CN113007460A - Continuous fiber rope bundle reinforced elliptic stirrup joint ring corrugated pipe - Google Patents
Continuous fiber rope bundle reinforced elliptic stirrup joint ring corrugated pipe Download PDFInfo
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- CN113007460A CN113007460A CN202110240897.5A CN202110240897A CN113007460A CN 113007460 A CN113007460 A CN 113007460A CN 202110240897 A CN202110240897 A CN 202110240897A CN 113007460 A CN113007460 A CN 113007460A
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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
Abstract
The invention discloses a continuous fiber rope bundle reinforced elliptic stirrup joint ring corrugated pipe which comprises an inner-layer plastic pressure-bearing pipe, wherein a corrugated reinforcing pipe is wound on the outer wall of the inner-layer plastic pressure-bearing pipe, a reinforcing layer is arranged in an interval area of the corrugated reinforcing pipe, and the reinforcing layer and the corrugated reinforcing pipe are adhered to the outer wall of the inner-layer plastic pressure-bearing pipe in a melting mode. The corrugated pipe is integrally wound on the outer wall of the plastic inner-layer pipe in a stirrup ring mode, so that the overall pressure resistance, deformation resistance, impact resistance and abrasion resistance effects of the corrugated pipe are greatly improved, and especially the corrugated pipe can meet the requirements of 1600-3000 mm super-large pipe diameter, SN 12-24 KN/m2The use requirement of (2) fills the blank of the plastic rain sewage pipe.
Description
Technical Field
The invention relates to the technical field of pipes, in particular to a continuous fiber rope bundle reinforced elliptic stirrup joint ring corrugated pipe.
Background
At present, in a rainwater and sewage pipeline which is used in a large amount, the following technologies are adopted in a relatively centralized way: (1) a double-wall corrugated pipe made of a plastic material in a reinforcing way and a carat pipe made of an outer wall plastic pipeline in a reinforcing way; (2) a corrugated pipe wound by a steel strip made of metal reinforced plastics, a corrugated pipe wound by a rectangular steel strip and the like.
The rainwater sewage pipeline has small internal pressure, the pipeline mainly bears external pressure, and in order to meet and improve the requirement of bearing external pressure and save the pipeline manufacturing and cost reduction, the common method is to increase the local pipe wall thickness outside the pipeline to improve the value of the inertia moment of the pipeline structure, and then improve the external pressure strength (ring stiffness) borne by the pipeline, and the double-wall corrugated pipe and the external wall plastic pipeline reinforced Krah pipe are the technology. The rigidity of the pipeline ring is improved, the inertia moment is improved, the elasticity modulus of the material is improved, and the same effect is achieved.
However, the plastic material is used as the reinforcing material, one of the two is that the elastic modulus of the material is low, the reinforcing effect is not very obvious by increasing the thickness of the pipe wall, especially the effect of the pipeline with the pipe diameter larger than 600mm is not obvious, and the used material is multiplied along with the increase of the pipe diameter, so that the cost performance is not high.
If a metal material is used as a reinforcing material, the outer ring is a metal ring on the outer wall of the inner plastic pipe, the elastic modulus of the metal ring is up to more than 13000MPa, the metal ring has huge rebound force and is easy to corrode, the wound metal ring is bound with the inner plastic pipe by the plastic layer coated outside the ring wall in a melting way, so that the aim of compounding steel and plastic is fulfilled, but the metal ring and the inner plastic pipe are poor in melting way due to the poor strength of the plastic material, the rebound force of the metal ring cannot be bound after long-term use, so that the metal ring and the inner plastic pipe are separated, and the use of engineering is influenced.
The Chinese invention patent with the application number of CN202010216002.X discloses a circular-arc-shaped prepreg tape plate reinforced winding corrugated pipe, which comprises a plastic pressure-bearing pipe and a corrugated outer pipe, wherein the plastic pressure-bearing pipe and the corrugated outer pipe are compositely bonded together, and the circular-arc-shaped prepreg tape plate reinforced winding corrugated pipe has limited stress and external pressure stress resistance, is much smaller than that of a rectangular corrugated pipe, and is difficult to meet the requirements of 1200mm and SN8 KN/m2The pressure resistance of the rain and sewage pipe is required.
The Chinese patent with the application number of CN201811058931.1 discloses a hot-melt winding corrugated pipe of a thermoplastic continuous fiber prepreg braided rope, which is characterized in that: the hot melt winding corrugated pipe is composed of a plastic inner layer pipe and a thermoplastic continuous fiber prepreg braided rope continuously wound on the outer wall of the inner layer pipe. The technology of the patent directly adopts the thermoplastic continuous fiber pre-impregnated braided rope as a reinforcing body to be externally wound on the outer wall of the plastic inner-layer pipe, and due to the lack of the filling of the plastic oval pipe, the pipe diameter of the manufactured rainwater sewage is slightly small, and the fiber rope bundleThe enhanced sewage discharge ripple effect is not obvious, and the ripple pipeline is optimally suitable for DN 300-600 mm and SN8 KN/m2And (5) strength use requirements.
Disclosure of Invention
The invention aims to provide a continuous fiber rope bundle reinforced elliptic stirrup joint ring corrugated pipe, which solves the problem that the external pressure resistance of the existing rain sewage pipeline is insufficient.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to a continuous fiber rope bundle reinforced elliptic stirrup joint ring corrugated pipe which comprises an inner-layer plastic pressure-bearing pipe, wherein a corrugated reinforcing pipe is wound on the outer wall of the inner-layer plastic pressure-bearing pipe along the length direction, a reinforcing layer is arranged in an interval area of the corrugated reinforcing pipe, and the reinforcing layer and the corrugated reinforcing pipe are adhered to the outer wall of the inner-layer plastic pressure-bearing pipe in a melting way;
the corrugated reinforced pipe comprises a plastic inner core, wherein a winding stirrup is arranged on the outer wall of the plastic inner core, and the winding stirrup is wound and melt-adhered on the outer wall of the plastic inner core in a single-layer unidirectional spiral winding close arrangement state or a multilayer crossing close arrangement state by adopting thermoplastic continuous fiber pre-impregnated ropes.
Furthermore, the plastic inner core is a solid oval tube or a hollow oval tube.
Furthermore, when the plastic inner core is a hollow oval tube, a cross-shaped or vertical bar-shaped reinforcing rib is arranged in the hollow oval tube.
Furthermore, the reinforcing layer is formed by fusing and sticking a thermoplastic continuous fiber prepreg tape on the outer wall of the inner-layer plastic pressure-bearing pipe according to the winding angle of the corrugated reinforcing pipe.
Furthermore, the outer wall of the inner-layer plastic pressure-bearing pipe is provided with a spiral groove along the length direction, and the corrugated reinforcing pipe is wound in the spiral groove.
A manufacturing device of a continuous fiber rope bundle reinforced elliptic stirrup joint ring corrugated pipe comprises a first extruder, a first cooling device, a plate tractor, a plate crimping machine, a plate seam plastic welding machine, a corrugated reinforced pipe processing device, a reinforced layer processing device, a second cooling device, a pipe cutting machine and a pipe material frame which are sequentially arranged according to a processing sequence; a melt pump and an extrusion flat-mouth die are arranged on the extrusion end of the first extruder;
the corrugated reinforced pipe processing device comprises a second extruder, a third cooling device, a pre-impregnated rope bundle unwinding frame, a pre-impregnated rope bundle disc crimping machine, a cooling water tank, a corrugated reinforced pipe tractor and a first heating device; the extrusion end of the second extruder is provided with a plastic inner core extrusion die;
the reinforcing layer processing device comprises a third extruder glass fiber rope bundle unwinding reel and a second heating device; and the extrusion end of the third extruder is provided with a reinforced layer extrusion die.
Further, the first cooling device is provided with a cooling spray water tank with a plastic plate shaping sleeve;
the second cooling device is arranged as a cooling spray nozzle.
The third cooling device is a cooling spray vacuum water tank with a built-in sizing sleeve;
the first heating device and the second heating device are arranged as heating guns.
A production method of a continuous fiber rope bundle reinforced elliptic stirrup joint ring corrugated pipe comprises the following steps:
step one, starting a first extruder, a melt pump and an extrusion flat-mouth mold which are connected with the first extruder to produce a plastic melt with a groove;
starting a first cooling device, and cooling the plastic plate with the fixed groove;
starting a plate tractor to pull the plate;
starting a plate crimping machine to crimp the plate into a round pipe;
starting a plate seam plastic welding machine, and welding a circular pipe seam to manufacture an inner layer plastic pressure-bearing pipe;
step two, opening a second extruder to produce an inner core melt in advance through a plastic inner core extrusion die, cooling and shaping the inner core melt through a third cooling device to form a plastic inner core, placing the glass fiber pre-impregnated rope on a pre-impregnated rope bundle unwinding frame, guiding the glass fiber pre-impregnated rope and the cooled plastic inner core to a pre-impregnated rope bundle disc crimping machine together for processing, and cooling and shaping through a cooling water tank to form a corrugated pipe; the corrugated pipe is conveyed to the outer wall of the inner-layer plastic pressure-bearing pipe under the action of the corrugated reinforced pipe tractor and is wound and melt-adhered to the outer wall of the inner-layer plastic pressure-bearing pipe through the first heating device.
Placing the glass fiber rope bundles on a glass fiber rope bundle placing reel, starting a third extruder, coating a plurality of glass fiber rope bundles and plastic connecting strips by a melt extruded by the third extruder, extruding the glass fiber rope bundles and the plastic connecting strips from a reinforcing layer extrusion die, cooling to prepare continuous glass fiber rope binding bands which are arranged side by side, and winding and fusing the continuous glass fiber rope binding bands on the outer wall of the inner-layer plastic pressure-bearing pipe through a second heating device;
step four, opening a second cooling device, and cooling and shaping the continuous fiber rope bundle reinforced elliptical stirrup joint ring corrugated pipe;
and step five, starting the pipe cutting machine, and cutting the continuous fiber rope bundle reinforced elliptical stirrup joint ring corrugated pipe.
Compared with the prior art, the invention has the beneficial technical effects that:
the corrugated pipe is integrally wound on the outer wall of the plastic inner-layer pipe in a stirrup ring mode, so that the overall pressure resistance, deformation resistance, impact resistance and abrasion resistance effects of the corrugated pipe are greatly improved, and especially the corrugated pipe can meet the requirements of 1600-3000 mm super-large pipe diameter, SN 12-24 KN/m2The use requirement of (2) fills the blank of the plastic rain sewage pipe.
Drawings
The invention is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic structural view of a continuous fiber rope reinforced oval stirrup joint ring corrugated pipe of the present invention;
FIG. 2 is a schematic structural view of a corrugated reinforced pipe of the present invention;
FIG. 3 is a schematic view of the layout of the production apparatus of the present invention;
FIG. 4 is a schematic cross-sectional view of an extrusion flat die of the present invention;
FIG. 5 is a schematic view showing the layout of a production apparatus of the corrugated reinforced pipe processing apparatus of the present invention;
FIG. 6 is a schematic cross-sectional view of a plastic inner core extrusion die with in-line ribs according to the present invention;
FIG. 7 is a schematic cross-sectional view of a plastic core extrusion die with cross-shaped reinforcing ribs according to the present invention;
FIG. 8 is a schematic view of the production equipment layout of the reinforcement layer processing apparatus of the present invention;
fig. 9 is a schematic cross-sectional view of a reinforcing layer extrusion die of the present invention.
Description of reference numerals: 1. an inner plastic pressure-bearing pipe; 101. a spiral groove; 2. a corrugated reinforcing tube; 201. a plastic inner core; 202. winding stirrups; 3. an enhancement layer; 4. a first extruder; 401. a melt pump; 402. extruding a flat-mouth die; 5. a first cooling device; 6. a board tractor; 7. a plate crimping machine; 8. a plate seam plastic welding machine; 9. a corrugated reinforced pipe processing device; 901. a second extruder; 902. extruding the plastic inner core out of the die; 903. a third cooling device; 904. pre-impregnated rope bundle unwinding frame; 905. pre-impregnated rope bundle disc crimper; 906. A cooling water tank; 907. a corrugated reinforced pipe tractor; 908. a first heating device; 10. an enhancement layer processing device; 1001. a third extruder; 1002. a reinforcing layer extrusion die; 1003. placing the glass fiber rope bundle on a reel; 1004. a second heating device; 11. a second cooling device; 12. a pipe cutting machine;
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 and 2, the present embodiment discloses a continuous fiber rope reinforced oval stirrup section ring corrugated pipe, which includes an inner plastic pressure-bearing pipe 1, a corrugated reinforcing pipe 2 wound around the outer wall of the inner plastic pressure-bearing pipe 1 along the length direction, a reinforcing layer 3 disposed in the interval area of the corrugated reinforcing pipe 2, and the reinforcing layer 3 and the corrugated reinforcing pipe 2 are welded to the outer wall of the inner plastic pressure-bearing pipe 1. The corrugated reinforced pipe 2 prevents the inner layer plastic pressure bearing pipe 1 from deforming in a hoop form, and then the purpose of improving the external pressure bearing strength (ring stiffness) of the pipeline is achieved.
In order to facilitate the positioning of the corrugated reinforced pipe 2 during winding, a spiral groove 101 is formed in the outer wall of the inner-layer plastic pressure-bearing pipe 1 along the length direction, the corrugated reinforced pipe 2 is wound in the spiral groove 101, and in the embodiment, the cross section of the spiral groove 101 is a rectangular groove.
The corrugated reinforced pipe 2 comprises a plastic inner core 201, and a winding stirrup 202 is spirally wound on the outer wall of the plastic inner core 201. The winding stirrup 202 is formed by winding and fusing thermoplastic continuous fiber prepreg ropes on the outer wall of the plastic inner core 201 in a single-layer unidirectional close arrangement state or a multilayer crossed close arrangement state. The winding stirrup 202 prevents the plastic core 201 from deforming when subjected to external forces.
The plastic inner core 201 is a solid oval tube or a hollow oval tube. The plastic inner core 201 is easily wound by the external prepreg rope bundles by adopting an oval design, and has the best mechanical property under external pressure. When the plastic inner core 201 is a hollow oval tube, cross-shaped and vertical bar-shaped reinforcing ribs can be added to the hollow oval tube to improve the structural strength.
The reinforced layer 3 is fused and adhered on the outer wall of the inner plastic pressure-bearing pipe 1 according to the winding angle of the corrugated reinforced pipe 2 by adopting thermoplastic continuous fiber pre-impregnated rope bundles. The reinforcing layer 3 limits the deformation of the inner-layer plastic pressure-bearing pipe 1 in a stirrup mode, and meanwhile, the wall thickness of the inner-layer plastic pressure-bearing pipe 1 is increased, so that the overall rigidity of the corrugated pipe is greatly improved.
The thermoplastic continuous fiber pre-impregnated rope for manufacturing the reinforcing layer 3 is characterized in that a fiber tow with the surface modified by a silane coupling agent is integrally impregnated and coated by a thermoplastic melt to be made into a round strip with the wire diameter of 10-30 mm or a (10-30) mm multiplied by (20-30) mm rectangular single strip or a rectangular row strip formed by fusing and connecting 5-10 rope bundles.
As shown in fig. 3 and 4, in this embodiment, a manufacturing apparatus for a continuous fiber rope bundle reinforced elliptic stirrup joint ring corrugated pipe is further disclosed, which includes a first extruder 4, a first cooling device 5, a plate drawing machine 6, a plate crimping machine 7, a plate seam plastic welding machine 8, a corrugated reinforced pipe processing device 9, a reinforced layer processing device 10, a second cooling device 11, a pipe cutting machine 12, and a pipe material frame 13, which are sequentially arranged according to a processing sequence.
A melt pump 401 and an extrusion flat-mouth die 402 are arranged on the extrusion end of the first extruder 4; the first cooling device 5 is a cooling spray water tank with a plastic plate shaping sleeve; the second cooling device 11 is arranged to cool the shower nozzle.
As shown in fig. 5, the corrugated reinforced pipe processing device 9 includes a second extruder 901, a plastic inner core extrusion die 902, a third cooling device 903, a prepreg cord unwinding frame 904, a prepreg cord disc crimping machine 905, a cooling water tank 906, a corrugated reinforced pipe tractor 907, and a first heating device 908; a plastic core extrusion die 902 is mounted on the extrusion end of the second extruder 901.
The third cooling device 903 is provided as a cooling spray vacuum water tank 903 with a built-in sizing sleeve; a heating mould with a hollow round hole is arranged at the central position of the pre-impregnated rope bundle disc crimping machine 905, and a plurality of hollow round holes are arranged on the circumference of the heating mould; the first heating device 908 is provided as a heat gun.
As can be seen from the above, when the plastic core 201 is a hollow oval tube, as shown in fig. 6 and 7, cross-shaped and vertical bar-shaped reinforcing ribs can be added to the hollow oval tube to improve the structural strength thereof, and the plastic core extrusion mold 902 includes an outer mold and an inner core mold.
As shown in fig. 8 and 9, the reinforcing layer processing apparatus 10 includes a third extruder 1001, a reinforcing layer extrusion die 1002, a glass fiber cord bundle payout reel 1003, and a second heating apparatus 1004; the second heating device 1004 is provided as a heat gun. A reinforcing layer extrusion die 1002 is mounted on the extrusion end of the third extruder 1001.
The embodiment also discloses a production method of the continuous fiber rope bundle reinforced elliptic stirrup joint ring corrugated pipe, which comprises the following steps:
step one, starting a first extruder 4, a melt pump 401 and an extrusion flat-mouth mold 402 which are connected with the first extruder to produce a plastic melt with a groove;
starting the first cooling device 5, and cooling the plastic plate with the fixed groove;
starting the plate tractor 6 to draw the plate;
starting the plate crimping machine 7 to crimp the plate into a round pipe;
and opening a plate seam plastic welding machine 8, and welding a circular pipe seam to manufacture the inner-layer plastic pressure-bearing pipe 1.
And step two, opening the corrugated reinforced pipe processing device 9, and winding and melting the reinforced pipe to be attached to the outer wall of the inner-layer plastic pressure-bearing pipe 1.
Specifically, a second extruder 901 is started to produce an inner core melt in advance through a plastic inner core extrusion die 902, the inner core melt is cooled and shaped through a third cooling device 903 to form a plastic inner core 201, the glass fiber prepreg rope is placed on a prepreg rope bundle unreeling frame 904, the glass fiber prepreg rope and the cooled plastic inner core 201 are together guided to a prepreg rope bundle disc crimping machine 905 for processing, and the corrugated pipe 2 is formed through cooling and shaping of a cooling water tank 906; the corrugated pipe 2 is conveyed to the outer wall of the inner plastic pressure-bearing pipe 1 under the action of the corrugated reinforced pipe tractor 907, and is wound and fused on the outer wall of the inner plastic pressure-bearing pipe 1 through the first heating device 908. It should be noted that, the crimping machine 7 in the first step always drives the inner plastic pressure-bearing pipe 1 to rotate, and the corrugated pipe 2 is wound in the spiral groove 101 in the process of rotating the inner plastic pressure-bearing pipe 1.
And step three, starting the enhancement layer processing device 10, and winding and melting the enhancement layer 3 on the outer wall of the inner-layer plastic pressure-bearing pipe 1 in the gap of the corrugated enhancement pipe 2.
Specifically, the third extruder 1001 is started, the melt extruded by the third extruder 1001 coats a plurality of glass fiber rope bundles and plastic connecting strips, the glass fiber rope bundles and the plastic connecting strips are extruded from the reinforcing layer extrusion die 1002, continuous glass fiber rope bundles arranged side by side are manufactured through cooling, and the continuous glass fiber rope bundles are wound and fused on the outer wall of the inner plastic pressure-bearing pipe 1 through the second heating device 1004. The crimping machine 7 in the first step always drives the inner-layer plastic pressure-bearing pipe 1 to rotate, and continuous glass fiber rope binding belts are wound in the rotating process of the inner-layer plastic pressure-bearing pipe 1.
Step four, opening the second cooling device 11, and cooling and shaping the continuous fiber rope bundle reinforced elliptical stirrup joint ring corrugated pipe;
and step five, starting the pipe cutting machine, and cutting the continuous fiber rope bundle reinforced elliptical stirrup joint ring corrugated pipe.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (8)
1. The utility model provides a continuous fibers fag end reinforcing oval stirrup festival circle bellows which characterized in that: the corrugated reinforced plastic pressure-bearing pipe comprises an inner-layer plastic pressure-bearing pipe (1), wherein a corrugated reinforced pipe (2) is wound on the outer wall of the inner-layer plastic pressure-bearing pipe (1) along the length direction, reinforced layers (3) are arranged in interval areas of the corrugated reinforced pipe (2), and the reinforced layers (3) and the corrugated reinforced pipe (2) are adhered to the outer wall of the inner-layer plastic pressure-bearing pipe (1) in a melting mode;
the corrugated reinforced pipe (2) comprises a plastic inner core (201), a winding stirrup (202) is arranged on the outer wall of the plastic inner core (201), and the winding stirrup (202) is wound and melt-adhered to the outer wall of the plastic inner core (201) in a single-layer unidirectional spiral winding close arrangement state or a multilayer crossing close arrangement state by adopting thermoplastic continuous fiber pre-impregnated ropes.
2. The continuous fiber strand reinforced elliptical stirrup joint ring bellows of claim 2, wherein: the plastic inner core (201) is a solid oval tube or a hollow oval tube.
3. The continuous fiber rope reinforced oval stirrup nodal corrugated pipe according to claim 3, wherein: when the plastic inner core (201) is a hollow oval tube, a cross-shaped or vertical bar-shaped reinforcing rib is arranged in the hollow oval tube.
4. The continuous fiber strand reinforced elliptical stirrup nodal bellows of claim 1, wherein: the reinforcing layer (3) is formed by fusing and pasting a thermoplastic continuous fiber prepreg tape on the outer wall of the inner-layer plastic pressure-bearing pipe (1) according to the winding angle of the corrugated reinforcing pipe (2).
5. The continuous fiber strand reinforced elliptical stirrup nodal bellows of claim 1, wherein: the outer wall of the inner-layer plastic pressure-bearing pipe (1) is provided with a spiral groove (101) along the length direction, and the corrugated reinforcing pipe (2) is wound in the spiral groove (101).
6. The utility model provides a preparation equipment of continuous fiber rope bundle reinforcing oval stirrup joint circle bellows which characterized in that: the device comprises a first extruder (4), a first cooling device (5), a plate tractor (6), a plate crimping machine (7), a plate seam plastic welding machine (8), a corrugated reinforced pipe processing device (9), a reinforcing layer processing device (10), a second cooling device (11), a pipe cutting machine (12) and a pipe material frame (13) which are sequentially arranged according to a processing sequence; a melt pump (401) and an extrusion flat-mouth die (402) are arranged on the extrusion end of the first extruder (4);
the corrugated reinforced pipe processing device (9) comprises a second extruder (901), a third cooling device (903), a pre-impregnated rope bundle unreeling frame (904), a pre-impregnated rope bundle disc crimping machine (905), a cooling water tank (906), a corrugated reinforced pipe tractor (907) and a first heating device (908); the extrusion end of the second extruder (901) is provided with a plastic inner core extrusion die (902);
the reinforcing layer processing device (10) comprises a third extruder (1001), a glass fiber rope bundle unreeling disc (1003) and a second heating device (1004); and the extrusion end of the third extruder (1001) is provided with a reinforced layer extrusion die (1002).
7. The apparatus for manufacturing the continuous fiber rope reinforced oval stirrup joint ring corrugated pipe according to claim 6, wherein:
the first cooling device (5) is a cooling spray water tank with a plastic plate shaping sleeve;
the second cooling device (11) is arranged as a cooling spray nozzle.
The third cooling device (903) is provided with a cooling spray vacuum water tank (903) with a built-in sizing sleeve;
the first heating device (908) and the second heating device (1004) are provided as heat guns.
8. A production method of a continuous fiber rope bundle reinforced elliptic stirrup joint ring corrugated pipe is characterized by comprising the following steps: the method comprises the following steps:
step one, starting a first extruder (4), and a melt pump (401) and an extrusion flat-mouth die (402) which are connected with the first extruder to produce a plastic melt with a groove;
starting a first cooling device (5) to cool the plastic plate with the fixed groove;
starting a plate tractor (6) to draw the plate;
starting a plate crimping machine (7), and crimping the plate to form a round pipe;
opening a plate seam plastic welding machine (8), and welding a circular pipe seam to manufacture an inner layer plastic pressure-bearing pipe (1);
step two, a second extruder (901) is started to produce an inner core melt in advance through a plastic inner core extrusion die (902), the inner core melt is cooled and shaped through a third cooling device (903) to form a plastic inner core (201), the glass fiber prepreg rope is placed on a prepreg rope bundle unwinding frame (904), the glass fiber prepreg rope and the cooled plastic inner core (201) are together guided to a prepreg rope bundle disc crimping machine (905) to be processed, and the corrugated pipe (2) is formed through cooling and shaping of a cooling water tank (906); the corrugated pipe (2) is conveyed to the outer wall of the inner-layer plastic pressure-bearing pipe (1) under the action of a corrugated reinforced pipe tractor (907), and is wound and fused on the outer wall of the inner-layer plastic pressure-bearing pipe (1) through a first heating device (908).
Thirdly, placing the glass fiber rope bundles on a glass fiber rope bundle placing reel (1003), starting a third extruder (1001), extruding a plurality of glass fiber rope bundles and plastic connecting strips from a reinforcing layer extruding die (1002) by using a melt extruded by the third extruder (1001) to be cooled to prepare continuous glass fiber rope binding bands which are arranged side by side, and winding and fusing the continuous glass fiber rope binding bands on the outer wall of the inner-layer plastic pressure-bearing pipe (1) through a second heating device (1004);
step four, opening a second cooling device (11), and cooling and shaping the continuous fiber rope bundle reinforced elliptical stirrup joint ring corrugated pipe;
and step five, starting the pipe cutting machine, and cutting the continuous fiber rope bundle reinforced elliptical stirrup joint ring corrugated pipe.
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| CN202110240897.5A CN113007460B (en) | 2021-03-04 | 2021-03-04 | Continuous fiber rope reinforced elliptical stirrup joint ring corrugated pipe |
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| CN202110240897.5A CN113007460B (en) | 2021-03-04 | 2021-03-04 | Continuous fiber rope reinforced elliptical stirrup joint ring corrugated pipe |
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| CN109027446A (en) * | 2018-09-12 | 2018-12-18 | 上海英泰塑胶股份有限公司 | Thermoplastic continuous fibers presoak kernmantle hot melt winding bellows and its manufacturing equipment |
| CN110630828A (en) * | 2019-10-10 | 2019-12-31 | 张家港戴恩机械有限公司 | Hollow wall porous ribbed winding corrugated pipe |
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