Full-automatic steel strip type reduction furnace shape righting and flattening device for powder metallurgy

Abstract

The invention discloses a full-automatic steel strip type reduction furnace shape righting and flattening device for powder metallurgy, comprising a steel strip support plate, a stainless steel strip,a stock bin, a material distributor, a PLC control box and a muffle furnace. The stainless steel strip is sleeved on the steel strip support plate; the material distributor is fixedly connected abovethe steel strip support plate; the stock bin is fixedly connected to the upper end of the material distributor; one side of a hydraulic device is fixedly connected with the PLC control box; the bottom of the hydraulic device is fixedly connected with a pressing roller; the side of the steel strip support plate is fixedly connected with an exhaust device; and one side of the muffle furnace is fixedly connected with the hydraulic device. Compared with the prior art, the full-automatic steel strip type reduction furnace shape righting and flattening device for powder metallurgy has the advantages of being simple in structure, convenient to operate and capable of automatically sensing the deformed portion of a steel strip, preforming shape righting and flattening on the steel strip of a reduction furnace before the steel strip enters the material distributor, and greatly improving the percent of pass and quality of reduced iron powder.

Description

technical field [0001] The invention relates to the technical field of powder metallurgy equipment, in particular to a full-automatic steel-belt reduction furnace straightening and flattening device for powder metallurgy. Background technique [0002] In order to meet the requirements of strict quality control and industrial-scale production, my country's iron powder reduction furnace has made great progress. Since the 1980s, it has introduced a fully automatic steel belt reduction furnace from the United States and Germany, referred to as the belt furnace. It includes a stainless steel belt, a silo, a distributor, a muffle and an exhaust device. The primary reduced iron powder in the silo is evenly and flatly distributed on the stainless steel belt through the distributor, and then sent into the muffle through the stainless steel belt for heating. The gas is discharged from the exhaust device. The structure of the steel belt reduction furnace is as large as five working zones...

AI Technical Summary

Problems solved by technology

There are two hollow cylinders at the feed end and discharge end of the furnace, which are the main supporting points of the steel belt. The steel cylinder at the end of the furnace is the driving roller, and the steel cylinder at the furnace head is the driven roller. The steel belt in the reduction furnace is It is 304 stainless steel with a width of generally 1 meter. During the operation of the steel strip, due to the high temperature in the furnace when the 304 stainless steel strip is running in the furnace, the middle part of the steel strip is arched or both sides are warped and irregular unevenness. The design of the burner distributor is determined according to the thickness of the material when the steel belt is flat, resulting in an increase in the longitudinal difference in the thickness of the powder cake, and the concave part is much thicker than the set thickness, resulting in raw powder and unqualified chemical composition. Such as quality defects, the protruding part is much thinner than the setting, resulting in lower output. These problems need to be solved, so it needs to be improved

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