CN104084271B - Long-life wear-resistant steel ball - Google Patents
Long-life wear-resistant steel ball Download PDFInfo
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- CN104084271B CN104084271B CN201410326079.7A CN201410326079A CN104084271B CN 104084271 B CN104084271 B CN 104084271B CN 201410326079 A CN201410326079 A CN 201410326079A CN 104084271 B CN104084271 B CN 104084271B
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Abstract
The invention discloses a long-life wear-resistant steel ball. The long-life wear-resistant steel ball comprises a steel ball body, wherein the steel ball body is an ellipsoid, of which the oblateness is smaller than 0.05, two grooves are formed in the surface of the steel ball body and encircle the steel ball body, one groove is parallel to a major axis of the steel ball body, the other groove is parallel to a minor axis of the steel ball body, the width of each of the two grooves gradually increases from groove intersections to positions away from the groove intersections and gradually increases along with depth increase; the steel ball body comprises a wear-resistant coating and a steel base body, wherein the wear-resistant coating and the steel base body form a layered structure from outside to inside, the wear-resistant coating is formed through superimposing multiple wear-resistant coating layers, each wear-resistant coating layer is made from a TiC material in a material vapor deposition manner, and the size of the TiC material of each wear-resistant coating layer gradually increases from outside to inside and is gradually transitioned to a micron-scale TiC material from a nano-scale TiC material. The wear-resistant steel ball has the advantages of good milling efficiency and long service life.
Description
Technical field
The present invention relates to grinding machinery technical field, particularly relate to a kind of high life abrasion-proof steel ball.
Background technology
Ball mill is one of widely used Super-fine grinder machinery in commercial production.Ball mill steel ball is that ball mill sets
Standby grinding material medium, produces grinding by the collision friction between ball mill steel ball, between steel ball and material
Effect, is important base parts and components, and especially accurate industrial ball plays huge in the national economic development
Effect.Abrasion-proof steel ball usage quantity commercially is the hugest, the abrasion-proof steel ball used in prior art
Generally spherical steel ball, can only carry out clashing into and grinding in motor process in the way of point cantact, and efficiency is relatively
Low, meanwhile, in process of lapping, the temperature and the violent friction that produce due to collision make abrasion-proof steel ball table
Layer is prone to damage, shortens the service life of abrasion-proof steel ball.
Summary of the invention
In order to solve technical problem present in background technology, the present invention proposes a kind of high life abrasion-proof steel ball,
Achieving the abrasive dust operation in ball mill, it has good grinding efficiency, not easy damaged, service life
Long.
A kind of high life abrasion-proof steel ball that the present invention proposes, including steel ball body, described steel ball body is ellipsoid
Body and its ellipticity are less than 0.05, and the top layer of described steel ball body is provided with twice groove and the equal cincture of twice groove
Described steel ball body, one groove is parallel to the major axis of described steel ball body and another road groove is parallel to described
The short axle of steel ball body, from groove intersection to away from groove intersection, twice groove groove width is all gradually increased,
The groove width of twice groove is all gradually increased with the increase of the degree of depth；Described steel ball body includes wear-resistant coating and base steel
Body, wear-resistant coating and steel matrix form layer structure from outside to inside, and described wear-resistant coating is coated with by multi-layer wear-resistant time
Layer is formed by stacking, and described wear-resisting secondary coating is that TiC material uses material vapour deposition mode to be formed, from outward to
In in each wear-resisting secondary coating TiC scantling be gradually increased and be micron from nanoscale TiC material gradually transition
Level TiC material.
In technique scheme, it is spheroid by steel ball body design, sets at this surface layer of steel ball meanwhile
It is equipped with groove so that during steel ball working, the mode of point cantact is changed into micro-contact and linear contact lay,
Add the shock surface of steel ball, thus increase the stress surface of material, and the thing that recess-mounted is bigger can be passed through
Material, utilizes material to be ground material, improves grinding efficiency and can extend the service life of steel ball；Will
Twice groove is provided around the form of steel ball body, and meanwhile, one groove is parallel to described steel ball body
Major axis and another road groove are parallel to the short axle of described steel ball body, such that it is able to substantially efficiently utilize groove,
Groove is designed as from groove intersection to away from groove intersection, the shape that twice groove groove width is all gradually increased
Formula, advantageously plays a role in process of lapping in groove, owing to the groove width of twice groove is all with the degree of depth
Increase and be gradually increased so that channel section presents trapezoidal, such that it is able to while effectively inlaying material, prevent thing
Material deposits in a groove；The design of wear-resistant coating can improve steel ball impact resistance in collision process,
And the abrasive resistance of steel ball can be promoted, thus improve the service life of steel ball, the most each wear-resisting secondary coating
Middle TiC scantling is gradually increased and is micron order TiC material from nanoscale TiC material gradually transition, fills
Divide and consider the feature that steel ball top layer in the course of the work is prone to wear out, improve the service efficiency of wear-resistant coating.
Preferably, the thickness of described wear-resistant coating is 40-60 μm.
Preferably, the thickness of described wear-resisting secondary coating is 4-8 μm.
Preferably, from outside to inside, the thickness of each wear-resisting secondary coating is gradually reduced.
Preferably, the ellipticity of described steel ball body is 0.02-0.04.
In the present invention, by the shape of steel ball and structure are optimized, improve the grinding effect of steel ball
Rate, and make steel ball injury resistant ability in the course of the work strong and there is longer service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high life abrasion-proof steel ball that the present invention proposes；
Fig. 2 is the schematic cross-section of Fig. 1.
Detailed description of the invention
As it is shown in figure 1, the structural representation of a kind of high life abrasion-proof steel ball that Fig. 1 is the present invention to be proposed；Fig. 2
Schematic cross-section for Fig. 1.
With reference to Fig. 1-2, in a kind of specific embodiment that the present invention proposes, a kind of high life abrasion-proof steel ball, including
Steel ball body 1, steel ball body 1 is 0.03 for spheroid and its ellipticity, and the top layer of steel ball body 1 is provided with
Twice groove 2 and twice groove 2 are all around steel ball body 1, and one groove 2 is parallel to the length of steel ball body 1
Axle and another road groove 2 are parallel to the short axle of steel ball body 1, from groove 2 intersection to away from groove 2 phase
At friendship, twice groove 2 groove width is all gradually increased, and the groove width of twice groove 2 all gradually increases with the increase of the degree of depth
Greatly；Steel ball body 1 includes wear-resistant coating 4 and steel matrix 5, wear-resistant coating 4 and steel matrix 5 shape from outside to inside
Layered structure, wear-resistant coating 4 is formed by stacking by multi-layer wear-resistant secondary coating 3, and wear-resisting secondary coating 3 is TiC
Material use material vapour deposition mode formed, in the most each wear-resisting secondary coating 3 TiC scantling by
Cumulative add and be micron order TiC material, wherein, wear-resistant coating 4 from nanoscale TiC material gradually transition
Thickness is 40-60 μm, and the thickness of wear-resisting secondary coating 3 is 4-8 μm.
In the present embodiment, steel ball body 1 is designed as spheroid, arranges on steel ball body 1 top layer meanwhile
Fluted 2 so that during steel ball working, the mode of point cantact it is changed into micro-contact and linear contact lay, increases
Add the shock surface of steel ball, thus increased the stress surface of material, and bigger thing can have been inlayed by groove 2
Material, utilizes material to be ground material, improves grinding efficiency and can extend the service life of steel ball；Will
Twice groove 2 is provided around the form of steel ball body 1, and meanwhile, one groove 2 is parallel to steel ball body 1
Major axis and another road groove 2 be parallel to the short axle of steel ball body 1, such that it is able to substantially efficiently utilize recessed
Groove 2, is designed as groove 2 from groove 2 intersection to away from groove 2 intersection, and twice groove 2 groove width is equal
The form being gradually increased, advantageously plays a role in process of lapping in groove 2, due to twice groove 2
Groove width be all gradually increased so that groove 2 cross section presents trapezoidal with the increase of the degree of depth, such that it is able to effectively inlay
While material, prevent material from depositing in groove 2；The design of wear-resistant coating 4 can improve steel ball and touch
Impact resistance during hitting, and the abrasive resistance of steel ball can be promoted, thus improve the service life of steel ball,
In the most each wear-resisting secondary coating 3, TiC scantling is gradually increased and from nanoscale TiC material gradually mistake
Cross as micron order TiC material, taken into full account the feature that steel ball top layer in the course of the work is prone to wear out, carried
The high service efficiency of wear-resistant coating 4.
In further design, from outside to inside, the thickness of each wear-resisting secondary coating 3 is gradually reduced, thus accords with
Close worn steel ball characteristic, improve the utilization ratio of wear-resistant coating 4 further.
To sum up, in the above-described embodiments, by the shape of steel ball and structure are optimized, improve steel
The grinding efficiency of ball, and make steel ball injury resistant ability in the course of the work strong and there is longer service life.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention not office
Being limited to this, any those familiar with the art is in the technical scope that the invention discloses, according to this
The technical scheme of invention and inventive concept thereof in addition equivalent or change, all should contain the protection in the present invention
Within the scope of.
Claims (4)
1. a high life abrasion-proof steel ball, it is characterised in that include steel ball body (1), described steel ball body
(1) being spheroid and its ellipticity is 0.02-0.04, the top layer of described steel ball body (1) is provided with twice
Groove (2) and twice groove (2) are all around described steel ball body (1), and one groove (2) is parallel to institute
State the major axis of steel ball body (1) and another road groove (2) be parallel to the short axle of described steel ball body (1),
From groove (2) intersection to away from groove (2) intersection, twice groove (2) groove width is all gradually increased,
The groove width of twice groove (2) is all gradually increased with the increase of the degree of depth；Described steel ball body (1) includes wear-resisting
Coating (4) and steel matrix (5), wear-resistant coating (4) and steel matrix (5) form layer structure from outside to inside,
Described wear-resistant coating (4) is formed by stacking by multi-layer wear-resistant secondary coating (3), and described wear-resisting secondary coating (3) is
TiC material uses material vapour deposition mode to be formed, TiC material in the most each wear-resisting secondary coating (3)
Size is gradually increased and is micron order TiC material from nanoscale TiC material gradually transition.
High life abrasion-proof steel ball the most according to claim 1, it is characterised in that described wear-resistant coating (4)
Thickness be 40-60 μm.
High life abrasion-proof steel ball the most according to claim 1, it is characterised in that described wear-resisting secondary coating
(3) thickness is 4-8 μm.
High life abrasion-proof steel ball the most according to claim 1, it is characterised in that from outside to inside, each resistance to
The thickness of mill secondary coating (3) is gradually reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326079.7A CN104084271B (en) | 2014-07-09 | 2014-07-09 | Long-life wear-resistant steel ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326079.7A CN104084271B (en) | 2014-07-09 | 2014-07-09 | Long-life wear-resistant steel ball |
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| Publication Number | Publication Date |
|---|---|
| CN104084271A CN104084271A (en) | 2014-10-08 |
| CN104084271B true CN104084271B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410326079.7A Active CN104084271B (en) | 2014-07-09 | 2014-07-09 | Long-life wear-resistant steel ball |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU772582A1 (en) * | 1979-02-08 | 1980-10-23 | Предприятие П/Я В-8597 | Grinding body |
| CN202052593U (en) * | 2011-04-29 | 2011-11-30 | 周亭芩 | Grinding ball for grinding powder coal |
| CN202113909U (en) * | 2011-04-29 | 2012-01-18 | 周亭芩 | Grinding ball with reinforcing ribs |
| 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 |
| CN203253490U (en) * | 2013-04-19 | 2013-10-30 | 吉林省电力有限公司电力科学研究院 | Steel ball with slots |
| CN103447124A (en) * | 2013-08-28 | 2013-12-18 | 宁国市华丰耐磨材料有限公司 | Wear-resistant steel ball |
| CN204017934U (en) * | 2014-07-09 | 2014-12-17 | 宁国东方碾磨材料股份有限公司 | A kind of high life abrasion-proof steel ball |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2331063A1 (en) * | 2000-01-10 | 2001-07-10 | Stelco Inc. | A stress relieved grinding ball having hard outer shell |
-
2014
- 2014-07-09 CN CN201410326079.7A patent/CN104084271B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU772582A1 (en) * | 1979-02-08 | 1980-10-23 | Предприятие П/Я В-8597 | Grinding body |
| CN202052593U (en) * | 2011-04-29 | 2011-11-30 | 周亭芩 | Grinding ball for grinding powder coal |
| CN202113909U (en) * | 2011-04-29 | 2012-01-18 | 周亭芩 | Grinding ball with reinforcing ribs |
| CN203253490U (en) * | 2013-04-19 | 2013-10-30 | 吉林省电力有限公司电力科学研究院 | Steel ball with slots |
| 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 |
| CN103447124A (en) * | 2013-08-28 | 2013-12-18 | 宁国市华丰耐磨材料有限公司 | Wear-resistant steel ball |
| CN204017934U (en) * | 2014-07-09 | 2014-12-17 | 宁国东方碾磨材料股份有限公司 | A kind of high life abrasion-proof steel ball |
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| Publication number | Publication date |
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| CN104084271A (en) | 2014-10-08 |
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Denomination of invention: A high life wear-resistant steel ball Effective date of registration: 20210820 Granted publication date: 20170111 Pledgee: China Construction Bank Corporation Ningguo sub branch Pledgor: NINGGUO DONGFANG MILLING MATERIAL Co.,Ltd. Registration number: Y2021980008030 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220819 Granted publication date: 20170111 Pledgee: China Construction Bank Corporation Ningguo sub branch Pledgor: NINGGUO DONGFANG MILLING MATERIAL CO.,LTD. Registration number: Y2021980008030 |