CN202893437U - Cylinder body of mill - Google Patents
Cylinder body of mill Download PDFInfo
- Publication number
- CN202893437U CN202893437U CN 201220497001 CN201220497001U CN202893437U CN 202893437 U CN202893437 U CN 202893437U CN 201220497001 CN201220497001 CN 201220497001 CN 201220497001 U CN201220497001 U CN 201220497001U CN 202893437 U CN202893437 U CN 202893437U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- end cap
- cylinder body
- quill shaft
- welding
- 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 an integrally processed cylinder body of a mill. The cylinder body of the mill comprises a cylinder, wherein two ends of the cylinder are a driving end and a free end respectively; split end covers and hollow shafts are respectively arranged at the driving end and the free end of the cylinder; the inner side of each end cover is abutted and welded onto the cylinder; the outer side of each end cover is connected with each hollow shaft; matched holes are formed in the end covers and the hollow shafts; and the end covers and the hollow shafts are combined through bolts for the holes. According to the integrally processed cylinder body disclosed by the utility model, due to the adoption of an integral processing after welding, the rotating stability of a rotating part is greatly improved and noises of the mill are reduced; in addition, a mode of abutting and connecting of welding seams is applied to the cylinder and the end covers, so that the favorable stress state of the cylinder body is obtained; and in addition, the cylinder body is integrally annealed and the welding stress is eliminated. The welding seams are subjected to flaw detection, and thus the quality of the welding seams is ensured. The end covers of the cylinder body and the hollow shafts are subjected to split casting, so that the problem of casing of a casting r region is relieved and the quality of the casing is improved.
Description
Technical field
The utility model relates to a kind of grinding mill barrel.
Background technology
Present grinder shell cover is connected bolt directly to connect with cylindrical shell, has plenty of at cylinder two ends welded flange and end cap and adopts bolt shaft to being connected, and what have then is that the end cap excircle dimension is processed into and the equal-sized size of cylindrical shell inner circle, adopts bolt radially to connect.Above structure can not guarantee that not only the axiality of end cap and cylinder affects the running status of base bearing, and the fatigue fracture phenomenon easily occurs in the junction of the bolt of cylinder and end cap.Cylindrical shell end cap and quill shaft all are to adopt the monoblock cast form, cast solid, and the castability in the r district of end cap and quill shaft handing-over is difficult to control like this, is easy to fracture.
Summary of the invention
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, a kind of grinding mill barrel is provided, whole processing after the welding of cylinder and end cap, and cylindrical shell end cap and quill shaft all adopt divided casting, improve the casting problem in foundry goods r district, improved the quality of foundry goods.
For achieving the above object, the utility model adopts following technical proposals:
A kind of grinding mill barrel comprises cylinder, and the cylinder two ends are respectively drive end and free end, the drive end of cylinder and free end are equipped with split type end cap and quill shaft, the inboard of end cap is welded on the cylinder, and the outside of end cap is connected with quill shaft, and described end cap and quill shaft are provided with the hole of matching.
The welding manner of end cap and cylinder is butt welding.
Described quill shaft and end cap close with the bolt handle by the hole.
Processing step of the present utility model is as follows:
The drive end of cylinder is connected with free end with drive end end cap, free end end cap adopts the mode of butt welding to be connected, cylinder and the whole processing of end cap postwelding, and with the cylindrical shell integrally annealed, the elimination welding stress.
End cap and quill shaft split casting, and end cap and quill shaft be provided with the hole of matching, after split casting is finished, end cap and quill shaft with bolt closing.
The beneficial effects of the utility model are, the mode of whole processing again after this kind grinding mill barrel adopts end cap and cylinder to weld in the mode of butt welding has guaranteed the concentricity of cylinder and end cap greatly to have improved the rotating stability in rotation section, has reduced the noise of grinding machine; End cap and cylinder adopt butt welding, and with the cylindrical shell integrally annealed, eliminate welding stress, make its stress good, are difficult for the fracture phenomenon.The butt welded seam flaw detection, the quality of assurance weld seam.Cylindrical shell end cap and quill shaft adopt the form of split casting, adopt bolt closing, and have improved the casting problem in foundry goods r district, have improved the quality of foundry goods.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is 5 partial enlarged drawing among Fig. 1;
Fig. 3 is 1 partial enlarged drawing among Fig. 1;
Fig. 4 is 4 partial enlarged drawing among Fig. 1;
Fig. 5 is the schematic diagram of in the past monoblock cast type end cap;
Wherein, 1, the drive end quill shaft, 2, the r district, 3, bolt, 4, the drive end end cap, 5, end cap and cylinder welding place, 6, cylinder, 7, the free end end cap, 8, free end quill shaft.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further set forth, should be noted that following explanation only is in order to explain the utility model, its content not to be limited.
Shown in Fig. 1 ~ 4, the utility model comprises cylinder 6, the two ends of cylinder 6 are respectively drive end and free end, the drive end of cylinder is provided with split type drive end end cap 4 and drive end quill shaft 1, the free end of cylinder is provided with split type free end end cap 7 and free end quill shaft 8, the inboard of drive end end cap 4 and free end end cap 7 is welded on the drive end and free end of cylinder 6 by the mode of butt welding respectively, forms end cap and cylinder welding place 5; Are connected with the free end quill shaft with drive end quill shaft 1 respectively and are connected in the outside that drive end end cap 4 is connected with the free end end cap, be respectively equipped with the bolt hole that matches on drive end end cap 4 and drive end quill shaft 1 and free end end cap 7 and the free end quill shaft 8, close by 3 on bolt.
Processing step of the present utility model is as follows:
The drive end of cylinder 6 is connected with free end with drive end end cap 4, free end end cap 7 adopts the mode of butt welding to be connected, cylinder 6 and the whole processing of end cap postwelding, and with cylindrical shell 6 integrally annealeds, eliminate welding stress.
End cap and quill shaft split casting, and end cap and quill shaft be provided with the hole of matching, after split casting is finished, end cap and quill shaft with bolt closing.
Fig. 5 is the schematic diagram of in the past monoblock cast type end cap, grinder shell cover and cylinder mode with bolts, can not guarantee that not only the axiality of end cap and cylinder affects the running status of base bearing, and the fatigue fracture phenomenon easily occurs in the junction of the bolt between cylinder and the end cap.Cylindrical shell end cap and quill shaft adopt the monoblock cast form, cast solid, and the castability in the r district of end cap and quill shaft handing-over is difficult to control like this, is easy to fracture.
Compare with Fig. 5, the mode of whole processing again after this kind grinding mill barrel that the utility model relates to adopts end cap and cylinder 6 to weld in the mode of butt welding, guarantee the concentricity of cylinder 6 with end cap, greatly improved the rotating stability in rotation section, reduced the noise of grinding machine; End cap and cylinder 6 adopt butt welding, and with the cylindrical shell integrally annealed, eliminate welding stress, make its stress good, are difficult for the fracture phenomenon.The butt welded seam flaw detection, the quality of assurance weld seam.Cylindrical shell end cap and quill shaft adopt the form of split casting, adopt bolt 3 closing, and have improved the casting problem in foundry goods r district 2, have improved the quality of foundry goods.
Although above-mentionedly by reference to the accompanying drawings the specific embodiment of the present utility model is described; but be not the restriction to the utility model protection domain; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (3)
1. grinding mill barrel, comprise cylinder, the cylinder two ends are respectively drive end and free end, it is characterized in that, the drive end of cylinder and free end are equipped with split type end cap and quill shaft, the inboard of end cap is welded on the cylinder, and the outside of end cap is connected with quill shaft, and described end cap and quill shaft are provided with the hole of matching.
2. a kind of grinding mill barrel as claimed in claim 1 is characterized in that, the welding manner of end cap and cylinder is butt welding.
3. a kind of grinding mill barrel as claimed in claim 1 is characterized in that, described quill shaft and end cap close with the bolt handle by the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220497001 CN202893437U (en) | 2012-09-26 | 2012-09-26 | Cylinder body of mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220497001 CN202893437U (en) | 2012-09-26 | 2012-09-26 | Cylinder body of mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202893437U true CN202893437U (en) | 2013-04-24 |
Family
ID=48114159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220497001 Expired - Fee Related CN202893437U (en) | 2012-09-26 | 2012-09-26 | Cylinder body of mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202893437U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931991A (en) * | 2017-11-22 | 2018-04-20 | 中信重工机械股份有限公司 | A kind of method for ensureing large-sized grinding mill barrel concentricity by welding |
-
2012
- 2012-09-26 CN CN 201220497001 patent/CN202893437U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931991A (en) * | 2017-11-22 | 2018-04-20 | 中信重工机械股份有限公司 | A kind of method for ensureing large-sized grinding mill barrel concentricity by welding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20140926 |
|
| EXPY | Termination of patent right or utility model |