CN103484994A - Practical pulling bottom roller - Google Patents
Practical pulling bottom roller Download PDFInfo
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- CN103484994A CN103484994A CN201310416729.2A CN201310416729A CN103484994A CN 103484994 A CN103484994 A CN 103484994A CN 201310416729 A CN201310416729 A CN 201310416729A CN 103484994 A CN103484994 A CN 103484994A
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- groove structure
- bottom roll
- wear
- yarn guide
- wearing layer
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Abstract
The invention provides a practical pulling bottom roller comprising a mandrel and yarn guide rings. The mandrel and the yarn guide rings are designed into an integrated structure, the yarn guide rings are evenly distributed on the outer circle surface of the mandrel, the outer circle surface of each yarn guide ring is of a groove structure which is machined by the rolling technology, the surface of each groove structure is coated with a wear-resistant material so as to form a wear-resistant layer, and the wear-resistant material is nano ceramic powder. The practical pulling bottom roller is reasonable in structure design and outstanding in performance, the groove structures on the circumferential surfaces of the yarn guide rings are convenient to machine, and after the surfaces are coated with wear-resistant coatings, the yarn guide rings have excellent wear resistance and corrosion resistance; meanwhile, the section shape of each groove structure is changed from trapezoid into arc, sudden changes among tooth surfaces are controlled, wear of a roller and occurrence probability of mechanical waves are reduced effectively, and spinning quality is improved.
Description
Technical field
The present invention relates to a kind of traction bottom roll, relate in particular to a kind of wear-resisting, corrosion resisting property outstanding, the uniform practical traction bottom roll of yarn grasping force, belong to pin spinning technique field.
background technology
Traction bottom roll on weaving loom is comprised of optical axis, spaced groove structure and link.Groove structure and the roller on top roller on the traction bottom roll form jaw, play the effect that grips and draw yarn.Whole 45 steel or the 20 carburizing steel materials of adopting of common traction bottom roll are prepared, and the traction bottom roll is exposed in air, very easily is corroded; Draw between groove structure on bottom roll and roller frictional force larger, the easy blunt of profile of tooth on groove structure, reduced the service life of traction bottom roll, and aggravated the fluctuation of ribbon in the fabrication processes, affects the uniformity and the surface quality of yarn count simultaneously.
In existing technology, people are by the traction bottom roll is carried out to surface treatment to strengthen its serviceability, and as chrome-faced, or surface heat processes, and the traction bottom roll is effectively improving aspect corrosion resistance and intensity and ABRASION RESISTANCE.But, the strengthening high cost, the preparation section complexity, practicality is not good enough; Simultaneously, groove structure is prepared by the roll extrusion rolling mill practice, and its cross section profile of tooth is generally trapezoidal, has sudden change between the flank of tooth, and this structure is easily accelerated the wearing and tearing of roller, and produces mechanical wave in spinning process, affects spinning quality.
Summary of the invention
For the demand, the invention provides a kind of practical traction bottom roll, in this traction bottom roll, the surface of the groove structure on yarn guiding ring has applied wear-resistant paint, and this structure has effectively promoted the wear-resisting and corrosion resisting property of yarn guiding ring; Simultaneously, the cross sectional shape of groove structure, by the trapezoidal circular arc that changes into, has effectively relaxed the sudden change between the flank of tooth, has reduced the wearing and tearing of roller and the generation of mechanical wave, has improved spinning quality.
The present invention is a kind of practical traction bottom roll, this traction bottom roll comprises axle and yarn guiding ring, both are the integral type structural design, described yarn guiding ring is distributed on the periphery of axle, its outer round surface is groove structure, and this groove structure adopts rolling mill practice to process, and described groove structure top layer applies high-abrasive material, to form wearing layer, described high-abrasive material is nano-ceramic powder.
In a preferred embodiment of the present invention, the cross section profile of tooth of described groove structure is inverted trapezoidal, after machined, formed dimensions is: top width is about 1.2mm, bottom width is about 0.85mm, the degree of depth is about 0.8 in a preferred embodiment of the present invention, and the wearing layer thickness on described groove structure surface is about 0.25-0.35mm.
In a preferred embodiment of the present invention, in described wearing layer, the granularity of nano-ceramic powder is about the 400-450 order.
In a preferred embodiment of the present invention, the cross section profile of tooth that described groove structure surface forms after wearing layer becomes circular arc.
In a preferred embodiment of the present invention, the moulding process of described wearing layer is the ceramic rod flame spraying method.
The present invention has disclosed a kind of practical traction bottom roll, this traction bottom roll reasonable in design, and performance is outstanding, and the groove structure on its yarn guiding ring periphery is easy to process, and surface makes yarn guiding ring have good wear-resisting and corrosion resisting property after applying wear-resistant paint; Simultaneously, the cross sectional shape of groove structure is by the trapezoidal circular arc that changes into, and the sudden change between the flank of tooth is controlled, effectively reduces the wearing and tearing of roller and the generation probability of mechanical wave, has improved spinning quality.
The accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the structural representation of the practical traction bottom roll of the embodiment of the present invention;
Fig. 2 is the sectional view of groove structure in the practical traction bottom roll of the embodiment of the present invention;
In accompanying drawing, the mark of each parts is as follows: 1, axle, 2, yarn guiding ring, 3, groove structure, 4, wearing layer.
The specific embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Fig. 1 is the structural representation of the practical traction bottom roll of the embodiment of the present invention; Fig. 2 is the sectional view of groove structure in the practical traction bottom roll of the embodiment of the present invention; This traction bottom roll comprises axle 1 and yarn guiding ring 2, both are the integral type structural design, described yarn guiding ring 2 is distributed on the periphery of axle 1, its outer round surface is groove structure 3, this groove structure 3 adopts rolling mill practice to process, described groove structure 3 top layers apply high-abrasive material, and to form wearing layer 4, described high-abrasive material is nano-ceramic powder.
In the practical traction bottom roll of mentioning in the present invention, the cross section profile of tooth of groove structure 3 is inverted trapezoidal, and after machined, formed dimensions is: top width is about 1.2-1.3mm, and bottom width is about 0.85-0.95mm, and the degree of depth is about 0.8-0.9mm.
Wearing layer 4 thickness on groove structure 3 surfaces are about 0.25-0.35mm, and the granularity of its nano-ceramic powder is about the 400-450 order; The cross section profile of tooth that groove structure 3 surfaces form after wearing layer 4 becomes circular arc, and the sudden change between the flank of tooth is controlled, effectively reduces the wearing and tearing of roller and the generation probability of mechanical wave, has improved spinning quality.
Concrete preparation process of the present invention is as follows:
A) prepare axle, axle material selection 45 steel, preparation flow comprises: rough-cast, annealing in process, forging, stress relief annealing and machined; After above-mentioned processing, make the axle smooth surface, axially divide equally along it some circuluses that distribute;
B) rolling yarn guiding ring, this technique is to adopt the circulus on milling train center roller surface to be rolled processing, to process the yarn guiding ring with groove structure; The breaking down temperature is controlled at 950 ℃-1000 ℃, and finishing temperature is controlled at more than 800 ℃, and the rolling number of times is 3 times; The top width that rear groove structure is processed in rolling is about 1.2-1.3mm, and bottom width is about 0.85-0.95mm, and the degree of depth is about 0.8-0.9mm;
C) spraying preliminary treatment, pretreating process comprises clean and roughening treatment, the groove structure that the processing object is the yarn guiding ring surface; Wherein, the clean mode is Ultrasonic Cleaning, and cleaning fluid is selected acetone, and scavenging period is 5 minutes, after cleaning, with clear water, washes down and dries up; The roughening treatment mode is blasting treatment, the sand material is selected quartz sand, its granularity is the 20-30 order, blasting pressure is 0.8MPa, the sandblast distance is 80mm, and the sandblast angle is 60 °, and the surface roughness of the groove structure after roughening treatment is about 50um, roughening treatment can form on the surface of groove structure scraggly rough surface, thereby improves the bond strength of coating;
D) thermal spraying treatment, thermal spraying treatment process using ceramic rod flame spraying method, in ceramic rod, the granularity of ceramic powder is about 400 orders, flame produces after by oxygen and acetylene mixed combustion, after ceramic rod fusing under the Compressed Gas effect, spray to the surface of groove structure with the form of vaporific little molten drop, form ceramic coating; In thermal spray process, Compressed Gas is selected Ar, and flow is 1200L/h, and pressure is 0.8MPa, and the feeding speed of ceramic rod is about 1.5mm/s, and the thickness of the ceramic coating made is 0.3mm;
E) spraying post processing, the formed ceramic coating of thermal spraying has certain interval, and hole interconnects and extends to matrix from top layer, causes corrosive medium to pass through hole permeating corrosion matrix; Therefore, need to carry out the sealing of hole processing to ceramic coating, when sealing of hole is processed, use spray gun to spray hole sealing agent on the ceramic coating face, hole sealing agent is selected phenolic resins.
The present invention has disclosed a kind of practical traction bottom roll, be characterized in: this traction bottom roll reasonable in design, performance is outstanding, and the groove structure on its yarn guiding ring periphery is easy to process, surface makes yarn guiding ring have good wear-resisting and corrosion resisting property after applying wear-resistant paint; Simultaneously, the cross sectional shape of groove structure is by the trapezoidal circular arc that changes into, and the sudden change between the flank of tooth is controlled, effectively reduces the wearing and tearing of roller and the generation probability of mechanical wave, has improved spinning quality.
The above; it is only the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; the variation that can expect without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (6)
1. a practical traction bottom roll, it is characterized in that, this traction bottom roll comprises axle and yarn guiding ring, both are the integral type structural design, and described yarn guiding ring is distributed on the periphery of axle, and its outer round surface is groove structure, this groove structure adopts rolling mill practice to process, described groove structure top layer applies high-abrasive material, and to form wearing layer, described high-abrasive material is nano-ceramic powder.
2. ABRASION RESISTANCE according to claim 1 is drawn bottom roll, it is characterized in that, the cross section profile of tooth of described groove structure is inverted trapezoidal, and after machined, formed dimensions is: top width is about 1.2-1.3mm, bottom width is about 0.85-0.95mm, and the degree of depth is about 0.8-0.9mm.
3. ABRASION RESISTANCE traction bottom roll according to claim 2, is characterized in that, the wearing layer thickness on described groove structure surface is about 0.25-0.35mm.
4. ABRASION RESISTANCE traction bottom roll according to claim 3, is characterized in that, in described wearing layer, the granularity of nano-ceramic powder is about the 400-450 order.
5. according to the described ABRASION RESISTANCE traction of claim 1 to 4 bottom roll, it is characterized in that, the cross section profile of tooth that described groove structure surface forms after wearing layer becomes circular arc.
6. ABRASION RESISTANCE traction bottom roll according to claim 5, is characterized in that, the moulding process of described wearing layer is the ceramic rod flame spraying method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416729.2A CN103484994A (en) | 2013-09-13 | 2013-09-13 | Practical pulling bottom roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416729.2A CN103484994A (en) | 2013-09-13 | 2013-09-13 | Practical pulling bottom roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103484994A true CN103484994A (en) | 2014-01-01 |
Family
ID=49825563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310416729.2A Pending CN103484994A (en) | 2013-09-13 | 2013-09-13 | Practical pulling bottom roller |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63195575U (en) * | 1987-06-02 | 1988-12-15 | ||
| JPH0280627A (en) * | 1988-09-16 | 1990-03-20 | Toyota Autom Loom Works Ltd | Fluted roller for draft apparatus of spinning machine |
| JPH06272120A (en) * | 1993-03-16 | 1994-09-27 | Toyota Autom Loom Works Ltd | Fluted roller for drafting apparatus for spinning machine |
| US5528799A (en) * | 1993-06-19 | 1996-06-25 | Hoechst Aktiengesellschaft | Thread-guiding component with improved surface |
| JP2004316007A (en) * | 2003-04-15 | 2004-11-11 | Murata Mach Ltd | Draft roller and drafting machine |
| CN201864828U (en) * | 2010-11-25 | 2011-06-15 | 江阴市东杰纺机专件有限公司 | Chrome-plated roller |
| CN102978757A (en) * | 2012-12-03 | 2013-03-20 | 吴江市社翊纺织有限公司 | High-performance traction lower roller |
| CN102978758A (en) * | 2012-12-03 | 2013-03-20 | 吴江市社翊纺织有限公司 | Novel traction bottom roller |
-
2013
- 2013-09-13 CN CN201310416729.2A patent/CN103484994A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63195575U (en) * | 1987-06-02 | 1988-12-15 | ||
| JPH0280627A (en) * | 1988-09-16 | 1990-03-20 | Toyota Autom Loom Works Ltd | Fluted roller for draft apparatus of spinning machine |
| JPH06272120A (en) * | 1993-03-16 | 1994-09-27 | Toyota Autom Loom Works Ltd | Fluted roller for drafting apparatus for spinning machine |
| US5528799A (en) * | 1993-06-19 | 1996-06-25 | Hoechst Aktiengesellschaft | Thread-guiding component with improved surface |
| JP2004316007A (en) * | 2003-04-15 | 2004-11-11 | Murata Mach Ltd | Draft roller and drafting machine |
| CN201864828U (en) * | 2010-11-25 | 2011-06-15 | 江阴市东杰纺机专件有限公司 | Chrome-plated roller |
| CN102978757A (en) * | 2012-12-03 | 2013-03-20 | 吴江市社翊纺织有限公司 | High-performance traction lower roller |
| CN102978758A (en) * | 2012-12-03 | 2013-03-20 | 吴江市社翊纺织有限公司 | Novel traction bottom roller |
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Application publication date: 20140101 |