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A Hinged Parallel Elliptical Vibration Cutting Flexible Device

A technology of elliptical vibration and flexible device, applied in the direction of driving device, metal processing machinery parts, metal processing equipment, etc., can solve the problems such as high requirements of matching machine tools, limited range of parameter adjustment, and difficulty in high-frequency cutting. , to achieve the effect of easy high-frequency processing, strong applicability and low quality

Active Publication Date: 2015-10-28
苏州迈智诺智能装备科技有限公司
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Problems solved by technology

[0006] At present, the existing non-resonant elliptical vibration cutting device patents can be checked: the patent (CN102078967A) mentions a mixed-frequency three-dimensional elliptical vibration cutting method, which uses a parallel flexible hinge and is driven by a piezoelectric stack. Because the parallel device is distributed at right angles between its motion axes, it is easy to generate motion coupling and it is very difficult to control
The elliptical cutting device mentioned in the patent (CN102059575A) uses a series flexible hinge, but in the design process, the mass of the moving parts is large, it is difficult to achieve high-frequency cutting, and the range of parameter adjustment is limited. For matching processing Machine tools have high requirements and are not universal

Method used

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  • A Hinged Parallel Elliptical Vibration Cutting Flexible Device

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specific Embodiment approach

[0032] according to Figure 1-Figure 5 , the specific embodiment of device of the present invention is as follows:

[0033] 1. Clamp the workpiece on the spindle of the machine tool, realize the circular feed motion of the workpiece through the rotation of the spindle, and collect the transient angle of the spindle through the rotary grating.

[0034] 2. Install the present invention on the guide rail of the CNC lathe, apply control signals to the drive of the two piezoelectric stacks, and adjust the parameters (amplitude, frequency and phase angle) of the signals applied by the piezoelectric stacks to make the diamond tip generate The ideal elliptical trajectory generates the main cutting motion of elliptical vibration cutting.

[0035] 3. The actual displacement of the piezoelectric stack is detected by the capacitive displacement sensor, and the actual output displacement is corrected by feedback to the high-performance controller.

[0036] 4. Through the controller, the ...

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Abstract

The invention relates to a hinge parallel type elliptical vibration cutting flexible device and belongs to the technical fields of ultra-precision cutting and machining of complex optical parts hard to cut. A first piezoelectric stack and a second piezoelectric stack are respectively mounted in a first hole and a second hole of an integrated flexible hinge through pretightening screws. A first displacement measuring retaining plate and a second displacement measuring retaining plate are respectively fixedly connected with two displacement measuring retaining plate mounting holes of the integrated flexible hinge through fastening screws. A first capacitive displacement sensor and a second capacitive displacement sensor are respectively correspondingly mounted on a first displacement sensor clamp seat and a second displacement sensor clamp seat. A diamond cutter is fixedly connected with the groove at the front end of the integrated flexible hinge. The hinge parallel type elliptical vibration cutting flexible device has the advantages that the elliptical orbit of a diamond cutter point in a space can be achieved precisely, parameter adjusting range is large, the flexible device can be mounted on optional machine tools, and certain universality is achieved.

Description

technical field [0001] The invention belongs to the technical field of ultra-precision cutting and complex optical parts processing of difficult-to-cut materials, in particular to a hinged parallel elliptical vibration cutting flexible device. Background technique [0002] In recent years, with the rapid development of science and technology, some precision parts application fields have higher and higher requirements for the machining accuracy of parts. The application of diamond tools plays an important role in improving the machining accuracy of high-precision parts. For ferrous metal materials, the tool wears too fast, which makes it difficult to greatly improve the machining accuracy of the parts. For the precision machining of difficult-to-machine materials, a breakthrough in the processing method is urgently needed. Vibration cutting is based on this need. Vibration cutting The cutting utilizes the vibration during the machining process, and its unique intermittent cut...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B1/00B23Q5/02
CPCB23B1/00B23Q5/02
Inventor 林洁琼卢明明周晓勤王荣奇
Owner 苏州迈智诺智能装备科技有限公司
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