CN203541494U - Wearable steel ball strengthened by nanometer materials - Google Patents
Wearable steel ball strengthened by nanometer materials Download PDFInfo
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- CN203541494U CN203541494U CN201320478135.XU CN201320478135U CN203541494U CN 203541494 U CN203541494 U CN 203541494U CN 201320478135 U CN201320478135 U CN 201320478135U CN 203541494 U CN203541494 U CN 203541494U
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Abstract
The utility model discloses a wearable steel ball strengthened by nanometer materials. The steel ball comprises a strengthening layer which is formed by inlaying nano-scale ceramic particles in the surface and the subsurface of the steel ball by the method of brushing and coating the nano-scale ceramic particles on the inner wall of a casting mold, and the strengthening layer and a steel substrate in the body of the steel ball form layer structures from outside to inside. The wearable steel ball strengthened by the nanometer materials has the advantages of good anti-impact performance, high wear resistance, high hardness and high corrosion resistance; the wearable steel ball has large impact energy under the same grinding condition, and therefore, grinding efficiency is greatly increased, grinding materials are not polluted, the purity of the grinding materials is ensured, and comprehensive cost is low.
Description
Technical field
The utility model relates to grinding machinery technical field, relates in particular to a kind of nano material reinforced wear-resistant steel ball.
Background technology
Ball mill is one of widely used Super-fine grinder machinery in industrial production.Ball mill steel ball is ball mill equipment grinding material medium, by the collision friction between ball mill steel ball, between steel ball and material, produces ablation, is important base parts and components, and especially accurate industrial ball plays great function in the national economic development.In prior art, mill Jie steel ball of ball mill is mainly ball milling steel-casting or the nodular cast iron parts such as chromium alloy, Mn series alloy, as high chrome ball, low-chrome steel ball, multicomponent alloy steel ball and vanadium-titanium-chromium alloy steel ball etc., its target mostly is cement, coal, ore, cinder etc.According to data and practice, show, in the fatigue loss of mill Jie steel ball, the damage on its top layer of steel ball (as small spot corrosion, the damage of burn into surface fatigue and moulding distortion etc.) is in the great majority.
Utility model content
In order to solve the technical problem existing in background technology, the utility model proposes a kind of nano material reinforced wear-resistant steel ball, realized the abrasive dust operation in ball mill, it has good anti-collision performance, and has high abrasion, high rigidity, corrosion resistant advantage.
A kind of nano material reinforced wear-resistant steel ball the utility model proposes, comprise by brush the mode of nano-grain at casting mould inwall described nano-grain is embedded in to the surface of described steel ball and the strengthening layer that subsurface forms, the steel matrix of described strengthening layer, described steel ball body interior forms layer structure from outside to inside, described strengthening layer from outside to inside on thickness direction size consistent, the particle diameter of described nano-grain is 5nm-80nm.
Preferably, described nano-grain is ceramic particle, and described ceramic particle is one or more in silicon-carbide particle, titanium nitride particles, chromium carbide particle.
Preferably, described nano-grain is uniformly distributed in described strengthening layer, and the volume fraction of described nano-grain in strengthening layer is 24%-35%.
Preferably, described strengthening layer has the strengthening layering of multilayer, described in the above strengthening layering of direction from outside to inside, nano-grain distribution density progressively reduces, and described in every layer of strengthening layering, nano-grain is uniformly distributed, and the volume fraction of described nano-grain in strengthening layer is 30%-40%.
Preferably, the particle diameter of described nano-grain is 5nm-80nm.
Preferably, the particle diameter of described nano-grain is 20nm-40nm.。
Preferably, described steel ball is chromium alloy nodular cast iron balls.
In the utility model, in steel ball casting process, by the mode that nano-grain is brushed at casting mould inwall, nano-grain is embedded in to surface and the subsurface of steel ball, thereby forms strengthening layer on steel ball top layer, this strengthening layer is owing to being distributed with the nano-grain of function admirable, thereby the premium properties that has utilized cleverly nano-grain to have because of small-size effect, and the existence due to nano-scale particle, the motion of steel ball Dislocations is hindered, thereby nanometer technology is applied in the surface modification of steel ball, promote the surface performance of steel ball, therefore, obtained superhigh intensity, high tenacity, wearability is good, high temperature resistant, corrosion-resistant, rigidity advantages of higher, thereby improved significantly the anti-collision performance of steel ball, intensity and anti-wear performance, wherein, nano-grain is existing matured product, the steel ball grinding efficiency of said structure is high, reduces material milling time and cycle-index, has larger Impact energy, thereby greatly improved grinding efficiency under identical grinding condition, pollution-free to grinding material, guaranteed the purity of grinding material, integrated cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of nano material reinforced wear-resistant steel ball that the utility model proposes;
Fig. 2 is the structural representation of the another kind of nano material reinforced wear-resistant steel ball that the utility model proposes.
The specific embodiment
As depicted in figs. 1 and 2, Fig. 1 is the structural representation of a kind of nano material reinforced wear-resistant steel ball that the utility model proposes; Fig. 2 is the structural representation of the another kind of nano material reinforced wear-resistant steel ball that the utility model proposes.
With reference to Fig. 1, in a kind of specific embodiment the utility model proposes, nano material reinforced wear-resistant steel ball has strengthening layer 2, and the steel matrix 1 of strengthening layer 2, described steel ball body interior forms layer structure from outside to inside; Strengthening layer 2 is to form at the surface of steel ball and subsurface embedding nano material granule 3, and wherein, nano-grain 3 is inlayed and is that the mode of nano-grain 3 carries out by brushing at casting mould inwall; Nano-grain 3 is uniformly distributed in described strengthening layer 2; and the volume fraction of described nano-grain 3 in strengthening layer 2 is 39%; described strengthening layer 2 from outside to inside on thickness direction size consistent; described nano-grain 3 is silicon-carbide particle, titanium nitride particles, chromium carbide granulate mixture; the particle diameter of nano-grain 3 is 32nm, and steel ball is chromium alloy nodular cast iron balls.
With reference to Fig. 2, in another kind of specific embodiment, nano material reinforced wear-resistant steel ball has strengthening layer 2, and the steel matrix 1 of strengthening layer 2, described steel ball body interior forms layer structure from outside to inside; Described strengthening layer 2 has the strengthening layering of three layers, be respectively the first strengthening layering 21, the second strengthening layering 22 He three strongest ones hierarchies 23, in direction from outside to inside, described in the first strengthening layering 21, the second strengthening layering 22 He three strongest ones hierarchies 23, nano-grain 3 distribution densities progressively reduce, and described in every layer of strengthening layering, nano-grain 3 is uniformly distributed, and the volume fraction of described nano-grain 3 in strengthening layer 2 is 27%; The first strengthening layering 21, the second strengthening layering 22 He three strongest ones hierarchies 23 from outside to inside on thickness direction size consistent; Described nano-grain 3 is silicon-carbide particle, titanium nitride particles, chromium carbide granulate mixture; in the first strengthening layering 21, the second strengthening layering 22 He three strongest ones hierarchies 23, the particle diameter of nano-grain 3 is 21nm, 37nm, 58nm; it is due in steel ball cooling procedure that above-mentioned particle diameter distributes; progressively in cooling procedure; under cooling power effect; the particle that particle diameter is little is easy to move and cause to top layer, and steel ball is chromium alloy nodular cast iron balls.
In the utility model, in steel ball casting process, by the mode that nano-grain is brushed at casting mould inwall, nano-grain is embedded in to surface and the subsurface of steel ball, thereby forms strengthening layer on steel ball top layer, this strengthening layer is owing to being distributed with the nano-grain of function admirable, thereby the premium properties that has utilized cleverly nano-grain to have because of small-size effect, and the existence due to nano-scale particle, the motion of steel ball Dislocations is hindered, thereby nanometer technology is applied in the surface modification of steel ball, promote the surface performance of steel ball, therefore, obtained superhigh intensity, high tenacity, wearability is good, high temperature resistant, corrosion-resistant, rigidity advantages of higher, thereby improved significantly the anti-collision performance of steel ball, intensity and anti-wear performance, wherein, nano-grain is existing matured product, the steel ball grinding efficiency of said structure is high, reduces material milling time and cycle-index, has larger Impact energy, thereby greatly improved grinding efficiency under identical grinding condition, pollution-free to grinding material, guaranteed the purity of grinding material, integrated cost is low.
The above; it is only the preferably specific embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; according to the technical solution of the utility model and utility model design thereof, be equal to replacement or changed, within all should being encompassed in protection domain of the present utility model.
Claims (6)
1. a nano material reinforced wear-resistant steel ball, it is characterized in that, the mode by brush nano-grain (3) at casting mould inwall of comprising is embedded in the surface of described steel ball and strengthening layer (2) that subsurface forms by described nano-grain (3), the steel matrix (1) of described strengthening layer (2), described steel ball body interior forms layer structure from outside to inside, on thickness direction, size is consistent from outside to inside for described strengthening layer (2), and the particle diameter of described nano-grain (3) is 5nm-80nm.
2. nano material reinforced wear-resistant steel ball according to claim 1, is characterized in that, described nano-grain (3) is ceramic particle, and described ceramic particle is a kind of in silicon-carbide particle, titanium nitride particles, chromium carbide particle.
3. nano material reinforced wear-resistant steel ball according to claim 2, it is characterized in that, described nano-grain (3) is uniformly distributed in described strengthening layer (2), and the volume fraction of described nano-grain (3) in strengthening layer (2) is 24%-35%.
4. nano material reinforced wear-resistant steel ball according to claim 2, it is characterized in that, described strengthening layer (2) has the strengthening layering of multilayer, described in the above strengthening layering of direction from outside to inside, nano-grain (3) distribution density progressively reduces, and described in every layer of strengthening layering, nano-grain (3) is uniformly distributed, and the volume fraction of described nano-grain (3) in strengthening layer (2) is 30%-40%.
5. nano material reinforced wear-resistant steel ball according to claim 1, is characterized in that, the particle diameter of described nano-grain (3) is 20nm-40nm.
6. according to the nano material reinforced wear-resistant steel ball described in claim 1-5 any one, it is characterized in that, described steel ball is chromium alloy nodular cast iron balls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320478135.XU CN203541494U (en) | 2013-08-06 | 2013-08-06 | Wearable steel ball strengthened by nanometer materials |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320478135.XU CN203541494U (en) | 2013-08-06 | 2013-08-06 | Wearable steel ball strengthened by nanometer materials |
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| Publication Number | Publication Date |
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| CN203541494U true CN203541494U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320478135.XU Expired - Lifetime CN203541494U (en) | 2013-08-06 | 2013-08-06 | Wearable steel ball strengthened by nanometer materials |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357853A (en) * | 2013-08-06 | 2013-10-23 | 宁国市华丰耐磨材料有限公司 | Strengthened abrasion proof steel ball made of nano materials |
| CN106609795A (en) * | 2015-10-21 | 2017-05-03 | 刘嵘 | Hard alloy ball and preparation method thereof |
| CN110242851A (en) * | 2019-06-16 | 2019-09-17 | 南通市精艺钢球有限公司 | It is not easy the steel ball corroded |
-
2013
- 2013-08-06 CN CN201320478135.XU patent/CN203541494U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357853A (en) * | 2013-08-06 | 2013-10-23 | 宁国市华丰耐磨材料有限公司 | Strengthened abrasion proof steel ball made of nano materials |
| CN106609795A (en) * | 2015-10-21 | 2017-05-03 | 刘嵘 | Hard alloy ball and preparation method thereof |
| CN110242851A (en) * | 2019-06-16 | 2019-09-17 | 南通市精艺钢球有限公司 | It is not easy the steel ball corroded |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20140416 |
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| CX01 | Expiry of patent term |