CN105696304A - Carbon fiber surface continuous treatment apparatus - Google Patents
Carbon fiber surface continuous treatment apparatus Download PDFInfo
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- CN105696304A CN105696304A CN201410685120.XA CN201410685120A CN105696304A CN 105696304 A CN105696304 A CN 105696304A CN 201410685120 A CN201410685120 A CN 201410685120A CN 105696304 A CN105696304 A CN 105696304A
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- carbon fiber
- oxidation unit
- heat pipe
- inner chamber
- fiber surface
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Abstract
The invention discloses a carbon fiber surface continuous treatment apparatus. The apparatus comprises an oxidation device inner cavity, and a gas inlet nozzle, a yarn inlet, a heating tube, a roller, a bearing and a yarn outlet are arranged in the cavity; and a wire used for the heating tube, a voltage regulator, a power supply switch, a power supply, a power supply used for a heating sleeve, and a temperature measurement and control device are arranged outside the cavity. The heating tube is heated to a required temperature through the voltage regulator, the heating sleeve is controlled to be a required temperature through the power supply and the temperature measurement and control device, carbon fiber bundles enter the cavity, are in contact with and have friction with the surface of the fixed heating tube to absorb heat, then are pulled, and finally are in rolling contact with the surface of the roller to transfer heat, and fibers are heated and oxidized by hot air or other oxidizing gases in the cavity in the above process to generate some active groups, so the carbon fiber and resin interface compatibility is improved.
Description
Technical field
The present invention relates to the preparing technical field of continuous fiber reinforced composites, be specifically related to a kind of carbon fiber surface apparatus for continuous treatment。
Background technology
It is the High Performance FRTP Composites starting development after short fiber reinforced nylon composite materials that continuously/long carbon fiber strengthens nylon composite materials。But, the surface chemistry inertia of carbon fiber so that the interface compatibility between itself and resin is poor, reinforced effects fails effectively to bring into play。
The surface treatment of carbon fiber generally has the modified method of vapour phase oxidation process, liquid phase oxidation, anodizing, plasma oxidation method, face coat etc.。
The significant advantage of vapour phase oxidation process is that equipment and technique are simple, and cost is low, oxidizing gas available air, oxygen, ozone, carbon dioxide and nitrogen dioxide etc.。
Patent CN201310573150 relates to a kind of carbon fiber drying oven。This stove includes body of heater, cycle through for gas air channel and for carrying the transmitting device of carbon fibre tow, carbon fiber wire enters body of heater, is heated by hot blast。Utilize and the device of circulating-heating air is set in the outside of body of heater and makes carbon fibre tow repeatedly enter body of heater to be thermally dried。
Patent CN102345228A uses air as surface treatment of carbon fibers medium, plasma emission device launch electroneutral low temperature plasma, and the carbon fibre tow surface in motion is carried out low temperature plasma bombardment；The carbon fibre tow speed of service 60～150m/h；Carbon fiber processing environment temperature range-10 DEG C～50 DEG C。
Patent CN2214421Y surface treatment of carbon fibers device, including two surface treatment stoves being connected in series, ultraviolet light reflecting plate, uviol lamp and gas distribution tube is had in surface treatment stove lateral arrangement, gas distribution tube with body of heater outside ozonator be connected, processing and have conductive rollers outside stove, conductive rollers is connected with current pulser。Being provided with the heater for heating for recyclegas on described air channel, the two ends in described air channel are connected with described body of heater, are provided with the blower fan for driving gas to circulate in described air channel, and described transmitting device is connected with described body of heater。
Carbon fiber surface apparatus for continuous treatment described in above patent is Hot-blast Heating, Cement Composite Treated by Plasma, uviol lamp and ozonization, is not directed to electrothermal tube, roller heating。
Patent CN202895503U discloses the melt impregnation head of a kind of continuous fiber reinforced thermoplastic resin molding, is provided with melt distribution runner and dipping runner in head, and each discharging opening of melt distribution runner is connected with dipping runner by discharge roller；Dipping runner two ends are access road and exit passageway, arrange least one set jockey pulley, arrange least one set jockey pulley between exit passageway and discharge roller between access road and discharge roller。Relate to rotating jockey pulley, for inert gas environment improves tension force and the dipping effect of continuous fiber, be not directed in oxidizing gas electrothermal tube, the heating of pair of rollers continuous fiber, oxidation。
Summary of the invention
The present invention is according to above-mentioned the deficiencies in the prior art, it is provided that a kind of carbon fiber surface apparatus for continuous treatment, for preparing the surface oxidation treatment that continuously/long carbon fiber strengthens the carbon fiber of thermoplastic resin based composite material。
In order to achieve the above object, the present invention adopts the technical scheme that:
A kind of carbon fiber surface oxidation unit, including oxidation unit inner chamber (3), described carbon fiber yarn (10) enters in oxidation unit inner chamber (3) through yarn inlet (2), fixing multiple heat pipe (4) surface is added through what be in staggered distribution up and down, it is fully contacted with multiple rollers (6) surface free to rotate being in staggered distribution up and down again, described carbon fiber yarn (10) leaves oxidation unit inner chamber (3) through yarn outlet (9), described yarn inlet (2) be connected with valve (1), gaseous oxidant is passed in oxidation unit inner chamber (3) by valve (1)。
Further, the described heat pipe (4) that adds is to regulate voltage by pressure regulator (15), and then plays adjustment, controls the effect of heating tube temperature。
Further, the described head adding heat pipe (4) inserts in the hole of oxidation unit inner chamber (3) header board, and afterbody is fixed in the screwed hole of oxidation unit inner chamber (3) back plate by threaded portion so that it is be fixed in oxidation unit inner chamber (3)。
Further, the described fixed position adding heat pipe (4) is in staggered distribution up and down, and the upper surface that carbon fiber yarn (10) adds heat pipe (4) through top leads the lower surface adding heat pipe (4) to bottom, is fully contacted with each roller (6) upper and lower surface successively。
Further, described heat pipe (4) quantity that adds is 2～10。
Further, described heat pipe (4) temperature that adds is 350～450 DEG C。
Further, described roller (6) two ends support by heat-resisting sealed bearing, to meet requirement free to rotate。
Further, described roller (6) quantity is 5～40。
Further, described oxidation unit inner chamber (3) temperature is 350～450 DEG C。
Further, the quantity of described yarn inlet (2) is 1～600。
The present invention will add heat pipe by pressure regulator and be heated to temperature required, add hot jacket and also be controlled temperature required by power supply, thermometric, temperature regulating device。Carbon fiber bundle enters cavity from entering to restraint mouth, respectively with fixing add tube surface contact, triboabsorption heat, drawn again, conduct heat with roller surface Structure deformation, fiber is heated, aoxidizes by the hot-air in cavity or other oxidizing gas equally in the process, generate some active groups, such as hydroxyl and carboxyl。Thus playing the effect improving carbon fiber with the resin boundary surface compatibility。
The invention has the beneficial effects as follows:
The present invention adopts continuous carbon fibre directly to contact with electrothermal tube, roller metal surface, and heat conduction efficiency is high, has rate of heat transfer fast, can operate continuously, the advantage that method is simple, easy。
Accompanying drawing explanation
Fig. 1 is carbon fiber surface apparatus for continuous treatment structural representation front view；
Fig. 2 is carbon fiber surface apparatus for continuous treatment structural representation top view。
Labelling in figure: 1: valve；2: yarn inlet；3: oxidation unit inner chamber；4: add heat pipe；5: observation panel；6: roller；7: cavity wall；8: add hot jacket；9: yarn outlet；10: carbon fiber yarn；11: bearing；12: scattered carbon fiber yarn；13: add heat pipe thread segment；14: electric wire: 15: pressure regulator；16: on and off switch；17: power supply；18: power supply, thermometric, temperature regulating device。
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation。These accompanying drawings are the schematic diagram of simplification, and the basic structure of the present invention is only described in a schematic way, and therefore it only shows the composition relevant with the present invention。
As shown in Figure 1 and 2, the present invention relates to a kind of carbon fiber surface apparatus for continuous treatment, including oxidation unit inner chamber 3, oxidation unit inner chamber 3 contains valve 1, yarn inlet 2, adds heat pipe 4, roller 6, bearing 11, yarn outlet 9；Include heating set 8, electric wire 14, pressure regulator 15, on and off switch 16, power supply 17 and heating outside body of wall and apply mechanically power supply, thermometric, temperature regulating device 18。
The valve 1 of this carbon fiber surface apparatus for continuous treatment is for introduction of oxidative gas；Yarn inlet 2 is provided with 9, and carbon fiber yarn thus mouth enters oxidation unit inner chamber 3；Oxidation unit inner chamber 3 includes 4 and adds heat pipe 4, is in staggered distribution up and down, regulates voltage by pressure regulator, and then plays adjustment, controls the effect of heating tube temperature。Observation panel 5 is for observing the deployment conditions of fibre bundle。20 rollers 6 free to rotate, for saving space, are fully contacted with roller surface, and the distance between two rollers is equal to roller external diameter。Roller about 6 is in staggered distribution, and two ends support by heat-resisting sealed bearing, to meet requirement free to rotate。Carbon fiber yarn is through the multiple hot gas adding heat pipe 4, roller 6 and oxidation unit inner chamber 3 heating and is oxidizing to yarn outlet 9 and leaves surface apparatus for continuous treatment。The temperature adding hot jacket 8 is controlled by power supply, thermometric, temperature regulating device 18。
The using method of this carbon fiber surface apparatus for continuous treatment, comprises the following steps:
1) carbon fiber yarn 10 is pressed shown in Fig. 1, penetrate from yarn inlet 2, add heat pipe 2 upper surface from first and pass through, walk around from second lower section adding heat pipe again, again to the 3rd top adding heat pipe, all in oxidation unit inner chamber 3 add heat pipe 2 and roller 6 is walked around successively, finally draw from yarn outlet 9；
2) heat pipe will be added and inject oxidation unit inner chamber 3, and be fixed on cavity wall 7 adding heat pipe thread segment 13；
3) adding heat pipe 4 electric wire 14 to be connected with output voltage regulator, input connects with 220V power supply 17, as shown in Figure 2；
4) hot jacket will be added and be fixed on chamber outer wall, be controlled by external power supply, thermometric, temperature regulating device 18；
5) pressure regulator 15 is adjusted to required voltage, turns on the power switch 16 energisings；
6) external oxidizing gas flexible pipe is fixed on valve 1 and connects；
7), when heat pipe 4 to be added, oxidation unit inner chamber 3 temperature reach temperature required, traction yarn outlet scattered carbon fiber yarn 12 out can carry out the surface of carbon fiber and process continuously。
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not necessarily departing from this invention technological thought, can carry out various change and amendment completely。The technical scope of this invention is not limited to the content in description, it is necessary to determine its technical scope according to right。
Claims (10)
1. a carbon fiber surface oxidation unit, including oxidation unit inner chamber (3), it is characterized in that: described carbon fiber yarn (10) enters in oxidation unit inner chamber (3) through yarn inlet (2), fixing multiple heat pipe (4) surface is added through what be in staggered distribution up and down, it is fully contacted with multiple rollers (6) surface free to rotate being in staggered distribution up and down again, described carbon fiber yarn (10) leaves oxidation unit inner chamber (3) through yarn outlet (9), described yarn inlet (2) be connected with valve (1), gaseous oxidant is passed in oxidation unit inner chamber (3) by valve (1)。
2. a kind of carbon fiber surface oxidation unit according to claim 1, it is characterised in that: the described heat pipe (4) that adds is to regulate voltage by pressure regulator (15), and then plays adjustment, controls the effect of heating tube temperature。
3. a kind of carbon fiber surface oxidation unit according to claim 1, it is characterized in that: the described head adding heat pipe (4) inserts in the hole of oxidation unit inner chamber (3) header board, afterbody is fixed in the screwed hole of oxidation unit inner chamber (3) back plate by threaded portion so that it is be fixed in oxidation unit inner chamber (3)。
4. a kind of carbon fiber surface oxidation unit according to claim 1, it is characterized in that: the described fixed position adding heat pipe (4) is in staggered distribution up and down, the upper surface that carbon fiber yarn (10) adds heat pipe (4) through top leads the lower surface adding heat pipe (4) to bottom, is fully contacted with each roller (6) upper and lower surface successively。
5. a kind of carbon fiber surface oxidation unit according to claim 1, it is characterised in that: described heat pipe (4) quantity that adds is 2～10。
6. a kind of carbon fiber surface oxidation unit according to claim 1, it is characterised in that: described heat pipe (4) temperature that adds is 350～450 DEG C。
7. a kind of carbon fiber surface oxidation unit according to claim 1, it is characterised in that: described roller (6) two ends support by heat-resisting sealed bearing, to meet requirement free to rotate。
8. a kind of carbon fiber surface oxidation unit according to claim 1, it is characterised in that: described roller (6) quantity is 5～40。
9. a kind of carbon fiber surface oxidation unit according to claim 1, it is characterised in that: described oxidation unit inner chamber (3) temperature is 350～450 DEG C。
10. a kind of carbon fiber surface oxidation unit according to claim 1, it is characterised in that: the quantity of described yarn inlet (2) is 1～600。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410685120.XA CN105696304A (en) | 2014-11-25 | 2014-11-25 | Carbon fiber surface continuous treatment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410685120.XA CN105696304A (en) | 2014-11-25 | 2014-11-25 | Carbon fiber surface continuous treatment apparatus |
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| CN105696304A true CN105696304A (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410685120.XA Pending CN105696304A (en) | 2014-11-25 | 2014-11-25 | Carbon fiber surface continuous treatment apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107268268A (en) * | 2017-08-03 | 2017-10-20 | 浙江精功碳纤维有限公司 | Surface treatment method and device in a kind of PAN base carbon fibres production |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0057492A2 (en) * | 1981-01-05 | 1982-08-11 | BASF Aktiengesellschaft | Process for the surface modification of carbon fibres |
| CN1032042A (en) * | 1986-12-25 | 1989-03-29 | 中国科学院山西煤炭化学研究所 | Surface treatment of carbon fibers processing method and equipment thereof |
| CN1082131A (en) * | 1992-08-11 | 1994-02-16 | 中国科学院山西煤炭化学研究所 | SURFACE TREATMENT OF CARBON FIBER method and device |
| CN103540982A (en) * | 2013-09-22 | 2014-01-29 | 广州金发碳纤维新材料发展有限公司 | Carbon fiber surface treatment equipment and surface treatment method as well as applications |
| CN103938429A (en) * | 2014-04-28 | 2014-07-23 | 华南理工大学 | Corona discharge based carbon fiber surface treatment device and method |
| CN204298683U (en) * | 2014-11-25 | 2015-04-29 | 句容市百事特复合材料有限公司 | A kind of carbon fiber surface apparatus for continous treatment |
-
2014
- 2014-11-25 CN CN201410685120.XA patent/CN105696304A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0057492A2 (en) * | 1981-01-05 | 1982-08-11 | BASF Aktiengesellschaft | Process for the surface modification of carbon fibres |
| CN1032042A (en) * | 1986-12-25 | 1989-03-29 | 中国科学院山西煤炭化学研究所 | Surface treatment of carbon fibers processing method and equipment thereof |
| CN1082131A (en) * | 1992-08-11 | 1994-02-16 | 中国科学院山西煤炭化学研究所 | SURFACE TREATMENT OF CARBON FIBER method and device |
| CN103540982A (en) * | 2013-09-22 | 2014-01-29 | 广州金发碳纤维新材料发展有限公司 | Carbon fiber surface treatment equipment and surface treatment method as well as applications |
| CN103938429A (en) * | 2014-04-28 | 2014-07-23 | 华南理工大学 | Corona discharge based carbon fiber surface treatment device and method |
| CN204298683U (en) * | 2014-11-25 | 2015-04-29 | 句容市百事特复合材料有限公司 | A kind of carbon fiber surface apparatus for continous treatment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107268268A (en) * | 2017-08-03 | 2017-10-20 | 浙江精功碳纤维有限公司 | Surface treatment method and device in a kind of PAN base carbon fibres production |
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Application publication date: 20160622 |
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