US1085922A - Milling-machine. - Google Patents
Milling-machine. Download PDFInfo
- Publication number
- US1085922A US1085922A US760680A US1913760680A US1085922A US 1085922 A US1085922 A US 1085922A US 760680 A US760680 A US 760680A US 1913760680 A US1913760680 A US 1913760680A US 1085922 A US1085922 A US 1085922A
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- Prior art keywords
- slanting
- casing
- series
- air
- stock
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
- B07B4/04—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall in cascades
Definitions
- This invention has reference to improvements in milling machines, and its object is to provide a machine for the thorough removal of dirt and other substances that should not follow the stock, and to carry the removed material to a dust collector for further treatment.
- the direction of travel of the stock is broken numerous times while the fall of stock from one direction changing means to the next is short, thereby admitting of relatively strong air currents without liability of carrying away any parts of the falling stock except those which it is desirable should be extracted by such air currents.
- the air currents traverse the falling stock during each period of fall, while the parts are so dimensioned as to prevent any change in the action of the air currents on the dropping stock at different parts of the apparatus, so that there is no liability of uneven action of the air currents and consequent escape of some portions of the removable parts of the stock on being carried by such moving stock toward the action of the air currents.
- the present invention also provides a means which will cool and partially dry the stock thereby materially aiding in the subsequent grinding and bolting, and thereby greatly improving the quality of the product and also increasing the yield and profits.
- Fig. 2 is a section on the line 2 2 of Fig. 1 with some distant parts also shown 1n section.
- a casing 1 having an inlet duct 2 discharging into a hop-per 3 at the lower end of which there is located a feed roller 4 and a gate 5, the latter being controlled by an adjustable weight 6 so that stock may be evenly spread and the degreeof feed controlled by the adjustment of the weight 6, the gate 5 being substantially pendent and the weight being carried by an arm 7 fast to and outstanding from the gate in a direction away from the feed roller.
- The'gate is attached to the hopper by a hinge 8 to permit its yield under the action of the grain and the movement of the feed roller 4.
- the arbor of the feed roller extends through the casing to the exterior thereof and may there carry a pulley 9 by means of which power may be applied to rotate the feed roller in the proper direction.
- the casing 1 Beneath theI hopper 3 the casing 1 is formed with a slanting bottom member 10 leading toward one face 11 of the casing, which face may be termed the front face, and this slanting bottom leads to and discharges into an outlet 12.
- Each higher baffle is spaced from the slanting bottom 10 by a greater distance than the next lower bafHe, so that the distance of the baflies form the slanting bottom increases in ascending order.
- each higher baffle is vertically spaced from the upper edge of the next lower baffle so that a stream of material leaving the feed roller 4.- will drop upon the upper portion of the top surface of the first baffle and sliding down this baffle will fall therefrom through an intervening air space upon the second bathe near the upper end thereof, and so on throughout the series.
- the front 11 is provided with an opening 14 traversed by a number of superposed inclined spaced slats 15 so that air may enter through the opening 14 in numerous streams.
- the casing is also provided with a window 16 by means ot' which. the interior of the casing may be viewed from time to time as may be necessary.
- Communicating with the interior of the casing above the inclined or slanting bottom 10 is a suction pipe 17 provided with a regulating valve 18.
- This application is a division ot application No. 711,145, tiled by me on July 23, 1912, for improvements in milling machines.
- V'Vhat is claimed is 1.
- a casing provided with a forwardly slanting bottom member, a slanting series of superposed, slanting imperforate battles in front of and above the bottom member, said battles all slanting in the same direction, and each higher batlle having its lower edge in lront ci" the vertical plane of and spaced above the upper edge ot the next lower battle, means for delivering material on to the uppermost of the series ot' batlles, air outlet means to the rear ot and above the series of battles, and air inlet means on the side of the series of battles remote from the slanting bottom and positioned with espect to said battles to direct air through the spaces between the battles in traversing relation to streams et material falling from each battle to the next lower one in order, the air inlet means being located opposite the lower battles and below the higher battles.
- a casing for the purpose described, a casing, a slanting series ot superposed slanting imperforate battles therein, all slanting toward the front of the casing, with each battle in spaced relation to the next lower baiiie to deliver on the upper end thereof, means for the withdrawal of air from the casing at a point higher than and to the rear of the battles, and a forwardly slanting bottom member underriding the series of baiHes, the casing being provided with openings in front of the series of battles in position to direct air to and through the series of battles toward the rear of the casing.
- a casing provided with a forwardly slanting bottom member, a series of superposed slanting battles in front of and directly above the bottom member and all slanting in the same direction, the baffles increasing in distance from the slanting bottom in ascending order, means for delivering material upon the uppermost of the series ot' baffles, means for withdrawing air ⁇ from a high point at the rear of the casing, and air inlet means at the front of the casing near the bottom portion of the series of battles.
- a casing provided with a forwardly slanting bottom member, a rearwardly slanting series oi" superposed slanting ballles in front of and directly above the bottom member and all slanting forwardly and increasing in distance from the slanting bottom in ascending order, means for delivering materail on to the uppermost battle of the series, means for exhausting air from a high point in the casing to the rear of the series of battles, and means for delivering material thereonto, said casing being provided at the front of the battles with an opening and a series of superposed slats slanting downwardly with relation to the baflies, said opening being located opposite the lower end of the series of baffles and below the upper end of said series.
- a. casing provided with an upright front member having an opening therethrough near the lower end, a series of downwardly slanting slats lodged in the opening, an inclined bottom in the casing slanting downwardly toward the front thereof, and at the lower end dening an outlet between the bottom member and the front of the casing, an exhaust duct at the top rear portion of the casing, means at a high point for introducing material into the casing, and a rearwardly slanting series of superposed slanting imperforate baflies all directly above the bottom member with each higher bae having its lower edge in front of the vertical plane of and spaced above the upper edge of the next lower baliie and with the uppermost baffle in position to receive material Jfrom the introducing means, the baffles of the series increasing in distance from the slanting bottom in ascending order.
Description
W. R. LAKEY.
MILLING MACHINE.
APPLICATION FILED APR. Vl2, 1913. 1,085,922. Patented Feb.3,1914.
ATTORNEY WITNESSES WILLIAM RAY LAKEY, OF BENTON, TEXAS.
MILLING-MACHINE.
Original application filed July 23, 1912, Serial No. 711,145.
To all whom it may concern Be it known that I, WILLIAM R. LAKEY, a citizen of the United States, residing at Denton, in the county of Denton and State of rl`exas, have invented a new and useful l\flilling-Machine, of which the following is a specification.
This invention has reference to improvements in milling machines, and its object is to provide a machine for the thorough removal of dirt and other substances that should not follow the stock, and to carry the removed material to a dust collector for further treatment.
In accordance with the present invention the direction of travel of the stock is broken numerous times while the fall of stock from one direction changing means to the next is short, thereby admitting of relatively strong air currents without liability of carrying away any parts of the falling stock except those which it is desirable should be extracted by such air currents. In the pres'- ent machine the air currents traverse the falling stock during each period of fall, while the parts are so dimensioned as to prevent any change in the action of the air currents on the dropping stock at different parts of the apparatus, so that there is no liability of uneven action of the air currents and consequent escape of some portions of the removable parts of the stock on being carried by such moving stock toward the action of the air currents.
The present invention also provides a means which will cool and partially dry the stock thereby materially aiding in the subsequent grinding and bolting, and thereby greatly improving the quality of the product and also increasing the yield and profits.
The invention will be best understood from a consideration of the following detailed description, taken in connection with the accompanying drawings forming a part of this specification, with the further understanding that while the drawings show a practical form of the invention the latter is not confined to any strict conformity with the showing of the drawings but may be changed and modied so long as such changes and modifications mark no material departure from the salient features of the invention.
In the drawingsz-Figure 1 is an elevation o-f the machine embodying the present Specification of Letters Patent.
Patented Feb. 3,1914.
Divided andvthis application led April 12,
Serial No. 760,680.
invention.. Fig. 2 is a section on the line 2 2 of Fig. 1 with some distant parts also shown 1n section.
Referring to the drawings there is shown a casing 1 having an inlet duct 2 discharging into a hop-per 3 at the lower end of which there is located a feed roller 4 and a gate 5, the latter being controlled by an adjustable weight 6 so that stock may be evenly spread and the degreeof feed controlled by the adjustment of the weight 6, the gate 5 being substantially pendent and the weight being carried by an arm 7 fast to and outstanding from the gate in a direction away from the feed roller. The'gate is attached to the hopper by a hinge 8 to permit its yield under the action of the grain and the movement of the feed roller 4. The arbor of the feed roller extends through the casing to the exterior thereof and may there carry a pulley 9 by means of which power may be applied to rotate the feed roller in the proper direction.
Beneath theI hopper 3 the casing 1 is formed with a slanting bottom member 10 leading toward one face 11 of the casing, which face may be termed the front face, and this slanting bottom leads to and discharges into an outlet 12.
Adjacent to and above the slanting bottom 10 there is a series of superposed slanting baffles 13, each higher one being in the main back of the next lower one with respect to the front 11, but with its lower edge extending a short distance in front of the vertical plane of the upper edge of the next lower baffle. Each higher baffle is spaced from the slanting bottom 10 by a greater distance than the next lower bafHe, so that the distance of the baflies form the slanting bottom increases in ascending order. Moreover each higher baffle is vertically spaced from the upper edge of the next lower baffle so that a stream of material leaving the feed roller 4.- will drop upon the upper portion of the top surface of the first baffle and sliding down this baffle will fall therefrom through an intervening air space upon the second bathe near the upper end thereof, and so on throughout the series. Y
The front 11 is provided with an opening 14 traversed by a number of superposed inclined spaced slats 15 so that air may enter through the opening 14 in numerous streams.
The casing is also provided with a window 16 by means ot' which. the interior of the casing may be viewed from time to time as may be necessary. Communicating with the interior of the casing above the inclined or slanting bottom 10 is a suction pipe 17 provided with a regulating valve 18.
It' it be assumed that the stock is entering the hopper 3 through the conduit 2 and air is being withdrawn through the suction pipe 17 and, furthermore, that the feed roller a is rotating counterclock-wise as viewed in Fig. 2, a thin wide stream of stoclx is fed past the gate and gravitates upon the uppermost baille 13 and is subjected in its fall to an air stream traversing a space between the roller et and said batlle. rlChe stream of material falls from each higher baille on to the next lower battle and from the lowermost battle on to the slanting bottom 10 or directly into the escape conduit 12. During each point of free falling ot the material from battle to battle the material or stock is traversed by an air stream coming trom the front ot the machine toward the inclined bottom 10 and finally leaving the casing through the exhaust conduit 17. With the arrangement shown the action of the air stream is substantially the same at every point where the stock freely falls. Moreover the extent of fall of the vstock is in each instance comparatively short, so that strong air streams may be employed which will remove all material that it is desired should be removed from the stock, while not carrying any part of the stock which it is desirable should not be removed. Even if the air streams be strong enough to cause some of the heavier portions which it is desirable should not be removed to travel toward the air suction pipe or trunk, the greater weight of the heavier particles will soon release them from the influence of the air stream and they will fall upon the inclined bottom 10 and gravitate to the escape pipe or duct 12, wherefore the liability of loss of material is practically eliminated even though the air streams be much stronger than heretofore employed in machines Vof this character. It is advantageous to em` ploy strong air streams since the cleansing is then much more effective than with air streams of less force, but in prior devices of the character of the present invention no attempt has been made to render the several air streams practically uniform so far as their effect upon the stock is concerned and also to distribute these streams throughout the whole range of movement of the stock through the apparatus.
This application is a division ot application No. 711,145, tiled by me on July 23, 1912, for improvements in milling machines.
V'Vhat is claimed is 1. In a machine for the purpose described, a casing provided with a forwardly slanting bottom member, a slanting series of superposed, slanting imperforate battles in front of and above the bottom member, said battles all slanting in the same direction, and each higher batlle having its lower edge in lront ci" the vertical plane of and spaced above the upper edge ot the next lower battle, means for delivering material on to the uppermost of the series ot' batlles, air outlet means to the rear ot and above the series of battles, and air inlet means on the side of the series of battles remote from the slanting bottom and positioned with espect to said battles to direct air through the spaces between the battles in traversing relation to streams et material falling from each battle to the next lower one in order, the air inlet means being located opposite the lower battles and below the higher battles.
2. In a. machine for the purpose described, a casing, a slanting series ot superposed slanting imperforate battles therein, all slanting toward the front of the casing, with each battle in spaced relation to the next lower baiiie to deliver on the upper end thereof, means for the withdrawal of air from the casing at a point higher than and to the rear of the battles, and a forwardly slanting bottom member underriding the series of baiHes, the casing being provided with openings in front of the series of battles in position to direct air to and through the series of battles toward the rear of the casing.
3. In a machine for the purpose described, a casing provided with a forwardly slanting bottom member, a series of superposed slanting battles in front of and directly above the bottom member and all slanting in the same direction, the baffles increasing in distance from the slanting bottom in ascending order, means for delivering material upon the uppermost of the series ot' baffles, means for withdrawing air `from a high point at the rear of the casing, and air inlet means at the front of the casing near the bottom portion of the series of battles.
4. In a machine for the purpose described, a casing provided with a forwardly slanting bottom member, a rearwardly slanting series oi" superposed slanting ballles in front of and directly above the bottom member and all slanting forwardly and increasing in distance from the slanting bottom in ascending order, means for delivering materail on to the uppermost battle of the series, means for exhausting air from a high point in the casing to the rear of the series of battles, and means for delivering material thereonto, said casing being provided at the front of the battles with an opening and a series of superposed slats slanting downwardly with relation to the baflies, said opening being located opposite the lower end of the series of baffles and below the upper end of said series.
5. In a machine for the purpose described, a. casing provided with an upright front member having an opening therethrough near the lower end, a series of downwardly slanting slats lodged in the opening, an inclined bottom in the casing slanting downwardly toward the front thereof, and at the lower end dening an outlet between the bottom member and the front of the casing, an exhaust duct at the top rear portion of the casing, means at a high point for introducing material into the casing, and a rearwardly slanting series of superposed slanting imperforate baflies all directly above the bottom member with each higher bae having its lower edge in front of the vertical plane of and spaced above the upper edge of the next lower baliie and with the uppermost baffle in position to receive material Jfrom the introducing means, the baffles of the series increasing in distance from the slanting bottom in ascending order.
In testimony, that I claim the foregoing as my own, I have hereto aiiiXed my signature in the presence of two witnesses.
Witnesses J. FRED RAYZOR, R. T. MAY.
Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Eatents, Washington, D. G.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US760680A US1085922A (en) | 1912-07-23 | 1913-04-12 | Milling-machine. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US71114512A US1085921A (en) | 1912-07-23 | 1912-07-23 | Milling-machine. |
US760680A US1085922A (en) | 1912-07-23 | 1913-04-12 | Milling-machine. |
Publications (1)
Publication Number | Publication Date |
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US1085922A true US1085922A (en) | 1914-02-03 |
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ID=3154149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US760680A Expired - Lifetime US1085922A (en) | 1912-07-23 | 1913-04-12 | Milling-machine. |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2973863A (en) * | 1958-06-23 | 1961-03-07 | Phillips Petroleum Co | Cascading vane dust removal elutriator |
-
1913
- 1913-04-12 US US760680A patent/US1085922A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2973863A (en) * | 1958-06-23 | 1961-03-07 | Phillips Petroleum Co | Cascading vane dust removal elutriator |
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