US2186164A - Mill - Google Patents
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- Publication number
- US2186164A US2186164A US182602A US18260237A US2186164A US 2186164 A US2186164 A US 2186164A US 182602 A US182602 A US 182602A US 18260237 A US18260237 A US 18260237A US 2186164 A US2186164 A US 2186164A
- Authority
- US
- United States
- Prior art keywords
- mill
- cylinder
- head
- head plates
- lining
- 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 - Lifetime
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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
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/04—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with unperforated container
Definitions
- Such mills are essentially fbatch mil1s,'such being the term employed in view of the fact that the mill is charged with a grinding medium such as porcelain balls, French pebbles, or where the mill is unlined, with steel balls whereby the ma-" terial in the mill is reduced or mixed during the operation of the cylinder of the mill.
- a grinding medium such as porcelain balls, French pebbles, or where the mill is unlined, with steel balls whereby the ma-" terial in the mill is reduced or mixed during the operation of the cylinder of the mill.
- thegrinding mill comprises a cylinder 5 having end or head plates 6, l.
- Each of the head plates or end caps B, i have suitably secured-thereto as at H trunnions l2 l2-are journaled in suitable and these trunnions bearing standards l3, M. h
- the invention 1 and illus- Y is 'provided with a manhole for which a cover or lid 8 is provided and a'suitable I members 8 and i teleinforcing ribs 24.
- a salient feature of the present invention is the elimination of the right angle between the peririhera'lwallv of thecylinder 5 and theend caps or head plates 6 and 1, and to this end'each of the end caps or head plates 5 and 1 adjacent its peripheral edge is provided with an integral flange 28 that is disposed at acute angles to the respective head plates or end caps and the peripheral wall of the cylinder 5,wi,th the flanges '28 of said head plates or end caps merging into circular flanges 2
- the cylinder 5 is equipped with an interior lining 21 com-- briefly nown as lining for the inner side of the head plates or end caps; with the inner surfacesof the flanges Zllfaced or lined with'a similar material as at 23.
- the lining elements therein indicated by the reference numerals 21a, 22a,'and 23a, respectively, are of porcelain commercially known asPor-C-Lin.
- the cylinder 5 is preferably formed or avery high grade steelcommercially known as Chrome-Manganese, and at the flange 20 thereof each of the end caps or head plates is formed internally with re- Also in this form of thelinvention theinner surfaces of the endcapsor head plates are covered with'linings'25 of steeLpreferably the same kind of steel as is used in the construction of the drum or cylinder 5, and forming a continuation of each lining 25 is a lining insert ,26 that is parallel to the flange 20 and'extends between the wall of the cylinder 5 and the marginal edges of the lining elements 25, the inserts 26 being welded or otherwise secured in place as at 21, 28. g
- the lining inserts 26 join with the peripheral wall of the shell 5 materially inwardly from the end edges thereof thereby covering as it were the inner ends construction, utility and advantages of a ballmill embodying the features of the present in-
- a ball mill a cylindrical drum, head plates for the drum secured thereto at the respective opposite ends of the drum, and each of said head plates adjacent the marginal edge thereof being provided with an integral flange disposed at an obtuse angle to its respective head plate-and to the peripheral wall of the drum, each of said head plates having reinforcing ribs on the inner side of its flange, and a lining element disposed within the confines of said flange and paralleling said flange, said liner'element being welded at one edge thereof to the peripheral wall .of the drum and at the other edge thereof to its respective head plate, as and for the purpose specified.
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Description
N. E. BROWN Jan. 9, 1940.
MILL
2 Sheets-Sheet 1 Filed Dec. 30, 1957 Inventor N, E B rowh A itorneys N. E. BROWN MILL Filed Dec. 30, 1937 2 Sheets-Sheet 2 I Inventor D z'aw z Attorneys partly in elevation N ma The Application December Brown, Wellsville, Ohio; assignorto- Stevenson Company; Wellsville, Ohio 30, 1937; Serial Ndf1g2602f 1 Claim. (01. 33-9) One of the bearing' standards, for template standard l4, rises from'a base IS on which is I his invention relates to mills of the type used extensively for grinding and mixing raw commodities such as paints, chemicals, food stufis, and the like, and which mills are generally known as pebble and/or ball mills. I Such mills are essentially fbatch mil1s,'such being the term employed in view of the fact that the mill is charged with a grinding medium such as porcelain balls, French pebbles, or where the mill is unlined, with steel balls whereby the ma-" terial in the mill is reduced or mixed during the operation of the cylinder of the mill.
' An objection to the presenttype o-f mills of '7 this character is the sharpbornersformed at the joints between the peripheral wall of the cylinder for the shell. Thesesharp corners are objectionable mainly for the reason that material will collect and pack in such corners, and where it is necessary to clean out between batches considerable time and effort is used in removing the material from such corners. v j v An object of the present inventionis to provide a mill-of the character above mentioned wherein thesecorners and the objections thereto are removed; and the invention together with its objects and advantages will be best understood from aqstudy oi the Figure 1 is a detail view partly in section and v Figures 2, 3 and 4 are detail sectional views each showing a form of trating a corner structure forming the salient feature of the invention, and v I Figure-5 is a'transverse sectional view through the cylinder of the mill showing the action of the grinding media therein.
Ref erring to the drawings by reference numerals it will be seen that in' accordance with the present invention thegrinding mill comprises a cylinder 5 having end or head plates 6, l.
The cylinder cylinder 5 and arefriveted or otherwise secured thereto as at It. j
Each of the head plates or end caps B, i have suitably secured-thereto as at H trunnions l2 l2-are journaled in suitable and these trunnions bearing standards l3, M. h
that is in mesh with a gear or shell and, the head or cap members following description taken I in connection with. the, accompanying drawings 3 illustrating an improved mill;
the invention 1 and illus- Y is 'provided with a manhole for which a cover or lid 8 is provided and a'suitable I members 8 and i teleinforcing ribs 24.
mounted an electric motor .or other suitable] power device I6. t
, Bolted or otherwise secured as at I? on one of the head plates'or caps, stance; the head plate or cap I is a gear l8 .the motor l5 whereby drive from the motor i5 is transmitted to the drum 5 for revolving the latter. I I 7 A salient feature of the present invention is the elimination of the right angle between the peririhera'lwallv of thecylinder 5 and theend caps or head plates 6 and 1, and to this end'each of the end caps or head plates 5 and 1 adjacent its peripheral edge is provided with an integral flange 28 that is disposed at acute angles to the respective head plates or end caps and the peripheral wall of the cylinder 5,wi,th the flanges '28 of said head plates or end caps merging into circular flanges 2| through the medium ci which latter flanges and rivets II) or other similar fastening elements the respective end caps or headplates are secured to the cylinder 5.
This feature of the invention is, clearly shown in Figures -1 to 4' inclusive and by so providing in the present in- I9.on theshait of the flange on each of the end caps or head I plates the sharp angle usually existing at the joint between the cylinder and each end cap or head plate is eliminated with the result that the contents .of the mill'will not become lodged in 5 the cornersat these joints and consequently the time and effort usually required in cleaning out the mill isreduced to a minimum.
If desired, and as shown in Figure 2, the cylinder 5 is equipped with an interior lining 21 com-- mercially nown as lining for the inner side of the head plates or end caps; with the inner surfacesof the flanges Zllfaced or lined with'a similar material as at 23. 'As shown in Figure 3 the lining elements therein indicated by the reference numerals 21a, 22a,'and 23a, respectively, are of porcelain commercially known asPor-C-Lin.
In Figure 4, instead of :having the cylinder 5 'Buhrstone, and such alined as shown in Figures 2 and 3,'the cylinder 5 is preferably formed or avery high grade steelcommercially known as Chrome-Manganese, and at the flange 20 thereof each of the end caps or head plates is formed internally with re- Also in this form of thelinvention theinner surfaces of the endcapsor head plates are covered with'linings'25 of steeLpreferably the same kind of steel as is used in the construction of the drum or cylinder 5, and forming a continuation of each lining 25 is a lining insert ,26 that is parallel to the flange 20 and'extends between the wall of the cylinder 5 and the marginal edges of the lining elements 25, the inserts 26 being welded or otherwise secured in place as at 21, 28. g
In connection with the form of the invention shown in Figure 4 it willbe noted that the lining inserts 26 join with the peripheral wall of the shell 5 materially inwardly from the end edges thereof thereby covering as it were the inner ends construction, utility and advantages of a ballmill embodying the features of the present in- In a ball mill a cylindrical drum, head plates for the drum secured thereto at the respective opposite ends of the drum, and each of said head plates adjacent the marginal edge thereof being provided with an integral flange disposed at an obtuse angle to its respective head plate-and to the peripheral wall of the drum, each of said head plates having reinforcing ribs on the inner side of its flange, and a lining element disposed within the confines of said flange and paralleling said flange, said liner'element being welded at one edge thereof to the peripheral wall .of the drum and at the other edge thereof to its respective head plate, as and for the purpose specified.
NORMAN E. BROWN.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US182602A US2186164A (en) | 1937-12-30 | 1937-12-30 | Mill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US182602A US2186164A (en) | 1937-12-30 | 1937-12-30 | Mill |
Publications (1)
Publication Number | Publication Date |
---|---|
US2186164A true US2186164A (en) | 1940-01-09 |
Family
ID=22669185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US182602A Expired - Lifetime US2186164A (en) | 1937-12-30 | 1937-12-30 | Mill |
Country Status (1)
Country | Link |
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US (1) | US2186164A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3042323A (en) * | 1958-11-17 | 1962-07-03 | Newton L Hall | Lifter-liner lining for rotary ball mills |
US3408774A (en) * | 1965-04-05 | 1968-11-05 | Pangborn Corp | Vibratory finishing apparatus |
US4108385A (en) * | 1975-07-09 | 1978-08-22 | Friedrich Funk | Colloidal mill |
-
1937
- 1937-12-30 US US182602A patent/US2186164A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3042323A (en) * | 1958-11-17 | 1962-07-03 | Newton L Hall | Lifter-liner lining for rotary ball mills |
US3408774A (en) * | 1965-04-05 | 1968-11-05 | Pangborn Corp | Vibratory finishing apparatus |
US4108385A (en) * | 1975-07-09 | 1978-08-22 | Friedrich Funk | Colloidal mill |
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