A steel bar sand blasting derusting device

Abstract

The invention discloses a sand blasting derusting device for a reinforcing steel bar. The sand blasting derusting device comprises a rack, a conveying device, sand blasting devices and a sand suction device. The conveying device comprises a servo motor, a speed reducer, a chain wheel mechanism, a transmission chain, a conveying carrier roller and a reinforcing steel bar conveying groove. Each sand blasting device comprises a sand blasting compartment, a sand blasting gun frame, a gas spray gun frame, a dust collecting compartment and a steel sand recovery compartment. The sand suction device comprises a sand cylinder, a sand shot conveying-out pipe, an air compressor and a spray gun adjusting linkage device. In addition, the two sand blasting devices are sequentially installed on the rack. The sand blasting derusting device has the beneficial effects that sand blasting derusting can be conducted on the reinforcing steel bar in all directions, meanwhile, an internal environment and an external environment can be cleaned, the rack passes through the outer sides of the sand blasting compartments, the conveying carrier roller does not enter the sand blasting compartments either, and the rack and the carrier roller can be prevented from being damaged; and the sand blasting devices are increased, after sand blasting is conducted in a hierarchical manner, rough steel sand is recycled and then cleaned to be reused, and fine steel sand can be directly recycled; and with the comprehensive effect, the production efficiency can be improved, cost is reduced, and the labor protection measure is enhanced.

Description

technical field [0001] The invention relates to the field of derusting technical equipment, in particular to a steel bar blasting derusting device. Background technique [0002] In order to make the metal surface have good cleanliness and roughness, pretreatment such as derusting must be carried out on the surface of the metal structure. The principle of sand blasting rust removal and anti-corrosion construction is to use the pressure generated by the air compressor to make the sand particles gain momentum and spray them on the surface of the steel structural member. The sand particles and the metal surface rub against each other to make the rust attached to the metal surface fall off, and then the anti-corrosion The paint is rolled on the metal surface to form a paint film on the entire metal surface, thereby preventing the erosion of water and air to achieve anti-corrosion effects. [0003] For round steel bars, the existing sandblasting and derusting devices can only san...

AI Technical Summary

Problems solved by technology

[0003] For round steel bars, the existing sandblasting and derusting devices can only sandblast the steel bars from the upper and lower directions, and the lateral direction of the steel bar surface cannot be taken care of, resulting in insufficient rust removal

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