CN111457166A - Thermoplastic continuous fiber prepreg reinforced thermoplastic composite pipe and manufacturing method thereof - Google Patents
Thermoplastic continuous fiber prepreg reinforced thermoplastic composite pipe and manufacturing method thereof Download PDFInfo
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- CN111457166A CN111457166A CN201910055127.6A CN201910055127A CN111457166A CN 111457166 A CN111457166 A CN 111457166A CN 201910055127 A CN201910055127 A CN 201910055127A CN 111457166 A CN111457166 A CN 111457166A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
- F16L9/121—Rigid pipes of plastics with or without reinforcement with three layers
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention relates to the field of loose or adhered fibrous material reinforced high molecular compounds, in particular to a thermoplastic continuous fiber prepreg reinforced thermoplastic composite pipe and a manufacturing method thereof. A thermoplastic continuous fiber prepreg reinforced thermoplastic composite pipe comprises a pipe body (1), and is characterized in that: the pipe body (1) is formed by fusing three layers of a thermoplastic inner layer film (11), a thermoplastic reinforced core layer pipe (12) and a thermoplastic surface layer film (13); the thermoplastic reinforced core tube (12) is formed from a thermoplastic continuous fiber prepreg coiled tube. The invention has simple structure, convenient manufacture, strong adaptability and high mechanical performance.
Description
Technical Field
The invention relates to the field of loose or adhered fibrous material reinforced high molecular compounds, in particular to a thermoplastic continuous fiber prepreg reinforced thermoplastic composite pipe and a manufacturing method thereof.
Background
The continuous glass fiber reinforced thermoplastic composite pipe has the advantages of high strength, thin wall, light weight, corrosion resistance, long service life and the like, is widely applied to municipal water diversion and water supply, heating pipe networks, oil field gathering and transportation pipe networks, chemical pipe networks, natural gas conveying pipe networks, powder slurry conveying pipe networks and the like, and generally adopts a method that a film-type thermoplastic glass fiber prepreg tape with the thickness of 0.3-0.4 mm is rotated by a winding disc to drive the prepreg tape to rotate and wind an inner pipe, is manufactured in a mode of heating the whole oven after heating or concentrated winding while winding, and can also be manufactured in a mode that a steel pipe is rotated to drive the prepreg tape to be passively wound on the surface of the steel pipe for multiple times and then is heated in a concentrated mode to manufacture. The two technologies are respectively wound on the inner layer pipe in a multi-layer way according to different pipe diameters and pressures to form a reinforced layer consisting of 4 to 50 layers of film type thermoplastic glass fiber prepreg tapes. The film type multi-layer winding method has the following problems:
1. along with the increase of the caliber of the pipeline or the increase of the pressure, the number of layers of the required winding prepreg tape is increased to 20-50 layers or more, 20-50 or more rotary winding discs are needed for tape compounding, the production process is complex, excessive winding disc machines and overlong production lines are not well controlled, and the product rate of the produced pipe is low;
2. in the winding process of the film-type prepreg tapes respectively wound at multiple layers, the prepreg tapes wound at all layers are respectively provided with winding discs for various operations to control the winding process, so that the prepreg tapes among all layers have uneven tension, angle difference and the like due to the influence of precision difference and the like among equipment, and the quality of an enhancement layer and the mechanical property of a composite pipe are directly influenced;
3. the film-type prepreg tapes respectively wound at multiple layers often cause overall peeling or local cracking between the reinforcing layer layers to influence the overall quality of the pipe due to uneven heating and hot melting temperature or no position;
4. the film-wound prepreg tape reinforcing layers are respectively heated and wound in multiple layers, the film-wound prepreg tape reinforcing layers are fully communicated with the air in an open mode, heat loss is large, energy waste is large, and the production electricity cost is high;
5. multilayer respectively heats winding film formula preimpregnation area enhancement layer because the restriction of winding dish, can't realize the winding of big width size preimpregnation area, especially the pipe diameter is greater than the pipeline more than 800mm can't realize being close to 55 best winding angle, seriously influences the anti axial stress of pipeline.
Disclosure of Invention
The invention discloses a thermoplastic continuous fiber prepreg reinforced thermoplastic composite pipe and a manufacturing method thereof, aiming at overcoming the defects of the prior art and providing a thermoplastic pipe with simple structure, convenient manufacture, strong adaptability and high mechanical property.
The invention achieves the purpose by the following technical scheme:
the utility model provides a thermoplasticity continuous fibers preimpregnation area reel pipe, includes bobbin body, characterized by: the tube body is formed by fusing three layers of thermoplastic inner layer films, thermoplastic 0-90-degree continuous fiber prepreg tape multi-layer laminated core layer tubes and thermoplastic surface layer films;
the 0-90 degree continuous fiber prepreg tape multilayer laminated core pipe is formed by integrally welding and pasting a 0-90 degree continuous fiber prepreg tape roll and multilayer reel pipes, wherein the 0-90 degree continuous fiber prepreg tape is formed by transversely cutting a 0 degree prepreg tape with the single layer thickness of 0.2-0.4 mm and the width of 500-650 mm to the length of 2500-4000 mm to be used as a 90 degree prepreg tape, closely arranging 5-6 0 degree prepreg tapes with the width of 500-700 mm on a plane to form a wide tape, superposing and continuously and flatly paving the 90 degree prepreg tape on the 0 degree wide tape plane, and hot-pressing and rolling the tape into 2-layer or 3-layer thermoplastic 0-90 degree continuous fiber prepreg tape roll with the width of 2500-4000 mm under the traction and heating of a tape-laying hot-press.
The manufacturing method of the thermoplastic continuous fiber prepreg tape reel pipe is characterized by comprising the following steps of: the method is implemented in sequence as follows:
① 0-90 degree continuous fiber prepreg integrated tape roll manufacturing, wherein the 0 degree to 90 degree continuous fiber prepreg integrated tape is used as a 90 degree directional prepreg tape by a 0 degree prepreg tape with a single layer thickness of 0.2 mm-0.4 mm and a width of 500 mm-650 mm through cross cutting to a length of 2500 mm-4000 mm, 5-6 pieces of 0 degree prepreg tape rolls with a width of 500 mm-700 mm are closely arrayed in a wide band plane, the 90 degree directional prepreg tapes are superposed and continuously tiled on the 0 degree wide band plane, and the 2-layer or 3-layer thermoplastic 0 degree to 90 degree continuous fiber prepreg integrated tape rolls with a width of 2500 mm-4000 mm are rolled by hot pressing under traction and heating of a tape laying hot press;
② laminating a plastic film with width of 2500-4000 mm on the surface of a 0-90 DEG continuous fiber prepreg tape in a single layer or multiple layers, and hot-pressing and rolling the plastic film into a fused plastic film and prepreg tape fusion body with width of 2500-4000 mm under the traction and heating of a tape laying hot press;
③ winding the molten plastic film and the pre-impregnated tape fused body on a steel round tube mould to make an inner layer film;
④ rotating the steel round tube mould, winding the fused plastic film and the pre-soaking belt fused body around the steel round tube mould;
⑤ cutting off the plastic film after winding;
⑤, continuously rotating the steel circular tube die, winding and melting 0-90-degree continuous fiber prepreg integrated belts in a linear multi-layer manner, and rolling and melting 0-90-degree continuous fiber prepreg integrated belts until the designed layer number is reached;
⑥, winding and melting the 0-90 degree continuous fiber prepreg integrated belt one circle before the design layer number, laying a plastic film on the upper surface of the 0-90 degree continuous fiber prepreg integrated belt after laminating a single layer or a plurality of layers in advance, and hot-pressing and rolling the plastic film into a molten plastic film with the width of 2500-4000 mm and a prepreg belt fusion body to be wound into a surface layer film and a thermoplastic continuous fiber prepreg belt bobbin body under the traction and heating of a tape laying hot press;
⑦ naturally cooling and shaping the thermoplastic continuous fiber prepreg tape bobbin body;
⑧ removing the steel round tube mould;
⑨ the thermoplastic continuous fiber prepreg tape bobbin is removed.
The equipment used in the manufacturing method of the thermoplastic continuous fiber prepreg tape reel pipe is characterized in that:
an upper-layer film and lower-layer film and prepreg tape combined unreeling machine is arranged at the rearmost end of the production line;
an upper layer film and a lower layer film and a prepreg tape shearing machine are arranged in front of the combined unreeling machine;
arranging a tape laying heating and pressurizing machine on the shearing machine;
a steel round pipe die rotating machine is arranged in front of the belt paving machine;
a heating device is arranged on the inner side surface of the steel round pipe die rotating machine;
a polytetrafluoroethylene rolling device is arranged on the outer side surface of the steel round tube die rotating machine.
The use method of the equipment used in the manufacturing method of the continuous fiber prepreg tape reel pipe is characterized in that: the method is implemented in sequence according to the following steps:
a. loading the upper and lower layers of films with the width of 2500-4000 mm and the prepreg tape into a combined unreeling machine;
b. starting a belt paving heating and pressurizing machine to a set temperature, and keeping the temperature for 30 minutes;
c. manually drawing the lower layer of single-layer or multi-layer film and the prepreg tape to be coated into a tape laying heating and pressurizing machine;
d. starting a tape laying heating and pressurizing machine to draw and manufacture a molten composite tape;
e. applying the molten composite tape to a steel circular tube mold;
f. starting a steel round tube die rotating machine to linearly curl and melt the composite belt for one circle;
g. shearing the lower film strip;
h. starting a heating device to heat the surface of the 0-90-degree continuous fiber prepreg integrated belt to keep the surface in a molten state;
i. continuing to curl the prepreg tape until the number of layers is designed;
j. before the curled prepreg tape is left for one circle of length, laying a single-layer or multi-layer plastic film on the upper surface of the prepreg tape, and making a composite tape by entering a tape laying heating and pressurizing machine;
k. shearing the plastic and thermoplastic continuous fiber prepreg integrated belt to prepare a three-layer cylindrical pipe body with an inner layer and an outer layer which are plastic films and a core layer which is the thermoplastic continuous fiber prepreg integrated belt;
naturally cooling and shaping the three-layer cylindrical pipe body;
m, radially contracting a steel round pipe die;
the steel round pipe mould is taken out from the shaped three-layer composite thermoplastic continuous fiber prepreg tape cylinder body.
The fiber refers to glass fiber and carbon fiber.
The thermoplastic material refers to PP, PE, PA, PVC and the like.
The continuous fiber prepreg tape is a commercially available film with the thickness of 0.3-0.5 mm produced by a pre-dipping method of a commercially available thermoplastic material in a molten state.
The thermoplastic 0-90-degree continuous fiber prepreg integrated belt is a bidirectional continuous fiber prepreg integrated belt which is formed by splicing 0-degree prepreg belts to a designed width, cutting the length of the 0-degree prepreg belts according to the designed width, layering and laying according to 0-90 degrees, and uniformly hot-pressing and cooling.
The continuous fiber prepreg tape or prepreg board has the mass content of the continuous fiber of 50-70%.
The thermoplastic material refers to PP, PE, PA, PVC and the like.
The heating temperature PP was set at 230 ℃, PE at 210 ℃, PA at 250 ℃ and PVC at 190 ℃.
The using method of the thermoplastic continuous fiber prepreg tape reel pipe is characterized by comprising the following steps: the pipe bodies are connected in series after being abutted end to end, 0-90-degree thermoplastic continuous fiber presoaking integral belt rings with the width of 100-300 mm in a molten state are wound outside the pipe bodies, the pipe bodies are connected into a whole, and then cable sheathing pipes, large-diameter pressure pipelines, structural cylinders or oil and gas storage cabinets and the like are manufactured.
The using method of the thermoplastic continuous fiber prepreg tape reel pipe is characterized by comprising the following steps: and respectively welding and sticking thermoplastic continuous fiber prepreg tape plates at two ends of the pipe body, and then manufacturing an oil storage, gas storage and water storage tank body and the like.
The integral pipe is melt-adhered by using a 0-90-degree continuous fiber prepreg tape to wind a multi-layer reelpipe, and has the following effects:
1. the bobbin made by directly curling the tube body by the 0-90-degree bidirectional continuous fiber prepreg tape has extremely high strength, can simultaneously meet the radial and axial stretching requirements, and simultaneously meets the requirement of external pressure rigidity;
2. the bobbin made by directly curling the 0-90 degree bidirectional continuous fiber prepreg tape saves a large amount of inner and outer layer plastic materials, and further saves the cost for manufacturing the pipe by more than 20 percent;
3. due to the adoption of a lining metal mold method, the pipe diameter of 1500 mm-3000 mm or even larger can be produced, and the technical bottleneck that the prior technology of the prepreg tape reinforced pipeline is difficult to manufacture with large caliber is effectively broken through;
4. the large-diameter pipeline capable of bearing high internal and external pressure can be manufactured, so that a foundation is laid for manufacturing a large-scale structure tank, and a foundation is laid for manufacturing a corrosion-resistant reserved oil gas super-large tank.
5. The production line of the pipe is simple, the process flow is simple, and the yield of the pipe is improved by more than 99%.
6. The cost of the large pipeline can be saved by more than 30%.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic structural view of a multi-layered laminated core tube of the continuous fiber prepreg tape of the present invention;
FIG. 3 is a schematic structural view of an apparatus used in the production of the present invention;
FIG. 4 is a schematic structural view of the present invention applied to a cable sheath tube or the like;
FIG. 5 is a schematic view of the present invention applied to a tank for storing oil, gas and water.
Detailed Description
The invention is further illustrated by the following specific examples.
Example 1
A thermoplastic continuous fiber prepreg tape reel pipe comprises a reel pipe body 1, as shown in figures 1-3, the specific structure is as follows:
the tube body 1 is formed by fusing three layers of a thermoplastic inner layer film 11, a thermoplastic 0-90-degree continuous fiber prepreg tape multi-layer laminated core tube 12 and a thermoplastic surface layer film 13;
the 0-90 degree continuous fiber prepreg tape multilayer laminated core pipe 12 is formed by integrally welding and pasting a 0-90 degree continuous fiber prepreg tape roll and multilayer reel pipes, wherein the 0-90 degree continuous fiber prepreg tape is formed by transversely cutting a 0 degree prepreg tape with the thickness of 0.2-0.4 mm and the width of 500-650 mm to the length of 2500-4000 mm to form a 90 degree prepreg tape, closely arranging 5-6 sheets of 0 degree prepreg tape with the width of 500-700 mm to form a wide tape, superposing and continuously tiling the 90 degree prepreg tape on a 0 degree wide tape plane, and hot-pressing and rolling the tape into 2-or 3-layer thermoplastic 0-90 degree continuous fiber prepreg tape roll with the width of 2500-4000 mm by a tape-laying hot-press machine under traction and heating.
In the manufacture of this example, the following was performed in sequence:
① 0-90 degree continuous fiber prepreg integrated tape roll manufacturing, wherein the 0 degree to 90 degree continuous fiber prepreg integrated tape is used as a 90 degree directional prepreg tape by a 0 degree prepreg tape with a single layer thickness of 0.2 mm-0.4 mm and a width of 500 mm-650 mm through cross cutting to a length of 2500 mm-4000 mm, 5-6 pieces of 0 degree prepreg tape rolls with a width of 500 mm-700 mm are closely arrayed in a wide band plane, the 90 degree directional prepreg tapes are superposed and continuously tiled on the 0 degree wide band plane, and the 2-layer or 3-layer thermoplastic 0 degree to 90 degree continuous fiber prepreg integrated tape rolls with a width of 2500 mm-4000 mm are rolled by hot pressing under traction and heating of a tape laying hot press;
② laminating a plastic film with width of 2500-4000 mm on the surface of a 0-90 DEG continuous fiber prepreg tape in a single layer or multiple layers, and hot-pressing and rolling the plastic film into a fused plastic film and prepreg tape fusion body with width of 2500-4000 mm under the traction and heating of a tape laying hot press;
③ winding the molten plastic film and the pre-impregnated tape fused body on a steel round tube mould to make an inner layer film;
④ rotating the steel round tube mould, winding the fused plastic film and the pre-soaking belt fused body around the steel round tube mould;
⑤ cutting off the plastic film after winding;
⑤, continuously rotating the steel circular tube die, winding and melting 0-90-degree continuous fiber prepreg integrated belts in a linear multi-layer manner, and rolling and melting 0-90-degree continuous fiber prepreg integrated belts until the designed layer number is reached;
⑥, winding and melting the 0-90 degree continuous fiber prepreg integrated belt one circle before the design layer number, laying a plastic film on the upper surface of the 0-90 degree continuous fiber prepreg integrated belt after laminating a single layer or a plurality of layers in advance, and hot-pressing and rolling the plastic film into a molten plastic film with the width of 2500-4000 mm and a prepreg belt fusion body to be wound into a surface layer film and a thermoplastic continuous fiber prepreg belt bobbin body under the traction and heating of a tape laying hot press;
⑦ naturally cooling and shaping the thermoplastic continuous fiber prepreg tape bobbin body;
⑧ removing the steel round tube mould;
⑨ the thermoplastic continuous fiber prepreg tape bobbin is removed.
The equipment used in the manufacturing of the embodiment has the specific structure as shown in the figure:
an upper-layer film and lower-layer film and prepreg tape combined unreeling machine 21 is arranged at the rearmost end of the production line;
an upper layer film and lower layer film and prepreg tape shearing machine 22 is arranged in front of the combined unreeling machine 21;
a tape laying heating and pressurizing machine 23 is arranged on the shearing machine 22;
a steel round tube mould rotating machine 24 is arranged in front of the belt paving machine 23;
a heating device 25 is arranged on the inner side surface of the steel round tube mould rotating machine 24;
a polytetrafluoroethylene rolling device 26 is arranged on the outer side surface of the steel round tube die rotating machine 24.
When the equipment used in the manufacturing of the embodiment is used, the following steps are sequentially carried out:
a. loading the upper and lower layers of films with the width of 2500 mm-4000 mm and the prepreg tape into a combined unreeling machine 21;
b. starting a belt paving heating and pressurizing machine 23 to a set temperature, and keeping the temperature for 30 minutes;
c. manually drawing the lower layer of single-layer or multi-layer film and the prepreg tape to be coated into a tape laying heating and pressurizing machine 23;
d. starting a tape laying heating and pressurizing machine to draw and manufacture a molten composite tape;
e. applying the molten composite tape to a steel circular tube mold;
f. starting a steel round tube mold rotating machine 24 to linearly curl and melt the composite belt for one circle;
g. shearing the lower film strip;
h. starting a heating device 25 to heat the surface of the continuous fiber prepreg integrated belt at 0-90 degrees and keep the surface in a molten state;
i. continuing to curl the prepreg tape until the number of layers is designed;
j. before the curled prepreg tape is left for one circle of length, laying a single-layer or multi-layer plastic film on the upper surface of the prepreg tape, and making a composite tape by entering a tape laying heating and pressurizing machine;
k. shearing the plastic and thermoplastic continuous fiber prepreg integrated belt to prepare a three-layer cylindrical pipe body with an inner layer and an outer layer which are plastic films and a core layer which is the thermoplastic continuous fiber prepreg integrated belt;
naturally cooling and shaping the three-layer cylindrical pipe body;
m, radially contracting a steel round pipe die;
the steel round pipe mould is taken out from the shaped three-layer composite thermoplastic continuous fiber prepreg tape cylinder body.
The fiber refers to glass fiber and carbon fiber.
The thermoplastic material refers to PP, PE, PA, PVC and the like.
The continuous fiber prepreg tape is a commercially available film with the thickness of 0.3-0.5 mm produced by a pre-dipping method of a commercially available thermoplastic material in a molten state.
The thermoplastic 0-90-degree continuous fiber prepreg integrated belt is a bidirectional continuous fiber prepreg integrated belt which is formed by splicing 0-degree prepreg belts to a designed width, cutting the length of the 0-degree prepreg belts according to the designed width, layering and laying according to 0-90 degrees, and uniformly hot-pressing and cooling.
The continuous fiber prepreg tape or prepreg board has the mass content of the continuous fiber of 50-70%.
The thermoplastic material refers to PP, PE, PA, PVC and the like.
The heating temperature PP was set at 230 ℃, PE at 210 ℃, PA at 250 ℃ and PVC at 190 ℃.
One of the applications of this embodiment: as shown in fig. 4: the pipe bodies 1 are sequentially connected in series after being abutted end to end, the thermoplastic continuous fiber prepreg integral belt ring 3 with the width of 100 mm-300 mm and the angle of 0-90 degrees is wound outside the pipe bodies 1, the pipe bodies 1 are connected into a whole, and then the cable sheath pipe, the large-diameter pressure pipeline, the structure cylinder or the oil and gas storage cabinet is manufactured.
One of the applications of this embodiment: as shown in fig. 5: and respectively welding and sticking thermoplastic continuous fiber prepreg tape plates 4 at two ends of the pipe body 1, and then manufacturing the oil storage, gas storage and water storage tank body.
Claims (6)
1. A thermoplastic continuous fiber prepreg tape reel pipe comprises a reel pipe body (1) and is characterized in that: the tube body (1) is formed by fusing three layers of a thermoplastic inner layer film (11), a thermoplastic 0-90-degree continuous fiber prepreg tape multi-layer laminated core tube (12) and a thermoplastic surface layer film (13);
the 0-90 degree continuous fiber prepreg tape multilayer laminated core pipe (12) is formed by integrally welding and pasting a 0-90 degree continuous fiber prepreg tape roll and multilayer reel pipes, wherein the 0-90 degree continuous fiber prepreg tape is formed by transversely cutting a 0 degree prepreg tape with the thickness of 0.2-0.4 mm and the width of 500-650 mm to the length of 2500-4000 mm to form a 90 degree prepreg tape, closely arranging 5-6 sheets of 0 degree prepreg tape with the width of 500-700 mm to form a wide tape, superposing and continuously tiling the 90 degree prepreg tape on a 0 degree wide tape plane, and hot-pressing and rolling the tape into 2-layer or 3-layer thermoplastic 0-90 degree continuous fiber prepreg tape rolls with the width of 2500-4000 mm under the traction and heating of a tape laying hot-pressing machine.
2. The method of making a thermoplastic continuous fiber prepreg tape spool tube of claim 1, wherein: the method is implemented in sequence as follows:
① 0-90 degree continuous fiber prepreg integrated tape roll manufacturing, wherein the 0 degree to 90 degree continuous fiber prepreg integrated tape is used as a 90 degree directional prepreg tape by a 0 degree prepreg tape with a single layer thickness of 0.2 mm-0.4 mm and a width of 500 mm-650 mm through cross cutting to a length of 2500 mm-4000 mm, 5-6 pieces of 0 degree prepreg tape rolls with a width of 500 mm-700 mm are closely arrayed in a wide band plane, the 90 degree directional prepreg tapes are superposed and continuously tiled on the 0 degree wide band plane, and the 2-layer or 3-layer thermoplastic 0 degree to 90 degree continuous fiber prepreg integrated tape rolls with a width of 2500 mm-4000 mm are rolled by hot pressing under traction and heating of a tape laying hot press;
② laminating a plastic film with width of 2500-4000 mm on the surface of a 0-90 DEG continuous fiber prepreg tape in a single layer or multiple layers, and hot-pressing and rolling the plastic film into a fused plastic film and prepreg tape fusion body with width of 2500-4000 mm under the traction and heating of a tape laying hot press;
③ winding the molten plastic film and the pre-impregnated tape fused body on a steel round tube mould to make an inner layer film;
④ rotating the steel round tube mould, winding the fused plastic film and the pre-soaking belt fused body around the steel round tube mould;
⑤ cutting off the plastic film after winding;
⑤, continuously rotating the steel circular tube die, winding and melting 0-90-degree continuous fiber prepreg integrated belts in a linear multi-layer manner, and rolling and melting 0-90-degree continuous fiber prepreg integrated belts until the designed layer number is reached;
⑥, winding and melting the 0-90 degree continuous fiber prepreg integrated belt one circle before the design layer number, laying a plastic film on the upper surface of the 0-90 degree continuous fiber prepreg integrated belt after laminating a single layer or a plurality of layers in advance, and hot-pressing and rolling the plastic film into a molten plastic film with the width of 2500-4000 mm and a prepreg belt fusion body to be wound into a surface layer film and a thermoplastic continuous fiber prepreg belt bobbin body under the traction and heating of a tape laying hot press;
⑦ naturally cooling and shaping the thermoplastic continuous fiber prepreg tape bobbin body;
⑧ removing the steel round tube mould;
⑨ the thermoplastic continuous fiber prepreg tape bobbin is removed.
3. The apparatus for use in a method of manufacturing a thermoplastic continuous fiber prepreg tape spool as defined in claim 2, wherein:
an upper layer film and lower layer film and prepreg tape combined unreeling machine (21) is arranged at the rearmost end of the production line;
an upper layer film and lower layer film and prepreg tape shearing machine (22) is arranged in front of the combined unreeling machine (21);
a tape laying heating and pressurizing machine (23) is arranged on the shearing machine (22);
a steel round pipe mould rotating machine (24) is arranged in front of the tape laying machine (23);
a heating device (25) is arranged on the inner side surface of the steel round tube mould rotating machine (24);
a polytetrafluoroethylene rolling device (26) is arranged on the outer side surface of the steel round tube die rotating machine (24).
4. A method of using the apparatus for making a continuous fiber prepreg tape spool as claimed in claim 3, characterized in that: the method is implemented in sequence according to the following steps:
loading the upper and lower layers of films with the width of 2500 mm-4000 mm and the prepreg tape into a combined unreeling machine (21);
starting a belt paving, heating and pressurizing machine (23) to a set temperature, and keeping the temperature for 30 minutes;
manually drawing the lower layer single-layer or multi-layer film and the prepreg tape to be laminated into a tape laying heating and pressurizing machine (23);
starting a tape laying heating and pressurizing machine to draw and manufacture a molten composite tape;
applying the molten composite tape to a steel circular tube mold;
starting a steel round tube die rotating machine (24) to linearly curl and melt the composite belt for one circle;
starting a film shearing machine to shear the lower film strip;
starting a heating device (25) to heat the surface of the continuous fiber prepreg integrated belt at 0-90 degrees and keep the surface in a molten state;
continuing to curl the prepreg tape until the number of layers is designed;
before the curled prepreg tape is left for one circle of length, laying a single-layer or multi-layer plastic film on the upper surface of the prepreg tape, and making a composite tape by entering a tape laying heating and pressurizing machine;
starting a prepreg tape shearing machine, integrally shearing the plastic and thermoplastic continuous fiber prepreg integrated tape to prepare a three-layer cylindrical pipe body with the inner layer and the outer layer being plastic films and the core layer being the thermoplastic continuous fiber prepreg integrated tape;
naturally cooling and shaping the three-layer cylindrical pipe body;
radially contracting the steel round pipe mould;
the steel round pipe mould is taken out from the shaped three-layer composite thermoplastic continuous fiber prepreg tape cylinder body.
5. The method of using a thermoplastic continuous fiber prepreg tape spool tube as claimed in claim 1, wherein: the pipe bodies (1) are sequentially connected in series after being abutted end to end, 0-90-degree thermoplastic continuous fiber prepreg integral belt rings with the width of 100-300 mm in a molten state are wound outside the pipe bodies (1), all the pipe bodies (1) are connected into a whole, and then cable sheath pipes, large-diameter pressure pipelines, structural cylinders or oil and gas storage cabinets are manufactured.
6. The method of using a thermoplastic continuous fiber prepreg tape spool tube as claimed in claim 1, wherein: and respectively welding and sticking thermoplastic continuous fiber prepreg tape plates at two ends of the pipe body (1) to prepare the oil, gas and water storage tank body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910055127.6A CN111457166A (en) | 2019-01-21 | 2019-01-21 | Thermoplastic continuous fiber prepreg reinforced thermoplastic composite pipe and manufacturing method thereof |
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|---|---|---|---|
| CN201910055127.6A CN111457166A (en) | 2019-01-21 | 2019-01-21 | Thermoplastic continuous fiber prepreg reinforced thermoplastic composite pipe and manufacturing method thereof |
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| CN111457166A true CN111457166A (en) | 2020-07-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112549694A (en) * | 2020-12-21 | 2021-03-26 | 赵培翔 | Wide fiber web reinforced plastic laminated composite sheet |
| CN114161745A (en) * | 2021-12-10 | 2022-03-11 | 永高股份有限公司 | Processing method for one-step molding of continuous fiber reinforced composite pipe |
-
2019
- 2019-01-21 CN CN201910055127.6A patent/CN111457166A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112549694A (en) * | 2020-12-21 | 2021-03-26 | 赵培翔 | Wide fiber web reinforced plastic laminated composite sheet |
| WO2022134481A1 (en) * | 2020-12-21 | 2022-06-30 | 赵培翔 | Wide fiber-mesh reinforced plastic laminated composite sheet material |
| CN114161745A (en) * | 2021-12-10 | 2022-03-11 | 永高股份有限公司 | Processing method for one-step molding of continuous fiber reinforced composite pipe |
| CN114161745B (en) * | 2021-12-10 | 2022-12-02 | 公元股份有限公司 | Processing method for one-step forming of continuous fiber reinforced composite pipe |
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