Flexible roll forming method and device for metal surface microstructure array

Abstract

The invention discloses a method and device for flexible rolling forming of metal surface microstructure arrays. The device comprises a clamping sub-device (1), embossing rollers (3) and supporting rollers (5), and embossing rollers (3) and the support roller (5) are respectively located on both sides of the metal piece to be processed and are set opposite to each other. The two can roll synchronously on the surface of the metal piece to be processed along the preset trajectory, so as to cooperate with the metal piece to be processed to produce extrusion And then roll on the surface of the metal piece to be processed to form a microstructure array; wherein, the embossing roller (3) includes a cylindrical structure with a microstructure cavity on the surface, and the backup roller (5) includes a smooth cylindrical structure and Play a supporting role. Compared with the prior art, the present invention can effectively solve the problems such as difficulty in large-area processing of microstructure arrays on the surface of three-dimensional complex plates by improving the arrangement of each component in the device and the working relationship among them.

Description

technical field [0001] The invention belongs to the field of metal plastic forming, and more specifically relates to a method and device for flexible rolling forming of metal surface microstructure arrays, which are especially suitable for processing microstructure arrays on the surface of metal plates with complex shapes in large areas plastic forming. Background technique [0002] Surface microstructure arrays with drag-reducing effects have great application prospects in increasing the speed and reducing consumption of high-speed equipment such as aircraft and high-speed rail. However, due to the limitation of surface microstructure processing technology, this technology is still in the experimental stage. This is mainly due to the fact that the size of a single microstructure is generally on the order of submillimeters, while the size of the metal plate on the surface of aircraft and high-speed rail reaches several meters or even tens of meters. , performance and cost ...

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Problems solved by technology

[0004] Aiming at the above defects or improvement needs of the prior art, the object of the present invention is to provide a method and device for flexible roll forming of metal surface microstructure arrays, wherein through the setting of each component in the device and the mutual cooperation between them Compared with the prior art, it can effectively solve the problems of large-area processing difficulties of the microstructure array on the surface of the three-dimensional complex plate. The material undergoes continuous elasto-plastic deformation, and the movement trajectory, movement speed and extrusion force of the embossing roller and backup roller can be preset and flexibly adjusted to be suitable for various metal materials

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