Floating-type oil-free vacuum scroll compressor

A floating-type oil-free vacuum scroll compressor, comprising a motor body, a compression end, a vacuum end and a joint, wherein the compression end and the vacuum end are assembled at two ends of the motor body respectively;

• the compression end comprises a first compression scroll fixed plate, a second compression scroll fixed plate, a first compression scroll kinetic plate and a second compression scroll kinetic plate, the first compression scroll kinetic plate and the second compression scroll kinetic plate are located inside the first compression scroll fixed plate and the second compression scroll fixed plate, and the first compression scroll kinetic plate and the second compression scroll kinetic plate are assembled at an output end of one side of the motor body;
• the vacuum end comprises a first vacuum scroll fixed plate, a second vacuum scroll fixed plate, a first vacuum scroll kinetic plate and a second vacuum scroll kinetic plate, the first vacuum scroll kinetic plate and the second vacuum scroll kinetic plate are located inside the first vacuum scroll fixed plate and the second vacuum scroll fixed plate, and the first vacuum scroll kinetic plate and the second vacuum scroll kinetic plate are assembled at an output end of the other side of the motor body;
• floating wear-resisting rings are assembled between the first compression scroll kinetic plate and the second compression scroll kinetic plate and between the first vacuum scroll kinetic plate and the second vacuum scroll kinetic plate, and circular springs are assembled inside the floating wear-resisting rings;
• a square shaft which is arranged eccentrically is integrally formed at the output ends of the two sides of the motor body, an outer wall of the square shaft is sleeved with shaft eccentric inner rings, alignment bearings are assembled on outer walls of the shaft eccentric inner rings, and the two alignment bearings are respectively assembled inside inner holes of the first compression scroll kinetic plate and the second compression scroll kinetic plate and inside inner holes of the first vacuum scroll kinetic plate and the second vacuum scroll kinetic plate;
• the first compression scroll fixed plate, the second compression scroll fixed plate, the first compression scroll kinetic plate, the second compression scroll kinetic plate, the first vacuum scroll fixed plate, the second vacuum scroll fixed plate, the first vacuum scroll kinetic plate and the second vacuum scroll kinetic plate are made of a material of a mixture of PEEK mixed carbon fiber powder and polytetrafluoroethylene, and the floating wear-resisting rings are made of a flexible material of a mixture of PEEK and polytetrafluoroethylene;
• and
• volumes of the first vacuum scroll kinetic plate and the second vacuum scroll kinetic plate are greater than volumes of the first compression scroll kinetic plate and the second compression scroll kinetic plate.