Crushing and screening all-in-one machine for fertilizer production line

Abstract

The invention discloses a crushing and screening all-in-one machine for a fertilizer production line. The crushing and screening all-in-one machine structurally comprises a machine body, a crushing bin, a transmission shaft, crushing cutters, a motor and a uniform screening device, wherein a discharging opening and limiting grooves are formed in the bottom end of the machine body, the limiting grooves are formed in the top end and the bottom end of the discharging opening, and the uniform screening device is arranged on the discharging opening and clamped with the limiting grooves; the uniform screening device is composed of a screen, a compression pad and a corner cleaning mechanism, and the corner cleaning mechanism is arranged at the bottom end of the screen. According to the crushing and screening all-in-one machine, a lifting pin is arranged at the top end of the screen, a worm disc is driven by the motor, the worm disc abuts against the lifting pin through a protruding part to enable the lifting pin to move downwards when the worm disc rotates, and meanwhile, after the protruding point of the worm disc rotates, the lifting pin meets a section of fall of the worm disc, the lifting pin is rebounded, the screen is disturbed, and materials at the bottom of the screen are flattened, so that particles on the top are prevented from being driven by the crushing cutters to be further crushed after the materials are stacked, and the uniformity of finished products is guaranteed.

Description

technical field [0001] The invention relates to the field of fertilizer production, in particular to a crushing and screening integrated machine used in a fertilizer production line. Background technique [0002] In the process of fertilizer production, it is necessary to use crushing equipment to crush the raw materials, and then use a suitable size screen to make the crushed materials reach the size of the screen before they can be discharged, so as to achieve the effect of integrated crushing and screening; [0003] When the material moves in a circular motion following the crushing knife in the crushing chamber, some particles of the right size will be blocked at the junction of the bottom of the screen, which is also the place where the material is directed by the tangential force of the crushing knife, making more The particles will accumulate here, resulting in partial blockage of the screen. At the same time, the particles on the top of the accumulation will be drive...

AI Technical Summary

Problems solved by technology

[0003] When the material moves in a circular motion following the crushing knife in the crushing chamber, some particles of the right size will be blocked at the junction of the bottom of the screen, which is also the place where the material is directed by the tangential force of the crushing knife, making more Particles will accumulate here, causing partial blockage of the screen. At the same time, the particles on the top of the accumulation will be driven by the crushing knife for further crushing, which will affect the uniformity of the finished product.

Images