CN103072258A - Anticollision component as well as preparation method and usage thereof - Google Patents
Anticollision component as well as preparation method and usage thereof Download PDFInfo
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- CN103072258A CN103072258A CN201210570684XA CN201210570684A CN103072258A CN 103072258 A CN103072258 A CN 103072258A CN 201210570684X A CN201210570684X A CN 201210570684XA CN 201210570684 A CN201210570684 A CN 201210570684A CN 103072258 A CN103072258 A CN 103072258A
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Abstract
The invention discloses an anticollision component as well as the preparation method and the usage thereof. Particularly, the anticollision component is formed by splicing a composite structure that polypropylene resin is soaked in a carbon fiber. The preparation method of the anticollision component comprises the following steps: (a) forming a presoaked sheet; (b) forming stacked presoaked sheets subjected to shearing and cutting; (c) forming a composite board; and (d) forming the anticollision component. The anticollision component and the preparation method have the advantages that the weight is light, energy is saved, environment is protected, large batch continuous automatic production can be achieved, and the forming efficiency is high.
Description
Technical field
The present invention relates to crashproof component materials and crashproof parts manufacture technology field, the method that relates in particular to a kind of carbon fiber RPP resin composite materials and use the crashproof parts of this carbon fiber reinforced polypropylene compound material making.
Background technology
Safety, energy-saving and environmental protection are developing direction of current automotive field.Reduce oil consumption and reduce the key issue that the pollution of environment has been become automobile industry development and the solution of social sustainable development urgent need.
Automotive light weight technology is one of effective way that reduces oil consumption.Each large automobile production commercial city, the world is in the automobile component manufacturing technology of development of new lightweight materials used in auto manufacturing and respective material competitively.In general, automobile making and the energy loss-rate of using are 1:10, and automotive light weight technology can make total energy consumption greatly reduce.According to the data introduction, automotive dead weight alleviates 100 kilograms, travels 100 kilometers, but 0.3 kilogram of fuel-economizing; Weight reduction 10%, fuel economy can improve 10%.
Composite is significantly alleviating car mass, also can cause less power demand, little driving engine and suspension arrangement when improving fuel economy, and owing to the minimizing of kinetic energy reduces danger of burst, this screw type result will make body quality further alleviate, and driving performance further improves.
Traditional composite such as fiber reinforced thermosetting resin based composites, its molding time is long, and the discharging of pernicious gas is arranged in the forming process, is not easy to recycling.
Therefore, this area is simple in the urgent need to developing a kind of preparation method, is applicable to continuous automatic production in enormous quantities, and the crashproof parts of excellent performance.
Summary of the invention
The present invention has improved material prescription and the production technology of crashproof parts, thus provide a kind of new crashproof parts with and preparation method thereof.
A first aspect of the present invention provides a kind of preparation method of crashproof parts, may further comprise the steps:
(a) form the preimpregnation sheet material
Carbon fiber, acrylic resin and Kapton are imported the pre-dipping machine of dry state, make the preimpregnation sheet material, the composite construction of wherein said preimpregnation sheet material is that acrylic resin impregnated in the carbon fiber;
(b) form the stacking preimpregnation sheet material of cutting out through cutting
(b1) according to the size of target product, described preimpregnation sheet material cut cut out, form the preimpregnation sheet material of cutting out through cutting; And according to the thickness of target product, the laying that superposes of the preimpregnation sheet material after described cutting cut out forms the stacking preimpregnation sheet material of cutting out through cutting; Or
(b2) according to the thickness of target product, with the described preimpregnation sheet material laying that superposes, form stacking preimpregnation sheet material; And according to the size of target product, described stacking preimpregnation sheet material cut cut out, form the stacking preimpregnation sheet material of cutting out through cutting;
(c) form composite board
The stacking preimpregnation sheet material of cutting out through cutting is prepared composite board by press; With
(d) form crashproof parts
With described composite board by pre-heat transport apparatus preheating after, the mould of inserting target product carries out punch forming, makes crashproof parts.
In another preference, described crashproof parts comprise the anti-striker of automobile buffer beam, toy anti-striker, recreation facility and sports equipment.
In another preference, described step (a) to (d) is that automation is carried out continuously.
In another preference, described press is two steel band press.
In another preference, described pair of steel band press heating-up temperature is 150～250 ℃, more preferably, and 180～230 ℃;
In another preference, the speed of service of described pair of steel band press is set as 0.2～5m/min, more preferably, and 0.5～2.5m/min.
In another preference, described carbon fiber comprises continuous carbon fibre; Described acrylic resin is selected from polypropylene continuous tow, polypropylene film, polypropylene non-woven fabric, polypropylene fibre felt;
In another preference, described continuous carbon fibre comprises continuous carbon fibre bundle, carbon fibre fabric; Wherein, described carbon fibre fabric comprises plain cloth, twills, satin fabric, one-way fabric, multi-axial tricot;
In another preference, the preimpregnation sheet material that makes take described continuous carbon fibre bundle is as unidirectional preimpregnation sheet material, and the preimpregnation sheet material that makes take described carbon fibre fabric is as textile type preimpregnation sheet material;
In another preference, described stack laying both can use separately unidirectional preimpregnation sheet material or a certain textile type preimpregnation sheet material to carry out laying, also unidirectional preimpregnation sheet material can be mixed laying or different types of textile type preimpregnation sheet material with textile type preimpregnation sheet material and mix laying.
In another preference, the pre-dipping machine Temperature Setting of described dry state is 150～250 ℃, more preferably, is 180～230 ℃; And/or
The pre-dipping machine speed of service of described dry state is 0.2～5m/min, more preferably is 0.5～3m/min.
In another preference, described pre-heat transport apparatus heating-up temperature is 150～250 ℃, and more preferably, 180～230 ℃, be 30s～300s heat time heating time.
In another preference, wherein step (d) also comprises the substep of heating, matched moulds pressurization, pressurize, die sinking, the demoulding, deburring, polishing, welding;
In another preference, described heating-up temperature is 180～230 ℃, duration 30s～300s; And/or
Matched moulds is forced into 1～10MPa, pressurize 20～300s, and mold temperature is 60～110 ℃; And/or
Dwell time is 20～300s.
A second aspect of the present invention provides a kind of crashproof parts, and described crashproof parts prepare with the described method of first aspect present invention.
In another preference, described crashproof parts are formed by multilayer composite board, and wherein each composite board is that acrylic resin impregnated in the composite in the carbon fiber.
A third aspect of the present invention, the purposes that provides second aspect present invention to prepare crashproof parts, it can be for the preparation of the anti-striker of automobile buffer beam, toy anti-striker, recreation facility and sports equipment.
A third aspect of the present invention provides a kind of composite board, is by step in the first aspect present invention (a)-(c) be prepared from, wherein
(a) form the preimpregnation sheet material
Carbon fiber, acrylic resin and Kapton are imported the pre-dipping machine of dry state, make the preimpregnation sheet material, the composite construction of wherein said preimpregnation sheet material is that acrylic resin impregnated in the carbon fiber;
(b) form the stacking preimpregnation sheet material of cutting out through cutting;
(b1) according to the size of target product, described preimpregnation sheet material cut cut out, form the preimpregnation sheet material of cutting out through cutting; And according to the thickness of target product, the laying that superposes of the preimpregnation sheet material after described cutting cut out forms the stacking preimpregnation sheet material of cutting out through cutting; Or
(b2) according to the thickness of target product, with the described preimpregnation sheet material laying that superposes, form stacking preimpregnation sheet material; And according to the size of target product, described stacking preimpregnation sheet material cut cut out, form the stacking preimpregnation sheet material of cutting out through cutting;
(c) form composite board
The stacking preimpregnation sheet material of cutting out through cutting is prepared composite board by press.
A fourth aspect of the present invention provides a kind of device systems for preparing crashproof parts, comprising:
(i) the pre-dipping machine of dry state, the pre-dipping machine of described dry state is for the preparation of the described preimpregnation sheet material of first aspect present invention;
(ii) two steel band press;
(iii) preheat conveyer;
(iv) target product mould;
(v) hydraulic press.
In another preference, the pre-dipping machine of described dry state comprises guide roller, carry-over pinch rolls, warm-up mill, backer roll, chill roll and wind-up roll; And/or
Described double-steel belt pressing machine comprises the thermal treatment zone, pressor areas and cooling zone, wherein said pressor areas is exerted pressure by setting the backer roll spacing, and described backer roll spacing satisfies following formula: backer roll spacing (mm)=individual layer preliminary-dip piece thickness (mm) * laying number of plies; And/or
The described conveyer that preheats comprises heater, connecting gear;
Described hydraulic press is used for the punch forming process to carry out matched moulds, exerts pressure and die sinking mould;
In another preference, the pre-dipping machine Temperature Setting of described dry state is 150～250 ℃, more preferably, is 180～230 ℃; The described pre-dipping machine speed of service is 0.2～5m/min, more preferably is 0.5～3m/min;
In another preference, described pair of steel band press heating-up temperature is 150～250 ℃, more preferably, and 180～230 ℃; The speed of service of described pair of steel band press is set as 0.2～5m/min, more preferably, and 0.5～2.5m/min;
In another preference, the described conveyer Temperature Setting that preheats is 150～250 ℃, more preferably, and 180～230 ℃;
In another preference, described hydraulic press pressure setting is 1～10MPa, and the dwell time is set as 2-～300S.
In should be understood that within the scope of the present invention, above-mentioned each technical characterictic of the present invention and can making up mutually between specifically described each technical characterictic in below (eg embodiment), thus consist of new or preferred technical scheme.As space is limited, this tired stating no longer one by one.
Description of drawings
Fig. 1 is the manufacturing process schematic diagram of carbon fiber reinforced polypropylene compound material preimpregnation sheet material in the embodiment of the invention 1;
Wherein numeral is: 1. Kapton, 2. polypropylene fibre, 3. carbon fiber, 4. jockey pulley, 5. exhibition yarn rod, 6. guide bars, 7. carry-over pinch rolls, 8-1.8-2 and 8-3. warm-up mill, 9. backer roll, 10. chill roll, 11. guide rollers, 12, wind-up roll.
Fig. 2 is for the preparation of the technical process schematic diagram of carbon fiber RPP composite board in the embodiment of the invention 1 and 2;
Wherein numeral is: 13. wheel hubs, steel band on 14., 15. times steel bands, 16. heating plates, 17. coldplates, 18. pressure rollers, the unidirectional preimpregnation lamella of 19. carbon fiber RPPs laying, 20. Kaptons.
Fig. 3 is the technical process schematic diagram that is used for making automobile buffer beam first in the embodiment of the invention 1 and 2;
Wherein numeral is the unidirectional sheet materials of 21. carbon fiber RPPs, 22. heaters, 23. connecting gears, 24. formpistons, 25. formers, 26. automobile buffer beam first parts.
Fig. 4 is the longitudinal section of making the automobile buffer beam second portion that obtains in the embodiment of the invention 1 and 2.
Fig. 5 is the process schematic diagram that in the embodiment of the invention 1 and 2 collision prevention girders two parts is carried out resistance welded.
Wherein numeral is: 26. automobile buffer beam first parts, 27. automobile buffer beam second portion parts, 28. heating element heaters, 29. contact anchor clamps, 30. switches, 31. power supplys, 32. ammeters, 33. voltmeters.
Fig. 6 is the manufacturing process schematic diagram of carbon fiber reinforced polypropylene compound material preimpregnation sheet material in the embodiment of the invention 2;
Wherein numeral is: 1.PI film, 6. guide bars, 7. carry-over pinch rolls, 8-1,8-2 and 8-3. warm-up mill, 9. backer roll, 10. chill roll, 11. guide rollers, 12, wind-up roll, 34. carbon fibre fabrics, 35. polypropylene films.
Fig. 7 is the three-dimensional model diagram of making whole the product of automobile buffer beam that obtains in the embodiment of the invention 1 and 2.
The specific embodiment
The inventor is through extensive and deep research, be surprised to find that first, after having improved the preparation material and technique of crashproof parts, can realize the crashproof parts that the quality of production is light, intensity is high, shock resistance is good by continuous and automatic in enormous quantities, can be in industrial circle extensive uses such as automobile, toys, and produce the energy-saving production technology environmental protection in the preparation process without noxious material.
Carbon fiber
Carbon fiber is that phosphorus content is higher than 90% inorganic polymer fiber.The axial strength of carbon fiber and modulus are high, and without creep, fatigue durability is good, and specific heat and electric conductivity are between nonmetal and metal, and thermal coefficient of expansion is little, good corrosion resistance, and the density of fiber is low.
Can be used for carbon fiber of the present invention and be not particularly limited, can be continuous carbon fibre, described continuous carbon fibre comprises continuous carbon fibre bundle or carbon fibre fabric.
Described carbon fibre fabric comprises plain cloth, twills, satin fabric, one-way fabric, multi-axial tricot;
Described continuous carbon fibre bundle can be buied by commercially available, for example Japanese Torayca company's T 300-3K, T700S-12K, T700S-24K, the Panex33 of U.S. Zoltek company, the German SGL 46K of company carbon fiber etc.
Wherein, the preimpregnation sheet material that makes take described continuous carbon fibre bundle is as unidirectional preimpregnation sheet material, and the preimpregnation sheet material that makes take described carbon fibre fabric is as textile type preimpregnation sheet material.
Acrylic resin
Acrylic resin is a kind of thermoplastic resin, has heat-resistingly, corrosion-resistant, and the characteristic that density is little is the lightest general-purpose plastics.Shortcoming is that low-temperature impact resistance is poor, and is more aging.
Can be used for acrylic resin of the present invention and be not particularly limited, can be various commercially available polyacrylic resin materials.Preferably, acrylic resin of the present invention comprises propylene continuous tow, polypropylene film, polypropylene non-woven fabric, polypropylene fibre felt.
In addition, be applicable to acrylic resin of the present invention and also comprise various modifications or unmodified acrylic resin.
Preimpregnation sheet material and preparation method thereof
Preimpregnation sheet material of the present invention is that acrylic resin and carbon fiber are imported the pre-dipping machine of dry state, and under certain temperature and velocity conditions by the dry state preimpregnation machine-processed, wherein acrylic resin impregnated in the carbon fiber.
For acrylic resin in the process that prevents from preparing the preimpregnation sheet material is bonded on the pre-dipping machine roller, preferably acrylic resin and carbon fiber are sandwiched between the two layers of polyimide film, then by the pre-dipping machine of dry state, wherein, described Kapton removes or removes behind preparation preimpregnation sheet material.
The pre-dipping machine of described dry state comprises guide roller, carry-over pinch rolls, warm-up mill, backer roll, chill roll and wind-up roll.
Wherein, described composite material presoaked machine heating roller temperature is set as 150～280 ℃, more preferably, is 180～230 ℃; Each roller speed of service of described composite material presoaked machine is 0.2～5m/min, more preferably is 0.5～3m/min.
In another preference, the preimpregnation sheet material that makes take continuous carbon fibre bundle is as unidirectional preimpregnation sheet material, and the preimpregnation sheet material that is worth take carbon fibre fabric is as textile type preimpregnation sheet material.
Wherein, the preimpregnation sheet material cut rear length should be all than the large 1.0～3.0cm of target product mould correspondence direction size with width.
Composite board and preparation thereof
Composite board of the present invention, be with preimpregnation sheet material of the present invention after cutting according to the target product thickness requirement with the preimpregnation sheet material of certain number of plies by the different laying directions laying that superposes, and by the press compacting, thereby make composite board.
Wherein, described press is preferably double-steel belt pressing machine.Described double-steel belt pressing machine comprises the thermal treatment zone, pressor areas and cooling zone; Described Heating Zone Temperature is set as 150～280 ℃, more preferably, and 180～230 ℃; The speed of service of described steel band is set as 0.2～5m/min, more preferably, and 0.5～2.5m/min; Described pressor areas is exerted pressure by setting the backer roll spacing, and wherein the backer roll spacing satisfies following formula: backer roll spacing (mm)=individual layer preliminary-dip piece thickness (mm) * laying number of plies.
In another preference, in order to prevent that acrylic resin is bonded on the steel band of double-steel belt pressing machine in the process of preparation carbon fiber RPP composite board, the laying preimpregnation sheet material that will superpose is laid between the two layers of polyimide film, then the large 5～10cm of the described preimpregnation sheet material of Kapton length and Width correspondence direction sends into double-steel belt pressing machine and prepares composite board.
When the preimpregnation sheet material is carried out laying, can use separately arbitrary unidirectional preimpregnation sheet material or arbitrary textile type preimpregnation sheet material to carry out laying; Also unidirectional preimpregnation sheet material can be mixed laying with textile type preimpregnation sheet material, or different types of textile type preimpregnation sheet material is mixed laying.
Crashproof parts and preparation thereof
Crashproof parts of the present invention are take carbon fiber as skeleton, and the composite construction of composite polypropylene resin is spliced, can be for the preparation of-the vehicles-such as the collision prevention girders of automobile, truck etc., the anti-striker of toy anti-striker, recreation facility and sports equipment.
The method for preparing described crashproof parts may further comprise the steps:
A) form the preimpregnation sheet material
Carbon fiber, acrylic resin and Kapton are imported the pre-dipping machine of dry state, make the preimpregnation sheet material, the composite construction of wherein said preimpregnation sheet material is that acrylic resin impregnated in the carbon fiber;
(b) form the stacking preimpregnation sheet material of cutting out through cutting
(b1) according to the size of target product, described preimpregnation sheet material cut cut out, form the preimpregnation sheet material of cutting out through cutting; And according to the thickness of target product, the laying that superposes of the preimpregnation sheet material after described cutting cut out forms the stacking preimpregnation sheet material of cutting out through cutting; Or
(b2) according to the thickness of target product, with the described preimpregnation sheet material laying that superposes, form stacking preimpregnation sheet material; And according to the size of target product, described stacking preimpregnation sheet material cut cut out, form the stacking preimpregnation sheet material of cutting out through cutting;
(c) form composite board
The stacking preimpregnation sheet material of cutting out through cutting is prepared composite board by press; With
(d) form crashproof parts
With described composite board by pre-heat transport apparatus preheating after, the mould of inserting target product carries out punch forming, makes crashproof parts.
The step that also comprises in addition heating, matched moulds pressurization, pressurize, die sinking, the demoulding, deburring, polishing, resistance welded in the step (d); Preferably, described heating-up temperature is 180～230 ℃, duration 30s～300s; Matched moulds is forced into 1～10MPa, and the dwell time is 20～300s, and mold temperature is 60～110 ℃;
Suite of devices
The suite of devices for preparing crashproof parts of the present invention comprises:
(i) the pre-dipping machine of dry state; The pre-dipping machine of described dry state is for the preparation of the preimpregnation sheet material.
In another preference, the preparation method of described preimpregnation sheet material imports the pre-dipping machine of dry state with carbon fiber, acrylic resin and Kapton, makes the preimpregnation sheet material, and the composite construction of wherein said preimpregnation sheet material is that acrylic resin impregnated in the carbon fiber;
(ii) double-steel belt pressing machine;
(iii) preheat conveyer;
(iv) target product mould;
(v) hydraulic press.
Wherein, the pre-dipping machine of described dry state comprises guide roller, carry-over pinch rolls, warm-up mill, backer roll, chill roll and wind-up roll.
Described double-steel belt pressing machine comprises the thermal treatment zone, pressor areas and cooling zone, wherein said pressor areas is exerted pressure by setting the backer roll spacing, and described backer roll spacing satisfies following formula: backer roll spacing (mm)=individual layer preliminary-dip piece thickness (mm) * laying number of plies.
The described conveyer that preheats comprises heater, connecting gear;
In another preference, the pre-dipping machine Temperature Setting of described dry state is 150～250 ℃, more preferably, is 180～230 ℃; The described pre-dipping machine speed of service is 0.2～5m/min, more preferably is 0.5～3m/min;
In another preference, described pair of steel band press heating-up temperature is 150～250 ℃, more preferably, and 180～230 ℃; The speed of service of described pair of steel band press is set as 0.2～5m/min, more preferably, and 0.5～2.5m/min;
In another preference, the described conveyer Temperature Setting that preheats is 150～250 ℃, more preferably, and 180～230 ℃.
Described hydraulic press is used for the punch forming process to carry out matched moulds, exerts pressure and die sinking mould; In another preference, described hydraulic press pressure setting is 1～10MPa, and the dwell time is set as 2-～300S.
Main beneficial effect of the present invention comprises:
1. light, the energy-conserving and environment-protective of quality: composite of the present invention and collision prevention girders are compared with the traditional metal materials collision prevention girders after the Rigidity Calculation such as carrying out, and quality alleviates and reaches more than 60%, can realize making target product such as automotive light weight technology, and reach the purpose of fuel-economizing, environmental protection.
2. in enormous quantities serialization automated production, shaping efficiency is high: composite of the present invention is in the preparation process of collision prevention girders, each step all can be realized serialization automated production in enormous quantities, and die needed temperature is low than conventional method, saved cool time, and punch forming is short than the traditional heating molding time, punch forming prepares parts and can reach 10/hour among the present invention, with the hot-forming pact of thermoplastic composite per hour 1 and traditional same with thermosetting compound material such as epoxy resin cure moulding 2～6 hours 1 compare, shaping efficiency improves greatly.
3. the recyclable recycling of material: compare with traditional thermosetting resin based composites, the matrix resin-acrylic resin described in the present invention is thermoplastic resin, so the composite among the present invention is easy to reclaim, and can again utilize.
4. preparation technology is pollution-free: compare with the technique that adopts polyphenylene sulfide ethers material, do not have harmful poisonous gas (such as the pernicious gas of sulfur-bearing) to produce in the preparation process of the present invention.
5. preparation technology's energy consumption significantly descends: method of the present invention is preferably 180～230 ℃ in heating-up temperature, significantly be lower than the heating-up temperature (290～350 ℃) of polyphenylene sulfide ethers composite, in the time saving energy consumption that reduced simultaneously, more meet the requirement of environmental protection.
The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:
Material: eastern beautiful T700-12K continuous carbon fibre tow and specification are the continuous polypropylene fibre at 800 dawn;
1.1 as shown in Figure 1, continuous carbon fibre tow 3 is drawn through exhibition yarn roller 5 exhibition yarns and is converged at guide roller 6 with the continuous polypropylene fibre 2 and the polyimides thin 1 that apply through jockey pulley 4 behind the tension force after applying tension force from creel, wherein polypropylene fibre 2 is divided equally the two-layer both sides that are positioned at continuous carbon fibre tow 3 continuously, and Kapton is distributed in the both sides of two-layer continuous polypropylene fibre.Converge at the continuous carbon fibre tow 3 of guide roller 6, continuously polypropylene fibre 2, Kapton 1 enter composite dry state preimpregnation machine through carry-over pinch rolls 7, pass through successively warm-up mill 8-1,8-2 is after 8-3 heating, backer roll 9 pressurizations, chill roll 10 coolings and obtain the unidirectional preimpregnation sheet material of carbon fiber RPP by wind-up roll 12 rollings behind the guide roller 11.
The speed setting of pre-each roller of dipping machine of dry state is 1.0m/min, and the Temperature Setting of warm-up mill 8-1 is 180 ℃, and the Temperature Setting of warm-up mill 8-2 is 200 ℃, and the Temperature Setting of warm-up mill 8-3 is 200 ℃, and the spacing between the backer roll 9 is adjusted to 0.125mm.Used eastern beautiful T700-12K continuous carbon fibre tow 3 is totally 75 volumes, and specification is continuous polypropylene fibre 2 totally 220 volumes at 800 dawn.
1.2 cut into 220mm * 1220mm size after the continuous carbon fibre preimpregnation sheet material that makes in 1.1 being torn off the Kapton on surface, and with [0/90/0]
4sThe mode laying, the unidirectional preimpregnation sheet material of the carbon fiber RPP laying 19 that laying is good places between the Kapton 20 of the two-layer 300mm of being of a size of * 1300mm, the unidirectional preimpregnation sheet material of carbon fiber RPP laying 19 and Kapton 20 are entered through the blowing district between the upper steel band 14 and lower steel band 15 of double-steel belt pressing machine, successively through obtaining carbon fiber RPP composite board behind the thermal treatment zone between the heating plate 16, the pressor areas between the pressure roller 18, the cooling zone between the coldplate 17.
The Speed Setting of double-steel belt pressing machine is 0.75mm/min, and the Temperature Setting of heating plate 16 is 200 ℃, and the gap between upper steel band 14 and the lower steel band 15 is set as 3.0mm, and the spacing setting between the pressure roller 18 is 3.0mm.
1.31.2 in the composite board that makes cut burr after tearing the Kapton on surface off, the composite board that cuts behind the burr is of a size of 200.5mm * 1200.5mm.
1.4 the composite board that will cut behind the burr is fixed in conveyer 23, by conveyer 23 carbon fiber RPP composite board is sent between the heater 22, heats 200s in 200 ℃.
1.5 the continuous fiber reinforced polypropylene composite board that will heat by conveyer 23 is sent between the formpiston 24 and former 25 of automobile buffer beam first, formpiston 24 and former 25 is closed, and be forced into 5MPa.Wherein formpiston 24 and former 25 Temperature Settings are 80 ℃.
1.6 behind the pressurize 100s, die sinking, the demoulding obtains the First 26 of collision prevention girders product.
Be the mould of collision prevention girders second portion 1.7 the mould of collision prevention girders first in 1.4～1.6 changed, repetition 1.4～1.6 obtains the second portion 27 of collision prevention girders product, and 27 is the sectional view of the second portion of collision prevention girders product among Fig. 4.
1.8 heating element heater 28 is placed between collision prevention girders first 26 and the collision prevention girders second portion, two ends clamp with contact anchor clamps 29, keeping the 30 energising welding that close a switch under the pressure condition, by power supply 31, ammeter 32 and voltmeter 33 control weldingvoltage and electric currents, between taking off after welding is finished, the finishing weld namely obtains the final products of composite anti-collision beam parts, and Fig. 7 is the 3 dimensional drawing of the final products of composite anti-collision beam parts.
The unidirectional preimpregnation sheet thickness of the carbon fiber RPP that makes in the present embodiment is 0.125mm, and fabric width is 600mm, and surface density is 132g/m
2Wherein the fiber volume fraction of carbon fiber is 60.54%, the carbon fiber RPP composite board thickness that makes in the present embodiment is 2.9～3.0mm, and the hot strength that obtains composite board by standard A STM D3039 test is greater than 650Mpa, and stretch modulus is greater than 65Mpa; Obtain the composite board bending strength greater than 683Mpa by the test of standard A STM D7264 three-point bending, bending modulus is greater than 62Gpa; Obtain the notched Izod impact strength of composite board greater than 120KJ/ ㎡ by standard ISO 179 tests.The Rigidity Calculation such as pass through, the composite anti-collision beam parts that make are compared the metal parts loss of weight and are reached 60%.
Material: eastern beautiful T300-3K carbon fiber twills and polypropylene fibre film;
Wherein the twill surface density of carbon fiber is 160g/m
2, fabric width is 600mm; The surface density of polypropylene film is 30g/m
2, fabric width is 600mm.
2.1 as shown in Figure 6, carbon fiber twills 34, polypropylene film 35, Kapton 1 drawn converge at guide roller 6, wherein two layers of polypropylene film 35 is positioned at the both sides of carbon fiber twills 34, and Kapton 1 is distributed in the both sides of two layers of polypropylene film 35.The carbon fiber fabric 34, polypropylene film 35, the Kapton 1 that converge at guide roller 6 enter composite dry state preimpregnation machine through carry-over pinch rolls 7, pass through successively warm-up mill 8-1,8-2 obtains carbon fiber RPP textile type preimpregnation sheet material by wind-up roll 12 rollings behind 8-3 heating, backer roll 9 pressurizations, chill roll 10 coolings and the guide roller 11.
The speed setting of pre-each roller of dipping machine of dry state is 1.5m/min, and the Temperature Setting of warm-up mill 8-1 is 200 ℃, and the Temperature Setting of warm-up mill 8-2 is 220 ℃, and the Temperature Setting of warm-up mill 8-3 is 220 ℃, and the spacing between the backer roll 9 is adjusted to 0.25mm.
2.2 cut into 230mm * 1230mm size after the continuous carbon fibre textile type preimpregnation sheet material that makes in 1.1 being torn off the Kapton on surface, and with the mode laying of [0/90/0/90/0/90] s, the unidirectional preimpregnation sheet material of the carbon fiber RPP laying 19 that laying is good places between the Kapton 20 of the two-layer 300mm of being of a size of * 1300mm, carbon fiber RPP textile type preimpregnation sheet material laying 19 and Kapton 20 are entered between the upper steel band 14 and lower steel band 15 of double-steel belt pressing machine through the blowing district, pass through successively the thermal treatment zone between the heating plate 16, pressor areas between the pressure roller 18, obtain carbon fiber RPP composite board behind the cooling zone between the coldplate 17.
The Speed Setting of double-steel belt pressing machine is 1.5mm/min, and the Temperature Setting of heating plate 16 is 220 ℃, and the gap between upper steel band 14 and the lower steel band 15 is set as 3.0mm, and the spacing setting between the pressure roller 18 is 3.0mm.
The carbon fiber RPP composite board thickness that makes in the present embodiment is 2.9～3.0mm.
2.3 cut burr after the carbon fiber RPP composite board that makes in 2.2 being torn off the Kapton on surface, the carbon fiber RPP composite board that cuts behind the burr is of a size of 201mm * 1200mm.
2.4 the carbon fiber RPP composite board that will cut behind the burr is fixed in conveyer 23, by conveyer 23 carbon fiber RPP composite board is sent between the heater 22, heats 150s in 220 ℃.
2.5 the continuous fiber reinforced polypropylene composite board that will heat by conveyer 23 is sent between the formpiston 24 and former 25 of automobile buffer beam first, formpiston 24 and former 25 is closed, and be forced into 3MPa.Wherein formpiston 24 and former 25 Temperature Settings are 100 ℃.
2.6 behind the pressurize 100s, die sinking, the demoulding obtains the First 26 of collision prevention girders product.
2.7 be the mould of collision prevention girders second portion with the mould of collision prevention girders first being changed in 2.4～2.6, repetition 2.4～2.6 obtains the second portion 27 of collision prevention girders product, 27 is the sectional view of the second portion of collision prevention girders product among Fig. 4.
2.8 heating element heater 28 is placed between collision prevention girders first 26 and the collision prevention girders second portion, two ends clamp with contact anchor clamps 29, keeping the 30 energising welding that close a switch under the pressure condition, by power supply 31, ammeter 32 and voltmeter 33 control weldingvoltage and electric currents, between taking off after welding is finished, the finishing weld namely obtains the final products of composite anti-collision beam parts, and Fig. 7 is the 3 dimensional drawing of the final products of composite anti-collision beam parts.
The unidirectional preimpregnation sheet thickness of the carbon fiber RPP that makes in the present embodiment is 0.25mm, and fabric width is 600mm, and surface density is 220g/m
2, wherein the fiber volume fraction of carbon fiber is 57.14%.The carbon fiber RPP composite board thickness that makes in the present embodiment is 2.9～3.0mm, and the hot strength that obtains composite board by standard A STM D3039 test is greater than 605Mpa, and stretch modulus is greater than 58Mpa; Obtain the composite board bending strength greater than 627Mpa by the test of standard A STM D7264 three-point bending, bending modulus is greater than 54Gpa; Obtain the notched Izod impact strength of composite board greater than 125KJ/ ㎡ by standard ISO 179 tests.The Rigidity Calculation such as pass through, the composite anti-collision beam parts that make are compared the metal parts loss of weight and are reached 60%.
All quote in this application as a reference at all documents that the present invention mentions, just as each piece document is quoted separately as a reference.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after having read above-mentioned instruction content of the present invention, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (11)
1. the preparation method of crashproof parts is characterized in that, said method comprising the steps of:
(a) form the preimpregnation sheet material
Carbon fiber, acrylic resin and Kapton are imported the pre-dipping machine of dry state, make the preimpregnation sheet material, the composite construction of wherein said preimpregnation sheet material is that acrylic resin impregnated in the carbon fiber;
(b) form the stacking preimpregnation sheet material of cutting out through cutting
(b1) according to the size of target product, described preimpregnation sheet material cut cut out, form the preimpregnation sheet material of cutting out through cutting; And according to the thickness of target product, the laying that superposes of the preimpregnation sheet material after described cutting cut out forms the stacking preimpregnation sheet material of cutting out through cutting; Or
(b2) according to the thickness of target product, with the described preimpregnation sheet material laying that superposes, form stacking preimpregnation sheet material; And according to the size of target product, described stacking preimpregnation sheet material cut cut out, form the stacking preimpregnation sheet material of cutting out through cutting;
(c) form composite board
The stacking preimpregnation sheet material of cutting out through cutting is prepared composite board by press; With
(d) form crashproof parts
With described composite board by pre-heat transport apparatus preheating after, the mould of inserting target product carries out punch forming, makes crashproof parts.
2. the method for claim 1 is characterized in that, described carbon fiber comprises continuous carbon fibre bundle and carbon fibre fabric; Described acrylic resin is selected from polypropylene continuous tow, polypropylene film, polypropylene non-woven fabric, polypropylene fibre felt;
More preferably, described carbon fibre fabric comprises plain cloth, twills, satin fabric, one-way fabric, multi-axial tricot.
3. the method for claim 1 is characterized in that, the pre-dipping machine heating-up temperature of described dry state is set as 150～250 ℃, more preferably, is 180～230 ℃; And/or
The pre-dipping machine speed of service of described dry state is 0.2～5m/min, more preferably is 0.5～3m/min.
4. the method for claim 1 is characterized in that, described press is two steel band press;
Preferably, described pair of steel band press heating-up temperature is 150～250 ℃, more preferably, and 180 ~ 230 ℃;
Preferably, the speed of service of described pair of steel band press is set as 0.2 ~ 5m/min, more preferably, and 0.5 ~ 2.5m/min.
5. the method for claim 1 is characterized in that, described pre-heat transport apparatus heating-up temperature is 150～250 ℃, and more preferably, 180～230 ℃, be 30s～300s heat time heating time.
6. the method for claim 1 is characterized in that, pressure setting is 1 ~ 10MPa during punch forming, and the dwell time is set as 20 ~ 300s, and mold temperature is set as 60 ~ 110 ℃.
7. crashproof parts is characterized in that, described crashproof parts prepare with method claimed in claim 1.
8. the purposes of crashproof parts claimed in claim 7 is characterized in that, can be for the preparation of the anti-striker of automobile buffer beam, toy anti-striker, recreation facility and sports equipment.
9. a composite board is characterized in that, described composite board is by step in the claim 1 (a)-(c) be prepared from, wherein
(a) form the preimpregnation sheet material
Carbon fiber, acrylic resin and Kapton are imported the pre-dipping machine of dry state, make the preimpregnation sheet material, the composite construction of wherein said preimpregnation sheet material is that acrylic resin impregnated in the carbon fiber;
(b) form the stacking preimpregnation sheet material of cutting out through cutting;
(b1) according to the size of target product, described preimpregnation sheet material cut cut out, form the preimpregnation sheet material of cutting out through cutting; And according to the thickness of target product, the laying that superposes of the preimpregnation sheet material after described cutting cut out forms the stacking preimpregnation sheet material of cutting out through cutting; Or
(b2) according to the thickness of target product, with the described preimpregnation sheet material laying that superposes, form stacking preimpregnation sheet material; And according to the size of target product, described stacking preimpregnation sheet material cut cut out, form the stacking preimpregnation sheet material of cutting out through cutting;
(c) form composite board
The stacking preimpregnation sheet material of cutting out through cutting is prepared composite board by press.
10. a device systems for preparing crashproof parts is characterized in that, described system comprises:
(i) the pre-dipping machine of dry state, the pre-dipping machine of described dry state is for the preparation of preimpregnation sheet material as claimed in claim 1;
(ii) two steel band press;
(iii) preheat conveyer;
(iv) target product mould;
(v) hydraulic press.
11. system as claimed in claim 10 is characterized in that, wherein, the pre-dipping machine of described dry state comprises guide roller, carry-over pinch rolls, warm-up mill, backer roll, chill roll and wind-up roll; And/or
Described double-steel belt pressing machine comprises the thermal treatment zone, pressor areas and cooling zone, wherein said pressor areas is exerted pressure by setting the backer roll spacing, and described backer roll spacing satisfies following formula: backer roll spacing (mm)=individual layer preliminary-dip piece thickness (mm) * laying number of plies; And/or
The described conveyer that preheats comprises heater, connecting gear.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114429A (en) * | 2016-07-22 | 2016-11-16 | 吉林大学 | Composite construction bumper collision prevention girders and manufacture method |
| CN106553063A (en) * | 2016-08-31 | 2017-04-05 | 杭州钱江万胜电器制造有限公司 | Compressor steel valve plate Integral producing apparatus and its using method |
| CN107757320A (en) * | 2017-10-17 | 2018-03-06 | 奇瑞汽车股份有限公司 | A kind of crashworthy plate of vehicle door and preparation method, car door |
| CN108688451A (en) * | 2017-04-12 | 2018-10-23 | 株式会社新韩产业 | Automobile door anti-collision joist and its manufacturing device and manufacturing method |
| CN111716781A (en) * | 2020-06-12 | 2020-09-29 | 杭州西奥电梯有限公司 | Production equipment and process and elevator traction belt produced by production equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102514117A (en) * | 2011-12-05 | 2012-06-27 | 中国科学院宁波材料技术与工程研究所 | Carbon fiber enhanced polyphenylene sulfide composite material for automobile anticollision beam and method for manufacturing automobile anticollision beam |
| CN101845232B (en) * | 2010-04-29 | 2012-09-26 | 中国科学院宁波材料技术与工程研究所 | Thermoplastic resin-based carbon fiber composite and preparation method thereof |
-
2012
- 2012-12-24 CN CN201210570684.XA patent/CN103072258B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845232B (en) * | 2010-04-29 | 2012-09-26 | 中国科学院宁波材料技术与工程研究所 | Thermoplastic resin-based carbon fiber composite and preparation method thereof |
| CN102514117A (en) * | 2011-12-05 | 2012-06-27 | 中国科学院宁波材料技术与工程研究所 | Carbon fiber enhanced polyphenylene sulfide composite material for automobile anticollision beam and method for manufacturing automobile anticollision beam |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114429A (en) * | 2016-07-22 | 2016-11-16 | 吉林大学 | Composite construction bumper collision prevention girders and manufacture method |
| CN106114429B (en) * | 2016-07-22 | 2019-01-01 | 吉林大学 | Composite construction bumper collision prevention girders and manufacturing method |
| CN106553063A (en) * | 2016-08-31 | 2017-04-05 | 杭州钱江万胜电器制造有限公司 | Compressor steel valve plate Integral producing apparatus and its using method |
| CN106553063B (en) * | 2016-08-31 | 2019-02-12 | 杭州钱江万胜电器制造有限公司 | Compressor steel valve plate Integral producing apparatus and its application method |
| CN108688451A (en) * | 2017-04-12 | 2018-10-23 | 株式会社新韩产业 | Automobile door anti-collision joist and its manufacturing device and manufacturing method |
| CN108688451B (en) * | 2017-04-12 | 2021-09-17 | 株式会社新韩产业 | Device for manufacturing automobile door anti-collision beam |
| CN107757320A (en) * | 2017-10-17 | 2018-03-06 | 奇瑞汽车股份有限公司 | A kind of crashworthy plate of vehicle door and preparation method, car door |
| CN111716781A (en) * | 2020-06-12 | 2020-09-29 | 杭州西奥电梯有限公司 | Production equipment and process and elevator traction belt produced by production equipment |
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| CN103072258B (en) | 2015-12-09 |
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