A wire self-straightening arc spray gun

Abstract

The invention relates to a self-straightening arc spray gun for wire materials. The self-straightening arc spray gun comprises a gun body, wherein a gun handle is arranged at the right end of the gun body; a bracket is arranged at the lower end of the gun body; a switch button is arranged on the upper part of the left side surface of the bracket; a spray head is arranged at the left end of the gun body; a conical protection cover sleeves the spray head; a wire feeding device is arranged on each of the front side surface and the rear side surface of the gun body; each wire feeding device comprises a lower wire pressing wheel; a drive gear coaxial with the corresponding lower wire pressing wheel is arranged on the lower wire pressing wheel; a driven gear is matched above the drive gear; an upper wire pressing wheel coaxial with the corresponding driven gear is arranged on the driven gear; an adjustment device is arranged on the upper wire pressing wheel; a hoop sleeves the gun handle; a connection lug is arranged at each of the front side and the rear side of the upper end of the hoop; a wire material straightening device is connected to each connection lug. According to the self-straightening arc spray gun disclosed by the invention, the wire materials are straightened by using the wire material straightening devices located at the right sides of the wire feeding devices, so that the wire materials keep a straight or small-angle bent state before entering a wire feeder, and are prevented from being excessively bent.

Description

Technical field [0001] The invention relates to the technical field of thermal spraying equipment, in particular to a wire self-straightening electric arc spray gun. Background technique [0002] Thermal spraying refers to a series of processes in which fine and dispersed metallic or non-metallic coating materials are deposited on the surface of a prepared substrate in a molten or semi-melted state to form a certain spray deposition Floor. It uses some kind of heat source (such as electric arc, plasma spraying or combustion flame, etc.) to heat powdered or filamentous metal or non-metallic materials to a molten or semi-molten state, and then spray it at a certain speed by means of the flame itself or compressed air. A technology in which the surface of the pretreated substrate is deposited to form a surface coating with various functions. Thermal spraying is the energy provided by fuel gas or electric arc. [0003] Arc spraying is a type of thermal spraying. Arc spraying uses an...

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem that the wire is easily stuck in the wire drawing machine, the invention provides a wire self-straightening arc spray gun

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