Material crushing and screening device

Abstract

The invention discloses a material crushing and screening device. The material crushing and screening device comprises a base, wherein outer walls at the two sides of the top of the base are connected with supporting rods through fixed bolts; a screen is connected between outer walls at opposite two sides of the two supporting rods through a fixed bolt; the outer walls at the tops of the two supporting rods are connected with the same mounting frame through fixed bolts; a mounting hole is formed in the middle part of the top of the mounting frame; a hopper is fixedly connected in the mounting hole through a fixed bolt; the outer wall at one side of the hopper is connected with a motor through a fixed bolt; the output shaft of the motor passes through the outer wall at one side of the hopper; and the outer wall of the output shaft of the motor is welded with a crushing roller. The material crushing and screening device simultaneously performs crushing work and screening work, uses a chain and a crushing hammer to replace a crushing rod and is better in crushing effect; and moreover, when materials are relatively hard, the crushing roller does not have a blocking phenomenon, and the process of switching off the motor to perform material finishing and then switching on the motor is not needed, so that efficiency of crushing and screening work is effectively improved.

Description

technical field [0001] The invention relates to the technical field of crushing and screening devices, in particular to a material crushing and screening device. Background technique [0002] At present, various types of crushers widely used in industrial production include jaw crushers, chain crushers, hammer crushers, ordinary roller crushers, etc. Although these equipments have their own application fields, they also have many shortcomings. For example, the current device needs to separate the crushing and screening work. After crushing the materials in the crusher, the crushed materials are transported to the screen for screening, and then the materials that still need to be crushed are transported to the Secondary crushing is carried out in the crusher, and the work efficiency is low, and the current crushing device uses a crushing rod to crush the material. When the material is relatively hard, the crushing roller is easily stuck in the hopper. At this time, it is nece...

AI Technical Summary

Problems solved by technology

[0002]At present, various types of crushers widely used in industrial production include jaw crushers, chain crushers, hammer crushers, and ordinary roller crushers. Although the equipment has its own application fields, there are also many shortcomings. For example, the current device needs to perform crushing and screening work separately. After the material is crushed in the crusher, the crushed material is transported to the screen. Screening, and then transport the materials that still need to be crushed to the crusher for secondary crushing, the work efficiency is low, and the current crushing device uses crushing rods to crush the materials. When the materials are relatively hard materials, the crushing rollers are easy If it is stuck in the hopper, it is necessary to turn off the motor at this time, and then turn on the motor for crushing after sorting out the materials in the hopper, so the crushing efficiency is low

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