Counter weight mechanism with adjustable pipe fitting inner wall rotational molding machine for plastic -coated is exclusively used in

The utility model discloses a counter weight mechanism with adjustable pipe fitting inner wall rotational molding machine for plastic -coated is exclusively used in, include that it is listed as support body 1 to revolve two of rotary die dish middle part symmetry setting at rotational molding machine, two are listed as the support body is located center one side and sets up fixed balancing weight 2 between 1, two are listed as the 1 last relative outside of support body is fixed with lift balancing weight guide rail 3 respectively, lift balancing weight guide rail 3 is gone up to sit there is lift balancing weight body 5, the lifting screw 4 of 3 settings on the parallel lift balancing weight guide rail is worn to locate by lift balancing weight body 5, the both ends of lifting screw 4 set up antifriction bearing respectively and support to the one end that is located lifting screw 4 is provided with the rotatory motor 6 of drive. The utility model discloses the counter weight automatic adjustment is accurat