Foam tape cutting die

The utility model relates to the technical field of cutting dies, and discloses a foam tape cutting die which comprises an outer film shell, and an installation mechanism is arranged in the outer film shell. The mounting mechanism comprises fixing columns, bolts, first connecting blocks, a connecting shell, clamping columns, an inner film and second connecting blocks, the clamping columns which are in bilateral symmetry are fixedly connected to one side of the connecting shell, the inner film is arranged in the connecting shell, the fixing columns are arranged on the top wall of the inner film, and the first connecting blocks which are in front-back symmetry are fixedly connected to the top wall of the outer film shell at the bottom; and the bottom wall of the outer membrane shell at the top is fixedly connected with connecting blocks II which are symmetrical front and back. According to the utility model, the fixing column, the bolt, the connecting block I, the connecting shell, the clamping column and the i