Grinding machine and rolling production line

The invention discloses a grinding machine and a rolling production line, and belongs to the technical field of strip steel grinding, the grinding machine comprises a base, two moving assemblies, a swing part and an angle adjusting assembly, the two moving assemblies are movably connected to the base in the width direction of strip steel, and the two moving assemblies are arranged at intervals; the number of the swing pieces is two, the two swing pieces are rotationally connected to the moving assembly in a one-to-one correspondence mode, and the two swing pieces are each provided with a rotatable grinding head. The number of the angle adjusting assemblies is two, the two angle adjusting assemblies are connected to the swing part in a one-to-one correspondence mode, and the two angle adjusting assemblies are used for adjusting the swing angle of the swing part, so that the two grinding heads abut against the operation side and the transmission side of the strip steel correspondingly for grinding. The grinding