The utility model relates to the field of bar production discloses a kind of bar weighing and removing device, including support seat, conveyer a, weighing platform, conveyer b, falling mechanism and display controller, the conveyer a, weighing platform, conveyer b are sequentially fixedly installed on the upper portion of support seat from left to right, the falling mechanism is fixedly connected in support seat right side, the lower portion of support seat is provided with adjusting
assembly;The adjusting
assembly includes fixedly installed in the deceleration motor of the lower side inner wall of support seat. In the utility model, adjusting
assembly is driven bidirectional screw rod rotation by deceleration motor, drives threaded sleeve to move along screw rod, then it is slid by the hinged link of staggered arrangement to push moving piece, finally realize the automatic adjustment of the spacing of guide piece, without manual disassembly or replacement component, different
diameter bar can be quickly adapted, and without shutdown, substantially shorten the time of
change type, improve the adaptability of equipment to multi-specification production.