CN2625034Y - Outwear of antifriction Raymond mill - Google Patents
Outwear of antifriction Raymond mill Download PDFInfo
- Publication number
- CN2625034Y CN2625034Y CN 03229638 CN03229638U CN2625034Y CN 2625034 Y CN2625034 Y CN 2625034Y CN 03229638 CN03229638 CN 03229638 CN 03229638 U CN03229638 U CN 03229638U CN 2625034 Y CN2625034 Y CN 2625034Y
- Authority
- CN
- China
- Prior art keywords
- grinding
- grinding ring
- wear
- ring
- material layer
- 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.)
- Expired - Fee Related
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- Polishing Bodies And Polishing Tools (AREA)
- Crushing And Grinding (AREA)
Abstract
The utility model relates to a wear-resistant type Raymond grinder ring which is characterized in that the inner wall of an inner grinding ring is added (embedded) with the hard wear-resistant material layer to form the wear-resistant working surface of the grinding ring. The hard wear-resistant material layer can be made of pin shaft-shaped hard alloy materials. As the working surface of the inner grinding ring provided in the utility model is embedded with the hard wear-resistant material layer, compared with the existing technology, the utility model not only can greatly improve the hardness of the grinding ring working surface but also can ensure the good working toughness; when the grinding processing is implemented for ores, the quality of the grinding materials is easily controlled due to the good wearing resistance and the less attrition of the grinding ring itself; as the grinding ring can be made of steel materials with the less carbon content, the grinding ring has the high whole toughness and the good intensity, and is able to endure the powerful impact force of the grinding hammer and not easy to crack, which improves the service life. When the grinding ring is concretely designed and manufactured, the grinding ring has also the following technical characteristics.
Description
Technical field: the utility model relates to a kind of parts manufacturing technology of flour mill, particularly a kind of wear-resisting type Raymond mill bull ring, and the bull ring that can be used as the Raymond flour mill uses.
Technical background: existing be used for ore (as pyrophillite, marble, feldspar etc.) grinding machine of grinding processing, especially the bull ring in the Raymond flour mill is a kind of consumable accessory, bull ring is used with several mill hammers that are contained in its inner ring in start is produced, grinding processing is carried out in hard ore extruding friction, its inner surface quick abrasion, if the material of bull ring is to select the high steel of phosphorus content for use and make the hardness height through appropriate heat treatment technology, wearability is preferably during bull ring, though the rare profit of iron powder amount that drops because of wearing and tearing improves the quality that ore grinding (thing) is expected, but exist impact flexibility not good enough, in the start use, ftracture to cause easily and scrap, can greatly increase dealer's processing cost.If the material of bull ring is the steel manufacturing of selecting for use phosphorus content less, though can improve its impact flexibility, not easy to crack in the use, but the hardness of bull ring is also along with reduction, the iron powder amount that adding is worn man-hour self drops is also many, influenced the quality (iron-holder of grinding material increases, and can influence the quality of grinding material) of processing back grinding (thing) material.In view of this, people extremely wish to develop a kind of wearability is good and toughness is strong, the life-span is long bull ring to satisfy the production demand.
The utility model content:
The purpose of this utility model provides a kind of Raymond mill bull ring of wear-resisting type, makes to have wearability and all good results of use of impact flexibility, favourable raising service life, does not also influence the quality of grinding material.
The utility model is realized with following technical scheme: it is on the basis of existing Raymond mill ring structure technology, and adding (being embedded) on the internal face (former working face) of bull ring inner ring has the hard wear-resistant material layer to constitute the wear-resisting working face of bull ring.
Of the present utility modelly control the same of process and conventional art.Because this novel bull ring inner ring working face interlocking has the hard wear-resistant material layer, compared with the prior art, when can greatly improve bull ring working face hardness, can also guarantee its good operation toughness, add man-hour in that ore is carried out grinding, because of wearability good; Bull ring self wearing and tearing are also few, make grinding material quality control (quality is guaranteed) easily, because of bull ring can be selected the less steel raw material manufacturing of phosphorus content for use, and the overall flexibility height, intensity is good, can stand to grind the powerful impulsive force of hammer, and is not easy to crack, improved service life.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Wherein: 1-bull ring body, 2-bull ring inner ring internal face (former working face), 3-hard wear-resistant material layer (available high-speed steel, high chromium cast iron material or other Hardmetal materials are made bearing pin shape structure interlocking in the bull ring body, or make the strip and block structure and bull ring inner ring wall is connected).
The specific embodiment:
With reference to accompanying drawing as can be known, the utility model also can have following technical characterictics when specific design is made.
One, described hard wear-resistant material layer is made up of the bearing pin shape Hardmetal materials of rabbeting in bull ring inner ring internal face body at interval.
Two, the diameter range of the Hardmetal materials of described bearing pin shape structure can be chosen between the Φ 6-20mm, and its length can be chosen between the 10-55mm.
Three, described hard wear-resistant material layer also is made up of bar, the block Hardmetal materials of interlocking on bull ring inner ring internal face body.Be that described hard wear-resistant material layer also can be made the strip and block structure, and match with the internal face of bull ring inner ring with the structure of tongue and groove interlocking and to be connected (being a kind of fixedly connected, the accompanying drawing summary).
Claims (4)
1, a kind of wear-resisting type Raymond mill bull ring is characterized in that being equipped with hard wear-resistant material layer (3) to constitute the wear-resisting working face of bull ring on the internal face (2) of bull ring inner ring.
2, grinding machine bull ring according to claim 1 is characterized in that described hard wear-resistant material layer (3) is made up of the bearing pin shape Hardmetal materials of interlocking in bull ring inner ring internal face body at interval.
3, grinding machine bull ring according to claim 2 is characterized in that the diameter range of the Hardmetal materials of described bearing pin shape structure can be chosen between the Φ 6-20m, and its length can be chosen between the 10-55mm.
4, grinding machine bull ring according to claim 1 is characterized in that described hard wear-resistant material layer also can make the strip and block structure, and matches with the internal face (2) of bull ring inner ring with the structure of tongue and groove interlocking and to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03229638 CN2625034Y (en) | 2003-03-18 | 2003-03-18 | Outwear of antifriction Raymond mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03229638 CN2625034Y (en) | 2003-03-18 | 2003-03-18 | Outwear of antifriction Raymond mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2625034Y true CN2625034Y (en) | 2004-07-14 |
Family
ID=34247345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03229638 Expired - Fee Related CN2625034Y (en) | 2003-03-18 | 2003-03-18 | Outwear of antifriction Raymond mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2625034Y (en) |
-
2003
- 2003-03-18 CN CN 03229638 patent/CN2625034Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |