CN212293925U - Anti-winding device for drafting roller - Google Patents
Anti-winding device for drafting roller Download PDFInfo
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- CN212293925U CN212293925U CN202020602831.7U CN202020602831U CN212293925U CN 212293925 U CN212293925 U CN 212293925U CN 202020602831 U CN202020602831 U CN 202020602831U CN 212293925 U CN212293925 U CN 212293925U
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- scraper
- fixing frame
- drafting
- rollers
- roller
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Abstract
The utility model relates to a chemical fiber tow pulls auxiliary device, specifically relates to a drawing roller anti-winding device. The method comprises the following steps: the drafting roller is internally provided with a central shaft, one end of the central shaft extends through one end of the drafting roller and is connected with the fixed plate through a bearing, and one end of the central shaft is provided with a driving device; the other end of the central shaft extends through the other end of the drafting roller and is connected with the scraper fixing frame connecting piece through a bearing; a scraper fixing frame is arranged between the scraper fixing frame connecting piece and the fixing plate and positioned on one side of the drawing roller in the radial direction, a scraper is arranged on the inner wall of the scraper fixing frame facing the drawing roller direction, and a gap is formed at the contact position of the scraper and the peripheral surface of the drawing roller; adopt the utility model discloses a draft roller anti-winding device can keep the cleanness on the draft roller, and effectual solution draft roller prevents the winding problem of silk bundle, guarantees that silk bundle draft work goes on smoothly.
Description
Technical Field
The utility model relates to a chemical fiber tow pulls auxiliary device, specifically relates to a drawing roller anti-winding device.
Background
In the post-spinning process in the chemical fiber industry, fiber tows need to be stretched through a drafting roller. The filament bundle needs to be rolled by a plurality of groups of double rollers, and the stretching of the filament speed is realized by the speed difference between a plurality of groups of drafting rollers. In the stretching process, when the fiber tows pass between each group of rollers, monofilament broken ends can occur because the fiber tows consist of a plurality of monofilaments; due to static electricity or other effects, the fiber breaks can be wound around the drawing roller. If the winding time is increased, the thickness of the broken end wound on the drawing roller is gradually increased. If the broken fibers on the two rollers in the same group are wound to a certain degree, the whole tow can be extruded and broken between the two rollers;
the tow drafting process cannot run normally.
Disclosure of Invention
In order to prevent the winding of silk bundle on the draft roller, the utility model aims at providing a draft roller anti-winding device, the device can keep the cleanness on the draft roller, and effectual solution draft roller prevents the winding problem of silk bundle, guarantees that silk bundle draft work goes on smoothly.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a draft roller anti-wind device comprising: the drafting roller is internally provided with a central shaft, one end of the central shaft extends through one end of the drafting roller and is connected with the fixed plate through a bearing, and one end of the central shaft is provided with a driving device; the other end of the central shaft extends through the other end of the drafting roller and is connected with the scraper fixing frame connecting piece through a bearing; a scraper fixing frame is arranged between the scraper fixing frame connecting piece and the fixing plate and positioned on one side of the drawing roller in the radial direction, a scraper is arranged on the inner wall of the scraper fixing frame facing the drawing roller direction, and a gap is formed at the contact position of the scraper and the peripheral surface of the drawing roller;
the scraper fixing frame is of an L-shaped structure; one end of the scraper fixing frame is arranged in the scraper fixing frame connecting piece in a penetrating way, the other end of the scraper fixing frame is connected to the fixing plate through a connecting pad, and the bottom of the connecting pad is fixedly connected to the fixing plate;
the scraper fixing frame is of a detachable structure, a first external thread structure is arranged at the end part of one end, connected with the scraper fixing frame connecting piece, of the scraper fixing frame, a through hole of an internal thread structure matched with the first external thread structure is formed in the scraper fixing frame connecting piece, and the scraper fixing frame is connected and detached in the through hole of the scraper fixing frame through mutual matching of threads; the end part of one end of the scraper fixing frame connected with the fixing plate is provided with a second external thread structure, the center of the connecting pad is provided with a blind hole of an internal thread structure matched with the second external thread, and the scraper fixing frame is connected and detached in the connecting pad through mutual matching of threads; when the scraping plate is damaged and needs to be replaced after being consumed for a long time, the replacement of the scraping plate is realized through the thread matching structures at the two ends of the scraping plate fixing frame, the whole device does not need to be stopped and replaced, and the service life of the whole drafting device is prolonged;
further, the length of the scraper arranged on the inner wall of the scraper fixing frame is determined by the length size of the drawing roller;
furthermore, the scraper and the scraper fixing frame are arranged into a detachable structure;
one end of the scraper connected with the scraper fixing frame is provided with a convex block structure, and the scraper fixing frame is provided with a groove structure matched with the convex block structure; the lug structure of scraper blade select elastic material for use, the scraper blade passes through the rigid extrusion of lug and is connected with the cooperation of scraper blade mount.
The drafting rollers are applied to the drafting mechanism, the number of the drafting rollers at least comprises two groups, namely, each group of 2 drafting rollers forms the drafting mechanism, and the tow drafting is realized through the speed difference between the two groups of drafting rollers;
the drafting mechanism comprises a first group of drafting rollers, a second group of drafting rollers and tows penetrating through the first group of drafting rollers and the second group of drafting rollers; the two rollers of the first group of drafting rollers and the second group of drafting rollers are respectively positioned at two sides of the filament bundle; the drafting mechanism comprises a first group of drafting rollers and a second group of drafting rollers from the filament feeding direction, and the rotating speed of the second group of drafting rollers is greater than that of the first group of drafting rollers; specifically, the first group of drafting rollers comprises a drafting roller a and a drafting roller b, and the second group of drafting rollers comprises a drafting roller c and a drafting roller d; if a plurality of groups of drafting rollers are arranged, the rotating speed of each two adjacent groups of drafting rollers is gradually increased according to the direction of the tows entering the rollers;
the scraping plates of each group of the drafting rollers are all arranged at the position which is the shortest distance away from the tangent position of the two rollers after the tows penetrate through the two rollers; the scrapers of the two rollers are mutually vertical;
the arrangement of adopting above-mentioned scraper blade position is because two draft rollers of every group rotate clockwise and anticlockwise, and after the silk bundle passed between two rollers, broken silk directly just can be scraped by the scraper blade at the shortest distance behind every group draft roller, avoids the silk bundle winding draft roller, keeps the draft roller clean all the time.
The specific process of the drawing roller anti-winding device adopting the structure is as follows:
the tows enter between two rollers of the first group of drafting rollers, the two rollers provide power through power ends connected with the two rollers respectively, the rotating directions of the two rollers are opposite, and the rotating speeds of the two rollers are the same; the filament bundle passes through the first group of drawing rollers, and broken ends can be blocked by the scrapers arranged on the first group of drawing rollers so as not to be wound on the rollers on two sides; the tows continuously run and enter between two rollers of a second group of drawing rollers, the two rollers provide power through power ends connected with the two rollers respectively, the directions of the two rollers are opposite, the rotating speeds of the two rollers are the same, but the rotating speed of the second group of drawing rollers is larger than that of the first group of drawing rollers; similarly, the filament bundle passes through the second group of drawing rollers, and the residual broken ends can be scraped by the scraping plate arranged on the second group of drawing rollers, so that the broken filaments are prevented from winding the two rollers of the second group of drawing rollers; the fiber tows are drawn by the speed difference between the two sets of drawing rollers.
In the process, one end of the central shaft of the drafting roller rotates in the scraper fixing frame connecting piece under the action of a bearing, and the scraper fixing frame connecting piece is fixed; the other end of the central shaft of the drafting roller acts on the fixed plate through a bearing to rotate, and the fixed plate is kept stationary, so that the scraper fixing frame and the scraper are kept stationary.
Adopt the utility model discloses a produced beneficial effect of draft roller antiwind device is: can keep the cleanness on the draft roller, effectual solution draft roller prevents the winding problem of silk bundle, guarantees that silk bundle draft work goes on smoothly.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a cross-sectional view of fig. 1.
Fig. 4 is a schematic diagram of the tow drafting state structure of the present invention.
In the figure, 1, drawing rollers, 2, a central shaft, 3, bearings, 4, fixing plates, 5, a scraper fixing frame connecting piece, 6, a scraper fixing frame, 7, scrapers, 8, connecting pads, 9, a first external thread structure, 10, a second external thread structure, 11, drawing rollers a and 12, drawing rollers b and 13, drawing rollers c and 14, drawing rollers d and 15 and tows.
Detailed Description
The present invention will be described with reference to the accompanying drawings and examples. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in the drawings, a draft roller anti-wind device includes: the drafting device comprises a drafting roller 1, wherein a central shaft 2 is arranged in the drafting roller 1, one end of the central shaft 2 extends through one end of the drafting roller 1 and is connected with a fixed plate 4 through a bearing 3, and one end of the central shaft 2 is provided with a driving device; the other end of the central shaft 2 extends through the other end of the drafting roller 1 and is connected with a scraper fixing frame connecting piece 5 through a bearing 2; a scraper fixing frame 6 is arranged between the scraper fixing frame connecting piece 5 and the fixing plate 4 and positioned on one side of the drawing roller 1 in the radial direction, a scraper 7 is arranged on the inner wall of the scraper fixing frame 6 facing the drawing roller 1, and a gap is formed at the contact position of the scraper 7 and the circumferential surface of the drawing roller 1;
the scraper fixing frame 6 is of an L-shaped structure; one end of the scraper fixing frame 6 is arranged in the scraper fixing frame connecting piece 5 in a penetrating way, the other end of the scraper fixing frame is connected to the fixing plate 4 through a connecting pad 8, and the bottom of the connecting pad 8 is fixedly connected to the fixing plate 4;
the scraper fixing frame 6 is of a detachable structure, a first external thread structure 9 is arranged at the end part of one end, connected with the scraper fixing frame connecting piece 5, of the scraper fixing frame 6, a through hole of an internal thread structure matched with the first external thread is formed in the scraper fixing frame connecting piece 5, and the scraper fixing frame 6 is connected and detached in the through hole of the scraper fixing frame through mutual matching of threads; a second external thread structure 10 is arranged at the end part of one end of the scraper fixing frame 6 connected with the fixed plate 4, a blind hole of an internal thread structure matched with the second external thread is arranged at the center of the connecting pad 8, and the scraper fixing frame 6 is mutually matched in the connecting pad 8 through threads for connection and disassembly; when the scraper 7 is damaged and needs to be replaced after being consumed for a long time, the replacement of the scraper 7 is realized through the thread matching structures at the two ends of the scraper fixing frame 6, the whole device does not need to be stopped for replacing, and the service life of the whole drafting device is prolonged;
further, the length of the scraper 7 arranged on the inner wall of the scraper fixing frame 6 is determined by the length dimension of the drafting roller 1;
the drafting rollers 1 are applied to a drafting mechanism, the number of the drafting rollers 1 at least comprises two groups, namely, each group of 2 drafting rollers 1 forms the drafting mechanism, and the tow drafting is realized through the speed difference between the two groups of drafting rollers 1;
the drafting mechanism comprises a first group of drafting rollers, a second group of drafting rollers and tows 15 penetrating through the first group of drafting rollers and the second group of drafting rollers; the two rollers of the first group of drafting rollers and the second group of drafting rollers are respectively positioned at two sides of the filament bundle 15; the drafting mechanism comprises a first group of drafting rollers and a second group of drafting rollers from the filament feeding direction, and the rotating speed of the second group of drafting rollers is greater than that of the first group of drafting rollers; specifically, the first set of drafting rollers comprises a drafting roller a11 and a drafting roller b12, and the second set of drafting rollers comprises a drafting roller c13 and a drafting roller d 14;
the scraping plates 7 of each group of the drafting rollers are all arranged at the position which is the shortest distance away from the tangent position of the two rollers after the tows penetrate through the two rollers; the scrapers 7 of the two rollers are mutually vertical;
the arrangement of the position of the scraper 7 is adopted because the two drafting rollers of each group rotate clockwise and anticlockwise, after the filament bundle 15 passes between the two rollers, broken filaments can be directly scraped by the scraper 7 at the shortest distance after passing through the drafting rollers of each group, the filament bundle is prevented from winding the drafting rollers 1, and the drafting rollers 1 are kept clean all the time.
The specific process of the drawing roller anti-winding device adopting the structure is as follows:
the tows 15 enter between two rollers (11, 12) of the first group of drafting rollers, the two rollers provide power through respective connected power ends thereof, the rotating directions of the two rollers are opposite, and the rotating speeds of the two rollers are the same; the tows 15 pass through the first group of drawing rollers, and broken ends can be blocked by the scrapers 7 arranged on the first group of drawing rollers so as not to be wound on the rollers on two sides; the filament bundle 15 continuously runs and enters between two rollers (13, 14) of the second group of drawing rollers, the two rollers provide power through power ends connected with the two rollers respectively, the directions of the two rollers are opposite, the rotating speeds of the two rollers are the same, but the rotating speed of the second group of drawing rollers is greater than that of the first group of drawing rollers; similarly, the filament bundle 15 passes through the second group of drawing rollers, and the residual broken ends are scraped by the scraping plate 7 arranged on the second group of drawing rollers, so that the broken filaments are prevented from winding the two rollers of the second group of drawing rollers; the fiber tow 15 is drawn by the speed difference between the two sets of draw rolls.
In the process, one end of a central shaft 2 of the drafting roller 1 is acted by a bearing 3 to enable the central shaft 2 to rotate in a scraper fixing frame connecting piece 5, and the scraper fixing frame 6 connecting piece is fixed; the other end of the central shaft 2 of the draft roller 1 is rotated by a bearing 3 in a fixed plate 4, and the fixed plate 4 is kept stationary, so that the blade holder 6 is kept stationary together with the blade 7.
Example 2
In order to further realize the detachable structure of the scraper, the anti-winding device of the drafting roller of the embodiment is based on embodiment 1, and the scraper fixing frame are arranged to be detachable structures;
one end of the scraper 7 connected with the scraper fixing frame 6 is provided with a convex block structure, and the scraper fixing frame 6 is provided with a groove structure matched with the convex block structure; the lug structure of scraper blade 7 select for use the elasticity material, scraper blade 7 is connected with scraper blade mount 6 cooperation through the hard extrusion of lug.
The structures of the other parts of this embodiment except the above structure are the same as those of embodiment 1, and are not described again.
Claims (9)
1. An anti-wind device of a draft roller, comprising: the drafting roller is internally provided with a central shaft, one end of the central shaft extends through one end of the drafting roller and is connected with the fixed plate through a bearing, and one end of the central shaft is provided with a driving device; the other end of the central shaft extends through the other end of the drafting roller and is connected with the scraper fixing frame connecting piece through a bearing; and a scraper fixing frame is arranged between the scraper fixing frame connecting piece and the fixing plate and positioned on one side in the radial direction of the drawing roller, a scraper is arranged on the inner wall of the scraper fixing frame facing the drawing roller, and a gap is formed between the scraper and the circumferential surface of the drawing roller.
2. The draft roller anti-wind device according to claim 1, wherein: the scraper fixing frame is of an L-shaped structure; one end of the scraper fixing frame is arranged in the scraper fixing frame connecting piece in a penetrating mode, the other end of the scraper fixing frame is connected to the fixing plate through a connecting gasket, and the bottom of the connecting gasket is fixedly connected to the fixing plate.
3. The draft roller anti-wind device according to claim 2, wherein: the scraper fixing frame is of a detachable structure, a first external thread structure is arranged at the end part of one end, connected with the scraper fixing frame connecting piece, of the scraper fixing frame, a through hole of an internal thread structure matched with the first external thread structure is formed in the scraper fixing frame connecting piece, and the scraper fixing frame is connected and detached in the through hole of the scraper fixing frame through mutual matching of threads; the end part of one end of the scraper fixing frame connected with the fixing plate is provided with a second external thread structure, the center of the connecting pad is provided with a blind hole of an internal thread structure matched with the second external thread, and the scraper fixing frame is connected and detached in the connecting pad through mutual matching of threads.
4. The draft roller anti-wind device according to claim 1, wherein: the length of the scraper arranged on the inner wall of the scraper fixing frame is determined by the length of the drafting roller.
5. The draft roller anti-wind device according to claim 1, wherein: the scraper and the scraper fixing frame are arranged to be detachable structures.
6. The draft roller anti-wind device according to claim 5, wherein: one end of the scraper connected with the scraper fixing frame is provided with a convex block structure, and the scraper fixing frame is provided with a groove structure matched with the convex block structure; the lug structure of scraper blade select elastic material for use, the scraper blade passes through the rigid extrusion of lug and is connected with the cooperation of scraper blade mount.
7. The draft roller anti-wind device according to any one of claims 1 to 6, wherein: the drafting rollers are applied to the drafting mechanism, the number of the drafting rollers at least comprises two groups, namely, 2 drafting rollers in each group form the drafting mechanism, and the tow stretching is realized through the speed difference between the two groups of the drafting rollers.
8. The draft roller anti-wind device according to claim 7, wherein: the drafting mechanism comprises a first group of drafting rollers, a second group of drafting rollers and tows penetrating through the first group of drafting rollers and the second group of drafting rollers; the two rollers of the first group of drafting rollers and the second group of drafting rollers are respectively positioned at two sides of the filament bundle; the drafting mechanism comprises a first group of drafting rollers and a second group of drafting rollers from the filament feeding direction, and the rotating speed of the second group of drafting rollers is greater than that of the first group of drafting rollers.
9. The draft roller anti-wind device according to claim 7, wherein: the scraping plates of each group of the drafting rollers are all arranged at the position which is the shortest distance away from the tangent position of the two rollers after the tows penetrate through the two rollers; the scrapers of the two rollers are mutually vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020602831.7U CN212293925U (en) | 2020-04-21 | 2020-04-21 | Anti-winding device for drafting roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020602831.7U CN212293925U (en) | 2020-04-21 | 2020-04-21 | Anti-winding device for drafting roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212293925U true CN212293925U (en) | 2021-01-05 |
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ID=73974768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020602831.7U Active CN212293925U (en) | 2020-04-21 | 2020-04-21 | Anti-winding device for drafting roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212293925U (en) |
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2020
- 2020-04-21 CN CN202020602831.7U patent/CN212293925U/en active Active
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