CN108248072B - Production process of glass fiber reinforced plastic pipeline - Google Patents
Production process of glass fiber reinforced plastic pipeline Download PDFInfo
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- CN108248072B CN108248072B CN201810061184.0A CN201810061184A CN108248072B CN 108248072 B CN108248072 B CN 108248072B CN 201810061184 A CN201810061184 A CN 201810061184A CN 108248072 B CN108248072 B CN 108248072B
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- glass fiber
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- reinforced plastic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a production process of a glass fiber reinforced plastic pipeline, which is characterized by comprising the following steps of: the method comprises the following steps: a) preparing a lining layer of the glass fiber reinforced plastic pipeline: spraying a wear-resistant gel coat on the surface of the glass steel core mold; b) a winding process: winding the glass fiber soaked with the unsaturated polyester resin on the lining layer in a reciprocating manner through glass fiber reinforced plastic pipeline winding equipment; c) a curing process; d) and preparing an outer protective layer. The production process of the glass fiber reinforced plastic pipeline provided by the invention enables the produced glass fiber reinforced plastic pipeline to have higher strength and rigidity.
Description
Technical Field
The invention belongs to the technical field of glass fiber reinforced plastic pipeline manufacturing devices, and particularly relates to a glass fiber reinforced plastic pipeline production process.
Background
The glass fiber reinforced plastic pipeline is a light, high-strength and corrosion-resistant nonmetal pipeline. The glass fiber with the weight of the resin matrix is wound on a rotating core mould layer by layer according to the process requirement.
The existing glass pipeline production process is complex in operation process, and the produced product is poor in strength and rigidity.
Disclosure of Invention
The invention provides a production process of a glass fiber reinforced plastic pipeline with high product rigidity and high strength to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: the production process of the glass fiber reinforced plastic pipeline is characterized by comprising the following steps: the method comprises the following steps:
a) preparing a lining layer of the glass fiber reinforced plastic pipeline: spraying a wear-resistant gel coat on the surface of the glass steel core mold;
b) a winding process: winding the glass fiber soaked with the unsaturated polyester resin on the lining layer in a reciprocating manner through glass fiber reinforced plastic pipeline winding equipment;
c) a curing process: after winding, heating the pipeline at 60-80 ℃ for 20-30 minutes;
d) preparing an outer protective layer: and coating a waterproof and anticorrosive protective layer on the outside of the pipeline.
The invention improves the strength of the core mould by spraying the wear-resistant gel coat on the surface of the core mould, further enhances the strength and rigidity of the pipeline by winding the glass fiber on the lining layer in a reciprocating manner, further improves the corrosion resistance and the waterproof performance of the pipeline by coating the protective layer outside the pipeline, and prolongs the service life of the pipeline.
Further, the step b) also comprises the step of spirally winding the quartz sand on the pipeline for at least one circle through the glass fiber to form a sand inclusion reinforcing layer; the arrangement of the sand inclusion layer further enhances the rigidity and the strength of the pipeline.
Further, the number of turns is 3; the thickness of the formed sand inclusion layer is larger, and the pipeline is ensured to have better rigidity and strength.
Further, the protective layer in the step d) is epoxy resin; the epoxy resin has excellent waterproof and anticorrosive performance.
Furthermore, the epoxy resin contains carborundum powder, quartz sand powder and aluminum powder; the strength of the protective layer is improved through the carborundum powder, the quartz sand powder and the aluminum powder, and the oxidation resistance of the protective layer is enhanced.
Further, the mass ratio of the carborundum powder to the quartz sand powder to the aluminum powder is 2:3: 4.
Furthermore, the glass fiber reinforced plastic pipeline winding equipment comprises a winding rack, a track, a trolley, a glass fiber yarn discharging mechanism and a sand discharging mechanism, wherein the glass fiber yarn discharging mechanism and the sand discharging mechanism are arranged on the trolley, the winding rack comprises a support, a transmission shaft which is rotatably arranged on the support, a connecting shaft which is in rotation stop fit with the transmission shaft and can move left and right relative to the transmission shaft, a mold core rod of which one end can be inserted into the connecting shaft and in rotation stop fit with the connecting shaft, and a driving part for driving the transmission shaft to rotate. According to the invention, by arranging the connecting shaft and the transmission shaft which are in rotation stopping fit and can move relatively, when the glass steel tube mold is to be disassembled from the mold core rod, only the transmission shaft needs to move in a direction close to the transmission shaft, at the moment, the mold core rod can be separated from the connecting shaft, and further, when the glass steel tube mold is convenient to disassemble from the mold core rod, similarly, the glass steel tube mold can be easily sleeved on the mold core rod as long as the mold core rod can be separated from the connecting shaft during installation, the whole disassembling and assembling process is simple and convenient, the operation time is saved, and the production efficiency is improved.
Furthermore, a through hole for the transmission shaft to pass through is formed in the support, and a buffer device is arranged between the inner wall of the through hole and the transmission shaft; when glass steel tube mould cover is established on the mould plug and takes place to rotate under the drive of connecting axle, because glass steel tube mould can take place to rock at the winding in-process, and then can drive the transmission shaft and take place to rock together, and the setting through buffer can reduce the transmission shaft and take place the range of rocking, and then has effectively prevented the transmission shaft and has taken place the condition of rigidity striking with other parts because of rocking, has reduced the harm that the transmission shaft received, has prolonged its life.
Furthermore, the buffering device comprises a buffering assembly sleeved on the transmission shaft and a first buffering piece connected between the buffering assembly and the inner wall of the through hole, wherein the buffering assembly comprises two arc-shaped pieces, a plurality of balls arranged on the arc-shaped pieces and a second buffering piece connected between the two arc-shaped pieces; the setting up of ball has guaranteed that the transmission shaft can and take place relative rotation between the two arc pieces, and the setting up of first, second bolster can reduce the transmission shaft and take place the range of rocking when rotating, and then has effectively avoided transmission shaft and other parts to take place the rigidity collision, has reduced the harm that the transmission shaft received, has prolonged its life.
Furthermore, two ends of the second buffer part are respectively connected with the arc-shaped part through an adjustable elastic structure; the extrusion force of the first buffer part to the two arc-shaped parts can be freely adjusted through the adjustable elastic force structure, and therefore the first buffer part can be always kept to have a good buffering effect on the two arc-shaped plates.
Furthermore, the adjustable elastic structure comprises adjusting shafts arranged at two ends of the second buffer part, a plurality of bosses arranged on the adjusting shafts, adjusting cavities arranged on the arc-shaped part and matched with the adjusting shafts, two positioning holes arranged on the arc-shaped part and communicated with the adjusting cavities, and a U-shaped positioning part, wherein a positioning groove is formed between every two adjacent bosses, and the U-shaped positioning part can be matched with the positioning groove; the distance between the two ends of the second buffer part is adjusted by matching the U-shaped positioning part with the positioning grooves between different bosses, so that the effect of adjusting the elastic force of the second buffer part on the arc-shaped part is realized.
Furthermore, a rotation stopping block is arranged on the transmission shaft, a rotation stopping groove matched with the rotation stopping block is arranged on the connecting shaft, and the length of the rotation stopping groove is greater than that of the rotation stopping block; the cooperation through only changeing the piece and only changeing the groove realizes the cooperation of only changeing of transmission shaft and connecting axle, and then the transmission shaft can drive the connecting axle and rotate together when rotating, in addition because only changeing the length in groove and being greater than only changeing the length of piece, and then can remove the connecting axle for the transmission shaft about to do benefit to the grafting cooperation of realizing mould plug and connecting axle.
Furthermore, an inserting groove matched with the mold core rod is formed in the connecting shaft, a rotation stopping column is arranged on the mold core rod, and a clamping groove matched with the rotation stopping column is formed in the side wall of the inserting groove; when one end of the mold core rod is inserted into the insertion groove on the connecting shaft, the rotation stopping column can be clamped into the clamping groove, and then rotation stopping matching of the mold core rod and the connecting shaft is achieved.
Furthermore, be equipped with on the dolly with go out sand mechanism matched with sand collection mechanism, sand collection mechanism including connect in backup pad on the dolly with locate sand collection groove in the backup pad, sand collection groove realizes being connected with dismantling of backup pad through a grafting structure. According to the invention, the trolley is provided with the quartz sand collecting device for collecting the quartz sand leaked in the sand inclusion winding process, so that the waste of resources is reduced, the sand collecting groove is detachably connected with the supporting plate, and the sand collecting groove is convenient to take out for dumping after the quartz sand in the sand collecting groove is filled.
Furthermore, the splicing structure comprises a splicing groove arranged on the supporting plate and a splicing component arranged on the sand collecting groove and matched with the splicing groove; the detachable connection of the sand collecting groove and the supporting plate is realized through the matching of the plug connector and the insertion groove, and then the sand collecting groove is convenient to disassemble and assemble.
In conclusion, the production process of the glass fiber reinforced plastic pipeline provided by the invention enables the produced glass fiber reinforced plastic pipeline to have higher strength and rigidity.
Drawings
Fig. 1 is a first structural schematic diagram of the present invention.
Fig. 2 is a second structural schematic diagram of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 1.
Fig. 4 is an enlarged view of a portion a in fig. 2.
Fig. 5 is a schematic view of a connecting shaft structure of the present invention.
Fig. 6 is a partial structural schematic diagram of the present invention.
Fig. 7 is a schematic structural diagram of a buffering device according to the present invention.
Fig. 8 is an enlarged view of fig. 7 at a.
Fig. 9 is a schematic structural view of the sand collecting mechanism of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
A production process of a glass fiber reinforced plastic pipeline comprises the following steps: a) preparing a lining layer of the glass fiber reinforced plastic pipeline: spraying a wear-resistant gel coat on the surface of the glass steel core mold; b) a winding process: winding the glass fiber soaked with the unsaturated polyester resin on the lining layer in a reciprocating manner through glass fiber reinforced plastic pipeline winding equipment; c) a curing process: after winding, heating the pipeline at 60-80 ℃ for 20-30 minutes; d) preparing an outer protective layer: and coating a waterproof and anticorrosive protective layer on the outside of the pipeline.
Further, the step b) further comprises the step of spirally winding the quartz sand on the pipeline for 3 circles through the glass fiber to form a sand inclusion enhancement layer, and the arrangement of the sand inclusion layer further enhances the rigidity and the strength of the pipeline.
Further, the protective layer in the step d) is an epoxy resin, preferably, the epoxy resin contains carborundum powder, quartz sand powder and aluminum powder, and specifically, the mass ratio of the carborundum powder to the quartz sand powder to the aluminum powder is 2:3: 4.
As shown in fig. 1-9, a process for producing a glass fiber reinforced plastic pipeline comprises a winding frame 1, a track 2, a trolley 3, a glass fiber wire discharging mechanism 31 and a sand discharging mechanism 32, wherein the glass fiber wire discharging mechanism 31 and the sand discharging mechanism 32 are arranged on the trolley, specifically, the winding frame 1 comprises a support 11, a transmission shaft 12 which is rotatably arranged on the support, a connecting shaft 13 which is in rotation stop fit with the transmission shaft 12 and can move left and right relative to the transmission shaft, a mold core rod 14 of which one end can be inserted into the connecting shaft and is in rotation stop fit with the connecting shaft, and a driving part for driving the transmission shaft to rotate, specifically, two supporting parts which are matched with the mold core rod 14 are arranged on the support 11, so that the mold core rod can be directly placed on the support, because the connecting shaft can move left and right relative to the transmission shaft, when the mold core rod is placed, and then can drive the mould plug when the connecting axle rotates and rotate together, equally, through removing the connecting axle to the right, just can realize the separation of mould plug and connecting axle, and then be convenient for take off the mould plug from the support, whole dismouting process is simple, convenient, and specific transmission process is: the driving part drives the transmission shaft to rotate, so that the connecting shaft in rotation stopping fit with the transmission shaft is driven to rotate, and finally the die core rod in rotation stopping fit with the connecting shaft is driven to rotate.
Further, the support 11 is provided with a control assembly which is matched with the connecting shaft 13 to control the left and right actions of the connecting shaft 13, specifically, the control assembly comprises a cuboid frame 6 with a bottom end connected with the support 11 through a rotating shaft, the cuboid frame is sleeved outside the connecting shaft, two limiting rods 61 are horizontally arranged in the cuboid frame, the connecting shaft 13 is provided with annular limiting grooves 134 corresponding to the two limiting rods, the two limiting rods 61 are clamped at the upper and lower parts of the annular limiting grooves 134, so that in the process of overturning the cuboid frame 6, the two limiting rods 61 can contact with the side walls of the annular limiting grooves 134 and extrude, the connecting shaft 13 can move along the transmission shaft 12 under the action of the extrusion force of the limiting rods 61, preferably, the support 11 is further provided with a positioning frame 62 which can be matched with the cuboid frame 6, a bolt hole is respectively arranged on the positioning frame 62 and the cuboid frame 6, the cuboid frame can be positioned by inserting bolts into the two bolt holes, and the connecting shaft and the mould core rod are in a splicing state at the moment.
Further, the support 11 is provided with a through hole 15 for the transmission shaft 12 to pass through, a buffer device is arranged between the inner wall of the through hole 15 and the transmission shaft 12, specifically, the buffer device comprises a buffer component 4 sleeved on the transmission shaft 12 and a first buffer component 5 connected between the buffer component 4 and the inner wall of the through hole 15, the buffer component 4 comprises two arc-shaped pieces 41, a plurality of balls 42 arranged on the arc-shaped pieces and a second buffer component 43 connected between the two arc-shaped pieces 41, the first buffer component and the second buffer component are respectively compression springs, when the buffer component is sleeved on the transmission shaft, the balls can be tightly attached to the outer side wall of the rotating shaft, so that the transmission shaft can be ensured to rotate relative to the two arc-shaped pieces through the effect of the balls, and the arrangement of the first buffer component and the second buffer component can reduce the shaking amplitude of the transmission shaft when the transmission shaft rotates, and then effectively avoided the transmission shaft to take place the rigidity collision with other parts, reduced the harm that the transmission shaft received, prolonged its life.
Further, the two ends of the second buffer member 43 are respectively connected with the arc-shaped member 41 through an adjustable elastic structure, specifically, the adjustable elastic structure includes an adjusting shaft 44 disposed at the two ends 43 of the second buffer member, a plurality of bosses 441 disposed on the adjusting shaft, an adjusting cavity 411 disposed on the arc-shaped member 41 and matched with the adjusting shaft 44, two positioning holes 412 disposed on the arc-shaped member 41 and communicated with the adjusting cavity 411, and a U-shaped positioning member 45, wherein a positioning groove is formed between two adjacent bosses 441, when the two ends of the U-shaped positioning member are aligned and inserted into the two positioning holes, the two ends of the U-shaped positioning member 45 are respectively clamped into the positioning grooves between the bosses at different positions, thereby achieving the purpose of adjusting the distance between the two ends of the second buffer member, further achieving the effect of adjusting the elastic force of the second buffer member, and ensuring that the second buffer member can use a better elastic force for the two arc-shaped plates, thereby guaranteed that buffer unit can play a better cushioning effect to the transmission shaft.
Further, the arc-shaped part 41 is formed by connecting two arc-shaped plates with the same specification together through a bolt, the two arc-shaped plates are respectively provided with a groove at the corresponding position, and when the two arc-shaped plates are connected together through the bolt, the two grooves at the corresponding positions of the two arc-shaped plates are aligned to form a containing groove for containing the ball.
Further, the transmission shaft 12 is provided with a rotation stopping block 121, the connecting shaft 13 is provided with a rotation stopping groove 131 matched with the rotation stopping block 121, specifically, the rotation stopping block 121 is two strip-shaped convex blocks arranged on the outer side wall of the transmission shaft and evenly arranged along the circumferential direction of the outer side wall at intervals, the connecting shaft is provided with a cylindrical accommodating groove for inserting the end part of the transmission shaft, the rotation stopping groove 131 is two strip-shaped grooves arranged on the side wall of the accommodating groove and evenly arranged along the circumferential direction of the accommodating groove, in order to realize that the connecting shaft can move left and right relative to the transmission shaft, the length of the rotation stopping groove 131 is ensured to be larger than that of the rotation stopping block 121, the rotation stopping matching of the transmission shaft and the connecting shaft is realized through the matching of the rotation stopping block and the rotation stopping groove, and the transmission shaft can drive the connecting shaft to rotate together when rotating, in addition, because the, and then the connecting shaft can be moved left and right relative to the transmission shaft, thereby being beneficial to realizing the insertion fit of the mold core rod and the connecting shaft.
Further, connecting axle 13 one end is equipped with the confession mould plug 14 one end male columniform inserting groove 132, be equipped with on the mould plug 14 lateral wall and end post 141, be equipped with on the inserting groove 132 lateral wall with end post 141 matched with draw-in groove 133, when the inserting groove on the connecting axle was inserted to the one end of mould plug, end the post and can block into in the draw-in groove, and then realized the cooperation of ending of mould plug and connecting axle.
The driving part comprises a gear shaft sleeve 16 which is sleeved on the transmission shaft 12 and can be in rotation stop fit with the transmission shaft 12, a synchronous belt 17 which is matched with the gear shaft sleeve 16 and a driving motor 18 which is used for driving the synchronous belt 17 to rotate, the diameter of the inner circle of the gear shaft sleeve 16 is slightly larger than that of the transmission shaft, and further when the gear shaft sleeve is sleeved on the transmission shaft, a certain gap is formed between the inner wall of the gear shaft sleeve and the transmission shaft, the gap is arranged to reduce the influence of the transmission shaft on the gear shaft sleeve when the transmission shaft shakes, so that the gear shaft sleeve can be always in tight fit with the synchronous belt, and because the gear shaft sleeve and the transmission shaft are always in rotation stop fit when the transmission belt shakes, the transmission shaft can be driven to rotate together only when the driving motor works, and particularly, the driving motor is a common motor which can be directly purchased in the, the structure and the working principle of the device are the prior art, and are not described in detail herein.
Further, be equipped with on the transmission shaft 12 and end the protruding 122 of changeing, be equipped with on the gear bush 16 with protruding 122 matched with ends the chamber 161 of changeing, it is concrete, end the protruding cubic arch for setting up on the transmission shaft lateral wall that changes, end the chamber 161 setting of changeing on the inner wall of gear bush, it has certain clearance to end to change to exist between intracavity wall and the cubic protruding lateral wall to even take place under the condition of rocking at the transmission shaft, also can guarantee all the time that the cooperation of changeing ends between gear bush and the transmission shaft, guaranteed promptly that the gear shaft cover can drive the transmission shaft all the time under the effect of hold-in range and rotate together.
Further, the track 2 is arranged at one side of the winding frame, the trolley is arranged on the track and moves back and forth along the track, when the trolley moves along the track, the glass fiber soaked with resin is wound on a mould of the pipeline through a glass fiber yarn discharging mechanism arranged on the trolley, quartz sand is poured onto the glass fiber through a sand discharging mechanism while the glass fiber is wound, and then the glass fiber is wound on the mould together to form a sand inclusion layer, because the quartz sand is easy to leak from the glass fiber and falls onto the ground in the pouring process, the waste of resources is further caused, the production cost is improved, in order to solve the problem, the trolley 3 is provided with a sand collecting mechanism 33 matched with the sand discharging mechanism 32, the sand collecting mechanism 33 comprises a supporting plate 331 connected to the trolley and a sand collecting groove 332 arranged on the supporting plate, the sand collecting groove is detachably connected with the supporting plate through a splicing structure, the sand collecting groove 332 is a plastic container with an opening formed in the upper portion, the supporting plate 331 is a rectangular wood plate fixedly connected with a trolley, the positions of the sand collecting groove 332 and the supporting plate 331 are both located below the mold core rod 14, specifically, the splicing structure comprises a splicing groove 333 and a plug connector 334, the splicing groove 333 is formed in the supporting plate 331 and is matched with the splicing groove 333, the splicing groove is a T-shaped groove formed in the upper surface of the supporting plate, the plug connector is a fixing plate of a cuboid structure fixedly connected to the bottom of the sand collecting groove, and the fixing plate can be spliced in the T-shaped groove to further realize detachable connection of the sand collecting groove and the supporting plate.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (6)
1. The production process of the glass fiber reinforced plastic pipeline is characterized by comprising the following steps: the method comprises the following steps:
a) preparing a lining layer of the glass fiber reinforced plastic pipeline: spraying a wear-resistant gel coat on the surface of the glass steel core mold;
b) a winding process: winding the glass fiber soaked with the unsaturated polyester resin on the lining layer in a reciprocating manner through glass fiber reinforced plastic pipeline winding equipment;
c) a curing process: after winding, heating the pipeline at 60-80 ℃ for 20-30 minutes;
d) preparing an outer protective layer: coating a waterproof and anticorrosive protective layer on the outside of the pipeline;
the winding equipment for the glass fiber reinforced plastic pipeline comprises a winding rack (1), a track (2), a trolley (3), a glass fiber wire discharging mechanism (31) and a sand discharging mechanism (32), wherein the glass fiber wire discharging mechanism (31) and the sand discharging mechanism (32) are arranged on the trolley, the winding rack (1) comprises a support (11), a transmission shaft (12) which is rotatably arranged on the support, a connecting shaft (13) which is in rotation stop fit with the transmission shaft (12) and can move left and right relative to the transmission shaft, a mold core rod (14) of which one end can be inserted into the connecting shaft and in rotation stop fit with the connecting shaft, and a driving part;
a through hole (15) for the transmission shaft (12) to pass through is formed in the support (11), and a buffer device is arranged between the inner wall of the through hole (15) and the transmission shaft (12);
the buffer device comprises a buffer component (4) sleeved on the transmission shaft (12) and a first buffer piece (5) connected between the buffer component (4) and the inner wall of the through hole (15), wherein the buffer component (4) comprises two arc-shaped pieces (41), a plurality of balls (42) arranged on the arc-shaped pieces and a second buffer piece (43) connected between the two arc-shaped pieces (41); two ends of the second buffer part (43) are respectively connected with the arc-shaped part (41) through an adjustable elastic structure;
the transmission shaft (12) is provided with a rotation stopping block (121), the connecting shaft (13) is provided with a rotation stopping groove (131) matched with the rotation stopping block (121), and the length of the rotation stopping groove (131) is greater than that of the rotation stopping block (121);
an inserting groove (122) matched with the mold core rod (14) is formed in the connecting shaft (13), a rotation stopping column (141) is arranged on the mold core rod (14), and a clamping groove (123) matched with the rotation stopping column (141) is formed in the side wall of the inserting groove (122);
the adjustable elastic structure comprises adjusting shafts (44) arranged at two ends of the second buffer piece (43), a plurality of bosses (441) arranged on the adjusting shafts, adjusting cavities (411) arranged on the arc-shaped piece (41) and matched with the adjusting shafts (44), two positioning holes (412) and a U-shaped positioning piece (45) which are arranged on the arc-shaped piece (41) and communicated with the adjusting cavities (411), and positioning grooves are formed between every two adjacent bosses (441); the arc-shaped part (41) is formed by connecting two arc-shaped plates with the same specification together through bolts, and the two arc-shaped plates are respectively provided with a groove at the corresponding positions; when the two arc plates are connected together through the bolt, the two grooves on the corresponding positions of the two arc plates are aligned to form a containing groove for containing the ball.
2. The process for producing a FRP pipe as claimed in claim 1, wherein: and the step b) also comprises the step of spirally winding the quartz sand on the pipeline for at least one circle through the glass fiber to form a sand inclusion reinforcing layer.
3. The FRP pipe production process as claimed in claim 2, wherein: the number of turns is 3.
4. The process for producing a FRP pipe as claimed in claim 1, wherein: the protective layer in the step d) is epoxy resin.
5. The FRP pipe production process as claimed in claim 4, wherein: the epoxy resin contains carborundum powder, quartz sand powder and aluminum powder.
6. The FRP pipe production process as claimed in claim 5, wherein: the mass ratio of the carborundum powder to the quartz sand powder to the aluminum powder is 2:3: 4.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010583930.XA CN111688235A (en) | 2018-01-22 | 2018-01-22 | Preparation method of glass fiber reinforced plastic pipeline |
| CN201810061184.0A CN108248072B (en) | 2018-01-22 | 2018-01-22 | Production process of glass fiber reinforced plastic pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061184.0A CN108248072B (en) | 2018-01-22 | 2018-01-22 | Production process of glass fiber reinforced plastic pipeline |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010583930.XA Division CN111688235A (en) | 2018-01-22 | 2018-01-22 | Preparation method of glass fiber reinforced plastic pipeline |
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| CN108248072A CN108248072A (en) | 2018-07-06 |
| CN108248072B true CN108248072B (en) | 2021-02-23 |
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| CN201810061184.0A Active CN108248072B (en) | 2018-01-22 | 2018-01-22 | Production process of glass fiber reinforced plastic pipeline |
| CN202010583930.XA Withdrawn CN111688235A (en) | 2018-01-22 | 2018-01-22 | Preparation method of glass fiber reinforced plastic pipeline |
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| CN112848241B (en) * | 2021-01-11 | 2022-06-07 | 铜陵市华东玻璃钢工业有限责任公司 | Preparation method of glass fiber reinforced plastic tank with high surface flatness |
| CN112793050A (en) * | 2021-02-03 | 2021-05-14 | 上海自图新材料科技有限公司 | Integrated forming die and integrated forming method for pipeline containing membrane lining composite material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4564194B2 (en) * | 2001-03-21 | 2010-10-20 | 新日本製鐵株式会社 | Fiber-reinforced resin-coated steel pipe and method for producing the same |
| CN102218837B (en) * | 2011-03-16 | 2013-12-25 | 杨金连 | Glass reinforced plastic ribbed sand-included tube and manufacture method thereof |
| CN203864030U (en) * | 2014-06-15 | 2014-10-08 | 河北宏润玻璃钢有限公司 | Glass fiber reinforced plastic mortar pipe winding device |
| CN105150438B (en) * | 2015-08-19 | 2017-08-22 | 湖北三江航天江北机械工程有限公司 | The wound and solidified device of carbon fibre composite thin-walled skirt type part |
| CN105257753B (en) * | 2015-11-05 | 2017-10-27 | 青岛军英装备科技有限公司 | A kind of damping spring |
| CN107225784A (en) * | 2017-04-28 | 2017-10-03 | 广西北海跃达玻璃钢制品有限公司 | A kind of glass reinforced plastic pipe end production process |
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| CN111688235A (en) | 2020-09-22 |
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Effective date of registration: 20201130 Address after: 257000, No. 1, Poyang Lake Road, Fairy River town, Hekou District, Shandong, Dongying Applicant after: SHENGLI OILFIELD NORTH INDUSTRIAL GROUP Co.,Ltd. Address before: 310000 Hangzhou, Jianggan District, Zhejiang Xiasha, Yue Yue Road, Wu Yue pipeline 3 Applicant before: Lin Huan |
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Address after: 257000 Shengli Oilfield North Industrial Group Co., Ltd., Dongying Port Economic Development Zone, Dongying City, Shandong Province Applicant after: SHENGLI OILFIELD NORTH INDUSTRIAL GROUP Co.,Ltd. Address before: 257000, No. 1, Poyang Lake Road, Fairy River town, Hekou District, Shandong, Dongying Applicant before: SHENGLI OILFIELD NORTH INDUSTRIAL GROUP Co.,Ltd. |
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