CN102278342A - Method for bonding carbon fiber pipe with metal flanges internally and externally - Google Patents

Method for bonding carbon fiber pipe with metal flanges internally and externally Download PDF

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Publication number
CN102278342A
CN102278342A CN201110177733A CN201110177733A CN102278342A CN 102278342 A CN102278342 A CN 102278342A CN 201110177733 A CN201110177733 A CN 201110177733A CN 201110177733 A CN201110177733 A CN 201110177733A CN 102278342 A CN102278342 A CN 102278342A
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China
Prior art keywords
metal
flange
pipe fitting
carbon fibre
fibre pipe
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CN201110177733A
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CN102278342B (en
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陶国权
吕明云
卫宇晨
王裕夫
武哲
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Beihang University
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Beihang University
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Abstract

The invention provides a method for bonding a carbon fiber pipe with metal flanges internally and externally. The method comprises the following steps of: step 1, carrying out surface treatment on the carbon fiber pipe and the metal flanges to be connected; step 2, connecting the carbon fiber pipe after the surface treatment with an outer metal flange through carbon filaments; step 3, connecting an inner metal flange through the carbon filaments, and locating the inner metal flange and the outer metal flange through flange hole dowel pins; step 4, taking off the flange hole dowel pins and removing excessive adhesive; and step 5, bonding, heating and curing the carbon fiber pipe and the metal flanges. According to the method for bonding the carbon fiber pipe with the metal flanges internally and externally, disclosed by the invention, a new connection manner is provided for the carbon fiber pipes and metal connecting pieces, the method is simple and convenient, the connection capability between the carbon fiber pipes and metal joints is effectively improved and the safety and the reliability of a structural system are increased.

Description

The inside and outside bonding method of a kind of carbon fibre pipe fitting and metal flange
Technical field
The invention belongs to composite material space truss technical field, be specifically related to the inside and outside bonding method of a kind of carbon fibre pipe fitting and metal flange.
Background technique
The stratosphere aerostatics has civilian and military purposes widely because of it, now has been subjected to the attention of various countries.Aerostatics relies on net buoyancy to reside in 20000~30000 meters high-altitude, because this spatial domain rarefaction of air, buoyancy is little, so light-weight design is the key of aerostatics development.The structural system that supports the whole platform of aerostatics adopts the space truss structure form, and the basic element of character of truss structure is lightweight, high-strength carbon fibre reinforced pipe spare and aerolite link.The aerostatics truss structure is different from spaceborne truss structure, need bear bigger load when supporting whole system, wherein the load between carbon fibre pipe fitting and the metal connecting piece is particularly outstanding, and the connectivity problem that solves between the two is the key of lightweight, high-strength structural system.The general employing gluedd joint, gluedd joint and add the riveted joint dual mode between existing carbon fibre pipe fitting and the metal connecting piece, because carbon fibre pipe fitting is a thin-walled member, rivet inoperatively substantially, so adopts bonding mode.Splicing length in the splicing power of carbon fibre pipe fitting and metal tub link and the certain limit is directly proportional, surpass critical length after splicing power do not increase with the increase of glueing joint length, this down phenomenon limits the bearing capacity of carbon fibre pipe fitting.
Summary of the invention
At problems of the prior art, the present invention proposes the inside and outside bonding method of a kind of carbon fibre pipe fitting and metal flange, and is for carbon fibre pipe fitting and metal connecting piece provide a kind of new Placement, simple and convenient; Improve the bonding force between carbon fibre pipe fitting and the metal connecting piece, improve the integrated carrying ability of truss structure.
The present invention proposes a kind of carbon fibre pipe fitting and the inside and outside bonding method of metal flange, comprises following step:
Step 1: carbon fibre pipe fitting to be connected and metal flange are carried out surface treatment:
The inner and outer surface of carbon fibre pipe fitting termination sand paper uniform grinding all carries out the phosphoric acid processing with metal inner flange and metal outward flange;
Step 2: evenly brush carbon fiber structural glue in the axial external surface of carbon fibre pipe fitting one end and the axial internal surface of metal outward flange, brush coating finishes, carbon filament after carrying out criss-crossing, the end face of carbon fibre pipe fitting is invested the carbon fibre pipe fitting termination of brush coating, the metal outward flange is at the uniform velocity pushed the outside of carbon fibre pipe fitting termination along the axial direction of carbon fibre pipe fitting, remove unnecessary carbon fiber structural glue;
Step 3: evenly brush carbon fiber structural glue at the axial internal surface of carbon fibre pipe fitting and the axial external surface of metal inner flange, brush coating finishes, with carbon filament after the end face criss-crossing of metal inner flange, invest metal inner flange brush coating outer surface, evenly the metal inner flange is pushed the inboard of carbon fibre pipe fitting, and the screw hole of metal inner flange and metal outward flange is aimed at, when the distance between the flange plate of metal inner flange and metal outward flange is 8~10mm, stop to promote the metal inner flange, with the flange hole locating stud metal inner flange and metal outward flange are carried out the location, hole again, at the uniform velocity promote locating stud behind the location, make coaxial tight connection of metal inner flange and metal outward flange;
Step 4: take off the flange hole locating stud, the positioning hole of metal inner flange and the coincidence of metal outward flange is locked successively with fastening screw trip bolt;
Step 5: splicing is heating and curing:
(1) product after interior outward flange is adhesively fixed is heating and curing according to the curing process of carbon fiber structural glue, naturally cools to room temperature then;
(2) solidify the back that finishes and take out product, unclamp fastening screw trip bolt, finish the inside and outside bonding process of carbon fibre pipe fitting and metal flange.
The advantage that the present invention has is:
(1) the present invention proposes the inside and outside bonding method of a kind of carbon fibre pipe fitting and metal flange, and is for carbon fibre pipe fitting and metal connecting piece provide a kind of new Placement, simple and convenient;
(2) the present invention proposes a kind of carbon fibre pipe fitting and the inside and outside bonding method of metal flange, effectively raises the concatenation ability between carbon fibre pipe fitting and the metal joint;
(3) the present invention proposes a kind of carbon fibre pipe fitting and the inside and outside bonding method of metal flange, has improved the integrated carrying ability of truss structure;
(4) the present invention proposes a kind of carbon fibre pipe fitting and the inside and outside bonding method of metal flange, has increased the Security and the reliability of structural system.
Description of drawings
Fig. 1: the structural representation of carbon fibre pipe fitting of the present invention and metal outward flange;
Fig. 2: the bonding structural representation that finishes of metal outward flange among the present invention;
Fig. 3: the structural representation that is bonded with carbon fibre pipe fitting and metal inner flange behind the metal outward flange among the present invention;
Fig. 4: the bonding structural representation that finishes of metal inner flange among the present invention;
Fig. 5: metal inner flange and metal outward flange are connected with the structural representation of flange hole locating stud among the present invention;
Fig. 6: two ends all are connected with the product finished product structural representation of outward flange in the metal among the present invention.
Among the figure: the 1-carbon fibre pipe fitting; 2-metal outward flange; The 3-carbon filament; 4-metal inner flange.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
The present invention proposes a kind of carbon fibre pipe fitting and the inside and outside bonding method of metal flange, specifically comprises following step:
Step 1: carbon fibre pipe fitting to be connected and metal flange are carried out surface treatment:
As shown in Figure 1, the inner and outer surface sand paper uniform grinding of carbon fibre pipe fitting 1 termination, polishing stops behind the black powder of carbon fiber to occurring, then with containing dedusting paper cleaning carbon fibre pipe fitting 1 termination of analyzing rectified alcohol, drying process is carried out to carbon fibre pipe fitting 1 in the cleaning back, places 60~70 ℃ of bakings of baking oven 15~20 minutes; Metal flange (comprising metal inner flange 4 and metal outward flange 2) carries out phosphoric acid according to the method for air standard numbering (HB/Z 197-1991) to be handled, and handles the back and uses in 48 hours.
Step 2: as shown in Figure 2, according to bonding sequencing, the carbon fibre pipe fitting 1 one end outer surfaces after surface treatment and the axial internal surface of metal outward flange 2 are evenly brushed carbon fiber structural glue earlier, brush coating finishes, carbon filament 3 after carrying out criss-crossing, the end face of carbon fibre pipe fitting is invested carbon fibre pipe fitting 1 termination of brush coating, carbon filament makes the length of carbon filament 3 be enough to guarantee that the metal outward flange is socketed on the carbon fibre pipe fitting 1 fully more than the length of the axle side of carbon fibre pipe fitting 1 is greater than metal outward flange length 1cm.Metal outward flange 2 is slowly at the uniform velocity pushed the outside of carbon fibre pipe fitting 1 termination along the axial direction of carbon fibre pipe fitting 1, remove unnecessary carbon filament 3, remove unnecessary glue.Described carbon filament 3 width are 0.8~1.2mm, and thickness is 0.1~0.15mm.
Step 3: as shown in Figure 3 and Figure 4, evenly brush carbon fiber structural glue on the interior axle surface of carbon fibre pipe fitting 1 and the outer shaft surface of metal inner flange 4, brush coating finishes, with carbon filament after the end face criss-crossing of metal inner flange 4, carbon filament 3 invests metal inner flange 4 brush coating outer surface, cut unnecessary carbon filament 3, slowly evenly inner flange is pushed the carbon fibre pipe fitting inboard, the screw hole of metal inner flange 4 and metal outward flange 2 is aimed at, avoid metal inner flange large angle torsion, influence bonding effect.When the distance between the flange plate of metal inner flange 4 and metal outward flange 2 is 8~10mm, stop to promote metal inner flange 4, unnecessary glue between outward flange in removing, with the flange hole locating stud metal inner flange and metal outward flange are carried out the location, hole again, as shown in Figure 5, at the uniform velocity promote locating stud behind the location, the coaxial tight connection of outward flange in making.
The internal diameter R of described metal outward flange 2 4External diameter R with carbon fibre pipe fitting 3Satisfy R 4-R 3≤ 0.2mm, the external diameter R of metal inner flange 4 1Internal diameter R with carbon fibre pipe fitting 2Satisfy R 2-R 1≤ 0.2mm.
Step 4: remove carbon fiber structural glue unnecessary on carbon fibre pipe fitting 1, metal inner flange 4 and the metal outward flange 2, take off the flange hole locating stud, the carbon fiber structural glue of flange hole inside is handled totally with dedusting paper, the positioning hole of metal inner flange 4 and 2 coincidences of metal outward flange is locked successively with fastening screw trip bolt.
Step 5: splicing is heating and curing:
(1) product after metal inner flange 4 and metal outward flange 2 are adhesively fixed is heating and curing according to the curing process of carbon fiber structural glue, naturally cools to room temperature then.
(2) solidify the back that finishes and take out product, unclamp fastening screw trip bolt, finish carbon fibre pipe fitting 1 and the inside and outside bonding process of metal flange, product as shown in Figure 6.

Claims (5)

1. the inside and outside bonding method of carbon fibre pipe fitting and metal flange is characterized in that: comprise following step:
Step 1: carbon fibre pipe fitting to be connected and metal flange are carried out surface treatment:
The inner and outer surface of carbon fibre pipe fitting termination sand paper uniform grinding all carries out the phosphoric acid processing with metal inner flange and metal outward flange;
Step 2: evenly brush carbon fiber structural glue in the axial external surface of carbon fibre pipe fitting one end and the axial internal surface of metal outward flange, brush coating finishes, carbon filament after carrying out criss-crossing, the end face of carbon fibre pipe fitting is invested the carbon fibre pipe fitting termination of brush coating, the metal outward flange is at the uniform velocity pushed the outside of carbon fibre pipe fitting termination along the axial direction of carbon fibre pipe fitting, remove unnecessary carbon fiber structural glue;
Step 3: evenly brush carbon fiber structural glue at the axial internal surface of carbon fibre pipe fitting and the outer shaft surface of metal inner flange, brush coating finishes, with carbon filament after the end face criss-crossing of inner flange, carbon filament invests metal inner flange brush coating outer surface, evenly the metal inner flange is pushed the carbon fibre pipe fitting inboard, and the screw hole of metal inner flange and metal outward flange is aimed at, when the distance between the flange plate of metal inner flange and metal outward flange is 8~10mm, stop to promote the metal inner flange, with the flange hole locating stud metal inner flange and metal outward flange are carried out the location, hole again, at the uniform velocity promote locating stud behind the location, make coaxial tight connection of metal inner flange and metal outward flange;
Step 4: take off the flange hole locating stud, the positioning hole of metal inner flange and the coincidence of metal outward flange is locked successively with fastening screw trip bolt;
Step 5: splicing is heating and curing:
(1) product after interior outward flange is adhesively fixed is heating and curing according to the curing process of carbon fiber structural glue, naturally cools to room temperature then;
(2) solidify the back that finishes and take out product, unclamp fastening screw trip bolt, finish the inside and outside bonding process of carbon fibre pipe fitting and metal flange.
2. the inside and outside bonding method of a kind of carbon fibre pipe fitting according to claim 1 and metal flange is characterized in that: the phosphoric acid processing in the described step 1 is numbered HB/Z 197-1991 according to air standard and carries out.
3. the inside and outside bonding method of a kind of carbon fibre pipe fitting according to claim 1 and metal flange, it is characterized in that: the width of described carbon filament is 0.8~1.2mm, thickness is 0.1~0.15mm.
4. the inside and outside bonding method of a kind of carbon fibre pipe fitting according to claim 1 and metal flange is characterized in that: the internal diameter R of described metal outward flange 4External diameter R with carbon fibre pipe fitting 3Satisfy R 4-R 3≤ 0.2mm, the external diameter R of metal inner flange 1Internal diameter R with carbon fibre pipe fitting 2Satisfy R 2-R 1≤ 0.2mm.
5. the inside and outside bonding method of a kind of carbon fibre pipe fitting according to claim 1 and metal flange, it is characterized in that: carbon filament invests carbon fibre pipe fitting during the termination of brush coating in the described step 2 after the end face of carbon fibre pipe fitting carries out criss-crossing, and carbon filament is more than the length of the axle side of carbon fibre pipe fitting is greater than metal outward flange length 1cm.
CN 201110177733 2011-06-28 2011-06-28 Method for bonding carbon fiber pipe with metal flanges internally and externally Expired - Fee Related CN102278342B (en)

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CN104454944A (en) * 2014-09-25 2015-03-25 武汉理工大学 Ribbed woven winding carbon fiber composite transmission shaft
CN104832511A (en) * 2015-04-21 2015-08-12 中国科学院长春光学精密机械与物理研究所 Method for controlling thickness of optical remote sensor space truss rod adhesive glue layer
CN105351306A (en) * 2015-09-30 2016-02-24 奇瑞汽车股份有限公司 Carbon fiber and metal connecting structure and manufacturing method thereof for electric vehicles
CN105643961A (en) * 2016-01-08 2016-06-08 武汉理工大学 External pressure resistance composite material cylinder body and metal end socket co-curing connecting structure and manufacturing method thereof
CN106584875A (en) * 2016-11-25 2017-04-26 中国科学院宁波材料技术与工程研究所 Bolt adhering device for carbon fiber automobile structural component
CN106696305A (en) * 2016-12-15 2017-05-24 上海精智实业有限公司 Manufacturing technology of carbon fiber loading rod and carbon fiber loading rod
CN106853692A (en) * 2016-12-30 2017-06-16 北京天恒长鹰科技股份有限公司 Realize the heating means and truss assembly method of composite rapid curing bonding
CN106882360A (en) * 2016-11-02 2017-06-23 中国航天空气动力技术研究院 A kind of attachment structure and preparation method for solar powered aircraft main spar
CN108061201A (en) * 2018-01-02 2018-05-22 江门市德山复合材料科技有限公司 A kind of high pressure resistant polyurethane cladding carbon fiber composite pipe fitting and its manufacturing method
CN109175909A (en) * 2018-10-24 2019-01-11 郑州郑飞木业有限责任公司 A kind of group technology of front and rear panel and guiding tube
CN109454886A (en) * 2018-10-27 2019-03-12 滁州市润琦碳纤维制品有限公司 A kind of carbon fiber pipe and metal flange adhesive method
CN109737122A (en) * 2018-12-29 2019-05-10 中国科学院长春光学精密机械与物理研究所 The reinforcement means of carbon fiber bar and joint structure
CN110822202A (en) * 2018-08-10 2020-02-21 克罗姆普顿科技集团有限公司 Composite material connector and method of manufacturing the same
CN112197000A (en) * 2020-10-23 2021-01-08 宁波江丰复合材料科技有限公司 Carbon fiber end-capped product and end-capping method
CN112721090A (en) * 2020-12-07 2021-04-30 康命源(京山)新材料科技发展有限公司 Production process of flange connection double-wall corrugated pipe
CN113202849A (en) * 2021-05-08 2021-08-03 哈尔滨工业大学(威海) Carbon fiber pipe and metal joint glue connection process and metal joint
CN114123594A (en) * 2021-11-12 2022-03-01 北京航空航天大学 Electric ducted motor mounting bracket made of carbon fiber material and manufacturing method thereof
US11859739B2 (en) 2018-08-10 2024-01-02 Crompton Technology Group Limited Composite connectors and methods of manufacturing the same
US11975498B2 (en) 2018-08-10 2024-05-07 Crompton Technology Group Limited Composite connectors and methods of manufacturing the same
US12060955B2 (en) 2018-08-10 2024-08-13 Crompton Technology Group Limited Composite connectors and methods of manufacturing the same
US12066054B2 (en) 2018-08-10 2024-08-20 Crompton Technology Group Limited Composite connectors and methods of manufacturing the same

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CN111015543B (en) * 2019-11-25 2021-04-20 北京北机机电工业有限责任公司 Cylindrical part bonding tool

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Cited By (26)

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CN104454944A (en) * 2014-09-25 2015-03-25 武汉理工大学 Ribbed woven winding carbon fiber composite transmission shaft
CN104454944B (en) * 2014-09-25 2017-03-08 武汉理工大学 The braiding of rib formula is wound around Carbon Fiber Composite Propeller Shaft
CN104832511A (en) * 2015-04-21 2015-08-12 中国科学院长春光学精密机械与物理研究所 Method for controlling thickness of optical remote sensor space truss rod adhesive glue layer
CN105351306A (en) * 2015-09-30 2016-02-24 奇瑞汽车股份有限公司 Carbon fiber and metal connecting structure and manufacturing method thereof for electric vehicles
CN105351306B (en) * 2015-09-30 2019-02-22 奇瑞汽车股份有限公司 Electronic automobile-used carbon fiber and metal connecting structure and preparation method thereof
CN105643961A (en) * 2016-01-08 2016-06-08 武汉理工大学 External pressure resistance composite material cylinder body and metal end socket co-curing connecting structure and manufacturing method thereof
CN106882360B (en) * 2016-11-02 2019-05-24 中国航天空气动力技术研究院 A kind of connection structure and preparation method for solar powered aircraft main spar
CN106882360A (en) * 2016-11-02 2017-06-23 中国航天空气动力技术研究院 A kind of attachment structure and preparation method for solar powered aircraft main spar
CN106584875A (en) * 2016-11-25 2017-04-26 中国科学院宁波材料技术与工程研究所 Bolt adhering device for carbon fiber automobile structural component
CN106696305A (en) * 2016-12-15 2017-05-24 上海精智实业有限公司 Manufacturing technology of carbon fiber loading rod and carbon fiber loading rod
CN106853692A (en) * 2016-12-30 2017-06-16 北京天恒长鹰科技股份有限公司 Realize the heating means and truss assembly method of composite rapid curing bonding
CN108061201A (en) * 2018-01-02 2018-05-22 江门市德山复合材料科技有限公司 A kind of high pressure resistant polyurethane cladding carbon fiber composite pipe fitting and its manufacturing method
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CN112721090B (en) * 2020-12-07 2023-09-29 康命源(京山)新材料科技发展有限公司 Production process of flange connection double-wall corrugated pipe
CN112721090A (en) * 2020-12-07 2021-04-30 康命源(京山)新材料科技发展有限公司 Production process of flange connection double-wall corrugated pipe
CN113202849A (en) * 2021-05-08 2021-08-03 哈尔滨工业大学(威海) Carbon fiber pipe and metal joint glue connection process and metal joint
CN114123594A (en) * 2021-11-12 2022-03-01 北京航空航天大学 Electric ducted motor mounting bracket made of carbon fiber material and manufacturing method thereof

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