Flexible composite ultrasonic vibration incremental forming device and method
A composite ultrasonic and incremental forming technology, applied in the field of metal material processing and manufacturing equipment and technology, to achieve the effect of efficient, flexible and adjustable forming process, improving forming accuracy and surface quality, and reducing forming force and springback.
Active Publication Date: 2019-04-16
XIAN UNIV OF SCI & TECH
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Problems solved by technology
The existing ultrasonic vibration progressive forming device belongs to one-way vertical vibration, which cannot overcome the problems of poor surface quality, easy cracking and wrinkling of the workpiece faced by traditional progressive forming devices and methods, which seriously affects the application of ultrasonic vibration in the field of progressive forming
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[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0032] Such as Figure 1-Figure 5 As shown: this embodiment provides a flexible composite ultrasonic vibration progressive forming device, including a worktable 1 and a motion system, the worktable 1 is used to fix the workpiece 3 to be processed, and the workpiece 3 is fixed on the worktable 1 by a positioning fixture 2 . The motion system can drive the angle adjustment mechanism to move relative to the workpiece 3, the angle adjustment mechanism can drive t...
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The invention discloses a flexible composite ultrasonic vibration incremental forming device and method. The device comprises a workbench face and a movement system; the workbench face is used for fixing a to-be-machined workpiece, and the movement system can drive an angle adjusting mechanism to move relative to the workpiece; and the angle adjusting mechanism can drive a first vibration assemblyto rotate, a second vibration assembly is arranged on the first vibration assembly, a loading system is arranged on the second vibration assembly and used for driving a loading tool to rotate and supplying loading force, and the first vibration assembly and the second vibration assembly can drive the loading tool to vibrate in the horizontal direction and in the vertical direction respectively. The method comprises the steps that the vibration direction of the loading tool is attached to the appearance curve of the workpiece machining area and keeps spatially perpendicular to the tangential direction of a machining track at the loading position. According to the flexible composite ultrasonic vibration incremental forming device and method, the forming force and the resilience can be effectively reduced, the product forming precision and surface quality are improved, the forming process is efficient, flexible and adjustable, and the flexible composite ultrasonic vibration incremental forming device and method can be applied to metal material plastic forming machining.
Description
technical field [0001] The invention relates to the technical field of metal material processing and manufacturing equipment and technology, in particular to a flexible composite ultrasonic vibration progressive forming device and method. Background technique [0002] Ultrasonic vibration plastic processing technology is to apply ultrasonic vibration with adjustable mode shape, frequency, amplitude and direction to the tool or workpiece in the traditional plastic processing technology, so as to reduce the forming force and springback, improve the actual rigidity of the machine tool, and significantly improve the hardness of the workpiece. Forming accuracy and surface quality and other purposes. At present, the application and research of ultrasonic vibration in drawing, stamping, extrusion, rolling, swing rolling, etc. are very rich, but there are few applications in incremental forming. The existing ultrasonic vibration progressive forming device belongs to one-way vertica...
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IPC IPC(8): B21D31/00
CPCB21D31/005
Inventor 吕源钟斌
Owner XIAN UNIV OF SCI & TECH