US1625553A

US1625553A - Pulverizing machine

Info

Publication number: US1625553A
Application number: US644166A
Authority: US
Inventors: William K Liggett
Original assignee: Jeffrey Manufacturing Co
Current assignee: Jeffrey Manufacturing Co
Priority date: 1923-06-08
Filing date: 1923-06-08
Publication date: 1927-04-19
Anticipated expiration: 1944-04-19

Description

Surface of the flanges 24;, while the corresponding surfaces 26' of the lower lining plates 2l are of conical contour inclined inwardly from the shaft. .By this arrangement of the parts the openings 18 in the end Walls of the casing are substantially closed by the flanged end disks 19, so that-particles of material which work outwardly between theflangcs 24 and thefu plates 2O or which collectupon the flanges 24 are carried around by the rotation of the flanges 9A and are dropped upon the inclined surfaces Q6 of the plates 21 and deflected by them onto the grating 15 and are discharged with the finished product between the grate bars.

By the arrangement of parts above described the machine is adapted to the piilverization of abrasive 5material without danger of dust and dirt escaping, to any injurious extent, from the substantially closed casing, and the journal bearings upon which the rotor is supported are so thorouglily protectedV from the finely divided, material which tends to escape through the smallest crevices of the casing that relatively expensive and delicate ball bearings may be economically used, thereby permitting the `rotor to revolve at extremely highvelocities and with minimum power consumption.

1. In a machine of the class described, the combination of a casing having an opening through a portion of its end wall to permit access tothe interior of said casing, a sha-ft traversing said c asiiig with its end projecting through the opening, bearings for said shaft spaced from said casing to provide a working area, and a disk rotating with said shaft and lying closely adjacent the opening with its periphery in close proximity to the circumferential wall of said opening.

2 In a machine of the class described, the combination of a casing having an opening through the uppera portion of its end wall to permit access to the interior of said casing,`a shaft traversing said casing with its end projecting through the opening, bearings for said shaft spaced from said casing to provide a working area, a diskrotatiiig with said shaft and lying closely 4adjacent t-he opening with its periphery in close prox- 'imity to the circumferential Wall of said opening, and an exterior cover for said opening.

3. In a machine of the class described, the combination of a casing having an open ing through the upper portion of its eidV wall. an abutment on the casing wall below said opening inclined inwardly toward the interior of the casing, a shaft traversin said casin'g with its end projectin throu the opening, bearings for said sha space from said casing to provide s. working' area, n.

Lacasse disk rotating with said shaft, and a horizontal flange on said disk closely adjacent the opening with its periphery in close prox` imityuto the circumferetialwall of said opening.

All '[ii a machine of the class described, the combination of a casing having an opening through the upper portion of its end wall, the circumferential Wall of which is cylindrical above the horizontal center of the casing and the vertical wall of which ris inclined inwardly toward the interior of the casing below said horizontal center, a lrotor iii said casing, bearings yfor said rotor, and a `cylindrical part on'said rotor closely adjacent said opening with its periphery in close proximity to the circumferential wall of said opening. i

5. I'n amachine of the class described, the combination of a casing having an opening in the' upper portion of itsend wall to permit access to the interior of said casing, a shaft traversingsaid casing with its end projecting through the opening, bear# ings for said shaft spaced from the casing to provide a working area, aV liner plate ,secured to the inner face of said end wall and having a circumferential opening therein, and a disk rotating with said shaft and lying within the opening in said liner with its periphery in close proximity to the circumferential wall of the liner opening.

6. In a machine of the class described, the combination of a casing having an opening iii the upper portion of its end wall to permit access tothe interior of said casing, a shaft traversing said casing with' its end projecting throughthe opening, bear ings for said shaft spaced `.from the casing to provide a working area, a liner plate vsecured to the inner face of said .end wall and having a circumferential opening therein, the peripheral Wall'of which is in.- clined inwardly and downwardly through in the upper portion of its. end wall topermit access to the interior of said casing, a shaft traversing said casing with its end projecting through the opening, bearlll ings for said shaft spaced from-the casing I to provide a working area, a vertically divided liner plate of relatively hard material secured tothe inner-face'of said end `wall and having a circumferential o nin therein, and a disk rotat with sai 125 sha and lying within the opening in said liner '-,with its periphery in close proximity to hner opeiif l the circumferential wall of the mg. f

' 8. In a machine of the class described, the combination of a casing having an opening in the upper portion of its end wall to permit access to the interior of said casing, a shaft traversing said casing with its end projecting through the opening, bearings for said shaft spaced from the casing to provide va Working area, va vertically divided liner plate of relatively hard ma- 10 terial secured to the inner face of saidv end `Wall and having a circumferential.

-liner With its periphery in c ose proximity to the circumferential wall of the liner opening, and a cover plate for the opening in the end wall of said casing.

In testimony whereof I have hereunto set my hand.

WILLIAM K. LIGGETT.