Quantitative powder adding method and device

Abstract

The invention provides a quantitative powder adding method and device. The quantitative powder adding method and device are mainly applied to powder adding. The quantitative powder adding method comprises the steps that powder is weighed through a weighing machine and then poured into a feeder, the feeder is driven to move to the position above a mold by a driving device at the lower end of the feeder, the feeder is started, the powder in the feeder successively falls into a mold cavity of the mold, and the driving device drives the feeder to reciprocate between the two ends of the mold cavity in the process that the powder successively falls into the mold cavity till all the powder is added; and a driving cylinder and a scraping piece are arranged at the front end of the feeder, and the driving cylinder drives the scraping piece to level the powder in the mold cavity after all the powder is added. According to the quantitative powder adding method and device, quantitative powder is stably added into the mold cavity through the feeder and leveled through the scraping piece, so that the powder in the mold cavity is evenly distributed, the defects of powder leakage, caking, bulk specific weight changes and the like in the prior art are overcome, powder waste is reduced, and the benefits of enterprises are increased.

Description

technical field [0001] The invention relates to the technical field of powder feeding, and more specifically, to a powder quantitative feeding method and device. Background technique [0002] At present, the commonly used quantitative feeding device is to pour the material weighed by the weighing machine into a feeding box without a bottom. The bottom of the feeding box is made of wear-resistant material. The feeding box is placed on a flat plate. empty docking. It is very convenient to use for materials with good fluidity and bulk specific gravity that is not easy to fluctuate, but it is not suitable for powders with poor fluidity, and the effect is not good. , The second is that the specific gravity of the pile changes during the moving process, resulting in uneven feeding. Moreover, material leakage will inevitably occur during the moving process, which will cause waste of expensive, easily oxidized, and polluting materials. In addition, there must be a material guide ...

AI Technical Summary

Problems solved by technology

It is very convenient to use for materials with good fluidity and bulk specific gravity that is not easy to fluctuate, but it is not suitable for powders with poor fluidity, and the effect is not good. , the second is that the specific gravity of the stack changes during the moving process, resulting in uneven feeding

Moreover, material leakage will inevitably occur during the moving process, which will cause waste for expensive, easy-to-oxidize, and fear-of-pollution materials

In addition, there must be a material guide plane, which brings inconvenience to mold manufacturing and mold installation.

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