CN203076019U - Combined grinding roller - Google Patents
Combined grinding roller Download PDFInfo
- Publication number
- CN203076019U CN203076019U CN 201220706743 CN201220706743U CN203076019U CN 203076019 U CN203076019 U CN 203076019U CN 201220706743 CN201220706743 CN 201220706743 CN 201220706743 U CN201220706743 U CN 201220706743U CN 203076019 U CN203076019 U CN 203076019U
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- CN
- China
- Prior art keywords
- grinding roller
- roller core
- core
- hole
- transverse concave
- 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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Abstract
The utility model discloses a combined grinding roller. A structure of the combined grinding roller comprises a grinding roller core and a grinding roller outer shell, wherein the center of the grinding roller core has a conical through hole; the upper end surface and the lower end surface of the grinding roller core have a plurality of through holes penetrating through the grinding roller core; the outer columnar surface of the grinding roller core is provided with a plurality of horizontal grooves connected end to end; and the through holes and the horizontal grooves are mutually communicated. With the adoption of the combined grinding roller, defects of the prior art can be overcome; and the grinding roller core has the through holes and the horizontal grooves, and then a grinding roller outer shell with high abrasion resistance is poured and manufactured out of the grinding roller core, so that the cost is saved, and the service life of the grinding roller is prolonged.
Description
Technical field
The utility model relates to the grinding roller that a kind of grinder uses, the combined type grinding roller that especially a kind of raymond mill uses.
Background technology
Raymond mill is a kind of grinding machinery commonly used in the industry.At present, the grinding roller that uses on the raymond mill is to adopt the mode of one-time cast-forming to cast.After grinding roller use to lose efficacy, 40% the cast metal clout of still having an appointment did not use, and this part metal clout only can recycle as waste metal, the waste resource.In addition, because the grinding roller center need process a taper through hole, these raw material that just require to make grinding roller must be chosen the metal that is easy to machining.But these common hardness of metal material that are easy to machining are low, and wear resistence is poor, cause the grinding roller life-span short.If select for use the high potassium steel of wearability to make grinding roller,, can't carry out magnetic separation to the heavy-metal residual in the material of processing and remove, thereby can not get using widely because potassium steel self does not have magnetic.
The utility model content
The technical problems to be solved in the utility model provides a kind of combined type grinding roller, can solve the deficiencies in the prior art,, outside the grinding roller core, pour into a mould and make the high rich chromium cast iron of wearability as the grinding roller shell by through hole and transverse concave groove are set on the grinding roller core, save cost, prolong the grinding roller life-span.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
A kind of combined type grinding roller comprises grinding roller core and grinding roller shell in the structure, grinding roller core center is provided with the taper through hole, and the upper and lower end face of described grinding roller core is provided with several through holes that runs through the grinding roller core; The outer cylinder of described grinding roller core is provided with several end to end transverse concave grooves; Described through hole and transverse concave groove connect mutually.
As preferably, the rich chromium cast iron that is used for making the grinding roller shell enters described through hole and transverse concave groove by pouring type, and links to each other with described grinding roller core, forms the contour structures of grinding roller jointly.
As preferably, to be that the center of circle is circular in the upper and lower end face of grinding roller core with the center of grinding roller core evenly arrange described through hole; The upper and lower end face of described transverse concave groove and grinding roller core is parallel to each other.
As preferably, the upper and lower end face of described grinding roller core is provided with 20 through holes, and described grinding roller core outer cylinder is provided with 3 transverse concave grooves.
The beneficial effect that adopts technique scheme to bring is: the through hole and the transverse concave groove that vertically are provided with on the grinding roller core connect mutually, form engraved structure, increased the surface area of grinding roller core, improved its capacity of heat transmission, make the grinding roller core can be fully, heat absorption equably, guaranteed the stability of its thermal expansion effects.When cast grinding roller shell, the through hole in the engraved structure has played the effect of riser runner, and the grinding roller shell contacts fully with the grinding roller core and is connected, and does not produce gas hole defect.Simultaneously, after grinding roller skin solidifies, the cooling, the situation that can not ftracture between grinding roller shell and the grinding roller core, laterally become flexible or vertically become flexible, come off has guaranteed stability and reliability between two structures.
The grinding roller core adopts convenient, the easy processing of smelting, carbon steel cheap and higher mechanical strength to make; The grinding roller shell adopts the rich chromium cast iron of wearability height, good stability to make.By rationally selecting for use of two kinds of materials; improved the life-span of grinding roller; reduced owing to changing grinding roller and caused time of shutting down; reduced the pollution of heavy metal powder that grinding roller self wearing and tearing are produced to product; alleviated the magnetic separation workload or exempted from magnetic separation, alleviated in dust emission and the magnetic separation process heavy metal particle the pollution of environment.After the grinding roller shell is finished using, only need simply clear up and can pour into a mould making once more the grinding roller core, the grinding roller core can be recycled, and economizes in raw materials.
Description of drawings
Fig. 1 is the vertical view of grinding roller core in specific embodiment of the utility model.
Fig. 2 is the cutaway view of grinding roller core in specific embodiment of the utility model.
Fig. 3 is the cutaway view behind the cast making grinding roller shell in specific embodiment of the utility model.
Among the figure: 1, grinding roller core; 2, grinding roller shell; 3, through hole; 4, transverse concave groove; 5, taper through hole.
The specific embodiment
With reference to Fig. 1-3, comprise grinding roller core 1 and grinding roller shell 2 in the structure of the present utility model, grinding roller core 1 center is provided with taper through hole 5, and the upper and lower end face of described grinding roller core 1 is provided with 20 through holes 3 that run through grinding roller core 1; The outer cylinder of described grinding roller core 1 is provided with 3 end to end transverse concave grooves 4; Described through hole 3 and transverse concave groove 4 connect mutually.
Be worth noting that to be that described grinding roller shell 2 enters in described through hole 3 and the transverse concave groove 4 by pouring type, and link to each other with described grinding roller core 1.
In addition, to be that the center of circle is circular in the upper and lower end face of grinding roller core 1 with the center of grinding roller core 1 evenly arrange described through hole 3; Described transverse concave groove 4 is parallel to each other with the upper and lower end face of grinding roller core 1.
The through hole and the transverse concave groove that vertically are provided with on the grinding roller core in this specific embodiment connect mutually, form engraved structure, increased the surface area of grinding roller core, improved its capacity of heat transmission, make the grinding roller core can be fully, heat absorption equably, guaranteed the stability of its thermal expansion effects.When cast grinding roller shell, the through hole in the engraved structure has played the effect of riser runner, and the grinding roller shell contacts fully with the grinding roller core and is connected, and does not produce gas hole defect.Simultaneously, after grinding roller skin solidifies, the cooling, the situation that can not ftracture between grinding roller shell and the grinding roller core, laterally become flexible or vertically become flexible, come off has guaranteed stability and reliability between two structures.
The grinding roller core adopts convenient, the easy processing of smelting, carbon steel cheap and higher mechanical strength to make; The grinding roller shell adopts the rich chromium cast iron of wearability height, good stability to make.By rationally selecting for use of two kinds of materials; improved the life-span of grinding roller; reduced owing to changing grinding roller and caused time of shutting down; reduced the pollution of heavy metal powder that grinding roller self wearing and tearing are produced to product; alleviated the magnetic separation workload or exempted from magnetic separation, alleviated in dust emission and the magnetic separation process heavy metal particle the pollution of environment.After the grinding roller shell is finished using, only need simply clear up and can pour into a mould making once more the grinding roller core, the grinding roller core can be recycled, and economizes in raw materials.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. a combined type grinding roller comprises grinding roller core (1) and grinding roller shell (2) in the structure, and grinding roller core (1) center is provided with taper through hole (5), it is characterized in that: the upper and lower end face of described grinding roller core (1) is provided with several through holes that runs through grinding roller core (1) (3); The outer cylinder of described grinding roller core (1) is provided with several end to end transverse concave grooves (4); Described through hole (3) and transverse concave groove (4) connect mutually.
2. combined type grinding roller according to claim 1 is characterized in that: described grinding roller shell (2) enters in described through hole (3) and the transverse concave groove (4) by pouring type, and links to each other with described grinding roller core (1).
3. combined type grinding roller according to claim 1 is characterized in that: to be that the center of circle is circular in the upper and lower end face of grinding roller core (1) with the center of grinding roller core (1) evenly arrange described through hole (3); Described transverse concave groove (4) is parallel to each other with the upper and lower end face of grinding roller core (1).
4. combined type grinding roller according to claim 1 is characterized in that: the upper and lower end face of described grinding roller core (1) is provided with 20 through holes (3), and described grinding roller core (1) outer cylinder is provided with 3 transverse concave grooves (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220706743 CN203076019U (en) | 2012-12-20 | 2012-12-20 | Combined grinding roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220706743 CN203076019U (en) | 2012-12-20 | 2012-12-20 | Combined grinding roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203076019U true CN203076019U (en) | 2013-07-24 |
Family
ID=48821902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220706743 Expired - Fee Related CN203076019U (en) | 2012-12-20 | 2012-12-20 | Combined grinding roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203076019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105214782A (en) * | 2015-09-29 | 2016-01-06 | 重庆尚辉机电技术有限公司 | The vertical wear resistant roll of combined type of a kind of energy rapid-assembling and dismounting |
-
2012
- 2012-12-20 CN CN 201220706743 patent/CN203076019U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105214782A (en) * | 2015-09-29 | 2016-01-06 | 重庆尚辉机电技术有限公司 | The vertical wear resistant roll of combined type of a kind of energy rapid-assembling and dismounting |
| CN105214782B (en) * | 2015-09-29 | 2017-12-12 | 重庆罗曼新材料科技有限公司 | A kind of vertical wear resistant roll of combined type of the quick assembly and disassembly of energy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhang Lei Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Zhang Lei Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20141220 |
|
| EXPY | Termination of patent right or utility model |