CN113927860A - Thermoplastic prepreg glass fiber tape winding straight pipe fitting and manufacturing method thereof - Google Patents
Thermoplastic prepreg glass fiber tape winding straight pipe fitting and manufacturing method thereof Download PDFInfo
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- CN113927860A CN113927860A CN202111140033.2A CN202111140033A CN113927860A CN 113927860 A CN113927860 A CN 113927860A CN 202111140033 A CN202111140033 A CN 202111140033A CN 113927860 A CN113927860 A CN 113927860A
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0021—Combinations of extrusion moulding with other shaping operations combined with joining, lining or laminating
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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
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a thermoplastic pre-impregnated glass fiber tape winding straight pipe fitting and a manufacturing method thereof, belonging to the technical field of thermoplastic straight pipe fittings. According to the invention, the winding cylinder is obliquely arranged, so that the steel wires wound with the fiber bundles are obliquely wound on the outer side of the inner liner of the thermoplastic straight pipe fitting, and the winding coils of two adjacent steel wires on the inner liner of the thermoplastic straight pipe fitting are oblique and contacted with each other, when the thermoplastic straight pipe fitting is bent, the inner liner of the thermoplastic straight pipe fitting is protected by a plurality of fiber wires, and the integral bending resistance of the thermoplastic straight pipe fitting is improved.
Description
Technical Field
The invention relates to the technical field of thermoplastic straight pipe fittings, in particular to a thermoplastic prepreg glass fiber tape winding straight pipe fitting and a manufacturing method thereof.
Background
The continuous fiber reinforced thermoplastic straight pipe pipeline system has the advantages of high pressure resistance, high heat resistance, corrosion resistance, long service life, low cost, simple process and the like, can be widely applied to natural gas long-distance pipe networks, oil field gathering and transportation pipe networks, industrial and chemical medium conveying pipe networks, municipal water supply heat conveying pipe networks and the like, can gradually replace metal pipelines, plastic pipelines and metal plastic thermoplastic straight pipe pipelines thereof, and has wide application and large demand.
When a thermoplastic straight pipe fitting is processed, a fiber winding process is usually used for winding fibers on a formed inner pipe, then fiber bundles soaked with resin are wound on the cylindrical inner pipe in a certain direction under the control of tension, the fiber bundles are subjected to demolding treatment after heating, curing and forming to obtain a fiber yarn winding type thermoplastic straight pipe fitting, in the process of winding the fiber bundles, generally, one fiber bundle is directly vertically and spirally wound on the inner pipe, the integral strength of the thermoplastic straight pipe fitting is increased by multi-layer winding, but the multi-layer winding process is complex and inconvenient, meanwhile, the fiber bundles are vertically and spirally wound on the inner pipe, when the thermoplastic straight pipe fitting is bent, two adjacent vertically wound fiber bundle rings can be unfolded towards two ends, so that only one fiber bundle is connected with two ends of the bent part when the thermoplastic straight pipe fitting is bent, when the pipe fitting is easy to arrive, the whole bending resistance effect of the thermoplastic straight pipe fitting is poor, and the use is inconvenient.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to solve the technical problem of providing a thermoplastic prepreg glass fiber tape winding straight pipe fitting and a manufacturing method thereof, wherein a winding cylinder is obliquely arranged, and the winding cylinder is enabled to rotate for a distance of the width of a steel wire wound with a fiber bundle, so that the steel wire wound with the fiber bundle is obliquely and uniformly wound on the outer side of the inner liner layer of the thermoplastic straight pipe fitting, the inclined and mutual contact of two adjacent steel wire winding rings on the inner liner layer of the thermoplastic straight pipe fitting is presented, the inclined and mutual lap joint design of the two adjacent steel wire winding rings when the thermoplastic straight pipe fitting is bent can increase the connectivity between the two adjacent steel wire winding rings in the inner liner layer of the thermoplastic straight pipe fitting with the same length, and the protection of the inner liner layer of the thermoplastic straight pipe fitting by a plurality of fiber wires when the thermoplastic straight pipe fitting is bent, thereby improving the integral bending resistance of the thermoplastic straight pipe fitting and being convenient to use.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme:
a method for manufacturing a thermoplastic prepreg glass fiber tape winding straight pipe fitting, wherein the fiber winding thermoplastic straight pipe fitting is formed by compounding a thermoplastic straight pipe fitting inner liner layer, a fiber winding layer and an outer protective layer, and the production process of the fiber winding thermoplastic straight pipe fitting comprises the following steps:
s1, putting the selected polyethylene resin or polypropylene resin, the stabilizer, the processing aid and the like into a mixer in sequence, mixing at a high speed, then stirring at a low speed to reduce the mixing temperature, stirring to form clinker, then putting into a storage tank, and standing for later use;
s2, adding the raw materials into a charging barrel of a conical double-screw extruder, plasticizing and melting the raw materials in the conical double-screw extruder at a certain speed, obtaining a thermoplastic straight pipe part lining layer through the extruder head, cooling the thermoplastic straight pipe part lining layer, and winding steel wires on the thermoplastic straight pipe part lining layer through the inner part of a winding barrel by using tractors at the tops of supporting bases at two sides of the supporting barrel;
s3, inserting the inner liner of the thermoplastic straight pipe fitting into the winding drum through a tractor, then providing electric support for a first driving motor and a second driving motor through an external power supply, driving the first gear disc to rotate through the first driving motor, driving the winding drum to rotate through the mutual meshing of the first gear disc and the first annular rack, winding the steel wire wound with fiber bundles on the outer side of the winding drum along with the slow movement of the inner liner of the thermoplastic straight pipe fitting, paying off the steel wire wound on the steel wire winding drum under the action of the second driving motor, guiding the steel wire through a first guide roller and a second guide roller, synchronously driving the second right gear and a transmission rod to rotate through the mutual meshing of the first right gear and the second right gear in the rotary paying off process of the steel wire winding drum, and fixing the third right gear with the bottom end of the transmission rod through the third right gear, then driving a right-angle gear III to rotate, and simultaneously enabling the right-angle gear III to be meshed with an annular rack on the outer side of the thread passing cylinder, so that the thread passing cylinder is driven to rotate in the rotating process of the right-angle gear III, winding the fiber bundles wound on the fiber yarn winding roller on the steel wires in the autorotation process of the thread passing cylinder, and then winding the steel wires wound with the fiber bundles on the outer side of the inner lining layer of the thermoplastic straight pipe fitting through the autorotation of the winding cylinder;
s4, sequentially passing the lining layer of the thermoplastic straight pipe fitting wound with the fiber bundles and the steel wires through a traction machine, positioning by a positioning ring and heating by a heating system, sending the lining layer into an extruder, coating the outer protective layer by the extruder, and cooling after coating to obtain the thermoplastic straight pipe fitting.
A manufacturing method of a thermoplastic prepreg glass fiber tape winding straight pipe fitting comprises a steel wire winding device for winding a thermoplastic straight pipe fitting inner liner by a steel wire in S, and the steel wire winding device comprises a thermoplastic straight pipe fitting inner liner, a winding cylinder and a supporting base, wherein the supporting cylinder is fixed at the top of the supporting base, the inside of the supporting cylinder is connected with the winding cylinder in an inclined and rotating mode through a bearing, an annular rack I is arranged on the outer side of the winding cylinder, a driving motor I is installed at the bottom end inside the supporting cylinder at the position of the annular rack I, the output end of the driving motor I is connected with a gear disc I meshed with the annular rack I, the thermoplastic straight pipe fitting inner liner is transversely inserted into the middle position at the top of the winding cylinder, a supporting partition plate is fixed inside the winding cylinder at the outer side of the thermoplastic straight pipe fitting inner liner, and the middle position of the supporting partition plate is connected with a wire passing cylinder in a rotating mode through a bearing, and the outer sides of the upper end and the lower end of the wire passing cylinder are fixed with a fiber winding roller support frame, the inner part of the fiber winding roller support frame is clamped with a rotatable fiber winding roller, the fiber winding roller is wound with fiber bundles, the outer side of the wire passing cylinder at the top of the support clapboard is provided with a ring-shaped rack II, the inner side wall of the winding cylinder right above the wire passing cylinder is fixed with a steel wire winding roller support frame, the inner part of the steel wire winding roller support frame is clamped and is rotationally connected with a steel wire winding roller, the steel wire winding roller is wound with a steel wire, the outer side of the steel wire winding roller support frame at the left end of the steel wire winding roller is provided with a driving motor II, the output end of the driving motor II is connected with the steel wire winding roller, the outer side of the steel wire winding roller support frame at the right end of the steel wire winding roller is connected with a right angle gear I, a transmission rod is vertically and rotationally connected with the right angle gear I in a vertical mode, and the top of the transmission rod is fixed with a right angle gear II which is mutually meshed with the right angle gear I, and a right-angle gear III meshed with the annular rack II is fixed at the bottom end of the transmission rod, and an L-shaped support frame is fixed at the bottom of the support partition plate.
Preferably, the top of the supporting base on two sides of the supporting cylinder is fixed with a tractor, and the inner liner of the thermoplastic straight pipe penetrates through the tractor on the left side of the supporting base, the winding cylinder and the tractor on the right side of the supporting base from left to right in sequence.
Preferably, the middle position of the bottom of the inner side of the steel wire winding roller support frame is symmetrically provided with a first guide roller for guiding the steel wire.
Preferably, the position of the L-shaped support frame right below the wire passing cylinder is symmetrically provided with a second guide roller for guiding the steel wire.
3. Advantageous effects
(1) The invention drives the first gear disc to rotate through the first driving motor, drives the winding drum to rotate through the mutual meshing of the first gear disc and the first annular rack, winds the steel wires wound with fiber bundles on the outer side of the winding drum along with the slow movement of the inner liner of the thermoplastic straight pipe, pays off the steel wires wound on the steel wire winding roller under the action of the second driving motor, guides the steel wires through the first guide roller and the second guide roller, synchronously drives the second right-angle gear and the transmission rod to rotate through the mutual meshing of the first right-angle gear and the second right-angle gear in the rotating paying-off process of the steel wire winding roller, fixes the third right-angle gear with the bottom end of the transmission rod, then drives the third right-angle gear to rotate, and simultaneously drives the third right-angle gear to rotate through the mutual meshing of the third right-angle gear and the second annular rack on the outer side of the wire passing drum in the rotating process, twine the fibre bundle of winding on the fibre silk winding roller on the in-process of bobbin rotation on the steel wire, then in the rotation through the winding bobbin, the steel wire that will twine the fibre bundle twines in the outside of thermoplasticity straight tube spare inner liner, on the one hand through twine the fibre bundle on the steel wire on direct twine on thermoplasticity straight tube spare inner liner, the thickness of thermoplasticity straight tube spare inner liner outside fibre has been increased in the intangible, multi-level winding effect has been realized, the holistic anti extrusion's of thermoplasticity straight tube spare effect has been improved, on the other hand, utilize the effect of the standing horse when buckling or curling of steel wire self to stereotype, prevent the slip of fibre silk, conveniently make the winding of carrying on that the fibre silk can be even, the holistic anti extrusion effect of thermoplasticity straight tube spare and the anti effect of buckling have further been improved.
(2) The invention arranges the winding drum in an inclined way, and leads the winding drum to rotate a circle of the lining layer of the thermoplastic straight pipe fitting to advance by the distance of the width of the steel wire wound with the fiber bundle, so that the steel wire wound with the fiber bundle is wound on the outer side of the lining layer of the thermoplastic straight pipe fitting in an inclined way and is uniformly arranged, and the phenomenon that two adjacent steel wire winding rings on the lining layer of the thermoplastic straight pipe fitting are inclined and contacted with each other is shown, compared with the prior art that the fiber wire rings are vertically and spirally wound, when the invention is bent on the outer side of the lining layer of the thermoplastic straight pipe fitting with the same length, two adjacent vertically wound fiber bundle rings in the prior art can be unfolded towards two ends, only one fiber bundle is connected with two ends of the bent part when the thermoplastic straight pipe fitting is bent, the whole bending resistance effect of the thermoplastic straight pipe fitting is poor when the thermoplastic straight pipe fitting is bent, and the two adjacent steel wire winding rings are inclined and overlapped when the thermoplastic straight pipe fitting is bent in the invention, can increase the connectivity between two adjacent steel wire winding circles in the straight pipe fitting inside lining layer of same length thermoplasticity for the straight pipe fitting of thermoplasticity carries out many cellosilks and protects the straight pipe fitting inside thermoplasticity inner liner of pipe fitting when taking place to buckle, thereby improves the holistic anti bending performance of the straight pipe fitting of thermoplasticity, convenient to use.
In conclusion, the invention arranges the winding drum obliquely, and leads the winding drum to rotate for a distance of the width of the steel wire wound with the fiber bundle from the inner liner of the thermoplastic straight pipe fitting, so that the steel wires wound with the fiber bundles are wound on the outer side of the inner liner of the thermoplastic straight pipe in an inclined and uniform arrangement manner to present that two adjacent steel wire winding coils on the inner liner of the thermoplastic straight pipe are inclined and contacted with each other, the design that the two adjacent steel wire winding coils are inclined and mutually overlapped when the thermoplastic straight pipe fitting is bent can increase the connectivity between the two adjacent steel wire winding coils in the lining layer of the thermoplastic straight pipe fitting with the same length, the thermoplastic straight pipe fitting is protected by the inner liner of the thermoplastic straight pipe fitting through the plurality of fiber yarns when the thermoplastic straight pipe fitting is bent, so that the overall bending resistance of the thermoplastic straight pipe fitting is improved, and the use is convenient.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the winding cylinder of the present invention;
FIG. 3 is a schematic view of the top structure of the support spacer of the present invention.
Reference numerals: 1. a thermoplastic straight pipe piece inner liner; 2. a support cylinder; 3. a first annular rack; 4. a winding drum; 5. driving a motor I; 6. a first gear disc; 7. a support base; 8. a filament winding roller; 9. a second driving motor; 10. a steel wire winding roller; 11. a steel wire; 12. supporting the partition plate; 13. a fiber filament winding roller support frame; 14. a first guide roller; 15. a first right-angle gear; 16. a right-angle gear II; 17. a transmission rod; 18. a right-angle gear III; 19. a wire passing cylinder; 20. a second guide roller; 21. a fiber bundle; 22. a second annular rack; 23. an "L" shaped support frame; 24. a steel wire winding roller support frame; 25. a tractor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1-3, the method for manufacturing the thermoplastic prepreg glass fiber tape winding straight pipe fitting comprises the following steps:
s1, putting the selected polyethylene resin or polypropylene resin, the stabilizer, the processing aid and the like into a mixer in sequence, mixing at a high speed, then stirring at a low speed to reduce the mixing temperature, stirring to form clinker, then putting into a storage tank, and standing for later use;
s2, adding the raw materials into a charging barrel of a conical double-screw extruder, plasticizing and melting the raw materials in the conical double-screw extruder at a certain speed, obtaining a thermoplastic straight pipe fitting lining layer 1 through the head of the extruder, cooling the thermoplastic straight pipe fitting lining layer 1, and winding steel wires 11 on the thermoplastic straight pipe fitting lining layer 1 through the winding barrel 4 by using the cooled thermoplastic straight pipe fitting lining layer 1 through a tractor 25 at the top of the supporting bases 7 at the two sides of the supporting barrel 2;
s3, inserting the thermoplastic straight pipe fitting lining layer 1 into the winding drum 4 through the tractor 25, then providing electric support for the driving motor I5 and the driving motor II 9 through an external power supply, driving the gear disc I6 to rotate through the driving motor I5, driving the winding drum 4 to rotate through the mutual meshing of the gear disc I6 and the annular rack I3, winding the steel wire 11 wound with the fiber bundle 21 on the outer side of the winding drum 1 along with the slow movement of the thermoplastic straight pipe fitting lining layer 1, paying off the steel wire 11 wound on the steel wire winding roller 10 under the action of the driving motor II 9, guiding the steel wire 11 through the guide roller I14 and the guide roller II 20, and synchronously driving the right angle gear II 16 and the transmission rod 17 to rotate through the mutual meshing of the right angle gear I15 and the right angle gear II 16 in the rotating paying off process of the steel wire winding roller 10, the right-angle gear III 18 is fixed with the bottom end of the transmission rod 17, then the right-angle gear III 18 is driven to rotate, meanwhile, the right-angle gear III 18 is meshed with the annular rack II 22 on the outer side of the thread passing cylinder 19, so that the thread passing cylinder 19 is driven to rotate by the right-angle gear III 18 in the rotating process, the fiber bundles 21 wound on the fiber yarn winding roller 8 are wound on the steel wires 11 in the autorotation process of the thread passing cylinder 19, and then the steel wires 11 wound with the fiber bundles 21 are wound on the outer side of the inner liner 1 of the thermoplastic straight pipe fitting through the autorotation of the winding cylinder 4;
s4, sequentially passing the thermoplastic straight pipe fitting lining layer 1 wound with the fiber bundles 21 and the steel wires 11 through a traction machine 25, positioning by a positioning ring and heating by a heating system, sending the heated thermoplastic straight pipe fitting lining layer into an extruder, coating an outer protection layer by the extruder, and cooling after coating to obtain the thermoplastic straight pipe fitting.
A manufacturing method of a thermoplastic prepreg glass fiber tape winding straight pipe fitting comprises a steel wire 11 winding device for winding a steel wire 11 on a thermoplastic straight pipe fitting inner liner 1 in S3, and comprises the thermoplastic straight pipe fitting inner liner 1, a winding drum 4 and a supporting base 7, wherein the top of the supporting base 7 is fixed with the supporting drum 2, the inside of the supporting drum 2 is connected with the winding drum 4 in an inclined and rotating manner through a bearing, an annular rack I3 is arranged on the outer side of the winding drum 4, a driving motor I5 is arranged at the bottom end inside the supporting drum 2 at the position of the annular rack I3, the output end of the driving motor I5 is connected with a gear disc I6 which is meshed with the annular rack I3, the thermoplastic straight pipe fitting inner liner 1 is transversely inserted at the middle position of the top of the winding drum 4, a supporting partition plate 12 is fixed inside the winding drum 4 at the outer side of the thermoplastic straight pipe fitting inner liner 1, and a wire passing drum 19 is rotatably connected at the middle position of the supporting partition plate 12 through a bearing, and the outer sides of the upper and lower ends of the wire passing cylinder 19 are fixed with a fiber winding roller support frame 13, the inner clamping of the fiber winding roller support frame 13 is provided with a rotatable fiber winding roller 8, the fiber winding roller 8 is wound with fiber bundles 21, the outer side of the wire passing cylinder 19 at the top of the support baffle plate 12 is provided with a ring-shaped rack II 22, the inner side wall of the winding cylinder 4 right above the wire passing cylinder 19 is fixed with a steel wire winding roller support frame 24, the inner clamping of the steel wire winding roller support frame 24 is rotationally connected with a steel wire winding roller 10, the steel wire winding roller 10 is wound with a steel wire 11, the outer side of the steel wire winding roller support frame 24 at the left end of the steel wire winding roller 10 is provided with a driving motor II 9, the output end of the driving motor II 9 is connected with the steel wire winding roller 10, the outer side of the steel wire winding roller support frame 24 at the right end of the steel wire winding roller 10 is connected with a right angle gear I15, and a transmission rod 17 is vertically and rotatably connected below the first right-angle gear 15, a second right-angle gear 16 which is mutually meshed with the first right-angle gear 15 is fixed at the top of the transmission rod 17, a right-angle gear third 18 which is meshed with the annular rack second 22 is fixed at the bottom end of the transmission rod 17, an L-shaped support frame 23 is fixed at the bottom of the support clapboard 12, a tractor 25 is fixed at the top of the support base 7 at the two sides of the support cylinder 2, and the thermoplastic straight pipe inner liner 1 transversely passes through the tractor 25 on the left side of the supporting base 7, the winding drum 4 and the tractor 25 on the right side of the supporting base 7 from left to right in sequence, the middle position of the bottom of the inner side of the steel wire winding roller support frame 24 is symmetrically provided with a first guide roller 14 for guiding the steel wire 11, and two guide rollers 20 for guiding the steel wire 11 are symmetrically arranged at the position of an L-shaped support frame 23 right below the wire passing cylinder 19.
The specific operation principle of the steel wire 11 winding device for winding the steel wire 11 on the thermoplastic straight pipe member inner liner layer 1 in S3 is as follows:
firstly, inserting a thermoplastic straight pipe fitting lining layer 1 into a winding drum 4, then providing electric support for a driving motor I5 and a driving motor II 9 through an external power supply, driving a gear disc I6 to rotate through the driving motor I5, driving the winding drum 4 to rotate through the mutual meshing of the gear disc I6 and an annular rack I3, winding a steel wire 11 wound with a fiber bundle 21 on the outer side of the winding drum 1 along with the slow movement of the thermoplastic straight pipe fitting lining layer 1, paying off the steel wire 11 wound on a steel wire winding roller 10 under the action of a driving motor II 9, guiding the steel wire 11 through a guide roller I14 and a guide roller II 20, and synchronously driving a right angle gear II 16 and a transmission rod 17 to rotate through the mutual meshing of a right angle gear I15 and a right angle gear II 16 in the rotary paying-off process of the steel wire winding roller 10, the right-angle gear III 18 is fixed with the bottom end of the transmission rod 17, then the right-angle gear III 18 is driven to rotate, meanwhile, the right-angle gear III 18 is meshed with the annular rack II 22 on the outer side of the thread passing cylinder 19, so that the thread passing cylinder 19 is driven to rotate by the right-angle gear III 18 in the rotating process, the fiber bundle 21 wound on the fiber yarn winding roller 8 is wound on the steel wire 11 in the autorotation process of the thread passing cylinder 19, then the steel wire 11 wound with the fiber bundle 21 is wound on the outer side of the thermoplastic straight pipe lining layer 1 through the autorotation of the winding cylinder 4, on one hand, the fiber bundle 21 is wound on the steel wire 11 and is directly wound on the thermoplastic straight pipe lining layer 1, the thickness of the fiber yarn on the outer side of the thermoplastic straight pipe lining layer 1 is invisibly increased, the multilayer winding effect is realized, and the overall anti-extrusion effect of the thermoplastic straight pipe is improved, on the other hand, the effect of setting immediately when the steel wire 11 is bent or curled is utilized to prevent the fiber from sliding, so that the fiber can be wound uniformly, the overall anti-extrusion effect and anti-bending effect of the thermoplastic straight pipe are further improved, meanwhile, the winding drum 4 is arranged obliquely, the winding drum 4 is enabled to rotate around the thermoplastic straight pipe lining layer 1 by the width of the steel wire 11 wound with the fiber bundle 21, the steel wire 11 wound with the fiber bundle 21 is obliquely and uniformly arranged and wound on the outer side of the thermoplastic straight pipe lining layer 1, the phenomenon that two adjacent steel wire 11 winding rings on the thermoplastic straight pipe lining layer 1 are oblique and contacted with each other is presented, compared with the prior art that the fiber wire rings are wound in a vertical spiral manner, when the outer side of the thermoplastic straight pipe lining layer 1 with the same length is bent, in the prior art, only one limiting wire has an anti-bending effect on the thermoplastic straight pipe fitting inner liner 1, and due to the design that the two adjacent steel wire 11 winding rings are inclined and mutually overlapped when the thermoplastic straight pipe fitting is bent, the connectivity between the two adjacent steel wire 11 winding rings in the thermoplastic straight pipe fitting inner liner 1 with the same length can be increased, so that the thermoplastic straight pipe fitting is protected by a plurality of fiber wires when the thermoplastic straight pipe fitting is bent, the integral anti-bending performance of the thermoplastic straight pipe fitting is improved, and the use is convenient.
From the above, the winding cylinder 4 is obliquely arranged, and the winding cylinder 4 is advanced by the width of the steel wire 11 wound with the fiber bundle 21 from the thermoplastic straight pipe fitting lining layer 1 by one circle, so that the steel wires 11 wound with the fiber bundle 21 are obliquely and uniformly arranged and wound on the outer side of the thermoplastic straight pipe fitting lining layer 1, the inclination and mutual contact of the adjacent two steel wire 11 winding rings on the thermoplastic straight pipe fitting lining layer 1 are presented, the inclination and mutual lap joint of the adjacent two steel wire 11 winding rings when the thermoplastic straight pipe fitting is bent are designed, the connectivity between the adjacent two steel wire 11 winding rings in the thermoplastic straight pipe fitting lining layer 1 with the same length can be increased, the protection of the thermoplastic straight pipe fitting lining layer 1 in the thermoplastic straight pipe fitting by a plurality of fiber yarns when the thermoplastic straight pipe fitting is bent is carried out, and the overall bending resistance of the thermoplastic straight pipe fitting is improved, is convenient to use.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (5)
1. The manufacturing method of the thermoplastic prepreg glass fiber tape winding straight pipe fitting is characterized in that the fiber winding thermoplastic straight pipe fitting is formed by compounding a thermoplastic straight pipe fitting inner liner (1), a fiber winding layer and an outer protection layer, and the production process of the fiber winding thermoplastic straight pipe fitting comprises the following steps:
s1, putting the selected polyethylene resin or polypropylene resin, the stabilizer and the processing aid into a mixer in sequence, mixing at a high speed, stirring at a low speed to reduce the mixing temperature, stirring to form clinker, and then putting into a storage tank for standby;
s2, adding raw materials into a charging barrel of a conical double-screw extruder, plasticizing and melting the raw materials in the conical double-screw extruder at a certain speed, obtaining a thermoplastic straight pipe piece lining layer (1) through an extruder head, cooling the thermoplastic straight pipe piece lining layer (1), and winding steel wires (11) on the thermoplastic straight pipe piece lining layer (1) through the inner part of a winding barrel (4) by using a tractor (25) at the top of a supporting base (7) at two sides of the supporting barrel (2);
s3, inserting the thermoplastic straight pipe fitting lining layer (1) into the winding drum (4) through a tractor (25), then providing electric support for a driving motor I (5) and a driving motor II (9) through an external power supply, driving the gear disc I (6) to rotate through the driving motor I (5), driving the winding drum (4) to rotate through the mutual meshing of the gear disc I (6) and the annular rack I (3), winding the steel wire (11) wound with the fiber bundle (21) on the outer side of the winding drum (1) along with the slow movement of the thermoplastic straight pipe fitting lining layer (1), paying off the steel wire (11) wound on the steel wire winding roller (10) under the action of the driving motor II (9), guiding the steel wire (11) through the guide roller I (14) and the guide roller II (20), and simultaneously in the rotating paying off process of the steel wire winding roller (10), the right-angle gear II (16) and the transmission rod (17) are synchronously driven to rotate by mutual meshing of the right-angle gear I (15) and the right-angle gear II (16), the right-angle gear III (18) is fixed to the bottom end of the transmission rod (17), then the right-angle gear III (18) is driven to rotate, meanwhile, the right-angle gear III (18) is meshed with the annular rack II (22) on the outer side of the thread passing cylinder (19) mutually, so that the thread passing cylinder (19) is driven to rotate by the right-angle gear III (18) in the rotating process, the fiber bundle (21) wound on the fiber yarn winding roller (8) is wound on the steel wire (11) in the self-rotating process of the thread passing cylinder (19), and then the steel wire (11) wound with the fiber bundle (21) is wound on the outer side of the thermoplastic straight pipe fitting lining layer (1) through the self-rotating process of the winding cylinder (4);
s4, sequentially drawing the thermoplastic straight pipe fitting lining layer (1) wound with the fiber bundles (21) and the steel wires (11) through a drawing machine (25), positioning through a positioning ring, heating through a heating system, conveying to an extruder, coating an outer protection layer through the extruder, and cooling after coating to obtain the thermoplastic straight pipe fitting.
2. The manufacturing method of the thermoplastic prepreg glass fiber tape winding straight pipe fitting is characterized in that a steel wire (11) winding device for winding the steel wire (11) on a thermoplastic straight pipe fitting inner liner (1) in S3 comprises the thermoplastic straight pipe fitting inner liner (1), a winding cylinder (4) and a supporting base (7), wherein a supporting cylinder (2) is fixed at the top of the supporting base (7), the inside of the supporting cylinder (2) is connected with the winding cylinder (4) in an inclined and rotating manner through a bearing, a first annular rack (3) is arranged on the outer side of the winding cylinder (4), a first driving motor (5) is installed at the bottom end inside the supporting cylinder (2) at the position of the first annular rack (3), the output end of the first driving motor (5) is connected with a first gear disc (6) meshed with the first annular rack (3), and the thermoplastic straight pipe fitting (1) is transversely inserted at the middle position of the top of the winding cylinder (4), and a supporting clapboard (12) is fixed inside a winding drum (4) outside the inner liner (1) of the thermoplastic straight pipe piece, the middle position of the supporting clapboard (12) is rotatably connected with a thread passing drum (19) through a bearing, the outer sides of the upper end and the lower end of the thread passing drum (19) are fixed with a fiber yarn winding drum support frame (13), the inner part of the fiber yarn winding drum support frame (13) is clamped with a rotatable fiber yarn winding drum (8), a fiber bundle (21) is wound on the fiber yarn winding drum (8), the outer side of the thread passing drum (19) at the top of the supporting clapboard (12) is provided with a ring-shaped rack II (22), a steel wire winding drum support frame (24) is fixed on the inner side wall of the winding drum (4) right above the thread passing drum (19), the inner part of the steel wire winding drum support frame (24) is clamped and rotatably connected with a steel wire winding drum (10), and a steel wire (11) is wound on the steel wire winding drum (10), driving motor two (9) are installed in steel wire winding roller support frame (24) outside of steel wire winding roller (10) left end, and the output and the steel wire winding roller (10) of driving motor two (9) are connected, the steel wire winding roller support frame (24) outside of steel wire winding roller (10) right-hand member is connected with right angle gear (15), and the vertical rotation in right angle gear (15) below is connected with transfer line (17), the top of transfer line (17) is fixed with right angle gear two (16) with right angle gear (15) intermeshing, the bottom mounting of transfer line (17) has three (18) of right angle gear with two (22) intermeshing of annular rack, the bottom mounting of supporting baffle (12) is fixed with "L" type support frame (23).
3. The manufacturing method of the thermoplastic prepreg glass fiber tape winding straight pipe fitting according to claim 2, characterized in that tractors (25) are fixed on the tops of the supporting bases (7) on the two sides of the supporting cylinder (2), and the thermoplastic straight pipe fitting lining layer (1) transversely penetrates through the tractor (25) on the left side of the supporting base (7), the winding cylinder (4) and the tractor (25) on the right side of the supporting base (7) from left to right in sequence.
4. The thermoplastic prepreg glass fiber tape winding straight pipe fitting and the manufacturing method thereof as claimed in claim 2, characterized in that a first guide roller (14) for guiding the steel wire (11) is symmetrically arranged at the middle position of the bottom of the inner side of the steel wire winding roller support frame (24).
5. The manufacturing method of the thermoplastic prepreg glass fiber tape winding straight pipe fitting as claimed in claim 2, characterized in that two guide rollers (20) for guiding the steel wire (11) are symmetrically arranged at the position of an L-shaped support frame (23) right below the wire passing cylinder (19).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536725A (en) * | 2022-03-14 | 2022-05-27 | 四川慧科合创机械技术有限公司 | Manufacturing device and manufacturing method for continuous fiber reinforced thermoplastic composite pipe fitting |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020139430A1 (en) * | 2001-03-27 | 2002-10-03 | Masaaki Amano | Fiber reinforced plastic pipe and filament winding apparatus |
| WO2015024363A1 (en) * | 2013-08-20 | 2015-02-26 | Wu Gengtian | Pressure pipe formed by hot filament winding of composite winding strips and filament winding method |
| CN105179825A (en) * | 2015-07-31 | 2015-12-23 | 西安斯通管业有限公司 | Infiltrated non-metal fiber composite pipe, producing device and method |
| WO2017173845A1 (en) * | 2016-04-06 | 2017-10-12 | 浙江鑫宙竹基复合材料科技有限公司 | Automated manufacturing system for manufacturing bamboo fiber-wound composite tube |
| CN107399638A (en) * | 2017-08-26 | 2017-11-28 | 姚飞 | One kind winds uniform textile fabric wind |
| CN212288603U (en) * | 2020-04-26 | 2021-01-05 | 湘乡市鸿发塑胶有限公司 | Packaging film winding device for PVC (polyvinyl chloride) pipes |
-
2021
- 2021-09-28 CN CN202111140033.2A patent/CN113927860B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020139430A1 (en) * | 2001-03-27 | 2002-10-03 | Masaaki Amano | Fiber reinforced plastic pipe and filament winding apparatus |
| WO2015024363A1 (en) * | 2013-08-20 | 2015-02-26 | Wu Gengtian | Pressure pipe formed by hot filament winding of composite winding strips and filament winding method |
| CN105179825A (en) * | 2015-07-31 | 2015-12-23 | 西安斯通管业有限公司 | Infiltrated non-metal fiber composite pipe, producing device and method |
| WO2017173845A1 (en) * | 2016-04-06 | 2017-10-12 | 浙江鑫宙竹基复合材料科技有限公司 | Automated manufacturing system for manufacturing bamboo fiber-wound composite tube |
| CN107399638A (en) * | 2017-08-26 | 2017-11-28 | 姚飞 | One kind winds uniform textile fabric wind |
| CN212288603U (en) * | 2020-04-26 | 2021-01-05 | 湘乡市鸿发塑胶有限公司 | Packaging film winding device for PVC (polyvinyl chloride) pipes |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536725A (en) * | 2022-03-14 | 2022-05-27 | 四川慧科合创机械技术有限公司 | Manufacturing device and manufacturing method for continuous fiber reinforced thermoplastic composite pipe fitting |
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| CN113927860B (en) | 2023-09-12 |
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