Chemical industry powder accurate weighing device

Abstract

The invention discloses a chemical industry powder accurate weighing device, which comprises a weighing mechanism and a material falling mechanism arranged above the weighing mechanism, wherein the material falling mechanism comprises a material hopper, a stirring assembly and a powder falling, the stirring assembly is installed in the material hopper, the powder falling assembly is installed at the material outlet of the material hopper, the powder falling assembly comprises a supporting structure, a lead screw motor, a valve plate and a compression spring, the supporting structure is installed at the bottom end of the material outlet of the material hopper, the valve plate is installed at the material outlet of the material hopper, the valve plate is in transmission connection with the output shaft of the lead screw motor through a transmission piece, and the compression spring is arranged between the bottom of the valve plate and the supporting structure. According to the high-precision automatic powder weighing device, manual intervention is little, the weighing efficiency is high, the weighing precision is accurate, a weighing program can be compiled in advance, and batch automatic weighing can be carried out under the condition that manual intervention is not needed.

Description

technical field [0001] The invention relates to powder weighing equipment, in particular to an accurate weighing device for chemical powder. Background technique [0002] Accurate weighing of powder is widely used in thermal battery production, LED manufacturing, gunpowder preparation and other fields. High-precision automatic weighing technology is of great significance to improve product production efficiency, reduce production costs, save human resources and improve product quality. In the current production of powder weighing, there are the following problems: (1) mainly manual weighing, low degree of automation, and labor-intensive work; High cost and low production efficiency; (3) The production raw materials are mainly powder or granular chemical products with a diameter of no more than 10nm, which are easily absorbed by the human body and cause damage to health; (4) Due to the high viscosity of some powders , the sticky powder will fall under the action of gravity o...

AI Technical Summary

Problems solved by technology

In the current powder weighing production, there are the following problems: (1) mainly manual weighing, low degree of automation, and labor-intensive work; High cost and low production efficiency; (3) The production raw materials are mainly powder or granular chemical products with a diameter of no more than 10nm, which are easily absorbed by the human body and cause damage to health; (4) Due to the high viscosity of some powders , the sticky powder will fall under the action of gravity only when it overcomes the physical force of sticking. Due to the uncertainty of physical sticking, the blanking amount is inconsistent each time, resulting in a large blanking deviation

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