Pre-pressing device for quartz stone processing

The utility model discloses a prepressing device for quartzite processing, which relates to the field of quartzite processing, and comprises a bearing table and a pressing plate which is arranged above the bearing table and can move up and down in the vertical direction, a plurality of connecting pieces are fixedly arranged on the side surface of the pressing plate, and each connecting piece comprises a horizontally arranged contact plate. Lifting devices for driving the connecting pieces to ascend and descend in the vertical direction at the same time are correspondingly arranged below the connecting pieces, and the lifting devices are all arranged on the bearing table. A plurality of threaded holes used for installing cushion blocks are formed in the top of the bearing table in the vertical direction, and at least one threaded hole is formed under each contact plate. The connecting piece is arranged on the side portion of the pressing plate and comprises the horizontal contact plate, the threaded hole is fo