Back striking stick for vortex crushing chamber of vertical impact crusher

Abstract

The invention relates to a back striking stick for a vortex crushing chamber of a vertical impact crusher. The back striking stick comprises a prismatic stick body, and the two ends of the stick body are respectively provided with a prismatic fixing part and a cylindrical locating part. The back striking stick is set into a prismatic shape, thus having a plurality of back striking surfaces; when one of the back striking surfaces is worn, the worn back striking surface can be rotated at a certain angle, and the side face of another prism can be used as the back striking surface for continuously producing, so that the utilization rate of the back striking stick is improved, and the defects that a cylindrical back striking stick is low in sand making rate and material utilization rate during sand making are also overcome; therefore, the back striking stick provided by the invention realizes high sand making rate, increases the material utilization rate and is high in yield and low in energy consumption; the upper part and the lower part of the back striking stick are respectively provide with the quadrangular prism-shaped fixing part and the cylindrical locating part, so that not only are the four sides of the fixed part conveniently fixed by press blocks, but the fixed part can be also conveniently rotated at the certain angle.

Description

technical field [0001] The invention relates to a vertical impact crusher in mining mechanical equipment, in particular to a counter-attack rod for a vortex crushing chamber of the vertical impact crusher. Background technique [0002] At present, the counterattack rods in the domestic and foreign markets are round, and the sand production rate in the crushing process is similar to that of ordinary counterattack plates. Not only can the sand production capacity not be increased, but the utilization rate of materials is wasted. Because the counterattack rod is round, the visual relationship of each position is relatively similar, and the wear condition cannot be observed conveniently and effectively during use. Since the materials are ejected at high speed from the rotor body, most of the materials are projected at 1 / 2 of the height of the inner cavity of the rotor. , It is easy to cause breakage under the impact of the material, which leads to the counterattack rod cannot b...

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem of low utilization rate of the impact bar of the existing vertical impact crusher, the present invention provides a vertical impact crusher vortex crushing cavity Counterattack rod, the counterattack rod changes the existing cylindrical counterattack rod into a prismatic shape, thereby improving the production capacity of the crusher, the utilization rate of the counterattack rod and the grain shape of the sand forming rate, and also overcomes the impact of the cylindrical counterattack rod. Low sand production rate and low material utilization rate exist during sand production, so as to achieve high sand production rate of counterattack rods, increase material utilization rate, and achieve high output and low energy consumption

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