CN111590931A - Continuously-woven and wound pultruded glass fiber reinforced plastic composite pipe, production method and production line - Google Patents
Continuously-woven and wound pultruded glass fiber reinforced plastic composite pipe, production method and production line Download PDFInfo
- Publication number
- CN111590931A CN111590931A CN202010480293.3A CN202010480293A CN111590931A CN 111590931 A CN111590931 A CN 111590931A CN 202010480293 A CN202010480293 A CN 202010480293A CN 111590931 A CN111590931 A CN 111590931A
- Authority
- CN
- China
- Prior art keywords
- column
- core mold
- pipe core
- mold body
- glass fiber
- 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
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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/523—Pultrusion, i.e. forming and compressing by continuously pulling through a die and impregnating the reinforcement in the die
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/16—Cutting rods or tubes transversely
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D7/02—Means for holding or positioning work with clamping means
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/525—Component parts, details or accessories; Auxiliary operations
-
- 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D2007/013—Means for holding or positioning work the work being tubes, rods or logs
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Composite Materials (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a continuous weaving and winding pultrusion glass fiber reinforced plastic composite pipe, a production method and a production line, wherein an impregnating cavity, a rotary drum, a mixing drum, a flow guide column and a flow guide ring are arranged to be matched for use, resin in the impregnating cavity can be uniformly poured on the outer surface of a pipe core mold body, and resin falling from the pipe core mold body can be recovered through a hopper, so that the problems of poor effect and easy waste of the resin in the working process caused by non-uniform gluing of the pipe core mold body in the existing scheme are solved; the upper clamping seat, the lower clamping seat, the fixed clamping plate and the cutting rotary cutter are matched for use, so that the problems of poor stability of fixing of the tubular core mold body and low cutting efficiency in the existing scheme are solved; the fiber winding displacement device, the special traction head, the heating device, the curing oven, the hydraulic tractor, the fixed-length cutting device body, the glue injection and dipping device body and the pipe core mould body are matched for use, and the defects that the traditional glass steel pipe cannot be continuously produced and is low in production efficiency are overcome.
Description
Technical Field
The invention relates to the technical field of glass fiber reinforced plastic composite pipe production, in particular to a continuously woven and wound pultruded glass fiber reinforced plastic composite pipe, a production method and a production line.
Background
The glass fiber reinforced plastic composite pipe is a light, high-strength and corrosion-resistant non-metallic pipeline, and is characterized by that the glass fiber with resin matrix weight can be wound on the rotating core mould layer by layer according to the technological requirements, and its pipe wall structure is reasonable and advanced, and can fully play the role of material, and under the premise of meeting the use strength, the rigidity is raised, and the stability and reliability of product are ensured.
The existing glass fiber reinforced plastic composite pipe has certain defects in production: the pipe core die cannot be conveniently and quickly transferred and processed in the processing process of the glass fiber reinforced plastic composite pipe, and more manpower and material resources are required to be consumed to process the transfer of the pipe core die, so that the processing efficiency and quality of the pipe core die are influenced; the pipe core mold can not be subjected to uniform glue injection and dipping work efficiently and quickly, so that the gluing effect of the pipe core mold is poor; and the pipe core die can not be stably and quickly cut, so that the cutting and forming effect of the pipe core die is poor.
Disclosure of Invention
The invention aims to provide a continuous weaving and winding pultrusion glass fiber reinforced plastic composite pipe, a production method and a production line, and solves the technical problems that:
on one aspect disclosed by the embodiment of the invention, through the matched use of the arranged glue dipping cavity, the rotary drum, the mixing drum, the flow guide column and the flow guide ring, the resin in the glue dipping cavity can be uniformly poured on the outer surface of the pipe core mold body, the rotation of the rotary drum and the rotary column drives the rotation of the mixing drum, through the matched use of the mixing column, the first flow guide column, the second flow guide column and the flow guide ring, the resin in the glue dipping cavity can be uniformly poured on the outer surface of the pipe core mold body, the resin falling from the pipe core mold body can be recovered through the hopper, the glue coating effect and the utilization rate of the pipe core mold body can be effectively improved, and the problems of poor effect and easy waste of the resin in the work caused by the non-uniform glue coating of the pipe core mold body in the existing scheme are solved;
on the other hand, the upper clamping seat, the lower clamping seat, the fixed clamping plate and the cutting rotary cutter are matched for use, the pipe core mould body can be fixed and cut, the stability of the fixing of the pipe core mould body and the cutting efficiency can be effectively improved, the pipe core mould body is clamped and fixed through the upper clamping seat and the lower clamping seat, and through the movement of the first hydraulic column and the second hydraulic column, can effectively improve the stability of fixing the pipe core mould body, can move the cutting rotary cutter up and down through the matching use of the first lifting column, the second lifting column, the third hydraulic column and the fourth hydraulic column, the fixed pipe core mold body is quickly cut, the fixing and cutting device of the pipe core mold body can be integrally carried out, and the problems of poor fixing stability and low cutting efficiency of the pipe core mold body in the existing scheme are solved;
in other aspects disclosed by the embodiment of the invention, the fiber arranging device, the special traction head, the heating device, the curing oven, the hydraulic tractor, the fixed-length cutting device body, the glue injecting and dipping device body and the pipe core mold body are matched for use, so that the processing and production efficiency of the glass reinforced plastic pipe can be effectively improved, the glass reinforced plastic pipe does not need to be transported manually, the glass reinforced plastic pipe needs to be produced and processed intermittently, and the defects that the traditional glass reinforced plastic pipe cannot be produced continuously and is low in production efficiency are overcome.
The purpose of the invention can be realized by the following technical scheme:
the continuously-woven and wound pultruded glass fiber reinforced plastic composite pipe is characterized by comprising the following components in parts by weight: 75-85 parts of epoxy resin, 85-105 parts of polypropylene, 7-12 parts of curing agent, 8-15 parts of glass fiber, 8-15 parts of inorganic filler, 2-4 parts of lubricant, 3-6 parts of coupling agent and 50-70 parts of polysulfide rubber;
the glass fiber reinforced plastic composite pipe is prepared by the following steps:
the method comprises the following steps: weighing the components of the glass fiber reinforced plastic composite pipe according to the parts by weight;
step two: placing epoxy resin, polypropylene, a curing agent, glass fiber, a modifier, an inorganic filler, a lubricant, a coupling agent and polysulfide rubber into preheating equipment for preheating, and placing the preheated mixture into a high-speed mixer for stirring and mixing to obtain a uniform mixed material;
step three: adding the mixed material into an extruder, extruding the mixed material by the extruder, and then carrying out compression molding to obtain a pipe core mold body;
step four: and (4) processing the pipe core mold body on a production line to obtain the glass fiber reinforced plastic composite pipe.
Further, the curing agent is polyamide; the inorganic filler is a mixture composed of one or more than one of lime powder, silicon dioxide, talcum powder and wollastonite according to any proportion; the glass fiber is alkali-free glass fiber; the lubricant is vinyl bis stearamide; the coupling agent is aminopropyl triethoxysilane.
A production line for continuously weaving and winding a pultruded glass fiber reinforced plastic composite pipe comprises a fiber arranging device, a special traction head, a heating device, a curing oven, a hydraulic tractor, a fixed-length cutting device body, an adhesive injection and dipping device body and a pipe core mold body, wherein the fixed-length cutting device body is positioned on one side of the adhesive injection and dipping device body, the pipe core mold body penetrates through the fixed-length cutting device body, the pipe core mold body is positioned at the upper end of the adhesive injection and dipping device body, an upper clamping seat and a lower clamping seat are fixedly arranged inside the fixed-length cutting device body, the upper clamping seat is positioned above the lower clamping seat, a first hydraulic column and a second hydraulic column penetrate through the position, close to the upper part, inside the fixed-length cutting device body, the first hydraulic column is positioned on one side of the second hydraulic column, and the lower ends of the first hydraulic column and the second hydraulic column are fixedly connected with the upper end of the upper clamping seat, the cutting device comprises a fixed-length cutting device body, a hydraulic cylinder, a cutting top seat, a cutting seat, a first lifting column, a second lifting column, a fixed clamping plate, an isolation column, a driving column and a cutting rotary cutter, wherein the hydraulic cylinder is fixedly mounted at the upper end of the fixed-length cutting device body, the cutting top seat and the cutting seat are fixedly mounted on one side of the fixed-length cutting device body, the cutting top seat is positioned above the cutting seat, the third hydraulic column and the fourth hydraulic column are fixedly mounted on the outer surface of the cutting top seat, the third hydraulic column is positioned on one side of the fourth hydraulic column, the first lifting column is slidably connected inside the third hydraulic column, the second lifting column is slidably connected inside the fourth hydraulic column, the fixed clamping plate is fixedly connected below the cutting top seat, the isolation column is fixedly mounted on the inner;
the pipe core mold comprises a pipe core mold body, a guide ring, a fixing ring, a mixing drum and a rotary drum, wherein a glue dipping cavity is arranged inside the glue injecting and dipping device body, a hopper is fixedly arranged on one side of the glue injecting and dipping device body, the upper end of the glue injecting and dipping device body is connected with the pipe core mold body in a sliding mode, the outer surface of the pipe core mold body is rotatably connected with the guide ring, the fixing ring is fixedly arranged on the outer surface of the guide ring, the outer portion of the fixing ring is rotatably connected with the mixing drum.
Further, a plurality of second flow guide columns fixedly connected between the mixing drum and the fixing ring, a connecting ring is fixedly mounted on one side of the mixing drum, a plurality of mixing columns and a plurality of first flow guide columns fixedly connected between the mixing columns and the mixing drum are inlaid in the connecting ring, a plurality of rotating columns fixedly connected between the mixing drum and the rotating drum are arranged, a plurality of supporting columns are fixedly mounted at the lower end of the glue injecting and dipping device body, a containing seat is fixedly mounted at the rear end of the cutting seat, and a containing plate is fixedly mounted at the lower end of the containing seat.
Furthermore, the position that the inside of first lift post is close to the below has run through first fixed disk, the position that the inside of second lift post is close to the below has run through the second fixed disk, fixed splint pass through first fixed disk and second fixed disk respectively with first lift post and second lift post fixed connection.
Furthermore, the lower surface of the upper clamping seat is provided with an upper clamping groove, the upper surface of the lower clamping seat is provided with a lower clamping groove, and the upper end of the upper clamping seat is inlaid with a lantern ring.
Further, the inside fixed mounting of cutting seat has first guide rail and second guide rail, first guide rail is located one side of second guide rail, the inside of cutting seat is provided with cuts cut groove, should cut the position that cut groove is located between first guide rail and the second guide rail, the fixed surface fixed mounting of solid fixed splint has a driving motor, and this driving motor passes through the drive column and rotates with the cutting rotary cutter to be connected.
Further, the inside fixed mounting that is close to one side of rotary drum has the drive spliced pole, one side that the rotary drum kept away from the rotary column is provided with second driving motor, the rotary drum passes through the drive spliced pole and is connected with second driving motor rotation, the inside in soakage chamber is provided with the resin, and this resin splices through the surface of stirring post, first water conservancy diversion post, second water conservancy diversion post and water conservancy diversion ring with the tubular product mandrel body.
Further, the fiber arranging device is used for arranging and combining yarns on the outer surface of the pipe core mold body; the special traction head is used for traction of the pipe core mould body; the heating device is used for heating the yarn layer and the resin on the outer surface of the pipe core mold body; the curing oven is used for carrying out setting curing on the pipe core mold body, and the hydraulic tractor is used for providing traction force for the special traction head and the pipe core mold body connected with the special traction head and driving the pipe core mold body to move forwards.
A production method for continuously weaving, winding and pulling a glass fiber reinforced plastic composite pipe comprises the following specific steps:
the method comprises the following steps: the method comprises the following steps of performing wire arrangement combination on yarns on the outer surface of a pipe core mold body by using a fiber wire arrangement device to obtain a yarn layer, providing traction force for a special traction head and the pipe core mold body connected with the special traction head by using a hydraulic tractor, and driving the pipe core mold body to move forwards;
step two: the stirring cylinder is driven to rotate in the impregnation cavity by the rotation of the rotary cylinder, and the resin is rotationally cast on the outer surface of the pipe core mold body by the flow guide of the stirring column, the first flow guide column, the second flow guide column and the flow guide ring;
step three: heating the yarn layer and the resin on the outer surface of the pipe core mold body by using a heating device, and shaping and curing the pipe core mold body by using a curing oven after heating;
step four: moving the shaped and cured pipe core mold body between two groups of fixed-length cutting device bodies, utilizing a first hydraulic column and a second hydraulic column to move an upper clamping seat downwards, clamping the pipe core mold body through an upper clamping groove and a lower clamping groove, and fixing the pipe core mold body through the upper clamping seat and the lower clamping seat;
step five: the first lifting column, the second lifting column and the fixed clamp plate are moved downwards by the third hydraulic column and the fourth hydraulic column, the cutting rotary cutter is rotated by the first driving motor and the driving column, the pipe core die body is cut by the fixed clamp plate and the cutting rotary cutter which move downwards to obtain the glass fiber reinforced plastic composite pipe, and the glass fiber reinforced plastic composite pipe is separated from the fixed-length cutting device body by the hydraulic tractor.
The invention has the beneficial effects that:
the continuously woven and wound glass fiber reinforced plastic composite pipe disclosed by the embodiment of the invention can effectively improve the smoothness and tensile strength of the glass fiber reinforced plastic composite pipe, so that the roughness coefficient of the glass fiber reinforced plastic composite pipe is between 0.008 and 0.0088, and the smoothness of the glass fiber reinforced plastic composite pipe is high; applying an annular tensile test to the glass fiber reinforced plastic composite pipe to ensure that the annular tensile strength of the glass fiber reinforced plastic composite pipe is between 180 and 300 MPa;
on one aspect disclosed by the embodiment of the invention, the resin in the glue dipping cavity can be uniformly poured on the outer surface of the pipe core mold body by matching the arranged glue dipping cavity, the rotary drum, the mixing drum, the flow guide column and the flow guide ring, the rotation of the mixing drum is driven by the rotation of the rotary drum and the rotary column, the resin in the glue dipping cavity can be uniformly poured on the outer surface of the pipe core mold body by matching the mixing column, the first flow guide column, the second flow guide column and the flow guide ring, and the resin falling from the pipe core mold body can be recovered by the hopper, so that the glue spreading effect and the utilization rate of the pipe core mold body can be effectively improved;
on the other hand, the pipe core mold body can be fixed and cut through the matching use of the upper holder, the lower holder, the fixing clamp plate and the cutting rotary cutter, so that the fixing stability and the cutting efficiency of the pipe core mold body can be effectively improved;
in other aspects disclosed by the embodiment of the invention, the fiber arranging device, the special traction head, the heating device, the curing oven, the hydraulic tractor, the fixed-length cutting device body, the glue injecting and dipping device body and the pipe core mold body are matched for use, so that the processing and production efficiency of the glass reinforced plastic pipe can be effectively improved, the glass reinforced plastic pipe does not need to be transported manually, the glass reinforced plastic pipe needs to be produced and processed intermittently, and the defects that the traditional glass reinforced plastic pipe cannot be produced continuously and is low in production efficiency are overcome.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a flow chart of the production process of a continuously woven and wound pultruded glass fiber reinforced plastic composite pipe according to the present invention;
FIG. 2 is a view showing the construction of the fixed length cutting apparatus body according to the present invention;
fig. 3 is a structural view of the internal connection of the fixed length cutting device body according to the present invention;
FIG. 4 is a connection structure diagram of the glue injecting and dipping device body according to the present invention;
FIG. 5 is a view showing a connection structure of the cutting tip and the fixing clip according to the present invention;
FIG. 6 is a view showing a connection structure of a fixing clamp plate and a cutting rotary blade according to the present invention;
fig. 7 is a connection structure view of the fixing ring and the pipe core mold body in the present invention.
In the figure: 1. a fixed-length cutting device body; 101. an upper clamping seat; 102. a lower clamping seat; 103. a first hydraulic column; 104. a hydraulic cylinder; 105. a second hydraulic column; 106. fixing the clamping plate; 107. cutting the rotary cutter; 108. a drive column; 109. a collar; 110. a cutting seat; 111. a storage seat; 112. a storage plate; 113. an upper clamping groove; 114. a lower clamping groove; 115. cutting the top seat; 116. a third hydraulic column; 117. a fourth hydraulic column; 118. a first lifting column; 119. a second lifting column; 120. a first fixed disk; 121. a second fixed disk; 122. a first guide rail; 123. a second guide rail; 124. an isolation column; 2. a glue injecting and dipping device body; 201. a glue dipping cavity; 202. a hopper; 203. a pillar; 3. a pipe core mold body; 4. a mixing drum; 5. a connecting ring; 6. a stirring column; 7. a first flow guiding column; 8. a rotating drum; 9. turning the column; 10. a second flow guiding column; 11. a fixing ring; 12. and a flow guide ring.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-7, a continuously woven and wound pultruded glass fiber reinforced plastic composite pipe comprises the following components in parts by weight: 75 parts of epoxy resin, 85 parts of polypropylene, 8 parts of curing agent, 9 parts of glass fiber, 9 parts of inorganic filler, 3 parts of lubricant, 4 parts of coupling agent and 50 parts of polysulfide rubber;
the glass fiber reinforced plastic composite pipe is prepared by the following steps:
the method comprises the following steps: weighing the components of the glass fiber reinforced plastic composite pipe according to the parts by weight;
step two: placing epoxy resin, polypropylene, a curing agent, glass fiber, a modifier, an inorganic filler, a lubricant, a coupling agent and polysulfide rubber into preheating equipment for preheating, and placing the preheated mixture into a high-speed mixer for stirring and mixing to obtain a uniform mixed material;
step three: adding the mixed material into an extruder, extruding the mixed material by the extruder, and then carrying out compression molding to obtain a pipe core mold body 3;
step four: and (3) processing the pipe core mold body 3 on a production line to obtain the glass fiber reinforced plastic composite pipe.
The curing agent is polyamide; the inorganic filler is a mixture composed of one or more than one of lime powder, silicon dioxide, talcum powder and wollastonite according to any proportion; the glass fiber is alkali-free glass fiber; the lubricant is vinyl bis stearamide; the coupling agent is aminopropyl triethoxysilane.
When the continuously woven and wound pultruded glass fiber reinforced plastic composite pipe of example 1 was tested, the roughness factor of the glass fiber reinforced plastic composite pipe was 0.0083, and the hoop tensile strength of the glass fiber reinforced plastic composite pipe was 215 MPa.
Example 2
As shown in fig. 1-7, a continuously woven and wound pultruded glass fiber reinforced plastic composite pipe comprises the following components in parts by weight: 85 parts of epoxy resin, 100 parts of polypropylene, 11 parts of curing agent, 11 parts of glass fiber, 14 parts of inorganic filler, 4 parts of lubricant, 5 parts of coupling agent and 70 parts of polysulfide rubber;
the glass fiber reinforced plastic composite pipe is prepared by the following steps:
the method comprises the following steps: weighing the components of the glass fiber reinforced plastic composite pipe according to the parts by weight;
step two: placing epoxy resin, polypropylene, a curing agent, glass fiber, a modifier, an inorganic filler, a lubricant, a coupling agent and polysulfide rubber into preheating equipment for preheating, and placing the preheated mixture into a high-speed mixer for stirring and mixing to obtain a uniform mixed material;
step three: adding the mixed material into an extruder, extruding the mixed material by the extruder, and then carrying out compression molding to obtain a pipe core mold body 3;
step four: and (3) processing the pipe core mold body 3 on a production line to obtain the glass fiber reinforced plastic composite pipe.
The curing agent is polyamide; the inorganic filler is a mixture composed of one or more than one of lime powder, silicon dioxide, talcum powder and wollastonite according to any proportion; the glass fiber is alkali-free glass fiber; the lubricant is vinyl bis stearamide; the coupling agent is aminopropyl triethoxysilane.
When the continuously woven and wound pultruded glass fiber reinforced plastic composite pipe of example 2 was tested, the roughness factor of the glass fiber reinforced plastic composite pipe was 0.0086, and the hoop tensile strength of the glass fiber reinforced plastic composite pipe was 275 MPa.
A production line for continuously weaving and winding a pultruded glass fiber reinforced plastic composite pipe comprises a fiber arranging device, a special traction head, a heating device, a curing oven, a hydraulic tractor, a fixed-length cutting device body 1, an injection and impregnation device body 2 and a pipe core mold body 3, wherein the fixed-length cutting device body 1 is positioned on one side of the injection and impregnation device body 2, the pipe core mold body 3 penetrates through the fixed-length cutting device body 1, the pipe core mold body 3 is positioned at the upper end of the injection and impregnation device body 2, an upper clamp 101 and a lower clamp 102 are fixedly arranged in the fixed-length cutting device body 1, the upper clamp 101 is positioned above the lower clamp 102, a first hydraulic column 103 and a second hydraulic column 105 penetrate through the position, close to the upper part, in the fixed-length cutting device body 1, the first hydraulic column 103 is positioned on one side of the second hydraulic column 105, the lower ends of the first hydraulic column 103 and the second hydraulic column 105 are fixedly connected with the upper end of the upper clamping seat 101, the upper end of the fixed-length cutting device body 1 is fixedly provided with a hydraulic cylinder 104, one side of the fixed-length cutting device body 1 is fixedly provided with a cutting top seat 115 and a cutting seat 110, the cutting top seat 115 is positioned above the cutting seat 110, the outer surface of the cutting top seat 115 is fixedly provided with a third hydraulic column 116 and a fourth hydraulic column 117, the third hydraulic column 116 is positioned at one side of the fourth hydraulic column 117, the inside of the third hydraulic column 116 is slidably connected with a first lifting column 118, the inside of the fourth hydraulic column 117 is slidably connected with a second lifting column 119, the lower part of the cutting top seat 115 is fixedly connected with a fixed clamping plate 106, the inner surface of the fixed clamping plate 106 is fixedly provided with an isolation column 124, and the inside of the isolation column 124 is rotatably connected with a driving column 108, one end of the driving column 108 is fixedly connected with a cutting rotary knife 107;
the inside of injecting glue dipping device body 2 is provided with the dipping glue chamber 201, one side fixed mounting of injecting glue dipping device body 2 has hopper 202, the upper end sliding connection of injecting glue dipping device body 2 has tubular product mandrel body 3, the surface of tubular product mandrel body 3 rotates and is connected with water conservancy diversion ring 12, the surface fixed mounting of water conservancy diversion ring 12 has solid fixed ring 11, gu fixed ring 11's outside rotates and is connected with churn 4, one side of churn 4 rotates and is connected with rotary drum 8.
Fixedly connected with a plurality of second water conservancy diversion post 10 between churn 4 and the solid fixed ring 11, one side fixed mounting of churn 4 has go-between 5, the inside of go-between 5 is inlayed and is had a plurality of stirring post 6, a plurality of the first water conservancy diversion post 7 of fixedly connected with a plurality of between stirring post 6 and the churn 4, a plurality of rotary column 9 of fixedly connected with between churn 4 and the rotary drum 8, the lower extreme fixed mounting of injecting glue gumming device body 2 has a plurality of pillar 203, the rear end fixed mounting of cutting seat 110 has storage seat 111, the lower extreme fixed mounting of storage seat 111 has storage plate 112.
A first fixing plate 120 penetrates through a position, close to the lower part, inside the first lifting column 118, a second fixing plate 121 penetrates through a position, close to the lower part, inside the second lifting column 119, and the fixing clamp plate 106 is fixedly connected with the first lifting column 118 and the second lifting column 119 through the first fixing plate 120 and the second fixing plate 121 respectively.
An upper clamping groove 113 is formed in the lower surface of the upper clamping base 101, a lower clamping groove 114 is formed in the upper surface of the lower clamping base 102, and a lantern ring 109 is inlaid in the upper end of the upper clamping base 101.
The inside fixed mounting of cutting seat 110 has first guide rail 122 and second guide rail 123, first guide rail 122 is located one side of second guide rail 123, the inside of cutting seat 110 is provided with cuts the cut groove, should cut the position that the cut groove is located between first guide rail 122 and the second guide rail 123, the fixed surface fixed mounting of fixed splint 106 has a driving motor, and this driving motor passes through drive column 108 and is connected with cutting rotary cutter 107 rotation.
The inside of rotary drum 8 is close to the position fixed mounting of one side and has the drive spliced pole, one side that rotary drum 8 kept away from rotary column 9 is provided with second driving motor, rotary drum 8 passes through the drive spliced pole and is connected with second driving motor rotation, the inside of gum dipping chamber 201 is provided with the resin, and this resin is glued with the surface of tubular product mandrel body 3 through stirring post 6, first water conservancy diversion post 7, second water conservancy diversion post 10 and water conservancy diversion ring 12.
The fiber arranging device is used for arranging and combining yarns on the outer surface of the pipe core mold body 3; the special traction head is used for traction of the pipe core mold body 3; the heating device is used for heating the yarn layer and the resin on the outer surface of the pipe core mold body 3; the curing oven is used for carrying out setting and curing on the pipe core mold body 3, and the hydraulic tractor is used for providing traction force for the special traction head and the pipe core mold body 3 connected with the special traction head and driving the pipe core mold body 3 to move forwards.
The production method of the glass fiber reinforced plastic composite pipe comprises the following specific steps:
the method comprises the following steps: arranging yarns on the outer surface of the pipe core mold body 3 by using a fiber arranging device to form a yarn layer, providing traction force for a special traction head and the pipe core mold body 3 connected with the special traction head by using a hydraulic tractor, and driving the pipe core mold body 3 to move forwards;
step two: the stirring cylinder 4 is driven to rotate in the dipping cavity 201 by the rotation of the rotary cylinder 8, and the resin is rotationally poured on the outer surface of the pipe core mold body 3 by the diversion of the stirring column 6, the first diversion column 7, the second diversion column 10 and the diversion ring 12;
step three: heating the yarn layer and the resin on the outer surface of the pipe core mold body 3 by using a heating device, and shaping and curing the pipe core mold body 3 by using a curing oven after heating;
step four: moving the pipe core mold body 3 after being shaped and cured to a position between two groups of fixed length cutting device bodies 1, utilizing a first hydraulic column 103 and a second hydraulic column 105 to move an upper clamping seat 101 downwards, clamping the pipe core mold body 3 through an upper clamping groove 113 and a lower clamping groove 114, and fixing the pipe core mold body 3 through the upper clamping seat 101 and the lower clamping seat 102;
step five: the first lifting column 118, the second lifting column 119 and the fixed clamp 106 are moved downwards by the third hydraulic column 116 and the fourth hydraulic column 117, the cutting rotary cutter 107 is rotated by the first driving motor and the driving column 108, the pipe core die body 3 is cut by the fixed clamp 106 and the cutting rotary cutter 107 which are moved downwards to obtain the glass fiber reinforced plastic composite pipe, and the glass fiber reinforced plastic composite pipe is separated from the fixed-length cutting device body 1 by the hydraulic tractor.
The working principle of the invention is as follows: through the matching use of the arranged glue dipping cavity 201, the rotary drum 8, the mixing drum 4, the flow guide column and the flow guide ring 12, the resin in the glue dipping cavity 201 can be uniformly poured on the outer surface of the pipe core mold body 3, the rotation of the rotary drum 8 and the rotary drum 9 drives the mixing drum 4 to rotate, through the matching use of the mixing column 6, the first flow guide column 7, the second flow guide column 10 and the flow guide ring 12, the resin can be uniformly poured on the outer surface of the pipe core mold body 3 from the glue dipping cavity 201, the resin falling from the pipe core mold body 3 can be recovered through the hopper 202, the glue coating effect and the utilization rate of the pipe core mold body 3 can be effectively improved, and the problems of poor effect and easy waste of the resin during the work caused by the non-uniform glue coating of the pipe core mold body 3 in the existing scheme are solved; a first driving motor is fixedly installed on the outer surface of the fixed clamp plate 106 and is rotationally connected with a cutting rotary cutter 107 through a driving column 108, a driving connecting column is fixedly installed at a position close to one side inside the rotary drum 8, a second driving motor is arranged at one side of the rotary drum 8 far away from the rotary column 9, the rotary drum 8 is rotationally connected with the second driving motor through the driving connecting column, and the models of the first driving motor and the second driving motor can be YB 3-112M-4;
through the matched use of the upper clamping seat 101, the lower clamping seat 102, the fixed clamping plate 106 and the cutting rotary knife 107, the pipe core mold body 3 can be fixed and cut, the stability of the fixing of the pipe core mold body 3 and the cutting efficiency can be effectively improved, the pipe core mold body 3 is engaged and fixed by the upper and lower clamp holders 101 and 102, and by the movement of the first and second hydraulic cylinders 103 and 105, the stability of fixing the pipe core mold body 3 can be effectively improved, the cutting rotary cutter 107 can be moved up and down by the cooperation of the first lifting column 118, the second lifting column 119, the third hydraulic column 116 and the fourth hydraulic column 117, the fixed pipe core mold body 3 is quickly cut, the fixing and cutting devices of the pipe core mold body 3 can be integrally carried out, and the problems of poor fixing stability and low cutting efficiency of the pipe core mold body 3 in the existing scheme are solved;
through the fibre winding displacement device that sets up, special traction head, heating device, the solidification oven, hydraulic tractor, fixed length cutting device body 1, injecting glue gumming device body 2, the cooperation of tubular product mandrel body 3 is used, can effectively improve the processing of glass steel pipe and the efficiency of production, need not to transport glass steel pipe through the manual work and need intermittent production processing with glass steel pipe, the defect that traditional glass steel pipe can not continuous production, production efficiency is low has been solved, fixed mounting has the heat pump in the heating device, the model of heat pump can be XP03 DCs.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The continuously-woven and wound pultruded glass fiber reinforced plastic composite pipe is characterized by comprising the following components in parts by weight: 75-85 parts of epoxy resin, 85-105 parts of polypropylene, 7-12 parts of curing agent, 8-15 parts of glass fiber, 8-15 parts of inorganic filler, 2-4 parts of lubricant, 3-6 parts of coupling agent and 50-70 parts of polysulfide rubber;
the glass fiber reinforced plastic composite pipe is prepared by the following steps:
the method comprises the following steps: weighing the components of the glass fiber reinforced plastic composite pipe according to the parts by weight;
step two: placing epoxy resin, polypropylene, a curing agent, glass fiber, a modifier, an inorganic filler, a lubricant, a coupling agent and polysulfide rubber into preheating equipment for preheating, and placing the preheated mixture into a high-speed mixer for stirring and mixing to obtain a uniform mixed material;
step three: adding the mixed material into an extruder, extruding the mixed material by the extruder, and then carrying out compression molding to obtain a pipe core mold body (3);
step four: and (3) processing the pipe core mold body (3) on a production line to obtain the glass fiber reinforced plastic composite pipe.
2. The continuous braided wound pultruded glass fiber reinforced plastic composite tube according to claim 1, wherein said curing agent is polyamide; the inorganic filler is a mixture composed of one or more than one of lime powder, silicon dioxide, talcum powder and wollastonite according to any proportion; the glass fiber is alkali-free glass fiber; the lubricant is vinyl bis stearamide; the coupling agent is aminopropyl triethoxysilane.
3. A production line for continuously weaving and winding a pultruded glass fiber reinforced plastic composite pipe is characterized by comprising a fiber arranging device, a special traction head, a heating device, a curing oven, a hydraulic tractor, a fixed-length cutting device body (1), an injection gum dipping device body (2) and a pipe core mold body (3), wherein the fixed-length cutting device body (1) is positioned on one side of the injection gum dipping device body (2), the pipe core mold body (3) penetrates through the fixed-length cutting device body (1), the pipe core mold body (3) is positioned at the upper end of the injection gum dipping device body (2), an upper clamping seat (101) and a lower clamping seat (102) are fixedly installed inside the fixed-length cutting device body (1), the upper clamping seat (101) is positioned above the lower clamping seat (102), a first hydraulic column (103) and a second hydraulic column (105) penetrate through the position, close to the upper part, inside the fixed-length cutting device body (1), the first hydraulic column (103) is located on one side of the second hydraulic column (105), the lower ends of the first hydraulic column (103) and the second hydraulic column (105) are fixedly connected with the upper end of the upper clamping seat (101), the upper end of the fixed-length cutting device body (1) is fixedly provided with a hydraulic cylinder (104), one side of the fixed-length cutting device body (1) is fixedly provided with a cutting top seat (115) and a cutting seat (110), the cutting top seat (115) is located above the cutting seat (110), the outer surface of the cutting top seat (115) is fixedly provided with a third hydraulic column (116) and a fourth hydraulic column (117), the third hydraulic column (116) is located on one side of the fourth hydraulic column (117), the inside of the third hydraulic column (116) is slidably connected with a first lifting column (118), and the inside of the fourth hydraulic column (117) is slidably connected with a second lifting column (119), a fixed clamp plate (106) is fixedly connected below the cutting top seat (115), an isolation column (124) is fixedly installed on the inner surface of the fixed clamp plate (106), a driving column (108) is rotatably connected inside the isolation column (124), and one end of the driving column (108) is fixedly connected with a cutting rotary cutter (107);
the inside of injecting glue gumming device body (2) is provided with gumming chamber (201), one side fixed mounting of injecting glue gumming device body (2) has hopper (202), the upper end sliding connection of injecting glue gumming device body (2) has tubular product mandrel body (3), the surface of tubular product mandrel body (3) rotates and is connected with water conservancy diversion ring (12), the surface fixed mounting of water conservancy diversion ring (12) has solid fixed ring (11), the external rotation of solid fixed ring (11) is connected with churn (4), one side of churn (4) is rotated and is connected with rotary drum (8).
4. A continuous braiding and winding production line of pultruded glass fiber reinforced plastic composite tubes according to claim 3, it is characterized in that a plurality of second flow guide columns (10) are fixedly connected between the mixing drum (4) and the fixing ring (11), a connecting ring (5) is fixedly installed on one side of the mixing drum (4), a plurality of mixing columns (6) are embedded in the connecting ring (5), a plurality of first flow guide columns (7) are fixedly connected between the mixing columns (6) and the mixing drum (4), a plurality of rotary columns (9) are fixedly connected between the mixing drum (4) and the rotary drum (8), a plurality of pillars (203) are fixedly arranged at the lower end of the glue injecting and dipping device body (2), the rear end of the cutting seat (110) is fixedly provided with a containing seat (111), and the lower end of the containing seat (111) is fixedly provided with a containing plate (112).
5. The production line of the continuously woven and wound pultruded glass fiber reinforced plastic composite pipe according to claim 3, wherein a first fixing plate (120) penetrates through the inner portion of the first lifting column (118) at a position close to the lower portion, a second fixing plate (121) penetrates through the inner portion of the second lifting column (119) at a position close to the lower portion, and the fixing clamping plate (106) is fixedly connected with the first lifting column (118) and the second lifting column (119) through the first fixing plate (120) and the second fixing plate (121), respectively.
6. The production line of continuously braiding and winding the pultruded glass steel composite tube according to claim 3, wherein the lower surface of the upper clamping seat (101) is provided with an upper clamping groove (113), the upper surface of the lower clamping seat (102) is provided with a lower clamping groove (114), and the upper end of the upper clamping seat (101) is embedded with a collar (109).
7. The production line of the continuously braided and wound pultruded glass steel composite pipe according to claim 3, wherein a first guide rail (122) and a second guide rail (123) are fixedly installed inside the cutting base (110), the first guide rail (122) is located at one side of the second guide rail (123), a cutting groove is arranged inside the cutting base (110) and located at a position between the first guide rail (122) and the second guide rail (123), and a first driving motor is fixedly installed on the outer surface of the fixed clamping plate (106) and is rotatably connected with the cutting rotary knife (107) through a driving column (108).
8. The production line of continuously weaving and winding the pultruded glass steel composite pipe according to claim 3, wherein a driving connection column is fixedly installed at a position close to one side inside the rotary drum (8), a second driving motor is installed at a side of the rotary drum (8) far away from the rotary column (9), the rotary drum (8) is rotatably connected with the second driving motor through the driving connection column, the inside of the dipping glue cavity (201) is provided with resin, and the resin is glued with the outer surface of the pipe core mold body (3) through the stirring column (6), the first flow guiding column (7), the second flow guiding column (10) and the flow guiding ring (12).
9. The production line of continuously braiding and winding pultruded glass steel composite tubes according to claim 3, wherein said fiber arranging device is used to arrange the yarn on the outer surface of said tube core mold body (3); the special traction head is used for drawing the pipe core mould body (3); the heating device is used for heating the yarn layer and the resin on the outer surface of the pipe core mold body (3); the curing oven is used for carrying out setting and curing on the pipe core mold body (3), and the hydraulic tractor is used for providing traction force for the special traction head and the pipe core mold body (3) connected with the special traction head and driving the pipe core mold body (3) to move forwards.
10. A production method for continuously weaving, winding and pulling a glass fiber reinforced plastic composite pipe is characterized by comprising the following specific steps:
the method comprises the following steps: arranging and combining yarns on the outer surface of the pipe core mold body (3) by using a fiber arranging device to obtain a yarn layer, providing traction force for the special traction head and the pipe core mold body (3) connected with the special traction head by using a hydraulic tractor, and driving the pipe core mold body (3) to move forwards;
step two: the stirring cylinder (4) is driven to rotate in the gum dipping cavity (201) through the rotation of the rotary cylinder (8), and resin is rotationally poured on the outer surface of the pipe core mold body (3) through the flow guide of the stirring column (6), the first flow guide column (7), the second flow guide column (10) and the flow guide ring (12);
step three: heating the yarn layer and the resin on the outer surface of the pipe core mold body (3) by using a heating device, and shaping and curing the pipe core mold body (3) by using a curing oven after heating;
step four: moving the pipe core mold body (3) after setting and curing to a position between two groups of fixed-length cutting device bodies (1), utilizing a first hydraulic column (103) and a second hydraulic column (105) to move an upper clamping seat (101) downwards, clamping the pipe core mold body (3) through an upper clamping groove (113) and a lower clamping groove (114), and fixing the pipe core mold body (3) through the upper clamping seat (101) and the lower clamping seat (102);
step five: the first lifting column (118), the second lifting column (119) and the fixed clamp plate (106) are moved downwards by using the third hydraulic column (116) and the fourth hydraulic column (117), the cutting rotary cutter (107) is rotated by using the first driving motor and the driving column (108), the pipe core die body (3) is cut by using the fixed clamp plate (106) and the cutting rotary cutter (107) which move downwards to obtain the glass fiber reinforced plastic composite pipe, and the glass fiber reinforced plastic composite pipe is separated from the fixed-length cutting device body (1) by using a hydraulic tractor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010480293.3A CN111590931A (en) | 2020-05-30 | 2020-05-30 | Continuously-woven and wound pultruded glass fiber reinforced plastic composite pipe, production method and production line |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010480293.3A CN111590931A (en) | 2020-05-30 | 2020-05-30 | Continuously-woven and wound pultruded glass fiber reinforced plastic composite pipe, production method and production line |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111590931A true CN111590931A (en) | 2020-08-28 |
Family
ID=72189723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010480293.3A Pending CN111590931A (en) | 2020-05-30 | 2020-05-30 | Continuously-woven and wound pultruded glass fiber reinforced plastic composite pipe, production method and production line |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111590931A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116123366A (en) * | 2023-02-21 | 2023-05-16 | 江苏诺贝尔塑业股份有限公司 | Composite pipe with lining and processing device thereof |
-
2020
- 2020-05-30 CN CN202010480293.3A patent/CN111590931A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116123366A (en) * | 2023-02-21 | 2023-05-16 | 江苏诺贝尔塑业股份有限公司 | Composite pipe with lining and processing device thereof |
CN116123366B (en) * | 2023-02-21 | 2023-11-03 | 江苏诺贝尔塑业股份有限公司 | Composite pipe with lining and processing device thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105711161A (en) | Automatic manufacturing system for manufacturing bamboo-winding composite pipe | |
CN108749042B (en) | Pultrusion production method and equipment for fiber reinforced composite material bent section | |
CN1228184C (en) | Fibreglass reinforced epoxy resin insulator core rod producing technology and apparatus | |
CN109676971A (en) | A kind of production technology and its production line of profiled filament muscle material | |
CN102009471B (en) | Glass fiber reinforced plastics composite tube, equipment and method for manufacturing same through continuous winding | |
CN111497289A (en) | Pultrusion device and preparation process of high-strength FRP material | |
CN111720631A (en) | High-ring-stiffness stretch-wound FRP pipe and preparation method thereof | |
CN111590931A (en) | Continuously-woven and wound pultruded glass fiber reinforced plastic composite pipe, production method and production line | |
CN107398508B (en) | Splicing device of inner pipe body and preparation equipment of axial combined glass fiber reinforced plastic composite winding pipe | |
CN211194232U (en) | Compound production line of regeneration carbon fiber flitch | |
CN112743877A (en) | Glass fiber reinforced plastic pipe winding device | |
CN201950820U (en) | Preparing device for composite material pipe having longitudinal fibers | |
CN209566517U (en) | A kind of production line of fiber bar material | |
CN112873815A (en) | Winding, curing and demolding integrated equipment | |
CN113799411A (en) | Method and equipment for producing arrow shaft made of composite material | |
CN2724981Y (en) | Carriage type multicore mould set glass fibre reinforced plastic pipaline winding winding machine | |
CN116476412B (en) | Spiral pultrusion device for composite material | |
CN104325653B (en) | The method for continuous production of a kind of GRP pipe and prepared GRP pipe | |
CN212579257U (en) | Continuous weaving winding pultrusion glass fiber reinforced plastic composite pipe production line | |
CN114347506B (en) | Production equipment and processing technology for processing composite pipeline | |
CN109747185B (en) | Two-step method weaving pultrusion pipeline production process and equipment thereof | |
CN215750737U (en) | Demoulding device is used in production of modified polypropylene carat pipe | |
CN206733644U (en) | One kind braiding pultrusion equipment | |
JP2021014109A (en) | Manufacturing facility for carbon fiber drawing material applied to main girder of blade for wind power generation | |
CN220681690U (en) | Glass fiber reinforced plastic pultrusion machine |
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 | ||
CB02 | Change of applicant information |
Address after: 311411 building 3, 77 Changkou East Street, Changkou Town, Fuyang District, Hangzhou City, Zhejiang Province Applicant after: Hangzhou Feiteng Pipe Industry Co.,Ltd. Address before: 311411 building 3, 77 Changkou East Street, Changkou Town, Fuyang District, Hangzhou City, Zhejiang Province Applicant before: Hangzhou Fuyang Feiteng Pipe Co.,Ltd. |
|
CB02 | Change of applicant information |