CN104175573B - A kind of production technology of composite product - Google Patents
A kind of production technology of composite product Download PDFInfo
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- CN104175573B CN104175573B CN201410343312.2A CN201410343312A CN104175573B CN 104175573 B CN104175573 B CN 104175573B CN 201410343312 A CN201410343312 A CN 201410343312A CN 104175573 B CN104175573 B CN 104175573B
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- autoclave
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- 238000004519 manufacturing process Methods 0.000 title abstract description 27
- 239000002131 composite material Substances 0.000 title abstract description 24
- 238000005516 engineering process Methods 0.000 title abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000003292 glue Substances 0.000 claims abstract description 10
- 230000001681 protective Effects 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000002648 laminated material Substances 0.000 claims abstract description 6
- 238000003856 thermoforming Methods 0.000 claims abstract description 6
- 239000004744 fabric Substances 0.000 claims description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 239000004761 kevlar Substances 0.000 claims description 5
- 238000007639 printing Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000007731 hot pressing Methods 0.000 claims description 2
- 240000003917 Bambusa tulda Species 0.000 claims 1
- 239000005030 aluminium foil Substances 0.000 claims 1
- 239000003822 epoxy resin Substances 0.000 claims 1
- 229920000647 polyepoxide Polymers 0.000 claims 1
- 239000000741 silica gel Substances 0.000 claims 1
- 229910002027 silica gel Inorganic materials 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 239000000047 product Substances 0.000 abstract 5
- 239000006227 byproduct Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 229920001187 thermosetting polymer Polymers 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 4
- 238000004513 sizing Methods 0.000 description 4
- 239000007779 soft material Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 230000003203 everyday Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005987 sulfurization reaction Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Abstract
The present invention relates to the production technology of a kind of material, particularly to the production technology of a kind of composite product.The production technology of this kind of composite product comprises the following steps: the first step: make raw material containing glue material；Second step: make laminated material containing glue material by described；3rd step: described laminated material is shaped by mould, and load in overcoat, and protective bag on the outside of overcoat is overlapped again, form negative pressure；4th step: being put into by product and vulcanize in autoclave, boost to 0.3Mpa 3.0Mpa in autoclave, temperature rises to 60 DEG C 300 DEG C, after thermoforming 15 80min, takes out product after circulation temperature lowering.This use autoclave produces technique production capacity and the efficiency height of composite product, and yields is the highest, and the dimensional uniformity of each product is good.
Description
Technical field
The present invention relates to the production technology of a kind of material, particularly to the production technology of a kind of composite product.
Background technology
The composite products such as bamboo veneer in the market, carbon fiber, kevlar, are typically all and complete formed product by hot press, use pressure at 0.6Mpa-20Mpa, use temperature at 85 DEG C-300 DEG C, and the resin of use is thermosetting or thermoplastic resin.Use the materials such as thermosetting resin the leaching glass-fiber-fabric of fat, kevlar cloth, carbon cloth, bamboo veneer, heated the molding of product by lamination, mold pressing, then carved moulding operation by cut and CNC, made " finished product " finally by spraying printing.The enterprise using autoclave technique to produce composite product has not yet seen, and market typically all produces tire, sole with autoclave.
This production technology of existing market has the disadvantage that:
1. production capacity is the lowest, efficiency is low；
2. yields is low, the physical consuming of employee is big；
3. the concordance of size is poor；
4. the product of 6 one cannot molding.
Summary of the invention
The present invention provides that a kind of production capacity is high, efficiency is high, and makes the composite material product producing process that the homogeneity of product produced is high.
The production technology of a kind of composite product, it is characterised in that comprise the following steps:
The first step: raw material is made containing glue material；
Second step: make laminated material containing glue material by described；
3rd step: described laminated material is shaped by mould, and load in overcoat, and protective bag on the outside of overcoat is overlapped again, form negative pressure；
4th step: product is put into and vulcanizes in pressure vessel, boosting in pressure vessel, heats up, after thermoforming, takes out product after circulation temperature lowering.
This production technology adds step 3 and step 4 on the basis of traditional handicraft; the technique in step 3, the mould after sizing being loaded protection set; can complete the further sizing to product, also solving product surface in follow-up sulfuration process there is the defect of pin hole simultaneously；Before the technique forming negative pressure, product is overlapped protective bag again, in making product protective bag again, be in the state of negative pressure；Step 4 boosts to barotropic state after sulfuration, and in protective bag, is negative pressure, further product is compacted；Temperature is raised to high temperature, makes at high temperature to start to melt containing the colloid in glue material, occurs waiting outside bag all pressing to interior product compaction, expands at a constant volume internal protective cover and melted uniform colloid is squeezed into shape of product；In reservoir pressure, temperature, cooling procedure good evenness, stability is high, and concordance is good, it is ensured that the high concordance of product.
As a further improvement on the present invention, in the step 4 of the production technology of this composite product, hot pressing pressure inside the tank rises to 0.3Mpa-3.0Mpa, and temperature rises to 60 DEG C-300 DEG C, and the time of thermoforming is 15min-80min.
As a further improvement on the present invention, the production technology of this composite product, after the 4th step, also includes: the 5th step: cut shaped article and carve, and makes finished product by spraying printing.Further cut according to concrete shape requirements after product goes out pressure vessel and carved, and being sprayed printing, being met user's demand to product appearance.
As a further improvement on the present invention, in production technology the 5th step of this composite product, described cutting uses cut.
As a further improvement on the present invention, in production technology the 5th step of this composite product, described engraving uses CNC engraving.Use laser and CNC can better meet the cutting to composite product and engraving.
As a further improvement on the present invention, one or several during the raw material of the production technology of this composite product is glass-fiber-fabric, kevlar cloth, carbon cloth, bamboo veneer.These several raw materials have preferable molding effect for producing composite product, and these materials are also readily available, and may be controlled to this.
As a further improvement on the present invention, in the production craft step one of this composite product, raw material is made containing glue material by immersing thermosetting resin.Thermosetting resin plays the intensity increasing cloth and the effect being adhered other laminations.
As a further improvement on the present invention, the overcoat of the production technology of this composite product is soft material.Follow-up vulcanisation step will not be impacted with soft material.
As a further improvement on the present invention, the protective bag of the production technology of this composite product is for sealing resistance to bag pressing.Do protective bag by the resistance to bag pressing of sealing and can preferably solve the bad defect of product.
As a further improvement on the present invention, the production technology of this composite product uses circulating chilled water cooling in step 4.Circulating chilled water cooling can preferably ensure stability and the uniformity of temperature-fall period.
As a further improvement on the present invention, the pressure vessel of the production technology of this composite product is preferably autoclave.
The invention has the beneficial effects as follows: production capacity and efficiency are high, and yields is the highest, and the dimensional uniformity of each product is good.
Detailed description of the invention
By specific embodiment, the present invention is further elaborated below.
The production technology of this kind of composite product comprises the following steps:
The first step: the materials such as glass-fiber-fabric, kevlar cloth, carbon cloth, bamboo veneer are immersed thermosetting resin, thermosetting resin is used to increase the intensity of cloth and be adhered the effect of other laminations.
Second step: according to the requirement of product, will contain adhesive plaster and other fabric laminations, and the purpose containing adhesive plaster is to increase intensity, and fabric is product appearance demand.
3rd step: by laminated sheet by mould, shape, it is simple to load in soft rubber sleeve；The lamination of sizing is loaded in soft rubber sleeve, completes the sizing of product；Stereotyped product is loaded and seals resistance to bag pressing, make product be in negative pressure state.
4th step: put into by the product installing bag and vulcanize in autoclave, heat up 60 DEG C-300 DEG C in autoclave in boosting 0.3Mpa-3.0Mpa, autoclave, after thermoforming 15-80 minute, is lowered the temperature by circulating chilled water, makes product solidifying and setting, open tank door and take out product.
5th step: by cut and CNC, product has been carved moulding operation, makes finished product finally by spraying printing.
Shortcoming relative to traditional handicraft:
1. utilize thermosetting resin and latent curing agent, selected equipment and processing scheme by the principle of heat cure；
2. utilize mould heating, pressurize and cool down, transfer heat to product, product melted by heating, solidifying and setting, the precision of template, the constant return of ambient temperature directly influence formed product effect, the pressure of the air pattern tool in weaving cotton cloth cannot drain only completely, so surface of product the most all can occur that Pinhole-shaped is bad, and high-precision product produces extremely difficult by this technique；
3. mold cavity is plated teflon layer or spray demoulding water, in order to product stripping.
The production technology of this kind of composite product has the advantages that
1. utilize thermosetting resin and latent curing agent, selected equipment and processing scheme by the principle of heat cure；
2. utilize soft material model at high temperature extruded product, utilize the principle demoulding that soft material and resin do not stick；
3. utilizing autoclave technique, all spared to each face of product by air and heat simultaneously, pressurize, make product be improved by thermal response concordance, quality consistency just improves.
In actual production, hot press every machine every day at most completes 3000 products, uses that autoclave every machine every day is minimum completes 30000 products；Producing flat panel products, within hot press is difficult to accomplish error 0.02mm, autoclave employing etc. is all pressed and is fully achieved requirement；Six faces are not allow for the product of any " spue line ", and hot press technique cannot realize, and autoclave technique can realize completely.
Above content is to combine the further description that the present invention is done by concrete preferred implementation, it is impossible to assert the present invention be embodied as be confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (9)
1. one kind uses the technique that autoclave produces 3C Product, it is characterised in that comprise the following steps:
The first step: raw material is made containing glue material；
Second step: by described containing glue material be clipped in two non-containing making laminated material in the middle of glue material；
3rd step: described laminated material is carried out pre-setting by cold stamping die, and loads in the protection set with shape of product, and overlap protective bag, evacuation again in the outside of protection set；
4th step: product is put into and vulcanizes in autoclave, boosting in autoclave, heat up, after thermoforming, after circulation temperature lowering, take out product, hot pressing pressure inside the tank rises to 0.3Mpa-3.0Mpa, and temperature rises to 60 DEG C-300 DEG C, and the time of thermoforming is 15min-50min.
A kind of technique using autoclave to produce 3C Product the most according to claim 1, it is characterised in that after the 4th step, also include:
5th step: the product taken out from autoclave is cut and carves, and make finished product by spraying printing.
A kind of technique using autoclave to produce 3C Product the most according to claim 2, it is characterised in that in the 5th step, described cutting uses cut.
A kind of technique using autoclave to produce 3C Product the most according to claim 2, it is characterised in that in the 5th step, described engraving uses CNC engraving.
A kind of technique using autoclave to produce 3C Product the most according to claim 1, it is characterised in that described raw material is one or several in glass-fiber-fabric, kevlar cloth, carbon cloth, bamboo veneer.
A kind of technique using autoclave to produce 3C Product the most according to claim 1, it is characterised in that in step one, raw material is made containing glue material by immersing epoxy resin.
A kind of technique using autoclave to produce 3C Product the most according to claim 1, it is characterised in that described protection set is silica gel sheath.
A kind of technique using autoclave to produce 3C Product the most according to claim 1, it is characterised in that described protective bag is aluminium foil bag.
A kind of technique using autoclave to produce 3C Product the most according to claim 1, it is characterised in that use circulating chilled water cooling in described step 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410343312.2A CN104175573B (en) | 2014-07-18 | A kind of production technology of composite product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410343312.2A CN104175573B (en) | 2014-07-18 | A kind of production technology of composite product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104175573A CN104175573A (en) | 2014-12-03 |
| CN104175573B true CN104175573B (en) | 2016-11-30 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102481731A (en) * | 2009-06-12 | 2012-05-30 | 快步科技私人有限公司 | Method of producing advanced composite components |
| CN102741040A (en) * | 2009-12-11 | 2012-10-17 | 空中客车西班牙运营有限责任公司 | Compacting process for a part made of composite materials |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102481731A (en) * | 2009-06-12 | 2012-05-30 | 快步科技私人有限公司 | Method of producing advanced composite components |
| CN102741040A (en) * | 2009-12-11 | 2012-10-17 | 空中客车西班牙运营有限责任公司 | Compacting process for a part made of composite materials |
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