Bidirectional automatic grinding and polishing equipment

The utility model discloses bidirectional automatic grinding and polishing equipment, which is used for performing grinding and polishing pretreatment on a test sample and includes a mounting base, a fixing device and a rotary disc, wherein the rotary disc is rotationally mounted on the mounting base; the fixing device includes a base, a first driving device, a second driving device, and a clamping mechanism connected with the second driving device; the base is mounted on the mounting base; the first driving device is arranged on the base for performing lifting and falling drive; the second driving device and the clamping mechanism are mounted on a connecting board freely and rotationally connected with the base; the test sample is clamped and fixed by the clamping mechanism; the first driving device drives the clamping mechanism to enable the test sample approach to or get away from the rotary disc; and the rotary disc performs grinding and polishing pretreatment for the test sample. The bidirectional automatic grinding and polishing equipment has a simple structure, is convenient to operate, occupies small space, is safe and stable, can perform automatic grinding and polishing, improves efficiency and qualification of preparing of the test sample, and improves the practicability.