US287481A - Centrifugal bolting-machine - Google Patents

Centrifugal bolting-machine Download PDF

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US287481A
US287481A US287481DA US287481A US 287481 A US287481 A US 287481A US 287481D A US287481D A US 287481DA US 287481 A US287481 A US 287481A
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bolt
machine
bolting
shaft
head
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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
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B07B1/22—Revolving drums

Definitions

  • FIG. 2 shows the manner of attaching the bolting fabricto the frame.
  • Fig. 3 is a view of one of the brads which fasten the edge of the gauze to the bolt-frame.
  • the invention and the apparatus which em'- bodies it consist in general of a case or frame supported by suitable standards, and containing independently-rotating beaters and bolt.
  • the meal is fed into the interior through an opening in the head of the bolt, and is discharged at the opposite end, while a screwconveyer in the bottom of the casing discharges the puried material.
  • the entire apparatus is driven from a single pulley mounted upon a main driving-shaft.
  • A represents the case
  • B B the supporting-standards or frame-work.
  • C represents the main driving-shaft, which is journaled in the upper part of the main frame ⁇
  • the beater D consisting of radial armsl 1, to which are secured blades 2 2, which, by the rotationcf the shaft, receive a rapid rotary motion.
  • the beater is mounted upon the shaft within the bolt E, which surrounds it, and which has a less rapid independent rotation, as hereinafter explained.
  • the head 3 of the. bolt, through which the meal is fed to the interior, is composed of two sections, 4 5.
  • the central section, 4, is a stationary circular disk, and is secured to the casing A by bolts 6 6.
  • the upper edge of the 5o circular disk 4 is beveled off, as shown, to fit snugly the correspondingly-beveled edge of the annular disk or head 5. Any suitable packing may line the meeting edges, to prevent the egress of dust, but not to obstruct the free revolution of the bolt.
  • the annular section 5 is connected by arms 7 to alongitudinally-perforated hub or sleeve, F, through which passes the axle or drivingshaft, the stationary disk 4 having a central opening, to permit the hub to move freely. 6o
  • the meal is fed through a tube, G, which passes through the stationary disk 4 and discharges just inside such disk.
  • the hub F at the opposite or discharge end, is of similar construction.
  • a large outlet-op ening is formed 6 5 in the head of the bolt, (which at this end is solid,) and a series of elevators, G', is attached to the head of the bolt, to assist in discharging the bran.
  • This opening also permits a sufficient quantity of air to enter to cool the meal, and a plate, H, is mounted upon the hub F, at the inlet end, to break the draft.
  • This plate which is made preferably of zinc, has openings near its edge, through which the material passes.
  • the bolt is rotated at much lower speed than the beater by a pulley, I, mounted on the hub F outside the casing. Motion is imparted to this pulley from the driving-shaft by pulleys I vI2 I3, the two latter of which are Xed on the shaft of the screw-conveyer J in the bottom of vthe casing.
  • the bolt is of hexagonal or octagonal form, andis, as usual, covered with a wire or silk gauze fabric. The manner of attaching this fabricV is shown more clearlyin Fig. 2.
  • the heads or end disks of the bolt are connected by rounded bars 10.
  • nails l1 Into these bars are driven (from the outside) nails l1.
  • Each nail consists of an elongated shank, sunted brad, and aflat intermediate head, which bearson the outer surface of the bar, the brad projecting outward.
  • the edge of the gauze fabric, or the binding-strip attached thereto, is pressed down upon the bar l0, the brads projecting through.
  • the binding on the next section of gauze is then lapped over the rst, and the two thicknesses secured by a slat, I2, pressed ⁇ down upon the brads, which may be, if necessary, more firmly held roo the bOlt.
  • the silk or wire is attached in the same manner upon all sides of The silk fabric may be easily removed from any one side of the bolt for repair or renewal. It Vis also rendered more uniformly taut and elastic.
  • I claim- 1 In a centrifugalbolting-machine, the combination of an inclosing-case, a revolving shaft, B, a beater, a bolting-reel, hubsF, and a head composed of a stationary section,4, secured to the case, and an annular close-fitting disk connected to the hub, and an independent feedspout passing through the part 4, and driving mechanism.

Description

(No Model.)
i RSTETTER. GENTRIPUGAL BOLTING MACHINE.
N6. 287,481. Patented, oct. 30, ma
UNITED STATES PATENT Ormes.
FERDINAND strait-TER, onDUBUQUn, low-A.
cENTRlFUGAl. BoLTlNc-MACHINE.
SPECIFICATION forming part of Letters Patent No. 287,481, dated October 30, 1883. nppncann inea March 8,1883. (No model.)
more fully described, and pointed out in they claims, tending to improve the machine and increase its efficiency and durability. The invention is illustrated in the accompanying drawings, in which Figurel is a lonf gitudinal section. Fig. 2 shows the manner of attaching the bolting fabricto the frame. Fig. 3 is a view of one of the brads which fasten the edge of the gauze to the bolt-frame. The invention and the apparatus which em'- bodies it consist in general of a case or frame supported by suitable standards, and containing independently-rotating beaters and bolt. The meal is fed into the interior through an opening in the head of the bolt, and is discharged at the opposite end, while a screwconveyer in the bottom of the casing discharges the puried material. The entire apparatus is driven from a single pulley mounted upon a main driving-shaft.
Referring more particularly to the drawings, A represents the case, and B B the supporting-standards or frame-work.
C represents the main driving-shaft, which is journaled in the upper part of the main frame` Upon this shaft is mounted the beater D, consisting of radial armsl 1, to which are secured blades 2 2, which, by the rotationcf the shaft, receive a rapid rotary motion. The beater is mounted upon the shaft within the bolt E, which surrounds it, and which has a less rapid independent rotation, as hereinafter explained.
The head 3 of the. bolt, through which the meal is fed to the interior, is composed of two sections, 4 5. The central section, 4, is a stationary circular disk, and is secured to the casing A by bolts 6 6. The upper edge of the 5o circular disk 4 is beveled off, as shown, to fit snugly the correspondingly-beveled edge of the annular disk or head 5. Any suitable packing may line the meeting edges, to prevent the egress of dust, but not to obstruct the free revolution of the bolt. y I
The annular section 5 is connected by arms 7 to alongitudinally-perforated hub or sleeve, F, through which passes the axle or drivingshaft, the stationary disk 4 having a central opening, to permit the hub to move freely. 6o The meal is fed through a tube, G, which passes through the stationary disk 4 and discharges just inside such disk. The hub F, at the opposite or discharge end, is of similar construction. A large outlet-op ening is formed 6 5 in the head of the bolt, (which at this end is solid,) and a series of elevators, G', is attached to the head of the bolt, to assist in discharging the bran. This opening also permits a sufficient quantity of air to enter to cool the meal, and a plate, H, is mounted upon the hub F, at the inlet end, to break the draft. This plate, which is made preferably of zinc, has openings near its edge, through which the material passes.
The bolt is rotated at much lower speed than the beater by a pulley, I, mounted on the hub F outside the casing. Motion is imparted to this pulley from the driving-shaft by pulleys I vI2 I3, the two latter of which are Xed on the shaft of the screw-conveyer J in the bottom of vthe casing. The bolt is of hexagonal or octagonal form, andis, as usual, covered with a wire or silk gauze fabric. The manner of attaching this fabricV is shown more clearlyin Fig. 2.
The heads or end disks of the bolt are connected by rounded bars 10. Into these bars are driven (from the outside) nails l1. (Shown in detail in Fig. 3.) Each nail consists of an elongated shank, apointed brad, and aflat intermediate head, which bearson the outer surface of the bar, the brad projecting outward. The edge of the gauze fabric, or the binding-strip attached thereto, is pressed down upon the bar l0, the brads projecting through. The binding on the next section of gauze is then lapped over the rst, and the two thicknesses secured by a slat, I2, pressed `down upon the brads, which may be, if necessary, more firmly held roo the bOlt.
by one or two screws, 13. The silk or wire is attached in the same manner upon all sides of The silk fabric may be easily removed from any one side of the bolt for repair or renewal. It Vis also rendered more uniformly taut and elastic.
Having described my invention, I claim- 1. In a centrifugalbolting-machine, the combination of an inclosing-case, a revolving shaft, B, a beater, a bolting-reel, hubsF, and a head composed of a stationary section,4, secured to the case, and an annular close-fitting disk connected to the hub, and an independent feedspout passing through the part 4, and driving mechanism.
2. The combination of the driving-shaft C andthebeater with the hubs F of the bolting- FERDINAND STETTER.
Witnesses: p
PETER KIENE, Jr. FRANK H. WEIHE.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2530862A (en) * 1945-05-08 1950-11-21 Franklin M Cornell Screening ball mill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2530862A (en) * 1945-05-08 1950-11-21 Franklin M Cornell Screening ball mill

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