CN112176459B - Carbon fiber surface treatment device - Google Patents
Carbon fiber surface treatment device Download PDFInfo
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- CN112176459B CN112176459B CN202011040296.1A CN202011040296A CN112176459B CN 112176459 B CN112176459 B CN 112176459B CN 202011040296 A CN202011040296 A CN 202011040296A CN 112176459 B CN112176459 B CN 112176459B
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- surface treatment
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
- D01F11/10—Chemical after-treatment of artificial filaments or the like during manufacture of carbon
- D01F11/16—Chemical after-treatment of artificial filaments or the like during manufacture of carbon by physicochemical methods
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Inorganic Fibers (AREA)
Abstract
The invention provides a carbon fiber surface treatment device, which comprises: electrolytic bath, traction unit, cover plate, lifting unit, graphite electrolytic plate. Wherein, the electrolytic bath is arranged obliquely, a liquid inlet is arranged at the high-level end, a groove is arranged at the low-level end, a liquid outlet is arranged in the groove, and a filtering unit is arranged at the liquid inlet end of the liquid outlet; the traction unit is arranged on two sides of the electrolytic bath and comprises two electrified rollers and two insulating rollers, and the electrified rollers are connected with a cathode power supply; the cover plate is arranged above the electrolytic bath and is used for sealing the electrolytic bath during surface treatment; the lifting unit is used for driving the cover plate to lift; the graphite electrolytic plate is arranged at the bottom of the electrolytic tank and is used for being connected with an anode power supply. Compared with the prior art, the electrolytic cell is obliquely arranged, the groove is formed in the lower position, and when water circulation is formed, carbon powder and broken filaments can be immersed in the groove, so that the surface treatment effect is ensured. And because the filter unit, carbon powder and broken filaments can not enter the pipeline system to cause the blockage of the pipeline system.
Description
Technical Field
The invention relates to the field of surface treatment in a polyacrylonitrile precursor carbonization process, and particularly relates to a carbon fiber surface treatment device.
Background
The carbon fiber is a novel material with 93 percent of carbon content prepared by high-temperature carbonization, and in the process of protofilament carbonization, if surface treatment is not carried out, the surface activity of the carbon fiber is reduced, the wettability of the carbon fiber and resin is deteriorated, the interlaminar shear strength of the carbon fiber composite material is reduced, and the design requirement cannot be met.
Chinese patent publication No.: CN205529094U discloses a carbon fiber surface treatment device, which provides impact force to the fiber bundle before and/or after entering the electrolyte by arranging a spreading unit to spread and disperse the carbon fiber filaments gathered into bundles, thereby increasing the contact area between the fiber bundle and the electrolyte.
In the technical scheme, the carbon fiber yarns can be dispersed and tiled through impact force, but the carbon powder and the broken yarns can be increased along with the impact, so that the electrolytic effect can be influenced while the pipeline system is blocked.
In view of the above-mentioned drawbacks, the applicant has actively studied to create a carbon fiber surface treatment apparatus which is more valuable.
Disclosure of Invention
In view of this, the present invention provides a carbon fiber surface treatment apparatus, which aims to solve the technical problem in the prior art that carbon powder and broken filaments after carbon fiber surface electrolytic treatment affect the surface treatment effect.
The invention provides a carbon fiber surface treatment device, which comprises: the device comprises an electrolytic bath, a traction unit, a cover plate, a lifting unit and a graphite electrolytic plate;
the electrolytic cell is obliquely arranged, a liquid inlet is formed in the high-position end, a groove is formed in the low-position end, a liquid outlet is formed in the groove, and a filtering unit is arranged at the liquid inlet end of the liquid outlet;
the traction unit is arranged on two sides of the electrolytic cell and comprises two electrified rollers and two insulating rollers, and the electrified rollers are connected with a cathode power supply;
the cover plate is arranged above the electrolytic cell and is used for sealing the electrolytic cell during surface treatment;
the lifting unit is used for driving the cover plate to lift;
the graphite electrolytic plate is arranged at the bottom of the electrolytic tank and is used for being connected with an anode power supply.
Further, the lifting unit comprises a primary traction unit and a secondary traction unit;
the primary traction device comprises a portal frame and a first cylinder, wherein the first cylinder is arranged at the bottom end of the portal frame and is used for driving the portal frame to lift;
the second-stage traction device comprises a second cylinder, the second cylinder is vertically arranged on the portal frame, and the telescopic end of the second cylinder is connected with the cover plate.
The device further comprises an extension unit arranged on the outer side of one of the charging rollers, wherein the extension unit comprises a carrier roller, a bearing seat, a base and a screw rod assembly;
the base at least comprises an obliquely arranged supporting surface;
the bearing seat is connected with the supporting surface in a sliding manner through a guide rail;
the guide rail is arranged along the inclined direction of the supporting surface;
the carrier roller is arranged in the bearing seat;
the screw rod assembly is used for driving the bearing seat to slide along the guide rail.
Furthermore, a guide plate is arranged on a liquid inlet of the electrolytic cell, a plurality of flow channels are arranged on the guide plate, and the flow channels are obliquely arranged.
Furthermore, the two ends of the electrified roller and the two ends of the insulating roller are provided with horn mouths for preventing the carbon fiber yarns from being separated from the winding shaft.
Further, the charging roller and the insulating roller are both driving rollers.
Compared with the prior art, the carbon fiber surface treatment device has the advantages that the electrolytic bath is obliquely arranged, the groove is arranged at the lower position, and when water circulation is formed, carbon powder and broken filaments are immersed in the groove, so that the surface treatment effect is ensured. And because the filter unit, carbon powder and broken filaments can not enter the pipeline system to cause the blockage of the pipeline system.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic overall structure diagram of a carbon fiber surface treatment device provided in an embodiment of the present invention;
FIG. 2 is a schematic structural view of an electrolytic cell according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a baffle provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a lifting unit according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an extension unit according to an embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating a flare shape according to an embodiment of the present invention;
FIG. 7 is a routing diagram of a carbon fiber surface treatment provided by an embodiment of the present invention;
reference numerals: 1. an electrolytic cell; 11. a liquid inlet; 12. a groove; 121. a liquid outlet; 13. a filtration unit; 2. a traction unit; 21. a charging roller; 22. an insulating roller; 23. a bell mouth; 3. a cover plate; 4. a lifting unit; 41. primary traction; 411. a gantry; 412. a first cylinder; 42. secondary traction; 421. a second cylinder; 5. a graphite electrolytic plate; 6. an extension unit; 61. a carrier roller; 62. a bearing seat; 63. a base; 631. a support surface; 64. a screw assembly; 65. a guide rail; 7. a baffle; 71. and a flow passage.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 7, it can be seen that an embodiment of the present invention provides a carbon fiber surface treatment apparatus, including: electrolytic cell 1, traction unit 2, apron 3, lift unit 4, graphite electrolytic plate 5, wherein, electrolytic cell 1 slope sets up, and the high-order end is provided with inlet 11, and the low-order end is provided with recess 12, is provided with liquid outlet 121 in the recess 12, and the inlet end of liquid outlet 121 is provided with filter unit 13. The traction unit 2 is arranged at two sides of the electrolytic bath 1 and comprises two electrified rollers 21 and two insulating rollers 22, and the electrified rollers 21 are connected with a cathode power supply; the cover plate 3 is arranged above the electrolytic bath 1 and is used for sealing the electrolytic bath 1 during surface treatment; the lifting unit 4 is used for driving the cover plate 3 to lift; the graphite electrolytic plate 5 is arranged at the bottom of the electrolytic tank 1 and is used for being connected with an anode power supply, and after the power is on, the carbon fiber wires are used as a cathode, the graphite electrolytic plate 5 is used as an anode, and therefore the surface treatment is completed through electrolysis. Compared with the prior art, the carbon fiber surface treatment device has the advantages that the electrolytic bath is obliquely arranged, the groove is arranged at the lower position, and carbon powder and broken filaments are immersed in the groove under the action of gravity during electrolysis, so that the surface treatment effect is ensured. And because the filter unit, carbon powder and broken filaments can not enter the pipeline system to cause the blockage of the pipeline system.
As a preferred embodiment, the liquid inlet 11 and the liquid outlet 121 can be externally connected with pipelines, a water circulation is formed through a pump valve, the water circulation can be an internal circulation or an external circulation, carbon powder and broken filaments are further immersed into the groove 12 through the liquidity of the liquid, and impurities in the electrolyte are reduced.
Referring to fig. 4, it can be seen that the lifting unit 4 includes a primary traction 41 and a secondary traction 42. The primary traction device 41 comprises a portal frame 411 and a first air cylinder 412 which is arranged at the bottom end of the portal frame 411 and used for driving the portal frame 411 to ascend and descend; the second-stage traction device 42 comprises a second cylinder 421, the second cylinder 421 is vertically arranged on the portal frame 411, and the telescopic end of the second cylinder 421 is connected with the cover plate 3. Through setting up that the one-level pulls 41 and second grade and pulls 42, can fully raise apron 3 under the limited circumstances of factory building height, the clearance in the later stage of being convenient for, the maintenance of spare part.
Referring to fig. 4, it can be seen that the carbon fiber surface treatment apparatus according to the embodiment of the present invention further includes an extension unit 6 disposed outside one of the charging rollers 21, and in a specific installation process, the extension unit 6 is disposed at a side close to the high temperature carbonization furnace, and after the carbon fiber filaments exit from the high temperature carbonization furnace, the carbon fiber filaments are lifted by the extension unit 6 to give a certain tension to prevent a curling phenomenon. Specifically, the extension unit 6 includes a supporting roller 61, a bearing seat 62, a base 63, and a screw assembly 64, where the base 63 includes at least one support surface 631 arranged obliquely, the bearing seat 62 is slidably connected to the support surface 631 through a guide rail 65, the guide rail 65 is arranged along the oblique direction of the support surface 631, the supporting roller 61 is arranged in the bearing seat 62, and the screw assembly 64 is configured to drive the bearing seat 62 to slide along the guide rail 65.
Referring to fig. 4, it can be seen that the liquid inlet 11 of the electrolytic cell 1 is further provided with a flow guide plate 7, the flow guide plate 7 is provided with a plurality of flow channels 71, and the flow channels 71 are obliquely arranged. The electrolyte impacts the carbon fiber filaments through the flow channel 71, so that the carbon fibers are fully unfolded, the surface treatment effect is more sufficient, and meanwhile, the surface treatment effect is also increased due to the liquid fluidity.
As a preferred embodiment, the two ends of the charging roller 21 and the insulating roller 22 are provided with bell mouths 23 respectively, so as to prevent the carbon fiber filaments from being separated from the winding shaft and affecting the production of the whole production line.
As a preferred embodiment, the charging roller 21 and the insulating roller 22 are driving rollers to reduce the friction force explained by the carbon fiber filament points and reduce the generation of carbon powder and broken filaments.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. A carbon fiber surface treatment device characterized by comprising: the device comprises an electrolytic cell (1), a traction unit (2), a cover plate (3), a lifting unit (4) and a graphite electrolytic plate (5);
the electrolytic tank (1) is obliquely arranged, a liquid inlet (11) is formed in the high-position end, a groove (12) is formed in the low-position end, a liquid outlet (121) is formed in the groove (12), and a filtering unit (13) is arranged at the liquid inlet end of the liquid outlet (121);
the traction unit (2) is arranged on two sides of the electrolytic tank (1) and comprises two electrified rollers (21) and two insulating rollers (22), and the electrified rollers (21) are connected with a cathode power supply;
the cover plate (3) is arranged above the electrolytic tank (1) and is used for sealing the electrolytic tank (1) during surface treatment;
the lifting unit (4) is used for driving the cover plate (3) to lift;
the graphite electrolytic plate (5) is arranged at the bottom of the electrolytic tank (1) and is used for being connected with an anode power supply;
the device is characterized by further comprising an extension unit (6) arranged on the outer side of one of the charging rollers (21), wherein the extension unit (6) comprises a carrier roller (61), a bearing seat (62), a base (63) and a screw rod assembly (64);
the base (63) comprises at least one inclined supporting surface (631);
the bearing seat (62) is connected with the supporting surface (631) in a sliding way through a guide rail (65);
the guide rail (65) is arranged along the inclined direction of the supporting surface (631);
the carrier roller (61) is arranged in the bearing seat (62);
the screw rod assembly (64) is used for driving the bearing seat (62) to slide along a guide rail (65).
2. Carbon fiber surface treatment device according to claim 1, characterized in that the lifting unit (4) comprises a primary traction (41), a secondary traction (42);
the primary traction device (41) comprises a portal frame (411) and a first air cylinder (412) arranged at the bottom end of the portal frame (411) and used for driving the portal frame (411) to lift;
the two-stage traction device (42) comprises a second air cylinder (421), the second air cylinder (421) is vertically arranged on the portal frame (411), and the telescopic end of the second air cylinder is connected with the cover plate (3).
3. The carbon fiber surface treatment device according to claim 1, wherein a guide plate (7) is further arranged on the liquid inlet (11) of the electrolytic tank (1), a plurality of flow channels (71) are arranged on the guide plate (7), and the flow channels (71) are obliquely arranged.
4. The carbon fiber surface treatment device according to claim 1, wherein both ends of the charging roller (21) and the insulating roller (22) are provided with bell mouths (23) for preventing the carbon fiber filaments from being drawn off from the winding shaft.
5. The carbon fiber surface treatment apparatus according to claim 4, wherein the charging roller (21) and the insulating roller (22) are both driving rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011040296.1A CN112176459B (en) | 2020-09-28 | 2020-09-28 | Carbon fiber surface treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011040296.1A CN112176459B (en) | 2020-09-28 | 2020-09-28 | Carbon fiber surface treatment device |
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| Publication Number | Publication Date |
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| CN112176459A CN112176459A (en) | 2021-01-05 |
| CN112176459B true CN112176459B (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011040296.1A Active CN112176459B (en) | 2020-09-28 | 2020-09-28 | Carbon fiber surface treatment device |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014923A (en) * | 2012-07-03 | 2013-04-03 | 镇江奥立特机械制造有限公司 | Carbon fiber surface treatment machine |
| CN103060849B (en) * | 2013-01-22 | 2015-06-03 | 中南大学 | Upper part seal structure of aluminium electrolytic tank |
| CN103498173B (en) * | 2013-09-21 | 2019-01-25 | 高伟 | The dedicated mulch stop gauge of aluminium cell |
| CN203513814U (en) * | 2013-09-22 | 2014-04-02 | 广州金发碳纤维新材料发展有限公司 | Carbon fiber surface treatment device |
| CN104178790A (en) * | 2014-08-19 | 2014-12-03 | 中复神鹰碳纤维有限责任公司 | Carbon fiber surface treatment method and treatment device |
| CN204125552U (en) * | 2014-09-30 | 2015-01-28 | 苏州芯航元电子科技有限公司 | There is the electronics customizations grooving of flow field parameter regulatory function |
| CN205529094U (en) * | 2016-04-19 | 2016-08-31 | 郑州四维特种材料有限责任公司 | Surface of carbon fiber processing apparatus |
| CN208532950U (en) * | 2018-08-07 | 2019-02-22 | 青海铜业有限责任公司 | A kind of electrolytic cell |
| CN210561399U (en) * | 2019-07-02 | 2020-05-19 | 郑州四维特种材料有限责任公司 | Carbon fiber surface electrolysis device |
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Address after: 5 Jinshan Road, Xixiashu Town, Xinbei District, Changzhou City, Jiangsu Province Applicant after: Changzhou Xinchuang Intelligent Technology Co.,Ltd. Address before: 213135 No.5 Jinshan Road, Xiashu Town, Xinbei District, Changzhou City, Jiangsu Province Applicant before: Changzhou Xinchuang Intelligent Technology Co.,Ltd. |
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