Needle tube silification mechanism for retaining needle

The invention discloses a needle tube silification mechanism for a retaining needle. The needle tube silification mechanism comprises a machine table, a setting table, a guide rail, a pen-shaped air cylinder, a silicone oil groove, an oil stick, a double cylinder, a setting table air cylinder, clamping jaw air cylinders and silification jigs, wherein the setting table is movably arranged at the upper end of the machine table through the guide rail, the pen-shaped air cylinder is connected with the rear end of the setting table, the oil stick is movably arranged in the silicone oil groove and connected with the double air cylinder, the clamping jaw air cylinders are arranged above the silicone oil groove through a mounting support and located at the front end of the setting table, and the silification jigs are correspondingly arranged on the inner sides of the front ends of the clamping jaw air cylinders. By the mode, stabilized silification of a needle tube can be carried out, the structure is simple, the phe