Impact crusher working principle and maintenance method

The impact crusher is a very classic device in the crushing equipment family. It works similarly to the traditional hammer crusher. Both are used to crush the material in an impact manner, but the external structure and working process are also slightly different. The main difference between the two is that the hammer of the impact crusher is a material that meets the requirements from the bottom up. , And throw the material to the counterattack board above, and the hammerhead of the hammer crusher is to strike the material in the direction of the falling of the material. In order to ensure the continuous operation of the impact crusher in the sand production line, and to extend the service life of the equipment, the user should perform regular maintenance and maintenance. After the new aircraft is put into operation, a comprehensive inspection of the counterattack must be conducted after the completion of each shift. After a weekly operation, a comprehensive inspection should be performed on the counter-failed motor and lubrication. The inspection includes comprehensive inspections of the tightening conditions of fixed parts, belt drives, bearing seals, counter-attack linings, and lining wear, and a regular maintenance and replacement system is established in conjunction with the inspection cycle.

In the free-crushing stage, when the material enters the crushing chamber, it will be immediately impacted by the high-speed plate hammer and the mutual impact between the materials. At the same time, the friction between the plate hammer and the materials and materials will make the materials in the crushing chamber. Being crushed. Due to the impact of the plate hammer on the rotor rotating at a high speed, the material will get a high speed of movement, and then hit the counterattack board, so that the material will be further broken, which is the rebound crushing stage. The last is the grinding and crushing stage. After the above two kinds of crushing, the materials that are not broken and larger than the size of the discharge port are broken by the high-speed rotary hammer at the discharge port.

Conventional overhaul and maintenance usually include: adjustment of the rotor and backlash of the impact crusher, timely replacement of wearing parts, periodic inspection of plate hammer, liner, bearing temperature and so on.
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