An external knocking drum screening device for preparing plaster of paris powder

Abstract

The invention discloses an external knocking type drum screening device for preparing plaster of paris, which comprises a drum screen and a power mounting seat for installing the drum screen and driving the drum screen to rotate, and the power mounting seat is equipped with A torsion mounting frame, and the torsion mounting frame is equipped with an outer rigid percussion mechanism located directly above the drum screen, and the external rigid percussion mechanism provides torsion elastically abutting against the drum screen through the torsion mounting frame. The outer side of the drum screen is driven to rotate in conjunction with the drum screen; the outer side of the drum screen is equipped with a plurality of drum outer cushion mechanisms distributed equidistantly around the axis of the drum screen, and the driven drum due to torsion is installed directly above the drum screen. The outer rolling cylinder is rolled, and the drum outer pad mechanism is installed on the outer periphery of the trommel screen to cooperate with the rotation to periodically lift the outer rolling cylinder, and the knocking drum screen can be adjusted by adjusting the lifting height and torsion strength of the outer rolling cylinder. intensity.

Description

technical field [0001] The invention relates to the technical field of drum screening devices, in particular to an external knocking drum screening device for preparing plaster of paris powder. Background technique [0002] Drum sieve is a kind of machine widely used in sorting technology. It sieves the powder whose particle size is smaller than the sieve hole through uniformly distributed sieve holes. It is often used to sieve paris plaster powder. The impurities in the plaster powder are screened. [0003] Due to the poor fluidity of gypsum powder, the sieve hole of the drum screen is often blocked, which will cause poor feeding and frequent shutdown for cleaning. Therefore, it is necessary to knock the rotating drum screen to shake off the clogged powder, so as to ensure the drum The sieve is running normally. In the prior art, external knocking and internal knocking are generally used to remove clogged powder. [0004] Among them, the external percussion type generally...

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide an external knocking drum screening device for preparing plaster powder, to solve the difficulty in controlling the force of knocking the drum screen within an appropriate range in the prior art, and to shake off the clogged powder with a single knock. The problem of unsatisfactory effect

Images