CN105772156A - Roller and rolling device thereof - Google Patents
Roller and rolling device thereof Download PDFInfo
- Publication number
- CN105772156A CN105772156A CN201610303388.1A CN201610303388A CN105772156A CN 105772156 A CN105772156 A CN 105772156A CN 201610303388 A CN201610303388 A CN 201610303388A CN 105772156 A CN105772156 A CN 105772156A
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- CN
- China
- Prior art keywords
- roller
- component
- matrix
- arbitrary
- rib
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005096 rolling process Methods 0.000 title description 12
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000011159 matrix material Substances 0.000 claims description 53
- 238000000034 method Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000000227 grinding Methods 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 230000035939 shock Effects 0.000 description 6
- 235000019738 Limestone Nutrition 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000006028 limestone Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
- B02C4/305—Wear resistant rollers
Abstract
The invention provides a roller which comprises a base body, wherein the base body is provided with components; the components are axially and continuously arranged inside the base body; and the components are different materials which are alternately arranged. According to the invention, the roller is protected, the service life of the roller is prolonged, the high squeezing grinding efficiency is guaranteed, the impact load is reduced, and a device is enabled to operate more steadily.
Description
Technical field
The present invention relates to a kind of roller for grinding or pulverizing, further relate to include the rolling device of this roller.
Background technology
Roller is usually and is used in rolling device, is used for grinding or comminuting matter.It it is the protruding realization utilizing and being arranged on roller matrix surface when usual roller crushing material.
Projection in existing equipment arranges several stud higher than matrix surface mainly by matrix surface, has interval, carry out pressing materials by stud between stud and stud, to reach the effect of grinding or comminuting matter.But, stud roller one-pass finished rate when extruding or comminuting matter is not high, and additionally the service life of stud roller is not long, and the wear extent of roller is big.
CN204194013A discloses a kind of roller, and it arranges rib on matrix, and described rib is made up of projection close-packed arrays, and projection is axially consecutive at roller.It is effectively improved one-pass finished rate during roller crushing material by such design.But, the service life of roller and rolling equipment and service efficiency need to be improved further.
Summary of the invention
It is an object of the invention to provide a kind of roller improving service efficiency and service life and rolling equipment.
It is an object of the invention to be achieved through the following technical solutions:
A kind of roller, including matrix, matrix is provided with component, and component is axially consecutive setting in matrix, and described component is staggered by different materials.Different materials of the present invention refers to different component different structure or the material with component different model etc., it is possible to be the identical material difference trade mark, it is also possible to be the material of unlike material.Such as, the material such as hard alloy K01 and K20, ferrum and steel；Arrangement can have various arrangement to combine, such as K01-K20-K01-K20-K01, K20-K01-K01-K20, ferrum-steel-ferrum-steel-ferrum or ferrum-steel-steel-ferrum etc. etc..Take full advantage of the difference between material, it is to avoid the wear rib of roller causes component to arch upward because of expanded by heating in extruding work, come off, the phenomenon such as fracture occurs, and protects roller, extends the service life of roller, and high extruding mill efficiency is ensured.And reduce impact load, make equipment run more steady.
Gap can be had, it is also possible to gapless between the component of above-mentioned different materials.
Preferably, component is identical at the height of matrix upper process.Gapless between component.Effectively utilize the coefficient of thermal expansion differences of storeroom so that thermal expansion is cushioned, it is to avoid the generation of roller wear rib premature failure, it is ensured that the long-time normal operation of roller.
Preferably, or/and be provided with gap in component between component.The spacing in above-mentioned gap can be < 10mm, 10～< 20mm, 20～50mm.Control the spacing in gap, it may be achieved for the different demands of granule size.Such as different materials, the particle diameter of the grinding product that different spacing reaches is as follows:
Table 1
| Process material | Colliery | Iron mine | Limestone mine |
| Spacing 10mm | ≤8mm | ≤10mm | ≤6mm |
| Spacing 10～< 20mm | ≤16mm | ≤20mm | ≤15mm |
| Spacing 20～50mm | ≤45mm | ≤50mm | ≤40mm |
On roller circumference, above-mentioned gap can be crisscross arranged in (i.e. the not same cross section on roller circumference, gap), it is also possible in same cross section.Preferred gap not on the same cross section of roller circumference, comminuting matter is in hgher efficiency in extruding, squeezing effect more preferably.
In order to improve roller service life further, avoiding component cracking along the direction of roller matrix surface, above-mentioned matrix is provided with groove, and wear-out part is positioned at groove simultaneously.Described groove can be a groove axially, it is also possible to be multiple-grooved obstructed each other.
Preferably, described component is positioned at groove with embedded mode.Described embedding can be interference fit, it is also possible to for matched in clearance, described matched in clearance can be fixing by metal adhesive bonding or welding manner connects fixing.Be preferably the matched in clearance that metal-to-metal adhesive binding agent bonding is fixing, this cooperation in technique relatively interference fit realize well, it also avoid groove and expand with heat and contract with cold the impact on connecting portion.
In order to improve service life further, the bottom width of described component is not less than the width of component and roll surface intersection.Even if component breaks on roller diameter direction, nor affect on the use of roller.
In order to improve service life further, the cross sectional shape of described component can be rectangle, trapezoidal, L-shaped, T-shaped, convex etc..Preferred cross-sections is shaped as trapezoidal, even if having abrasion to be not easy to come off in handling ease, use.
In order to improve the wearability of roller further, described component exceeds the height of roll surface and accounts for the 5%～50% of component whole height.Improve wearability and service life simultaneously.
In order to improve the service life of roller further, the component being in same groove exceeds the highly consistent of matrix roll surface.
Above-mentioned component can be interrupted or continual in-line, zigzag, herringbone, arc etc. in the shape that matrix surface arrangement is formed.It is preferably in-line, is beneficial to processing groove and component, effectively reduces cost.
In order to improve one-pass finished rate during roller crushing material further, being provided with rib at the two ends of described roller, described rib is between circumferentially-adjacent component.As preferably, described rib is a part for matrix, and rib and rib contour, improve further one-pass finished rate.
Above-mentioned component can be one or more dimensions, it is possible to composition any width, reduces purchase cost, reduces mould and takes, and enhances versatility and the interchangeability of projection.
In the present invention, described roller can be the monoblock type roller that roll shaft and matrix be integrated, it is also possible to be roll shaft and composite roll that matrix is two parts.
Beneficial effect
1. the present invention is when ensureing one-pass finished rate (20%～30%), reduces and grinds impact load to roller, and reduction rate can reach 10-40%, is effectively guaranteed the even running of equipment and for the loss of the parts such as bearing.
2. the present invention further increases service life and the wearability of roller.Service life can improve about 10%, it is possible to reaches 16000～22000 hours, and wear extent reduces 5-15%, and uses wear extent after 2100 hours to be only 2.3mm.
Accompanying drawing explanation
The structural representation of Fig. 1 roller of the present invention, 1-component, 9-matrix；
The structural representation of Fig. 2 roller members arrangement of the present invention, 12-component 1,13-component 2；
The structural representation of Fig. 3 roller members arrangement of the present invention, 12-component 1,13 is-component 2,2-projection, 3-gap；
The schematic shapes that the component of Fig. 4 present invention is formed at roll surface；
Fig. 5 groove of substrate axial, cross-sectional view of the present invention, 4-groove, 5-shelves limit, 9-matrix；
Fig. 6 roller roll surface top view (being crisscross arranged at roller circumferential gaps) of the present invention, 2-projection, 3-gap；；
Fig. 7 roller of the present invention roll surface top view (at roller circumferential gaps in same cross section), 2-projection, 3-gap；
The circumferential cross-section schematic shapes of the component of Fig. 8 present invention.
The axial cross section schematic shapes of the component of Fig. 9 present invention.
Detailed description of the invention
Introduce the present invention following by the embodiment shown in accompanying drawing, but the invention is not limited in the embodiment introduced, any improvement on the present embodiment essence spirit or replacement, still fall within the claims in the present invention scope required for protection.
Embodiment 1
A kind of roller, includes matrix, and matrix is provided with component, and component is axially consecutive setting in matrix, and component is staggered by different materials.This roller is used for the rolling device such as roll squeezer, Vertical Mill.
Service life when this is designed to be effectively improved roller crushing material and service efficiency.
Adopting the roller of the present embodiment, its yield rate rises to 22%, rises to service life 16000 hours, uses the wear extent of 2100 hours to be reduced to 2.3mm.
With the shock loading kurtosis 225MPa～250MPa of axial gapless roller for benchmark, the present embodiment kurtosis is 132-220MPa, and equipment runs more steady.
Embodiment 2
A kind of roller, includes matrix, and matrix is provided with component, and component is axially consecutive setting in matrix, and the component 1 of different materials and component 2 are staggered setting, and the height that component is positioned at matrix upper process is identical.Gapless between component.As shown in Figure 2.This roller is used for the rolling device such as roll squeezer, Vertical Mill.Service life when this is designed to be effectively improved roller crushing material and service efficiency.
Adopting the roller of the present embodiment, its yield rate rises to 22%, rises to service life 17000 hours, uses the wear extent of 2100 hours to be reduced to 2.3mm.
With the shock loading kurtosis 225MPa～250MPa of axial gapless roller for benchmark, the present embodiment kurtosis is 132-220MPa, and equipment runs more steady.
The particle diameter of the grinding product of different material is as follows:
| Process material | Colliery | Iron mine | Limestone mine |
| Spacing < 10mm | ≤8mm | ≤10mm | ≤6mm |
| Spacing 10～< 20mm | ≤16mm | ≤20mm | ≤15mm |
| Spacing 20～50mm | ≤45mm | ≤50mm | ≤40mm |
Embodiment 3
A kind of roller, includes matrix, and matrix is provided with component, and component is axially consecutive setting in matrix, and component 1 (hard alloy) and the component 2 (42CrMo) of different materials are crisscross arranged, and are provided with gap 3 between component.As shown in Figure 3.The spacing in gap is 4mm.
Described component is be connected by the groove arranged on matrix with matrix, and described component is positioned at groove by the mode embedded.Described groove be a groove axially (as Fig. 5-a b c).The gap of component is crisscross arranged (such as Fig. 6) at roller circumferential gaps.
The bottom width L4 of component is not less than the width L3 of component and roll surface intersection, and it is 5mm that described component exceeds the height L1 of roll surface, and component whole height L is 30mm.(such as Fig. 4).
This roller is used for the rolling device such as roll squeezer, Vertical Mill.
Adopting the roller of the present embodiment, its yield rate rises to 27%, rises to service life 18000 hours, uses the wear extent of 2100 hours to be reduced to 2.3mm.
With the shock loading kurtosis 225MPa～250MPa of axial gapless roller for benchmark, the present embodiment kurtosis is 206MPa.
Process the grinding particle diameter of material: colliery≤8mm, iron mine≤10mm, limestone mine≤6mm.
Embodiment 4
A kind of roller, includes matrix, and component is axially consecutive setting in matrix, and component 1 (steel) and component 2 (ferrum) are crisscross arranged according to the order of ferrum-steel-steel-ferrum, are provided with gap 3 between component.As shown in Figure 3.The spacing in gap is 12mm.
Described component and matrix are to be connected by the groove arranged on matrix, and described component is positioned at groove by the mode of embedding, and the mode of described embedding is that component passes through metal-to-metal adhesive binding agent and is connected with groove matched in clearance.Described groove is two grooves (such as Fig. 5-d/e) axially.On the circumference of roller, gap is at same cross section (such as Fig. 7).
The bottom width L4 of component is not less than the width L3 of component and roll surface intersection, and described member section is trapezoidal.It is 5mm that described component exceeds the rising height L1 of roll surface, and component whole height L is 15mm.(such as Fig. 4).
The rising height that same axially continuous component exceeds roll surface is consistent, and described component is arranged in in-line at roll surface.This roller is used for the rolling device such as roll squeezer, Vertical Mill.
Adopting the roller of the present embodiment, its yield rate rises to 28%, rises to service life 19000 hours, uses the wear extent of 2100 hours to be reduced to 2.3mm.
With the shock loading kurtosis 225MPa～250MPa of axial gapless roller for benchmark, the present embodiment kurtosis is 193MPa.
Process the grinding particle diameter of material: colliery≤16mm, iron mine≤20mm, limestone mine≤15mm.
Embodiment 5
A kind of roller, includes matrix, and component is axially consecutive setting in matrix, and component 1 (hard alloy K01) and component 2 (hard alloy K20) are crisscross arranged according to the order of K01-K20-K01-K20-K01, are provided with gap 3 between component.The spacing in gap is 38mm.
Described component and matrix are to be connected by the groove arranged on matrix, and described component is positioned at groove by the mode of embedding, and the mode of described embedding is that component passes through metal-to-metal adhesive binding agent and is connected with groove matched in clearance.Described groove is groove axially.On the circumference of roller, gap is not or not same cross section.
The bottom width L4 of component is not less than the width L3 of component and roll surface intersection, and described member section is trapezoidal.It is 6mm that described component 5 exceeds the height L1 of roll surface 3, and component 5 whole height L is 32mm.(such as Fig. 4).
The rising height that same axially continuous component exceeds roll surface is consistent, and described component is arranged in the in-line of interruption at roll surface, is inlaid with the rib contour with matrix upper process at described roller two ends.This roller is used for the rolling device such as roll squeezer, Vertical Mill.
Adopting the roller of the present embodiment, its yield rate rises to 30%, rises to service life 20000 hours, uses the wear extent of 2100 hours to be reduced to 2.5mm.
With the shock loading kurtosis 225MPa～250MPa of axial gapless roller for benchmark, the present embodiment kurtosis is 135MPa.
Process the grinding particle diameter of material: colliery≤45mm, iron mine≤50mm, limestone mine≤40mm.
Embodiment 6
A kind of roller, includes matrix, and matrix is provided with component, axially consecutive setting between matrix inner member, and described component is to be crisscross arranged by different materials, and component rising height on matrix is consistent, and component gapless is arranged.
Described component and matrix are to be connected by the groove arranged on matrix, and described component is positioned at groove by the mode of embedding, and the mode of described embedding is that component passes through metal-to-metal adhesive binding agent and is connected with groove matched in clearance.Described groove is groove axially.On the circumference of roller, gap is not or not same cross section.
The bottom width L4 of component is not less than the width L3 of component and roll surface intersection, and described member section is trapezoidal.It is 6mm that described component 5 exceeds the height L1 of roll surface 3, and component 5 whole height L is 32mm.(such as Fig. 4).
The rising height that same axially continuous component exceeds roll surface is consistent, and described component is arranged in in-line at roll surface, the rib that high one-tenth projection is contour on the matrix of described roller two ends.This roller is used for the rolling device such as roll squeezer, Vertical Mill.
Adopting the roller of the present embodiment, its yield rate rises to 30%, rises to service life 19000 hours, uses the wear extent of 2100 hours to be reduced to 2.3mm.
With the shock loading kurtosis 225MPa～250MPa of axial gapless roller for benchmark, the present embodiment kurtosis is 181MPa.
Claims (15)
1. a roller, including matrix, matrix is provided with component, and component is axially consecutive setting in matrix, and described component is staggered by different materials.
2. roller as claimed in claim 1, the height that component is positioned at matrix upper process is identical.
3. roller as claimed in claim 1, or/and be provided with gap in component between component.
4. roller as claimed in claim 3, the spacing in described gap is < 10mm, 10～< 20mm or 20～50mm.
5. the roller as described in claim 3 or 4, described gap is crisscross arranged on roller circumference.
6. the roller as described in as arbitrary in the claims, described matrix is provided with groove, and component is positioned at groove.
7. the roller as described in as arbitrary in the claims, described in be embedded as matched in clearance, or welding manner fixing by metal adhesive bonding connects fixing.
8. the roller as described in as arbitrary in the claims, the bottom width of described component is not less than the width of component and roll surface intersection.
9. the roller as described in as arbitrary in the claims, the cross sectional shape of described component is trapezoidal.
10. the roller as described in as arbitrary in the claims, described component exceeds the height of roll surface and accounts for the 5%～50% of component whole height.
11. the roller as described in as arbitrary in the claims, the component being in same groove exceeds the highly consistent of matrix roll surface.
12. the roller as described in as arbitrary in the claims, described component is shaped as interruption or continual in-line what matrix surface arrangement was formed.
13. the roller as described in as arbitrary in the claims, being provided with rib at the two ends of described roller, described rib is between circumferentially-adjacent component.
14. roller as claimed in claim 13, described rib is a part for matrix, and rib and rib contour.
15. one kind includes the roll squeezer of roller described in any one of claim 1-14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610303388.1A CN105772156B (en) | 2016-05-09 | 2016-05-09 | A kind of roller and its rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610303388.1A CN105772156B (en) | 2016-05-09 | 2016-05-09 | A kind of roller and its rolling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105772156A true CN105772156A (en) | 2016-07-20 |
| CN105772156B CN105772156B (en) | 2019-07-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610303388.1A Active CN105772156B (en) | 2016-05-09 | 2016-05-09 | A kind of roller and its rolling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105772156B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964853A (en) * | 2017-12-29 | 2018-04-27 | 徐工集团工程机械有限公司 | Abrasion-resistant blade, conveying device, the production method of engineering machinery and abrasion-resistant blade |
| CN108355762A (en) * | 2018-04-20 | 2018-08-03 | 杨辰晨 | For the component of grinding, sleeve assembly, grinding device and milling equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB557521A (en) * | 1942-04-16 | 1943-11-24 | Ross William | Improvements in roll crushers |
| CN201889206U (en) * | 2010-11-30 | 2011-07-06 | 天津水泥工业设计研究院有限公司 | Wear-resistant roll sleeve of rolling press |
| CN203108598U (en) * | 2013-01-10 | 2013-08-07 | 中建材（合肥）粉体科技装备有限公司 | Roller structure of high-pressure grinding roller |
| CN104084259A (en) * | 2014-08-01 | 2014-10-08 | 张珂 | Roller and rolling device thereof |
| CN105413804A (en) * | 2015-12-03 | 2016-03-23 | 中钢集团安徽天源科技股份有限公司 | High-pressure grinding roller roll surface structure and manufacturing method |
| CN205833247U (en) * | 2016-05-09 | 2016-12-28 | 张进才 | A kind of roller and rolling device thereof |
-
2016
- 2016-05-09 CN CN201610303388.1A patent/CN105772156B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB557521A (en) * | 1942-04-16 | 1943-11-24 | Ross William | Improvements in roll crushers |
| CN201889206U (en) * | 2010-11-30 | 2011-07-06 | 天津水泥工业设计研究院有限公司 | Wear-resistant roll sleeve of rolling press |
| CN203108598U (en) * | 2013-01-10 | 2013-08-07 | 中建材（合肥）粉体科技装备有限公司 | Roller structure of high-pressure grinding roller |
| CN104084259A (en) * | 2014-08-01 | 2014-10-08 | 张珂 | Roller and rolling device thereof |
| CN105413804A (en) * | 2015-12-03 | 2016-03-23 | 中钢集团安徽天源科技股份有限公司 | High-pressure grinding roller roll surface structure and manufacturing method |
| CN205833247U (en) * | 2016-05-09 | 2016-12-28 | 张进才 | A kind of roller and rolling device thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964853A (en) * | 2017-12-29 | 2018-04-27 | 徐工集团工程机械有限公司 | Abrasion-resistant blade, conveying device, the production method of engineering machinery and abrasion-resistant blade |
| CN108355762A (en) * | 2018-04-20 | 2018-08-03 | 杨辰晨 | For the component of grinding, sleeve assembly, grinding device and milling equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105772156B (en) | 2019-07-26 |
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Denomination of invention: A roller and its rolling device Effective date of registration: 20230726 Granted publication date: 20190726 Pledgee: Beijing good faith financing Company limited by guarantee Pledgor: Zhang Ke|Zhang Jincai|Hu Yandong Registration number: Y2023990000383 |
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Date of cancellation: 20240103 Granted publication date: 20190726 Pledgee: Beijing good faith financing Company limited by guarantee Pledgor: Zhang Ke|Zhang Jincai|Hu Yandong Registration number: Y2023990000383 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A roller and its roller pressing device Granted publication date: 20190726 Pledgee: Beijing good faith financing Company limited by guarantee Pledgor: Zhang Ke|Zhang Jincai|Hu Yandong Registration number: Y2023990000659 |