Material weighing device

Provided is a material weighing device. The problem that at present, materials are manually carried to a special place to be weighed, which is troublesome is mainly solved. The device is characterized in that a first conveying belt (2) and a second conveying belt (3) which are oppositely arranged are arranged on the machine frame, a platform (4) is further arranged on the machine frame, a weight sensor (41) is arranged on the platform, a support (42) is arranged on the weight sensor, a plurality of cross beams (43) are arranged on the support, gap grooves (44) are formed between the adjacent cross beams, the second conveying belt comprises a plurality of conveying ribs (31), and the first conveying belt (2) and the second conveying belt (3) are arranged in the gap grooves (44). And the part of each conveying rib is oppositely arranged above the gap groove. The material weighing device provided by the utility model can be used for weighing during conveying, and extra materials do not need to be carried to a we