Device for magnetic-bead-method bioactive substance extraction

The utility model provides an efficient device for magnetic-bead-method bioactive substance extraction. The device comprises magnetic needles, a magnetic needle moving mechanism, sleeves, a sleeve moving mechanism, a vibrating mechanism, a bracket and locating mechanisms, wherein the vibrating mechanism can generate vibration so as to enable the sleeve moving mechanism to vibrate up and down, the magnetic needles can be vertically inserted into the sleeves and can be separated from the sleeves, the sleeves can be vertically inserted into a sample processing area and can be separated from the sample processing area, and the vibrating mechanism comprises a lever arm, a movable fulcrum and a rotating mechanism. According to the device provided by the utility model, the frequency and amplitude of vibration can be randomly adjusted, and the adjustment range of vibration frequencies is increased greatly; the device has the advantages of low noise and long life.