Combined tool, device and method for forming fins of array structure

Abstract

The invention discloses a combined tool, device and method for forming fins of an array structure. The combined tool comprises a cutting tool and a limiting tool. A cylindrical workpiece is machined through a coulter and a limiting block of the limiting tool and a cutting edge and a front tool face of the cutting tool. The coulter ploughs and cuts a plurality of parallel continuous grooves in cuttings, materials between the grooves are stacked to form fin prototypes located on the upper portions of the cuttings, the cutting edge cuts continuous cuttings, the continuous fin prototypes are formed into periodic wavy shapes in an extrusion area between the limiting block and the front tool face according to the stacking-breaking principle, and the fins of a three-dimensional structure can be manufactured through the combined tool. The device comprises the combined tool and a vibrator, the combined tool is driven by the vibrator to vibrate in a reciprocating mode in the feeding direction, unstable self-excited vibration is changed into stable forced vibration, the period of the stacking-breaking state of the cuttings is shortened, the forming period of the fins is relatively stable, the fins are of a needle-shaped structure, and high heat exchange performance is achieved.

Description

technical field [0001] The invention relates to the technical field of fin manufacturing, in particular to a combined cutter, device and method for forming array-structured fins. Background technique [0002] Heat transfer technology is an important technology in the field of energy and power, especially with the continuous development of low-temperature processing technology and portable electronic devices, the demand for heat transfer performance in local spaces continues to increase. In the technical field of surface enhanced heat transfer, a variety of surface array structures including needle-like array structures have been proven to have excellent heat transfer performance. Compared with traditional smooth surfaces and grooved continuous fin surfaces, their heat transfer performance can be improved. Increased by more than 20%, and with the application of technologies such as enhanced convection, its advantages become more and more obvious. [0003] However, the curren...

AI Technical Summary

Problems solved by technology

[0007] The first purpose of the present invention is to provide a combined tool for forming array structure fins, to solve one or more technical problems in the prior art, and at least provide a beneficial choice or create conditions

Images