Automatic vacuum packing machine is commonly used in single room and double room two, single room for turning flat plate, in the upper and lower vacuum system rear side has two groups of support frame, in the middle of a long axis through a double torsion spring, by double torsion spring balanced interaction force, open the perspective of 45-75 degrees.
Double room for reciprocating, the vacuum system is divided into two studios, up and down on the vacuum system consists of four crankshaft points up and down shift, four crankshaft fixed on the two long shaft, long axis with tensile spring fork, two fixed below the tension spring is located in the sound card rack, the upper is located in the tension spring on the fork, with balanced practical action efficacy, two long axis by two groups arrange ushering bearing.
Quasi-positioning, the four crankshafts are also inset with miniature bearings, so the up and down deviation is very easy, the vacuum pump starts a little working pressure, can be automatically opened after the air return.
Point offset on the vacuum system of the four connecting rod, each root around before and after the long axis on the two root, to maintain parallel surface, up and down two groups crankshaft should also maintain parallel surface of relativity, to ensure that the vacuum system in all parts of the up and down with the vacuum system to maintain parallel surface, otherwise, cause the upper and lower vacuum system can not maintain parallel surface, the actual operating work pressure increased significantly, and can not be normal serious to create a vacuum pump.
