| 摘要 |
Disclosed is a jig for extracting an insert nut buried in waste plastic. The jig comprises: a housing in which an inner receiving space having a seating protrusion is formed and the front and rear ends penetrated; a rotary shaft which is inserted into the inner receiving space and allows one end to be exposed to the outside; a first bearing unit which is forcefully fitted to the receiving space to surround a portion of the rotary shaft and is placed on the seating protrusion; a second bearing unit which is fitted to the receiving space to surround the other portion of the rotary shaft at the rear end of the first bearing unit; a bolt which is detachably coupled to the rotary shaft at the front end of the housing; and a cover which is coupled to the rear end of the housing and prevents the second bearing unit from being separated from the housing. The rotary shaft is coupled to a rotating unit at the rear end of the housing and rotated. |
