Plate welding device

The utility model relates to the technical field of plate processing, in particular to a plate welding device which comprises a base, a support, a welding assembly and an adjusting assembly. The adjusting assembly comprises an adjusting motor, a two-way screw rod, first threaded sleeves, supporting seats, a mounting disc, a rotating component and a clamping component, when plates of different sizes are welded, the adjusting motor is started to drive the two-way screw rod to rotate, and then the two first threaded sleeves and the two supporting seats are driven to move; the two supporting seats drive the clamping components arranged on the two supporting seats to move, the clamping components located on the two different mounting discs can move, then plates of different sizes can be clamped, and therefore the purpose of adjusting the positions of the clamping components according to the sizes of the machined plates is achieved. 本实用新型涉及板材加工技术领域，具体涉及一种板材焊接装置，包括底座、支架和焊接组件，还包括调节组件；调节组件包括调节电机、双向螺杆、第一螺纹套、支撑座、安装盘、旋转构