Heating mechanism of mould hot runner system

The utility model discloses a heating mechanism of mould hot runner system, lead heat -insulating material and heating element including adorning under in the pedestal, upper portion of leading heat -insulating material and the contact of the lower part of runner plate are led heat -insulating material and are seted up the mounting hole from the bottom surface, lower pedestal is located the position of mounting hole below and sets up limiting through hole, limiting through hole's lower drill way is by being located the master model fixed plate of pedestal below shelters from down, heating element arranges in the mounting hole limiting through hole and the master model fixed plate surrounds in the installation space of formation. The long -time back of using, if heating element damages, general mould maintainer can take heating element out from limiting through hole with the master model fixed plate with after descending the pedestal split to change, change the back, with master model fixed plate and pedestal