CN108035031B - Heating type carbon fiber spreading device - Google Patents
Heating type carbon fiber spreading device Download PDFInfo
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- CN108035031B CN108035031B CN201810012321.1A CN201810012321A CN108035031B CN 108035031 B CN108035031 B CN 108035031B CN 201810012321 A CN201810012321 A CN 201810012321A CN 108035031 B CN108035031 B CN 108035031B
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- carbon fiber
- yarn
- heating
- fiber
- spreading
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
Abstract
The application belongs to the technical field of carbon fibers, and particularly relates to a heating type carbon fiber spreading device which comprises a yarn barrel, a heating device, a pressing structure and a spreading structure; the yarn cylinder is used for storing and unreeling the carbon fiber yarns, the pressing structure is used for applying pressure to the carbon fiber yarns wound on the periphery of the yarn cylinder to enable the carbon fiber yarns to be attached to the surface of the yarn cylinder, and the heating device is arranged between the yarn cylinder and the fiber spreading structure and used for heating the carbon fibers before fiber spreading. According to the technical scheme, through the arrangement of the pressing structure and the heating structure, the fiber is kept flat when released, a certain preheating temperature can be obtained, and after the fiber is heated by the heating device, the surface sizing agent of the fiber can be effectively removed, so that the fiber spreading effect is ensured.
Description
Technical Field
The application belongs to the technical field of carbon fibers, and particularly relates to a heating type carbon fiber spreading device.
Background
The carbon fiber composite material has the performance characteristics of light weight and excellent strength, is widely applied to the fields of aerospace, wind energy blades, deep sea oil fields, infrastructure, automobile industry, leisure sports goods and the like, and in the production process of carbon fiber fabrics, the thinner the fabrics are, the smaller the unit area mass is, the smaller the deviation of physical properties is, and the excellent mechanical properties are, so that carbon fiber bundles generally need to be subjected to fiber spreading procedures to meet the requirements. At present, the fiber bundles are generally stretched by rollers, and the fiber stretching is realized by a pressing mode, however, the widening effect realized by the mode is poor, and the problem of uneven fibers is easy to generate because of the existence of the slurry on the surface of the fibers.
In view of the above-mentioned problems, the present inventors have actively studied and innovated based on the practical experience and expertise which are rich for many years in such product engineering applications, and in combination with the application of the theory, in order to create a heating type carbon fiber stretching device, which is more practical.
Disclosure of Invention
The heating type carbon fiber spreading device provided by the application can ensure the spreading effect of carbon fibers, so that the surfaces of the fibers are smoother and have higher practical value.
The technical scheme for solving the technical problems is as follows:
a heating type carbon fiber spreading device comprises a yarn barrel, a heating device, a pressing structure and a spreading structure;
the yarn cylinder is used for storing and unreeling the carbon fiber yarns, the pressing structure is used for applying pressure to the carbon fiber yarns wound on the periphery of the yarn cylinder to enable the carbon fiber yarns to be attached to the surface of the yarn cylinder, and the heating device is arranged between the yarn cylinder and the fiber spreading structure and used for heating the carbon fibers before fiber spreading.
Further, the heating device comprises at least three cylindrical electrodes, the carbon fiber yarns sequentially pass through the surfaces of the electrodes to be transmitted, and the electric potential of each electrode in the carbon fiber transmission direction is in an increasing or decreasing trend.
Further, the increment or decrement is nonlinear.
Further, at least one of the electrodes is movably arranged, and the movably arranged electrode is not arranged at two ends of the carbon fiber in the transmission direction.
Further, the electrode surface is provided with a rolling body structure.
Further, the pressing structure is a cylindrical bellows structure, wherein the bellows structure comprises a cylindrical inner wall and an outer wall, the yarn drum is rotationally arranged in a mounting cavity surrounded by the inner wall, a ventilation cavity is formed between the inner wall and the outer wall, the mounting cavity is connected with the ventilation cavity through a ventilation opening, and the mounting cavity is connected with the outside of the bellows structure through an output port.
Further, the vent is a strip-shaped vent belt arranged along the length direction of the yarn barrel, and the strip-shaped vent belt is uniformly distributed along the circumferential direction of the yarn barrel.
Further, the air outlet direction of the strip-shaped ventilation belt is parallel to the radial direction of the yarn barrel.
Further, the air outlet end of the strip-shaped ventilation belt is of a gathering structure and is used for gathering the air.
After the technical scheme is adopted, the application has the following beneficial effects:
through the arrangement of the pressing structure, the fiber keeps flat when released, a certain preheating temperature can be obtained, after the fiber is heated by the heating device, the fiber surface sizing agent can be effectively removed, the fiber spreading effect is ensured, meanwhile, the fiber surface is pressed through the air column with a certain speed, the damage of the pressing structure to the fiber surface is avoided, and the surface quality of a product is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic diagram of a heating type carbon fiber stretching device according to the present application;
FIG. 2 is a schematic structural view of a pressing structure;
reference numerals: yarn cylinder 1, heating device 2, electrode 21, pressure structure 3, inner wall 31, outer wall 32, installation cavity 33, ventilation cavity 34, delivery outlet 35, fiber spreading structure 4, carbon fiber yarn 5.
Detailed Description
In order to make the technical solution of the present application better understood by those skilled in the art, the technical solution of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
As shown in fig. 1-2, a heating type carbon fiber spreading device comprises a yarn barrel 1, a heating device 2, a pressing structure 3 and a spreading structure 4; the yarn cylinder 1 is used for storing and unreeling the carbon fiber yarns 5, the pressing structure 3 is used for applying pressure for enabling the carbon fiber yarns 5 reeled on the periphery of the yarn cylinder 1 to be attached to the surface of the yarn cylinder 1, the heating device 2 is arranged between the yarn cylinder 1 and the fiber unfolding structure 4 and is used for heating the carbon fibers before fiber unfolding, and the purpose of heating is mainly to remove sizing agents existing on the surface of the fibers.
The heating device 2 includes three cylindrical electrodes 21 disposed in parallel, the carbon fiber yarn 5 sequentially passes through the surfaces of the electrodes 21 to be transmitted, the electric potential of each electrode 21 in the transmission direction of the carbon fiber becomes gradually decreasing trend and gradually decreasing non-linear, the non-linear arrangement herein reduces the difficulty of heating control, the length of the carbon fiber between the two electrodes 21 generates current due to the existence of the electric potential difference, and the carbon fiber bundle is conductive fiber, so that the electric potential difference or voltage between the conductive combination electrodes guides the current to pass through the carbon fiber, the current causes loss of electric energy in the carbon fiber again, thereby being converted into heat to meet the heating temperature required by the carbon fiber bundle, the slurry on the fiber surface is removed in the heating process, thereby being more beneficial to improving the fiber spreading effect, wherein the fiber is only required to be gradually heated in the fiber heating process, and the final heating temperature is required to be controlled in a proper range, the temperature required to be reached after passing through each electrode 21 in the heating process is not required to be controlled in detail, thereby reducing the control difficulty of the control system.
One electrode 21 positioned in the middle of the three electrodes 21 is movably arranged, and aims to play a role in stretching the carbon fiber bundles, a certain activity allowance is arranged on the rotating shaft of the electrode 21 in the direction perpendicular to the rotating shaft, the electrode 21 is elastically moved in the activity space through an elastic structure, and the change of the tension of the carbon fibers can be relieved through elastic potential energy stored by the elastic structure when the tension of the fibers is too large or too small. The electrodes 21 at the front end and the rear end can effectively ensure the input and output angles of the carbon fiber bundles before and after heating, namely, the electrodes can guide the carbon fibers besides heating the carbon fibers. In order to reduce the influence of the surface of the electrode 21 on the surface quality of the carbon fiber, the surface of the electrode 21 is provided with a rolling body structure, so that the rolling body can realize the purpose of electric conduction, and simultaneously, the influence on the surface of the fiber due to friction force can be reduced in the passive rotation process.
The pressure structure 3 is a cylindrical bellows structure, wherein the bellows structure comprises a cylindrical inner wall 31 and an outer wall 32, the yarn drum 1 is rotatably arranged in a mounting cavity 33 surrounded by the inner wall 31, a ventilation cavity 34 is formed between the inner wall 31 and the outer wall 32, the mounting cavity 33 is connected with the ventilation cavity 34 through a ventilation opening, and the mounting cavity 33 is connected with the outside of the bellows structure through an output port 35. The yarn around the yarn cylinder 1 is pressed in a mode of increasing the pressure in the cavity, so that the yarn and the surface of the yarn cylinder 1 can be attached more flexibly compared with the traditional mode of pressing the yarn through the pressing roller, the pressure is evenly dispersed and is not in contact with the yarn, and the surface quality of a final product is guaranteed.
The vent is a strip-shaped vent belt arranged along the length direction of the yarn barrel 1, the strip-shaped vent belt is uniformly distributed along the circumferential direction of the yarn barrel 1, and the air outlet direction of the strip-shaped vent belt is parallel to the radial direction of the yarn barrel 1, as shown by an arrow in fig. 2. The arrangement of the strip-shaped structure concentrates the stress of the yarns, so that the stress points are uniformly dispersed according to the circumferential direction, the breadth of the stress points is ensured, the force application concentration of the individual stress points is improved, the pressure application effect is effectively ensured, and in order to further control the air outlet direction, the end parts of the strip-shaped ventilation belt are of a gathering type structure, and the air outlet speed is effectively improved through the gathering type structure.
When the heating type carbon fiber spreading device works, the yarn is preheated by hot air with a certain temperature which is discharged by the pressing structure 3, and meanwhile, the yarn is fixed by strip-shaped air belts which are uniformly distributed along the surface of the whole yarn cylinder 1, so that the ordered unreeling of the yarn is ensured, and the heating effect on the carbon fiber can be effectively controlled by controlling the potential difference between the electrodes 21.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (1)
1. The heating type carbon fiber spreading device is characterized by comprising a yarn barrel (1), a heating device (2), a pressing structure (3) and a spreading structure (4);
the yarn cylinder (1) is used for storing and unreeling carbon fiber yarns (5), the pressing structure (3) is used for applying pressure to the carbon fiber yarns (5) which are wound on the periphery of the yarn cylinder (1) and are attached to the surface of the yarn cylinder (1), and the heating device (2) is arranged between the yarn cylinder (1) and the fiber spreading structure (4) and is used for heating carbon fibers before fiber spreading;
the pressing structure (3) is a cylindrical bellows structure, wherein the bellows structure comprises a cylindrical inner wall (31) and an outer wall (32), the yarn drum (1) is rotatably arranged in a mounting cavity (33) surrounded by the inner wall (31), a ventilation cavity (34) is formed between the inner wall (31) and the outer wall (32), the mounting cavity (33) is connected with the ventilation cavity (34) through a ventilation opening, and the mounting cavity (33) is connected with the outside of the bellows structure through an output port (35);
the ventilation openings are strip-shaped ventilation belts arranged along the length direction of the yarn barrel (1), and the strip-shaped ventilation belts are uniformly distributed along the circumferential direction of the yarn barrel (1);
the air outlet direction of the strip-shaped ventilation belt is parallel to the radial direction of the yarn barrel (1);
the air outlet end of the strip-shaped ventilation belt is of a gathering structure and is used for gathering the air;
the heating device (2) comprises at least three cylindrical electrodes (21) which are arranged in parallel, the carbon fiber yarns (5) sequentially pass through the surfaces of the electrodes (21) to be transmitted, and the potential of each electrode (21) in the carbon fiber transmission direction is in an increasing or decreasing trend;
the increment or decrement is nonlinear;
at least one of the electrodes (21) is movably arranged, and the movably arranged electrode (21) is not arranged at two ends of the carbon fiber in the transmission direction;
the surface of the electrode (21) is provided with a rolling body structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012321.1A CN108035031B (en) | 2018-01-05 | 2018-01-05 | Heating type carbon fiber spreading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012321.1A CN108035031B (en) | 2018-01-05 | 2018-01-05 | Heating type carbon fiber spreading device |
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| Publication Number | Publication Date |
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| CN108035031A CN108035031A (en) | 2018-05-15 |
| CN108035031B true CN108035031B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810012321.1A Active CN108035031B (en) | 2018-01-05 | 2018-01-05 | Heating type carbon fiber spreading device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109230870B (en) * | 2018-10-12 | 2023-07-07 | 常州市新创智能科技有限公司 | Grouping moment control device and method for carbon fiber spreading creel |
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| CN1766196A (en) * | 2004-08-31 | 2006-05-03 | 李氏环球贸易有限公司 | Fiber-expanding machine |
| CN1958895A (en) * | 2005-11-04 | 2007-05-09 | 卡尔.迈耶.马里莫纺织机械制造有限责任公司 | Device and method for spreading a carbon fibres tow |
| CN101166857A (en) * | 2005-03-03 | 2008-04-23 | 阿斯特罗姆公司 | Process for producing nonwoven fabrics particularly soft, resistant and with a valuable appearance |
| CN203411674U (en) * | 2013-08-31 | 2014-01-29 | 连云港鹰游纺机有限责任公司 | Air handling unit for carbon fiber precursors |
| CN104178847A (en) * | 2014-07-29 | 2014-12-03 | 于星杰 | Carbon fiber bundle expansion device |
| CN104711769A (en) * | 2013-12-15 | 2015-06-17 | 无锡市二泉针织厂 | Net drying device of knitting machine |
| CN206352175U (en) * | 2016-11-22 | 2017-07-25 | 江苏新豪威特种化纤有限公司 | A kind of chemical-fibres filaments steam heater of waste gas circulation |
| CN207699760U (en) * | 2018-01-05 | 2018-08-07 | 常州市新创智能科技有限公司 | A kind of hot type carbon fibre stretching device |
-
2018
- 2018-01-05 CN CN201810012321.1A patent/CN108035031B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1766196A (en) * | 2004-08-31 | 2006-05-03 | 李氏环球贸易有限公司 | Fiber-expanding machine |
| CN101166857A (en) * | 2005-03-03 | 2008-04-23 | 阿斯特罗姆公司 | Process for producing nonwoven fabrics particularly soft, resistant and with a valuable appearance |
| CN1958895A (en) * | 2005-11-04 | 2007-05-09 | 卡尔.迈耶.马里莫纺织机械制造有限责任公司 | Device and method for spreading a carbon fibres tow |
| CN203411674U (en) * | 2013-08-31 | 2014-01-29 | 连云港鹰游纺机有限责任公司 | Air handling unit for carbon fiber precursors |
| CN104711769A (en) * | 2013-12-15 | 2015-06-17 | 无锡市二泉针织厂 | Net drying device of knitting machine |
| CN104178847A (en) * | 2014-07-29 | 2014-12-03 | 于星杰 | Carbon fiber bundle expansion device |
| CN206352175U (en) * | 2016-11-22 | 2017-07-25 | 江苏新豪威特种化纤有限公司 | A kind of chemical-fibres filaments steam heater of waste gas circulation |
| CN207699760U (en) * | 2018-01-05 | 2018-08-07 | 常州市新创智能科技有限公司 | A kind of hot type carbon fibre stretching device |
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