CN203159768U - Pattern silk guiding disc for spinning machine - Google Patents
Pattern silk guiding disc for spinning machine Download PDFInfo
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- CN203159768U CN203159768U CN 201320125702 CN201320125702U CN203159768U CN 203159768 U CN203159768 U CN 203159768U CN 201320125702 CN201320125702 CN 201320125702 CN 201320125702 U CN201320125702 U CN 201320125702U CN 203159768 U CN203159768 U CN 203159768U
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- godet
- draw
- spinning machine
- guiding disc
- fin
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- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The utility model discloses a pattern silk guiding disc for a spinning machine. A plurality of protruding edges in the axial direction are distributed on the outer side wall of the pattern silk guiding disc for the spinning machine, the shape of the cross section of each protruding edge is a trapezoid, one upper base angle of each trapezoid is smaller than the other upper base angle of the trapezoid, hard chrome is plated on the outer side wall and the protruding edges of the pattern silk guiding disc, then chromium nitride is plated on the outer side wall and the protruding edges of the pattern silk guiding disc in sequence in a coating mode, or the hard chrome is plated on the outer side wall and the protruding edges of the pattern silk guiding disc in sequence, and then titanium nitride is plated on the outer side wall and the protruding edges of the pattern silk guiding disc in sequence in a coating mode. The pattern silk guiding disc for the spinning machine is not only good in drafting effect of tows, but also good in retraction effect of the tows, the tows can stably move on the surface of a drafting roller, the purpose that the tows can not slip or shake can be ensured, the drafting requirement can be met, and tensile performance of the tows is ensured. A wear-proof chromium nitride film layer or a wear-proof titanium nitride film layer can enable the surface hardness of the pattern silk guiding disc to reach more than HV2000, the pattern silk guiding disc for the spinning machine at least can be continuously used for more than five years, the defect of being large in winding tension difference caused by repair or replacement of the pattern silk guiding disc can be overcome, consistency of quality of finished silk is improved, and maintenance cost of the pattern silk guiding disc for the spinning machine is reduced.
Description
Technical field
The utility model relates to chemical fibre equipment manufacturing technology field, particularly a kind of spinning machine decorative pattern draw-off godet.
Background technology
The drawing roller draw-off godet surface of spinning godet (cold roller) or spinning hot-rolling group is generally adopted uniform chromium plating or is sprayed (the sprayed on material AL that makes pottery uniformly in the drafting system of melt spinning field use both at home and abroad at present
2O
3) hair side or minute surface technology, tow is extruded through spinnerets, spins under the speed stretching at 12～60 times, and the Polymer Synthesizing fiber is wanted can realize stretching because the internal stress effect has retraction trend on the one hand, and the while also will give fiber certain retraction.Specifically, under external force, polymer segment has to be forced to unfold along external force direction, thereby generation internal stress, to contend with external force, and all woolen face or full minute surface draw-off godet surface are adsorbed in the draw-off godet surface fully because of tow, can't realize the tow retraction and easily make the tow shake, can't stably be wrapped on first draw-off godet, especially it is more obvious that polyamide fibre, high Telon (PTT) etc. shrink the bigger fiber species performance of elasticity, have a strong impact on the stable operation of producing, influenced the excellent properties of finished product tow then.Present terylene for example, the drafting system that use in polyamide fibre industry silk field all adopts 1 pair of tension rollers and freely divides roll dies group (namely feeding the roller group) to add the integrated mode of 3～5 counter extensioin hot-rollings, be that tow is first after feeding roller group is twined 1～5 circle after oil tanker oils, enter the 1st counter extensioin roller group and other drawing roller group again, this equipment integrated mode is ripe, the related draw-off godet surface that is used with the drawing roller full minute surface coating of hard chrome normally in this integrated mode, in production practices, tow will be wrapped in earlier on the feeding roller group, complex operation, and increased the friction to tow, caused lousiness easily, fracture of wire; If feed the first drawing roller draw-off godet that the roller group directly adopts the full minute surface coating of hard chrome and cancelled, then after high power spinning drawing-off, need to a certain degree retraction because of tow, and the tow retraction can not be realized in full minute surface draw-off godet surface and make the tow shake can't stable winding on the drawing roller draw-off godet, had a strong impact on the stable operation of producing.The draw-off godet overlay coating that uses in the spinning field mostly is hard chrome or spraying AL at present
2O
3Pottery, its hardness is HV800～1100, use spray pottery or hard chrome coating to have some inevitable shortcomings, when mainly showing the high drafting spinning this coating surface hardness low, wear no resistance, service life is short, is unfavorable for production steady in a long-term, and heavy wear just appearred in 1～1.5 year in general the use when conventional spinning, need to change draw-off godet (cold roller), maintenance capacity is big; Then need change new (or having keeped in repair) drawing roller of the whole series of comprising motor for hot-rolling drawing-off spinning, not only maintenance capacity is big, and change loaded down with trivial details, and then it is inhomogeneous to produce in the same hot-rolling group drawing roller draw-off godet thickness collocation that new drawing roller draw-off godet and surface has damaged, cause uniform in quality poor, above-mentioned phenomenon is particularly outstanding when particularly spinning high strength industrial filament.
The utility model content
Technical problem to be solved in the utility model provides a kind of spinning machine decorative pattern draw-off godet, and it is not only to the drawing-off better effects if of tow, and it is also better to make tow produce the effect of retraction.
For solving the problems of the technologies described above, the utility model provides a kind of spinning machine decorative pattern draw-off godet, the outer wall of described draw-off godet has many to be axial fin, the shape of the described fin cross section of each bar is trapezoidal, goes up the base angle less than base angle on described trapezoidal another for described trapezoidal one; Wherein, the top of the horn at less last base angle is towards the rotation direction of described draw-off godet, and the top of the horn at bigger last base angle is the rotation direction of described draw-off godet dorsad.
Described less last base angle is the right angle.
The angle at described bigger last base angle is between 140 ° to 175 °.
The angle at described bigger last base angle is 150 °, 160 ° or 170 °.
The width of described trapezoidal lug boss is 0.2mm～0.5mm, and the arc length between adjacent two described fins is 0.4mm～1mm, and the height of fin is 0.1mm～0.3mm.
Described two trapezoidal the top of the horns of going up the base angle are rounding off, and the lowest point between the described fin is rounding off.
Be coated with hard chrome on the lateral wall of described draw-off godet and the fin successively, be coated with and be coated with chromium nitride or be coated with hard chrome successively, be coated with and be coated with titanium nitride.
The thickness of chromium nitride or titanium nitride film is on described draw-off godet lateral wall and the fin
The thickness of chromium nitride or titanium nitride film is on described draw-off godet lateral wall and the fin
Roughness Ra value on described draw-off godet and the fin can be
Compared with prior art, the beneficial effect of the present invention's generation is as follows:
1, because the technical program has adopted trapezoidal one to go up the base angle less than base angle on trapezoidal another; The top of the horn at less last base angle is towards the rotation direction of draw-off godet, the top of the horn at bigger last base angle is the technological means of the rotation direction of draw-off godet dorsad, so, draw-off godet of the present utility model is not only to the drawing-off better effects if of tow, and it is also better to make tow produce the effect of retraction, tow stable operation on the drawing roller surface, guarantee that tow is non-slip, do not shake, satisfy the drawing-off requirement, guarantee the tensile property of tow.
2, since the technical program adopted on the lateral wall of draw-off godet and the fin and be coated with hard chrome successively, be coated with and be coated with chromium nitride or be coated with hard chrome successively, be coated with the technological means that is coated with titanium nitride, so, anti abrasive chromium nitride or titanium nitride film can make the case hardness of draw-off godet reach more than the HV2000, draw-off godet can use more than 5 years at least continuously, prolonged the service life of draw-off godet, reduced the big defective of winding tension difference that draw-off godet reparation or replacing cause, improve the uniformity of finished silk quality, reduced equipment maintenance cost.The draw-off godet of this special appearance not only is suitable for polyester POY, FDY spinning machine first draw-off godet (cold roller), be more suitable in polyamide fibre, high Telons (PTT) etc. shrink the POY of the bigger fiber species of elasticity, FDY spinning machine first draw-off godet (cold roller), equally also be suitable for polyamide fibre, polyester industrial yarns etc. have the draw-off godet of the first drawing-off hot-rolling group of the Spinning drafting machine of many counter extensioins roller, and then can cancel feeding roller group in the industry silk conventional equipment, adopt the draw-off godet of this special appearance as polyamide fibre, the surface of the polyester industrial yarn first drawing-off hot-rolling group, tow directly enters the first drawing-off hot-rolling group after oil tanker oils, drop into and the management maintenance expense thereby reduced equipment.
Description of drawings
Fig. 1 is vertically sectional structure chart of POY draw-off godet of the present utility model (cold roller).
Fig. 2 is the cross-sectional structure schematic diagram of right-angled trapezium fin in the draw-off godet of the present utility model.
The specific embodiment
As depicted in figs. 1 and 2, present embodiment provides a kind of spinning machine decorative pattern draw-off godet 1, Fig. 1 only shows vertically sectional structure chart (also can be used to the FDY draw-off godet (hot-rolling) that spins fully drafting certainly) of POY draw-off godet of the present utility model (cold roller).This draw-off godet 1 is cylinder-like structure, and an end of cylinder is provided with former 2, and the circle centre position of former 2 has the axle sleeve 3 that is connected as a single entity with this former 2, and this axle sleeve 3 extends in cylinder, and axle sleeve 3 is provided with axis hole 4.The outer wall of described draw-off godet 1 has many to be axial fin 5, and the shape of described fin 5 cross sections of each bar is trapezoidal, goes up base angle A less than base angle B on described trapezoidal another for described trapezoidal one; Wherein, the top of the horn at less last base angle is towards the rotation direction of described draw-off godet, and the top of the horn at bigger last base angle is the rotation direction of described draw-off godet dorsad.
After tow runs to spinning machine usefulness decorative pattern draw-off godet of the present utility model, the tow compartment of terrain is fitted on the fin of lateral wall of draw-off godet, like this, just be divided into the non-holding section that holding section that multistage gripped by the fin on the draw-off godet lateral wall and multistage are not gripped by the fin of draw-off godet lateral wall between tow and the draw-off godet lateral wall, because each non-holding section is not gripped by the draw-off godet lateral wall, therefore, tow produces small retraction, tow produces relative slippage and realizes bouncing back easily with between the fin of draw-off godet lateral wall, drafting stress in the tow is eased, so, tow not can and drawing-off godet lateral wall between produce bigger discontinuity slippage, guarantee tow in the stability that draw-off godet moves, avoided tow to produce shake, tow has obtained stable drawing-off, has improved spinning quality.
Because present embodiment has adopted trapezoidal one to go up base angle A less than base angle B on trapezoidal another; The top of the horn of less last base angle A is towards the rotation direction of draw-off godet 1, the top of the horn of bigger last base angle B is the technological means of the rotation direction of draw-off godet 1 dorsad, so, the end face 8 of fin 5 and side 6 are conducive to the gripping to tow, correspondingly, the end face 8 of fin 5 and side 7 are conducive to make tow to produce retraction, therefore, draw-off godet of the present utility model is not only to the drawing-off better effects if of tow, and it is also better to make tow produce the effect of retraction, tow stable operation on the drawing roller surface, the assurance tow is non-slip, do not shake, satisfy the drawing-off requirement, guarantee the tensile property of tow.
As a kind of improvement of present embodiment, described less last base angle A is the right angle.Like this, the end face 8 of fin 5 and side 6 more are conducive to the gripping to tow.Grasping force to tow obviously strengthens, so to the drawing-off best results of tow.
Further improve as present embodiment, the angle at described bigger last base angle is between 140 ° to 175 °.Like this, the end face 8 of fin 5 and side 7 more are conducive to make tow to produce retraction, and it is also more obvious to make tow produce the effect that bounces back, and draw-off godet is more obvious to the improvement of the drawing-off effect of tow, guarantee that tow is non-slip, do not shake.
Further improve as present embodiment, the angle at described bigger last base angle is 150 °, 160 ° or 170 ° again.Like this, the end face 8 of fin 5 and side 7 are conducive to make tow to produce retraction most, and it is also more remarkable to make tow produce the effect that bounces back, and draw-off godet is more remarkable to the improvement of the drawing-off effect of tow, guarantees that further tow is non-slip, does not shake.
Further improve as present embodiment, the width of described trapezoidal lug boss is 0.2mm～0.5mm, and the arc length between adjacent two described fins is 0.4mm～1mm, and the height of fin is 0.1mm～0.3mm.Like this, can make things convenient for the processing of fin.
Further improve again as present embodiment, described two trapezoidal the top of the horns of going up the base angle are rounding off, and the lowest point between the described fin is rounding off.Like this, can prevent that fin is to the damage of tow.
Also further improve as present embodiment, be coated with hard chrome successively on the lateral wall of described draw-off godet 1 and the fin 5, be coated with and be coated with chromium nitride.Can certainly on the lateral wall of draw-off godet 1 and fin 5, be coated with hard chrome successively, be coated with and be coated with titanium nitride.
Because present embodiment adopted on the lateral wall of draw-off godet and the fin and has been coated with hard chrome successively, be coated with the technological means that is coated with chromium nitride (or be coated with hard chrome on the lateral wall of draw-off godet and the fin successively, be coated be coated with titanium nitride), so, anti abrasive chromium nitride or titanium nitride film can make the case hardness of draw-off godet reach more than the HV2000, draw-off godet can use more than 5 years at least continuously, prolonged draw-off godet service life, reduce the big defective of winding tension difference that draw-off godet reparation or replacing cause, improved the uniformity of finished silk quality.The draw-off godet of this special appearance not only is suitable for polyester POY, FDY spinning machine first draw-off godet (cold roller), be more suitable in polyamide fibre, high Telons (PTT) etc. shrink the POY of the bigger fiber species of elasticity, FDY spinning machine first draw-off godet (cold roller), equally also be suitable for polyamide fibre, polyester industrial yarns etc. have the draw-off godet of the first drawing-off hot-rolling group of the Spinning drafting machine of many counter extensioins roller, and then can cancel feeding roller group in the industry silk conventional equipment, adopt the draw-off godet of this special appearance as polyamide fibre, the surface of the polyester industrial yarn first drawing-off hot-rolling group, tow directly enters the first drawing-off hot-rolling group after oil tanker oils, drop into and the management maintenance expense thereby reduced equipment.
Also further improve as present embodiment, the thickness of chromium nitride or titanium nitride film is on described draw-off godet lateral wall and the fin
Like this, can guarantee the service life of draw-off godet.
Also further improve as present embodiment, the thickness of chromium nitride or titanium nitride film is on described draw-off godet lateral wall and the fin again
Like this, not only can guarantee the service life of draw-off godet, and, coating material can be saved.
Also further improve again as present embodiment, the roughness Ra value on described draw-off godet and the fin can be
Like this, can further improve draw-off godet to the drawing-off effect of tow.
Be coated with titanium-nitride and coating chromium nitride (TIN﹠amp; CrN COATING) be with physical vaporous deposition (Physical Vapor Deposition is called for short PVD) in high vacuum furnace with Tai ﹠amp; The chromium evaporation of metal also adds an amount of nitrogen, and is being formed one deck ultrathin membrane by the plating substrate surface, is high-tech TiN titanium nitride, and the CrN chromium nitride covers attached technology.It is also harder than tungsten carbide that it has higher hardness (HV2000-HV2400), and the characteristic of the abrasion performance of this layer film, anticorrosive, high temperature resistant and superpower adhesive force is far from traditional coating technique in fact and can reach.TiN/CrN is used on the spare part of high-tech new products such as aviation, electronics, precision die, smart machine widely.Be characterized in: it is indeformable to handle the back through dura mater, abrasion performance, corrosion-resistant, high temperature resistant and surpass and adhere to etc.Therefore, present embodiment can prolong the service life of drawing-off godet, can be by common godet
Extend to more than 5 years in year normal service life and normally use, reduced the godet reparation or the defective of the winding tension difference that caused when changing, improved the uniformity of spinning quality, reduced equipment maintenance cost.
The above is only for the preferred embodiment of pre-tropism continuous yarn POY draw-off godet of the present invention (cold roller), draw-off godet of the present invention also can be FDY draw-off godet (hot-rolling), that is to say, no matter be hot-rolling or cold roller, be hot draw-off godet or cold draw-off godet, so long as the outer wall of draw-off godet has many to be axial fin, the shape of each bar fin cross section is trapezoidal, goes up the base angle less than base angle on trapezoidal another for trapezoidal one; The top of the horn at less last base angle is towards the rotation direction of draw-off godet, and the top of the horn at bigger last base angle is the rotation direction of draw-off godet dorsad, and such draw-off godet just is included in protection scope of the present invention.
Claims (10)
1. spinning machine decorative pattern draw-off godet, the outer wall of described draw-off godet has many to be axial fin, and the shape of the described fin cross section of each bar is trapezoidal, it is characterized in that: go up the base angle less than base angle on described trapezoidal another for described trapezoidal one; Wherein, the top of the horn at less last base angle is towards the rotation direction of described draw-off godet, and the top of the horn at bigger last base angle is the rotation direction of described draw-off godet dorsad.
2. spinning machine according to claim 1 decorative pattern draw-off godet, it is characterized in that: described less last base angle is the right angle.
3. spinning machine according to claim 2 decorative pattern draw-off godet is characterized in that: the angle at described bigger last base angle is between 140 ° to 175 °.
4. spinning machine according to claim 3 decorative pattern draw-off godet is characterized in that: the angle at described bigger last base angle is 150 °, 160 ° or 170 °.
5. spinning machine according to claim 1 decorative pattern draw-off godet, it is characterized in that: the width of described trapezoidal lug boss is 0.2mm～0.5mm, and the arc length between adjacent two described fins is 0.4mm～1mm, and the height of fin is 0.1mm～0.3mm.
6. according to the described spinning machine of one of claim 1 to 5 decorative pattern draw-off godet, it is characterized in that: described two trapezoidal the top of the horns of going up the base angle are rounding off, and the lowest point between the described fin is rounding off.
7. spinning machine according to claim 6 decorative pattern draw-off godet is characterized in that: be coated with hard chrome on the lateral wall of described draw-off godet and the fin successively, be coated with and be coated with chromium nitride or be coated with hard chrome successively, be coated with and be coated with titanium nitride.
8. spinning machine according to claim 7 decorative pattern draw-off godet, it is characterized in that: the thickness of chromium nitride or titanium nitride film is on described draw-off godet lateral wall and the fin
9. spinning machine according to claim 8 decorative pattern draw-off godet, it is characterized in that: the thickness of chromium nitride or titanium nitride film is on described draw-off godet lateral wall and the fin
10. spinning machine according to claim 6 decorative pattern draw-off godet, it is characterized in that: the roughness Ra value on described draw-off godet and the fin can be
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320125702 CN203159768U (en) | 2013-03-19 | 2013-03-19 | Pattern silk guiding disc for spinning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320125702 CN203159768U (en) | 2013-03-19 | 2013-03-19 | Pattern silk guiding disc for spinning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203159768U true CN203159768U (en) | 2013-08-28 |
Family
ID=49020967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320125702 Expired - Lifetime CN203159768U (en) | 2013-03-19 | 2013-03-19 | Pattern silk guiding disc for spinning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203159768U (en) |
-
2013
- 2013-03-19 CN CN 201320125702 patent/CN203159768U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |
|
| CX01 | Expiry of patent term |