CN112648445B - Reinforced wear-resistant PE water supply pipe and preparation method thereof - Google Patents
Reinforced wear-resistant PE water supply pipe and preparation method thereof Download PDFInfo
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- CN112648445B CN112648445B CN202011521116.1A CN202011521116A CN112648445B CN 112648445 B CN112648445 B CN 112648445B CN 202011521116 A CN202011521116 A CN 202011521116A CN 112648445 B CN112648445 B CN 112648445B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/023—Cleaning the external surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
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- 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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0092—Drying moulded articles or half products, e.g. preforms, during or after moulding or cooling
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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
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/06—Protection of pipes or objects of similar shape against external or internal damage or wear against wear
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a reinforced wear-resistant PE water supply pipe and a preparation method thereof, the flexural modulus and the wear resistance of the block copolymerization polypropylene are far superior to those of the conventional HDPE, therefore, the graphene is used as a protective layer of the pipe, can effectively improve the wear resistance of the water supply pipe and the external pressure resistance of the pipe, is used as a coloring carrier of the modified color master batch, because of the special lamellar structure, the hexagonal honeycomb lattice two-dimensional carbon nanomaterial is one of the materials with the highest known strength, has high wear resistance, pressure resistance and the like compared with the traditional carbon black, the tensile strength of the prepared reinforced wear-resistant PE water supply pipe is 28-35MPa according to the determination of GB/T19810-2005, and meanwhile, the invention discloses a cleaning device, the cleaning equipment can clean the water supply pipes with different outer diameters and inner diameters, and can efficiently remove water and stains on the water supply pipes after water cooling.
Description
Technical Field
The invention relates to the technical field of water supply pipe preparation, in particular to a reinforced wear-resistant PE water supply pipe and a preparation method thereof.
Background
The PE (metallocene linear low density polyethylene) material is widely applied to the field of water supply pipe manufacturing due to the characteristics of high strength, high temperature resistance, corrosion resistance, no toxicity and the like. Because it does not rust, it is an ideal pipe material for replacing general iron water supply pipe. But the wear-resisting effect of current feed pipe is not good, and in the feed pipe production process, the feed pipe is extruded and is cut and need carry out drying process to the surface after the water-cooling, and sweeps and impurity can all be adhered to equipment stoving back feed pipe inner wall, outer wall usually, if not in time clear up sweeps and impurity will influence going on of subsequent handling, and current equipment can not satisfy when drying the feed pipe and get rid of its surperficial sweeps and impurity.
Disclosure of Invention
The invention aims to provide a reinforced wear-resistant PE water supply pipe and a preparation method thereof, and solves the following technical problems: (1) the flexural modulus and the wear resistance of the block copolymerization polypropylene are far superior to those of the conventional HDPE, so that the block copolymerization polypropylene is used as a protective layer of a pipe, the wear resistance of a water supply pipe and the external pressure resistance of the pipe can be effectively improved, the graphene is used as a coloring carrier of the modified masterbatch, and due to the special lamellar structure of the graphene, the hexagonal honeycomb lattice two-dimensional carbon nanomaterial is one of the materials with the highest known strength, and has high wear resistance, high pressure resistance and the like compared with the conventional carbon black, and the tensile strength of the prepared reinforced wear-resistant PE water supply pipe is 28-35MPa according to GB/T19810-; (2) by starting two mounting motors of the cleaning equipment, a mounting motor output shaft drives a second lead screw to rotate, the second lead screw drives the two mounting plates to adjust the distance between the two rotating wheels, and then the distance between the two rotating wheels is adjusted through two shaft seats, a reinforced wear-resistant PE water supply pipe is placed between the four rotating wheels, a lifting motor is started, a lifting motor output shaft drives a fourth lead screw to rotate, the fourth lead screw drives a lifting strip to lift, the height of the lifting strip is adjusted, a conveying motor is started, a conveying motor output shaft drives a first lead screw to rotate, a first lead screw drives an adjusting seat to move horizontally, the adjusting seat drives the reinforced wear-resistant PE water supply pipe to enter a cleaning chamber from an inlet and an outlet, the lifting strip enters an inner cavity of the reinforced wear-resistant PE water supply pipe, four guide cylinders are started, a guide cylinder piston rod pushes a movable block, the movable block drives two rotating rods to rotate, and then the two mounting shells move reversely, the two inner cleaning rollers on the two mounting shells are respectively contacted with the upper side and the lower side of the inner wall of the reinforced wear-resistant PE water supply pipe, the fixed motor is started, the output shaft of the fixed motor drives the third screw rod to rotate, the third screw rod drives the two connecting arms to move in opposite directions or in opposite directions, the two telescopic cylinders are started, the piston rods of the telescopic cylinders drive the two lifting rods to descend through the lifting plates, the two lifting rods drive the outer shell to descend through the two connecting seats, the outer cleaning rollers on the outer shell are contacted with the outer wall of the reinforced wear-resistant PE water supply pipe, and through the structural arrangement, the cleaning equipment can clean water supply pipes with different outer diameters and inner diameters, and can efficiently remove water and stains on the water supply pipe after water cooling; (3) through opening driving motor, the driving motor output shaft drives the swiveling wheel and rotates, the swiveling wheel drives the wear-resisting PE feed pipe of reinforcing and rotates, interior cleaning roller rotates and clears up the wear-resisting PE feed pipe inner wall of reinforcing, outer cleaning roller rotates and clears up the wear-resisting PE feed pipe outer wall of reinforcing, drying fan dries the wear-resisting PE feed pipe outer wall of reinforcing, the electrical heating silk is dried the wear-resisting PE feed pipe inner wall of reinforcing, through the above structure setting, this cleaning equipment can drive feed pipe self and rotate, make interior cleaning roller, outer cleaning roller, drying fan and electrical heating silk can carry out fully cleanness and drying process to the feed pipe.
The purpose of the invention can be realized by the following technical scheme:
the reinforced wear-resistant PE water supply pipe comprises an inner layer, a core layer and an outer layer, wherein the inner layer is prepared from the following raw materials in parts by weight: 92-96 parts of polyethylene resin, 3-6 parts of graphene functional master batch, and a core layer prepared from the following raw materials in parts by weight: 100-120 parts of polyethylene graft resin, wherein the outer layer is prepared from the following raw materials in parts by weight: 90-95 parts of block copolymerization polypropylene and 3-6 parts of graphene functional master batch;
the reinforced wear-resistant PE water supply pipe is prepared by the following steps:
adding the raw materials of the inner layer, the core layer and the outer layer into a three-layer co-extrusion die, carrying out composite extrusion molding at the temperature of 190 ℃ and 220 ℃ to obtain a reinforced wear-resistant PE water supply pipe, carrying out water cooling after cutting, starting two mounting motors of a cleaning device, driving a second lead screw to rotate by an output shaft of the mounting motors, driving the distance between two mounting plates to be adjusted by the second lead screw, further adjusting the distance between two rotating wheels by two shaft seats, placing the reinforced wear-resistant PE water supply pipe between the four rotating wheels, starting a lifting motor, driving a fourth lead screw to rotate by an output shaft of the lifting motor, driving a lifting strip to lift, adjusting the height of the lifting strip, starting a conveying motor, driving a first lead screw to rotate by an output shaft of the conveying motor, driving an adjusting seat to horizontally move by the first lead screw, driving the reinforced wear-resistant PE water supply pipe to enter a cleaning chamber from an inlet and an outlet by the adjusting seat, and driving the lifting strip to enter an inner cavity of the reinforced wear-resistant PE water supply pipe, opening four guide cylinders, a piston rod of each guide cylinder pushes a movable block, the movable block drives two rotating rods to rotate, and then two mounting shells move reversely, two inner cleaning rollers on the two mounting shells respectively contact the upper side and the lower side of the inner wall of the reinforced wear-resistant PE water supply pipe, a fixed motor is started, a fixed motor output shaft drives a third screw rod to rotate, the third screw rod drives two connecting arms to move oppositely or reversely, two telescopic cylinders are started, a piston rod of each telescopic cylinder drives two lifting rods to descend through a lifting plate, the two lifting rods drive an outer shell to descend through two connecting seats, an outer cleaning roller on the outer shell is in contact with the outer wall of the reinforced wear-resistant PE water supply pipe, a driving motor is started, a driving motor output shaft drives a rotating wheel to rotate, the rotating wheel drives the reinforced wear-resistant PE water supply pipe to rotate, the inner cleaning roller rotates and cleans the inner wall of the reinforced wear-resistant PE water supply pipe, the outer cleaning roller rotates and cleans the outer wall of the reinforced wear-resistant PE water supply pipe, the drying fan dries the outer wall of the reinforced wear-resistant PE water supply pipe, and the electric heating wire dries the inner wall of the reinforced wear-resistant PE water supply pipe.
Further, the preparation process of the graphene functional master batch is as follows: carrying out surface treatment on nano-graphene by using a surface synergist and a hyper-dispersant in an atomizing and spraying manner, drying to obtain pretreated nano-graphene for later use, weighing 40-50 parts of PE100 resin, 44-46 parts of pretreated nano-graphene, 2-4 parts of a lubricant, 3-5 parts of a processing aid, 0.5-1.5 parts of an antioxidant and 1-2 parts of a light stabilizer by weight, and carrying out banburying, extrusion and granulation to obtain a graphene functional master batch, wherein the banburying process temperature is 140-.
Further, the cleaning equipment comprises a cleaning room, a conveying base is installed on the cleaning room, an adjusting seat is installed on the conveying base in a sliding mode, two supporting seats are installed on the adjusting seat in a sliding mode, two mounting plates are installed on the supporting seats in a sliding mode, a shaft seat is installed on each mounting plate, a rotating wheel is installed on each shaft seat in a rotating mode, a driving motor is installed on each mounting plate, an output shaft of the driving motor is connected with the rotating wheel, a fixing shell is installed in the cleaning room, two connecting arms are installed on each fixing shell in a sliding mode, a telescopic cylinder is installed on each connecting arm, a lifting plate is installed at the end portion of a piston rod of each telescopic cylinder, two lifting rods are installed on each lifting plate, connecting seats are installed on each lifting rod, the two connecting seats are installed on the same side of an outer side shell, an outer cleaning roller is installed in the outer side shell in a rotating mode, an extrusion block is arranged in the outer side shell, a water storage tank is arranged in the outer side shell, and a drying fan is installed at the top of the cleaning room, be provided with the lift adjustment case in the clean room, slidable mounting has the lifter bar on the lift adjustment case, installs two fixed plates on the lifter bar, and slidable mounting has two movable blocks on the fixed plate, and rotatable mounting has two dwangs on the movable block, and four dwangs all rotate and connect the installation shell, and rotatable mounting has interior cleaning roller on the installation shell, and electric heating wire is all installed to the lifter bar both sides.
Further, carry the pedestal mounting in clean room inner chamber bottom, clean room one side is provided with exit, carries the base to run through exit, carries the base internal rotation to be provided with first lead screw, carries base one side to install conveyor motor, the first lead screw of conveyor motor output shaft.
Furthermore, a second lead screw is arranged in the supporting seat in a rotating mode, an installation motor is installed on one side of the supporting seat, an output shaft of the installation motor is connected with the second lead screw, thread faces at two ends of the second lead screw are symmetrically arranged along the middle portion, and two mounting plates are connected with two ends of the second lead screw in a threaded mode.
Furthermore, a third lead screw is arranged in the fixed shell in a rotating mode, a fixed motor is installed on one side of the fixed shell, an output shaft of the fixed motor is connected with the third lead screw, thread faces at two ends of the third lead screw are symmetrically arranged along the middle portion, and two connecting arms are in threaded connection with two ends of the third lead screw.
Further, the lifter is installed in the lifter lower surface, and two lifters set up respectively in telescopic cylinder both sides, and the connecting seat is installed in the lifter bottom, and the lift adjustment case internal rotation is provided with the fourth lead screw, and lift motor is installed at lift adjustment case top, lift motor output shaft fourth lead screw, fourth lead screw threaded connection lifter.
Furthermore, two fixed plates are respectively arranged on the upper side and the lower side of the lifting strip, two guide cylinders are arranged on the fixed plates and correspond to the two movable blocks one to one, and piston rods of the guide cylinders are connected with the movable blocks.
The invention has the beneficial effects that:
(1) according to the reinforced wear-resistant PE water supply pipe and the preparation method thereof, the flexural modulus and the wear resistance of the block copolymerization polypropylene are far superior to those of the conventional HDPE, so that the block copolymerization polypropylene is used as a protective layer of the pipe, the wear resistance of the water supply pipe can be effectively improved, the external pressure resistance of the pipe can be improved, the graphene is used as a coloring carrier of the modified color master batch, and due to the special lamellar structure of the graphene, the hexagonal two-dimensional carbon nano material in a honeycomb lattice is one of the materials with the highest known strength, and compared with the conventional carbon black, the reinforced wear-resistant PE water supply pipe has the advantages of high wear resistance, high pressure resistance and the like, and the tensile strength of the prepared reinforced wear-resistant PE water supply pipe is 28-35MPa according to GB/T19810-2005 determination;
(2) by starting two mounting motors of the cleaning equipment, a mounting motor output shaft drives a second lead screw to rotate, the second lead screw drives the two mounting plates to adjust the distance between the two rotating wheels, and then the distance between the two rotating wheels is adjusted through two shaft seats, a reinforced wear-resistant PE water supply pipe is placed between the four rotating wheels, a lifting motor is started, a lifting motor output shaft drives a fourth lead screw to rotate, the fourth lead screw drives a lifting strip to lift, the height of the lifting strip is adjusted, a conveying motor is started, a conveying motor output shaft drives a first lead screw to rotate, a first lead screw drives an adjusting seat to move horizontally, the adjusting seat drives the reinforced wear-resistant PE water supply pipe to enter a cleaning chamber from an inlet and an outlet, the lifting strip enters an inner cavity of the reinforced wear-resistant PE water supply pipe, four guide cylinders are started, a guide cylinder piston rod pushes a movable block, the movable block drives two rotating rods to rotate, and then the two mounting shells move reversely, the two inner cleaning rollers on the two mounting shells are respectively contacted with the upper side and the lower side of the inner wall of the reinforced wear-resistant PE water supply pipe, the fixed motor is started, the output shaft of the fixed motor drives the third screw rod to rotate, the third screw rod drives the two connecting arms to move in opposite directions or in opposite directions, the two telescopic cylinders are started, the piston rods of the telescopic cylinders drive the two lifting rods to descend through the lifting plates, the two lifting rods drive the outer shell to descend through the two connecting seats, the outer cleaning rollers on the outer shell are contacted with the outer wall of the reinforced wear-resistant PE water supply pipe, and through the structural arrangement, the cleaning equipment can clean water supply pipes with different outer diameters and inner diameters, and can efficiently remove water and stains on the water supply pipe after water cooling;
(3) through opening driving motor, the driving motor output shaft drives the swiveling wheel and rotates, the swiveling wheel drives the wear-resisting PE feed pipe of reinforcing and rotates, interior cleaning roller rotates and clears up the wear-resisting PE feed pipe inner wall of reinforcing, outer cleaning roller rotates and clears up the wear-resisting PE feed pipe outer wall of reinforcing, drying fan dries the wear-resisting PE feed pipe outer wall of reinforcing, the electrical heating silk is dried the wear-resisting PE feed pipe inner wall of reinforcing, through the above structure setting, this cleaning equipment can drive feed pipe self and rotate, make interior cleaning roller, outer cleaning roller, drying fan and electrical heating silk can carry out fully cleanness and drying process to the feed pipe.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the cleaning apparatus of the present invention;
FIG. 2 is an installation view of the outboard casing of the present invention;
FIG. 3 is a schematic view of the structure of the outer case of the present invention;
FIG. 4 is a cross-sectional view of the outboard casing of the present invention;
FIG. 5 is a view of the mounting of the rotator wheel of the present invention;
FIG. 6 is a schematic view of the construction of the lifter bar of the present invention;
FIG. 7 is an internal structural view of the delivery base of the present invention;
FIG. 8 is an internal structure view of the support base of the present invention;
fig. 9 is an internal structural view of the set cover of the present invention.
In the figure: 1. a clean room; 2. a conveying base; 3. an adjusting seat; 4. a conveying motor; 5. a first lead screw; 6. a supporting seat; 7. installing a motor; 8. a second lead screw; 9. mounting a plate; 10. a drive motor; 11. a rotating wheel; 12. a stationary housing; 13. fixing a motor; 14. a third lead screw; 15. a connecting arm; 16. a telescopic cylinder; 17. a lifting plate; 18. a lifting rod; 19. a connecting seat; 20. an outer case; 21. an outer cleaning roller; 22. extruding the block; 23. a water storage tank; 24. drying the fan; 25. a lifting adjusting box; 26. a lifting motor; 27. a lifting bar; 28. a fixing plate; 29. a movable block; 30. rotating the rod; 31. mounting a shell; 32. an inner cleaning roller; 33. an electric heating wire; 34. and (5) a guide cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to FIGS. 1-9
Example 1
The reinforced wear-resistant PE water supply pipe comprises an inner layer, a core layer and an outer layer, wherein the inner layer is prepared from the following raw materials in parts by weight: 92 parts of polyethylene resin, 3 parts of graphene functional master batch, and a core layer prepared from the following raw materials in parts by weight: 100 parts of polyethylene graft resin, wherein the outer layer is prepared from the following raw materials in parts by weight: 90 parts of block copolymer polypropylene and 3 parts of graphene functional master batch;
the reinforced wear-resistant PE water supply pipe is prepared by the following steps:
adding the raw materials of the inner layer, the core layer and the outer layer into a three-layer co-extrusion die, carrying out composite extrusion molding at 190 ℃ to obtain a reinforced wear-resistant PE water supply pipe, carrying out water cooling after cutting, starting two mounting motors 7 of the cleaning equipment, driving a second lead screw 8 to rotate by an output shaft of the mounting motors 7, driving the interval adjustment of two mounting plates 9 by the second lead screw 8, further adjusting the interval of two rotating wheels 11 through two shaft seats, putting the reinforced wear-resistant PE water supply pipe between the four rotating wheels 11, starting a lifting motor 26, driving a fourth lead screw to rotate by an output shaft of the lifting motor 26, driving a lifting strip 27 to lift by the fourth lead screw, adjusting the height of the lifting strip 27, starting a conveying motor 4, driving a first lead screw 5 to rotate by an output shaft of the conveying motor 4, driving an adjusting seat 3 to horizontally move by the first lead screw 5, driving the reinforced wear-resistant PE water supply pipe to enter a cleaning chamber 1 from an inlet and an outlet, the lifting strip 27 enters the inner cavity of the reinforced wear-resistant PE water supply pipe, the four guide cylinders 34 are started, piston rods of the guide cylinders 34 push the movable block 29, the movable block 29 drives the two rotating rods 30 to rotate, then the two mounting shells 31 move in opposite directions, the two inner cleaning rollers 32 on the two mounting shells 31 respectively contact the upper side and the lower side of the inner wall of the reinforced wear-resistant PE water supply pipe, the fixed motor 13 is started, an output shaft of the fixed motor 13 drives the third screw 14 to rotate, the third screw 14 drives the two connecting arms 15 to move in opposite directions or opposite directions, the two telescopic cylinders 16 are started, piston rods of the telescopic cylinders 16 drive the two lifting rods 18 to descend through the lifting plate 17, the two lifting rods 18 drive the outer side shell 20 to descend through the two connecting seats 19, the outer cleaning rollers 21 on the outer side shell 20 are in contact with the outer wall of the reinforced wear-resistant PE water supply pipe, the driving motor 10 is started, and an output shaft of the driving motor 10 drives the rotating wheel 11 to rotate, the rotating wheel 11 drives the reinforced wear-resistant PE water supply pipe to rotate, the inner cleaning roller 32 rotates and cleans the inner wall of the reinforced wear-resistant PE water supply pipe, the outer cleaning roller 21 rotates and cleans the outer wall of the reinforced wear-resistant PE water supply pipe, the drying fan 24 dries the outer wall of the reinforced wear-resistant PE water supply pipe, and the electric heating wire 33 dries the inner wall of the reinforced wear-resistant PE water supply pipe.
Specifically, the preparation process of the graphene functional master batch is as follows: carrying out surface treatment on nano graphene by using a surface synergist and a hyperdispersant in an atomizing spraying manner, drying to obtain pretreated nano graphene for later use, weighing 40 parts by weight of PE100 resin, 44 parts by weight of pretreated nano graphene, 2 parts by weight of a lubricant, 3 parts by weight of a processing aid, 0.5 part by weight of an antioxidant and 1 part by weight of a light stabilizer, carrying out banburying, extrusion and granulation to obtain a graphene functional master batch, wherein the banburying process temperature is 140 ℃, the granulation temperature is 180 ℃, the hyperdispersant is a water-soluble polymer dispersant, the surface synergist is titanate, the light stabilizer is a benzotriazole ultraviolet absorbent, the lubricant is a polyolefin oligomer, the processing aid is an ethylene copolymer, and the antioxidant is a hindered phenol antioxidant.
The tensile strength of the enhanced abrasion resistant PE service pipe of example 1 was 28 MPa.
Example 2
The reinforced wear-resistant PE water supply pipe comprises an inner layer, a core layer and an outer layer, wherein the inner layer is prepared from the following raw materials in parts by weight: 96 parts of polyethylene resin, 6 parts of graphene functional master batch, and a core layer prepared from the following raw materials in parts by weight: 120 parts of polyethylene graft resin, wherein the outer layer is prepared from the following raw materials in parts by weight: 95 parts of block copolymer polypropylene and 6 parts of graphene functional master batch;
the reinforced wear-resistant PE water supply pipe is prepared by the following steps:
the raw materials of the inner layer, the core layer and the outer layer are added into a three-layer co-extrusion die, composite extrusion molding is carried out at 220 ℃, and the rest steps are the same as those in the embodiment 1.
Specifically, the preparation process of the graphene functional master batch is as follows: carrying out surface treatment on nano graphene by using a surface synergist and a hyperdispersant in an atomization spraying mode, drying to obtain pretreated nano graphene for later use, weighing 50 parts by weight of PE100 resin, 46 parts by weight of pretreated nano graphene, 4 parts by weight of a lubricant, 5 parts by weight of a processing aid, 1.5 parts by weight of an antioxidant and 2 parts by weight of a light stabilizer, carrying out banburying, extrusion and granulation to obtain a graphene functional master batch, wherein the banburying process temperature is 165 ℃, the granulation temperature is 195 ℃, the hyperdispersant is a water-soluble polymer dispersant, the surface synergist is titanate, the light stabilizer is a benzotriazole ultraviolet absorbent, the lubricant is a polyolefin oligomer, the processing aid is an ethylene copolymer, and the antioxidant is a hindered phenol antioxidant.
The tensile strength of the enhanced abrasion resistant PE service pipe of example 2 was 35 MPa.
The cleaning equipment comprises a cleaning room 1, a conveying base 2 is arranged on the cleaning room 1, an adjusting base 3 is arranged on the conveying base 2 in a sliding manner, two supporting seats 6 are arranged on the adjusting base 3 in a sliding manner, two mounting plates 9 are arranged on the supporting seats 6 in a sliding manner, a shaft seat is arranged on the mounting plates 9, a rotating wheel 11 is arranged on the shaft seat in a rotating manner, a driving motor 10 is arranged on the mounting plates 9, an output shaft of the driving motor 10 is connected with the rotating wheel 11, a fixed shell 12 is arranged in the cleaning room 1, two connecting arms 15 are arranged on the fixed shell 12 in a sliding manner, a telescopic cylinder 16 is arranged on the connecting arms 15, a lifting plate 17 is arranged at the end part of a piston rod of the telescopic cylinder 16, two lifting rods 18 are arranged on the lifting plate 17, connecting seats 19 are arranged on the lifting rods 18, the two connecting seats 19 are arranged at the same side of an outer side shell 20, an outer cleaning roller 21 is rotatably arranged in the outer side shell 20, and an extruding block 22 is arranged in the outer side shell 20, be provided with aqua storage tank 23 in the shell 20 of shell outside, drying fan 24 is installed at 1 top in clean room, be provided with lift adjustment case 25 in the clean room 1, slidable mounting has lifting strip 27 on lift adjustment case 25, install two fixed plates 28 on the lifting strip 27, slidable mounting has two movable blocks 29 on the fixed plate 28, rotatable mounting has two dwang 30 on the movable block 29, four dwang 30 all rotate and connect installing casing 31, rotatable mounting has interior cleaning roller 32 on the installing casing 31, electric heating wire 33 is all installed to lifting strip 27 both sides.
6 internal rotations of supporting seat are provided with second lead screw 8, and mounting motor 7 is installed to 6 one sides of supporting seat, and mounting motor 7 output shaft is connected second lead screw 8, and 8 both ends screw thread faces of second lead screw are along the middle part being the symmetry setting, two mounting panels 9 of 8 both ends threaded connection of second lead screw.
A third lead screw 14 is rotatably arranged in the fixed shell 12, a fixed motor 13 is installed on one side of the fixed shell 12, an output shaft of the fixed motor 13 is connected with the third lead screw 14, thread surfaces at two ends of the third lead screw 14 are symmetrically arranged along the middle part, and two connecting arms 15 are in threaded connection with two ends of the third lead screw 14.
The two fixing plates 28 are respectively arranged on the upper side and the lower side of the lifting strip 27, two guide cylinders 34 are arranged on the fixing plates 28, the two guide cylinders 34 correspond to the two movable blocks 29 one by one, and piston rods of the guide cylinders 34 are connected with the movable blocks 29.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (7)
1. The preparation method of the reinforced wear-resistant PE water supply pipe is characterized by comprising an inner layer, a core layer and an outer layer, wherein the inner layer is prepared from the following raw materials in parts by weight: 92-96 parts of polyethylene resin, 3-6 parts of graphene functional master batch, and a core layer prepared from the following raw materials in parts by weight: 100 portions of polyethylene graft resin and 120 portions of polyethylene graft resin, wherein the outer layer is prepared by the following raw materials in parts by weight: 90-95 parts of block copolymerization polypropylene and 3-6 parts of graphene functional master batch;
the reinforced wear-resistant PE water supply pipe is prepared by the following steps:
adding the raw materials of the inner layer, the core layer and the outer layer into a three-layer co-extrusion die, carrying out co-extrusion outer layer treatment, carrying out composite extrusion molding at the temperature of 190 plus 220 ℃ to obtain a reinforced wear-resistant PE water supply pipe, starting two mounting motors (7) of the cleaning equipment after water cooling, driving a second lead screw (8) to rotate by an output shaft of the mounting motors (7), driving the second lead screw (8) to adjust the distance between two mounting plates (9), further adjusting the distance between two rotating wheels (11) through two shaft seats, placing the reinforced wear-resistant PE water supply pipe between the four rotating wheels (11), starting a lifting motor (26), driving a fourth lead screw to rotate by an output shaft of the lifting motor (26), driving a lifting strip (27) to lift by the fourth lead screw, adjusting the height of the lifting strip (27), starting a conveying motor (4), driving a first lead screw (5) to rotate by an output shaft of the conveying motor (4), the first lead screw (5) drives the adjusting seat (3) to move horizontally, the adjusting seat (3) drives the reinforced wear-resistant PE water supply pipe to enter the cleaning chamber (1) from an inlet and an outlet, the lifting strip (27) enters the inner cavity of the reinforced wear-resistant PE water supply pipe, four guide cylinders (34) are opened, piston rods of the guide cylinders (34) push movable blocks (29), the movable blocks (29) drive two rotating rods (30) to rotate, then two mounting shells (31) move reversely, two inner cleaning rollers (32) on the two mounting shells (31) are respectively contacted with the upper side and the lower side of the inner wall of the reinforced wear-resistant PE water supply pipe, a fixed motor (13) is started, an output shaft of the fixed motor (13) drives a third lead screw (14) to rotate, the third lead screw (14) drives two connecting arms (15) to move oppositely or reversely, two telescopic cylinders (16) are started, piston rods of the telescopic cylinders (16) drive two lifting rods (18) to descend through a lifting plate (17), the two lifting rods (18) drive an outer shell (20) to descend through two connecting seats (19), an outer cleaning roller (21) on the outer shell (20) is in contact with the outer wall of the reinforced wear-resistant PE water supply pipe, a driving motor (10) is started, an output shaft of the driving motor (10) drives a rotating wheel (11) to rotate, the rotating wheel (11) drives the reinforced wear-resistant PE water supply pipe to rotate, an inner cleaning roller (32) rotates and cleans the inner wall of the reinforced wear-resistant PE water supply pipe, the outer cleaning roller (21) rotates and cleans the outer wall of the reinforced wear-resistant PE water supply pipe, a drying fan (24) dries the outer wall of the reinforced wear-resistant PE water supply pipe, and an electric heating wire (33) dries the inner wall of the reinforced wear-resistant PE water supply pipe;
the preparation process of the graphene functional master batch comprises the following steps: carrying out surface treatment on nano-graphene by using a surface synergist and a hyper-dispersant in an atomizing and spraying manner, drying to obtain pretreated nano-graphene for later use, weighing 40-50 parts by weight of PE100 resin, 44-46 parts by weight of pretreated nano-graphene, 2-4 parts by weight of a lubricant, 3-5 parts by weight of a processing aid, 0.5-1.5 parts by weight of an antioxidant and 1-2 parts by weight of a light stabilizer, and carrying out banburying, extrusion and granulation to obtain a graphene functional master batch, wherein the banburying process temperature is 140-.
2. The preparation method of the reinforced wear-resistant PE water supply pipe according to claim 1, wherein a cleaning device comprises a clean room (1), a conveying base (2) is installed on the clean room (1), an adjusting seat (3) is installed on the conveying base (2) in a sliding manner, two supporting seats (6) are installed on the adjusting seat (3) in a sliding manner, two mounting plates (9) are installed on the supporting seats (6) in a sliding manner, a shaft seat is installed on each mounting plate (9), a rotating wheel (11) is installed on each shaft seat in a rotating manner, a driving motor (10) is installed on each mounting plate (9), an output shaft of the driving motor (10) is connected with the rotating wheel (11), a fixed shell (12) is installed in the clean room (1), two connecting arms (15) are installed on each fixed shell (12) in a sliding manner, a telescopic cylinder (16) is installed on each connecting arm (15), the end part of a piston rod of the telescopic cylinder (16) is provided with a lifting plate (17), the lifting plate (17) is provided with two lifting rods (18), the lifting rods (18) are provided with connecting seats (19), the two connecting seats (19) are arranged on the same side of an outer shell (20), an outer cleaning roller (21) is rotatably arranged in the outer shell (20), an extrusion block (22) and a water storage tank (23) are arranged in the outer shell (20), a drying fan (24) is arranged at the top of the cleaning chamber (1), a lifting adjusting box (25) is arranged in the cleaning chamber (1), a lifting strip (27) is slidably arranged on the lifting adjusting box (25), two fixed plates (28) are arranged on the lifting strip (27), two movable blocks (29) are slidably arranged on the fixed plates (28), and two rotating rods (30) are rotatably arranged on the movable blocks (29), four dwang (30) are all rotated and are connected installation shell (31), clean roll (32) in installing are rotated on installation shell (31), electric heating wire (33) are all installed to lifting strip (27) both sides.
3. The preparation method of the reinforced wear-resistant PE water supply pipe according to claim 2, wherein the conveying base (2) is installed at the bottom of an inner cavity of a clean room (1), an inlet and an outlet are formed in one side of the clean room (1), the conveying base (2) penetrates through the inlet and the outlet, a first lead screw (5) is rotatably arranged in the conveying base (2), a conveying motor (4) is installed on one side of the conveying base (2), and an output shaft of the conveying motor (4) is connected with the first lead screw (5).
4. The preparation method of the reinforced wear-resistant PE water supply pipe according to claim 2, wherein a second lead screw (8) is rotatably arranged in the support seat (6), a mounting motor (7) is mounted on one side of the support seat (6), an output shaft of the mounting motor (7) is connected with the second lead screw (8), thread surfaces at two ends of the second lead screw (8) are symmetrically arranged along the middle part, and two mounting plates (9) are in threaded connection with two ends of the second lead screw (8).
5. The preparation method of the reinforced wear-resistant PE water supply pipe according to claim 2, wherein a third lead screw (14) is rotatably arranged in the fixed shell (12), a fixed motor (13) is installed on one side of the fixed shell (12), an output shaft of the fixed motor (13) is connected with the third lead screw (14), thread surfaces at two ends of the third lead screw (14) are symmetrically arranged along the middle part, and two connecting arms (15) are in threaded connection with two ends of the third lead screw (14).
6. The preparation method of the reinforced wear-resistant PE water supply pipe according to claim 2, wherein the lifting rods (18) are installed on the lower surface of the lifting plate (17), the two lifting rods (18) are respectively arranged on two sides of the telescopic cylinder (16), the connecting seat (19) is installed at the bottom of each lifting rod (18), a fourth lead screw is rotatably arranged in the lifting adjusting box (25), the lifting motor (26) is installed at the top of the lifting adjusting box (25), an output shaft of the lifting motor (26) is connected with the fourth lead screw, and the fourth lead screw is in threaded connection with the lifting strip (27).
7. The preparation method of the reinforced wear-resistant PE water supply pipe according to claim 2, wherein two fixing plates (28) are respectively arranged on the upper side and the lower side of the lifting bar (27), two guide cylinders (34) are arranged on the fixing plates (28), the two guide cylinders (34) correspond to the two movable blocks (29) one by one, and piston rods of the guide cylinders (34) are connected with the movable blocks (29).
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