Supersonic machining fixture

Abstract

A supersonic machining fixture belongs to the machining technical field, which comprises a base, an energy converter centering adjustment block and an amplitude modulator fixture block, wherein the energy converter centering adjustment block and the amplitude modulator fixture block are movably arranged at two ends of the base respectively. The supersonic machining fixture provided by the invention can replace a conventional one, the operation in the practical production process is more rapid, the fixture precision can be guaranteed, and the machining is easy.

Description

technical field [0001] The invention relates to a device in the technical field of mechanical processing, in particular to a fixture for ultrasonic processing. Background technique [0002] The ultrasonic vibration system mainly includes a transducer, a horn, and a tool. Its function is to convert the high-frequency electrical signal output by the ultrasonic generator into mechanical vibration energy, and make the end face of the tool vibrate with a small amplitude at high frequency through the horn. for ultrasonic processing. The function of the transducer is to convert high-frequency electrical oscillations into mechanical vibrations. The transducer assembly is an important part of supermachining, and a fixture is needed to hold it. [0003] Ultrasonic processing technology is widely used in industrial cleaning, metal welding, food cutting and other fields. Transducers and amplitude modulators are important components of ultrasonic processing equipment. Special fixtures ...

AI Technical Summary

Problems solved by technology

[0003] Ultrasonic processing technology is widely used in industrial cleaning, metal welding, food cutting and other fields. Transducers and amplitude modulators are important components of ultrasonic processing equipment. Special fixtures are required to clamp and fix them during use. Similar products are available They are all clamped by the upper and lower half shells. This kind of clamp is divided into upper and lower half shells. The processing process is more complicated. It needs to be drilled on a cuboid part. The shape of the hole can make the transducer and the amplitude modulator Put it into it, and then divide the part into two. Due to the influence of residual stress and deformation, it is difficult to ensure that the two parts after forming can clamp the transducer and the amplitude modulator with sufficient shape accuracy, which directly affects ultrasonic processing. quality

[0004] In addition, the structure of the traditional ultrasonic special fixture is complicated, and the operation is cumbersome in the actual use process. Several bolts are needed to clamp the workpiece. Sometimes due to the limitation of the working space on site, it is very inconvenient to operate the bolts.

[0005] Due to the existence of two positioning cylindrical surfaces and the high rigidity of the fixture, the coaxiality is difficult to guarantee, and positioning conflicts are likely to occur. The positioning is inaccurate, which directly affects the propagation direction of ultrasonic vibration, and thus cannot achieve ideal processing results.

[0006] After searching the existing technology, it is found that the transducer assembly is generally fixed on a fixture with a split structure. This kind of fixture is not integrated, and it must be properly adjusted according to experience every time it is used. The transducer The coaxial accuracy of the assembly cannot be guaranteed. So far, there is no clamping device or clamping method that can quickly and accurately clamp the transducer assembly. At present, the clamping is performed manually, and it must be repositioned every time it is used. , Alignment, repetitive labor, time-consuming and labor-intensive operation, and the coaxiality of the transducer assembly cannot be guaranteed, which directly affects the quality of ultrasonic processing

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