Material fixing device

The utility model provides a material fixing device which comprises a fixing base and a fixing frame fixed on the fixing base, a first pushing component and a second pushing component are arranged on the fixing frame, and a fixing mechanism is arranged on the fixing base. According to the building material sliding connection device, by arranging the limiting frames, when the building material sliding connection device is used, a building material is supported above the mounting plate and placed between every two adjacent limiting frames, the sliding connection plate is located above the building material, then the first pushing part can be adjusted to push the limiting frames from the two sides, and the second pushing part can be adjusted to push the sliding connection plate from the top; the limiting frame clamps the building materials from the two sides, the sliding connection plate tightly presses all the building materials from the top, and therefore fixing treatment of the building materials is completed