Sand making machine

Abstract

The invention discloses a sand making machine. The sand making machine comprises a crushing box, a feed port, a discharge port and a motor; the feed port is fixedly inserted in the top wall of the crushing box; the discharge port is fixedly inserted in the bottom wall of the crushing box; multiple first grinding teeth are fixed on the inner side wall of the crushing box; the hammer sand making machine for rare earth crushing is simple in structure; through additional arrangement of a crushing hammer, a first spring, a slide rod, a limiting block, bore spines and the first grinding teeth, rareearth is crushed by the crushing hammer rotated at high speed; at the same time, the crushed rare earth achieves higher kinetic energy under the effect of the crushing hammer; the rare earth collidesthe inner wall of the crushing box for crushing again under the effect of the first grinding teeth; meanwhile, when the rare earth collides the bore spines, the rare earth is rebounded immediately, sothat the slide rod slides out to collide other rare earth particles; and when massive rare earths are not crushed, but fall onto a spherical rubber plate, the massive rare earth is rebounded for crushing again by the crushing hammer, so that higher practicability is achieved.

Description

technical field [0001] The invention relates to the technical field of crushing machinery, in particular to a sand making machine. Background technique [0002] Rare earths have the reputation of industrial vitamins, and now they have become extremely important strategic resources. There are many rare elements in rare earths. Rare earth elements have been widely used in petroleum, chemical industry, metallurgy, textile, ceramics, glass, permanent magnet materials and other fields. , with the advancement of science and technology and the continuous breakthrough of application technology, the value of rare earth oxides will become higher and higher, but the existing rare earth pulverization effect is not good, and the particles after pulverization are still relatively large, so it is necessary to make rare earth into sand , more conducive to the extraction of elements, for this purpose, a sand making machine is proposed. Contents of the invention [0003] The purpose of the...

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Problems solved by technology

[0002] Rare earths have the reputation of industrial vitamins, and now they have become extremely important strategic resources. There are many rare elements in rare earths. Rare earth elements have been widely used in petroleum, chemical industry, metallurgy, textile, ceramics, glass, permanent magnet materials and other fields. , with the advancement of science and technology and the

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