Automatic dip-coating device for sand core

The utility model discloses an automatic dip-coating device for a sand core. The automatic dip-coating device comprises a support frame as well as a control switch and a clamping tooling which are mounted on the support frame, wherein the clamping tooling consists of an air cylinder mounted on the support frame, a clamping station mounted on the air cylinder as well as a sand core clamp mounted on the support frame; the control switch is respectively connected with a power supply and the air cylinder. According to the automatic dip-coating device disclosed by the utility model, automatic simultaneous dip-coating for a plurality of sand cores can be realized, so that the labor intensity of operators is greatly reduced, and the dip-coating efficiency is improved; in addition, the dip-coating time of multiple of sand cores can be kept consistent, and further a sand core coating layer is kept uniform, and the quality of the sand core is improved.