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Adjustable reflection type ultrasonic shot peening strengthening device for surface of inner hole

An ultrasonic shot peening and strengthening device technology, which is applied to used abrasive treatment devices, vibration devices, explosion generating devices, etc., can solve the problems of large shot peening consumption, high energy consumption, and large environmental pollution, and save space. , the effect of low energy consumption and low environmental pollution

Pending Publication Date: 2017-12-15
SHENYANG AEROSPACE UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a reflective ultrasonic shot peening strengthening device on the surface of the inner hole, which is used to solve the problem of large amount of shot blasting, large environmental pollution, high energy consumption, space occupation and damage to the inner hole of the parts in the existing shot blasting machine. The problem of poor reinforcement effect

Method used

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  • Adjustable reflection type ultrasonic shot peening strengthening device for surface of inner hole
  • Adjustable reflection type ultrasonic shot peening strengthening device for surface of inner hole
  • Adjustable reflection type ultrasonic shot peening strengthening device for surface of inner hole

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Experimental program
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Effect test

Embodiment 1

[0022] Such as figure 2 and 3 As shown, the ultrasonic shot peening device on the surface of the inner hole includes a reflection assembly 2, a workbench 3 and an ultrasonic vibrating head 1. There is a through hole on the part 5 to be processed, and a positioning hole is provided on the working table 3. The ultrasonic vibrating head 1 consists of The mechanical arm is clamped and installed in the positioning hole. The mechanical arm clamps the ultrasonic vibrating head 1 and can move up and down along the axis of the positioning hole. The depth of the ultrasonic vibrating head 1 entering the through hole can be changed by controlling the mechanical arm. The ultrasonic vibration head 1 is connected to the transducer 10 through the horn 9, and the transducer 10 is electrically connected to the ultrasonic generator. After the ultrasonic generator is powered on, a high-frequency electrical oscillation signal of 15-40KHz is sent to the transducer 10. The transducer 10 converts t...

Embodiment 2

[0027] Such as Figure 4 As shown, the ultrasonic shot peening device on the surface of the inner hole includes a reflection assembly 2, a workbench 3 and an ultrasonic vibration head 1. The difference between this embodiment and embodiment 1 is that the lower end of the convex part 7 in this embodiment is in this embodiment. In the embodiment, it is an inverted truncated cone, and the taper of the truncated cone is preferably 45°. The convex part 7 of this embodiment can also reflect the shot 4 to hit the hole wall of the through hole.

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Abstract

The invention relates to an adjustable reflection type ultrasonic shot peening strengthening device for the surface of an inner hole. The ultrasonic shot peening strengthening device comprises a reflection assembly, a workbench and an ultrasonic vibration head; a positioning hole is formed in the workbench; a part to be machined is fixed to the workbench through a fixing part; a through hole corresponds to the positioning hole so that the ultrasonic vibration head can penetrate through the positioning hole and then enter the through hole from a lower port of the through hole and can be matched with the through hole in a clearance mode; the reflecting assembly comprises a convex part, a supporting cover and an adjusting screw; the supporting cover is fixed to the position above the part to be machined and plugs an upper port of the through hole; the supporting cover, the part to be machined and the ultrasonic vibration head define a closed cavity; an adjusting hole is formed in the supporting cover; the adjusting screw is arranged in the adjusting hole; the convex part is connected to the front end of the adjusting screw; and the lower end of the convex part protrudes downwards. The ultrasonic shot peening strengthening device has the advantages that the energy consumption is low, the space can be saved, the environmental pollution is low, the shot consumption is low, and the strengthening effect on the surface of the inner hole of the part is good.

Description

technical field [0001] The invention relates to the technical field of parts surface strengthening equipment, in particular to a reflection type ultrasonic shot peening strengthening device for the surface of an inner hole. Background technique [0002] Disc and shaft parts of aeroengines include: turbine discs, compressor blade discs, bearings, gear discs, etc., which usually need to withstand high cycle fatigue loads during engine operation. In order to improve the fatigue strength of such parts, the surface strengthening process is generally used for strengthening treatment. [0003] Shot peening is the most common surface strengthening process in this field. Traditional shot peening equipment mainly includes two types of pneumatic shot blasting machine and centrifugal shot blasting machine. The pneumatic shot blasting machine is supplied with compressed air by an air compressor. When the air passes through the spray gun, the negative pressure will cause the shot peening...

Claims

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Application Information

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IPC IPC(8): B24C1/10B24C5/00B24C9/00
CPCB24C1/10B24C5/005B24C9/00
Inventor 蔡晋刘建邦王征
Owner SHENYANG AEROSPACE UNIVERSITY
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