Movable tensioning device for flow long-mold production line of machine set

The utility model relates to a movable tensioning device for a flow long-mold production line of a machine unit, comprising a movable tensioning block. The movable tensioning block is arranged in a turnout sleepers model groove of a turnout sleepers model; the front side surface and the rear side surface of the movable tensioning block are attached on the inner side surface of the turnout sleepers model groove; the bottom surface of the movable tensioning block is attached on the bottom surface of the turnout sleepers model groove; the left side surface and the right side surface of the movable tensioning block are respectively provided with two vertical plate hanging grooves with T-shaped sections; the upper ends of the vertical plate hanging grooves are opened onto the upper surface of the movable tensioning block; and a plate hanging groove bottom plate is arranged under the vertical plate hanging grooves. In the movable tensioning device, the problem that the blanking length of a steel wire is limited by