CN105772155A - Roller and rolling device comprising same - Google Patents
Roller and rolling device comprising same Download PDFInfo
- Publication number
- CN105772155A CN105772155A CN201610302382.2A CN201610302382A CN105772155A CN 105772155 A CN105772155 A CN 105772155A CN 201610302382 A CN201610302382 A CN 201610302382A CN 105772155 A CN105772155 A CN 105772155A
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- CN
- China
- Prior art keywords
- roller
- component
- matrix
- gap
- mentioned
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- 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.)
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Classifications
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- 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. The roller comprises a base body, wherein the base body is provided with components which are arranged axially and continuously in the base body, bulges are arranged on the outer side of the base body, and intervals are formed between the bulges or/and on the bulges. According to the design, impact load is reduced, equipment operation is more stable, the service life of rolling equipment can be effectively prolonged, and the use efficiency of the rolling equipment can be effectively increased.
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 the roller of a kind of service efficiency height and long 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, has projection outside matrix, or/and be provided with gap in projection between projection.This design reduces impact load, makes equipment run more steady.And service life and the service efficiency of rolling equipment can be effectively improved.Described gap can be arrange gap between component, it is also possible to is that component inside arranges gap.
Preferably, 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 pulverizing or grind size 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 is not on the same cross section of roller circumference, and extruding comminuting matter is in hgher efficiency, squeeze effect more preferably.
In order to improve rod service life further, avoiding component cracking along the direction of roller matrix surface, above-mentioned matrix is provided with groove, and component 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.
Preferably, in order to improve service life of equipment and service efficiency further, above-mentioned component is crisscross arranged by different materials.Further, it is outside equipped with gap at matrix between component.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 same 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..
Above-mentioned component can also be identical material continuous arrangement.
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 16500～22000 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 is-component 2,2-projection, 3-gap；
The structural representation (arranging gap between projection) of Fig. 3 roller members arrangement of the present invention, 11 is component, 2-projection, 3-gap；
The structural representation (arranging gap in projection) of Fig. 4 roller members arrangement of the present invention, 11 is component, 2-projection, 3-gap；
The schematic shapes that the component of Fig. 5 present invention is formed at roll surface, 9-matrix, 11,12-component；
Fig. 6 groove of substrate axial, cross-sectional view of the present invention, 4-groove, 5-shelves limit, 9-matrix；
Fig. 7 roller roll surface top view (being crisscross arranged at roller circumferential gaps) of the present invention, 2-projection, 3-gap；
Fig. 8 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. 9 present invention；
The axial cross section schematic shapes of the component of Figure 10 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, matrix is provided with component, and component is axially consecutive setting in matrix, has projection outside matrix, is provided with gap between projection.Gap is set between component.Such as Fig. 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 21%, rises to service life 16500 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 2
A kind of roller, matrix is provided with component, and component is axially consecutive setting in matrix, has projection outside matrix, is provided with gap between projection, arranges gap (Fig. 3) in component.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 16500 hours, uses the wear extent of 2100 hours to be reduced to 2.0mm.
With the shock loading kurtosis 225MPa～250MPa of axial gapless roller for benchmark, the present embodiment shock loading 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, matrix is provided with component 1 and component 2, and component is axially consecutive setting in matrix, has projection outside matrix, is provided with gap 3 between projection.The spacing in gap is 3mm.
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 is a groove axially.Component is crisscross arranged with 42CrMo by hard alloy in the axial direction.It is crisscross arranged at roller circumferential gaps.As shown in Figure 7.
The bottom width L4 of component is not less than the width L3 of component and roll surface intersection, and it is 8mm that described component exceeds the height L1 of roll surface, and component whole height L is 48mm.Such as Fig. 5.
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 210MPa.
Process the grinding particle diameter of material: colliery≤8mm, iron mine≤10mm, limestone mine≤6mm.
Embodiment 4
A kind of roller, matrix is provided with component, and component is axially consecutive setting in matrix, has projection outside matrix, and projection is provided with gap 3 (such as Fig. 4).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 axially.At the circumferential gaps of roller not in same cross section (as shown in Figure 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 20mm.Such as Fig. 5.
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 196MPa.
Process the grinding particle diameter of material: colliery≤16mm, iron mine≤20mm, limestone mine≤15mm.
Embodiment 5
A kind of roller, matrix is provided with component, and component is axially consecutive setting in matrix, has projection outside matrix, is provided with gap 3 between projection.The spacing in gap is 38mm.Such as Fig. 2.
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 (as shown in Figure 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 6mm that described component 5 exceeds the height L1 of roll surface 3, and component 5 whole height L is 32mm.(such as Fig. 5).
The rising height that same axially continuous component exceeds roll surface is consistent, and described component is arranged in in-line at roll surface, is set as, on the matrix of described roller two ends, the rib that projection is contour.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 2.3mm.
With the shock loading kurtosis 225MPa～250MPa of axial gapless roller for benchmark, the present embodiment kurtosis is 139MPa.
Process the grinding particle diameter of material: colliery≤45mm, iron mine≤50mm, limestone mine≤40mm.
Claims (14)
1. a roller, including matrix, matrix is provided with component, and component is axially consecutive setting in matrix, has projection outside matrix, or/and be provided with gap in projection between projection.
2. roller as claimed in claim 1, described gap is arrange in gap and/or component between component to arrange gap.
3. roller as claimed in claim 1 or 2, the spacing in described gap is < 10mm or 10～< 20mm or 20～50mm.
4. the roller as described in above-mentioned any claim, described gap is crisscross arranged on roller circumference.
5. the roller as described in above-mentioned any claim, described matrix is provided with groove, and component is positioned at groove.
6. the roller as described in above-mentioned any claim, described in be embedded as matched in clearance, or welding manner fixing by metal adhesive bonding connects fixing.
7. the roller as described in above-mentioned any claim, the bottom width of described component is not less than the width of component and roll surface intersection.
8. the roller as described in above-mentioned any claim, the cross sectional shape of described component is trapezoidal.
9. the roller as described in above-mentioned any claim, described component exceeds the height of roll surface and accounts for the 5%～50% of component whole height.
10. the roller as described in above-mentioned any claim, the component being in same groove exceeds the highly consistent of matrix roll surface.
11. the roller as described in above-mentioned any claim, described component is shaped as interruption or continual in-line what matrix surface arrangement was formed.
12. the roller as described in above-mentioned any claim, being provided with rib at the two ends of described roller, described rib is between circumferentially-adjacent component.
13. roller as claimed in claim 12, described rib is a part for matrix, and rib and rib contour.
14. one kind includes the roll squeezer of roller described in any one of claim 1-13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610302382.2A CN105772155A (en) | 2016-05-09 | 2016-05-09 | Roller and rolling device comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610302382.2A CN105772155A (en) | 2016-05-09 | 2016-05-09 | Roller and rolling device comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105772155A true CN105772155A (en) | 2016-07-20 |
Family
ID=56401145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610302382.2A Pending CN105772155A (en) | 2016-05-09 | 2016-05-09 | Roller and rolling device comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105772155A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111479632A (en) * | 2017-12-05 | 2020-07-31 | 第六元素公司 | High-pressure grinding roller stud |
| CN114939472A (en) * | 2022-05-23 | 2022-08-26 | 郑州机械研究所有限公司 | Wear-resistant structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2150347A1 (en) * | 2007-04-25 | 2010-02-10 | KHD Humboldt Wedag GmbH | Armoring the surfaces of press rolls for roll presses |
| DE102011054191A1 (en) * | 2011-10-05 | 2013-04-11 | Betek Gmbh & Co. Kg | Crusher roller for roll crusher, has roller body which comprises receptacle at its outer circumference, where tool carrier is received in receptacle in replaceable manner |
| CN104084259A (en) * | 2014-08-01 | 2014-10-08 | 张珂 | Roller and rolling device thereof |
| CN204710440U (en) * | 2015-06-23 | 2015-10-21 | 泉州市方盛机械发展有限公司 | A kind of for the Novel grinding material mechanism in extra large oyster shell smashing device |
| CN206184528U (en) * | 2016-05-09 | 2017-05-24 | 张进才 | Roller and rolling device thereof |
-
2016
- 2016-05-09 CN CN201610302382.2A patent/CN105772155A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2150347A1 (en) * | 2007-04-25 | 2010-02-10 | KHD Humboldt Wedag GmbH | Armoring the surfaces of press rolls for roll presses |
| DE102011054191A1 (en) * | 2011-10-05 | 2013-04-11 | Betek Gmbh & Co. Kg | Crusher roller for roll crusher, has roller body which comprises receptacle at its outer circumference, where tool carrier is received in receptacle in replaceable manner |
| CN104084259A (en) * | 2014-08-01 | 2014-10-08 | 张珂 | Roller and rolling device thereof |
| CN204710440U (en) * | 2015-06-23 | 2015-10-21 | 泉州市方盛机械发展有限公司 | A kind of for the Novel grinding material mechanism in extra large oyster shell smashing device |
| CN206184528U (en) * | 2016-05-09 | 2017-05-24 | 张进才 | Roller and rolling device thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111479632A (en) * | 2017-12-05 | 2020-07-31 | 第六元素公司 | High-pressure grinding roller stud |
| CN114939472A (en) * | 2022-05-23 | 2022-08-26 | 郑州机械研究所有限公司 | Wear-resistant structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160720 |