Squeezing mechanism with adjustable force application area

The utility model discloses a squeezing mechanism with adjustable force application area, which comprises a base, a fixing frame is arranged on one side of the outer surface of the upper end of the base, a placing frame is arranged in the middle of one side of the outer surface of the upper end of the base, an air cylinder is arranged on the outer surface of the upper end of the fixing frame, and a replacement mechanism is arranged on the outer surface of the lower end of the air cylinder. A pressing plate is arranged on the outer surface of the lower end of the replacing mechanism, the replacing mechanism comprises a first fixing plate, a second fixing plate, an inserting block, an inserting plate, a first hole groove, a T-shaped inserting plate, a fixing block, a moving groove, a limiting groove, a limiting block, a first inserting groove, a second inserting groove, a second hole groove and a spring, and the second fixing plate is fixedly installed on the outer surface of the lower end of the air cylinder.