CN111267369A - Glass fiber reinforced plastic cable conduit and production method thereof - Google Patents
Glass fiber reinforced plastic cable conduit and production method thereof Download PDFInfo
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- CN111267369A CN111267369A CN202010173269.5A CN202010173269A CN111267369A CN 111267369 A CN111267369 A CN 111267369A CN 202010173269 A CN202010173269 A CN 202010173269A CN 111267369 A CN111267369 A CN 111267369A
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- reinforced plastic
- glass fiber
- fiber reinforced
- plastic cable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
- B29C31/002—Handling tubes, e.g. transferring between shaping stations, loading on mandrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Robotics (AREA)
- Moulding By Coating Moulds (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention provides a production method of a glass fiber reinforced plastic cable guide pipe, which comprises the following steps: coating a release agent on a mandrel of the mold and then winding a film; performing circumferential fiber winding and axial fiber laying on the film layer, and bonding the fibers and the film layer to form a pipe body; fixing the pipe body on a traction pipe, and driving the pipe body to move forwards through traction of a traction device; curing the tube body; performing annular fiber winding and axial fiber laying on the surface of the pipe body again; curing the fiber again to obtain a molded tube body; and after the forming pipe body moves to the traction device, removing the traction pipe, and directly drawing the forming pipe body to move by the traction device. The production method of the glass fiber reinforced plastic cable conduit provided by the invention adopts a continuous winding process, and has high production efficiency; and the glass fiber is distributed along the annular direction and the axial direction, so that the material can be greatly saved under the condition of the same strength. The invention also provides a glass fiber reinforced plastic cable conduit prepared by the method.
Description
Technical Field
The invention relates to the technical field of cable conduit manufacturing, in particular to a glass fiber reinforced plastic cable conduit and a production method thereof.
Background
The manufacturing process of the glass fiber reinforced plastic pipeline can be divided into fixed-length winding and continuous winding. Wherein the content of the first and second substances,
the fixed-length winding process is a production method for manufacturing a pipe by layers from inside to outside in the length of a pipe die by adopting a spiral winding and/or hoop winding process on the pipe die with a certain length. The fixed-length winding process is relatively flexible, but has the following disadvantages: the automation degree is limited, and the production efficiency is low; the number of operators is large, and the human influence factors are large, so that the stability and uniformity of the product are poor; the industry threshold is low, and the number of manufacturers is large, so that the products are not uniform; the operating environment is poor; the material utilization rate is low; the inspection and maintenance cost is high; the length is limited by the die, etc.
The continuous winding process is a production method of continuously layering resin, continuous fibers, chopped fibers and quartz sand on a continuously output mould by adopting a hoop winding method according to certain requirements, curing and cutting into a pipe product with a certain length. The method has high automation degree, few monitoring operators in the whole process and few artificial influence factors; the industry threshold is high, the number of manufacturers is small, and the comparison is standard; the product quality is high, and the product is uniform, stable and reliable; high production efficiency and the like.
The continuous winding process has obvious advantages compared with the fixed-length winding process, and the application in production is more and more extensive. However, in the prior art, the principle of the continuous winding process is based on the production of a die formed by a reciprocating steel strip, and when the pipe diameter is smaller, the curvature of the steel strip is small and the steel strip is easy to break, so that the current continuous winding process is generally used for producing pipelines with the caliber of 300 or more and is not suitable for producing small-caliber pipelines.
The glass fiber reinforced plastic cable conduit is a pipeline made of glass fiber reinforced plastic materials and used for protecting telecommunication cables, communication cables and the like, the diameter is usually small and is within 250mm, the glass fiber reinforced plastic cable conduit is manufactured by adopting a fixed length process at present, the related problems existing in the fixed length process exist, and the development of the glass fiber reinforced plastic cable conduit industry is severely restricted. Therefore, there is an urgent need to use a continuous winding process to manufacture a glass fiber reinforced plastic cable duct. However, the existing continuous winding process for manufacturing the water supply and drainage large-caliber pipeline cannot manufacture the small-caliber glass fiber reinforced plastic cable conduit between 50mm and 250mm, and the conventional continuous winding process has the problems that continuous fibers are wound along the annular direction, and fibers along the axial direction are not available, so that the axial strength is not high, and the like.
In view of the above, there is a need to provide a new method for producing a glass fiber reinforced plastic cable duct to solve the above-mentioned technical problems.
Disclosure of Invention
The invention aims to solve the technical problem of providing a production method of a glass fiber reinforced plastic cable conduit, which adopts a continuous winding process and has high production efficiency; and the glass fiber is distributed along the annular direction and the axial direction, so that the material can be greatly saved under the condition of the same strength.
In order to solve the problems, the technical scheme of the invention is as follows:
a production method of a glass fiber reinforced plastic cable conduit comprises the following steps:
step S1, coating a release agent on the mold mandrel, winding the film, and bonding the film to form a film layer matched with the shape of the mold mandrel;
step S2, performing circumferential fiber winding and axial fiber laying on the film layer to form a first fiber layer, and bonding the first fiber layer and the film layer to form a pipe body;
step S3, fixing the tube body on a traction tube, and drawing the traction tube to move through a traction device so as to drive the tube body to move forwards;
step S4, curing the pipe body through the first curing device in the forward movement process;
step S5, performing hoop fiber winding and axial fiber laying on the surface of the cured pipe body again to form a second fiber layer;
step S6, curing the second fiber layer by using a second curing device to obtain a molded pipe body;
step S7, the traction device continues to pull the traction pipe to move, after the formed pipe body moves to the traction device, the traction pipe is removed, and the traction device directly pulls the formed pipe body to move;
and step S8, cutting according to a certain length as required to obtain a finished product of the glass fiber reinforced plastic cable conduit.
Further, in the step S4 and the step S6, the curing temperature is 120-250 ℃.
Further, in steps S2 and S5, the fibers of the axial fiber placement step are laid from the end of the die mandrel/tube body toward the beginning.
Further, an axial fiber laying device is adopted to carry out axial fiber laying work, the axial fiber laying device comprises a rotary disc sleeved on the die mandrel/pipe body, a driving device for driving the rotary disc and the die mandrel/pipe body to rotate synchronously, a wire coil fixed on the rotary disc, a wire laying ring arranged on one side of the rotary disc and sleeved on the die mandrel/pipe body, the rotary disc is connected with the wire laying ring through a plurality of conduits, fibers on the wire coil penetrate through the conduits and then penetrate out of the wire laying ring, and the penetrated fibers are fixed at the tail end of the die mandrel/pipe body to realize axial continuous laying.
Further, the paying-off ring is provided with through hole holes with the number equal to that of the wire conduits.
Further, the method is characterized by also comprising the step of manufacturing a sand inclusion layer on the surface of the pipe body.
Further, the traction speed of the traction device is 1.8-2.5 m/min.
Further, the traction device is a crawler-type tractor.
The invention also provides a glass fiber reinforced plastic cable guide pipe which is prepared by the production method of the glass fiber reinforced plastic cable guide pipe.
Further, the pipe diameter of the glass fiber reinforced plastic cable conduit is 50-250 mm.
Compared with the prior art, the production method of the glass fiber reinforced plastic cable conduit has the beneficial effects that:
the invention provides a production method of a glass fiber reinforced plastic cable conduit, which comprises the steps of continuously winding fibers in an annular direction and continuously laying the fibers in an axial direction, connecting the fibers to a traction pipe, driving a pipeline formed by winding the fibers to advance by traction of a traction device at one end of the traction pipe, carrying out curing treatment in the advancing process of the pipeline, removing the traction pipe after the traction pipe drives a cured and formed product to reach the traction device, and directly drawing the formed pipeline to move by the traction device to form continuous production. The cable duct prepared by the production method of the glass fiber reinforced plastic cable duct provided by the invention has the advantages that the fibers are uniformly distributed in the annular direction and the axial direction, the fiber direction is consistent with the stress direction, and the mechanical property of the pipeline can be improved.
The production method of the glass fiber reinforced plastic cable conduit can distribute the proportion of the circumferential fibers and the axial fibers according to the magnitude of the circumferential force and the axial force, the materials are fully applied, safety and economy are realized, a large amount of materials can be saved under the condition of the same strength performance requirement, and the cost is reduced by more than 10%.
The production method of the glass fiber reinforced plastic cable guide pipe provided by the invention has high production efficiency, the production speed reaches 1.8-2.5m/min, and the production efficiency is 1.5-2 times that of the prior art.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of the structure of a production line used in the method for producing a glass fiber reinforced plastic cable duct according to the present invention;
FIG. 2 is a schematic view of the construction of the axial placement device in the production line of FIG. 1;
FIG. 3 is a schematic cross-sectional view A-A of the axial placement device shown in FIG. 2;
FIG. 4 is a schematic flow diagram of a method of producing a glass fiber reinforced plastic cable duct provided by the present invention;
fig. 5 is a schematic structural view of a glass fiber reinforced plastic cable duct manufactured by the method for manufacturing a glass fiber reinforced plastic cable duct according to the present invention.
Detailed Description
In order to make the technical solutions in the embodiments of the present invention better understood and make the above objects, features, and advantages of the present invention more comprehensible, specific embodiments of the present invention are described below with reference to the accompanying drawings.
It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 is a schematic structural diagram of a production line used in the method for producing a glass fiber reinforced plastic cable duct according to the present invention. The production line used by the production method comprises a mould mandrel 1, a film winding device 2, a first hoop fiber winding device 3, a first axial fiber laying device 4, a first curing device 5, a second hoop fiber winding device 6, a second axial fiber laying device 7, a second curing device 8, a traction pipe 9 and a traction device 10 which are sequentially arranged along the pipeline transmission direction.
The die core shaft 1 is driven by a driving device to rotate, and the film winding and the first fiber layer manufacturing are completed in the rotating process of the die core shaft 1. In this embodiment, the cross-sectional shape of the die mandrel 1 is circular.
The film winding device 2 comprises a film reel (not shown), when the die mandrel 1 rotates, the film on the film reel is pulled to move, then the film is wound on the die mandrel 1, and the film is bonded in glue spreading and other modes, so that the film forms a film layer matched with the die mandrel 1 in shape.
The first hoop fiber winding device 3 is used for hoop winding of fibers on the film layer, and the structure of the first hoop fiber winding device comprises a fiber reel (not shown), and when the mold mandrel 1 rotates, the fiber on the fiber reel is pulled to move, so that hoop winding is carried out on the film layer. In order to fix the fiber and the film layer, the fiber discharged from the fiber reel firstly passes through a gluing process, and the glued fiber is wound around the film layer in the circumferential direction and then is adhered and fixed with the film. The device structure required by the gluing process comprises a glue dipping tank and a glue spreader arranged in the glue dipping tank, wherein the position of the glue spreader is lower than that of a fiber reel, and the glue spreader is also used as a tension roller for conveying fibers while the glue dipping is finished.
The first axial fiber placement device 4 is used for axially placing fibers on the film layer, and in this embodiment, the fibers output by the first axial fiber placement device 4 are placed from the tail end of the mold mandrel 1 to the starting end. It should be noted that the end of the mold mandrel refers to a discharge end of the mold mandrel along the product output path, which is an end close to the traction device in this embodiment; correspondingly, the other end is the starting end of the mold mandrel.
Referring to fig. 2 and 3, fig. 2 is a schematic structural diagram of an axial placement device in the production line of fig. 1; FIG. 3 is a schematic cross-sectional view A-A of the axial placement device shown in FIG. 2. The first axial fiber laying device 4 comprises a turntable 41 sleeved on the mold mandrel 1, a driving device (not shown) for driving the turntable 41 and the mold mandrel 1 to rotate synchronously, a wire coil 43 fixed on the turntable 41, a wire releasing ring 44 arranged on one side of the turntable 41 and sleeved on the mold mandrel 1, wherein the turntable 41 and the wire releasing ring 44 are connected through a plurality of wire conduits 45, fibers on the wire coil 43 pass through the wire conduits 45 and then pass out of the wire releasing ring 44, and the passed fibers are fixed at the tail end of the mold mandrel 1 to realize axial continuous laying.
Specifically, the paying-off rings 44 are provided with through wire holes 46 with the same number as the wire conduits 45, and the through wire holes 46 are arranged around the paying-off rings 44 at certain intervals, so that axial fibers laid on the film layer are uniformly distributed, and the axial stress uniformity of the product is improved.
Similarly, after the axial fibers are laid, the fibers need to be fixed with glue or tape. The circumferential fibers wound on the film layer and the axial fibers laid on the film layer are combined to form a first fiber layer; the first fibrous layer is bonded to the film layer to form a tube body. In order to meet the annular stress requirement of the product, a plurality of groups of annular fiber winding devices can be arranged as required.
The pipe body is connected with one end of a traction pipe 9 after being formed, and the other end of the traction pipe 9 is pulled by a traction device 10 to move forwards, so that the formed pipe body is driven to move forwards. The connection mode of the tube body and the traction tube 9 can be adhesive tape bonding and the like. The traction device 10 is preferably a crawler-type traction machine, the structure and working principle of which can be referred to the prior art and are not described in detail herein.
The pulling device 10 pulls the pipe body forward so that the pipe body first passes the first curing device 5. The first curing device 5 is used for curing the tube body to enable the tube body to have primary strength, and the curing temperature is 120-250 ℃. Specifically, the first curing device 5 may be heated and cured by an infrared lamp, and the tube body is naturally cooled during movement after curing. The structure of the curing device can refer to the prior art, and is not described herein.
And performing the processes of annular fiber winding and axial fiber laying again in the forward movement process of the cured pipe body. The second hoop fiber winding device 6 is used for hoop fiber winding on the surface of the pipe body, and the second axial fiber laying device 7 is used for axial fiber laying on the surface of the pipe body. The structure of the second hoop fiber device 6 is the same as that of the first hoop fiber winding device 3, and is not described herein; the structure of the second axial fiber placement device 7 is the same as that of the first axial fiber placement device 4, and the second axial fiber placement device drives the fibers to be placed from the tail end of the pipe body to the starting end, and the specific structure is not described herein. And after the second annular fiber winding device 6 and the second axial fiber laying device 7 complete annular fiber winding and axial fiber laying on the surface of the pipe body, a second fiber layer is formed on the surface of the pipe body.
The pulling device 10 pulls the pulling tube further forward, so that the formed second fibre layer passes the second solidifying device 8. The second curing device 8 is used for curing the second fiber layer to fully cure the final product, and the curing temperature is 120-250 ℃. The structure of the second curing device 8 is the same as that of the first curing device 5, and is not described in detail herein.
In order to meet the requirements of the product, a sand inclusion layer forming device (not shown) may be preferably provided for forming a sand inclusion layer on the surface of the pipe body. The structure and the working principle of the sand inclusion layer manufacturing device can refer to the prior art, and are not described herein in detail.
In the invention, in order to enable the product to meet different performance requirements, a plurality of hoop fiber winding devices and axial fiber laying devices can be arranged according to actual requirements, so that the hoop stress and the axial stress of the product meet the mechanical requirements.
Based on the structure of the glass fiber reinforced plastic cable duct production line, please refer to fig. 4, which is a schematic flow chart of the production method of the glass fiber reinforced plastic cable duct provided by the present invention, the production method of the glass fiber reinforced plastic cable duct provided by the present invention includes the following steps:
step S1, coating a release agent on the mold mandrel, winding the film, and bonding the film to form a film layer matched with the shape of the mold mandrel;
step S2, performing circumferential fiber winding and axial fiber laying on the film layer to form a first fiber layer, and bonding the first fiber layer and the film layer to form a pipe body;
and in order to fix the fibers, the hoop winding fibers and the axial laying fibers are fixed on the surface of the film layer by adopting glue solution.
Step S3, fixing the tube body on a traction tube, and drawing the traction tube to move through a traction device so as to drive the tube body to move forwards;
specifically, the pipe body and the traction pipe 9 are fixed through an adhesive tape, the traction speed of the traction device 10 is 1.8-2.5m/min, the traction speed is generally designed to be 2m/min, and after the traction device 10 drives the pipe body to rotate and move forwards, continuous pipe body manufacturing can be achieved on the die mandrel 1.
Step S4, curing the pipe body through the first curing device in the forward movement process;
specifically, the curing temperature is 120-250 ℃;
step S5, performing hoop fiber winding and axial fiber laying on the surface of the cured pipe body again to form a second fiber layer;
the process of laying the fibers in the axial fiber laying step from the tail end of the pipe body to the starting end is the same as that in the step S2, and in order to meet the mechanical property of a product, a plurality of hoop fiber winding processes and axial fiber laying processes can be set as required;
meanwhile, the sand inclusion layer manufacturing process can be carried out at the stage according to the process design requirements, and the sand inclusion layer manufacturing process refers to the prior art.
Step S6, curing the second fiber layer by using a second curing device to obtain a molded pipe body;
specifically, the curing temperature is 120-250 ℃;
step S7, the traction device continues to pull the traction tube to move, the traction tube is removed after the formed tube body moves to the traction device, and the traction device directly pulls the formed tube body to move;
and step S8, cutting according to a certain length as required to obtain a finished product of the glass fiber reinforced plastic cable conduit.
Please refer to fig. 5, which is a schematic structural diagram of a glass fiber reinforced plastic cable duct manufactured by the method for manufacturing a glass fiber reinforced plastic cable duct according to the present invention. The glass fiber reinforced plastic cable conduit comprises a film layer 201, a first fiber layer 202 and a second fiber layer 203, wherein the film layer 201 is bonded with the first fiber layer 202 to form a conduit body 204, the second fiber layer 203 is bonded with the conduit body 204 to form a molded conduit body 205, and the molded conduit body 205 is cut as required to obtain a finished glass fiber reinforced plastic cable conduit.
In the invention, the pipe diameter of the glass fiber reinforced plastic cable conduit is 50-250 mm.
According to the production method of the glass fiber reinforced plastic cable conduit, the formed cable conduit is prepared, fibers are uniformly distributed in the circumferential direction and the axial direction, the fiber direction is consistent with the stress direction, and the mechanical property of a pipeline can be improved; the invention distributes the proportion of the circumferential fiber and the axial fiber according to the magnitude of the circumferential force and the axial force, the materials are fully applied, the invention is safe and economic, a large amount of materials can be saved under the condition of the same strength performance requirement, and the cost is reduced by more than 10 percent.
The embodiments of the present invention are described in detail above with reference to the drawings, but the present invention is not limited to the described embodiments. Various changes, modifications, substitutions and alterations to these embodiments will occur to those skilled in the art without departing from the spirit and scope of the present invention.
Claims (10)
1. A production method of a glass fiber reinforced plastic cable conduit is characterized by comprising the following steps:
step S1, coating a release agent on the mold mandrel, winding the film, and bonding the film to form a film layer matched with the shape of the mold mandrel;
step S2, performing circumferential fiber winding and axial fiber laying on the film layer to form a first fiber layer, and bonding the first fiber layer and the film layer to form a pipe body;
step S3, fixing the tube body on a traction tube, and drawing the traction tube to move through a traction device so as to drive the tube body to move forwards;
step S4, curing the pipe body through the first curing device in the forward movement process;
step S5, performing hoop fiber winding and axial fiber laying on the surface of the cured pipe body again to form a second fiber layer;
step S6, curing the second fiber layer by using a second curing device to obtain a molded pipe body;
step S7, the traction device continues to pull the traction pipe to move, after the formed pipe body moves to the traction device, the traction pipe is removed, and the traction device directly pulls the formed pipe body to move;
and step S8, cutting according to a certain length as required to obtain a finished product of the glass fiber reinforced plastic cable conduit.
2. The method as claimed in claim 1, wherein the curing temperature in steps S4 and S6 is 120-250 ℃.
3. The method for producing a glass fiber reinforced plastic cable duct according to claim 1, wherein in steps S2 and S5, the fibers of the axial fiber placement step are laid from the end of the mold mandrel/tube body toward the beginning.
4. The production method of the glass fiber reinforced plastic cable guide according to claim 3, wherein an axial fiber placement device is used for carrying out axial fiber placement work, the axial fiber placement device comprises a turntable sleeved on the mold mandrel/tube body, a driving device for driving the turntable and the mold mandrel/tube body to rotate synchronously, a wire coil fixed on the turntable, a wire releasing ring arranged on one side of the turntable and sleeved on the mold mandrel/tube body, the turntable and the wire releasing ring are connected through a plurality of guide tubes, fibers on the wire coil penetrate through the guide tubes and then penetrate out of the wire releasing ring, and the penetrated fibers are fixed at the tail end of the mold mandrel/tube body and then are continuously placed in the axial direction.
5. The method for producing a glass fiber reinforced plastic cable guide according to claim 4, wherein the paying-off ring has the same number of through-wire holes as the number of the wire conduits.
6. The method for producing a glass fiber reinforced plastic cable duct according to any one of claims 1 to 5, further comprising a step of forming a sand inclusion layer on the surface of the tube body.
7. The method for producing a glass fiber reinforced plastic cable duct according to any one of claims 1 to 5, wherein a pulling speed of the pulling device is 1.8 to 2.5 m/min.
8. The method for producing a glass fiber reinforced plastic cable duct according to claim 7, wherein the pulling device is a crawler type pulling machine.
9. A glass fiber reinforced plastic cable duct, characterized by being produced by the method for producing a glass fiber reinforced plastic cable duct according to any one of claims 1 to 8.
10. The glass fiber reinforced plastic cable duct according to claim 9, wherein the pipe diameter of the glass fiber reinforced plastic cable duct is 50-250 mm.
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| CN202010173269.5A CN111267369B (en) | 2020-03-13 | 2020-03-13 | Glass fiber reinforced plastic cable conduit and production method thereof |
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| CN202010173269.5A CN111267369B (en) | 2020-03-13 | 2020-03-13 | Glass fiber reinforced plastic cable conduit and production method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112803322A (en) * | 2021-01-15 | 2021-05-14 | 浙江金腾管业科技有限公司 | Glass fiber reinforced plastic cable conduit and processing technology thereof |
| CN113511149A (en) * | 2021-07-16 | 2021-10-19 | 深圳市骏鼎达新材料股份有限公司 | Self-rolling and heat-setting spiral self-rolling sleeve for strip-shaped material and production method thereof |
| CN115384082A (en) * | 2022-08-31 | 2022-11-25 | 浙江鑫硕新材料有限公司 | Production device of glass fiber reinforced plastic cable guide pipe and control method thereof |
| CN115891122A (en) * | 2023-02-07 | 2023-04-04 | 浙江华丰新材料股份有限公司 | Glass fiber reinforced plastic sand inclusion pipe wind |
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| CN115384082B (en) * | 2022-08-31 | 2023-05-26 | 浙江鑫硕新材料有限公司 | Production device of glass fiber reinforced plastic cable conduit and control method thereof |
| CN115891122A (en) * | 2023-02-07 | 2023-04-04 | 浙江华丰新材料股份有限公司 | Glass fiber reinforced plastic sand inclusion pipe wind |
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