CN207655648U - A kind of cold rolling acid milling train pulling-straightening roller of wear-resistant resistance to cracking - Google Patents
A kind of cold rolling acid milling train pulling-straightening roller of wear-resistant resistance to cracking Download PDFInfo
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- CN207655648U CN207655648U CN201721630424.1U CN201721630424U CN207655648U CN 207655648 U CN207655648 U CN 207655648U CN 201721630424 U CN201721630424 U CN 201721630424U CN 207655648 U CN207655648 U CN 207655648U
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- straightening roller
- milling train
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Abstract
The utility model discloses a kind of cold rolling acid milling train pulling-straightening rollers of wear-resistant resistance to cracking, are related to a kind of sour milling train pulling-straightening roller of cold rolling mill, including straightening roller body, the surface of the straightening roller body are provided with a nanometer protective layer.The cold rolling acid milling train pulling-straightening roller for resistance to cracking that the utility model is wear-resistant; by the way that the layer protective layer being made of nano material is arranged on the surface of sour milling train straightening roller body; its service life was increased to 90 days or more by original 57 days; it is significantly longer than the service life of sour milling train pulling-straightening roller in the prior art; allow the sour prolonged continue working of milling train pulling-straightening roller; production cost is reduced, is improved work efficiency, the defect of the prior art is improved.
Description
Technical field
The utility model is related to a kind of sour milling train pulling-straightening rollers of flat cold-rolled sheet factory, more particularly to a kind of wear-resistant resistance to cracking
Cold rolling acid milling train pulling-straightening roller.
Background technology
Cold-strip steel often generates oxide on strip surface due to various reasons and influences in rolling, cooling procedure
Strip quality, therefore, to eliminate these oxides, cold-strip steel need to carry out pickling on pickling line.Strip passes through in sour milling train
The multiple effect for crossing staggered pulling-straightening roller, makes oxide existing for initial surface be removed through overpickling.Therefore, pulling-straightening roller
Function directly influences the product quality of strip.
And in the actual production process, since non-uniform temperature field generates stress in pulling-straightening roller working environment, with roller
The rotation of son, temperature field duration change, and stress also changes correspondingly, and roll surface temperature is higher, and decrease of fatigue strength is drawn therefrom
Hair roller surfaces generate cracking because of fatigue, meanwhile, pulling-straightening roller is acted on while strip pickling by mechanical stress, roll surface
Generation is seriously worn, and not only influences the quality of strip, also seriously affects the service life of pulling-straightening roller, the straightening of reset condition
The service life of roller is 5-7 days.Existing solution is：The wear-resisting property of roll surface is improved in roll surface build-up wear-resistant material,
To improve the service life of roller, but the method not only high cost, roll surface wearing, cracking etc. can not be solved well asks
Topic, layer are easy to peel off.In conclusion existing acid milling train pulling-straightening roller produces poor product quality, production cost is high, service life
The defects of short.
Utility model content
The utility model is exactly to solve the above-mentioned problems, the sour milling train pulling-straightening roller of cold rolling mill in the prior art to be overcome to be deposited
Defect, a kind of cold rolling acid milling train pulling-straightening roller of wear-resistant resistance to cracking is provided.
To achieve the above object, the utility model uses following technical scheme：
The utility model provides a kind of cold rolling acid milling train pulling-straightening roller of wear-resistant resistance to cracking, including straightening roller body, institute
The surface for stating straightening roller body is provided with a nanometer protective layer.
Further, on the cold rolling acid milling train pulling-straightening roller of the wear-resistant resistance to cracking, the nanometer protective layer is gold
Belong to ceramic composite.
It is further preferred that on the cold rolling acid milling train pulling-straightening roller of the wear-resistant resistance to cracking, the nanometer protective layer
The surface of the strong roller body is sprayed on using supersonic velocity flame plating equipment.
Further, described to use supersonic flame on the cold rolling acid milling train pulling-straightening roller of the wear-resistant resistance to cracking
The speed of spraying equipment spraying is 1100-1300m/s.
Further, on the cold rolling acid milling train pulling-straightening roller of the wear-resistant resistance to cracking, the thickness of the nanometer protective layer
Degree is 130-180 μm.
Further, on the cold rolling acid milling train pulling-straightening roller of the wear-resistant resistance to cracking, the length of the straightening roller body
Degree is 1.45-2.5 meters.
The utility model is had the following technical effect that compared with prior art using above-mentioned technical proposal：
The cold rolling acid milling train pulling-straightening roller of the wear-resistant resistance to cracking of the utility model, passes through the table in sour milling train straightening roller body
The layer protective layer being made of nano material is arranged in face, and service life was significantly longer than sour in the prior art up to 90 days or more
The service life of milling train pulling-straightening roller so that sour milling train pulling-straightening roller can prolonged continue working, reduce production cost, improve
Working efficiency, improves the defect of the prior art.
Description of the drawings
Fig. 1 is the structural schematic diagram of the cold rolling acid milling train pulling-straightening roller of the wear-resistant resistance to cracking of an embodiment；
Fig. 2 is that the structure of nanometer protective layer on the cold rolling acid milling train pulling-straightening roller of the wear-resistant resistance to cracking of a preferred embodiment is shown
It is intended to；
Wherein, each reference numeral is：100- straightening roller bodies, 200- nanometers of protective layers, 300- intermediate layers, 400- gold
Belong to bottom.
Specific implementation mode
The utility model is described in more detail below by specific embodiment, for a better understanding of this reality
With novel, but following embodiments are not intended to limit the scope of the utility model.
As shown in Figure 1, the utility model embodiment provides a kind of cold rolling acid milling train pulling-straightening roller of wear-resistant resistance to cracking, packet
Straightening roller body 100 is included, the length of straightening roller body is 1.45-2.5 meters, and straightening roller body 100 is set on sour milling train, effect
In flat cold-rolled sheet, surface is easy to wear, is cracked, and one layer of nanometer protective layer is arranged on the surface of the straightening roller body 100 of sour milling train
200。
It prepares nanometer using different original materials, technology according to the use demand of pulling-straightening roller in practical applications and applies
Layer resists the failure under operating condition to reach the synthesis performance for drawing sedan-chair machine.This nanometer of protective layer 200 have it is wear-resistant,
Crack resistance energy can make making for straightening roller body 100 after the surface of straightening roller body 100 is plus nanometer protective layer 200
Reached 90 days or more with the period, is significantly longer than the service life of sour milling train pulling-straightening roller in the prior art so that sour milling train pulling-straightening roller
Can prolonged continue working, reduce production cost, improve work efficiency.
As another preferred embodiment of the present invention, as shown in Fig. 2, the cold rolling acid milling train straightening of the wear-resistant resistance to cracking
Roller further includes the metal back layer 400 for being sprayed on 100 surface of straightening roller body successively, intermediate layer 300, nanometer protective layer 200
Upper surface coated in intermediate layer 300, intermediate layer 300 are coated in 400 upper surface of metal back layer, metal back layer 400
Using the Ni sills including Ni, Cr, Al, thickness is 80-100 μm, if the trade mark is 0Cr17Ni7Al materials；Intermediate layer
300 uses include the Ni sills of Ni, Cr, Al, W, and thickness is 50-80 μm, such as Ni-Al-Hf-Cr-W systems alloy material, sheet
Ni sills employed in utility model are commercially available.
On the cold rolling acid milling train pulling-straightening roller of wear-resistant resistance to cracking provided by the present invention, this nanometer of protective layer uses supersonic speed
Flame spray device is sprayed on the surface of strong roller body, and the speed of spraying is 1100-1300m/s, preferably 1150-1200m/s；
The thickness of the nanometer protective layer sprayed is 130-180 μm, preferably 140-160 μm.Nanometer protective layer generally uses supersonic speed
Chromic oxide-based ceramic composite is sprayed, based on chromium oxide, the ternary system composite powder containing autoxidation silicon and titanium oxide melts
Point is 2300 DEG C, and powder deposition is high, good with the bond strength of matrix, and coating consistency is high, there is higher abrasion resistance properties.It is logical
The control for crossing process conditions reaches high-bond with base material, and the technological parameter of spraying includes the ratio of oxygen and nitrogen and total stream
The temperature control of amount, the flow of kerosene stock, powder supply rate and carrier gas condition, spray distance, spray angle and matrix, this practicality are new
Type prepares high-performance nano coating using supersonic flame spraying method, and being formed by coating has wear-resistant, resistance to cracking, makes
The advantages that with long lifespan.
Specific embodiment of the utility model is described in detail above, but it is intended only as example, this practicality is new
Type is not restricted to particular embodiments described above.To those skilled in the art, any that the utility model is carried out
Equivalent modifications and substitute also all among the scope of the utility model.Therefore, in the spirit and model for not departing from the utility model
Impartial conversion and modification made by under enclosing, should all cover in the scope of the utility model.
Claims (5)
1. a kind of cold rolling acid milling train pulling-straightening roller of wear-resistant resistance to cracking, including straightening roller body, which is characterized in that the pulling-straightening roller
The surface of ontology is provided with a nanometer protective layer.
2. the cold rolling acid milling train pulling-straightening roller of wear-resistant resistance to cracking according to claim 1, which is characterized in that the nanometer is protected
Sheath is ceramic-metal composite.
3. the cold rolling acid milling train pulling-straightening roller of wear-resistant resistance to cracking according to claim 1 or 2, which is characterized in that described to receive
Rice protective layer is sprayed on the surface of the strong roller body using supersonic velocity flame plating equipment.
4. the cold rolling acid milling train pulling-straightening roller of wear-resistant resistance to cracking according to claim 1, which is characterized in that the nanometer is protected
The thickness of sheath is 130-180 μm.
5. the cold rolling acid milling train pulling-straightening roller of wear-resistant resistance to cracking according to claim 1, which is characterized in that the pulling-straightening roller
The length of ontology is 1.45-2.5 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721630424.1U CN207655648U (en) | 2017-11-29 | 2017-11-29 | A kind of cold rolling acid milling train pulling-straightening roller of wear-resistant resistance to cracking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721630424.1U CN207655648U (en) | 2017-11-29 | 2017-11-29 | A kind of cold rolling acid milling train pulling-straightening roller of wear-resistant resistance to cracking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207655648U true CN207655648U (en) | 2018-07-27 |
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ID=62946707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721630424.1U Active CN207655648U (en) | 2017-11-29 | 2017-11-29 | A kind of cold rolling acid milling train pulling-straightening roller of wear-resistant resistance to cracking |
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| Country | Link |
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| CN (1) | CN207655648U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931338A (en) * | 2017-11-29 | 2018-04-20 | 上海英佛曼纳米科技股份有限公司 | A kind of cold rolling acid milling train pulling-straightening roller of wear-resistant resistance to cracking |
| CN110923607A (en) * | 2019-12-27 | 2020-03-27 | 上海英佛曼纳米科技股份有限公司 | Cold rolling loop roller with wear-resistant and roughness-reduction-resistant nano coating |
-
2017
- 2017-11-29 CN CN201721630424.1U patent/CN207655648U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931338A (en) * | 2017-11-29 | 2018-04-20 | 上海英佛曼纳米科技股份有限公司 | A kind of cold rolling acid milling train pulling-straightening roller of wear-resistant resistance to cracking |
| CN107931338B (en) * | 2017-11-29 | 2024-07-09 | 上海英佛曼纳米科技股份有限公司 | Wear-resistant and crack-resistant withdrawal and straightening roller of cold rolling acid rolling mill |
| CN110923607A (en) * | 2019-12-27 | 2020-03-27 | 上海英佛曼纳米科技股份有限公司 | Cold rolling loop roller with wear-resistant and roughness-reduction-resistant nano coating |
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