-resistant mixed material, wherein the temperature during extrusion granulation is as follows: heating the first zone at 150 ℃, heating the second zone at 200 ℃, and cooling the water at 30 ℃;
and S4, feeding the high-temperature-resistant mixed material obtained in the step S3 into a screw of a single-layer extruder, extruding a film, and then rolling and cutting to obtain the high-temperature-resistant cooking film.
Example two:
98 parts of polypropylene resin, 8 parts of zeolite, 2 parts of distearoyl isopropoxy aluminate coupling agent, 4 parts of zinc stearate and 4 parts of polyethylene wax.
The preparation process of the high-temperature-resistant cooking film comprises the following specific steps:
s1: the zeolite was placed in a ball mill, according to the zeolite: grinding balls: ball milling is carried out on water =1:2:0.8 to obtain ball-milled zeolite, the obtained ball-milled zeolite passes through a 600-mesh screen to obtain first sieved zeolite, and the obtained ball-milled zeolite passes through a 800-mesh screen to obtain second sieved zeolite;
s2: placing the first sieved zeolite obtained in the step S1, polyethylene wax, zinc stearate, distearoyl isopropoxy aluminate coupling agent and polypropylene resin in a high-speed centrifugal mixing stirrer for mixing, so as to obtain a final mixed material, wherein the mixing and stirring time of the high-speed centrifugal mixing stirrer is 15min, and the rotating speed of the high-speed mixer is 200 r/min;
s3, placing the final mixed material obtained in the step S2 in a double-screw granulator for extrusion granulation to obtain a high-temperature-resistant mixed material, wherein the temperature during extrusion granulation is as follows: heating the first zone at 150 ℃, heating the second zone at 200 ℃, and cooling the water at 30 ℃;
and S4, feeding the high-temperature-resistant mixed material obtained in the step S3 into a screw of a single-layer extruder, extruding a film, and then rolling and cutting to obtain the high-temperature-resistant cooking film.
Example three:
100 parts of polypropylene resin, 10 parts of zeolite, 3 parts of distearoyl isopropoxy aluminate coupling agent, 5 parts of zinc stearate and 5 parts of polyethylene wax.
The preparation process of the high-temperature-resistant cooking film comprises the following specific steps:
s1: the zeolite was placed in a ball mill, according to the zeolite: grinding balls: ball milling is carried out on water =1:3:0.9 to obtain ball-milled zeolite, the obtained ball-milled zeolite passes through a 600-mesh screen to obtain first sieved zeolite, and the obtained ball-milled zeolite passes through a 800-mesh screen to obtain second sieved zeolite;
s2: placing the first sieved zeolite obtained in the step S1, polyethylene wax, zinc stearate, distearoyl isopropoxy aluminate coupling agent and polypropylene resin in a high-speed centrifugal mixing stirrer for mixing, so as to obtain a final mixed material, wherein the mixing and stirring time of the high-speed centrifugal mixing stirrer is 15min, and the rotating speed of the high-speed mixer is 200 r/min;
s3, placing the final mixed material obtained in the step S2 in a double-screw granulator for extrusion granulation to obtain a high-temperature-resistant mixed material, wherein the temperature during extrusion granulation is as follows: heating the first zone at 150 ℃, heating the second zone at 200 ℃, and cooling the water at 30 ℃;
and S4, feeding the high-temperature-resistant mixed material obtained in the step S3 into a screw of a single-layer extruder, extruding a film, and then rolling and cutting to obtain the high-temperature-resistant cooking film.
Please refer to fig. 1-6: the high-temperature-resistant boiling film winding device comprises a support 1, a groove matched with an electric push rod 17 is formed in the inner wall of the middle of the support 1, the electric push rod 17 interacts along the inner wall of the groove to drive a clamping table 9 to perform telescopic motion so as to achieve the purpose of taking and placing a finished film roll, an unwinding roller 2 is fixedly connected to the front of the support 1, a guide shaft 3 is movably connected to the front of the support 1, the size of the guide shaft 3 is smaller than that of the support 1, the surface of the guide shaft 3 is smooth, the guide shaft 3 mainly plays a role in guiding to prevent the boiling film from loosening and offsetting in the winding process, and a compression roller 4 is movably connected to the inner wall of the support 1;
the top of the support 1 is movably connected with a lower pressing shaft 5, the preparation inner wall of the support 1 is movably connected with a wind-up roll 6, the inner wall of the middle part of the support 1 is movably connected with an electric push rod 17, the top of the electric push rod 17 is fixedly connected with a clamping table 9, the top of the clamping table 9 is fixedly connected with a thickness sensor 7, the inner wall of the middle part of the clamping table 9 is provided with an insertion hole 8, the front side of the clamping table 9 is fixedly connected with a supporting table 10, and the inner wall of the middle part of the wind-up roll 6 is fixedly connected with an electromagnet 11;
the inner wall of the middle of the winding roller 6 is provided with a telescopic groove 16, the inner wall of the middle of the telescopic groove 16 is movably connected with a telescopic rod 13, anti-slip patterns are formed in the outer side of the telescopic rod 13, the length of the telescopic rod 13 is larger than that of the winding roller 6, the number of the telescopic rods 13 is four, the telescopic rod 13 moves outwards under the driving of a first magnet 12 and is attached to the inner wall of the paper tube, the anti-slip patterns mainly increase the friction force between the telescopic rod 13 and the inner wall of the paper tube, the telescopic rod 13 and the inner wall of the paper tube are prevented from loosening, the stability of the telescopic rod 13 is guaranteed, the inner wall of the middle of the telescopic rod 13 is fixedly connected with a first magnet 12, the size of the first magnet 12 is smaller than that of the telescopic rod 13, the magnetic pole on the inner side of the first magnet 12 is the same as the magnetic pole on the outer side of the electromagnet 11, and the first magnet 12 is electrified to generate a magnetic field, so that the first magnet 12 is subjected to repulsive force to drive the telescopic rod 13 to move;
the inner side of the telescopic rod 13 is fixedly connected with a reset spring 14, the length of the reset spring 14 is smaller than that of the telescopic rod 13, the reset spring 14 is fixedly connected with the inner wall of a telescopic groove 16, the reset spring 14 mainly plays a role of resetting the telescopic rod 13, the inner wall of the middle part of the wind-up roll 6 is fixedly connected with a centrifugal trigger 15, the centrifugal trigger 15 is electrically connected with the electromagnet 11, the number of the centrifugal triggers 15 is two, the on-off of the electromagnet 11 is controlled by shielding the centrifugal trigger 15, so that the telescopic rod 13 fixes the paper tube to the outer side, the inner wall of the middle part of the clamping table 9 is fixedly connected with an electromagnet 18, the size of the electromagnet 18 is smaller than that of the clamping table 9, the magnetic pole of the inner side of the electromagnet 18 is the same as that of the magnetic pole of the outer side of the magnetic block two magnetic blocks 21, and the electromagnet 18 generates a magnetic field to enable the two magnetic blocks 21 to be subjected to repulsive force to drive the arc-shaped clamping rod 20 to move to the inner side, thereby realizing that the wound cooking film is taken down from the winding roller 6;
the inner wall of the middle of the clamping table 9 is movably connected with an arc-shaped clamping rod 20, the inner side of the arc-shaped clamping rod 20 is fixedly connected with a rubber protective layer 22, the inner wall of the middle of the arc-shaped clamping rod 20 is fixedly connected with a magnetic block II 21, the outer side of the arc-shaped clamping rod 20 is fixedly connected with a positioning spring 19, the bottom of a lower pressing shaft 5 is fixedly connected with a static electricity generator 23, the middle of the static electricity generator 23 is provided with a groove matched with a static electricity removing roller 24, the outer side of the static electricity removing roller 24 is smooth, the static electricity generator 23 is pressed down through the lower pressing shaft 5, so that the static electricity removing roller 24 is contacted with a cooking film to realize static electricity removal on the cooking film, and the inner wall of the middle of the static electricity generator 23 is movably connected with the static electricity removing roller 24.
The working principle is as follows: when the device is used, a finished cooking film is placed on the outer side of the unwinding roller 2, the cooking film is pulled to pass through the outer sides of the guide shaft 3 and the compression roller 4, the head end of the cooking film is fixed on the outer side of a winding paper drum, the winding roller 6 is rotated through an external control circuit, the centrifugal trigger 15 detects that the cooking film is subjected to centrifugal force, the electromagnet 11 is electrified to generate centrifugal force on the magnetic field magnet block I12, the telescopic rod 13 is further attached to the paper drum, a paper roll is further fixed, and the electric push rod 17 moves inwards to enable the clamping table 9 to pass through the outer side of the winding roller 6 before winding;
the cooking film is wound by the rotation of the winding roller 6, the cooking film moves outside the guide shaft 3 and the press roller 4, the lower press shaft 5 is extruded downwards to enable the static electricity generator 23 to move downwards, the static electricity removing roller 24 is in contact with the cooking film, static electricity carried by the cooking film is eliminated, along with the rotation of the winding roller 6, the cooking film outside the winding paper cylinder reaches a certain thickness, the thickness sensor 7 detects that the thickness reaches the expected thickness, the winding roller 6 stops rotating, the centrifugal trigger 15 detects that the centrifugal trigger is not acted by centrifugal force, the electromagnet 11 is powered off, the centrifugal force borne by the first magnetic block 12 disappears, the telescopic rod 13 is further separated from the paper cylinder, the cooking film is cut by the cutting equipment, and the electromagnet 18 is powered on to generate a magnetic field because the thickness sensor 7 detects that the cooking film reaches a certain thickness, the magnetic block II 21 is under the action of a magnetic field and further drives the arc-shaped clamping rod 20 to move inwards, so that the wound cooking film is taken out, the electric push rod 17 moves outwards through external control at the moment, and the wound cooking film is taken down.
In summary, the following steps: according to the high-temperature-resistant cooking film and the preparation method thereof, the electromagnet 11 is driven to operate through the centrifugal trigger 15, the electromagnet 11 drives the first magnetic block 12 to operate, the first magnetic block 12 drives the telescopic rod 13 to move, and then the electromagnet 18, the arc-shaped clamping rod 20, the static generator 23 and the static removing roller 24 are matched for use, so that the film roll thickness can be automatically detected, the film roll can be automatically taken out, the film is subjected to electrostatic treatment, and the quality is guaranteed.
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 able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (10)
1. High temperature resistant membrane of cooking, its characterized in that: the composite material comprises the following components in parts by mass: 95-100 parts of polypropylene resin, 5-10 parts of zeolite, 1-3 parts of distearoyl isopropoxy aluminate coupling agent, 3-5 parts of zinc stearate and 3-5 parts of polyethylene wax.
2. The autoclavable film of claim 1, wherein: 98 parts of polypropylene resin, 8 parts of zeolite, 2 parts of distearoyl isopropoxy aluminate coupling agent, 4 parts of zinc stearate and 4 parts of polyethylene wax.
3. The high-temperature cooking resistant film according to claim 1, wherein the preparation process of the cooking resistant film comprises the following specific steps:
s1: the zeolite was placed in a ball mill, according to the zeolite: grinding balls: ball milling is carried out on water =1:3:0.8 to obtain ball-milled zeolite, the obtained ball-milled zeolite passes through a 600-mesh screen to obtain first sieved zeolite, and the obtained ball-milled zeolite passes through a 800-mesh screen to obtain second sieved zeolite;
s2: placing the first sieved zeolite obtained in the step S1, polyethylene wax, zinc stearate, distearoyl isopropoxy aluminate coupling agent and polypropylene resin in a high-speed centrifugal mixing stirrer for mixing, so as to obtain a final mixed material, wherein the mixing and stirring time of the high-speed centrifugal mixing stirrer is 15min, and the rotating speed of the high-speed mixer is 200 r/min;
s3, placing the final mixed material obtained in the step S2 in a double-screw granulator for extrusion granulation to obtain a high-temperature-resistant mixed material, wherein the temperature during extrusion granulation is as follows: heating the first zone at 150 ℃, heating the second zone at 200 ℃, and cooling the water at 30 ℃;
and S4, feeding the high-temperature-resistant mixed material obtained in the step S3 into a screw of a single-layer extruder, extruding a film, and then rolling and slitting the film through a rolling device to obtain the high-temperature-resistant cooking film.
4. The film winding device resistant to high-temperature cooking as claimed in claim 3, wherein: the winding device comprises a support (1), wherein an unwinding roller (2) is fixedly connected to the front of the support (1), a guide shaft (3) is movably connected to the front of the support (1), a compression roller (4) is movably connected to the preparation inner wall of the support (1), a lower compression shaft (5) is movably connected to the top of the support (1), a winding roller (6) is movably connected to the preparation inner wall of the support (1), an electric push rod (17) is movably connected to the middle inner wall of the support (1), a clamping table (9) is fixedly connected to the top of the electric push rod (17), a thickness sensor (7) is fixedly connected to the top of the clamping table (9), an insertion hole (8) is formed in the middle inner wall of the clamping table (9), a supporting table (10) is fixedly connected to the front of the clamping table (9), and an electromagnet (11) is fixedly connected to the middle inner wall of the winding roller (6);
the winding roller is characterized in that a telescopic groove (16) is formed in the inner wall of the middle of the winding roller (6), a telescopic rod (13) is movably connected to the inner wall of the middle of the telescopic groove (16), a first magnetic block (12) is fixedly connected to the inner wall of the middle of the telescopic rod (13), a reset spring (14) is fixedly connected to the inner side of the telescopic rod (13), a centrifugal trigger (15) is fixedly connected to the inner wall of the middle of the winding roller (6), an electromagnet (18) is fixedly connected to the inner wall of the middle of the clamping table (9), an arc-shaped clamping rod (20) is movably connected to the inner wall of the middle of the clamping table (9), a rubber protective layer (22) is fixedly connected to the inner side of the arc-shaped clamping rod (20), a second magnetic block (21) is fixedly connected to the inner wall of the middle of the arc-shaped clamping rod (20), a positioning spring (19) is fixedly connected to the outer side of the arc-shaped clamping rod (20), and a static electricity generator (23) is fixedly connected to the bottom of the lower pressing shaft (5), the inner wall of the middle part of the static electricity generator (23) is movably connected with a static electricity removing roller (24).
5. The winding device of the high-temperature resistant cooking film according to claim 4, wherein the winding device of the cooking film comprises: the inner wall of the middle part of the bracket (1) is provided with a groove matched with the electric push rod (17).
6. The winding device of the high-temperature resistant cooking film according to claim 4, wherein the winding device of the cooking film comprises: the size of the guide shaft (3) is smaller than that of the bracket (1), and the surface of the guide shaft (3) is smooth.
7. The winding device of the high-temperature resistant cooking film according to claim 4, wherein the winding device of the cooking film comprises: the centrifugal triggers (15) are electrically connected with the electromagnets (11), and the number of the centrifugal triggers (15) is two.
8. The winding device of the high-temperature resistant cooking film according to claim 4, wherein the winding device of the cooking film comprises: the size of the first magnetic block (12) is smaller than that of the telescopic rod (13), and the magnetic pole on the inner side of the first magnetic block (12) is the same as the magnetic pole on the outer side of the electromagnet (11).
9. The winding device of the high-temperature resistant cooking film according to claim 4, wherein the winding device of the cooking film comprises: the size of the electromagnet (18) is smaller than that of the clamping table (9), and the magnetic pole on the inner side of the electromagnet (18) is the same as the magnetic pole on the outer side of the magnetic block II (21).
10. High temperature resistant membrane of cooking, its characterized in that: the cooking film is prepared by the preparation process of claim 3.
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| CN202110935687.8A CN113817187A (en) | 2021-08-16 | 2021-08-16 | High-temperature-resistant cooking film and preparation method thereof |
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| CN202110935687.8A CN113817187A (en) | 2021-08-16 | 2021-08-16 | High-temperature-resistant cooking film and preparation method thereof |
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| EP1063190A2 (en) * | 1999-06-22 | 2000-12-27 | Fuji Photo Film Co., Ltd. | Method of and apparatus for winding film, method of and apparatus for supplying film roll core, and method of and apparatus for inspecting appearance of film roll |
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| EP1063190A2 (en) * | 1999-06-22 | 2000-12-27 | Fuji Photo Film Co., Ltd. | Method of and apparatus for winding film, method of and apparatus for supplying film roll core, and method of and apparatus for inspecting appearance of film roll |
| JP2003267602A (en) * | 2002-03-15 | 2003-09-25 | Fuji Photo Film Co Ltd | Automatic winding device, and automatic processing system of strip material |
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