A dust-reducing and sand-reducing machine

Abstract

The invention discloses a dust-reducing and sand-falling machine, which comprises a machine body and a sand and gravel circulation assembly installed on the machine body; a coarse sand filter screen is obliquely placed inside the machine body, and a coarse sand outlet is provided on the lower end of the coarse sand filter screen of the machine body The top of the gravel circulation assembly communicates with the sand inlet on the top of the machine body, and the bottom communicates with the coarse sand outlet; the gravel circulation assembly includes a vertically arranged conveying platform and a plurality of circulating lifting plates; on the conveying platform There are multiple bosses at equal intervals; each of the circulating lifting plates is hinged on a boss through a torsion spring, and the storage surface of each circulating lifting plate is perpendicular to the surface of the conveying platform at the respective installation position . It realizes the secondary crushing of the sand that still does not meet the use standard after the first crushing, without manual sieving and refilling, saving time and effort.

Description

technical field [0001] The invention belongs to the field of casting, and in particular relates to a dust reducing and sand dropping machine. Background technique [0002] Shakeout machine is a casting equipment that uses vibration and impact to separate the sand in the mold from the casting. The vibration source of the shakeout machine is divided into three types: mechanical, electromagnetic and pneumatic, and the mechanical inertial shakeout machine is widely used. [0003] In the prior art, the invention patent with the notification number CN106362518A discloses "a falling sand spray dust suppression device and its method". The technical solution includes a sand falling cover, a sand shaking machine, and a sand box. The box is connected with the shakeout machine, and it is characterized in that it also includes a high-pressure fog-making device. The high-pressure fog-making device includes a high-pressure pump, a pipeline, and a high-pressure nozzle, and the high-pressur...

AI Technical Summary

Problems solved by technology

[0005] In the daily production of the foundry, the sand and gravel that fall through vibration are often of different sizes. If they are not crushed and filtered, they cannot be used uniformly. If the first crushing cannot crush all the sand and gravel to a usable level At the same time, the sand and gravel that does not meet the use standards cannot be automatically filtered for the second time, and it needs to be manually sieved to re-pour the finely crushed sand, which is time-consuming and laborious.

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