CN110757849A - Preparation process of corrosion-resistant modified polymer plastic film - Google Patents

Preparation process of corrosion-resistant modified polymer plastic film Download PDF

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Publication number
CN110757849A
CN110757849A CN201910866059.1A CN201910866059A CN110757849A CN 110757849 A CN110757849 A CN 110757849A CN 201910866059 A CN201910866059 A CN 201910866059A CN 110757849 A CN110757849 A CN 110757849A
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CN
China
Prior art keywords
plastic film
film
stirrer
plate
upper cover
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Granted
Application number
CN201910866059.1A
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Chinese (zh)
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CN110757849B (en
Inventor
梁丽
卢笛
梁文才
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Jieshou Kaixun Plastic Technology Co Ltd
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Jieshou Kaixun Plastic Technology Co Ltd
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Priority to CN201910866059.1A priority Critical patent/CN110757849B/en
Publication of CN110757849A publication Critical patent/CN110757849A/en
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Publication of CN110757849B publication Critical patent/CN110757849B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
    • B05B12/124—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to distance between spray apparatus and target
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0278—Arrangement or mounting of spray heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/68—Arrangements for adjusting the position of spray heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/06—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with a blast of gas or vapour
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Abstract

The invention discloses a preparation process of a corrosion-resistant modified polymer plastic film, which comprises the following steps: preparing a plastic film, preparing an anticorrosive paint, and smearing the anticorrosive paint on the plastic film to obtain a corrosion-resistant modified high-molecular plastic film; by adding the polyurethane, the polyurethane is prevented from volatilizing due to high-temperature heating, the corrosion resistance of the prepared plastic film is improved, and the corrosion resistance of the modified high-molecular plastic film is further improved by spraying the anticorrosive paint on the surface of the plastic film and adding the phenolic resin and the polytetrafluoroethylene into the anticorrosive paint; the shower nozzle interval is convenient for adjust, through carrying out the regulation of horizontal direction and vertical direction to the shower nozzle, has guaranteed anticorrosive paint's homogeneity that sprays, drives the wind sword through first cylinder and goes up and down to adjust the interval of wind sword and plastic film to adjust the dynamics of blowing and smearing, be convenient for control anticorrosive paint's the thickness of paining.

Description

Preparation process of corrosion-resistant modified polymer plastic film
Technical Field
The invention relates to a plastic film, in particular to a preparation process of a corrosion-resistant modified polymer plastic film.
Background
The plastic film is a film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, is used for packaging and used as a film coating layer, is a common daily use article for people at present, has the advantages of good transparency, good moisture resistance, excellent heat resistance, convenient use, low price and the like, and is widely applied to various industries.
Patent document (CN107513198A) discloses a plastic film, this plastic film passes through low temperature liquid fluorine as the carrier with gypsum whisker, aluminium oxide and polytetrafluoroethylene fuse into each other, obtain modified mixture, mix modified mixture and major ingredient mixture preparation again, this plastic film only adds corrosion resisting material in to plastic film itself raw materials, it is comparatively simple, and regard as the carrier with gypsum whisker, aluminium oxide and polytetrafluoroethylene poor stability through low temperature liquid fluorine, the operation is complicated, and manufacturing cost is higher, it is difficult to guarantee this plastic film corrosion resisting property.
Disclosure of Invention
The invention aims to provide a preparation process of a corrosion-resistant modified polymer plastic film, wherein the corrosion resistance of the prepared plastic film is improved by adding polyurethane into a modified mixed material, and montmorillonite powder is also added into the modified mixed material, so that when a preparation raw material of the plastic film enters an extruder for melting and stirring, the montmorillonite powder adsorbs the polyurethane, the volatilization of the polyurethane caused by high-temperature heating is avoided, the corrosion resistance of the modified polymer plastic film is further improved by spraying an anticorrosive coating on the surface of the plastic film and adding phenolic resin and polytetrafluoroethylene into the anticorrosive coating, and the technical problem of poor corrosion resistance of the existing plastic film is solved;
in the process of spraying the plastic film, the distance between the spray heads is adjusted to avoid the over concentration of anticorrosive paint in the spraying process, so that the uniform spraying is realized, the second air cylinder drives the connecting plate to lift and thereby drive the spray heads to lift, the distance between the spray heads and the plastic film is adjusted, the spraying thickness of the anticorrosive paint is adjusted by matching the adjustment of the distance between the spray heads, the spray uniformity of the anticorrosive paint is ensured by adjusting the spray heads in the horizontal direction and the vertical direction, the air knife is arranged on one side of the spraying mechanism to blow and smear the anticorrosive paint sprayed on the plastic film, so that the anticorrosive paint is uniformly smeared on the plastic film, the distance between the air knife and the plastic film can be adjusted by driving the air knife to lift through the first air cylinder, the blowing force is adjusted, the smearing thickness of the anticorrosive paint is convenient to control, and the uneven smearing of the anticorrosive paint during the production of the existing plastic film is solved, the coating thickness of the anticorrosive paint is inconvenient to control, so that the plastic film has poor corrosion resistance.
The purpose of the invention can be realized by the following technical scheme:
the preparation process of the corrosion-resistant modified polymer plastic film is characterized by comprising the following specific steps of:
step one, sequentially adding 30-35 parts of polyethylene particles and 15-20 parts of polypropylene particles into a pulverizer for pulverization, then sieving with a 200-mesh sieve and adding into a mixer, stirring for 15min at the rotating speed of 1000r/min under 800-, stirring for 30min at the rotating speed of 1000-, uniformly stirring at the rotating speed of 500 plus 800r/min, adding the mixture into an extruder, extruding the mixture by the extruder, performing blow molding to obtain a plastic film, and winding the plastic film onto a film placing roller;
step two, pouring 15-20 parts of epoxy resin, 6-8 parts of phenolic resin, 5-7 parts of polytetrafluoroethylene and 1-2 parts of carboxymethyl cellulose into a stirrer from a feed inlet above the stirrer in a coating device, and stirring for 15min at the rotating speed of 600r/min and 450-;
opening a valve on the material guide pipe, enabling the anticorrosive paint to enter a material collecting box through the material guide pipe, starting an adjusting motor, driving a belt pulley and a belt to rotate through the adjusting motor, driving a movable plate connected with the belt to move and driving a shear type expansion bracket to expand, adjusting the distance between each spray nozzle according to the width of the plastic film, driving the spray nozzles to lift through a second air cylinder to adjust the distance between the spray nozzles and the plastic film, enabling the anticorrosive paint in the material collecting box to enter the spray nozzles through hoses, spraying the anticorrosive paint on the upper surface of the plastic film through the spray nozzles, blowing the anticorrosive paint on the surface of the plastic film through an air knife when the plastic film sprayed with the anticorrosive paint passes below the air knife, enabling the plastic film to pass below a dryer, drying the anticorrosive paint on the upper surface of the plastic film through the dryer, driving a film collecting roller to be wound through a film collecting motor, and spraying the anticorrosive paint on the side, which is not, obtaining the corrosion-resistant modified polymer plastic film.
Further, the melting temperature of the extruder is 150-154 ℃.
Further, the drying temperature of the dryer is 45-55 ℃.
Further, the coating device comprises two supporting vertical plates, a film placing roller is rotatably connected between the two supporting vertical plates and is positioned below the upper cover plate, a film placing motor is fixedly installed on the outer wall of one of the supporting vertical plates, an output shaft of the film placing motor penetrates through the supporting vertical plate and is fixedly connected with one end of the film placing roller, a guide roller is arranged on one side of the film placing roller, two ends of the guide roller are respectively and rotatably connected in the two supporting vertical plates, an upper cover plate is fixedly installed on the tops of the two supporting vertical plates, a spraying mechanism and an air knife are arranged below the upper cover plate and are both positioned above the plastic film between the guide roller and the film placing roller, two first air cylinders are fixedly installed on the upper surface of the upper cover plate, output rods of the two first air cylinders penetrate through the upper cover plate and extend to the space between the upper cover plate and the plastic film, the bottom ends of the output rods of the two first cylinders are fixedly connected with the top of the air knife, and the bottom wall of the upper cover plate is fixedly provided with a material collecting box;
a stirrer is arranged on one side of the upper cover plate, a charging opening is formed in the top of the stirrer, the stirrer is positioned above the two supporting vertical plates, two supporting rods are vertically fixed on the outer walls of the two supporting vertical plates, transverse plates are horizontally fixed on the tops of the two corresponding supporting rods on the two supporting vertical plates, the stirrer is fixedly installed on the upper surfaces of the transverse plates, a material guide pipe is installed on one side, close to the upper cover plate, of the stirrer, and one end, far away from the stirrer, of the material guide pipe penetrates through the upper cover plate and is connected with the top of the material collecting box;
one side of the stirrer, which is far away from the upper cover plate, is provided with a film collecting roller, two ends of the film collecting roller are respectively rotatably connected to the inner walls of the two supporting vertical plates, one of the two supporting vertical plates is fixedly provided with a film collecting motor, and an output shaft of the film collecting motor penetrates through the supporting vertical plate and is fixedly connected with one end of the film collecting roller.
Further, the middle part fixed mounting of mixer bottom surface has the drying-machine, the bottom surface fixed mounting of mixer has four curb plates, four the curb plate is the rectangle array distribution in the bottom surface of mixer, and four two curb plates are a set of both sides that set up respectively in the mixer, two of every group rotate between the curb plate and be connected with the backing roll that is used for supporting plastic film, the drying-machine is located plastic film's top, two the backing roll is located plastic film's below.
Furthermore, the bottom of the guide roller is in close contact with the upper surface of the plastic film, and the horizontal height of the bottom of the guide roller is equal to the horizontal height of the top of the film placing roller.
Further, the spraying mechanism includes the mounting panel, the connecting seat is installed at the top of mounting panel, the bottom fixed connection of connecting seat and upper cover plate, one side activity of upper cover plate is provided with six fly leafs, six the fly leaf is equidistant linear distribution, six connect through cutting the formula expansion bracket between the fly leaf, six the equal fixed mounting in one side of fly leaf has corresponding second cylinder, the output pole bottom fixed mounting of second cylinder has the connecting plate that the level set up, the one end fixed mounting of connecting plate has the shower nozzle.
Furthermore, one side of the mounting plate, which is provided with the movable plate, is rotatably connected with two belt pulleys, the two belt pulleys are respectively positioned at the edges of the two sides of the side surface of the mounting plate and are connected with each other through the mounting plate, an adjusting motor is fixedly arranged on the other side of the mounting plate, the output shaft end of the adjusting motor penetrates through the mounting plate and is fixedly connected with one belt pulley, a slide rail is transversely fixed on the mounting plate, corresponding slide blocks are fixedly arranged on one sides of the six movable plates, the slide block is connected with the slide rail in a sliding way, a fixed clamping plate is fixedly arranged at the top of one movable plate at one end of the scissor type telescopic frame, the fixed splint is fixedly connected with the belt, the connecting seat is vertically fixed with a fixed rod, and the bottom end of the fixed rod is rotatably connected with a hinged pin shaft on the upper side of the middle part of the scissor type telescopic frame.
Furthermore, the stirrer and the material collecting box are communicated through a material guide pipe, and a valve is installed on the material guide pipe.
Furthermore, a hose is installed at the top of the spray head, and the top end of the hose is communicated with the bottom of the material collecting box.
The invention has the beneficial effects that:
according to the invention, the modified mixed material is added in the process of preparing the plastic film, and the polyurethane is added in the modified mixed material, so that the corrosion resistance of the prepared plastic film is improved, and meanwhile, the montmorillonite powder is also added in the modified mixed material, so that when the raw materials for preparing the plastic film enter an extruder to be melted and stirred, the polyurethane is attracted due to the strong adsorption property of the montmorillonite powder, and the volatilization of the polyurethane caused by high-temperature heating is avoided, so that the corrosion resistance of the plastic film is ensured;
in the process of spraying the plastic film, the belt pulley is driven to rotate by the adjusting motor, so that the belt is driven to rotate, the movable plates connected with the belt pulley are driven to move along the slide rail by the belt, the scissor type telescopic frames are driven to stretch and retract, the movable plates are connected by the scissor type telescopic frames, so that the movable plates are driven to expand or concentrate, the distance between each spray head is adjusted to avoid the over concentration of the anticorrosive paint in the spraying process, so that the uniform spraying is realized, the connecting plate is driven to lift by the second air cylinder, so that the spray heads are driven to lift, the distance between each spray head and the plastic film is adjusted, the spraying thickness of the anticorrosive paint can be adjusted by matching the adjustment of the distance between each spray head, the spraying uniformity of the anticorrosive paint is ensured by adjusting the horizontal direction and the vertical direction of the spray heads, and the anticorrosive paint sprayed on the plastic film is blown by arranging the air knife at one side, make anticorrosive paint evenly paint on plastic film to guaranteed this plastic film's anticorrosive ability, driven the air knife through first cylinder and go up and down can adjust the interval of air knife and plastic film, thereby adjust the dynamics of blowing and smearing, be convenient for control anticorrosive paint's the thickness of paining.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of a coating apparatus according to the present invention;
FIG. 2 is a sectional view showing the structure of a coating apparatus according to the present invention;
FIG. 3 is an enlarged view of A in FIG. 2;
FIG. 4 is a schematic view of the structure of the spraying mechanism of the present invention;
FIG. 5 is a schematic view of another angle of the spraying mechanism of the present invention.
In the figure: 1. supporting a vertical plate; 2. an upper cover plate; 3. a blender; 31. a feed inlet; 4. a spraying mechanism; 401. Mounting a plate; 402. a movable plate; 403. a second cylinder; 404. a connecting plate; 405. a spray head; 406. a scissor type telescopic frame; 407. adjusting the motor; 408. a belt pulley; 409. fixing the clamping plate; 411. a belt; 412. a slide rail; 413. a slider; 414. a connecting seat; 415. fixing the rod; 5. an air knife; 6. a film releasing roller; 7. a film collecting roller; 8. a plastic film; 9. a film placing motor; 10. a film collecting motor; 11. a first cylinder; 12. a material guide pipe; 13. a support bar; 14. a support roller; 15. a dryer; 16. a guide roller; 17. a transverse plate; 18. a material collecting box; 19. a hose; 20. side plates.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.
As shown in fig. 1-5, a preparation process of a corrosion-resistant modified polymer plastic film comprises the following specific steps:
step one, sequentially adding 30-35 parts of polyethylene particles and 15-20 parts of polypropylene particles into a crusher for crushing, then sieving by a 200-mesh sieve and adding into a mixer, stirring for 15min at the rotating speed of 1000-, and the film is wound on a film placing roller 6;
step two, pouring 15-20 parts of epoxy resin, 6-8 parts of phenolic resin, 5-7 parts of polytetrafluoroethylene and 1-2 parts of carboxymethyl cellulose into a stirrer from a feed inlet 31 above the stirrer 3 in the coating device, and stirring for 15min at the rotating speed of 450-600r/min to obtain the anticorrosive coating;
step three, opening a valve on the material guiding pipe 12, enabling the anticorrosive paint to enter the material collecting box 18 through the material guiding pipe 12, starting the adjusting motor 407, driving the belt pulley 408 and the belt 411 to rotate through the adjusting motor 407, driving the movable plate 402 connected with the belt 411 to move and driving the scissor type telescopic frame 406 to stretch, adjusting the distance between each spray head 405 according to the width of the plastic film 8, driving the spray heads 405 to lift through the second air cylinder 403 to adjust the distance between the spray heads 405 and the plastic film 8, enabling the anticorrosive paint in the material collecting box 18 to enter the spray heads 405 through the hoses 19 and be sprayed on the upper surface of the plastic film 8 through the spray heads 405, when the plastic film 8 sprayed with the anticorrosive paint passes below the air knives 5, blowing the anticorrosive paint on the surface of the plastic film 8 by the air knives 5, enabling the plastic film 8 to pass below the drying machine 15, and drying the anticorrosive paint on the upper surface of the plastic film 8 by the, the drying temperature is 45-55 ℃, and the film collecting motor 10 drives the film collecting roller 7 to collect to obtain the corrosion-resistant modified polymer plastic film.
The coating device comprises two supporting vertical plates 1, a film placing roller 6 is rotatably connected between the two supporting vertical plates 1, the film placing roller 6 is positioned below an upper cover plate 2, a film placing motor 9 is fixedly installed at the outer wall of one of the supporting vertical plates 1, an output shaft of the film placing motor 9 penetrates through the supporting vertical plate 1 and is fixedly connected with one end of the film placing roller 6, a guide roller 16 is arranged at one side of the film placing roller 6, two ends of the guide roller 16 are respectively rotatably connected in the two supporting vertical plates 1, the top of the two supporting vertical plates 1 is fixedly provided with the upper cover plate 2, a spraying mechanism 4 and an air knife 5 are arranged below the upper cover plate 2, the spraying mechanism 4 and the air knife 5 are both positioned above a plastic film 8 between the guide roller 16 and the film placing roller 6, and two first air cylinders 11 are fixedly installed on the upper surface of the upper cover plate 2, the output rods of the two first cylinders 11 penetrate through the upper cover plate 2 and extend between the upper cover plate 2 and the plastic film 8, the bottom ends of the output rods of the two first cylinders 11 are fixedly connected with the top of the air knife 5, and the bottom wall of the upper cover plate 2 is fixedly provided with a material collecting box 18;
a stirrer 3 is arranged on one side of the upper cover plate 2, a feeding port 31 is arranged at the top of the stirrer 3, the stirrer 3 is positioned above the two vertical supporting plates 1, two supporting rods 13 are vertically fixed on the outer walls of the two vertical supporting plates 1, transverse plates 17 are horizontally fixed on the tops of the two corresponding supporting rods 13 on the two vertical supporting plates 1, the stirrer 3 is fixedly arranged on the upper surfaces of the transverse plates 17, a material guide pipe 12 is arranged on one side, close to the upper cover plate 2, of the stirrer 3, and one end, far away from the stirrer 3, of the material guide pipe 12 penetrates through the upper cover plate 2 and is connected with the top of the material collecting box 18;
one side of the stirrer 3, which is far away from the upper cover plate 2, is provided with a film collecting roller 7, two ends of the film collecting roller 7 are respectively rotatably connected to the inner walls of the two supporting vertical plates 1, one of the outer walls of the supporting vertical plates 1 is fixedly provided with a film collecting motor 10, and an output shaft of the film collecting motor 10 penetrates through the supporting vertical plate 1 and is fixedly connected with one end of the film collecting roller 7.
The middle part fixed mounting of 3 bottom surfaces of mixer has drying-machine 15, the bottom surface fixed mounting of mixer 3 has four curb plates 20, four curb plate 20 is the rectangle array distribution in the bottom surface of mixer 3, and four 20 two of curb plates set up respectively in the both sides of mixer 3 for a set of, two of every group rotate between the curb plate 20 and be connected with the backing roll 14 that is used for supporting plastic film 8, drying-machine 15 is located plastic film 8's top, two backing roll 14 is located plastic film 8's below.
The bottom of the guide roller 16 is in close contact with the upper surface of the plastic film 8, and the horizontal height of the bottom of the guide roller 16 is equal to the horizontal height of the top of the film placing roller 6.
Spraying mechanism 4 includes mounting panel 401, connecting seat 414 is installed at mounting panel 401's top, connecting seat 414 and upper cover plate 2's bottom fixed connection, one side activity of upper cover plate 2 is provided with six fly leafs 402, six fly leaf 402 is equidistant linear distribution, six connect through scissors formula expansion bracket 406 between the fly leaf 402, six the equal fixed mounting in one side of fly leaf 402 has corresponding second cylinder 403, the connecting plate 404 that the output pole bottom fixed mounting of second cylinder 403 has the level to set up, the one end fixed mounting of connecting plate 404 has shower nozzle 405.
One side of the mounting plate 401, on which the movable plate 402 is mounted, is rotatably connected with two belt pulleys 408, the two belt pulleys 408 are respectively located at the two side edges of the side surface of the mounting plate 401, the two belt pulleys 408 are connected through the mounting plate 401, an adjusting motor 407 is fixedly mounted on the other side of the mounting plate 401, an output shaft end of the adjusting motor 407 penetrates through the mounting plate 401 and is fixedly connected with one belt pulley 408, a sliding rail 412 is transversely fixed on the mounting plate 401, corresponding sliding blocks 413 are fixedly mounted on one sides of the six movable plates 402, the sliding block 413 is connected with the sliding rail 412 in a sliding manner, a fixed clamp plate 409 is fixedly installed at the top of one movable plate 402 at one end of the scissor type telescopic frame 406, the fixing clamp plate 409 is fixedly connected with a belt 411, a fixing rod 415 is vertically fixed on the connecting seat 414, the bottom end of the fixed rod 415 is rotatably connected with a hinge pin on the upper side of the middle part of the scissor type telescopic frame 406.
The stirring machine 3 is communicated with the material collecting box 18 through a material guide pipe 12, a valve is arranged on the material guide pipe 12, a hose 19 is arranged at the top of the spray head 405, and the top end of the hose 19 is communicated with the bottom of the material collecting box 18.
The working principle of the coating device is as follows: raw materials for preparing the anticorrosive paint enter the stirrer 3 through the feed inlet 31 to be stirred to obtain the anticorrosive paint, a valve on the material guide pipe 12 is opened, the anticorrosive paint enters the material collecting box 18 through the material guide pipe 12, the adjusting motor 407 is started, the belt pulley 408 fixed with the adjusting motor 407 is driven to rotate through the adjusting motor 407, the belt 411 drives the movable plate 402 connected with the belt 411 to move, the scissor type telescopic frame 406 to stretch and retract is driven to drive other movable plates 402 to slide along the slide rail 412, and each second air cylinder 403 to move and the connecting plate 404 to move, so that each spray head 405 is driven to expand or concentrate, the second air cylinder 403 is started, the output rod of the second air cylinder 403 stretches and retracts to drive the spray head 405 to lift and adjust the distance between the spray head 405 and the plastic film 8, the anticorrosive paint in the material collecting box 18 enters the spray head 405 through the hose 19 and is sprayed on the upper surface of, when spraying plastic film 8 that has anticorrosive coating through air knife 5 below, air knife 5 blows the anticorrosive coating on plastic film 8 surface, starts first cylinder 11, and the output pole of first cylinder 11 is flexible to drive air knife 5 and is gone up and down, adjusts air knife 5 and plastic film 8's interval, and plastic film 8 passes through drying-machine 15 below, and drying-machine 15 dries the anticorrosive coating of plastic film 8 upper surface to receive the rolling of membrane roller 7 through receiving the drive of membrane motor 10.
According to the invention, the modified mixed material is added in the process of preparing the plastic film 8, and the polyurethane is added in the modified mixed material, so that the corrosion resistance of the prepared plastic film 8 is improved, and meanwhile, montmorillonite powder is also added in the modified mixed material, so that when the preparation raw material of the plastic film 8 enters an extruder for melting and stirring, the montmorillonite powder adsorbs the polyurethane, and the polyurethane is prevented from volatilizing due to high-temperature heating, so that the corrosion resistance of the plastic film 8 is ensured;
in the process of spraying the plastic film 8, the belt pulley 408 is driven to rotate by the adjusting motor 407, so that the belt 411 is driven to rotate, the movable plates 402 connected with the belt pulley 411 are driven to move along the slide rails 412 by the belt 411, and the scissor type telescopic frames 406 are driven to stretch and retract, the movable plates 402 are driven to expand or concentrate by the scissor type telescopic frames 406, the distance between each spray head 405 is adjusted to avoid the over concentration of the anticorrosive paint in the spraying process, so that the uniform spraying is realized, the connecting plates 404 are driven to lift by the second air cylinders 403 to drive the spray heads 405 to lift, the distance between the spray heads 405 and the plastic film 8 is adjusted, the spraying thickness of the anticorrosive paint can be adjusted by adjusting the distances between the spray heads 405 in the horizontal direction and the vertical direction, so that the uniformity of the anticorrosive paint spraying is ensured, set up air knife 5 through one side at spraying mechanism 4 and blow and wipe the anticorrosive coating who sprays on to plastic film 8, make anticorrosive coating evenly paint on plastic film 8 to guaranteed this plastic film 8's corrosion resistance, driven air knife 5 through first cylinder 11 and go up and down can adjust the interval of air knife 5 and plastic film 8, thereby adjust the dynamics of blowing and wiping, be convenient for control anticorrosive coating's the thickness of paining.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. The preparation process of the corrosion-resistant modified polymer plastic film is characterized by comprising the following specific steps of:
step one, sequentially adding 30-35 parts of polyethylene particles and 15-20 parts of polypropylene particles into a pulverizer for pulverization, then sieving with a 200-mesh sieve and adding into a mixer, stirring for 15min at the rotating speed of 1000r/min under 800-, stirring for 30min at the rotating speed of 1000-, stirring evenly at the rotating speed of 500-800r/min and then adding into an extruder, extruding the mixture by an extruder, blowing the mixture to obtain a plastic film, and rolling the plastic film onto a film placing roller (6);
step two, pouring 15-20 parts of epoxy resin, 6-8 parts of phenolic resin, 5-7 parts of polytetrafluoroethylene and 1-2 parts of carboxymethyl cellulose into a stirrer from a feed inlet (31) above the stirrer (3) in the coating device, and stirring for 15min at the rotating speed of 450-600r/min to obtain the anticorrosive coating;
step three, opening a valve on the material guide pipe (12), enabling the anticorrosive paint to enter a material collection box (18) through the material guide pipe (12), starting an adjusting motor (407), driving a belt pulley (408) and a belt (411) to rotate through the adjusting motor (407), driving a movable plate (402) connected with the belt (411) to move and driving a scissor type expansion bracket (406) to expand and contract, adjusting the distance between each spray head (405) according to the width of the plastic film (8), driving the spray heads (405) to lift through a second air cylinder (403) to adjust the distance between the spray heads (405) and the plastic film (8), enabling the anticorrosive paint in the material collection box (18) to enter the spray heads (405) through hoses (19) and be sprayed on the upper surface of the plastic film (8) through the spray heads (405), and when the plastic film (8) sprayed with the anticorrosive paint passes below an air knife (5), blowing and smearing the anticorrosive paint on the surface of the plastic film (8) through the air knife (5), the plastic film (8) passes through the lower part of the dryer (15), the dryer (15) dries the anticorrosive paint on the upper surface of the plastic film (8), the film collecting motor (10) drives the film collecting roller (7) to collect, and the anticorrosive paint is sprayed on the surface, which is not sprayed on the plastic film (8), through the steps, so that the corrosion-resistant modified polymer plastic film is obtained.
2. The process according to claim 1, wherein the melting temperature of the extruder is 150-154 ℃.
3. The process for preparing the corrosion-resistant modified polymer plastic film according to claim 1, wherein the drying temperature of the dryer (15) is 45-55 ℃.
4. The preparation process of the corrosion-resistant modified polymer plastic film according to claim 1, wherein the coating device comprises two supporting vertical plates (1), a film placing roller (6) is rotatably connected between the two supporting vertical plates (1), the film placing roller (6) is positioned below an upper cover plate (2), a film placing motor (9) is fixedly installed at the outer wall of one of the supporting vertical plates (1), an output shaft of the film placing motor (9) penetrates through the supporting vertical plate (1) and is fixedly connected with one end of the film placing roller (6), a guide roller (16) is arranged at one side of the film placing roller (6), two ends of the guide roller (16) are respectively rotatably connected in the two supporting vertical plates (1), the top of the two supporting vertical plates (1) is fixedly provided with the upper cover plate (2), a spraying mechanism (4) and an air knife (5) are arranged below the upper cover plate (2), the spraying mechanism (4) and the air knife (5) are located above the plastic film (8) between the guide roller (16) and the film placing roller (6), two first air cylinders (11) are fixedly mounted on the upper surface of the upper cover plate (2), output rods of the two first air cylinders (11) penetrate through the upper cover plate (2) and extend to positions between the upper cover plate (2) and the plastic film (8), the bottom ends of the output rods of the two first air cylinders (11) are fixedly connected with the top of the air knife (5), and a material collecting box (18) is fixedly mounted on the bottom wall of the upper cover plate (2);
a stirrer (3) is arranged on one side of the upper cover plate (2), a feeding port (31) is arranged at the top of the stirrer (3), the stirrer (3) is positioned above the two supporting vertical plates (1), two supporting rods (13) are vertically fixed on the outer walls of the two supporting vertical plates (1), a transverse plate (17) is horizontally fixed on the tops of the two corresponding supporting rods (13) on the two supporting vertical plates (1), the stirrer (3) is fixedly arranged on the upper surface of the transverse plate (17), a material guide pipe (12) is arranged on one side, close to the upper cover plate (2), of the stirrer (3), and one end, far away from the stirrer (3), of the material guide pipe (12) penetrates through the upper cover plate (2) and is connected with the top of the material collecting box (18);
one side of the stirrer (3) far away from the upper cover plate (2) is provided with a film collecting roller (7), two ends of the film collecting roller (7) are respectively rotatably connected to the inner walls of the two supporting vertical plates (1), one of the two ends of the supporting vertical plate (1) is fixedly provided with a film collecting motor (10), and an output shaft of the film collecting motor (10) penetrates through the supporting vertical plate (1) and is fixedly connected with one end of the film collecting roller (7).
5. The preparation process of the corrosion-resistant modified polymer plastic film according to claim 4, wherein a dryer (15) is fixedly installed in the middle of the bottom surface of the stirrer (3), four side plates (20) are fixedly installed on the bottom surface of the stirrer (3), the four side plates (20) are distributed on the bottom surface of the stirrer (3) in a rectangular array, two of the four side plates (20) are respectively arranged on two sides of the stirrer (3) in a group, a supporting roller (14) for supporting the plastic film (8) is rotatably connected between the two side plates (20) of each group, the dryer (15) is located above the plastic film (8), and the two supporting rollers (14) are located below the plastic film (8).
6. The process for preparing the corrosion-resistant modified polymer plastic film according to claim 4, wherein the bottom of the guide roller (16) is in close contact with the upper surface of the plastic film (8), and the horizontal height of the bottom of the guide roller (16) is equal to the horizontal height of the top of the film placing roller (6).
7. The preparation process of a corrosion-resistant modified polymer plastic film as claimed in claim 4, wherein the spraying mechanism (4) comprises a mounting plate (401), a connecting seat (414) is installed at the top of the mounting plate (401), the connecting seat (414) is fixedly connected with the bottom of the upper cover plate (2), six movable plates (402) are movably arranged on one side of the upper cover plate (2), the six movable plates (402) are linearly distributed at equal intervals, the six movable plates (402) are connected with each other through a scissor-type telescopic frame (406), corresponding second air cylinders (403) are fixedly installed on one sides of the movable plates (402), a horizontally arranged connecting plate (404) is fixedly installed at the bottom end of an output rod of each second air cylinder (403), and a spray head (405) is fixedly installed at one end of the connecting plate (404).
8. The preparation process of the corrosion-resistant modified polymer plastic film according to claim 7, wherein one side of the mounting plate (401) on which the movable plate (402) is mounted is rotatably connected with two belt pulleys (408), the two belt pulleys (408) are respectively located at two side edges of the side surface of the mounting plate (401), the two belt pulleys (408) are connected through the mounting plate (401), the other side of the mounting plate (401) is fixedly provided with an adjusting motor (407), an output shaft end of the adjusting motor (407) penetrates through the mounting plate (401) and is fixedly connected with one of the belt pulleys (408), the mounting plate (401) is transversely fixed with a slide rail (412), one side of each of the six movable plates (402) is fixedly provided with a corresponding slide block (413), and the slide blocks (413) are slidably connected with the slide rail (412), the top of one movable plate (402) positioned at one end of the scissor type telescopic frame (406) is fixedly provided with a fixed clamping plate (409), the fixed clamping plate (409) is fixedly connected with a belt (411), a fixed rod (415) is vertically fixed on the connecting seat (414), and the bottom end of the fixed rod (415) is rotatably connected with a hinge pin shaft at the upper side of the middle part of the scissor type telescopic frame (406).
9. The preparation process of the corrosion-resistant modified polymer plastic film according to claim 4, wherein the stirrer (3) is communicated with the material collecting tank (18) through a material guiding pipe (12), and the material guiding pipe (12) is provided with a valve.
10. The preparation process of the corrosion-resistant modified polymer plastic film according to claim 7, wherein a hose (19) is installed at the top of the spray head (405), and the top end of the hose (19) is communicated with the bottom of the material collecting box (18).
CN201910866059.1A 2019-09-12 2019-09-12 Preparation process of corrosion-resistant modified polymer plastic film Active CN110757849B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111138819A (en) * 2020-03-01 2020-05-12 张小飞 Plastic film
CN111250300A (en) * 2020-03-01 2020-06-09 胡红伟 Automatic spraying machine
CN112011169A (en) * 2020-09-08 2020-12-01 界首市鑫华装璜彩印有限公司 Processing technology of packaging paper with waterproof performance
CN113026497A (en) * 2021-04-02 2021-06-25 夏明辉 Pavement maintenance device for highway construction and application method thereof
CN113578602A (en) * 2021-08-12 2021-11-02 成都中建材光电材料有限公司 Spraying device
CN114392891A (en) * 2022-01-15 2022-04-26 江苏双冠新材料科技有限公司 Coating device for release film and convenient to change coating head based on PLC control

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101233082A (en) * 2005-08-03 2008-07-30 独立行政法人产业技术综合研究所 Transparent film
CN103923451A (en) * 2014-04-23 2014-07-16 河南天冠企业集团有限公司 High-barrier polypropylene carbonate-based composite film material and preparation method thereof
CN105482385A (en) * 2016-01-20 2016-04-13 中国科学院长春应用化学研究所 Biodegradable agricultural mulching film and preparation method thereof
CN107446135A (en) * 2016-06-01 2017-12-08 翁秋梅 A kind of dynamic aggregation thing with dynamic crosslinking structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101233082A (en) * 2005-08-03 2008-07-30 独立行政法人产业技术综合研究所 Transparent film
CN103923451A (en) * 2014-04-23 2014-07-16 河南天冠企业集团有限公司 High-barrier polypropylene carbonate-based composite film material and preparation method thereof
CN105482385A (en) * 2016-01-20 2016-04-13 中国科学院长春应用化学研究所 Biodegradable agricultural mulching film and preparation method thereof
CN107446135A (en) * 2016-06-01 2017-12-08 翁秋梅 A kind of dynamic aggregation thing with dynamic crosslinking structure

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111138819A (en) * 2020-03-01 2020-05-12 张小飞 Plastic film
CN111250300A (en) * 2020-03-01 2020-06-09 胡红伟 Automatic spraying machine
CN112011169A (en) * 2020-09-08 2020-12-01 界首市鑫华装璜彩印有限公司 Processing technology of packaging paper with waterproof performance
CN113026497A (en) * 2021-04-02 2021-06-25 夏明辉 Pavement maintenance device for highway construction and application method thereof
CN113026497B (en) * 2021-04-02 2022-04-15 夏明辉 Pavement maintenance device for highway construction and application method thereof
CN113578602A (en) * 2021-08-12 2021-11-02 成都中建材光电材料有限公司 Spraying device
CN114392891A (en) * 2022-01-15 2022-04-26 江苏双冠新材料科技有限公司 Coating device for release film and convenient to change coating head based on PLC control

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