The utility model discloses a
machine frame of a
sewing machine, which comprises a bedplate, a supporting column arranged on the bedplate, a base arranged below the bedplate and connected with the supporting column, a supporting
pipe arranged at the bottom of the base, trundles arranged in the supporting
pipe, a positioning hole arranged on the base and corresponding to the supporting
pipe, an annular groove surrounding the positioning hole and a first screw hole communicated with the annular groove. The base is provided with a positioning hole, the supporting pipe moves in the annular groove, the base is provided with a fixing rod which penetrates through the positioning hole, stretches into the supporting pipe and is connected with the trundle, the fixing rod is installed in the positioning hole, the fixing rod is provided with a transverse plate, the transverse plate is provided with a second screw hole corresponding to the first screw hole, and the transverse plate is provided with an adjusting screw rod which is in threaded connection with the first screw hole and the second screw hole. The adjustable
sewing machine has the advantages that the
sewing machine can be stably placed on the ground while the sewing
machine can be conveniently moved, the problem that the sewing effect is affected due to the fact that the sewing
machine easily shakes due to unstable placement is solved, and practicability is improved.