Patent ID: 7435075

Claim:
A thermoforming machine, comprising: an upper frame, including: a top bracket having a driving mechanism and a screw post therein, the driving mechanism threadingly engaging with the screw post; and a bottom bracket having an upper base plate and a lower base plate disposed therein with a gap defined therebetween, one end of the screw post fixed to the upper base plate so that the driving mechanism is capable of driving the screw post to move the upper base plate toward or away from the lower base plate, the upper base plate having a top forming plate disposed at a bottom thereof, the lower base plate having a bottom forming plate disposed at a top thereof, the upper base plate having a barrel portion formed in the middle thereof, and a plurality connecting plates extending from peripheral wall of barrel portion to the inner peripheral wall and the four corners of the base plate; and a lower frame supporting the upper frame.