CN105835345B - The winding shaping process of fiber glass epoxy threeway - Google Patents
The winding shaping process of fiber glass epoxy threeway Download PDFInfo
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- CN105835345B CN105835345B CN201610342559.1A CN201610342559A CN105835345B CN 105835345 B CN105835345 B CN 105835345B CN 201610342559 A CN201610342559 A CN 201610342559A CN 105835345 B CN105835345 B CN 105835345B
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- winding
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Classifications
-
- 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
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/583—Winding and joining, e.g. winding spirally helically for making tubular articles with particular features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
- B29B15/14—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length of filaments or wires
-
- 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
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/60—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2063/00—Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material
-
- 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
- B29L2031/00—Other particular articles
- B29L2031/24—Pipe joints or couplings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a kind of winding shaping process of fiber glass epoxy threeway, comprise the following steps：1）Preparation；2）Dispensing；3）Shaping：3.1）Inner liner makes；3.2）Liner enhancement layer makes；3.3）Structural reinforcement makes；4）Solidification；5）The demoulding；6）Solidify afterwards；7）Examine.The winding shaping process of fiber glass epoxy threeway of the present invention, the fiber glass epoxy threeway quality that it is prepared is good, and service life is long.
Description
Technical field
The present invention relates to the winding shaping process of fiber glass epoxy threeway.
Background technology
Winding shaping process is by the continuous fiber of dipped modified epoxy glue（Or strap, prepegged strands）According to certain
Rule is wound on core, the then cured, demoulding, obtains product.And the winding shaping process of existing fiber glass epoxy threeway
Have much room for improvement.
The content of the invention
It is an object of the invention to provide a kind of winding shaping process of fiber glass epoxy threeway, its expoxy glass prepared
Steel threeway quality is good, and service life is long.
To achieve the above object, the technical scheme is that designing a kind of Wrapping formed work of fiber glass epoxy threeway
Skill, comprises the following steps：
1）Preparation：
1.1）Get raw material and auxiliary material；The raw material include：Modified epoxy, curing agent, diluent；Institute
Stating auxiliary material includes：Glass fiber yarn, three-dimensional cloth, surface felt；
1.2）Check whether raw material exceed the term of validity, whether color and luster is uniform, has free from admixture, whether there is semigel bulk suspension
Thing；Check whether glass fiber yarn, three-dimensional cloth, surface felt make moist；
1.3）Three-way valve mold is got, die surface processing is clean, accomplish bright and clean impulse- free robustness, not damaged；By mould installion
Onto Wiring apparatus, wax is uniformly spread in die surface after being fixedly secured, to be stripped；If temperature is less than 10 DEG C, mould is needed
Carrying out preheating makes its surface temperature reach 45 ± 10 DEG C, then installs a mold on Wiring apparatus；
1.4）According to the specific size of threeway, the three-dimensional cloth made needed for threeway is cut in advance, it is stand-by；
2）Dispensing：
2.1）100 ± 1 part by weight modified epoxy resin are taken, pours into and is heated in heating bucket；When environment temperature be less than 15 DEG C, plus
Hot barrel temperature control is at 70 ± 5 DEG C；When environment temperature is higher than 15 DEG C, heating barrel temperature control is at 50 ± 5 DEG C；
2.2）Modified epoxy after heating is put into mixer, then put into 24 ± 0.5 parts by weight curing agent and 0.1~
0.3 parts by weight diluent, is mixed evenly, and compound is made stand-by；
3）Shaping：
3.1）Inner liner makes：Deployed compound is first painted on three-way valve mold, then in the main straight tube of three-way valve mold
Upper twisting surface felt, then cross winding, finally the twisting surface felt on branch pipe are carried out to branch pipe；
3.2）Liner enhancement layer makes：After inner liner completes, with 12~20 strands of glass fiber yarn composition row's yarns in master
3~4mm is wound on straight tube thick to bellmouth, winding thickness is uniform, surface Shunping County；By mould after the completion of main straight tube liner enhancement layer
Fall to turn 90 degrees, then the same 3~4mm that twined with 12~20 strands of glass fiber yarn composition row's yarns is thick to bellmouth on branch pipe, winds thick
It is thin uniform, surface Shunping County；
3.3）Structural reinforcement makes：
3.3.1）Three-dimensional cloth winding is first carried out on main straight tube, is twined with scrap (bridge) half to bellmouth, surface Shunping County, winding is returned
After cut strap；Winding infiltrates cutting behind the three-dimensional cloth of compound, return Shunping County on branch pipe again；
3.3.2）The three-dimensional cloth of proper width is laid on to the positive back side of three-way valve mold trigonum, the position of replaceable mould,
The three-dimensional cloth of suitable size is respectively laid in the trigonum on three-way valve mold both sides, until meeting thickness requirement；Then again in mould two
The trigonum on side respectively lays one piece of rectangular three-dimensional cloth, the length of every piece of three-dimensional cloth to cover enough the main straight tube in mould both sides with
The center and trigonum position of branch pipe connection；And when laying three-dimensional cloth, three-dimensional cloth is infiltrated into compound in advance；
3.3.3）Mould is adjusted, branch pipe upward, infiltrated the three-dimensional cloth of compound on, will be propped up with 4 strands of glass fiber yarns
Pipe is tied tight, and both sides are formed on netted intersection to compress trigonum by the rack rod on flange end plate, wipe unnecessary modification off
Epoxy resin, is completely covered behind trigonum, cuts the glass fiber yarn hung on rack；
3.3.4）Repeat step 3.3.1）To step 3.3.3）, to reach thickness requirement；
3.3.5）Mould is turned, branch pipe is fixed with fixture, in branch pipe surface wrap glass fiber yarn, surface Shunping County, finally
Threeway surface clout is removed；
3.3.6）It is after winding terminates, equipment cleaning is clean；
4）Solidification：
The threeway for winding completion is moved and put to curing oven, solidification temperature is 90~120 DEG C, hardening time >=70 minute；
5）The demoulding：
It is stripped after the threeway removal curing oven completed, natural cooling being solidified；First remove the method tritonope of both mold ends
Plate, then dismantle the assembling die of the inside；
6）Solidify afterwards：
Product after the demoulding will carry out solidify afterwards, and 130~140 DEG C of solidify afterwards temperature, the time is not less than 150 minutes；
7）Examine：
Check that the inner surface for the threeway for having taken off mould whether there is leak adhesive defect, if any then needing to carry out inspection reparation, place into
Product storage area is stand-by.
It is preferred that, by weight, the modified epoxy is composed of the following components：
68 parts of epoxide modified epoxy resin of Bisphenol A Type,
14 parts of bisphenol F type epoxy modified epoxies,
9 parts of benzoxazine resins,
3.5 parts of short chain fatty acids,
2.6 parts of vinyltrimethoxy silanes,
1.4 parts of γ-(methacryloxypropyl) propyl trimethoxy silicanes,
2.5 parts of 1-METHYLPYRROLIDONEs,
1.7 parts of calgons,
1.4 parts of pentaerythritol triacrylates,
1.6 parts of ethylene glycol monostearates.
It is preferred that, the curing agent is selected from MDA, 4,4'- diaminodiphenylsulfones, polyethylene polyamine
It is one or more.
It is preferred that, the diluent is selected from acetone, MEK, cyclohexanone, benzene,toluene,xylene, n-butanol, styrene
In one or more.
The advantages of the present invention are：A kind of winding shaping process of fiber glass epoxy threeway is provided, it is made
Standby fiber glass epoxy threeway quality is good, and service life is long.
Embodiment
With reference to embodiment, the embodiment to the present invention is further described.Following examples are only used for more
Plus technical scheme is clearly demonstrated, and can not be limited the scope of the invention with this.
The technical scheme that the present invention is embodied is：
A kind of winding shaping process of fiber glass epoxy threeway, comprises the following steps：
1）Preparation：
1.1）Get raw material and auxiliary material；The raw material include：Modified epoxy, curing agent, diluent；Institute
Stating auxiliary material includes：Glass fiber yarn, three-dimensional cloth, surface felt；
1.2）Check whether raw material exceed the term of validity, whether color and luster is uniform, has free from admixture, whether there is semigel bulk suspension
Thing；Check whether glass fiber yarn, three-dimensional cloth, surface felt make moist；
1.3）Three-way valve mold is got, die surface processing is clean, accomplish bright and clean impulse- free robustness, not damaged；By mould installion
Onto Wiring apparatus, wax is uniformly spread in die surface after being fixedly secured, to be stripped；If temperature is less than 10 DEG C, mould is needed
Carrying out preheating makes its surface temperature reach 45 ± 10 DEG C, then installs a mold on Wiring apparatus；
1.4）According to the specific size of threeway, the three-dimensional cloth made needed for threeway is cut in advance, it is stand-by；
2）Dispensing：
2.1）100 ± 1 part by weight modified epoxy resin are taken, pours into and is heated in heating bucket；When environment temperature be less than 15 DEG C, plus
Hot barrel temperature control is at 70 ± 5 DEG C；When environment temperature is higher than 15 DEG C, heating barrel temperature control is at 50 ± 5 DEG C；
2.2）Modified epoxy after heating is put into mixer, then put into 24 ± 0.5 parts by weight curing agent and 0.1~
0.3 parts by weight diluent, is mixed evenly, and compound is made stand-by；
3）Shaping：
3.1）Inner liner makes：Deployed compound is first painted on three-way valve mold, then in the main straight tube of three-way valve mold
Upper twisting surface felt, then cross winding, finally the twisting surface felt on branch pipe are carried out to branch pipe；
3.2）Liner enhancement layer makes：After inner liner completes, with 12~20 strands of glass fiber yarn composition row's yarns in master
3~4mm is wound on straight tube thick to bellmouth, winding thickness is uniform, surface Shunping County；By mould after the completion of main straight tube liner enhancement layer
Fall to turn 90 degrees, then the same 3~4mm that twined with 12~20 strands of glass fiber yarn composition row's yarns is thick to bellmouth on branch pipe, winds thick
It is thin uniform, surface Shunping County；
3.3）Structural reinforcement makes：
3.3.1）Three-dimensional cloth winding is first carried out on main straight tube, is twined with scrap (bridge) half to bellmouth, surface Shunping County, winding is returned
After cut strap；Winding infiltrates cutting behind the three-dimensional cloth of compound, return Shunping County on branch pipe again；
3.3.2）The three-dimensional cloth of proper width is laid on to the positive back side of three-way valve mold trigonum, the position of replaceable mould,
The three-dimensional cloth of suitable size is respectively laid in the trigonum on three-way valve mold both sides, until meeting thickness requirement；Then again in mould two
The trigonum on side respectively lays one piece of rectangular three-dimensional cloth, the length of every piece of three-dimensional cloth to cover enough the main straight tube in mould both sides with
The center and trigonum position of branch pipe connection；And when laying three-dimensional cloth, three-dimensional cloth is infiltrated into compound in advance；
3.3.3）Mould is adjusted, branch pipe upward, infiltrated the three-dimensional cloth of compound on, will be propped up with 4 strands of glass fiber yarns
Pipe is tied tight, and both sides are formed on netted intersection to compress trigonum by the rack rod on flange end plate, wipe unnecessary modification off
Epoxy resin, is completely covered behind trigonum, cuts the glass fiber yarn hung on rack；
3.3.4）Repeat step 3.3.1）To step 3.3.3）, to reach thickness requirement；
3.3.5）Mould is turned, branch pipe is fixed with fixture, in branch pipe surface wrap glass fiber yarn, surface Shunping County, finally
Threeway surface clout is removed；
3.3.6）It is after winding terminates, equipment cleaning is clean；
4）Solidification：
The threeway for winding completion is moved and put to curing oven, solidification temperature is 90~120 DEG C, hardening time >=70 minute；
5）The demoulding：
It is stripped after the threeway removal curing oven completed, natural cooling being solidified；First remove the method tritonope of both mold ends
Plate, then dismantle the assembling die of the inside；
6）Solidify afterwards：
Product after the demoulding will carry out solidify afterwards, and 130~140 DEG C of solidify afterwards temperature, the time is not less than 150 minutes；
7）Examine：
Check that the inner surface for the threeway for having taken off mould whether there is leak adhesive defect, if any then needing to carry out inspection reparation, place into
Product storage area is stand-by.
By weight, the modified epoxy is composed of the following components：
68 parts of epoxide modified epoxy resin of Bisphenol A Type,
14 parts of bisphenol F type epoxy modified epoxies,
9 parts of benzoxazine resins,
3.5 parts of short chain fatty acids,
2.6 parts of vinyltrimethoxy silanes,
1.4 parts of γ-(methacryloxypropyl) propyl trimethoxy silicanes,
2.5 parts of 1-METHYLPYRROLIDONEs,
1.7 parts of calgons,
1.4 parts of pentaerythritol triacrylates,
1.6 parts of ethylene glycol monostearates.
The one kind or many of the curing agent in MDA, 4,4' diaminodiphenyl sulfone, polyethylene polyamine
Kind.
The one kind of the diluent in acetone, MEK, cyclohexanone, benzene,toluene,xylene, n-butanol, styrene
Or it is a variety of.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (4)
1. the winding shaping process of fiber glass epoxy threeway, it is characterised in that comprise the following steps：
1）Preparation：
1.1）Get raw material and auxiliary material；The raw material include：Modified epoxy, curing agent, diluent；It is described auxiliary
Material is helped to include：Glass fiber yarn, three-dimensional cloth, surface felt；
1.2）Check whether raw material exceed the term of validity, whether color and luster is uniform, has free from admixture, whether there is the block suspension of semigel；
Check whether glass fiber yarn, three-dimensional cloth, surface felt make moist；
1.3）Three-way valve mold is got, die surface processing is clean, accomplish bright and clean impulse- free robustness, not damaged；Install a mold into and twine
In equipment, wax is uniformly spread in die surface after being fixedly secured, to be stripped；If temperature is less than 10 DEG C, mould needs to carry out
Preheating makes its surface temperature reach 45 ± 10 DEG C, then installs a mold on Wiring apparatus；
1.4）According to the specific size of threeway, the three-dimensional cloth made needed for threeway is cut in advance, it is stand-by；
2）Dispensing：
2.1）100 ± 1 part by weight modified epoxy resin are taken, pours into and is heated in heating bucket；When environment temperature is less than 15 DEG C, bucket is heated
Temperature control is at 70 ± 5 DEG C；When environment temperature is higher than 15 DEG C, heating barrel temperature control is at 50 ± 5 DEG C；
2.2）Modified epoxy after heating is put into mixer, then puts into 24 ± 0.5 parts by weight curing agent and 0.1~0.3
Parts by weight diluent, is mixed evenly, and compound is made stand-by；
3）Shaping：
3.1）Inner liner makes：Deployed compound is first painted on three-way valve mold, then is twined on the main straight tube of three-way valve mold
Cross winding is carried out around surface felt, then to branch pipe, finally the twisting surface felt on branch pipe；
3.2）Liner enhancement layer makes：After inner liner completes, with 12~20 strands of glass fiber yarn composition row's yarns in main straight tube
3~4mm of upper winding is thick to bellmouth, and winding thickness is uniform, surface Shunping County；Mould is turned round after the completion of main straight tube liner enhancement layer
90 degree, then same on branch pipe to twine 3~4mm thickness to bellmouth with 12~20 strands of glass fiber yarn composition row's yarns, winding thickness will
Uniformly, surface Shunping County；
3.3）Structural reinforcement makes：
3.3.1）Three-dimensional cloth winding is first carried out on main straight tube, is twined with scrap (bridge) half to bellmouth, surface Shunping County, winding is cut after returning
Disconnected strap；Winding infiltrates cutting behind the three-dimensional cloth of compound, return Shunping County on branch pipe again；
3.3.2）The three-dimensional cloth of proper width is laid on to the positive back side of three-way valve mold trigonum, the position of replaceable mould, three
The trigonum on logical mould both sides respectively lays the three-dimensional cloth of suitable size, until meeting thickness requirement；Then again on mould both sides
Trigonum respectively lays one piece of rectangular three-dimensional cloth, and the length of every piece of three-dimensional cloth will cover the main straight tube in mould both sides and branch pipe enough
The center and trigonum position of connection；And when laying three-dimensional cloth, three-dimensional cloth is infiltrated into compound in advance；
3.3.3）Mould is adjusted, and branch pipe upward, infiltrated the three-dimensional cloth of compound on, and branch pipe strangled with 4 strands of glass fiber yarns
Tightly, both sides are formed on netted intersection to compress trigonum by the rack rod on flange end plate, wipe unnecessary modified epoxy off
Resin, is completely covered behind trigonum, cuts the glass fiber yarn hung on rack；
3.3.4）Repeat step 3.3.1）To step 3.3.3）, to reach thickness requirement；
3.3.5）Mould is turned, branch pipe is fixed with fixture, in branch pipe surface wrap glass fiber yarn, surface Shunping County, finally by three
Logical surface clout is removed；
3.3.6）It is after winding terminates, equipment cleaning is clean；
4）Solidification：
The threeway for winding completion is moved and put to curing oven, solidification temperature is 90~120 DEG C, hardening time >=70 minute；
5）The demoulding：
It is stripped after the threeway removal curing oven completed, natural cooling being solidified；The blank flange of both mold ends is first removed, then
Assembling die inside dismounting；
6）Solidify afterwards：
Product after the demoulding will carry out solidify afterwards, and 130~140 DEG C of solidify afterwards temperature, the time is not less than 150 minutes；
7）Examine：
Check that the inner surface for the threeway for having taken off mould whether there is leak adhesive defect, if any then needing to carry out inspection reparation, place into product
Storage area is stand-by.
2. the winding shaping process of fiber glass epoxy threeway according to claim 1, it is characterised in that by weight,
The modified epoxy is composed of the following components：
68 parts of epoxide modified epoxy resin of Bisphenol A Type,
14 parts of bisphenol F type epoxy modified epoxies,
9 parts of benzoxazine resins,
3.5 parts of short chain fatty acids,
2.6 parts of vinyltrimethoxy silanes,
1.4 parts of γ-(methacryloxypropyl) propyl trimethoxy silicanes,
2.5 parts of 1-METHYLPYRROLIDONEs,
1.7 parts of calgons,
1.4 parts of pentaerythritol triacrylates,
1.6 parts of ethylene glycol monostearates.
3. the winding shaping process of fiber glass epoxy threeway according to claim 2, it is characterised in that the curing agent choosing
One or more from MDA, 4,4' diaminodiphenyl sulfone, polyethylene polyamine.
4. the winding shaping process of fiber glass epoxy threeway according to claim 3, it is characterised in that the diluent choosing
One or more from acetone, MEK, cyclohexanone, benzene,toluene,xylene, n-butanol, styrene.
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| CN201610342559.1A CN105835345B (en) | 2016-05-23 | 2016-05-23 | The winding shaping process of fiber glass epoxy threeway |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610342559.1A CN105835345B (en) | 2016-05-23 | 2016-05-23 | The winding shaping process of fiber glass epoxy threeway |
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| CN108407344A (en) * | 2017-12-27 | 2018-08-17 | 渤海造船厂集团有限公司 | The production method of Marine GRP pipeline threeway |
| CN111410897A (en) * | 2020-04-24 | 2020-07-14 | 山东多驰工程技术有限公司 | Method for continuously manufacturing anti-corrosion inner lining layer on inner wall of metal pipeline on site |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CH672611A5 (en) * | 1987-04-30 | 1989-12-15 | Fischer Ag Georg | |
| JPH04299125A (en) * | 1991-03-28 | 1992-10-22 | Sekisui Chem Co Ltd | Molding method of laminated pipe joint made of frp |
| IT1271954B (en) * | 1993-02-11 | 1997-06-10 | Geco System | METHOD AND DEVICE FOR THE REALIZATION OF THERMAL FUSE JOINT CONNECTIONS HAVING AN ELECTRIC HEATING WIRE IN THE WALL |
| FR2941166A1 (en) * | 2009-01-22 | 2010-07-23 | Eads Europ Aeronautic Defence | PROCESS FOR PRODUCING COMPLEX COMPOSITE COMPONENTS |
| CN103032648A (en) * | 2012-12-20 | 2013-04-10 | 江西科得玻璃钢有限公司 | Glass reinforced plastic (GRP) trouser leg three-way pipe and manufacturing method thereof |
| CN105459412B (en) * | 2015-12-19 | 2018-06-26 | 胜利油田新大管业科技发展有限责任公司 | Equipment and manufacturing process is made in a kind of fiber fw frp pipe fitting |
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