A friction drive actuator and a buffer support thereof
A technology of friction drive and actuator, applied in the direction of generator/motor, piezoelectric effect/electrostrictive or magnetostrictive motor, electrical components, etc., to achieve the effect of improving performance
Inactive Publication Date: 2020-07-21
OME TECH CO LTD
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However, the structure of the above-mentioned standard spring is a general-purpose type, and is not designed for the friction-driven actuator, so there is still room for further improvement in the performance of the friction-driven actuator
Furthermore, there are production tolerances between the above-mentioned flexible sheet and the standard spring, and the combination of the flexible sheet and the standard spring will also cause assembly tolerances. The accumulation of the above-mentioned tolerances also has room for further improvement.
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[0027] see Figure 1 to Figure 9 As shown, it is an embodiment of the present invention. What needs to be explained first is that this embodiment corresponds to the relevant quantities and shapes mentioned in the drawings, and is only used to specifically illustrate the implementation of the present invention, so as to facilitate the understanding of the present invention. content, rather than to limit the scope of protection of the present invention.
[0028] Such as figure 1 As shown, this embodiment discloses a friction-driven actuator 100, which is suitable for positioning mechanisms, scanning devices, or microscopes with high precision requirements, but the present invention is not limited thereto. Wherein, the friction drive actuator 100 includes a driving module 1 and a driven module 2 that can move relative to the driving module 1 . It should be noted that this embodiment only describes some of the components in the above-mentioned driving module 1 and driven module ...
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The invention discloses a friction drive actuator and a buffer support thereof. The buffer support is an integrally formed one-piece structure, and includes a base for mounting on the piezoelectric component, a first elastic arm extending from the base, a second elastic arm spaced in parallel with the first elastic arm, and a connecting arm connecting the first elastic arm and the second elastic arm. The distance between the abutting end of the second elastic arm and the base is greater than the distance between the first free end of the first elastic arm and the base, and the second free endof the second elastic arm is adjacent to but not in contact with the Base. The connecting arm is connected to the first elastic arm part adjacent to the first free end and connected to the second elastic arm part adjacent to the second free end. Accordingly, the friction drive actuator is provided with a plurality of support points through the structure design of the buffer support to provide a buffer effect suitable for the friction drive actuator, thereby effectively improving the performance of the friction drive actuator.
Description
technical field [0001] The invention relates to an actuator, in particular to a friction-driven actuator and a buffer bracket thereof. Background technique [0002] In the existing friction-driven actuators, the connection between the piezoelectric component and the driven part is mostly made of a flexible sheet and a standard spring. However, the structure of the above-mentioned standard spring belongs to the general type, and is not designed for the friction-driven actuator, so there is room for further improvement of the performance of the friction-driven actuator. Furthermore, there are production tolerances between the flexible sheet and the standard spring, and the combination of the flexible sheet and the standard spring will also cause assembly tolerances. The accumulation of the above tolerances also has room for further improvement. [0003] Therefore, the inventor believes that the above-mentioned defects can be improved, Naite devoted himself to research and com...
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IPC IPC(8): H02N2/02H02N2/04
CPCH02N2/02H02N2/04
Inventor 陈皇翰萧士元童景隆
Owner OME TECH CO LTD