Positioning and supporting device for casting blank separation

The utility model discloses a positioning support device for casting blank separation, which comprises a transmission box, the top of the transmission box is fixedly connected with a support plate, the top of the inner wall of the transmission box is fixedly connected with a motor, the output end of the motor is fixedly connected with a first bevel gear, and the left side of the first bevel gear is meshed with a second bevel gear. A blank plate is placed on the top of the supporting plate, the rotating block is rotated after placement, the rotating block drives the transmission rod to rotate, the transmission rod drives the movable sleeve to move inwards through threads, the supporting rod drives the pressing plate to move downwards, and therefore the fixing device has the advantage of being good in fixing effect. The problems that most of existing casting blanks are fixed through a jaw vice, so that the casting blanks are very strenuous to clamp, if the clamping force is too loose in vertical clamping, the p