CN116423865A - Production process and equipment for plastic fiber composite pipe - Google Patents
Production process and equipment for plastic fiber composite pipe Download PDFInfo
- Publication number
- CN116423865A CN116423865A CN202310339390.4A CN202310339390A CN116423865A CN 116423865 A CN116423865 A CN 116423865A CN 202310339390 A CN202310339390 A CN 202310339390A CN 116423865 A CN116423865 A CN 116423865A
- Authority
- CN
- China
- Prior art keywords
- extrusion
- extrusion cylinder
- fiber composite
- heating
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 54
- 229920003023 plastic Polymers 0.000 title claims abstract description 54
- 239000000835 fiber Substances 0.000 title claims abstract description 53
- 239000002131 composite material Substances 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000001125 extrusion Methods 0.000 claims abstract description 110
- 238000010438 heat treatment Methods 0.000 claims abstract description 52
- 210000001503 joint Anatomy 0.000 claims abstract description 38
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims description 30
- 229920005989 resin Polymers 0.000 claims description 30
- 238000002156 mixing Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 16
- 238000004804 winding Methods 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 12
- 229920000098 polyolefin Polymers 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 6
- 239000004841 bisphenol A epoxy resin Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000000701 coagulant Substances 0.000 claims description 6
- 239000000806 elastomer Substances 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 229920000570 polyether Polymers 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 229910000077 silane Inorganic materials 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 229920001169 thermoplastic Polymers 0.000 claims description 6
- 239000012745 toughening agent Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000003712 anti-aging effect Effects 0.000 claims description 3
- 239000012962 antiaging additive Substances 0.000 claims description 3
- 239000012752 auxiliary agent Substances 0.000 claims description 3
- -1 compatilizer Polymers 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 6
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 6
- 241001330002 Bambuseae Species 0.000 abstract 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 6
- 239000011425 bamboo Substances 0.000 abstract 6
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000003365 glass fiber Substances 0.000 description 9
- 229920000049 Carbon (fiber) Polymers 0.000 description 7
- 239000004917 carbon fiber Substances 0.000 description 7
- 239000010410 layer Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001947 vapour-phase growth Methods 0.000 description 1
Images
Classifications
-
- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/832—Heating
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of plastic fiber composite pipe processing, in particular to a production process and equipment of a plastic fiber composite pipe, and the production process comprises production equipment and production technology. Through dividing into three heating intervals at first extrusion section of thick bamboo and second extrusion section of thick bamboo, and all set up electromagnetic induction heating coil in the inner chamber of every heating interval, can carry out subregion heating to the inside raw materials that passes through of first extrusion section of thick bamboo and second extrusion section of thick bamboo, through set up the spiral pay-off leaf that reduces gradually from left to right clearance on the spiral pay-off axle, can progressively compress the material that gets into, reject material inside air, extrusion effect is good, the feed is by dividing into the syllogic, and the joint between every section spiral pay-off axle is by butt flange fixed connection, and all be provided with the cavity in the middle part of the adjacent joint, set up thermal-insulated section of thick bamboo in the mounting groove of butt joint pole end department, the setting of thermal-insulated section of thick bamboo can effectively stop the use of high temperature influence power and treater, temperature sensor detectable comes from the temperature of spiral pay-off axle transmission.
Description
Technical Field
The invention relates to the technical field of plastic fiber composite pipe processing, in particular to a production process and equipment of a plastic fiber composite pipe.
Background
As a chemical building material, the plastic pipe has the characteristics of low energy consumption, corrosion resistance, environmental friendliness and long service life. In order to improve the strength of the plastic pipe and enable the plastic pipe to have the functions of high strength and high compression resistance, a composite pipe structure is generally adopted, namely, an inner layer and an outer layer are made of polymer materials, and an intermediate layer is made of functional materials.
The plastic fiber composite pipe is a pipe composited by plastic and fiber, extrusion equipment is needed in the processing process, the existing extrusion equipment is mainly single-channel extrusion, and the heating partition of materials in the extrusion process is not fine enough, so that the temperature of the materials cannot be detected directly in the early extrusion cylinder;
the existing plastic fiber composite pipe is mainly made of single-layer or single-material plastic materials, and the toughness and the strength are mostly the same, so that the production process and the equipment of the plastic fiber composite pipe are provided for the problems.
Disclosure of Invention
The invention aims to provide a production process and equipment of a plastic fiber composite pipe, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the production equipment of the plastic fiber composite pipe comprises a first extrusion cylinder and a second extrusion cylinder which are arranged on a base side by side, wherein the first extrusion cylinder and the second extrusion cylinder are respectively divided into three heating sections from left to right, heating mechanisms are arranged in the heating sections, and feeding mechanisms are arranged in the first extrusion cylinder and the second extrusion cylinder;
the heating mechanism comprises an inner cavity which is arranged inside the first extrusion cylinder and the second extrusion cylinder, a heating metal sleeve which is attached to the inner walls of the first extrusion cylinder and the second extrusion cylinder is arranged on the inner wall of the inner cavity, a ceramic insulating sleeve is fixedly arranged on the outer wall of the heating metal sleeve, and an electromagnetic induction heating coil is wound on the ceramic insulating sleeve;
the feeding mechanism comprises a spiral feeding shaft which is arranged inside a first extrusion cylinder and a second extrusion cylinder in a rotating mode, the spiral feeding shaft is divided into three sections from left to right in comparison with three heating sections, joints between each section of spiral feeding shaft are fixedly connected through butt flanges, cavities are formed in the middle of adjacent joints, butt joints are fixedly arranged in one of the cavities, butt grooves which are in butt joint with the butt joints are formed in the inner wall of the other cavity, concave mounting grooves are formed in the end heads of the butt joints, a heat insulation cylinder is arranged in the mounting grooves, a processor and a power supply for supplying power to the processor are arranged in the heat insulation cylinder, a temperature sensor is fixedly arranged on the outer wall of each cavity, and the temperature sensor is in communication connection with the processor.
As a preferable scheme, the spiral feeding shaft is provided with spiral feeding blades, the outer sides of which are attached to the inner walls of the first extrusion cylinder and the second extrusion cylinder, and the intervals between the spiral blades of the spiral feeding blades are gradually reduced from left to right.
As a preferable scheme, the left ends of the first extrusion cylinder and the second extrusion cylinder are provided with feed hoppers, the left ends of the first extrusion cylinder and the second extrusion cylinder are provided with discharge ports, the discharge ports are provided with extrusion heads, and the extrusion heads of the first extrusion cylinder are connected with the extrusion heads of the second extrusion cylinder through connecting pipes.
As a preferable scheme, the inner side of the butt flange connected with the spiral feeding shaft is provided with a sealing ring, the outer wall of the butt rod inserted into the butt groove end is provided with a sealing ring, the sealing ring is in extrusion fit with the inner wall of the butt groove, and the sealing ring are high-temperature-resistant rubber rings.
As a preferable scheme, motors are arranged at the left ends of the first extrusion cylinder and the second extrusion cylinder on the base, and motor shafts of the motors are connected with spiral feeding shafts of the first extrusion cylinder and the second extrusion cylinder through couplings respectively.
As a preferable scheme, the first extrusion cylinder and the second extrusion cylinder are fixedly arranged on the base through the support, and the arrangement positions of the support are respectively positioned at intervals of the heating section.
As a preferable scheme, a mounting frame is arranged above the charging hopper on the base, and a mixing feeder is arranged on a cross beam of the mounting frame.
A plastic fiber composite pipe production process comprises the following steps:
step one: raw material preparation: the composite material comprises an inner pipe raw material, an outer pipe raw material and a fiber net, wherein the inner pipe raw material comprises, by weight, 20-60 parts of bisphenol A epoxy resin, 25-30 parts of a curing agent, 20-60 parts of polyhydroxy polyether resin, 3-5 parts of a coagulant and 0.2-0.6 part of a toughening agent, and the outer pipe raw material comprises, by weight, 5-30 parts of short fibers, 10-20 parts of polyolefin grafted silane, 5-10 parts of reactive polyurethane, 0.1-10 parts of a compatilizer, 30-80 parts of polyolefin matrix resin, 5-35 parts of an elastomer tackifying resin and 0.1-2 parts of a processing anti-aging additive;
step two: manufacturing an inner tube: adding quantitative bisphenol A epoxy resin, a curing agent, polyhydroxy polyether resin, a coagulant and a toughening agent into a mixing feeder, mixing and stirring, introducing into a charging hopper, heating and extruding by a first extruding cylinder to obtain inner pipe resin, vertically injecting the inner pipe resin into a mold cavity by using a thermoplastic plastic injection molding process under the conditions of 150-400 ℃ and 10-30 MPa to prepare a sheet plastic strip, carrying out surface melting by a heater, and winding the sheet plastic strip on a pipe mold by using a winding machine to form an inner pipe;
step three: winding a web around the inner tubular layer;
step four: manufacturing an outer tube: adding quantitative short fiber, polyolefin grafted silane, reactive polyurethane, compatilizer, polyolefin matrix resin, elastomer tackifying resin and processing anti-aging auxiliary agent into a mixing feeder, mixing and stirring, introducing into a charging hopper, heating and extruding by a second extruding cylinder to obtain outer tube resin, vertically injecting the outer tube resin into a mold cavity by using a thermoplastic plastic injection molding process under the conditions of 200-400 ℃ and 15-30 MPa to prepare a sheet-shaped plastic strip, carrying out surface melting by a heater, winding the sheet-shaped plastic strip on an inner tube by a winding machine, and cooling and shaping to obtain the plastic fiber composite tube.
The technical scheme provided by the invention can be seen that the production process and equipment of the plastic fiber composite pipe provided by the invention have the beneficial effects that:
1. the first extrusion cylinder and the second extrusion cylinder are divided into three heating sections, electromagnetic induction heating coils are arranged in the inner cavity of each heating section, raw materials passing through the inside of the first extrusion cylinder and the inside of the second extrusion cylinder can be heated in a partitioning mode, and the entering materials can be compressed gradually by arranging spiral feeding blades which gradually shrink from left to right on the spiral feeding shaft, so that air in the materials is removed, the extrusion effect is good, and the raw materials are fed;
2. the spiral feeding shaft is divided into three sections, joints between each section of spiral feeding shaft are fixedly connected through butt flanges, cavities are formed in the middle parts of adjacent joints, a butt joint rod is fixedly arranged in one cavity, a butt joint groove which is in butt joint with the butt joint rod is formed in the inner wall of the other cavity, an inwards concave mounting groove is formed in the end of the butt joint rod, a heat insulation cylinder is arranged in the mounting groove and is provided with a processor and a power supply for supplying power to the processor, a temperature sensor is fixedly arranged on the outer wall of the cavity and is in communication connection with the processor, the use of the power supply and the processor can be effectively stopped due to the arrangement of the heat insulation cylinder, the temperature sensor can detect the temperature transmitted by the spiral feeding shaft, the heating temperature of the heating section is obtained, and the detection accuracy is high;
3. the plastic fiber composite pipe is produced by using the plastic fiber composite pipe production process, comprises an inner pipe and an outer pipe, and a fiber net is arranged between the inner pipe and the outer pipe, so that the pipe has flexibility while the integral strength of the plastic fiber composite pipe is enhanced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a plastic fiber composite pipe production process and equipment thereof;
FIG. 2 is a schematic diagram of a process and apparatus for producing a plastic fiber composite pipe according to the present invention;
FIG. 3 is a schematic diagram of the connection part of the spiral feeding shaft in the invention;
fig. 4 is a schematic diagram of a portion a in fig. 3 according to the present invention.
In the figure: 1. a base; 2. a first extrusion barrel; 21. a second extrusion barrel; 22. a hopper; 23. a connecting pipe; 24. an extrusion head; 25. a discharge port; 26. a bracket; 27. a motor; 28. a coupling; 29. a mounting frame; 291. a mixing blanking device; 3. a spiral feeding shaft; 31. spiral feeding leaves; 32. a butt flange; 321. a seal ring; 33. a cavity; 34. a butt joint rod; 341. a heat insulation cylinder; 342. a seal ring; 343. a processor; 344. a power supply; 35. a butt joint groove; 36. a temperature sensor; 4. a heating section; 41. an inner cavity; 42. a ceramic insulating sleeve; 43. electromagnetic induction heating coil.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In order to better understand the above technical solutions, the following detailed description will be given with reference to the accompanying drawings and the specific embodiments.
As shown in fig. 1-4, an embodiment of the present invention provides a production device for a plastic fiber composite pipe, which includes a first extrusion barrel 2 and a second extrusion barrel 21 arranged on a base 1 side by side, wherein the first extrusion barrel 2 and the second extrusion barrel 21 are respectively divided into three heating sections 4 from left to right, heating mechanisms are respectively arranged in the heating sections 4, and feeding mechanisms are arranged in the first extrusion barrel 2 and the second extrusion barrel 21.
Referring to fig. 2 and 3, the heating mechanism includes an inner cavity 41 disposed inside the casing of the first extrusion barrel 2 and the second extrusion barrel 21, a heating metal sleeve attached to the inner walls of the first extrusion barrel 2 and the second extrusion barrel 21 is disposed on the inner wall of the inner cavity 41, a ceramic insulation sleeve 42 is fixedly disposed on the outer wall of the heating metal sleeve, an electromagnetic induction heating coil 43 is wound on the ceramic insulation sleeve 42, the first extrusion barrel and the second extrusion barrel are divided into three heating sections, and electromagnetic induction heating coils are disposed in the inner cavity of each heating section, so that raw materials passing through the inside of the first extrusion barrel and the inside of the second extrusion barrel can be heated in a partitioning manner.
Referring to fig. 2, the feeding mechanism includes a spiral feeding shaft 3 rotatably disposed inside a first extrusion cylinder 2 and a second extrusion cylinder 21, the spiral feeding shaft 3 is divided into three sections by comparing with three heating sections 4 from left to right, spiral feeding blades 31 are disposed on the spiral feeding shaft 3, the outer sides of which are attached to the inner walls of the first extrusion cylinder 2 and the second extrusion cylinder 21, and the pitch of the spiral blades 31 is gradually reduced from left to right;
wherein, through set up the spiral pay-off leaf that reduces gradually from left to right clearance on spiral pay-off axle, can carry out gradual compression with the material of getting into, reject the inside air of material, it is respond well to extrude, and the feed is by the.
Referring to fig. 4, the joints between each section of spiral feeding shafts 3 are fixedly connected by a butt flange 32, and the middle parts of adjacent joints are respectively provided with a cavity 33, wherein one cavity 33 is internally and fixedly provided with a butt joint rod 34, the inner wall of the other cavity 33 is provided with a butt joint groove 35 which is in butt joint with the butt joint rod 34, the end of the butt joint rod 34 is provided with an inwards concave mounting groove, a heat insulation cylinder 341 is arranged in the mounting groove, the heat insulation cylinder 341 is provided with a processor 343 and a power supply 344 for supplying power to the processor 343, the outer wall of the cavity 33 is fixedly provided with a temperature sensor 36, and the temperature sensor 36 is in communication connection with the processor 343;
further, the processor 343 is a single chip microcomputer integrated with a wireless communication module, the single chip microcomputer is in communication connection with the temperature sensor 36 through a serial port line, the wireless communication module is in wireless communication connection with a control end of the device, the control end is a PLC (programmable logic controller) of the wireless communication module to be tested, and the PLC controls the heating power of the electromagnetic induction heating coil 43;
the spiral feeding shafts are divided into three sections, joints between each section of spiral feeding shaft are fixedly connected through a butt flange, cavities are formed in the middle parts of adjacent joints, a butt joint rod is fixedly arranged in one cavity, a butt joint groove which is in butt joint with the butt joint rod is formed in the inner wall of the other cavity, an inwards concave mounting groove is formed in the end of the butt joint rod, a heat insulation cylinder is arranged in the mounting groove and is provided with a processor and a power supply for supplying power to the processor, a temperature sensor is fixedly arranged on the outer wall of the cavity and is in communication connection with the processor, the use of the power supply and the processor can be effectively stopped due to the arrangement of the heat insulation cylinder, the temperature sensor can detect the temperature transmitted by the spiral feeding shafts, the heating temperature of the heating section is obtained, and the detection accuracy is high;
further, the inside of the butt flange 32 connected with the spiral feeding shaft 3 is provided with a sealing ring 321, a sealing ring 342 is arranged on the outer wall of the end, inserted into the butt groove 35, of the butt rod 34, the sealing ring 342 is in extrusion fit with the inner wall of the butt groove 35, the sealing ring 321 and the sealing ring 342 are high-temperature-resistant rubber rings, the sealing ring 321 and the sealing ring 342 can prevent materials from entering the cavity 33, and the effect of protecting the temperature sensor 36 is achieved.
In this embodiment, the left ends of the first extrusion barrel 2 and the second extrusion barrel 21 are provided with a hopper 22, the left ends of the first extrusion barrel 2 and the second extrusion barrel 21 are provided with a discharge port 25, the discharge port 25 is provided with an extrusion head 24, and the extrusion head 24 of the first extrusion barrel 2 is connected with the extrusion head 24 of the second extrusion barrel 21 through a connecting pipe 23.
In this embodiment, motors 27 are disposed on the base 1 at the left ends of the first extrusion barrel 2 and the second extrusion barrel 21, motor shafts of the motors 27 are connected with the screw feeding shafts 3 of the first extrusion barrel 2 and the second extrusion barrel 21 respectively through couplings, and the motors 27 are used for driving the screw feeding shafts 3 to rotate.
In this embodiment, the first extrusion barrel 2 and the second extrusion barrel 21 are fixedly mounted on the base 1 through the brackets 26, and the setting positions of the brackets 26 are respectively located at intervals of the heating section 4.
In this embodiment, a mounting frame 29 is disposed above the hopper 22 on the base 1, and a mixing discharger 291 is disposed on a cross member of the mounting frame 29.
A plastic fiber composite pipe production process comprises the following steps:
step one: raw material preparation: the composite material comprises an inner pipe raw material, an outer pipe raw material and a fiber net, wherein the inner pipe raw material comprises, by weight, 20-60 parts of bisphenol A epoxy resin, 25-30 parts of a curing agent, 20-60 parts of polyhydroxy polyether resin, 3-5 parts of a coagulant and 0.2-0.6 part of a toughening agent, and the outer pipe raw material comprises, by weight, 5-30 parts of short fibers, 10-20 parts of polyolefin grafted silane, 5-10 parts of reactive polyurethane, 0.1-10 parts of a compatilizer, 30-80 parts of polyolefin matrix resin, 5-35 parts of an elastomer tackifying resin and 0.1-2 parts of a processing anti-aging additive;
step two: manufacturing an inner tube: adding quantitative bisphenol A epoxy resin, a curing agent, polyhydroxy polyether resin, a coagulant and a toughening agent into a mixing feeder, mixing and stirring, introducing into a charging hopper, heating and extruding by a first extruding cylinder to obtain inner pipe resin, vertically injecting the inner pipe resin into a mold cavity by using a thermoplastic plastic injection molding process under the conditions of 150-400 ℃ and 10-30 MPa to prepare a sheet plastic strip, carrying out surface melting by a heater, and winding the sheet plastic strip on a pipe mold by using a winding machine to form an inner pipe;
step three: winding a web around the inner tubular layer;
step four: manufacturing an outer tube: adding quantitative short fiber, polyolefin grafted silane, reactive polyurethane, compatilizer, polyolefin matrix resin, elastomer tackifying resin and processing anti-aging auxiliary agent into a mixing feeder, mixing and stirring, introducing into a charging hopper, heating and extruding by a second extruding cylinder to obtain outer tube resin, vertically injecting the outer tube resin into a mold cavity by using a thermoplastic plastic injection molding process under the conditions of 200-400 ℃ and 15-30 MPa to prepare a sheet-shaped plastic strip, carrying out surface melting by a heater, winding the sheet-shaped plastic strip on an inner tube by a winding machine, and cooling and shaping to obtain the plastic fiber composite tube.
In the method, the short fibers are metal short fibers, the fiber net is at least one of polyester fibers, glass fibers or carbon fibers, the glass fibers are at least one of E-glass fibers, C-glass fibers, high-strength glass fibers, AR glass fibers, A glass fibers, E-CR glass fibers and D glass fibers, and the carbon fibers are at least one of polyacrylonitrile-based carbon fibers, pitch-based carbon fibers, viscose-based carbon fibers, phenolic-based carbon fibers and vapor-phase growth carbon fibers.
According to the production process of the plastic fiber composite pipe, the plastic fiber composite pipe is produced by using the production process of the plastic fiber composite pipe, the plastic fiber composite pipe comprises an inner pipe and an outer pipe, and a fiber net is arranged between the inner pipe and the outer pipe, so that the overall strength of the plastic fiber composite pipe is enhanced, and meanwhile, the pipe has flexibility.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a production facility of plastic fiber composite pipe, includes first extrusion cylinder (2) and second extrusion cylinder (21) that set up side by side on base (1), its characterized in that: the first extrusion cylinder (2) and the second extrusion cylinder (21) are respectively divided into three heating sections (4) from left to right, heating mechanisms are arranged in the heating sections (4), and feeding mechanisms are arranged in the first extrusion cylinder (2) and the second extrusion cylinder (21);
the heating mechanism comprises an inner cavity (41) arranged inside a shell of the first extrusion cylinder (2) and the second extrusion cylinder (21), a heating metal sleeve attached to the inner walls of the first extrusion cylinder (2) and the second extrusion cylinder (21) is arranged on the inner wall of the inner cavity (41), a ceramic insulating sleeve (42) is fixedly arranged on the outer wall of the heating metal sleeve, and an electromagnetic induction heating coil (43) is wound on the ceramic insulating sleeve (42);
the feeding mechanism comprises a spiral feeding shaft (3) which is arranged inside a first extrusion barrel (2) and a second extrusion barrel (21) in a rotating mode, the spiral feeding shaft (3) is divided into three sections from left to right in comparison with three heating sections (4), joints between each section of spiral feeding shaft (3) are fixedly connected through a butt joint flange (32), cavities (33) are formed in the middle of adjacent joints, a butt joint rod (34) is fixedly arranged inside one of the cavities (33), a butt joint groove (35) which is in butt joint with the butt joint rod (34) is formed in the inner wall of the other cavity (33), an inwards concave mounting groove is formed in the end of the butt joint rod (34), a heat insulation barrel (341) is arranged in the mounting groove, a processor (343) and a power supply (344) for supplying power to the processor (343) are arranged in the heat insulation barrel (341), a temperature sensor (36) is fixedly arranged on the outer wall of the cavity (33), and the temperature sensor (36) is in communication connection with the processor (343).
2. The apparatus for producing a plastic fiber composite pipe according to claim 1, wherein: the spiral feeding shaft (3) is provided with a spiral feeding blade (31) with the outer side being attached to the inner walls of the first extrusion cylinder (2) and the second extrusion cylinder (21), and the distance between the spiral blades of the spiral feeding blade (31) is gradually reduced from left to right.
3. The apparatus for producing a plastic fiber composite pipe according to claim 1, wherein: the novel extrusion device is characterized in that the left ends of the first extrusion cylinder (2) and the second extrusion cylinder (21) are respectively provided with a feeding hopper (22), the left ends of the first extrusion cylinder (2) and the second extrusion cylinder (21) are respectively provided with a discharge hole (25), the discharge holes (25) are respectively provided with an extrusion head (24), and the extrusion heads (24) of the first extrusion cylinder (2) are connected with the extrusion heads (24) of the second extrusion cylinder (21) through connecting pipes (23).
4. The apparatus for producing a plastic fiber composite pipe according to claim 1, wherein: the inner side of a butt flange (32) connected with the spiral feeding shaft (3) is provided with a sealing ring (321), a butt rod (34) is inserted into the outer wall of the end of a butt groove (35) and is provided with a sealing ring (342), the sealing ring (342) is extruded and attached to the inner wall of the butt groove (35), and the sealing ring (321) and the sealing ring (342) are high-temperature-resistant rubber rings.
5. The apparatus for producing a plastic fiber composite pipe according to claim 1, wherein: the base (1) is provided with motors (27) at the left ends of the first extrusion cylinder (2) and the second extrusion cylinder (21), and motor shafts of the motors (27) are connected with spiral feeding shafts (3) of the first extrusion cylinder (2) and the second extrusion cylinder (21) through couplings respectively.
6. The apparatus for producing a plastic fiber composite pipe according to claim 1, wherein: the first extruding cylinder (2) and the second extruding cylinder (21) are fixedly arranged on the base (1) through the support (26), and the arrangement positions of the support (26) are respectively located at the intervals of the heating sections (4).
7. The apparatus for producing a plastic fiber composite pipe according to claim 1, wherein: the base (1) is provided with a mounting frame (29) above the charging hopper (22), and a cross beam of the mounting frame (29) is provided with a mixing feeder (291).
8. A process for producing a plastic fiber composite pipe based on the production equipment of the plastic fiber composite pipe according to claims 1-7, which is characterized in that: the method comprises the following steps:
step one: raw material preparation: the composite material comprises an inner pipe raw material, an outer pipe raw material and a fiber net, wherein the inner pipe raw material comprises, by weight, 20-60 parts of bisphenol A epoxy resin, 25-30 parts of a curing agent, 20-60 parts of polyhydroxy polyether resin, 3-5 parts of a coagulant and 0.2-0.6 part of a toughening agent, and the outer pipe raw material comprises, by weight, 5-30 parts of short fibers, 10-20 parts of polyolefin grafted silane, 5-10 parts of reactive polyurethane, 0.1-10 parts of a compatilizer, 30-80 parts of polyolefin matrix resin, 5-35 parts of an elastomer tackifying resin and 0.1-2 parts of a processing anti-aging additive;
step two: manufacturing an inner tube: adding quantitative bisphenol A epoxy resin, a curing agent, polyhydroxy polyether resin, a coagulant and a toughening agent into a mixing feeder, mixing and stirring, introducing into a charging hopper, heating and extruding by a first extruding cylinder to obtain inner pipe resin, vertically injecting the inner pipe resin into a mold cavity by using a thermoplastic plastic injection molding process under the conditions of 150-400 ℃ and 10-30 MPa to prepare a sheet plastic strip, carrying out surface melting by a heater, and winding the sheet plastic strip on a pipe mold by using a winding machine to form an inner pipe;
step three: winding a web around the inner tubular layer;
step four: manufacturing an outer tube: adding quantitative short fiber, polyolefin grafted silane, reactive polyurethane, compatilizer, polyolefin matrix resin, elastomer tackifying resin and processing anti-aging auxiliary agent into a mixing feeder, mixing and stirring, introducing into a charging hopper, heating and extruding by a second extruding cylinder to obtain outer tube resin, vertically injecting the outer tube resin into a mold cavity by using a thermoplastic plastic injection molding process under the conditions of 200-400 ℃ and 15-30 MPa to prepare a sheet-shaped plastic strip, carrying out surface melting by a heater, winding the sheet-shaped plastic strip on an inner tube by a winding machine, and cooling and shaping to obtain the plastic fiber composite tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310339390.4A CN116423865A (en) | 2023-04-03 | 2023-04-03 | Production process and equipment for plastic fiber composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310339390.4A CN116423865A (en) | 2023-04-03 | 2023-04-03 | Production process and equipment for plastic fiber composite pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116423865A true CN116423865A (en) | 2023-07-14 |
Family
ID=87093787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310339390.4A Pending CN116423865A (en) | 2023-04-03 | 2023-04-03 | Production process and equipment for plastic fiber composite pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116423865A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117341170A (en) * | 2023-12-04 | 2024-01-05 | 江苏塑之源机械制造有限公司 | Plastic extruder cooling mechanism and extrusion device |
-
2023
- 2023-04-03 CN CN202310339390.4A patent/CN116423865A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117341170A (en) * | 2023-12-04 | 2024-01-05 | 江苏塑之源机械制造有限公司 | Plastic extruder cooling mechanism and extrusion device |
| CN117341170B (en) * | 2023-12-04 | 2024-02-23 | 江苏塑之源机械制造有限公司 | Plastic extruder cooling mechanism and extrusion device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116423865A (en) | Production process and equipment for plastic fiber composite pipe | |
| CN110805754B (en) | High-rigidity antistatic hollow wall winding pipe and processing technology thereof | |
| CN110760146A (en) | High strength CPVC high voltage electricity protecting pipe | |
| CN112848197A (en) | Rubber tube extrusion device and method | |
| KR20150024538A (en) | manufacturing device of cable duct | |
| CN111016111A (en) | PEEK thick-wall pipe extrusion production process and device | |
| CN103341961B (en) | A kind of hot melt material extrusion device | |
| CN102179913B (en) | Automated continuous production method of glass fiber reinforced nylon 66 heat-insulation strip for building | |
| CN101699119A (en) | Ultra high molecular weight polyethylene and polyvinyl chloride composite pipe embedded with reinforced steel filaments and manufacturing method thereof | |
| CN107283867A (en) | Prepreg tape winding structure pipe and preparation method thereof | |
| CN111089212B (en) | Short fiber reinforced plastic electric melting pipe fitting with optimized injection position and injection mold thereof | |
| CN212124258U (en) | Continuous fiber winding reinforced composite pipe and production device thereof | |
| CN104760261A (en) | Preparation process of PE (Poly Ethylene) ultra-large-diameter thin-wall pipe material | |
| CN105109055B (en) | A kind of polymer pipeline jet flow piles up shaped device | |
| CN114474643A (en) | Production equipment and process of ultrathin high-polymer pipe | |
| CN111457167A (en) | Thermoplastic prepreg coiled pipe reinforced composite pipe and manufacturing method and manufacturing equipment thereof | |
| CN112917901B (en) | Pre-impregnated continuous fiber twin-screw extrusion type additive manufacturing printing nozzle | |
| CN110103490B (en) | Fiber preheating device for pultrusion composite material product and pultrusion preheating method thereof | |
| CN106079500B (en) | Production process of pipe | |
| CN113829641A (en) | Preparation device and method of continuous fiber reinforced thermoplastic resin composite material spiral rib | |
| CN111590856A (en) | Method for manufacturing rubber adhesive rubber tube | |
| CN111231385A (en) | Preparation process of multilayer steel wire winding modified polyethylene composite pipe | |
| CN106608034A (en) | Continuous fiber bundle multi-layer co-extrusion head die | |
| CN219294651U (en) | Special anti-solidification screw head for BMC injection molding machine | |
| CN215943283U (en) | Heating reamer for producing light wall board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |