Considering compactness

parallel clamping

high magnification

and miniaturization

a two-stage magnifying mechanism composed of a semi-diamond-shaped magnifying mechanism and a parallel four-bar mechanism is designed.First

calculate the theoretical amplification ratio and the relationship between the input and output variables according to the energy method; secondly

perform finite element analysis and perform finite element performance analysis on the model; the micro-clamp input displacement and the output displacement are basically linear

the theoretical The error between the calculated value and the simulated analysis value is 9.2 %

the maximum output displacement is 411.3 μm

and the magnification is 20.6.