Efficient crusher

Abstract

The invention provides an efficient crusher. The efficient crusher comprises a machine frame, a shell, a crushing cavity, a grinding wheel support, a grinding device, a grinding driving device, a feeding device, a negative pressure discharging device, an air channel and a grading device, wherein the shell is fixedly arranged on the machine frame, the crushing cavity is arranged inside the shell, and the bottom of the crushing cavity is in communication with the bottom of the shell; the grinding wheel support is provided with an upper grinding disc and a lower grinding disc, the grinding deviceis arranged between the upper grinding disc and the lower grinding disc and comprises a grinding wheel groove, a grinding wheel, a grinding ring and an inner grinding ring, the grinding driving device is arranged on the machine frame, and the feeding device is arranged on the shell and extends into the crushing cavity and is located above the grinding wheel support; the negative pressure discharging device is located at the top end of the shell and is provided with an inlet end surface, the air channel is formed by a gap between the crushing cavity and the inner side of the shell, and the grading device is arranged between the negative pressure discharging device and the air channel and comprises a grading wheel and a grading motor driving the grading wheel. The grading wheel is arrangedon the inlet end surface, and the grading wheel and the grading motor form an undulating and clearance fit.

Description

technical field [0001] The invention relates to a high-efficiency pulverizer. Background technique [0002] The pulverizer is a machine that crushes large-sized solid raw materials to the required size; the pulverizer is composed of coarse crushing, fine crushing, wind conveying and other devices, and achieves the purpose of crushing materials in the form of high-speed impact; the grinding wheel device of the existing pulverizer, through Multiple grinding wheels are installed in the grinding wheel groove of the grinding wheel bracket, and the motor drives the transmission shaft to drive the grinding wheel bracket to rotate, and further drives the grinding wheel and the grinding ring installed on the outside of the grinding wheel bracket to squeeze and rub against each other to achieve the purpose of crushing the grinding material; the grinding wheel is installed through the pin shaft In the grinding wheel groove of the grinding wheel bracket, the grinding ring on the outside...

AI Technical Summary

Problems solved by technology

[0002] The pulverizer is a machine that crushes large-sized solid raw materials to the required size; the pulverizer is composed of coarse crushing, fine crushing, wind conveying and other devices, and achieves the purpose of crushing materials in the form of high-speed impact; the grinding wheel device of the existing pulverizer, through Multiple grinding wheels are installed in the grinding wheel groove of the grinding wheel bracket, and the motor drives the transmission shaft to drive the grinding wheel bracket to rotate, and further drives the grinding wheel and the grinding ring installed on the outside of the grinding wheel bracket to squeeze and rub against each other to achieve the purpose of crushing the grinding material; the grinding wheel is installed through the pin shaft In the grinding wheel groove of the grinding wheel bracket, the grinding ring on the outside of the grinding wheel bracket is squeezed and rubbed against each other during rotation, and the reaction force received is transmitted to the grinding wheel bracket, causing the grinding wheel bracket to crack until it breaks, and the grinding wheel bracket needs to be replaced frequently, and the cost is relatively high High; in addition, the pulverized material is discharged after passing through the grading wheel sieve, and the material that does not reach the qualified mesh is dropped for crushing. It needs multiple crushing to obtain qualified powder, and the efficiency is low, and because the discharging device is fixed Since the housing is stationary, the classifying wheel is driven by the motor to rotate. A certain gap is required between the classifying wheel and the discharge device to maintain relative movement. When processing ultra-fine powder, some unqualified powder particles will pass through the gap. Into the classification wheel, resulting in inaccurate powder classification, and then need to rework, seriously affecting the processing efficiency

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