CN104455790A - Glass steel PE composite pipe and continuous winding protection technology - Google Patents
Glass steel PE composite pipe and continuous winding protection technology Download PDFInfo
- Publication number
- CN104455790A CN104455790A CN201410631571.5A CN201410631571A CN104455790A CN 104455790 A CN104455790 A CN 104455790A CN 201410631571 A CN201410631571 A CN 201410631571A CN 104455790 A CN104455790 A CN 104455790A
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- Prior art keywords
- layer
- pipe
- glass fibre
- glass steel
- reinforced plastics
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/562—Winding and joining, e.g. winding spirally spirally
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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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/566—Winding and joining, e.g. winding spirally for making tubular articles followed by compression
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to a glass steel PE composite pipe and a continuous winding protection technology. The problem that an existing composite glass steel pipe cannot be directly used for water drinking and supply engineering and the manufacturing technology problem of a pipeline connector are solved. The glass steel PE composite pipe comprises a glass steel layer, and is characterized in that an inner reinforcement layer is arranged on the inner wall of the glass steel layer, and a PE layer is arranged on the inner wall of the inner reinforcement layer; an outer reinforcement layer and an outer protection layer are sequentially arranged on the outer surface of the glass steel layer from inside to outside; the PE layer is turned over outwards from the inner surface of a pipeline body along the two ends of the pipeline body, and the PE layer and the outer protection layer are attached by a flange length. The technology is achieved through winding, curing, cutting, sealing and other technologies. The mechanical strength characteristic of the glass steel pipe and PE sanitation and environmental protection characteristics are effectively combined, multiple technical effects of pressure, rigidity and sanitation indexes are obtained, the pipeline forming process is continuous, efficiency is high, manufacturing cost is low, the technology process is stable, the environmental sanitation condition is good, and the coverage range of product specifications is wide.
Description
Technical field
The present invention relates to pipeline manufacturing technology field, particularly relate to a kind of glass fibre reinforced plastics PE composite pipe and continuous winding production technology.
Background technique
Though existing simple glass steel pipe is provided with the multi-layer structure such as inside liner, interior winding layer, can be used for water engineering in theory, owing to containing the toxicant such as unsaturated resin and curing agent in Glass Steel Tube, in actual use, be generally not used in feedwater.As a kind of pipe of composite glass fiber reinforced plastics that patent publication No. provides for CN103292055A, tube wall is 4 layers, establishes inside liner, toughening layer, enhancement layer and protective coating successively from inside to outside, and each layer thickness, material all have design.Prehensile body is made, also have many in public technology, if patent publication No. is CN103343845A, disclosed a kind of continuous winding Glass Steel Tube, comprise inside liner, construction layer and external protection, construction layer is combined by the long fine layer of multilayer and the upper and lower interleaved of short fiber layer; Long fine layer cuts glass fibre by length and resin is formed, and short fiber layer is made up of short glass fiber, silica sand and resin.The program take resin as matrix, glass fibre is reinforcing material, silica sand is filler, adopts continuous winding technique to make.In addition, connection between pipeline all cannot solve the contact of body bulk material and institute's fed sheet of a media, if patent publication No. is CN101338844A, a kind of method of connecting glass fiber reinforced plastic, glass fibre reinforced plastics pipe is accepted head and whole Glass Steel Tube is disposable makes, pipe connection-peg is also disposable with whole Glass Steel Tube to be made, install seal ring additional and be located at conical internal thread root, outside is screwed into the Glass Steel Tube the other end with conical internal thread with the pipe connection-peg of conical external screw thread; And patent publication No. is CN102410422A, the Glass Steel Tube flange arrangement of design, Flange joint has pillar, and protective pipe sleeve is contained in the outside of body, just arranges pillar and protects body.
Summary of the invention
The object of the invention is the manufacturing process problem that cannot be directly used in drink water engineering and pipe joint in order to solve existing pipe of composite glass fiber reinforced plastics, a kind of reasonable in design is provided, there is glass fibre reinforced plastics PE composite pipe and the continuous winding production technology of mechanical strength characteristic sum PE hygienic environment-protecting feature.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of glass fibre reinforced plastics PE composite pipe, and its pipe body comprises frp layer, and it is characterized in that being provided with interior enhancement layer at described frp layer inwall, interior enhancement layer inwall is provided with PE layer; Frp layer outer surface is from inside to outside provided with outer reinforced layer, external protection successively; Described PE layer is shown outwards to overturn along pipe body two ends in pipe body, and to fit one section of flange length with external protection.
Glass fibre reinforced plastics and fiber-reinforced plastic, refer generally to glass fiber reinforcement unsaturated polyester, epoxy resin and phenolic resin as matrix resin, hard because of light weight, non-conductive, mechanical strength is high, corrosion-resistant and extensive use, and steel can be replaced as the manufactured materials of portioned product.Though but glass fibre reinforced plastics is hard but frangible, Young's modulus is low, less than steel 10 times, make product structure rigidity not enough, be easily out of shape; Long-term temperature tolerance is poor, though there is fire resistant resin, operating temperature is possible at 200 ~ 300 DEG C, as general purpose polyester FRP intensity more than 50 DEG C just obviously declines; Shear strength is low, because interlaminar shearing strength is born by resin; In addition also there is the harmful matter such as unsaturated resin and curing agent.The technical program is for these pluses and minuses of glass fibre reinforced plastics, using the basic framework of glass fibre reinforced plastics as pipe body, supplemental support is carried out at the inside and outside reinforced layer that arranges of pipe body, and PE layer is set at internal layer, made all areas of water on sanitary index, meet the NBS of PE feedwater piping, and to be turned up complete cladding process by termination, ensured that pipe body was in connection construction, anyly all may avoid exposing with contact position, water source, thus obtain a kind of aqueduct completely new product.
As preferably, the described PE layer length sleeve required when being connected with two branch pipe(tube) bodies of the length of fitting with external protection that turns up is suitable.Connecting between this case design pipe body adopts additional sleeve fashion as an example, and sleeve and the two pipe bodies PE layer that turns up merges completely.
As preferably, the length section position that described PE layer coordinates with sleeve is provided with rubber ring.By rubber ring strengthen sleeve to be connected with pipe body between sealing.
A kind of continuous winding production technology of glass fibre reinforced plastics PE composite pipe, it is characterized in that: extrude material strip by PE extruder, be transported on the Wound Dies of winding main frame, while Wound Dies rotates about the axis, its surface moves forward vertically, PE material strip to adhere on die surface and with mould spiral winding, forms the interior PE layer of pipeline; Be wound on PE internal layer by feeding device conveying material, form the interior enhancement layer of pipeline, frp layer, outer enhancement layer and external protection successively; Shaping pipe body is forced through solidification equipment sizing by mould, carries out pipe body two ends PE layer flanging seal coated after cutting device to sealing device.As a kind of manufacture of larger diameter new product, adopt canoe to produce, more than coated to two ends PE layer flange, limit completes and provides condition, and this mode not only efficiency is high, process stabilization, controls very effective to length data.Winding compound between different materials, has strict design to temperature control, material mixture ratio, recombination time etc. parameter.
As preferably, be provided with glass, resin, mortar, curing agent in described feeding device, and be provided with fuser system.Glass is independent material, and curing agent is added in resin as a kind of auxiliary agent and uses, and curing agent and resin ratio are about 10%, and mortar is the mixture of silica sand and resin.
As preferably, described flanging seal carries out on sealing device, is provided with preheater in sealing device, and is provided with radial rubber ring pressing mold.
As preferably, the frp layer of pipe ends is first removed one section with lathe by described flanging seal, exposes PE layer; Then to the PE layer heating of exposing, make it softening; Again with enlarging circle by large for the support of softening PE layer and be pressed onto the port of pipeline; Last extrude PE material strip by PE extruder and be wound into pipe end outer wall, formed the coated width of flange PE layer and and on end face PE layer hot melting cohesion get up.
As preferably, be provided with cutting device after described solidification equipment, cutting device position is provided with pipe body support bracket, and described support bracket has the centripetal strong point of making a concerted effort.
As preferably, described cutting device position is provided with pipe discharging device, and solidification equipment, cutting device, pipe discharging device production line position are equipped with the support device run along production line, and support device is connected with sealing device.
The invention has the beneficial effects as follows: the mechanical strength property of Glass Steel Tube and PE hygienic environment-protecting characteristic are combined effectively, obtain the technical order such as pressure, rigidity and meet Glass Steel Tube NBS, and sanitary index meets the double technique effect of PE feedwater piping NBS, reliably water engineering can be applied to; Pipeline forming process is uninterrupted continuously, and efficiency is high, and manufacture cost is lower, stable technical process, and environmental hygiene situation is good, and product specification coverage area is large, and pipe diameter from 300mm ~ 4000mm, and easily adjusts.
Accompanying drawing explanation
Fig. 1 is a kind of pipe body product structure schematic diagram of the present invention.
Fig. 2 is coupled condition structural representation between a kind of pipe body of the present invention.
Fig. 3 is that one of the present invention is wound around machining state structural representation.
Fig. 4 is that a kind of production line of the present invention forms structural representation.
In figure: 1. pipe body, 101. PE layers, enhancement layer in 102., 103. frp layers, 104. outer reinforced layers; 105. external protections, 2. sleeve, 3. rubber ring, be 4. wound around main frame, 5. Wound Dies; 6. PE extruder, 7. feeding device, 8. solidification equipment, 9. cutting device.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technological scheme of the present invention is described in further detail.
A kind of glass fibre reinforced plastics PE of the present embodiment composite pipe, as shown in Figure 1, pipe body 1 forms by five layers, and mesosphere is frp layer 103, frp layer 103 inwall be first provided with one deck be made up of glass and resin in enhancement layer 102, the inwall of interior enhancement layer is resin layer and PE layer 101.Frp layer outer surface is from inside to outside provided with the outer reinforced layer 104 of glass and resin composition successively, and outermost surface is the external protection 105 of resin material.
PE layer outwards overturns from pipe body internal surface and PE layer 101 along pipe body two ends, and to fit one section of flange length with external protection, as shown in Figure 2, when this flange segment length is docked for pipe-pipe just and the length that coordinates of sleeve 2; And be provided with rubber ring 3 at the length section position that PE layer 101 coordinates with sleeve 2.
A kind of its production line of continuous winding production technology formation of glass fibre reinforced plastics PE composite pipe and correlation as shown in Figure 4, are made up of PE extruder 6, winding main frame 4, feeding device 7, solidification equipment 8, cutting device 9 and support device, pipe discharging device, sealing device, control system and auxiliary device.
Manufacturing process is as follows: extrude material strip by PE extruder 6, be transported on the Wound Dies 5 of winding main frame 4, Wound Dies 5 is supporting with manufacture pipeline specifications, this programme specification coverage area is at Φ 300 ~ 4000mm, as shown in Figure 3, while Wound Dies 5 rotates about the axis, its surface moves forward vertically, PE extrudes material strip and to adhere on die surface and with mould spiral winding, form the interior PE layer 101 of pipeline, then by feeding device 7, glass and resin compound are wound on PE internal layer, form the interior enhancement layer 102 of pipeline, feeding device is provided with multiple batcher, wherein be provided with single material glass, resin, mortar, curing agent mixture etc., and be provided with fuser system.Then simple substance glass is wound on interior enhancement layer 102 and forms frp layer 103, and then carry out mortar object and be wound outer enhancement layer 104, be finally cured agent and resin ratio be 10% external protection 105 be wound around.
Shaping pipe body 1 is forced through solidification equipment 8 by mould and shapes, pipe body two ends PE layer flange is carried out to sealing device coated after cutting device 9, cutting device position is provided with pipe body 1 support bracket, support bracket is provided with the centripetal strong point of making a concerted effort, and be provided with pipe discharging device, in addition, solidification equipment 8, cutting device, pipe discharging device production line position are equipped with the support device run along production line, and support device is connected with sealing device.Particularly, flange is coated with following steps:
1. utilize special purpose lathe by smooth for the glass fibre reinforced plastics turning of pipe ends, and expose PE layer.
2. pair PE layer exposed heats, and makes it softening.
3. with enlarging circle by large for the support of softening PE layer and be pressed onto the port of pipeline.Note, notes speed of wrap when interior PE layer 101 closes up, and ensures that the thickness that closing in place has tool enough is stretched drawing to pipe end.
4. extrude PE material strip by extruder and be wound into pipe end outer wall, form flange width dimensions, and by integral for PE layer hot melting cohesion on the PE of flange skin and end face.
In order to the connection between body and body, when flanging seal carries out on sealing device, utilize the preheater in sealing device, carry out the fitting recess compacting of rubber ring 3 in outer tube diameter flange section.
This programme is by online for PE inside liner compound to Glass Steel Tube inwall, and pipeline forming process is uninterrupted continuously, and process stabilization, range of product size easily adjusts.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, anyly all belongs to protection scope of the present invention to the structure after simple transformation of the present invention, technique.
Claims (9)
1. a glass fibre reinforced plastics PE composite pipe, its pipe body comprises frp layer (103), it is characterized in that being provided with interior enhancement layer (102) at described frp layer inwall, and interior enhancement layer inwall is provided with PE layer (101); Frp layer outer surface is from inside to outside provided with outer reinforced layer (104), external protection (105) successively; Described PE layer is shown outwards to overturn along pipe body two ends in pipe body, and to fit one section of flange length with external protection.
2. a kind of glass fibre reinforced plastics PE composite pipe according to claim 1, is characterized in that described PE layer (11) sleeve (2) length required when being connected with two branch pipe(tube) bodies (1) of the length of fitting with external protection (105) of turning up is suitable.
3. a kind of glass fibre reinforced plastics PE composite pipe according to claim 2, is characterized in that the length section position that described PE layer (101) coordinates with sleeve (2) is provided with rubber ring (3).
4. the continuous winding production technology of the glass fibre reinforced plastics PE composite pipe as described in claims 1 to 3, it is characterized in that: extrude material strip by PE extruder (6), be transported on the Wound Dies (5) of winding main frame (4), while Wound Dies rotates about the axis, its surface moves forward vertically, PE material strip to adhere on die surface and with mould spiral winding, forms the interior PE layer of pipeline; Be wound on PE internal layer by feeding device (7) conveying material, then form the interior enhancement layer (102) of pipeline, frp layer (103), outer enhancement layer (104) and external protection (105) successively; Shaping pipe body (1) is forced through solidification equipment (8) sizing by mould, carries out pipe body two ends PE layer flanging seal coated after cutting device (9) to sealing device.
5. the continuous winding production technology of a kind of glass fibre reinforced plastics PE composite pipe according to claim 4, is characterized in that being provided with glass, resin, mortar, curing agent in described feeding device, and is provided with fuser system.
6. the continuous winding production technology of a kind of glass fibre reinforced plastics PE composite pipe according to claim 4, is characterized in that flanging seal carries out on sealing device, is provided with preheater in sealing device, and be provided with radial rubber ring pressing mold.
7. the continuous winding production technology of a kind of glass fibre reinforced plastics PE composite pipe according to claim 4 or 5 or 6, is characterized in that the frp layer of pipe ends is first removed one section with lathe by described flanging seal, exposes PE layer; Then to the PE layer heating of exposing, make it softening; Again with enlarging circle by large for the support of softening PE layer and be pressed onto the port of pipeline; Last extrude PE material strip by PE extruder (6) and be wound into pipe end outer wall, formed the coated width of flange PE layer and and on end face PE layer hot melting cohesion get up.
8. the continuous winding production technology of a kind of glass fibre reinforced plastics PE composite pipe according to claim 4 or 5 or 6, cutting device (9) is provided with after it is characterized in that described solidification equipment (8), cutting device position is provided with pipe body (1) support bracket, and described support bracket has the centripetal strong point of making a concerted effort.
9. the continuous winding production technology of a kind of glass fibre reinforced plastics PE composite pipe according to claim 8, it is characterized in that described cutting device (9) position is provided with pipe discharging device, solidification equipment (8), cutting device, pipe discharging device production line position are equipped with the support device run along production line, and support device is connected with sealing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410631571.5A CN104455790B (en) | 2014-11-12 | 2014-11-12 | Fiberglass PE multiple tube and continuous winding production technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410631571.5A CN104455790B (en) | 2014-11-12 | 2014-11-12 | Fiberglass PE multiple tube and continuous winding production technology |
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| Publication Number | Publication Date |
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| CN104455790A true CN104455790A (en) | 2015-03-25 |
| CN104455790B CN104455790B (en) | 2016-09-07 |
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| CN201410631571.5A Active CN104455790B (en) | 2014-11-12 | 2014-11-12 | Fiberglass PE multiple tube and continuous winding production technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827576A (en) * | 2016-08-08 | 2017-06-13 | 山东极威新材料科技有限公司 | A kind of continuous fiber reinforced thermoplastic multiple tube and its forming method |
| CN109228404A (en) * | 2018-08-13 | 2019-01-18 | 北京航空航天大学 | A kind of various dimensions increasing material manufacturing method for continuous fiber reinforced composite materials shaping structures |
| CN115609897A (en) * | 2022-12-14 | 2023-01-17 | 河北省多基复合材料产业技术研究院有限公司 | Composite winding glass steel pipe and preparation method thereof |
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| US3020068A (en) * | 1959-02-18 | 1962-02-06 | Victaulic Co Of America | Coupling of lined pipe and methods |
| US3563573A (en) * | 1968-04-02 | 1971-02-16 | Dunlop Co Ltd | Pipe assemblies |
| CN2408339Y (en) * | 2000-01-20 | 2000-11-29 | 冷兴武 | Fibre winding glass fibre reinforced plastic sand sandwiched fabric pipe |
| CN203453667U (en) * | 2013-07-10 | 2014-02-26 | 周忠明 | A pipe fitting locking connector |
| CN103672214A (en) * | 2013-12-17 | 2014-03-26 | 浙江双林机电科技有限公司 | Glass reinforced plastic-lined pipe and production method thereof |
| CN204284687U (en) * | 2014-11-12 | 2015-04-22 | 浙江双林塑料机械有限公司 | A kind of glass fibre reinforced plastics PE composite pipe |
-
2014
- 2014-11-12 CN CN201410631571.5A patent/CN104455790B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3020068A (en) * | 1959-02-18 | 1962-02-06 | Victaulic Co Of America | Coupling of lined pipe and methods |
| US3563573A (en) * | 1968-04-02 | 1971-02-16 | Dunlop Co Ltd | Pipe assemblies |
| CN2408339Y (en) * | 2000-01-20 | 2000-11-29 | 冷兴武 | Fibre winding glass fibre reinforced plastic sand sandwiched fabric pipe |
| CN203453667U (en) * | 2013-07-10 | 2014-02-26 | 周忠明 | A pipe fitting locking connector |
| CN103672214A (en) * | 2013-12-17 | 2014-03-26 | 浙江双林机电科技有限公司 | Glass reinforced plastic-lined pipe and production method thereof |
| CN204284687U (en) * | 2014-11-12 | 2015-04-22 | 浙江双林塑料机械有限公司 | A kind of glass fibre reinforced plastics PE composite pipe |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827576A (en) * | 2016-08-08 | 2017-06-13 | 山东极威新材料科技有限公司 | A kind of continuous fiber reinforced thermoplastic multiple tube and its forming method |
| CN109228404A (en) * | 2018-08-13 | 2019-01-18 | 北京航空航天大学 | A kind of various dimensions increasing material manufacturing method for continuous fiber reinforced composite materials shaping structures |
| CN115609897A (en) * | 2022-12-14 | 2023-01-17 | 河北省多基复合材料产业技术研究院有限公司 | Composite winding glass steel pipe and preparation method thereof |
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| Publication number | Publication date |
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| CN104455790B (en) | 2016-09-07 |
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Address after: Hangzhou City, Zhejiang province 311100 Linping Yuhang Economic Development Zone No. 111 Tian He Lu Patentee after: Zhejiang two woods machinery limited company Address before: Hangzhou City, Zhejiang province 311100 Linping Yuhang Economic Development Zone No. 111 Tian He Lu Patentee before: Zhejiang Shuanglin Plastic Machinery Co., Ltd. |
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