CN112266520A - Organic rigid reinforced toughened alloy winding structure wall pipe for buried pipe and preparation method thereof - Google Patents
Organic rigid reinforced toughened alloy winding structure wall pipe for buried pipe and preparation method thereof Download PDFInfo
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- CN112266520A CN112266520A CN202011181576.4A CN202011181576A CN112266520A CN 112266520 A CN112266520 A CN 112266520A CN 202011181576 A CN202011181576 A CN 202011181576A CN 112266520 A CN112266520 A CN 112266520A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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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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- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Abstract
The invention discloses an organic rigidity-enhanced toughened alloy winding structure wall pipe for a buried pipe and a preparation method thereof, the alloy winding structure wall pipe has obvious advantages in low-temperature toughness, the alloy winding structure wall pipe prepared by adjusting the content of EVA in a formula, selecting EVA with specific vinyl acetate content and melt index, selecting wood flour mesh number and the like has good rigidity, high ring rigidity and strong creep resistance, can not deform due to gravity in the long-term use process, thereby prolonging the service life of the product, the ring rigidity of the organic rigidity-enhanced toughened alloy winding structure wall pipe for the buried pipe is SN8 according to GB/T9647-2015 determination, the grinding equipment can simultaneously grind two sides of the alloy winding structure wall pipe, has high grinding efficiency, and short moving stroke required by two grinding disks, so that the grinding time required by grinding the alloy winding structure wall pipe is short, the polishing efficiency is high.
Description
Technical Field
The invention relates to the technical field of pipe preparation, in particular to an organic rigid reinforced toughened alloy winding structure wall pipe for buried and a preparation method thereof.
Background
The winding structure wall pipe is a novel pipe with an outer wall with a ring structure and a smooth inner wall, and is firstly developed in Germany in the early 80 s. After more than ten years of development and improvement, the product series is developed from a single variety to a complete product series. The production process and the use technology are mature at present. In China, the popularization and application of the winding structure wall pipe are in the rising trend stage, and all technical indexes reach the use standards. The inner wall of the double-wall corrugated pipe is generally blue or black in color, and yellow is used for part of brands of inner walls.
Patent document (CN201710817856.1) discloses double-walled bellows, this double-walled bellows outer wall is corrugated structure and uses HDPE for former material, and the inlayer uses LDPE for former material, has reduced bending stiffness, conveniently buckles, but this double-walled bellows's ring rigidity does not reach SN8, and the double-walled bellows need polish to its inner wall after production simultaneously, and current equipment grinding efficiency is not high, and the stroke that the dish required removal of polishing is long, and the time that needs polish is longer.
Disclosure of Invention
The invention aims to provide an organic rigid reinforced toughened alloy winding structure wall pipe for burying and a preparation method thereof, and solves the following technical problems: (1) the alloy winding structure wall pipe prepared by the invention has obvious advantages in low-temperature toughness, and meanwhile, the alloy winding structure wall pipe prepared by adjusting the content of EVA in a formula, selecting EVA with specific vinyl acetate content and melt index, selecting wood flour mesh number and the like has good rigidity, high ring rigidity and strong creep resistance, can not deform due to gravity in the long-term use process, thereby prolonging the service life of the product, and the ring rigidity of the organic rigidity-enhanced toughened alloy winding structure wall pipe for the buried pipe is SN8 according to GB/T9647 + 2015; (2) the method comprises the steps of putting an organic rigid reinforced toughened alloy winding structure wall pipe for buried pipes into a peripheral drum of polishing equipment, enabling the surface of the organic rigid reinforced toughened alloy winding structure wall pipe for buried pipes to be in contact with four guide belts, starting four guide motors, driving one guide belt pulley to rotate by an output shaft of the guide motor, driving the guide belts to rotate by two guide belt pulleys, conveying the organic rigid reinforced toughened alloy winding structure wall pipe for buried pipes into the peripheral drum by the four guide belts, then starting a lifting driving motor, driving a first lead screw to rotate by an output shaft of the lifting driving motor, driving a lifting supporting plate to ascend by the first lead screw, driving two horizontal adjusting plates to ascend by the lifting supporting plate, driving two adjusting frames to ascend by the two horizontal adjusting plates, respectively ascending to the two sides of the peripheral drum, starting the horizontal adjusting motors, and driving a second lead screw to rotate by an output shaft, the second lead screw drives the two horizontal adjusting plates to move oppositely, so that the two adjusting frames move oppositely, the polishing discs enter the buried organic rigid reinforced toughened alloy winding structure wall pipe for the underground, and through the structural arrangement, the polishing equipment can simultaneously polish from two sides of the alloy winding structure wall pipe, the polishing is efficient, the moving stroke required by the two polishing discs is short, so that the polishing time required by polishing the alloy winding structure wall pipe is short, and the polishing efficiency is high; (3) the installation motor is started, an output shaft of the installation motor drives a belt pulley I to rotate, the belt pulley I drives a belt pulley II to rotate through a belt, the belt pulley II drives a third screw rod to rotate, the third screw rod drives a lifting seat to ascend, further drives a polishing disc to ascend, the polishing disc is in contact with the inner wall of the organic rigid reinforced toughened alloy winding structure wall pipe for the buried pipe, the polishing motor is started, an output shaft of the polishing motor drives the polishing disc to rotate, a speed reducing motor is started, an output shaft of the speed reducing motor drives a gear to rotate, a gear meshing gear ring drives a peripheral rotating drum to rotate, the peripheral rotating drum drives the organic rigid reinforced toughened alloy winding structure wall pipe for the buried pipe to rotate, further the polishing disc polishes the inner wall of the organic rigid reinforced toughened alloy winding structure wall pipe for the buried pipe, and through the above structural, polishing of the inner wall of the alloy winding structure wall pipe is completed by driving the alloy winding structure wall pipe to rotate, and two polishing discs can be driven to polish the alloy winding structure wall pipe from two ends to the middle position through adjustment of the horizontal adjusting motor and the second screw rod.
The purpose of the invention can be realized by the following technical scheme:
the organic rigid reinforced toughened alloy winding structure wall pipe for the buried pipe is prepared from the following raw materials in parts by weight: 100-120 parts of high-density polyethylene, 40-60 parts of wood powder, 1-3 parts of titanate coupling agent and 7-9 parts of ethylene-vinyl acetate copolymer;
the organic rigid reinforced and toughened alloy winding structure wall pipe for the buried pipe is prepared by the following steps:
the method comprises the following steps: drying the wood powder for 1-3 hours at 120-180 ℃ to ensure that the water content in the wood powder is lower than 300mg/kg, cooling to normal temperature, and mixing the wood powder with a titanate coupling agent to prepare a mixture A;
step two: heating the mixture A to 60-70 ℃, putting the heated mixture A into a high-speed mixer, stirring and dispersing for 5-7 minutes at 800-1100 r/min, then adding an ethylene-vinyl acetate copolymer, stirring uniformly, and then automatically cooling to obtain a mixture B;
step three: uniformly mixing the mixture B and high-density polyethylene, conveying the mixture B to an extruder, plasticizing and extruding, and molding by a mold to obtain an organic rigid reinforced and toughened alloy winding structure wall pipe for burying, putting the organic rigid reinforced and toughened alloy winding structure wall pipe for burying into a peripheral drum, contacting the surface of the organic rigid reinforced and toughened alloy winding structure wall pipe for burying with four guide belts, starting four guide motors, driving one guide belt pulley to rotate by an output shaft of the guide motor, driving the guide belts to rotate by two guide belt pulleys, conveying the organic rigid reinforced and toughened alloy winding structure wall pipe for burying into the peripheral drum by the four guide belts, then starting a lifting driving motor, driving a first lead screw to rotate by an output shaft of the lifting driving motor, driving a lifting support plate to ascend by the first lead screw, driving two horizontal adjusting plates to ascend by the lifting support plate, two level adjusting plates drive two adjusting frames to rise, the two adjusting frames respectively rise to the two sides of the revolving drum, a level adjusting motor is started, an output shaft of the level adjusting motor drives a second lead screw to rotate, the second lead screw drives the two level adjusting plates to move in opposite directions, and then the two adjusting frames move in opposite directions, a polishing disc enters the buried organic rigid reinforced toughened alloy winding structural wall pipe, an installation motor is started, an output shaft of the installation motor drives a belt pulley to rotate, the belt pulley drives a belt pulley to rotate through a belt, the belt pulley drives a third lead screw to rotate, the third lead screw drives a lifting seat to rise, and then drives a polishing disc to rise, the polishing disc contacts the inner wall of the buried organic rigid reinforced toughened alloy winding structural wall pipe, the polishing motor is started, the output shaft of the polishing motor drives the polishing disc to rotate, a speed reducing motor is started, the gear engagement ring gear drives the all-rotating drum to rotate, the all-rotating drum drives the buried organic rigid reinforcing and toughening alloy winding structure wall pipe to rotate, and then the polishing disc polishes the inner wall of the buried organic rigid reinforcing and toughening alloy winding structure wall pipe.
Furthermore, the mesh number of the wood powder is 80-110 meshes.
Furthermore, the vinyl acetate content in the ethylene-vinyl acetate copolymer is 35-45%.
Furthermore, the melt index of the ethylene-vinyl acetate copolymer is 0.7-1.5 g/10 min.
Further, the high density polyethylene is polyethylene PN 049.
Further, the polishing equipment comprises a supporting table, wherein a turnover mechanism is arranged on the supporting table and is arranged at the top of the supporting table, the turnover mechanism comprises a supporting seat, four bearing seats are arranged on the supporting seat, guide wheels are rotatably arranged on the bearing seats, a speed reducing motor is arranged on the supporting seat, a gear is arranged at the end part of an output shaft of the speed reducing motor, the gear is meshed with a toothed ring, the toothed ring is fixedly arranged on the outer peripheral surface of the peripheral drum, two guide rings are arranged on the peripheral surface of the peripheral drum, the two guide rings are respectively arranged at two sides of the toothed ring, one guide ring corresponds to the two guide wheels, the outer peripheral surface of the guide ring is contacted with the outer peripheral surface of the guide wheel, four guide mechanisms are arranged in the peripheral drum, radians such as the two guide mechanisms are, four connecting rods are installed on the guide shell, the four connecting rods are symmetrically installed on two sides of the guide shell, one end of each connecting rod, far away from the guide shell, is fixedly connected with the inner wall of the peripheral drum, two guide belt pulleys are rotatably arranged in the inner cavity of the guide shell, the two guide belt pulleys are in transmission connection through a guide belt, a guide motor is installed on the guide shell, the end part of an output shaft of the guide motor is connected with one of the guide belt pulleys, openings are formed in two sides of the supporting platform, a lifting driving motor is arranged at the bottom of the inner cavity of the supporting platform, a first lead screw is installed at the end part of the output shaft of the lifting driving motor, the first lead screw is in threaded connection with a lifting support plate, the lifting support plate is longitudinally and slidably installed in the, surface mounting has the leveling motor on the lifting support plate, the second lead screw is installed to leveling motor output shaft tip, and second lead screw both ends screw thread face is the symmetric distribution along the middle part, two leveling plates of second lead screw both ends threaded connection, installs the alignment jig on the leveling plate, longitudinal sliding installs the lift seat on the alignment jig, install the installation motor on the alignment jig, belt pulley one has been cup jointed to installation motor output shaft tip, longitudinal rotation is provided with the third lead screw on the alignment jig, and the cover is equipped with belt pulley two on the third lead screw, is connected through belt transmission between belt pulley one and the belt pulley two, and third lead screw threaded connection lift seat, install grinding motor on the lift seat, grinding motor output shaft end portion installs the mill.
Further, the working process of the grinding equipment is as follows:
the method comprises the steps of putting an organic rigid reinforced toughened alloy winding structure wall pipe for buried pipes into a peripheral drum of polishing equipment, enabling the surface of the organic rigid reinforced toughened alloy winding structure wall pipe for buried pipes to be in contact with four guide belts, starting four guide motors, driving one guide belt pulley to rotate by an output shaft of the guide motor, driving the guide belts to rotate by two guide belt pulleys, conveying the organic rigid reinforced toughened alloy winding structure wall pipe for buried pipes into the peripheral drum by the four guide belts, then starting a lifting driving motor, driving a first lead screw to rotate by an output shaft of the lifting driving motor, driving a lifting supporting plate to ascend by the first lead screw, driving two horizontal adjusting plates to ascend by the lifting supporting plate, driving two adjusting frames to ascend by the two horizontal adjusting plates, respectively ascending to the two sides of the peripheral drum, starting the horizontal adjusting motors, and driving a second lead screw to rotate by an output shaft, the second lead screw drives the two level adjusting plates to move oppositely, and then the two adjusting frames move oppositely, the polishing disc enters the buried organic rigid reinforced toughened alloy winding structure wall pipe, the installation motor is started, the output shaft of the installation motor drives the first belt pulley to rotate, the first belt pulley drives the second belt pulley to rotate through the belt, the second belt pulley drives the third lead screw to rotate, the third lead screw drives the lifting seat to ascend, then the grinding disc is driven to rise, the grinding disc is contacted with the inner wall of the organic rigid reinforced toughened alloy winding structure wall pipe for the buried pipe, the grinding motor is started, the output shaft of the grinding motor drives the grinding disc to rotate, the speed reducing motor is started, the output shaft of the speed reducing motor drives the gear to rotate, the gear meshing gear ring drives the peripheral drum to rotate, the peripheral drum drives the organic rigid reinforced toughened alloy winding structure wall pipe for the buried pipe to rotate, and then the inner wall of the organic rigid reinforced toughened alloy winding structure wall pipe for the buried pipe is polished by the polishing disc.
The invention has the beneficial effects that:
(1) the organic rigidity-enhanced toughened alloy winding structure wall pipe for the buried pipe and the preparation method thereof have the advantages that the alloy winding structure wall pipe prepared by the method has obvious advantage in low-temperature toughness, meanwhile, the alloy winding structure wall pipe prepared by adjusting the content of EVA in a formula, selecting EVA with specific vinyl acetate content and melt index, selecting wood flour mesh number and the like has good rigidity, high ring rigidity and strong creep resistance, and cannot deform due to gravity in the long-term use process, so that the service life of the product is prolonged, and the ring rigidity of the organic rigidity-enhanced toughened alloy winding structure wall pipe for the buried pipe is SN8 according to GB/T9647 + 2015 determination;
(2) the method comprises the steps of putting an organic rigid reinforced toughened alloy winding structure wall pipe for buried pipes into a peripheral drum of polishing equipment, enabling the surface of the organic rigid reinforced toughened alloy winding structure wall pipe for buried pipes to be in contact with four guide belts, starting four guide motors, driving one guide belt pulley to rotate by an output shaft of the guide motor, driving the guide belts to rotate by two guide belt pulleys, conveying the organic rigid reinforced toughened alloy winding structure wall pipe for buried pipes into the peripheral drum by the four guide belts, then starting a lifting driving motor, driving a first lead screw to rotate by an output shaft of the lifting driving motor, driving a lifting supporting plate to ascend by the first lead screw, driving two horizontal adjusting plates to ascend by the lifting supporting plate, driving two adjusting frames to ascend by the two horizontal adjusting plates, respectively ascending to the two sides of the peripheral drum, starting the horizontal adjusting motors, and driving a second lead screw to rotate by an output shaft, the second lead screw drives the two horizontal adjusting plates to move oppositely, so that the two adjusting frames move oppositely, the polishing discs enter the buried organic rigid reinforced toughened alloy winding structure wall pipe for the underground, and through the structural arrangement, the polishing equipment can simultaneously polish from two sides of the alloy winding structure wall pipe, the polishing is efficient, the moving stroke required by the two polishing discs is short, so that the polishing time required by polishing the alloy winding structure wall pipe is short, and the polishing efficiency is high;
(3) the installation motor is started, an output shaft of the installation motor drives a belt pulley I to rotate, the belt pulley I drives a belt pulley II to rotate through a belt, the belt pulley II drives a third screw rod to rotate, the third screw rod drives a lifting seat to ascend, further drives a polishing disc to ascend, the polishing disc is in contact with the inner wall of the organic rigid reinforced toughened alloy winding structure wall pipe for the buried pipe, the polishing motor is started, an output shaft of the polishing motor drives the polishing disc to rotate, a speed reducing motor is started, an output shaft of the speed reducing motor drives a gear to rotate, a gear meshing gear ring drives a peripheral rotating drum to rotate, the peripheral rotating drum drives the organic rigid reinforced toughened alloy winding structure wall pipe for the buried pipe to rotate, further the polishing disc polishes the inner wall of the organic rigid reinforced toughened alloy winding structure wall pipe for the buried pipe, and through the above structural, polishing of the inner wall of the alloy winding structure wall pipe is completed by driving the alloy winding structure wall pipe to rotate, and two polishing discs can be driven to polish the alloy winding structure wall pipe from two ends to the middle position through adjustment of the horizontal adjusting motor and the second screw rod.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the construction of the grinding apparatus of the present invention;
FIG. 2 is a schematic structural view of the epicyclic mechanism of the present invention;
FIG. 3 is a side view of the peripheral drum of the present invention;
FIG. 4 is a schematic structural view of the guide mechanism of the present invention;
FIG. 5 is an internal structural view of the guide housing of the present invention;
fig. 6 is a schematic structural view of the adjusting bracket of the present invention.
In the figure: 1. a support table; 2. a turnover mechanism; 3. a supporting seat; 4. a bearing seat; 5. a guide wheel; 6. a reduction motor; 7. a toothed ring; 8. a peripheral drum; 9. a guide ring; 10. a guide mechanism; 11. a connecting rod; 12. a guide housing; 13. a steering motor; 14. a guide pulley; 15. a guide belt; 16. an opening; 17. a lifting drive motor; 18. a first lead screw; 19. lifting the supporting plate; 20. a horizontal adjustment motor; 21. a second lead screw; 22. a level adjustment plate; 23. an adjusting bracket; 24. a lifting seat; 25. installing a motor; 26. polishing the motor; 27. a grinding disc.
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. 1-6
The organic rigid reinforced toughened alloy winding structure wall pipe for the buried pipe is prepared from the following raw materials in parts by weight: 100 parts of high-density polyethylene, 40 parts of wood powder, 1 part of titanate coupling agent and 7 parts of ethylene-vinyl acetate copolymer;
the organic rigid reinforced and toughened alloy winding structure wall pipe for the buried pipe is prepared by the following steps:
the method comprises the following steps: drying wood powder, drying at 120 ℃ for 1 hour to ensure that the water content is lower than 300mg/kg, cooling to normal temperature, and mixing with a titanate coupling agent to prepare a mixture A;
step two: heating the mixture A to 60 ℃, putting the heated mixture A into a high-speed mixer, stirring and dispersing for 5 minutes at 800 r/min, then adding the ethylene-vinyl acetate copolymer, stirring uniformly, and then automatically cooling to obtain a mixture B;
step three: uniformly mixing the mixture B and high-density polyethylene, conveying the mixture B to an extruder, plasticizing and extruding, and molding by a mold to obtain an organic rigid reinforced and toughened alloy winding structure wall pipe for buried, putting the organic rigid reinforced and toughened alloy winding structure wall pipe for buried into a peripheral rotary drum 8, contacting the surface of the organic rigid reinforced and toughened alloy winding structure wall pipe for buried with four guide belts 15, starting four guide motors 13, driving one guide belt pulley 14 to rotate by an output shaft of the guide motors 13, driving the guide belts 15 to rotate by two guide belt pulleys 14, conveying the organic rigid reinforced and toughened alloy winding structure wall pipe for buried into the peripheral rotary drum 8 by the four guide belts 15, starting a lifting driving motor 17, driving a first lead screw 18 to rotate by an output shaft of the lifting driving motor 17, driving a lifting supporting plate 19 to ascend by the first lead screw 18, driving two horizontal adjusting plates 22 by the lifting supporting plate 19, two level adjusting plates 22 drive two adjusting frames 23 to rise, the two adjusting frames 23 respectively rise to two sides of the revolving drum 8, a level adjusting motor 20 is started, an output shaft of the level adjusting motor 20 drives a second lead screw 21 to rotate, the second lead screw 21 drives the two level adjusting plates 22 to move oppositely, then the two adjusting frames 23 move oppositely, a polishing disc 27 enters the buried organic rigid reinforced toughened alloy winding structural wall pipe, an installation motor 25 is started, an output shaft of the installation motor 25 drives a belt pulley I to rotate, the belt pulley I drives a belt pulley II to rotate through a belt, the belt pulley II drives a third lead screw to rotate, the third lead screw drives a lifting seat 24 to rise, then the polishing disc 27 is driven to rise, the polishing disc 27 contacts the inner wall of the buried organic rigid reinforced alloy winding structural wall pipe, the polishing motor 26 is started, an output shaft of the polishing motor 26 drives the polishing disc 27 to rotate, open gear motor 6, gear motor 6 output shaft drives the gear and rotates, and gear engagement ring gear 7 drives all rotary drums 8 and rotates, and all rotary drums 8 drive bury ground and toughen alloy winding arrangement wall tubular product with organic rigidity reinforcing and rotate, and then polish mill 27 and polish to burying ground with organic rigidity reinforcing and toughening alloy winding arrangement wall tubular product inner wall.
Specifically, the mesh number of the wood powder is 80 meshes. The vinyl acetate content of the ethylene-vinyl acetate copolymer was 35%. The ethylene-vinyl acetate copolymer had a melt index of 0.7g/10 min. The high density polyethylene is polyethylene PN 049.
The ring stiffness of the organic rigid reinforced toughened alloy wound structural wall pipe for burying of example 1 is SN 8.
Example 2
The organic rigid reinforced toughened alloy winding structure wall pipe for the buried pipe is prepared from the following raw materials in parts by weight: 120 parts of high-density polyethylene, 60 parts of wood powder, 3 parts of titanate coupling agent and 9 parts of ethylene-vinyl acetate copolymer;
the organic rigid reinforced and toughened alloy winding structure wall pipe for the buried pipe is prepared by the following steps:
the method comprises the following steps: drying wood powder for 3 hours at 180 ℃ until the water content is lower than 300mg/kg, cooling to normal temperature, and mixing with a titanate coupling agent to prepare a mixture A;
step two: heating the mixture A to 70 ℃, putting the heated mixture A into a high-speed mixer, stirring and dispersing for 7 minutes at 1100 r/min, then adding the ethylene-vinyl acetate copolymer, stirring uniformly, and then automatically cooling to obtain a mixture B;
step three: and (3) uniformly mixing the mixture B with high-density polyethylene, conveying the mixture B to an extruder, plasticizing and extruding, and molding by using a mold to obtain the buried organic rigid reinforced and toughened alloy winding structural wall pipe, putting the buried organic rigid reinforced and toughened alloy winding structural wall pipe into a peripheral drum, wherein the rest steps are the same as those in the embodiment 1.
Specifically, the mesh number of the wood powder is 110 meshes. The vinyl acetate content of the ethylene-vinyl acetate copolymer was 45%. The ethylene-vinyl acetate copolymer had a melt index of 1.5g/10 min. The high density polyethylene is polyethylene PN 049.
The ring stiffness of the organic rigid reinforced toughened alloy wound structural wall pipe for burying of example 1 is SN 8.
The polishing equipment comprises a supporting table 1, a turnover mechanism 2 is arranged on the supporting table 1, the turnover mechanism 2 is arranged on the top of the supporting table 1, the turnover mechanism 2 comprises a supporting seat 3, four bearing seats 4 are arranged on the supporting seat 3, guide wheels 5 are rotatably arranged on the bearing seats 4, a speed reducing motor 6 is arranged on the supporting seat 3, gears are arranged at the end parts of output shafts of the speed reducing motor 6, the gears are meshed with a toothed ring 7, the toothed ring 7 is fixedly arranged on the outer peripheral surface of a peripheral drum 8, two guide rings 9 are arranged on the peripheral drum 8, the two guide rings 9 are both arranged on the outer peripheral surface of the peripheral drum 8, the two guide rings 9 are respectively arranged on two sides of the toothed ring 7, one guide ring 9 corresponds to the two guide wheels 5, the outer peripheral surface of the guide ring 9 is contacted with the outer peripheral surface of the, the guide mechanism 10 comprises a guide shell 12, four connecting rods 11 are arranged on the guide shell 12, the four connecting rods 11 are symmetrically arranged on two sides of the guide shell 12, one end of each connecting rod 11, far away from the guide shell 12, is fixedly connected with the inner wall of the peripheral drum 8, two guide belt pulleys 14 are rotatably arranged in the inner cavity of the guide shell 12, the two guide belt pulleys 14 are in transmission connection through a guide belt 15, a guide motor 13 is arranged on the guide shell 12, the end part of an output shaft of the guide motor 13 is connected with one of the guide belt pulleys 14, openings 16 are arranged on two sides of the support platform 1, a lifting driving motor 17 is arranged at the bottom of the inner cavity of the support platform 1, a first lead screw 18 is arranged at the end part of the output shaft of the lifting driving motor 17, the first lead screw 18 is in threaded connection with, two level adjusting plates 22 are slidably mounted on the lifting supporting plate 19, a level adjusting motor 20 is mounted on the upper surface of the lifting supporting plate 19, a second lead screw 21 is mounted at the end part of an output shaft of the level adjusting motor 20, thread surfaces at two ends of the second lead screw 21 are symmetrically distributed along the middle part, two level adjusting plates 22 are in threaded connection with two ends of the second lead screw 21, an adjusting frame 23 is mounted on the level adjusting plate 22, a lifting seat 24 is longitudinally slidably mounted on the adjusting frame 23, an installation motor 25 is mounted on the adjusting frame 23, a first belt pulley is sleeved at the end part of the output shaft of the installation motor 25, a third lead screw is longitudinally rotatably arranged on the adjusting frame 23, a second belt pulley is sleeved on the third lead screw, the first belt pulley is connected with the second belt pulley through belt transmission, the third lead screw is in threaded connection with the lifting seat 24, a polishing.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (7)
1. The organic rigid reinforced toughened alloy winding structural wall pipe for the buried pipe is characterized by being prepared from the following raw materials in parts by weight: 100-120 parts of high-density polyethylene, 40-60 parts of wood powder, 1-3 parts of titanate coupling agent and 7-9 parts of ethylene-vinyl acetate copolymer;
the organic rigid reinforced and toughened alloy winding structure wall pipe for the buried pipe is prepared by the following steps:
the method comprises the following steps: drying the wood powder for 1-3 hours at 120-180 ℃ to ensure that the water content in the wood powder is lower than 300mg/kg, cooling to normal temperature, and mixing the wood powder with a titanate coupling agent to prepare a mixture A;
step two: heating the mixture A to 60-70 ℃, putting the heated mixture A into a high-speed mixer, stirring and dispersing for 5-7 minutes at 800-1100 r/min, then adding an ethylene-vinyl acetate copolymer, stirring uniformly, and then automatically cooling to obtain a mixture B;
step three: uniformly mixing the mixture B and high-density polyethylene, adding the mixture B into an extruder, plasticizing and extruding, and molding by a mold to obtain an organic rigid reinforced toughened alloy winding structure wall pipe for burying, putting the organic rigid reinforced toughened alloy winding structure wall pipe for burying into a peripheral drum of polishing equipment, contacting the surface of the organic rigid reinforced toughened alloy winding structure wall pipe for burying with four guide belts, starting four guide motors, driving a guide belt pulley to rotate by an output shaft of the guide motors, driving the guide belts to rotate by two guide belt pulleys, conveying the organic rigid reinforced toughened alloy winding structure wall pipe for burying into the peripheral drum by the four guide belts, then starting a lifting driving motor, driving a first lead screw to rotate by an output shaft of the lifting driving motor, driving a lifting support plate to ascend by the first lead screw, driving two horizontal adjusting plates to ascend by the lifting support plate, two level adjusting plates drive two adjusting frames to rise, the two adjusting frames respectively rise to the two sides of the revolving drum, a level adjusting motor is started, an output shaft of the level adjusting motor drives a second lead screw to rotate, the second lead screw drives the two level adjusting plates to move in opposite directions, and then the two adjusting frames move in opposite directions, a polishing disc enters the buried organic rigid reinforced toughened alloy winding structural wall pipe, an installation motor is started, an output shaft of the installation motor drives a belt pulley to rotate, the belt pulley drives a belt pulley to rotate through a belt, the belt pulley drives a third lead screw to rotate, the third lead screw drives a lifting seat to rise, and then drives a polishing disc to rise, the polishing disc contacts the inner wall of the buried organic rigid reinforced toughened alloy winding structural wall pipe, the polishing motor is started, the output shaft of the polishing motor drives the polishing disc to rotate, a speed reducing motor is started, the gear engagement ring gear drives the all-rotating drum to rotate, the all-rotating drum drives the buried organic rigid reinforcing and toughening alloy winding structure wall pipe to rotate, and then the polishing disc polishes the inner wall of the buried organic rigid reinforcing and toughening alloy winding structure wall pipe.
2. The preparation method of the organic rigid reinforced toughened alloy winding structure wall pipe for the buried pipe is characterized by comprising the following steps of:
the method comprises the following steps: drying the wood powder for 1-3 hours at 120-180 ℃ to ensure that the water content in the wood powder is lower than 300mg/kg, cooling to normal temperature, and mixing the wood powder with a titanate coupling agent to prepare a mixture A;
step two: heating the mixture A to 60-70 ℃, putting the heated mixture A into a high-speed mixer, stirring and dispersing for 5-7 minutes at 800-1100 r/min, then adding an ethylene-vinyl acetate copolymer, stirring uniformly, and then automatically cooling to obtain a mixture B;
step three: uniformly mixing the mixture B and high-density polyethylene, adding the mixture B into an extruder, plasticizing and extruding, and molding by a mold to obtain an organic rigid reinforced toughened alloy winding structure wall pipe for burying, putting the organic rigid reinforced toughened alloy winding structure wall pipe for burying into a peripheral drum of polishing equipment, contacting the surface of the organic rigid reinforced toughened alloy winding structure wall pipe for burying with four guide belts, starting four guide motors, driving a guide belt pulley to rotate by an output shaft of the guide motors, driving the guide belts to rotate by two guide belt pulleys, conveying the organic rigid reinforced toughened alloy winding structure wall pipe for burying into the peripheral drum by the four guide belts, then starting a lifting driving motor, driving a first lead screw to rotate by an output shaft of the lifting driving motor, driving a lifting support plate to ascend by the first lead screw, driving two horizontal adjusting plates to ascend by the lifting support plate, two level adjusting plates drive two adjusting frames to rise, the two adjusting frames respectively rise to the two sides of the revolving drum, a level adjusting motor is started, an output shaft of the level adjusting motor drives a second lead screw to rotate, the second lead screw drives the two level adjusting plates to move in opposite directions, and then the two adjusting frames move in opposite directions, a polishing disc enters the buried organic rigid reinforced toughened alloy winding structural wall pipe, an installation motor is started, an output shaft of the installation motor drives a belt pulley to rotate, the belt pulley drives a belt pulley to rotate through a belt, the belt pulley drives a third lead screw to rotate, the third lead screw drives a lifting seat to rise, and then drives a polishing disc to rise, the polishing disc contacts the inner wall of the buried organic rigid reinforced toughened alloy winding structural wall pipe, the polishing motor is started, the output shaft of the polishing motor drives the polishing disc to rotate, a speed reducing motor is started, the gear engagement ring gear drives the all-rotating drum to rotate, the all-rotating drum drives the buried organic rigid reinforcing and toughening alloy winding structure wall pipe to rotate, and then the polishing disc polishes the inner wall of the buried organic rigid reinforcing and toughening alloy winding structure wall pipe.
3. The preparation method of the buried organic rigid reinforcing and toughening alloy winding structure wall pipe according to claim 2, wherein the mesh number of the wood powder is 80-110 meshes.
4. The method for preparing the buried organic rigid reinforced and toughened alloy winding structure wall pipe according to claim 2, wherein the vinyl acetate content in the ethylene-vinyl acetate copolymer is 35-45%.
5. The method for preparing the buried organic rigid reinforced and toughened alloy winding structural wall pipe according to claim 2, wherein the melt index of the ethylene-vinyl acetate copolymer is 0.7-1.5 g/10 min.
6. The method for preparing the buried organic rigid reinforced and toughened alloy winding structural wall pipe as claimed in claim 2, wherein the high-density polyethylene is polyethylene PN 049.
7. The preparation method of the buried organic rigid reinforced and toughened alloy winding structure wall pipe according to claim 2, wherein the working process of the grinding equipment is as follows:
the method comprises the steps of putting an organic rigid reinforced toughened alloy winding structure wall pipe for the buried pipe into a peripheral drum, enabling the surface of the organic rigid reinforced toughened alloy winding structure wall pipe for the buried pipe to be in contact with four guide belts, starting four guide motors, enabling an output shaft of the guide motors to drive guide belt pulleys to rotate, enabling the two guide belt pulleys to drive the guide belts to rotate, enabling the four guide belts to convey the organic rigid reinforced toughened alloy winding structure wall pipe for the buried pipe into the peripheral drum, then starting a lifting driving motor, enabling an output shaft of the lifting driving motor to drive a first lead screw to rotate, enabling the first lead screw to drive a lifting support plate to ascend, enabling the lifting support plate to drive two horizontal adjusting plates to ascend, enabling the two horizontal adjusting plates to drive two adjusting frames to ascend to two sides of the peripheral drum respectively, starting a horizontal adjusting motor, enabling an output, the second lead screw drives the two level adjusting plates to move oppositely, and then the two adjusting frames move oppositely, the polishing disc enters the buried organic rigid reinforced toughened alloy winding structure wall pipe, the installation motor is started, the output shaft of the installation motor drives the first belt pulley to rotate, the first belt pulley drives the second belt pulley to rotate through the belt, the second belt pulley drives the third lead screw to rotate, the third lead screw drives the lifting seat to ascend, then the grinding disc is driven to rise, the grinding disc is contacted with the inner wall of the organic rigid reinforced toughened alloy winding structure wall pipe for the buried pipe, the grinding motor is started, the output shaft of the grinding motor drives the grinding disc to rotate, the speed reducing motor is started, the output shaft of the speed reducing motor drives the gear to rotate, the gear meshing gear ring drives the peripheral drum to rotate, the peripheral drum drives the organic rigid reinforced toughened alloy winding structure wall pipe for the buried pipe to rotate, and then the inner wall of the organic rigid reinforced toughened alloy winding structure wall pipe for the buried pipe is polished by the polishing disc.
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