Buffering spray gun assembly

Abstract

The invention relates to a buffering spray gun assembly. The buffering spray gun assembly comprises a spray head connection sleeve, a spray sleeve, a spray head locking sleeve, a buffering joint and a nozzle, wherein the spray sleeve is arranged in the spray head connection sleeve; an interface is formed in the rear end of the spray head connection sleeve and connected with a steel shot input pipeline; the spray head locking sleeve is connected to the front end of the spray head connection sleeve; the nozzle is arranged in an inner cavity of the spray head locking sleeve; a buffering joint is clamped between the back end face of the nozzle and the front end face of the spray sleeve; central through holes are formed in centers of the spray sleeve, the buffering joint and the nozzle; sizes of inner diameters of the central through holes are the same; the central through holes are coaxially communicated in a running-through manner to form a steel shot channel; the steel shot channel is communicated with a spray opening which is formed in the center of the front end of the spray head locking sleeve. The buffering spray gun assembly is reasonable in structure; since a buffering and damping structure is designed in the buffering spray gun assembly, the mutual abrasion loss can be effectively reduced, thereby prolonging the service lives of assembly parts in the spray gun assembly.

Description

technical field [0001] The invention relates to the improvement of a spray gun device of a shot blasting machine, in particular to a buffer spray gun assembly, which belongs to the technical field of shot peening intensive cleaning. Background technique [0002] Shot peening is a surface treatment process widely used at present. The high-speed shot flow produced by shot peening hits the surface of metal parts and effectively improves the microstructure. It produces high surface residual compressive stress on the surface of metal parts. The residual compressive stress can be Offset the tensile stress of the metal parts in the alternating force movement that causes the fatigue damage of the components, thereby greatly improving the fatigue life of the metal parts and improving the performance of various mechanical equipment. [0003] In order to ensure that the shot peening effect reaches the standard, the flow rate of the steel shot during the shot peening process must be con...

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Problems solved by technology

[0003] In order to ensure that the shot peening effect reaches the standard, the flow rate of the steel shot during the shot peening process must be continuous, uniform and stable. However, when the spray gun on the existing shot peening equipment sprays the steel shot, the impact of the strong airflow causes the steel shot to vibrate violently in the spray gun , the steel shot flow is unstable and uneven, and it will make the spray gun vibrate, which is not easy to control, thus affecting the treatment effect

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