Logistics storage cabinet auxiliary storage and fetching device

The invention discloses a logistics storage cabinet auxiliary storage and fetching device. The logistics storage cabinet auxiliary storage and fetching device includes a storage and fetching cabinet;a driving cavity is provided in the storage and fetching cabinet; a supporting spring for driving the operation of the device is arranged in the driving cavity; the upper end of the storage and fetching cabinet is provided with two pushing cavities with openings facing the right; a partition plate is fixed between the front and rear walls of each pushing cavity; a pushing mechanism capable of pushing the mails stored in the pushing cavity is arranged in the partition plate; a rotating mechanism capable of supporting the mails pushed out of a torsion spring by the pushing mechanism is arrangedin the lower end wall of the partition plate; the rotating mechanism includes two fixed blocks fixed in the lower end surface of the partition plate; and a sliding cavity communicating with the pushing cavity is arranged in ea