CN111138819A - Plastic film - Google Patents
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- CN111138819A CN111138819A CN202010133236.8A CN202010133236A CN111138819A CN 111138819 A CN111138819 A CN 111138819A CN 202010133236 A CN202010133236 A CN 202010133236A CN 111138819 A CN111138819 A CN 111138819A
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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
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
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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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
-
- 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
- B65H2701/17—Nature of material
- B65H2701/175—Plastic
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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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
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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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2427/06—Homopolymers or copolymers of vinyl chloride
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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
- C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2471/02—Polyalkylene oxides
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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
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/15—Heterocyclic compounds having oxygen in the ring
- C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
- C08K5/1515—Three-membered rings
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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
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention belongs to the technical field of plastic films, and particularly relates to a plastic film; the winding device comprises a collecting mechanism and a processing mechanism; the opposite sides of the two baffles are rotatably connected with a rotating stick through a rotating shaft at the central position; the end surfaces of one sides of the two baffle plates, which are parallel to the rotating stick, are fixedly connected with supporting rods; the end surface of the other side of each of the two support rods is fixedly connected with a processing mechanism; a first round rod is rotatably connected in the through groove through a first rotating rod; second round rods which are uniformly arranged are rotatably connected in the inner wall of the through groove below the first round rod through a second rotating shaft; the invention is mainly used for solving the problems that in the prior production process of plastic films, brand-new materials are often adopted to manufacture the plastic films, some used films are often discarded, so that the resource waste and the environment pollution are caused, and meanwhile, in the process of collecting the plastic films, the plastic films sometimes cause the folding phenomenon, so that the non-uniform collection of the films is caused.
Description
Technical Field
The invention belongs to the technical field of plastic films, and particularly relates to a plastic film.
Background
Plastic films are films made of polyvinyl chloride, polyethylene, polypropylene, polystyrene, and other resins, and are used for packaging and as a film coating layer. Plastic packages and plastic package products have a growing share in the market, and particularly, composite plastic flexible packages have been widely used in the fields of food, medicine, chemical industry and the like, wherein the proportion of food packages is the largest, such as beverage packages, quick-frozen food packages, steamed and cooked food packages, fast food packages and the like, and these products bring great convenience to the life of people, and the introduction of plastic films can show the journal period: zhang Yi, the research progress of high transparent polyolefin plastic film, petrochemical technology, 2019(06), but still has some problems in the production process of the current plastic film, and particularly comprises the following aspects:
(1) in present plastic film's production process, often adopt brand-new material to make plastic film, and some films after using often can abandon, thereby cause the condition of wasting of resources and polluted environment, simultaneously in the in-process of collecting plastic film, plastic film can cause folding phenomenon sometimes, thereby cause the inhomogeneous problem of collecting of film, for example patent 201410438642.X patent name is a plastic film, this technical scheme does not utilize the material of recovery at the in-process of preparation plastic film, when collecting the film, also cause the problem that the film is folded easily simultaneously.
In view of this, in order to overcome the above technical problems, the present company has designed and developed a plastic film, manufactured a special winding device, and solved the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the plastic film provided by the invention is mainly used for solving the problems that in the production process of the existing plastic film, brand-new materials are often adopted to manufacture the plastic film, some used films are often discarded, so that the resource waste and the environment pollution are caused, and meanwhile, in the process of collecting the plastic film, the plastic film sometimes causes a folding phenomenon, so that the film is not uniformly collected.
The technical scheme adopted by the invention for solving the technical problems is as follows: a plastic film according to the present invention; the feed is prepared from the following raw materials:
20-30 parts of film-grade polyethylene, 30-35 parts of film-grade polylactic acid, 2-5 parts of polyethylene glycol, 1-3 parts of triphenyl phosphite, 20-30 parts of polyvinyl chloride film reclaimed materials, 3-5 parts of plasticizer and 4-6 parts of transparent agent;
the plastic film prepared by mixing the raw materials is used, so that the prepared plastic film has stronger physical stability, the oxidation resistance of the film can be improved, the transparency and the glossiness of the plastic film can be enhanced, the toughness and the wear resistance of the plastic film can be enhanced, the polyvinyl chloride film reclaimed material selected from the raw materials is a used waste material, the mechanical strength and the stretch-resistant capability of the plastic film can be improved when the polyvinyl chloride film is prepared by containing a large amount of polyvinyl chloride, and meanwhile, the waste raw materials can be reused to prevent the plastic film from polluting the environment.
The manufacturing method of the plastic film comprises the following steps:
s1: cleaning and dedusting the recycled polyvinyl chloride film materials in the raw materials, putting the recycled polyvinyl chloride film materials into a dryer after cleaning, and continuously drying for 30-40 minutes at the temperature of 25-35 ℃; the polyvinyl chloride film reclaimed material is cleaned and dedusted, so that impurities in the process of mixing the polyvinyl chloride film reclaimed material with other raw materials are prevented, and the smoothness and the transparency of the manufactured film are reduced.
S2: putting the polyvinyl chloride film reclaimed material dried in the step S1 into a crushing device for crushing treatment, wherein the crushing time is 30-45 minutes, and the crushing number is 100-110 meshes; the recycled polyvinyl chloride film material is crushed to be 110 meshes of 100-.
S3: putting the raw materials except the recycled polyvinyl chloride film material into a mixing and stirring device, mixing and stirring the raw materials, heating the mixing device to 25-30 ℃ in the stirring process, and stirring for 50-60 minutes; through stirring the mixture to the raw materials, can make the mixed degree that improves between raw materials and the raw materials to make the raw materials mixed more abundant, through heating mixing arrangement to 25-30 ℃, the activity is higher when 25-30 ℃ with the raw materials in the mixing arrangement, thereby further improves the mixed degree of raw materials.
S4: stirring the raw materials in the step S3 for 15-20 minutes, putting the crushed raw materials in the step S2 into a mixing and stirring device, stirring and mixing the crushed raw materials with other raw materials, taking out the raw materials after mixing is finished, and cooling for 30-40 minutes; by putting the crushed raw materials in the step S2 into the mixing and stirring device to mix, the crushed raw materials and the mixed raw materials can be fully mixed, so that insufficient mixing between the raw materials can be prevented, and the quality of the plastic film can be reduced.
S5: injecting the cooled raw material of S4 into a plastic film blowing machine, melting and extruding the raw material into a film, and winding the raw material into a winding device after the raw material forms a film; collect the plastic film that the preparation was accomplished through using the coiling mechanism, can prevent that plastic film from taking place phenomenons such as folding at the in-process of collecting.
Preferably, the plasticizer is a mixture of diisooctyl phthalate and epoxy octyl stearate; the epoxy octyl stearate contained in the plasticizer is a light yellow oily liquid, has strong drawing resistance and transparency, can improve the tensile resistance and mechanical strength of the plastic film, thereby prolonging the service life of the plastic film, and can enhance the characteristics of the transparency agent after the epoxy octyl stearate raw material is mixed with the transparency agent, thereby improving the transparency degree and smoothness degree of the plastic film.
Preferably, the transparent agent contains 10-15% of nano-scale antibacterial master batch; the nano-scale antibacterial master batch contained in the transparent agent is prepared by uniformly dispersing various antibacterial agents in matrix resin to form a concentrated body, has good antibacterial property and antibacterial long-acting property, and has stable performance in use; the nano-scale antibacterial master batch can be fully mixed with other raw materials in the process of mixing the raw materials, and meanwhile, the prepared plastic film has certain antibacterial performance.
Preferably, the winding device comprises a collecting mechanism and a processing mechanism; the collecting mechanism comprises a baffle and a rotating rod; the number of the baffles is two; the opposite sides of the two baffles are rotatably connected with a rotating stick through a rotating shaft at the central position; a motor is fixedly installed on the end face of the baffle on the left side, and a driving shaft of the motor is fixedly connected with the rotating shaft; the lower surfaces of the two baffle plates are fixedly connected with support legs; the end surfaces of one sides of the two baffle plates, which are parallel to the rotating stick, are fixedly connected with supporting rods; the end surface of the other side of each of the two support rods is fixedly connected with a processing mechanism; the processing mechanism comprises a long block; a through groove is formed in the inner wall of the long block; a first round rod is rotatably connected in the through groove through a first rotating rod; the outer surface of the first round rod is made of rubber materials; the rubber layer on the outer surface of the first rotating rod is fixedly connected with evenly distributed fluff; second round rods which are uniformly arranged are rotatably connected in the inner wall of the through groove through a second rotating shaft below the first round rods, and the number of the second round rods is two; the outer surfaces of the two second round rods are fixedly connected with spiral strips, and the spiral directions of the spiral strips are opposite; when the plastic film collecting device works, when the winding device starts to collect the manufactured plastic film, the plastic film firstly passes through the processing mechanism and is wound on the rotating rod manually, the controller controls the motor to rotate slowly at a constant speed, when the plastic film passes through the processing mechanism, the first round rod can be driven to rotate, the plastic film can be attached to the first round rod to rotate in the rotating process of the first round rod, the plastic film can be prevented from being folded in the process, so that the collected plastic film is uneven, because the outer surface of the first round rod is made of rubber materials, when the plastic film is attached to the first round rod, the first round rod can be prevented from scratching the plastic film, so that the quality problem of the plastic film can be ensured, because the outer surface of the first round rod is fixedly connected with evenly distributed fluff, when the plastic film passes through the first round rod, the fluff can clean the plastic film once, can prevent to have foreign particles on the plastic film, thereby make the plastic film who collects form the seal of a government organization in old china, plastic film can also drive the second pole simultaneously and rotate, because the second pole surface has linked firmly the spiral strip, and the spiral direction of spiral strip is opposite, at second pole pivoted in-process, can push away plastic film to both sides, thereby make plastic film be in tensile state, can prevent plastic film at this in-process and take place to fold, thereby make plastic film distribute at the in-process of rolling unevenly.
Preferably, the upper surface of the long block is fixedly connected with a solution tank, and a mixed solution of a bactericide and a lubricant is contained in the solution tank; an elongated slot is arranged in the inner wall of the long block below the solution tank and is communicated with the solution tank through a conduit; uniformly arranged liquid leakage holes are formed in the inner wall of the long plate below the long groove, and the liquid leakage holes are attached to the outer surface of the first round rod; when the device works, in the process that the plastic film drives the first round rod to rotate, because the solution tank is filled with the mixed solution of the bactericide and the lubricant, the mixed solution in the solution tank flows into the long groove through the guide pipe, the mixed solution in the long groove flows to the outer surface of the first round rod through the uniformly arranged liquid leaking holes, and the fluff fixedly connected with the outer surface of the first round rod can absorb the mixed solution, the mixed solution is uniformly coated on the plastic film through the rotation of the first round rod, in the process, the plastic film can be sterilized once, when the plastic film is wound and rolled, the bonding degree between the plastic films can be improved, and meanwhile, the plastic film can be ensured to be always in a sterile or less-sterile state, the leakage hole is attached to the outer surface of the first round rod, so that more mixed solution can be prevented from flowing out of the long groove, and waste is caused.
Preferably, the end faces of one side of each baffle, which are parallel to the rotating rod, are provided with sliding grooves; sliding blocks are connected in the two sliding grooves in a sliding mode and fixedly connected with the supporting rod; the two sliding grooves are respectively and rotatably connected with a lead screw through a rotating shaft, and the lead screws are respectively and rotatably connected with the sliding blocks; the tops of the two lead screws are fixedly connected with a hexagonal block; the during operation, when needs adjustment processing mechanism's height, can rotate hexagonal piece through using the spanner, can drive the lead screw at hexagonal piece pivoted in-process and rotate, the lead screw can drive the slider and reciprocate simultaneously to can adjust processing mechanism's height at will, through adjusting processing mechanism at will at this in-process, can control the tensile dynamics of plastic film to first round bar, thereby can guarantee the even degree of plastic film on changeing the rod.
The invention has the following beneficial effects:
1. according to the invention, the antibacterial master batch is added, and the nano-scale antibacterial master batch contained in the transparent agent is a concentrated body prepared by uniformly dispersing various antibacterial agents in matrix resin, so that the antibacterial transparent coating has good antibacterial property and antibacterial long-acting property, and has stable performance in use; the nano-scale antibacterial master batch can be fully mixed with other raw materials in the process of mixing the raw materials, and meanwhile, the prepared plastic film has certain antibacterial performance.
2. The invention arranges the solution box, when the plastic film drives the first round bar to rotate, because the mixed solution of the bactericide and the lubricant is arranged in the solution box, the mixed solution in the solution box flows into the long groove through the conduit, the mixed solution in the long groove flows to the outer surface of the first round bar through the uniformly arranged weep holes, the villus fixedly connected with the outer surface of the first round bar can absorb the mixed solution, the mixed solution is uniformly coated on the plastic film through the rotation of the first round bar, the plastic film can be sterilized once in the process, when the plastic film is wound and rolled, the bonding degree between the plastic films can be improved, meanwhile, the plastic film can be ensured to be in a sterile or bacteria-free state all the time, because the weep holes are bonded with the outer surface of the first round bar, more mixed solution can be prevented from flowing out of the long groove, thereby causing waste.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a front view of the winding apparatus of the present invention;
FIG. 3 is a cross-sectional view of the winding apparatus of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
in the figure: the collecting mechanism 1, a baffle 11, a rotary rod 12, a motor 13, a support leg 14, a chute 15, a slide block 16, a support rod 17, a screw rod 18, a hexagonal block 19,
A processing mechanism 2, a long block 21, a through groove 22, a first round rod 23, a fluff 24, a second round rod 25, a spiral strip 26, a solution tank 27, a long groove 28, a liquid leakage hole 29,
Detailed Description
A plastic film according to an embodiment of the present invention will be described below with reference to fig. 1 to 4.
As shown in fig. 1 to 4, a plastic film according to the present invention; the feed is prepared from the following raw materials:
20-30 parts of film-grade polyethylene, 30-35 parts of film-grade polylactic acid, 2-5 parts of polyethylene glycol, 1-3 parts of triphenyl phosphite, 20-30 parts of polyvinyl chloride film reclaimed materials, 3-5 parts of plasticizer and 4-6 parts of transparent agent;
the plastic film prepared by mixing the raw materials is used, so that the prepared plastic film has stronger physical stability, the oxidation resistance of the film can be improved, the transparency and the glossiness of the plastic film can be enhanced, the toughness and the wear resistance of the plastic film can be enhanced, the polyvinyl chloride film reclaimed material selected from the raw materials is a used waste material, the mechanical strength and the stretch-resistant capability of the plastic film can be improved when the polyvinyl chloride film is prepared by containing a large amount of polyvinyl chloride, and meanwhile, the waste raw materials can be reused to prevent the plastic film from polluting the environment.
The manufacturing method of the plastic film comprises the following steps:
s1: cleaning and dedusting the recycled polyvinyl chloride film materials in the raw materials, putting the recycled polyvinyl chloride film materials into a dryer after cleaning, and continuously drying for 30-40 minutes at the temperature of 25-35 ℃; the polyvinyl chloride film reclaimed material is cleaned and dedusted, so that impurities in the process of mixing the polyvinyl chloride film reclaimed material with other raw materials are prevented, and the smoothness and the transparency of the manufactured film are reduced.
S2: putting the polyvinyl chloride film reclaimed material dried in the step S1 into a crushing device for crushing treatment, wherein the crushing time is 30-45 minutes, and the crushing number is 100-110 meshes; the recycled polyvinyl chloride film material is crushed to be 110 meshes of 100-.
S3: putting the raw materials except the recycled polyvinyl chloride film material into a mixing and stirring device, mixing and stirring the raw materials, heating the mixing device to 25-30 ℃ in the stirring process, and stirring for 50-60 minutes; through stirring the mixture to the raw materials, can make the mixed degree that improves between raw materials and the raw materials to make the raw materials mixed more abundant, through heating mixing arrangement to 25-30 ℃, the activity is higher when 25-30 ℃ with the raw materials in the mixing arrangement, thereby further improves the mixed degree of raw materials.
S4: stirring the raw materials in the step S3 for 15-20 minutes, putting the crushed raw materials in the step S2 into a mixing and stirring device, stirring and mixing the crushed raw materials with other raw materials, taking out the raw materials after mixing is finished, and cooling for 30-40 minutes; by putting the crushed raw materials in the step S2 into the mixing and stirring device to mix, the crushed raw materials and the mixed raw materials can be fully mixed, so that insufficient mixing between the raw materials can be prevented, and the quality of the plastic film can be reduced.
S5: injecting the cooled raw material of S4 into a plastic film blowing machine, melting and extruding the raw material into a film, and winding the raw material into a winding device after the raw material forms a film; collect the plastic film that the preparation was accomplished through using the coiling mechanism, can prevent that plastic film from taking place phenomenons such as folding at the in-process of collecting.
In one embodiment, the plasticizer is a mixture of diisooctyl phthalate and epoxy octyl stearate; the epoxy octyl stearate contained in the plasticizer is a light yellow oily liquid, has strong drawing resistance and transparency, can improve the tensile resistance and mechanical strength of the plastic film, thereby prolonging the service life of the plastic film, and can enhance the characteristics of the transparency agent after the epoxy octyl stearate raw material is mixed with the transparency agent, thereby improving the transparency degree and smoothness degree of the plastic film.
As an implementation mode, 10-15% of nano-scale antibacterial master batch is contained in the clearing agent; the nano-scale antibacterial master batch contained in the transparent agent is prepared by uniformly dispersing various antibacterial agents in matrix resin to form a concentrated body, has good antibacterial property and antibacterial long-acting property, and has stable performance in use; the nano-scale antibacterial master batch can be fully mixed with other raw materials in the process of mixing the raw materials, and meanwhile, the prepared plastic film has certain antibacterial performance.
As an embodiment, the winding device comprises a collecting mechanism 1 and a processing mechanism 2; the collecting mechanism 1 comprises a baffle plate 11 and a rotating rod 12; the number of the baffle plates 11 is two; the opposite sides of the two baffles 11 are rotatably connected with a rotating stick 12 through a rotating shaft at the central position; a motor 13 is fixedly arranged on the end face of the baffle plate 11 on the left side, and a driving shaft of the motor 13 is fixedly connected with the rotating shaft; the lower surfaces of the two baffle plates 11 are fixedly connected with supporting legs 14; the end surfaces of one sides of the two baffle plates 11, which are parallel to the rotary rod 12, are fixedly connected with supporting rods 17; the other side end faces of the two support rods 17 are fixedly connected with a processing mechanism 2; the handling means 2 comprise a long block 21; a through groove 22 is formed in the inner wall of the long block 21; a first round rod 23 is rotatably connected in the through groove 22 through a first rotating rod; the outer surface of the first round rod 23 is made of rubber material; the rubber layer on the outer surface of the first rotating rod 12 is fixedly connected with evenly distributed fluff 24; second round rods 25 which are uniformly arranged are rotatably connected in the inner wall of the through groove 22 below the first round rod 23 through a second rotating shaft, and the number of the second round rods 25 is two; the outer surfaces of the two second round rods 25 are fixedly connected with spiral strips 26, and the spiral directions of the spiral strips 26 are opposite; when the plastic film collecting device works, when the collecting device starts to collect the manufactured plastic film, the plastic film firstly passes through the processing mechanism 2 and is wound on the rotating rod 12 by hand, at the moment, the controller controls the motor 13 to rotate slowly at a constant speed, when the plastic film passes through the processing mechanism 2, the first round rod 23 can be driven to rotate, the plastic film can be attached to the first round rod 23 to rotate in the rotating process of the first round rod 23, the plastic film can be prevented from being folded in the process, so that the collected plastic film is not uniform, because the outer surface of the first round rod 23 is made of rubber materials, when the plastic film is attached to the first round rod 23, the first round rod 23 can be prevented from scratching the plastic film, and the quality problem of the plastic film can be ensured, because the outer surface of the first round rod 23 is fixedly connected with evenly arranged fluff 24, when the plastic film passes through the first round rod 23, fine hair 24 can carry out clearance once to plastic film, can prevent to have foreign particles on the plastic film, thereby make the plastic film of collection form the seal of a government organization in old china, plastic film can also drive second round bar 25 and rotate simultaneously, because second round bar 25 surface has linked firmly spiral strip 26, and spiral strip 26's spiral opposite direction, at second round bar 25 pivoted in-process, can push away plastic film to both sides, thereby make plastic film be in tensile state, can prevent that plastic film from taking place to fold at this in-process, thereby make plastic film distribute at the in-process of rolling unevenly.
As an embodiment, the upper surface of the long block 21 is fixedly connected with a solution tank 27, and the solution tank 27 contains a mixed solution of a bactericide and a lubricant; an elongated slot 28 is arranged in the inner wall of the long block 21 below the solution tank 27, and the elongated slot 28 is communicated with the solution tank 27 through a conduit; uniformly arranged liquid leakage holes 29 are formed in the inner wall of the long plate below the long groove 28, and the liquid leakage holes 29 are attached to the outer surface of the first round rod 23; when the device works, in the process that the plastic film drives the first round rod 23 to rotate, because the mixed solution of the bactericide and the lubricant is filled in the solution tank 27, the mixed solution in the solution tank 27 flows into the long groove 28 through the guide pipe, the mixed solution in the long groove 28 flows to the outer surface of the first round rod 23 through the uniformly arranged weep holes 29, the fluff 24 fixedly connected with the outer surface of the first round rod 23 can absorb the mixed solution, the mixed solution is uniformly coated on the plastic film through the rotation of the first round rod 23, the plastic film can be sterilized once in the process, when the plastic film is wound on a winding, the bonding degree between the plastic films can be improved, meanwhile, the plastic film can be ensured to be in a sterile or aseptic state all the time, because the weep holes 29 are bonded with the outer surface of the first round rod 23, more mixed solution can be prevented from flowing out of the long groove 28, thereby causing waste.
As an implementation mode, sliding grooves 15 are formed in the end surfaces of the two baffle plates 11, which are parallel to the rotating rod 12; the two sliding grooves 15 are connected with sliding blocks 16 in a sliding manner, and the sliding blocks 16 are fixedly connected with supporting rods 17; the two sliding grooves 15 are respectively and rotatably connected with a lead screw 18 through a rotating shaft, and the lead screws 18 are respectively and rotatably connected with a sliding block 16; the tops of the two lead screws 18 are fixedly connected with a hexagonal block 19; the during operation, when the height of processing mechanism 2 is adjusted to needs, can rotate hexagonal piece 19 through using the spanner, can drive lead screw 18 at hexagonal piece 19 pivoted in-process and rotate, lead screw 18 can drive slider 16 and reciprocate simultaneously to can adjust processing mechanism 2's height at will, through adjusting processing mechanism 2 at will at this in-process, can control the tensile dynamics of plastic film to first round bar 23, thereby can guarantee the even degree of plastic film on commentaries on classics rod 12.
The specific working process is as follows:
when the plastic film collecting device works, when the winding device starts to collect the manufactured plastic film, the plastic film firstly passes through the processing mechanism 2 and is wound on the rotating rod 12 by hand, at the moment, the controller controls the motor 13 to rotate slowly at a constant speed, when the plastic film passes through the processing mechanism 2, the first round rod 23 can be driven to rotate, the plastic film can be attached to the first round rod 23 to rotate in the rotating process of the first round rod 23, the plastic film can be prevented from being folded in the process, when the plastic film passes through the first round rod 23, the fluff 24 can clean the plastic film for one time, the impurity particles on the plastic film can be prevented, so that the collected plastic film forms marks, meanwhile, the plastic film can also drive the second round rod 25 to rotate, because the outer surface of the second round rod 25 is fixedly connected with the spiral strip 26, and the spiral direction of the spiral strip 26 is opposite, during the rotation of the second round bar 25, the plastic film can be pushed aside, so that the plastic film is in a stretched state.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited by the foregoing experimental group, and that the foregoing experimental group and description are only illustrative of the principles of the present invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as hereinafter claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A plastic film characterized by: the feed is prepared from the following raw materials:
20-30 parts of film-grade polyethylene, 30-35 parts of film-grade polylactic acid, 2-5 parts of polyethylene glycol, 1-3 parts of triphenyl phosphite, 20-30 parts of polyvinyl chloride film reclaimed materials, 3-5 parts of plasticizer and 4-6 parts of transparent agent.
The manufacturing method of the plastic film comprises the following steps:
s1: cleaning and dedusting the recycled polyvinyl chloride film materials in the raw materials, putting the recycled polyvinyl chloride film materials into a dryer after cleaning, and continuously drying for 30-40 minutes at the temperature of 25-35 ℃;
s2: putting the polyvinyl chloride film reclaimed material dried in the step S1 into a crushing device for crushing treatment, wherein the crushing time is 30-45 minutes, and the crushing number is 100-110 meshes;
s3: putting the raw materials except the recycled polyvinyl chloride film material into a mixing and stirring device, mixing and stirring the raw materials, heating the mixing device to 25-30 ℃ in the stirring process, and stirring for 50-60 minutes;
s4: stirring the raw materials in the step S3 for 15-20 minutes, putting the crushed raw materials in the step S2 into a mixing and stirring device, stirring and mixing the crushed raw materials with other raw materials, taking out the raw materials after mixing is finished, and cooling for 30-40 minutes;
s5: and (4) injecting the cooled raw material of S4 into a plastic film blowing machine, melting the raw material, extruding the molten raw material into a film, and winding the film on a winding device after the raw material is formed into a film.
2. A plastic film according to claim 1, wherein: the plasticizer comprises the mixture of dioctyl phthalate and epoxy octyl stearate.
3. A plastic film according to claim 1, wherein: the transparent agent contains 10-15% of nano-scale antibacterial master batch.
4. A plastic film according to claim 1, wherein: the winding device comprises a collecting mechanism (1) and a processing mechanism (2); the collecting mechanism (1) comprises a baffle (11) and a rotating rod (12); the number of the baffle plates (11) is two; the opposite sides of the two baffles (11) are rotatably connected with a rotating stick (12) through a rotating shaft at the central position; a motor (13) is fixedly installed on the end face of the baffle (11) on the left side, and a driving shaft of the motor (13) is fixedly connected with the rotating shaft; the lower surfaces of the two baffle plates (11) are fixedly connected with supporting legs (14); the end faces of one sides of the two baffle plates (11) parallel to the rotating stick (12) are fixedly connected with supporting rods (17); the end surface of the other side of each of the two support rods (17) is fixedly connected with a processing mechanism (2); the handling means (2) comprise a long block (21); a through groove (22) is formed in the inner wall of the long block (21); a first round rod (23) is rotatably connected in the through groove (22) through a first rotating rod; the outer surface of the first round rod (23) is made of rubber materials; the rubber layer on the outer surface of the first rotating rod (12) is fixedly connected with evenly distributed fluff (24); second round rods (25) which are uniformly arranged are rotatably connected in the inner wall of the through groove (22) below the first round rod (23) through a second rotating shaft, and the number of the second round rods (25) is two; the outer surfaces of the two second round rods (25) are fixedly connected with spiral strips (26), and the spiral directions of the spiral strips (26) are opposite.
5. A plastic film according to claim 4, wherein: the upper surface of the long block (21) is fixedly connected with a solution tank (27), and a mixed solution of a bactericide and a lubricant is contained in the solution tank (27); an elongated slot (28) is arranged in the inner wall of the long block (21) below the solution tank (27), and the elongated slot (28) is communicated with the solution tank (27) through a conduit; evenly-arranged liquid leakage holes (29) are formed in the inner wall of the long plate below the long groove (28), and the liquid leakage holes (29) are attached to the outer surface of the first round rod (23).
6. A plastic film according to claim 4, wherein: the end faces of one side of the two baffle plates (11) parallel to the rotating rod (12) are both provided with sliding grooves (15); sliding blocks (16) are connected in the two sliding grooves (15) in a sliding mode, and the sliding blocks (16) are fixedly connected with supporting rods (17); the two sliding grooves (15) are internally and rotatably connected with a lead screw (18) through a rotating shaft, and the lead screws (18) are rotatably connected with a sliding block (16); the tops of the two lead screws (18) are fixedly connected with a hexagonal block (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010133236.8A CN111138819A (en) | 2020-03-01 | 2020-03-01 | Plastic film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010133236.8A CN111138819A (en) | 2020-03-01 | 2020-03-01 | Plastic film |
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| Publication Number | Publication Date |
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| CN111138819A true CN111138819A (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010133236.8A Withdrawn CN111138819A (en) | 2020-03-01 | 2020-03-01 | Plastic film |
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| CN (1) | CN111138819A (en) |
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Application publication date: 20200512 |