CN105857484B - Managed in glass fibre and carbon fiber hybrid composite material bicycle and preparation method thereof - Google Patents
Managed in glass fibre and carbon fiber hybrid composite material bicycle and preparation method thereof Download PDFInfo
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- CN105857484B CN105857484B CN201610246966.2A CN201610246966A CN105857484B CN 105857484 B CN105857484 B CN 105857484B CN 201610246966 A CN201610246966 A CN 201610246966A CN 105857484 B CN105857484 B CN 105857484B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00—Cycle frames
- B62K19/02—Cycle frames characterised by material or cross-section of frame members
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Abstract
The invention discloses pipes in a kind of glass fibre and carbon fiber hybrid composite material bicycle and preparation method thereof, are an integral molding structure including a vertical long tube and the branch pipe in the middle part of vertical long tube, the branch pipe with vertical long tube.Composite material includes 0 degree of glass fibre of high tenacity, the +/- 45 degree of glass fibres of high tenacity, 0 degree of carbon fiber and +/- 45 degree of carbon fibers.The present invention devises to manage in a kind of glass fibre and carbon fibre composite bicycle, according to the stress condition of middle pipe, the arrangement architecture of the different parts of pipe in bicycle, internal composite material is different, keeps the tensile strength of the different parts of middle pipe and stability all different.Pipe has the advantages that light, high-strength, shock absorbing capability is good in bicycle, improves the comfort level of riding of bicyclist.And in above-mentioned bicycle disclosed by the invention pipe production method, production cost is low, and method is simple, and product surface is smooth, and accuracy to size is high, Yi Shixian mechanization and automated production.
Description
Technical field
The present invention relates to pipe and preparation method field in bicycle more particularly to a kind of glass fibre and carbon fiber hybrid are multiple
Condensation material bicycle and preparation method thereof.
Background technique
In bicycle tubing matter from earliest chrome molybdenum Steel material, evolve to aluminium alloy, titanium alloy, magnesium alloy, scandium alloy material
The utilization of material followed by composite material, chrome-molybdenum steel has many advantages, such as that processing performance is good, intensity is big, but has its unsurmountable
Disadvantage such as weight is big, easily gets rusty.Weight compared to chrome molybdenum Steel material is big, the vehicle frame that aluminum alloy materials can be light with production quality,
But the hardness of aluminium alloy is inadequate, and is easily oxidized, and the production and processing cost of titanium alloy, magnesium alloy, scandium alloy material is too high,
It is not the best material for making pipe in bicycle.Carbon fiber have many advantages, such as it is light, be not bent, shock absorbing capability it is good, but
Also have the shortcomings that surface hardness is bad, cost is expensive, when the external force being subject to is higher than the maximal destruction intensity that can be born, will cause
Fracture.And glass fibre have the characteristics that it is light, high-intensitive, cheap.
The composite material of carbon fiber and glass fiber hybrid production had into the spy light, high-strength, shock absorbing capability is good
Point, as Patent No. CN201310029979.0 patent of invention " glass fibre and carbon fiber hybrid composite material taper pipe and
In preparation method ", the tube wall of conical pipe is three-layer composite structure, and first layer is glass fibre, second layer carbon fiber, third layer
For glass fibre, arrangement mode in this way can integrally enhance the stretch modulus of conical pipe, reduce adaptability to changes, but due to
The stress condition of the different parts of pipe is different in bicycle, is played the role of using this arrangement mode little.And the conical pipe
Body to twine technique be filament winding process, adaptable small, at high cost disadvantage can not obtain preferable technical economic benefit.
Summary of the invention
Shortcoming present in view of the above technology, the present invention provide that a kind of preparation method is simple, production cost is low and
The internal arrangement structure of different force parts it is different with light, high-strength, glass fibre and carbon fiber that shock absorbing capability is good
Tie up pipe and preparation method thereof in composite material bicycle.
To achieve the above object, the present invention provides manages in a kind of glass fibre and carbon fiber hybrid composite material bicycle,
It is located at pipe tail portion in vertical including a vertical long tube, the branch pipe in the middle part of vertical long tube and for what connecting vehicle frame five led to
Connecting portion；The branch pipe, connecting portion and the vertical long tube are an integral molding structure, the branch pipe and the vertical long tube
Angle be 30 degree -60 degree；The composite material includes 0 degree of glass fibre of high tenacity, the +/- 45 degree of glass fibres of high tenacity, 0 degree
Carbon fiber and +/- 45 degree of carbon fibers.
Wherein, in the composite material 0 degree of glass fibre of high tenacity volume content ratio be 17.2%, +/- 45 degree of high tenacity
The volume content ratio of glass fibre is 17.2%, and the volume content ratio of 0 degree of carbon fiber is 14%, and the volume of +/- 45 degree of carbon fibers contains
Amount is than being 51.6%.
Wherein, the first tube wall of the branch pipe is five layers of composite construction, and the first tube wall first layer is +/- 45 degree of carbon fibers
Layer, the first tube wall second layer be 0 degree carbon fiber layer, the first tube wall third layer be +/- 45 degree of carbon fiber layers, the 4th layer of the first tube wall
For 0 degree of carbon fiber layer, the first tube wall layer 5 is +/- 45 degree of carbon fiber layers.
Wherein, second tube wall at the front end of the vertical long tube to intermediate position is five layers of composite construction, the second tube wall the
One layer is +/- 45 degree of carbon fiber layers, and the second tube wall second layer is 0 degree of carbon fiber layer, and the second tube wall third layer is +/- 45 degree of carbon fibers
Layer is tieed up, the 4th layer of the second tube wall is 0 degree of carbon fiber layer, and the second tube wall layer 5 is +/- 45 degree of carbon fiber layers.
Wherein, the third tube wall of the intermediate position of the vertical long tube to connecting portion upper end is five layers of composite construction, the
Three tube wall first layers are +/- 45 degree of glass layers, and the third tube wall second layer is 0 degree of glass layer, third tube wall third layer
For +/- 45 degree of glass layers, the 4th layer of third tube wall is 0 degree of glass layer, and third tube wall layer 5 is +/- 45 degree of glass
Fibrous layer.
Wherein, the 4th tube wall of the connecting portion is five layers of composite construction, and the 4th tube wall first layer is +/- 45 degree of carbon fibers
Layer is tieed up, the 4th tube wall second layer is 0 degree of carbon fiber layer, and the 4th tube wall third layer is +/- 45 degree of carbon fiber layers, the 4th tube wall the 4th
Layer is 0 degree of carbon fiber layer, and the 4th tube wall layer 5 is +/- 45 degree of carbon fiber layers.
To achieve the above object, the present invention also provides manage in a kind of glass fibre and carbon fiber hybrid composite material bicycle
Preparation method, comprising the following steps:
Step 1: the stock of fiber preform；The pipe structural arrangement requirement according in, prepares high tenacity 0 degree of glass fibre, height
The +/- 45 degree of glass fibres of toughness, 0 degree of carbon fiber and +/- 45 degree of carbon fibers；
Step 2: fiber preform is cut corresponding size rule by the cutting of fiber preform, the structure size of pipe according in
Lattice；
Step 3: the laying of fiber preform:
A, the fiber preform discharging modes of first tube wall are as follows: the first tube wall first layer is +/- 45 degree of carbon fiber layers,
The first tube wall second layer is 0 degree of carbon fiber layer, and the first tube wall third layer is +/- 45 degree of carbon fiber layers, and the 4th layer of the first tube wall is 0
Carbon fiber layer is spent, the first tube wall layer 5 is +/- 45 degree of carbon fiber layers；
B, the fiber preform discharging modes of second tube wall are as follows: the second tube wall first layer is +/- 45 degree of carbon fiber layers,
The second tube wall second layer is 0 degree of carbon fiber layer, and the second tube wall third layer is +/- 45 degree of carbon fiber layers, and the 4th layer of the second tube wall is 0
Carbon fiber layer is spent, the second tube wall layer 5 is +/- 45 degree of carbon fiber layers；
C, the fiber preform discharging modes of the third tube wall are as follows: third tube wall first layer is +/- 45 degree of glass fibres
Layer, the third tube wall second layer are 0 degree glass layer, and third tube wall third layer is +/- 45 degree of glass layers, third tube wall the
Four layers are 0 degree of glass layer, and third tube wall layer 5 is +/- 45 degree of glass layers；
D, the fiber preform discharging modes of the 4th tube wall are as follows: the 4th tube wall first layer is +/- 45 degree of carbon fiber layers,
The 4th tube wall second layer is 0 degree of carbon fiber layer, and the 4th tube wall third layer is +/- 45 degree of carbon fiber layers, and the 4th the 4th layer of tube wall is 0
Carbon fiber layer is spent, the 4th tube wall layer 5 is +/- 45 degree of carbon fiber layers；
Step 4: the good fiber preform of above-mentioned laying is put into mold, cover board is fixed, is then passed through into mold
Compressed air or steam, make product complete solidification under hot pressing condition, and cooled to room temperature after solidification extracts mold, obtains
It is managed in glass fibre and carbon fibre composite bicycle.
Wherein, the pressure for being passed through compressed air or steam in step 4 into mold is 0.25-0.5MPa.
The beneficial effects of the present invention are: compared with prior art, the present invention devises a kind of glass fibre and carbon fiber is multiple
It is managed in condensation material bicycle, according to the stress condition of middle pipe, the different parts of pipe in bicycle, the arrangement of internal composite material
Structure is different, keeps the tensile strength of middle pipe different parts and toughness all different, is adapted to the different stress conditions of different parts,
Pipe has the advantages that light, high-strength, shock absorbing capability is good in bicycle, improves the comfort level of riding of bicyclist.And the present invention
The production method of pipe in disclosed above-mentioned bicycle, production cost is low, and method is simple, and product surface is smooth, and accuracy to size is high,
Easily realize mechanization and automated production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pipe in bicycle of the invention；
Fig. 2 is the cross-sectional view of middle pipe of the invention；
Fig. 3 is the cross-sectional view of branch pipe of the invention.
Main element symbol description is as follows:
1, vertical long tube 2, branch pipe
3, connecting portion 11, the second tube wall
12, third tube wall 21, the first tube wall
31, the 4th tube wall 111, the second tube wall first layer
112, the second tube wall second layer 113, the second tube wall third layer
114, the 4th layer of 115, second tube wall layer 5 of the second tube wall
121, third tube wall first layer 122, the third tube wall second layer
123, the 4th layer of third tube wall third layer 124, third tube wall
125, third tube wall layer 5 211, the first tube wall first layer
212, the first tube wall second layer 213, the first tube wall third layer
214, the 4th layer of 215, first tube wall layer 5 of the first tube wall
311, the 4th tube wall first layer 312, the 4th tube wall second layer
313, the 4th tube wall third layer 314, the 4th layer of the 4th tube wall
315, the 4th tube wall layer 5.
Specific embodiment
In order to more clearly express the present invention, the present invention is further described with reference to the accompanying drawing.
Referring to Fig. 1, the present invention provides being managed in a kind of glass fibre and carbon fiber hybrid composite material bicycle, including
One vertical long tube 1, the branch pipe 2 in the middle part of vertical long tube and the company for being located at pipe tail portion in vertical led to for connecting vehicle frame five
Socket part position 3.Branch pipe 2, connecting portion 3 and vertical long tube 1 are an integral molding structure, and the angle of branch pipe 2 and vertical long tube 1 is 30
- 60 degree of degree.Composite material includes 0 degree of glass fibre of high tenacity, the +/- 45 degree of glass fibres of high tenacity, 0 degree of carbon fiber and +/- 45
Spend carbon fiber.
Compared with prior art, the present invention devises in a kind of glass fibre and carbon fiber hybrid composite material bicycle
Pipe, according to the stress condition of middle pipe, the arrangement architecture of the different parts of pipe in bicycle, internal composite material is different, makes
The tensile strength and toughness of pipe different parts are all different, are adapted to the different stress conditions of different parts, and pipe has in bicycle
Have the advantages that light, high-strength, shock absorbing capability is good, improves the comfort level of riding of bicyclist.
The volume content ratio of 0 degree of glass fibre of high tenacity is 17.2% in composite material, the +/- 45 degree of glass fibres of high tenacity
Volume content ratio be 17.2%, the volume content ratio of 0 degree carbon fiber is 14%, and the volume content ratio of +/- 45 degree of carbon fibers is
51.6%.0 degree of carbon fiber layer can directly and accurately transmit the active force being subject to along axial direction, and +/- 45 degree of carbon fiber layer resists
Distortion effects are best, and the tensile strength of 0 degree of glass fibre is big, and the elasticity modulus of +/- 45 degree of glass fibres is high, and bending resistance is high,
Shock resistance is good.
Referring to Fig. 3, the first tube wall 21 of branch pipe 2 is five layers of composite construction, the first tube wall first layer 211 is +/- 45 degree
Carbon fiber layer, the first tube wall second layer 212 are 0 degree of carbon fiber layer, and the first tube wall third layer 213 is +/- 45 degree of carbon fiber layers, the
The 4th layer 214 of one tube wall is 0 degree of carbon fiber layer, and the first tube wall layer 5 215 is +/- 45 degree of carbon fiber layers.
0 degree of carbon fiber layer can directly and accurately be transmitted the vibration that car body is subject to by middle pipe, the rigidity of pipe in raising,
And the anti-twist effect of +/- 45 degree of carbon fiber layer is best, the carbon fiber layer of the first tube wall is +/- 45 degree of carbon fiber layers and 0 degree
The alternate five-layer structure of carbon fiber layer, had not only increased the rigidity of branch pipe, but also increased the anti-twist effect of branch pipe, made the first tube wall
The mechanical property that has all obtained of all directions, compared to the structure that traditional vehicle frame is directly fixedly connected with middle pipe, the present invention
In middle pipe connect with vehicle frame by branch pipe, light weight, shock absorbing capability is good, and damping effect is more preferable, and the comfort level for the person of riding is more
It is high.
Referring to Fig. 2, second tube wall 11 at front end to the intermediate position of vertical long tube 1 is five layers of composite construction, the second pipe
Wall first layer 111 is +/- 45 degree of carbon fiber layers, and the second tube wall second layer 112 is 0 degree of carbon fiber layer, the second tube wall third layer 113
For +/- 45 degree of carbon fiber layers, the 4th layer 114 of the second tube wall is 0 degree of carbon fiber layer, and the second tube wall layer 5 115 is +/- 45 degree of carbon
Fibrous layer.Middle pipe is directly connected to bicycle saddle, is replaced by the +/- 45 degree of carbon fiber layers of carbon fiber layer with 0 degree of carbon fiber layer
Five-layer structure, the mechanical property for having obtained all directions of the second tube wall all had not only increased the rigidity of middle pipe, but also increased
The anti-twist effect damping effect of middle pipe is more preferable, and the comfort level for the person of riding is higher.
In this implementation column, the third tube wall 12 of intermediate position to 3 upper end of connecting portion of vertical long tube 1 is five layers compound
Structure, third tube wall first layer 121 are +/- 45 degree of glass layers, and the third tube wall second layer 122 is 0 degree of glass layer, the
Three tube wall third layer 123 are +/- 45 degree of glass layers, and the 4th layer 124 of third tube wall is 0 degree of glass layer, third tube wall
Layer 5 125 is +/- 45 degree of glass layers.The rigidity of glass fibre is strong, passes through +/- 45 degree of glass layers and 0 degree of glass
The alternate five-layer structure of fibrous layer, the mechanical property for having obtained all directions of third tube wall all had both increased the rigid of middle pipe
Property, and the impact resistance of middle pipe is increased, make middle pipe that can bear certain active force, enhances the stability of middle pipe.
4th tube wall 31 of connecting portion 3 is five layers of composite construction, and the 4th tube wall first layer 311 is +/- 45 degree of carbon fibers
Layer, the 4th tube wall second layer 312 are 0 degree of carbon fiber layer, and the 4th tube wall third layer 313 is +/- 45 degree of carbon fiber layers, the 4th tube wall
4th layer 314 is 0 degree of carbon fiber layer, and the 4th tube wall layer 5 315 is +/- 45 degree of carbon fiber layers.Connecting portion 3 and frame five-through
Connection, the active force received herein is very big, passes through the +/- 45 degree of carbon fiber layers of carbon fiber layer and alternate five layers of 0 degree of carbon fiber layer
Structure, the mechanical property for having obtained all directions of the 4th tube wall all had not only increased the rigidity of connecting portion, but also increased chain
The anti-twist effect of socket part position, damping effect is more preferable, and the comfort level for the person of riding is higher.
The present invention also provides a kind of preparation methods of pipe in glass fibre and carbon fiber hybrid composite material bicycle, including
Following steps:
Step 1: the stock of fiber preform；The pipe structural arrangement requirement according in, prepares high tenacity 0 degree of glass fibre, height
The +/- 45 degree of glass fibres of toughness, 0 degree of carbon fiber and +/- 45 degree of carbon fibers；
Step 2: fiber preform is cut corresponding size rule by the cutting of fiber preform, the structure size of pipe according in
Lattice；
Step 3: the laying of fiber preform:
A, the fiber preform discharging modes of the first tube wall 21 are as follows: the first tube wall first layer 211 is +/- 45 degree of carbon fibers
Layer, the first tube wall second layer 212 are 0 degree of carbon fiber layer, and the first tube wall third layer 213 is +/- 45 degree of carbon fiber layers, the first tube wall
4th layer 214 is 0 degree of carbon fiber layer, and the first tube wall layer 5 215 is +/- 45 degree of carbon fiber layers；
B, the fiber preform discharging modes of the second tube wall are as follows: the second tube wall first layer 111 is +/- 45 degree of carbon fiber layers,
The second tube wall second layer 112 is 0 degree carbon fiber layer, and the second tube wall third layer 113 is +/- 45 degree of carbon fiber layers, the second tube wall the
Four layer 114 is 0 degree of carbon fiber layer, and the second tube wall layer 5 115 is +/- 45 degree of carbon fiber layers；
C, the fiber preform discharging modes of third tube wall are as follows: third tube wall first layer 121 is +/- 45 degree of glass fibres
Layer, the third tube wall second layer 122 are 0 degree of glass layer, and third tube wall third layer 123 is +/- 45 degree of glass layers, third
The 4th layer 124 of tube wall is 0 degree of glass layer, and third tube wall layer 5 125 is +/- 45 degree of glass layers；
D, the fiber preform discharging modes of the 4th tube wall are as follows: the 4th tube wall first layer 211 is +/- 45 degree of carbon fiber layers,
The 4th tube wall second layer 312 is 0 degree carbon fiber layer, and the 4th tube wall third layer 313 is +/- 45 degree of carbon fiber layers, the 4th tube wall the
Four layer 314 is 0 degree of carbon fiber layer, and the 4th tube wall layer 5 315 is +/- 45 degree of carbon fiber layers；
Step 4: the good fiber preform of above-mentioned laying is put into mold, cover board is fixed, is then passed through into mold
Compressed air or steam, make product complete solidification under hot pressing condition, and cooled to room temperature after solidification extracts mold, obtains
It is managed in glass fibre and carbon fibre composite bicycle.
The production method of pipe in above-mentioned bicycle disclosed by the invention, production cost is low, and method is simple, product surface light
Sliding, accuracy to size is high, Yi Shixian mechanization and automated production.
In the present embodiment, the pressure for being passed through compressed air or steam in step 4 into mold is 0.25-0.5MPa.
In the present embodiment, the structure size of the middle pipe in step 2 can are as follows: middle length of tube is 329.45 millimeters, and diameter is
31.8 millimeters；The angle of 94.44 millimeters of pipe upper end in the positional distance of branch pipe, branch pipe and middle pipe is 45 degree, and the length of branch pipe is
94.43 centimetres, the diameter of branch pipe is 20.1 millimeters, and certainly, the size of pipe is not limited to above-mentioned size in the present invention, according to vehicle frame
Size, have different sizes.
Present invention has an advantage that
1, ingenious in design, according to the stress condition of middle pipe, the different parts of pipe in bicycle, the row of internal composite material
Array structure is different, keeps the tensile strength of middle pipe different parts and toughness all different, is adapted to the different stress feelings of different parts
Condition, pipe has the advantages that light, high-strength, shock absorbing capability is good in bicycle, improves the comfort level of riding of bicyclist.
2, row is replaced with 0 degree of carbon fiber layer using +/- 45 degree of carbon fiber layers in the first tube wall, the second tube wall, the 4th tube wall
The five-layer structure of column makes the light weight of middle pipe, and shock absorbing capability is good, good damping effect, and the comfort level for the person of riding is higher.
3, +/- 45 degree of glass layers and 0 degree of alternately arranged five-layer structure of glass layer are used in third tube wall, made
The mechanical property that all directions of third tube wall have all obtained, had not only increased the rigidity of middle pipe, but also increased the shock resistance of middle pipe
Ability makes middle pipe that can bear certain active force, enhances the stability of middle pipe.
4, in above-mentioned bicycle disclosed by the invention pipe production method, production cost is low, and method is simple, product surface light
Sliding, accuracy to size is high, Yi Shixian mechanization and automated production.
Disclosed above is only several specific embodiments of the invention, but the present invention is not limited to this, any ability
What the technical staff in domain can think variation should all fall into protection scope of the present invention.
Claims (5)
1. being managed in a kind of glass fibre and carbon fiber hybrid composite material bicycle, which is characterized in that including a vertical long tube,
Branch pipe and the connecting portion that is located at vertical in pipe tail portion logical for connecting vehicle frame five in the middle part of vertical long tube；The branch
Pipe, connecting portion are an integral molding structure with the vertical long tube, and the angle of the branch pipe and the vertical long tube is 30 degree -60
Degree；The composite material includes 0 degree of glass fibre of high tenacity, the +/- 45 degree of glass fibres of high tenacity, 0 degree of carbon fiber and 45 degree +/-
Carbon fiber；Second tube wall at the front end of the vertical long tube to intermediate position is five layers of composite construction, and the second tube wall first layer is
+/- 45 degree of carbon fiber layers, the second tube wall second layer are 0 degree of carbon fiber layer, and the second tube wall third layer is +/- 45 degree of carbon fiber layers,
The 4th layer of second tube wall is 0 degree of carbon fiber layer, and the second tube wall layer 5 is +/- 45 degree of carbon fiber layers；
The third tube wall of the intermediate position of the vertical long tube to connecting portion upper end is five layers of composite construction, third tube wall first
Layer is +/- 45 degree of glass layers, and the third tube wall second layer is 0 degree of glass layer, and third tube wall third layer is +/- 45 degree of glass
Glass fibrous layer, the 4th layer of third tube wall is 0 degree of glass layer, and third tube wall layer 5 is +/- 45 degree of glass layers；
4th tube wall of the connecting portion be five layers of composite construction, the 4th tube wall first layer be +/- 45 degree of carbon fiber layers, the 4th
The tube wall second layer is 0 degree of carbon fiber layer, and the 4th tube wall third layer is +/- 45 degree of carbon fiber layers, and the 4th the 4th layer of tube wall is 0 degree of carbon
Fibrous layer, the 4th tube wall layer 5 are +/- 45 degree of carbon fiber layers.
2. being managed in glass fibre according to claim 1 and carbon fiber hybrid composite material bicycle, which is characterized in that institute
The volume content ratio for stating 0 degree of glass fibre of high tenacity in composite material is 17.2%, the volume of the +/- 45 degree of glass fibres of high tenacity
Content ratio is 17.2%, and the volume content ratio of 0 degree of carbon fiber is 14%, and the volume content ratio of +/- 45 degree of carbon fibers is 51.6%.
3. being managed in glass fibre according to claim 1 and carbon fiber hybrid composite material bicycle, which is characterized in that institute
The first tube wall for stating branch pipe is five layers of composite construction, and the first tube wall first layer is +/- 45 degree of carbon fiber layers, the first tube wall second layer
For 0 degree of carbon fiber layer, the first tube wall third layer is +/- 45 degree of carbon fiber layers, and the 4th layer of the first tube wall is 0 degree of carbon fiber layer, the
One tube wall layer 5 is +/- 45 degree of carbon fiber layers.
4. the preparation method of pipe in glass fibre and carbon fiber hybrid composite material bicycle, which is characterized in that the bicycle
Middle pipe includes a vertical long tube, the branch pipe in the middle part of vertical long tube and is located at pipe tail in vertical for what connecting vehicle frame five led to
The connecting portion in portion, comprising the following steps:
Step 1: the stock of fiber preform；The pipe structural arrangement requirement according in, prepares high tenacity 0 degree of glass fibre, high tenacity
+/- 45 degree of glass fibres, 0 degree of carbon fiber and +/- 45 degree of carbon fibers；
Step 2: the cutting of fiber preform, the structure size of pipe, cuts corresponding size specification for fiber preform according in；
Step 3: the laying of fiber preform:
A, the fiber preform discharging modes of the first tube wall of branch pipe are as follows: the first tube wall first layer is +/- 45 degree of carbon fiber layers, the
The one tube wall second layer is 0 degree of carbon fiber layer, and the first tube wall third layer is +/- 45 degree of carbon fiber layers, and the 4th layer of the first tube wall is 0 degree
Carbon fiber layer, the first tube wall layer 5 are +/- 45 degree of carbon fiber layers；
B, positioned at the front end of vertical long tube to intermediate position the second tube wall fiber preform discharging modes are as follows: the second tube wall
One layer is +/- 45 degree of carbon fiber layers, and the second tube wall second layer is 0 degree of carbon fiber layer, and the second tube wall third layer is +/- 45 degree of carbon fibers
Layer is tieed up, the 4th layer of the second tube wall is 0 degree of carbon fiber layer, and the second tube wall layer 5 is +/- 45 degree of carbon fiber layers；
C, positioned at the intermediate position of vertical long tube to connecting portion upper end third tube wall fiber preform discharging modes are as follows:
Three tube wall first layers are +/- 45 degree of glass layers, and the third tube wall second layer is 0 degree of glass layer, third tube wall third layer
For +/- 45 degree of glass layers, the 4th layer of third tube wall is 0 degree of glass layer, and third tube wall layer 5 is +/- 45 degree of glass
Fibrous layer；
D, positioned at the fiber preform discharging modes of the 4th tube wall of connecting portion are as follows: the 4th tube wall first layer is +/- 45 degree of carbon
Fibrous layer, the 4th tube wall second layer are 0 degree carbon fiber layer, and the 4th tube wall third layer is +/- 45 degree of carbon fiber layers, the 4th tube wall the
Four layers are 0 degree of carbon fiber layer, and the 4th tube wall layer 5 is +/- 45 degree of carbon fiber layers；
Step 4: the good fiber preform of above-mentioned laying is put into mold, cover board is fixed, compression is then passed through into mold
Air or steam, make product complete solidification under hot pressing condition, and cooled to room temperature after solidification extracts mold, obtains glass
It is managed in fiber and carbon fibre composite bicycle.
5. the preparation method of pipe in glass fibre according to claim 4 and carbon fiber hybrid composite material bicycle,
It is characterized in that, the pressure for being passed through compressed air or steam in step 4 into mold is 0.25-0.5MPa.
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| CN202807000U (en) * | 2012-07-10 | 2013-03-20 | 岛野股份有限公司 | Bicycle frame |
| DE102013106737A1 (en) * | 2013-06-27 | 2014-12-31 | Carbofibretec Gmbh | Multi-walled support tube for a bicycle that can be configured as part of a bicycle frame or a bicycle fork and agricultural implement |
| CN104029776A (en) * | 2014-03-07 | 2014-09-10 | 天津嘉豪自行车有限公司 | Bicycle frame and manufacturing process thereof |
| CN204137261U (en) * | 2014-04-02 | 2015-02-04 | 泰山体育产业集团有限公司 | A kind of high rigidity lightweight carbon fiber composite material bicycle |
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Effective date of registration: 20190116 Address after: 523000 No. 72 Changtang Community Third Industrial Zone, Dalang Town, Dongguan City, Guangdong Province Applicant after: Dongguan Ruixin Carbon Fiber Technology Co., Ltd. Address before: 518000 Guangming Street, Guangming New District, Shenzhen, Guangdong Province Applicant before: Chen Hongjun |
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