Ribbed Rolling Device for Scale Metal Powder

Abstract

The invention discloses a flaky metal powder grinding device with a rib. The flaky metal powder grinding device comprises a roller, a grinding roller is arranged inside the roller, an open end of the roller is provided with a sealing assembly, the grinding roller is sealed inside the roller through the sealing assembly, the inner wall of the roller is provided with a rib-shaped protrusion in the circumferential direction, and when the roller rotates, the grinding roller rotates along the middle portion and the lower portion of the inner wall of the roller through the combined action of gravity, centrifugal force and centripetal force; when moving to the rib-shaped protrusion, the grinding roller is uplifted, and after crossing the rib-shaped protrusion, the grinding roller moves downwards to smash the inner wall through the gravity. In the process of doing rotating movement, the grinding roller grinds powder, and when the grinding roller smashes the inner wall, the grinding roller impacts the powder, and the process of flattening large particles in the powder is accelerated. Therefore, in the process of machining the powder, the powder flattening ratio is high, the quality of the machined flaky powder is stable, and the large particles are machined faster and more efficiently; the service life of the roller is long.

Description

technical field [0001] The invention relates to a metal powder rolling device, in particular to a scaly metal powder rolling device, which is characterized in that the inner wall of the drum is provided with "rib"-shaped strip-shaped protrusions or approximate semi-cylindrical Intermittent protrusions in the shape of a semi-ellipsoid. Background technique [0002] Radio frequency identification technology RFID, as the core link to realize the basis of item identification in the Internet of Things, must use flexible magnetic sheets. It is made of very thin flaky metal powder below 1μm, which can absorb high-frequency electromagnetic interference waves, and can effectively prevent the reflection of metal objects from interfering with the reader's identification of RFID tags. In the communication frequency band of the Internet of Things, it can increase the effective height of the antenna and increase the communication distance. [0003] Traditional anti-EMI materials are mad...

AI Technical Summary

Problems solved by technology

But the disadvantage is: the impact between the ball and the ball is a point-to-point impact, and the impact points are few and the impact force is large.

With the increase of ball milling time, the thickness of the powder decreases, and the ability to withstand impact decreases, and the violent impact will cause the flake powder to become fragments, resulting in a decrease in the proportion of flat powder

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