A fully automatic grinding machine for ore mining

Abstract

The invention relates to the technical field of grinding machine equipment, and discloses a fully automatic grinding machine for ore mining, including a frame and a drum, the inner wall of the drum is connected with a liner through a connecting block, and the liner and the drum A driving bag is arranged between the inner walls, and the driving bag is filled with expansion plastic fluid. The ore mining adopts a fully automatic grinding machine. Through the hinge of the lining plate, when the mineral material is rising, because the side of the lining plate away from the connecting block is lower, the formed slope forms a support for the mineral material, effectively reducing the mineral material. Skidding, and when the mineral material reaches the high point, the lining board will actively separate the mineral material when it is opened, which can ensure the separation of the mineral material from the drum at high speed, expand the operating speed range of the grinding machine, and use the expansion plasticity The instantaneous fluid expansion is approximately fixed to increase the impact force, and at the same time, the force buffer force can be distributed to the whole world, greatly reducing the damage caused by the impact force, and at the same time, the noise generated by the impact will also be greatly reduced.

Description

technical field [0001] The invention relates to the technical field of grinding machine equipment, in particular to a fully automatic grinding machine for ore mining. Background technique [0002] Ball mill is a kind of ore grinding machine. The main component is a horizontal drum, and the grinding body is installed in the cylinder. The grinding body is generally a steel ball, and it is loaded into the cylinder according to different diameters and certain proportions. The grinding body can also be steel segments. The material is selected according to the particle size of the grinding material, and the material is loaded into the barrel through the hollow shaft at the feed end of the ball mill. When the barrel of the ball mill rotates, the grinding body is attached to the liner of the barrel due to inertia, centrifugal force, and friction. It is taken away by the cylinder, and when it is brought to a certain height, it is thrown down due to its own gravity, and the falling gr...

AI Technical Summary

Problems solved by technology

[0003] Generally, the rotating speed of the drum is different, and the motion state of the grinding body and the mineral material is different. When the rotating speed is higher than the critical speed, the centrifugal force of the grinding body and the mineral material is relatively large, and it moves circularly against the inner wall of the drum, without grinding and impact. , and when the speed is low, relative sliding occurs during the rising period. At this time, there is no impact on the material, which greatly reduces the grinding efficiency. In actual operation, the composition and phase of the mineral material and the mineral material, steel ball Different filling materials have different requirements for speed, which increases the difficulty of grinding machine operation.

[0004] Secondly, when the steel balls and mineral materials are thrown down, a large impact force is generated on the lining plate. Even if the impact-resistant and wear-resistant lining plate is selected, its service life is quite limited and needs to be replaced regularly. The quality of the plate is relatively large, and the replacement is also relatively complicated. Secondly, the ball mill will generate a lot of noise when it is working, which is far higher than the environmental protection requirements, and further improvement is needed.

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