A time -based powder -based powder and particle material should be given

Abstract

The invention discloses a time control-based method for feeding powder and granular materials according to needs. A micro feeder comprises a material storing and feeding pipe and a mechanical material vibration source arranged on the material feeding pipe; the material storing and feeding pipe comprises a funnel-shaped inlet flow channel, a circular straight pipe-shaped flow channel and a conical outlet flow channel; the inner diameter of the inlet at the upper end of the funnel-shaped inlet flow channel is designed to be 15-45 millimeters, and the half-cone angle of the funnel-shaped inlet flow channel is designed to be 10-15 degrees; the inner diameter of the circular straight pipe-shaped flow channel is designed to be 10-30 millimeters; the inner diameter of the outlet at the lower end of the conical outlet flow channel is designed to be 1-10 millimeters, and the half-cone angle of the conical outlet flow channel is designed to be 6-20 degrees; and the total height of the circular straight pipe-shaped flow channel and the conical outlet flow channel is greater than the height of the circular straight pipe-shaped flow channel by 20 millimeters. By optimizing key parameters and specific parameter range of the whole material storing and feeding pipe, the method can be widely suitable for feeding materials composed of grains with the diameters ranging from tens of micrometers to a few millimeters and is especially suitable for distributing powder rationed according to needs and accurately controlled and selective deposition in planes.

Description

technical field [0001] The invention relates to a powder and granule filling method, and more specifically, relates to a method for feeding powder and granular materials on demand based on time regulation. Background technique [0002] The global manufacturing industry is committed to meeting the society's continuous upgrading of the quality of material life by continuously developing and introducing new products based on various materials. Among them, powder and granular materials are widely used as raw materials in various fields, such as medicine, chemical industry, biological materials, food, metallurgy, ceramics, etc. However, in this technical field, the operation technology and process related to powder and granular materials are far less mature than fluid technology, which is caused by the complexity of the flow behavior of different material particles. Controlling the waste of powder and granular materials during transportation, distribution and feeding, and improv...

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Problems solved by technology

[0006] However, since the above-mentioned patents and publications are only in a preliminary research stage for powder and granular material feeding control technology, the disclosed design parameters are only a rough and broad range, which are only suitable for laboratory experiments and are not capable of further in-depth research

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