Solid material comminution or disintegration – Apparatus – Cooperating comminuting surfaces
Patent
1995-04-12
1996-11-05
Husar, John M.
Solid material comminution or disintegration
Apparatus
Cooperating comminuting surfaces
241214, 241215, B02C 200, B02C 204
Patent
active
055708501
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to crushers.
BACKGROUND OF THE INVENTION
Known crushers such as that disclosed in Australian patent specification No. 67577/74, the disclosure of which is herein incorporated, have consisted of a first crusher member, which is of a conical configuration and which is caused to vertically reciprocate. Surrounding the first crusher member is a fixed crusher member, which has an internal surface of frusto-conical configuration. The first crusher member co-operates with the frusto-conical surface to provide a converging path along which the material to be crushed passes to be reduced in size.
The above discussed known crushers have the disadvantage of requiring considerable height due to the drive arrangement for the first crusher member.
OBJECT OF THE INVENTION
It is the object of the present invention to overcome or substantially ameliorate the above disadvantage.
SUMMARY OF THE INVENTION
There is disclosed herein a crusher comprising; frusto-conical configuration tapering upwardly; configuration tapering upwardly and being arranged with respect to the movable surface to define a downwardly converging space through which material to be crushed passes; crusher member relative to a fixed crusher member, said motor means including a driven member pivotably mounted for osciallation about a generally horizontal axis and a first coupling extending between said driven member and said movable crusher member to cause said vertical reciprocation thereof.
Preferably the motor means includes a drive beam arranged for horizontal reciprocation and a second coupling extending between the drive and driven members to cause angular oscillation of the driven member on horizontal oscillation of the drive member.
More preferably the drive member is eccentrically mounted on a rotating shaft so as to cause said horizontal reciprocation of the drive member on rotation of the shaft.
More preferably the shaft is on one transverse side of the movable crusher member and the second coupling is on the other transverse side.
Alternatively the drive member is located to one side of the movable crusher member.
DETAILED DESCRIPTION OF THE DRAWING
In the accompanying drawing there is schematically depicted in sectioned side elevation, a crusher according to an embodiment of the invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
In the accompanying drawing there is schematically depicted a crusher 10 to reduce the size of material to be crushed. The crusher 10 includes a vertically movable crusher member 11 having an outer frusto-conical surface 12 which tapers vertically. Surrounding the member 11 is a fixed crusher member 13 having an internal crusher surface 14 also of a frusto-conical surface. The surface 12 and 14 co-operate to define a downwardly reducing space 15 into which material to be crushed is fed. As the material passes down the space 15 it is reduced in size due to the vertical reciprocation of the crusher member 11.
Mounted above the member 13 is a hopper 16 into which the material is delivered to be fed to the space 15.
The space 15 has an open top face 17, and an outlet face 18 which is of circular configuration. The face 18 permits the crushed material to leave the space 15.
The movable crusher member 11 is caused to reciprocate vertically by means of a motor assembly 19. The motor assembly 19 includes a drive beam 20 which is caused to horizontally reciprocate. More particularly, the end 21 of the beam 20, has an eccentric drive mechanism 22 which upon rotation causes the horizontal reciprocation of the beam 20 as well as some angular oscillation.
The other end 23 of the beam 20 engages a toggle mechanism 24. The toggle mechanism is similar to that of Patent Specification No. 67577/74. However by placing the toggle mechanism to one side of the crusher, rather than underneath, the overall height of the crusher is reduced. The toggle mechanism 24 includes a pair of linkages 25 and 26 which are caused to angularly oscillate about horizontal axes due to the h
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