CN105857414A - Connection structure for automobile parts and production method of connection structure - Google Patents
Connection structure for automobile parts and production method of connection structure Download PDFInfo
- Publication number
- CN105857414A CN105857414A CN201610264057.1A CN201610264057A CN105857414A CN 105857414 A CN105857414 A CN 105857414A CN 201610264057 A CN201610264057 A CN 201610264057A CN 105857414 A CN105857414 A CN 105857414A
- Authority
- CN
- China
- Prior art keywords
- connector
- tongue
- attachment structure
- automobile component
- component attachment
- Prior art date
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 21
- 239000004917 carbon fiber Substances 0.000 claims abstract description 21
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000002131 composite material Substances 0.000 claims abstract description 16
- 239000000853 adhesive Substances 0.000 claims abstract description 12
- 230000001070 adhesive effect Effects 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 229910052799 carbon Inorganic materials 0.000 claims description 16
- 239000004744 fabric Substances 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 10
- 238000007598 dipping method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 238000002372 labelling Methods 0.000 claims description 6
- 239000003960 organic solvent Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000000084 colloidal system Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000004026 adhesive bonding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/04—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of synthetic material
- B62D29/048—Connections therefor, e.g. joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/08—Cars
Abstract
The invention provides a connection structure for automobile parts. The connection structure comprises a first connection piece and a second connection piece in adhesive joint with the first connection piece, and the first connection piece and the second connection piece are made of a carbon fiber composite. According to the connection structure for the automobile parts, the two connecting pieces are connected in an adhesive joint manner, the effective carbon fiber connection structure with high strength and low mass is formed, the connection efficiency is increased, the connection durability is improved, surface layering and shear failure frequently occurring in common connection can be reduced or eliminated, and better connection strength can be realized. The invention further provides a production method of the connection structure for the automobile parts and a floor assembly of an electric vehicle.
Description
Technical field
The invention belongs to technical field of automobile parts, specifically, the present invention relates to a kind of automobile component even
Access node structure and preparation method thereof.
Background technology
Automotive light weight technology technology is to save energy resource consumption for new-energy automobile and traditional combustion engine automobile, reduces ring
One of effective technical way of environment pollution.Authority's research display, if vehicle complete vehicle weight reduction 10%, fuel oil
Efficiency can improve 6% 8%；Automobile kerb weight often reduces 100 kilograms, and fuel consumption per hundred kilometers can reduce by 0.3 0.6
Rise.From the point of view of in terms of driving performance and crashworthiness, after automotive light weight technology, acceleration improves, braking distance
Reducing, during collision, inertia reduces, and wagon control susceptiveness, stability, noise and vibration aspect the most all have improvement.
In recent years, carbon fibre composite becomes automobile with unique light weight effect, high specific stiffness and high specific strength
The lightweight mainstream technology trend of industrial circle.
Increasingly extensive along with the application of automobile carbon fibre composite, combination between automotive composite material parts
The problem being connected fastening between assembling and carbon fibre composite parts with neighbouring parts becomes increasingly conspicuous,
The connected mode between metallic element traditional in automobile industry does not the most adapt to the demand of objective application.And
Prior art uses the attachment structure made of carbon fibre composite, there is also often occur skin lamination and
The defect of failure by shear, bonding strength is poor.Therefore, it is necessary to update automobile carbon fibre composite
Connected mode, and rationally select.
Summary of the invention
The present invention provides a kind of automobile component attachment structure and preparation method thereof, it is therefore an objective to guarantee to obtain preferably
Bonding strength.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is: automobile component attachment structure,
It is to glued joint the second connector of being connected, the first connector and second including the first connector with the first connector
Connector uses carbon fibre composite to make.
Described first connector and the second connector use carbon fiber/epoxy resin composite material to make.
Described first connector has prominent joint tongue, and described second connector has the tongue-and-groove allowing joint tongue insert.
Internal face in described tongue-and-groove is coated with adhesive, forms rubberised layer.
Described carbon fibre composite includes at least 7 layers of carbon cloth being in close contact successively.
Described joint tongue arranges multiple.
Present invention also offers a kind of generation automotive underbody assembly, the automobile component including said structure connects knot
Structure.
Present invention also offers the manufacture method of a kind of automobile component attachment structure, it comprises the steps:
(1) prepreg is prepared；
(2) prepreg is assembled into prefabricated component after cutting and labelling；
(3) prefabricated component is tentatively prepared as the first connector and the second connector；
(4) the first connector tentatively prepared and the second connector are put in epoxy resin solution and soaked
Stain；
(5) the first connector after dipping and the second connector are carried out cured；
(6) organic solvent is used to clean the joint tongue of the first connector and the tongue-and-groove surface of the second connector；
(7) joint tongue of the first connector and the tongue-and-groove surface of the second connector are polished；
(8) adhesive coating in the tongue-and-groove of the second connector, inserts the joint tongue of the first connector in tongue-and-groove,
Complete the first connector and the splicing of the second connector.
In described step (1), the carbon-fiber cloth after dipping is prepared as prepreg, carbon by manual laying
Fiber weaving cloth at least lays 7 layers.
Described organic solvent is acetone.
Described adhesive is polyurethane colloid.
Two connectors are connected by glueing joint connected mode, are formed by the automobile component attachment structure of the present invention
Effective high intensity low quality carbon fiber attachment structure, had both improve joint efficiency, also improved connection durable
Property, it is possible to reduce or eliminate the skin lamination and failure by shear often occurred in generic connectivity, can obtain
Preferably bonding strength.
Accompanying drawing explanation
Fig. 1 is the structural representation of automobile component attachment structure of the present invention；
Fig. 2 is the decomposing schematic representation of automobile component attachment structure of the present invention；
Labelling in above-mentioned figure is: 1, joint tongue；2, tongue-and-groove；3, rubberised layer.
Detailed description of the invention
Below against accompanying drawing, by the description to embodiment, the detailed description of the invention of the present invention is made further
Detailed description, it is therefore an objective to help those skilled in the art to have completeer to design, the technical scheme of the present invention
Whole, accurate and deep understanding, and contribute to its enforcement.
As depicted in figs. 1 and 2, the invention provides a kind of automobile component attachment structure, including the first connection
Part and be to glued joint the second connector of being connected with the first connector, the first connector and the second connector employing carbon
Fibrous composite is made.First connector has prominent joint tongue, and the second connector has allows joint tongue insert
Tongue-and-groove.Glued joint different from common flat board, use the cementing connection of tongue-and-groove to be suitable between thick carbon fiber sheet
Connection, it is possible to reduce stress collection neutralize reduce peel stress, it is to avoid or reduce skin lamination, such that it is able to
Guarantee that attachment structure obtains more preferable bonding strength.The novel cementing attachment structure of tongue-and-groove is used to connect automobile
Carbon fiber component, played the high intensity of carbon fiber, lightweight, corrosion-resistant, resisting fatigue advantageous properties same
Shi Tigao bonding strength and the durability of connection.
The aspect that the material characteristics of carbon fiber determines at automobile loss of weight is well worth doing, especially the discharge of automobile
Laws and regulations requirement is the most harsh, as a kind of new material, the connection side between carbon fiber and traditional metal material
Formula is no longer traditional welding, glued joint connection be possible not only to alleviate quality, also ensure that connection resisting fatigue and
Anticorrosion, the reliable fail-safety of insulating properties sum.
As in figure 2 it is shown, the internal face in the tongue-and-groove of the second connector is coated with adhesive, form rubberised layer.
The matching form of joint tongue and tongue-and-groove closes, and joint tongue contacts with rubberised layer after inserting in tongue-and-groove, gluing at rubberised layer
First connector and the second connector are linked into an integrated entity structure by agent.
As preferably, the first connector and the second connector use carbon fiber/epoxy resin composite material to make,
Carbon fibre composite includes at least 7 layers of carbon cloth being in close contact successively, the chase mortise structure of attachment structure
Place uses special Lay up design, in order to final material can obtain high mechanics mechanical performance.
As preferably, the joint tongue on the first connector can arrange multiple, and multiple joint tongue is uniformly to divide
Cloth.The corresponding tongue-and-groove that can arrange equivalent amount on the second connector, each joint tongue is respectively embedded into a tenon
In groove, improve bonding strength further.
Present invention also offers the manufacture method of a kind of automobile component attachment structure, it comprises the steps:
(1) prepreg is prepared；
(2) prepreg is assembled into prefabricated component after cutting and labelling；
(3) prefabricated component is tentatively prepared as the first connector and the second connector；
(4) the first connector tentatively prepared and the second connector are put in epoxy resin solution and soaked
Stain；
(5) the first connector after dipping and the second connector being carried out cured, the first of carbon fiber is even
The molding completely immediately of fitting and the second connector；
(6) organic solvent is used to clean the joint tongue of the first connector and the tongue-and-groove surface of the second connector；
(7) joint tongue of the first connector and the tongue-and-groove surface of the second connector are polished；
(8) adhesive coating in the tongue-and-groove of the second connector, inserts the joint tongue of the first connector in tongue-and-groove,
Complete the first connector and the splicing of the second connector.
In step (1), by manual laying, the carbon-fiber cloth after dipping being prepared as prepreg, carbon is fine
Dimension is weaved cotton cloth and is at least laid 7 layers.In the present embodiment, carbon-fiber cloth uses 7 layers of Lay up design, during laying
Selection standard laying angle is+45 °, 0 ° ,-45 ° ,+90 ° ,-45 °, 0 ° and+45 °.Carbon-fiber cloth via
Stretched coating solution impregnates, and then uses the flash distillation between stack to carry out solvent flashing, the work of these solvents
With being dilute ethylene base ester to provide the best dipping effect, finally the carbon fiber after well dipping is knitted
Cloth is prepared as prepreg by manual laying.
In step (2), shape, in groove surfaces after the base and groove part alignment of the first connector
Neighbouring labelling front-back；Is shaped, at female members table in alignment position by base and the male member part of the second connector
Labelling front-back near face.
In step (3), it is to use compressing and forming process that prefabricated component is tentatively prepared as shape is satisfactory
First connector and the second connector.
In step (6), described organic solvent is preferably acetone.
In step (8), treat that the second connector is thoroughly dried, coating adhesive in the tongue-and-groove of the second connector
Stick, forms rubberised layer, and described adhesive is preferably polyurethane colloid.By the first connector and second even
After fitting grafting, and the first connector and the second connector are applied certain chucking power, and (chucking power size is excellent
Elect 12-22MPa as) solidify connection afterwards.Glueing joint the attachment structure after having connected can be with carbon fiber automobile
It is overall that other ingredients are assembled into vehicle body further, thus carries out car load assembling.
In step (8), as preferably, the mode of centered assembling is used to realize the first connector and second
The assembling of connector, it is ensured that assemble and get a desired effect, quality of connection is light and efficiency is high.Centering
During assembling, first find orthogonal pre-assembled position at guarantee location fit, installation connecting element is hand-held
In this position, parallel, be placed in rigging position smoothly, it is ensured that to position and cooperation face is good and assembly parts pair
After in, then assemble, it is ensured that combine and put in place.Finally check and confirm that assembling is errorless.
Present invention also offers a kind of generation automotive underbody assembly, the automobile component including said structure connects knot
Structure, the first connector of automobile component attachment structure is as the noseplate of floor pan assembly, the second connector conduct
Base plate after in floor pan assembly.Owing to the generation automotive underbody assembly of the present invention includes the vapour in above-described embodiment
Car member connection structure, so it has all advantages of above-mentioned automobile component attachment structure.This structure
The rigidity of carbon fiber floor pan assembly is 683.3N/mm, reaches and exceeded the rigidity requirement of metal base plate.
Above in conjunction with accompanying drawing, the present invention is exemplarily described, it is clear that the present invention implements not by upper
State the restriction of mode, if the various unsubstantialities that the method design that have employed the present invention is carried out with technical scheme
Improvement, or the most improved design by the present invention and technical scheme directly apply to other occasion, all exists
Within protection scope of the present invention.
Claims (10)
1. automobile component attachment structure, it is characterised in that include the first connector and be glue with the first connector
The second connector connect in succession, the first connector and the second connector use carbon fibre composite to make.
Automobile component attachment structure the most according to claim 1, it is characterised in that described first connects
Part and the second connector use carbon fiber/epoxy resin composite material to make.
Automobile component attachment structure the most according to claim 1, it is characterised in that described first connects
Part has prominent joint tongue, and described second connector has the tongue-and-groove allowing joint tongue insert.
Automobile component attachment structure the most according to claim 3, it is characterised in that in described tongue-and-groove
Internal face is coated with adhesive, forms rubberised layer.
5. according to the automobile component attachment structure described in Claims 1-4, it is characterised in that described carbon is fine
Dimension composite includes at least 7 layers of carbon cloth being in close contact successively.
6. generation automotive underbody assembly, it is characterised in that: include the arbitrary described automobile of claim 1 to 5
Member connection structure.
7. the manufacture method of automobile component attachment structure, it is characterised in that include step:
(1) prepreg is prepared；
(2) prepreg is assembled into prefabricated component after cutting and labelling；
(3) prefabricated component is tentatively prepared as the first connector and the second connector；
(4) the first connector tentatively prepared and the second connector are put in epoxy resin solution and soaked
Stain；
(5) the first connector after dipping and the second connector are carried out cured；
(6) organic solvent is used to clean the joint tongue of the first connector and the tongue-and-groove surface of the second connector；
(7) joint tongue of the first connector and the tongue-and-groove surface of the second connector are polished；
(8) adhesive coating in the tongue-and-groove of the second connector, inserts the joint tongue of the first connector in tongue-and-groove,
Complete the first connector and the splicing of the second connector.
The manufacture method of automobile component attachment structure the most according to claim 7, it is characterised in that institute
Stating in step (1), by manual laying, the carbon-fiber cloth after dipping is prepared as prepreg, carbon fiber is knitted
Cloth at least lays 7 layers.
The manufacture method of automobile component attachment structure the most according to claim 7, it is characterised in that institute
Stating organic solvent is acetone.
10., according to the manufacture method of the automobile component attachment structure described in claim 7 to 9, its feature exists
In, described adhesive is polyurethane colloid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610264057.1A CN105857414A (en) | 2016-04-26 | 2016-04-26 | Connection structure for automobile parts and production method of connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610264057.1A CN105857414A (en) | 2016-04-26 | 2016-04-26 | Connection structure for automobile parts and production method of connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105857414A true CN105857414A (en) | 2016-08-17 |
Family
ID=56628397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610264057.1A Pending CN105857414A (en) | 2016-04-26 | 2016-04-26 | Connection structure for automobile parts and production method of connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105857414A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859737A (en) * | 2018-06-07 | 2018-11-23 | 奇瑞汽车股份有限公司 | Composite joint mechanism and its manufacturing method for vehicle |
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| US20060091646A1 (en) * | 2002-05-17 | 2006-05-04 | Steins Karl M | Collapsible trailer |
| CN103010322A (en) * | 2011-09-26 | 2013-04-03 | 蓝星(北京)化工机械有限公司 | Combined semi-trailer body and preparation method thereof |
| CN103085292A (en) * | 2011-10-28 | 2013-05-08 | 本特勒尔汽车技术有限公司 | Hybrid part of a motor vehicle and method for production of such hybrid part of a motor vehicle |
| CN104385559A (en) * | 2014-10-24 | 2015-03-04 | 奇瑞汽车股份有限公司 | Preparation method of resin fiber composite material vehicle door anti-collision component and method for connecting resin fiber composite material vehicle door anti-collision component with vehicle door |
| CN105015626A (en) * | 2015-07-01 | 2015-11-04 | 奇瑞汽车股份有限公司 | Automobile carbon-fiber connection device |
| JP2016005955A (en) * | 2011-02-03 | 2016-01-14 | 帝人株式会社 | Vehicle skeleton member |
-
2016
- 2016-04-26 CN CN201610264057.1A patent/CN105857414A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060091646A1 (en) * | 2002-05-17 | 2006-05-04 | Steins Karl M | Collapsible trailer |
| JP2016005955A (en) * | 2011-02-03 | 2016-01-14 | 帝人株式会社 | Vehicle skeleton member |
| CN103010322A (en) * | 2011-09-26 | 2013-04-03 | 蓝星(北京)化工机械有限公司 | Combined semi-trailer body and preparation method thereof |
| CN103085292A (en) * | 2011-10-28 | 2013-05-08 | 本特勒尔汽车技术有限公司 | Hybrid part of a motor vehicle and method for production of such hybrid part of a motor vehicle |
| CN104385559A (en) * | 2014-10-24 | 2015-03-04 | 奇瑞汽车股份有限公司 | Preparation method of resin fiber composite material vehicle door anti-collision component and method for connecting resin fiber composite material vehicle door anti-collision component with vehicle door |
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| CN108859737A (en) * | 2018-06-07 | 2018-11-23 | 奇瑞汽车股份有限公司 | Composite joint mechanism and its manufacturing method for vehicle |
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Application publication date: 20160817 |