The body is made of high strength and high quality castings, and it is treated by the full ageing process. Low power heating temperature, temperature control with accurate temperature, so that the temperature error is not more than 3. Double button switch, emergency stop protection device, that is to improve the production efficiency and ensure production safety. The design of the machine is compact and reasonable, beautiful appearance, small area, high production efficiency and low power consumption. Applicable to all kinds of plastic mold and metal mold hot melt riveting.