SU283811A1 - HAMMER CRUSHER - Google Patents

Description

The invention relates to the field of devices for the grinding of various materials.

Known hammer crusher for grinding various materials, nanrim-er grain, including a loading device, a rotor with a hammer, mounted in the housing on the shaft and enclosed in a rotating drum, made in the form of a truncated cone, the direction of rotation of which is opposite to the direction of the rotor.

Known hammer crusher is not productive enough.

In the proposed crusher, this disadvantage is eliminated due to the fact that the drum is made perforated and the rotor is conical, in the shape of a drum.

To regulate the degree of grinding of the materials, the rotor is mounted so that it can move along the shaft.

To clean the perforated drum, cylindrical rotating brushes are installed in the housing.

FIG. 1 shows schematically the proposed hammer crusher, side view; in fig. 2 is the same; the section along A-A in FIG. one.

The hammer mill contains a loading device 1, a housing 2, a rotor 3 with hammers 4 mounted in the housing 2 on the shaft 5 and enclosed in a drum 6 made in the form of a truncated cone. Hammers 4 with bushings 7 are seated on axis 8 and can be spread along a helical line. The rotor is supported on two dividers. One of them is installed in housing 2, and the other in drum 6.

On the rotor shaft under the loading opening there is a screw 10, which supplies the product to the crusher.

The rotor is mounted so that it can move along the shaft 5 and is driven to rotate from the electric motor 11 through the clutch 12.

The conical perforated drum 6 rests on two sub-supports 13 and 14 and is rotated by means of a V-belt pulley 15. A part of the perforated surface 16 of the drum 6 can be replaced with deck 17.

For mechanical cleaning of the perforated drum 6, cylindrical brushes 18 are mounted in the housing, rotating around their axis due to contact with the surface of the drum 6.

Hammer crusher works as follows. in a way.

The grain, which is subject to grinding, is fed into the opening of the loading device 1 and further by screw 10 to the crushing zone, where it is crushed as a result of repeated strikes of steel hammers 4 on it, impacts of particles on deck 17, and abrading particles on the perforated surface of drum 6.

meet each other. During the grinding process, the grain moves along the drum 6 toward a larger diameter along the helix due to the effect of centrifugal force (along the generator) and hammers 4 of the rotor 3 (circumferentially). Such movement of grain significantly increases the path of its passage along the perforated surface of the drum.

The crushed grain is removed from the crusher using pneumatic conveying or other means.

Subject invention

Claims (3)

I. Hammer crusher for grinding various materials, such as grain, including a loading device, a housing, a rotor with hammers, mounted in the housing on the shaft and enclosed in a rotating drum, made in the form of a truncated cone, the direction of rotation of which is opposite to the rotation of the rotor, that, in order to increase productivity, the drum is made perforated and the rotor is conical in shape. 2. The crusher according to claim 1, characterized in that, in order to control the degree of material grinding, the rotor is mounted so that it can move along the shaft. 3. Crusher according to claim 1, characterized in that Cylindrical rotating brushes are installed in the casing for cleaning the first peri-drum. 1 J8