CN107881617B - Automatic adjustment device for wrap angle of yarn fiber spreading and control method thereof - Google Patents
Automatic adjustment device for wrap angle of yarn fiber spreading and control method thereof Download PDFInfo
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- CN107881617B CN107881617B CN201711332301.4A CN201711332301A CN107881617B CN 107881617 B CN107881617 B CN 107881617B CN 201711332301 A CN201711332301 A CN 201711332301A CN 107881617 B CN107881617 B CN 107881617B
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- press roller
- height
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- lower press
- yarn
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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
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/18—Separating or spreading
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention belongs to the technical field of textile equipment, and particularly relates to an automatic yarn fiber spreading wrap angle adjusting device which comprises an upper press roll combination, a lower press roll combination and an elastic supporting structure; the lower press roller combination is fixedly arranged on the elastic supporting structure, and the upper press roller combination is movably arranged up and down relative to the lower press roller combination; the upper press roll combination and the lower press roll combination comprise a plurality of press rolls which are horizontally arranged in parallel, the distance between every two adjacent press rolls is the same, and the press rolls in the upper press roll combination and the lower press roll combination are arranged in a staggered manner in the yarn conveying direction; the elastic supporting structure comprises an elastic section, a height control section and a height detection device, wherein the elastic section is used for buffering the pressure of the upper press roller combination on the yarn, the height control section is used for adjusting the bottom height of the elastic section, and the height detection device is used for detecting the height change of the installation position of the press roller. The technical scheme of the invention can monitor and adjust the pressure of the fiber in real time in the fiber stretching process, thereby effectively ensuring the fiber stretching quality.
Description
Technical Field
The invention belongs to the technical field of textile equipment, and particularly relates to an automatic adjustment device for a yarn spreading wrap angle and a control method thereof.
Background
Carbon fiber is an inorganic nonmetallic material with excellent performance, and is widely applied due to the advantages of good insulativity, strong heat resistance, good corrosion resistance, high mechanical strength and the like. In the prior art, in the processing of warp knitting thermosetting materials and warp knitting thermoplastic materials, fiber bundles are required to be spread into single filaments, so that resin is convenient to soak into the fibers, and dry filaments or bubbles are prevented from occurring in a formed plate, thereby influencing the quality of the plate.
The carbon fiber in the conveying is pressed through the running roller type structure that the present fiber spreading device set up crisscross from top to bottom, make its paver by a plurality of monofilaments side by side and set up the planar structure that forms through pressure, however in actual production process, because pressure can't control and feedback, in case the high back of determining of running roller from top to bottom, can't carry out real-time regulation at the in-process that works to the pressure that the yarn receives, consequently often cause the condition that the exhibition fine is not in place, simultaneously because high fixity for the exhibition fine in-process is easy to cause the damage to the yarn because of pressure is too big or the speed of exerting pressure is too fast, consequently very big influence product quality.
In view of the defects of the existing fiber spreading device, the designer based on the rich practical experience and expertise in the engineering application of the product for many years and the application of the theory is matched with the research and innovation to create an automatic adjusting device for the wrap angle of the yarn spreading and the control method thereof, so that the device has more practicability.
Disclosure of Invention
In order to solve the technical problems, the invention provides an automatic adjustment device for the wrap angle of a yarn fiber spreading and a control method thereof, which can monitor and adjust the pressure of the fiber spreading in real time in the fiber spreading process, thereby effectively ensuring the quality of the fiber spreading.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an automatic adjustment device for a yarn spreading wrap angle, comprising: an upper press roll combination, a lower press roll combination and an elastic supporting structure;
the lower press roller combination is fixedly arranged on the elastic supporting structure, and the upper press roller combination is movably arranged up and down relative to the lower press roller combination and can be kept at any fixed height in the moving range for working;
the upper press roller combination and the lower press roller combination comprise a plurality of press rollers which are horizontally arranged in parallel, the spacing between two adjacent press rollers in the upper press roller combination and the lower press roller combination is the same, and the press rollers in the upper press roller combination and the lower press roller combination are arranged in a staggered manner in the yarn conveying direction;
the elastic supporting structure comprises an elastic section, a height control section and a height detection device, wherein the elastic section is fixedly connected with the installation position of the press roller and used for buffering the pressure of the upper press roller combination on the yarn, the height control section is arranged at the bottom of the elastic section and used for adjusting the bottom height of the elastic section, and the height detection device is used for detecting the height change of the installation position of the press roller.
Further, the upper press roller assembly is connected with a first screw rod assembly, the first screw rod assembly is used for driving the upper press roller assembly to move up and down, and the first screw rod assembly is connected with a first motor.
Further, the elastic section is a spring structure.
Further, the height control section comprises a second screw rod assembly, the upper end part of the screw rod of the second screw rod assembly and the bottom of the installation part of the press roller are arranged in a vertically sliding mode, the spring structure is arranged between the bottom of the installation part and a screw rod nut of the second screw rod assembly, and the second screw rod assembly is connected with the second motor.
Further, the control method of the automatic yarn spreading wrap angle adjusting device is to judge the pressure exerted by the yarns between the upper press roll combination and the lower press roll combination through the height change of the lower press roll combination.
Further, the height of the lower press roller combination is adjusted through the height control section, so that the height change of the lower press roller combination caused by the gravity of the yarns is overcome.
Further, the control method of the automatic yarn spreading wrap angle adjusting device specifically comprises the following steps:
A. before the yarns are placed on the surface of the lower press roller combination, determining the initial height of the lower press roller combination at the moment as a height judgment starting point;
B. paving yarns on the surface of a lower press roller combination, and detecting the sinking height of the lower press roller combination due to the gravity of the yarns;
C. c, adjusting the height of the lower press roll combination through a height control section to compensate, and lifting the lower press roll combination to the height in the step A;
D. and regulating the upper press roller combination to descend so as to squeeze yarns, and controlling the descending height of the upper press roller combination through the height change of the lower press roller combination.
The invention has the following beneficial effects:
according to the technical scheme, the original pressing mode of the yarn is changed, the support of the lower press roller combination is elasticized, so that damage to the yarn caused by overlarge and too fast applied pressure is avoided, and meanwhile, the pressure can be effectively detected and controlled by taking the height change of the lower press roller combination as the basis of the height adjustment of the upper press roller combination, so that the fiber spreading quality is effectively 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 these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a device for automatically adjusting wrap angle of a yarn spreading fiber in the present invention;
reference numerals in the drawings: the device comprises an upper press roller combination 1, a lower press roller combination 2, an elastic supporting structure 3, a press roller 4, an elastic section 5 and a height control section 6.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, an automatic adjustment device for a yarn spreading wrap angle includes: an upper press roller combination 1, a lower press roller combination 2 and an elastic supporting structure 3; the lower press roller assembly 2 is fixedly arranged on the elastic supporting structure 3, and the upper press roller assembly 1 is movably arranged up and down relative to the lower press roller assembly 2 and can be kept at any fixed height in the moving range for working; the upper press roller combination 1 and the lower press roller combination 2 comprise a plurality of press rollers 4 which are horizontally arranged in parallel, the distances between two adjacent press rollers 4 in the upper press roller combination 1 and the lower press roller combination 2 are the same, the press rollers 4 in the upper press roller combination 1 and the lower press roller combination 2 are arranged in a staggered manner in the yarn conveying direction, the yarns penetrate between the upper press roller combination 1 and the lower press roller combination 2, the yarns are bent due to the change of the relative heights of the upper press roller combination 1 and the lower press roller combination 2, and the included angle after bending is the fiber spreading wrap angle; the elastic support structure 3 comprises an elastic section 5, a height control section 6 and a height detection device, wherein the elastic section 5 is fixedly connected with the installation position of the press roller 4, the elastic section 5 adopts a spring structure for facilitating purchase and installation, the pressure of the press roller combination 1 on yarns is buffered, the height control section 6 is arranged at the bottom of the elastic section 5 and used for adjusting the height of the bottom of the elastic section 5, and the height detection device is used for detecting the height change of the installation position of the press roller 4.
The compression roller combination 1 is connected with a first screw rod assembly, the first screw rod assembly is used for driving the upper compression roller combination 1 to move up and down, the first screw rod assembly is connected with a first motor, the height control section 6 comprises a second screw rod assembly, the upper end part of a screw rod of the second screw rod assembly and the bottom of the installation part of the compression roller 4 are arranged in a sliding mode up and down, a spring structure is arranged between the bottom of the installation part and a screw rod nut of the second screw rod assembly, the screw rod plays a guiding role on the spring structure, the second screw rod assembly is connected with a second motor, the stepless control of the height is realized through the screw rod mechanism by controlling the revolution number of the motor, the control mode is simple and feasible, the accurate control of the pressure can be realized through the height control by reasonable feedback, and therefore the pressure required by fiber spreading is ensured.
The control method of the automatic yarn spreading wrap angle adjusting device specifically comprises the following steps:
A. before the yarn is placed on the surface of the lower press roller combination 2, determining the initial height of the lower press roller combination 2 at the moment as a height judgment starting point, wherein the starting point of the height judgment can be adjusted at the stage through the height control section 6;
B. the yarn is laid on the surface of the lower press roller combination 2, and because the yarn has a certain weight, and in the fiber spreading process, the fiber spreading is realized at the same time by the device, so that the condition that the lower press roller combination 2 descends before fiber spreading is caused by the accumulated weight of the yarn, and if the condition is not compensated, the subsequent control precision is affected, and the sinking height of the lower press roller combination 2 due to the gravity of the yarn is detected by the height detection device;
C. the height of the lower press roller combination 2 is regulated by the height control section 6 to carry out compensation, the specific compensation value is controlled by controlling the revolution of the second motor, the regulated speed can also be realized by controlling the revolution of the motor, and the height of the lower press roller combination 2 is regulated to rise to the height in the step A before fiber spreading;
D. starting a first motor, regulating the upper press roller combination 1 to descend so as to extrude yarns, regulating the descending height of the upper press roller combination 1 according to the process requirement to realize the regulation of the yarn pressure, detecting the height change of the lower press roller combination 2 in real time in the regulation process, taking the change as the basis for controlling the descending height of the upper press roller combination 1, when the height change of the lower press roller combination 2 is overlarge, the deformation of a spring is enlarged, the pressure of the deformation generated by the spring is the pressure born by the yarns, and the compression quantity corresponding to the spring under any pressure value can be obtained through the relation between the deformation of the spring and the pressure value, so that the deformation of the spring is controlled through controlling the height change of the upper press roller combination 1.
After the pressure adjustment is finished, a power source for conveying the yarns is started, the yarns drive each press roller 4 to rotate through friction force between the upper press roller combination 1 and the lower press roller combination 2 for transmission, and moderate pressure can ensure the fiber spreading effect and avoid damaging the yarns at the same time, so that the technical scheme of the invention has higher practical value.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are used for convenience of description only and do not limit the present invention in any way, and other systems identical or similar to the terms are used in the scope of the present invention.
Claims (5)
1. The control method of the automatic yarn spreading wrap angle adjusting device is characterized by comprising the following steps of:
before the yarn is placed on the surface of the lower press roller combination (2), determining the initial height of the lower press roller combination (2) at the moment as a height judgment starting point;
paving yarns on the surface of a lower press roller assembly (2), and detecting the sinking height of the lower press roller assembly (2) due to the gravity of the yarns;
the height of the lower press roller combination (2) is adjusted through the height control section (6) to compensate, so that the lower press roller combination is lifted to the height in the step A;
the upper press roller combination (1) is regulated to descend so as to squeeze yarns, and the descending height of the upper press roller combination (1) is controlled through the height change of the lower press roller combination (2);
wherein, yarn exhibition fine wrap angle automatic regulating apparatus includes: an upper press roller combination (1), a lower press roller combination (2) and an elastic supporting structure (3);
the lower press roller assembly (2) is fixedly arranged on the elastic supporting structure (3), and the upper press roller assembly (1) is movably arranged up and down relative to the lower press roller assembly (2) and can be kept at any fixed height in the moving range for working; the support of the lower pressing roller combination (2) is elasticized, so that damage to yarns caused by excessively large and excessively fast applied pressure is avoided;
the upper press roll combination (1) and the lower press roll combination (2) comprise a plurality of press rolls (4) which are horizontally arranged in parallel, the distances between two adjacent press rolls (4) in the upper press roll combination (1) and the lower press roll combination (2) are the same, and the press rolls (4) in the upper press roll combination (1) and the lower press roll combination (2) are arranged in a staggered manner in the yarn conveying direction;
the elastic supporting structure (3) comprises an elastic section (5), a height control section (6) and a height detection device, wherein the elastic section (5) is fixedly connected with the installation position of the press roller (4) and is used for buffering the pressure of the upper press roller combination (1) on yarns, the height control section (6) is arranged at the bottom of the elastic section (5) and is used for adjusting the bottom height of the elastic section (5), and the height detection device is used for detecting the height change of the installation position of the press roller (4); and judging the pressure exerted on the yarn between the upper press roller combination (1) and the lower press roller combination (2) through the height change of the lower press roller combination (2).
2. The control method of the automatic yarn spreading wrap angle adjusting device according to claim 1, wherein the upper press roller assembly (1) is connected with a first screw rod assembly, the first screw rod assembly is used for driving the upper press roller assembly (1) to move up and down, and the first screw rod assembly is connected with a first motor.
3. The control method of an automatic yarn spreading wrap angle adjusting device according to claim 1, wherein the elastic section (5) is of a spring structure.
4. The control method of the automatic yarn spreading wrap angle adjusting device according to claim 3, wherein the height control section (6) comprises a second screw rod assembly, the upper end part of the screw rod of the second screw rod assembly and the bottom of the installation position of the press roller (4) are arranged in a sliding manner up and down, and the spring structure is arranged between the bottom of the installation position and a screw rod nut of the second screw rod assembly.
5. The control method of the automatic yarn spread wrap angle adjusting device according to claim 1, characterized in that the height of the lower press roll assembly (2) is adjusted by the height control section (6) so as to overcome the height variation of the lower press roll assembly (2) due to the weight of the yarn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711332301.4A CN107881617B (en) | 2017-12-13 | 2017-12-13 | Automatic adjustment device for wrap angle of yarn fiber spreading and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711332301.4A CN107881617B (en) | 2017-12-13 | 2017-12-13 | Automatic adjustment device for wrap angle of yarn fiber spreading and control method thereof |
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| Publication Number | Publication Date |
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| CN107881617A CN107881617A (en) | 2018-04-06 |
| CN107881617B true CN107881617B (en) | 2023-06-27 |
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| CN201711332301.4A Active CN107881617B (en) | 2017-12-13 | 2017-12-13 | Automatic adjustment device for wrap angle of yarn fiber spreading and control method thereof |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110004573B (en) * | 2019-04-03 | 2020-09-08 | 东北大学 | Yarn fault detection method and device based on vibration data |
| CN110054024B (en) * | 2019-05-17 | 2023-09-29 | 常州市新创智能科技有限公司 | Constant-tension untwisted spread fiber winding device and operation method thereof |
| CN111015921A (en) * | 2019-12-10 | 2020-04-17 | 绍兴叁禾弋新材料科技有限公司 | Terrazzo production device and process |
| CN110904554B (en) * | 2019-12-13 | 2022-07-01 | 常州市新创智能科技有限公司 | Large-tow carbon fiber spreading device |
| CN114703556A (en) * | 2022-02-11 | 2022-07-05 | 江苏泛博车用纤维有限公司 | Filament dividing device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206289355U (en) * | 2016-10-19 | 2017-06-30 | 广州金发碳纤维新材料发展有限公司 | A kind of fine device of fiber exhibition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2100619U (en) * | 1991-04-09 | 1992-04-01 | 黄添财 | Manometer |
| DE102009026737B4 (en) * | 2008-09-16 | 2012-10-31 | Technische Universität Dresden | Apparatus and method for spreading band-shaped filament yarns |
| CN104153085B (en) * | 2014-07-28 | 2016-03-02 | 江苏鹰游纺机有限公司 | The fine device of carbon fiber vibration exhibition |
| CN207619588U (en) * | 2017-12-13 | 2018-07-17 | 常州市新创智能科技有限公司 | A kind of fine cornerite automatic regulating apparatus of yarn exhibition |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206289355U (en) * | 2016-10-19 | 2017-06-30 | 广州金发碳纤维新材料发展有限公司 | A kind of fine device of fiber exhibition |
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