Metal raw material barrel with built-in lining barrel

The metal raw material barrel internally provided with the lining barrel comprises an outer barrel, the lining barrel, a sealing rubber ring and a barrel cover, the top end of the outer barrel and thetop end of the lining barrel respectively comprise an annular flange, a barrel body of the lining barrel is embedded into the outer barrel, the flanges of the lining barrel are located above the flanges of the outer barrel, the barrel cover comprises a top plate and an annular side plate, and the lower portion of the side plate comprises a plurality of buckle plates. The barrel cover is buckled on the tops of the outer barrel and the lining barrel, the sealing rubber ring is located between the flange of the lining barrel and the top plate of the barrel cover, and a buckle plate of the barrelcover is bent inwards to abut against the bottom face of the flange of the outer barrel. The metal raw material barrel is small in number of parts and simple in structure, and a lining barrel made oftinplate can be used as an