Composite metal heating plate

The utility model relates to a composite metal heating plate which comprises a metal plate body, a connecting groove is formed in one side of the front face of the metal plate body, a metal insert is connected in the connecting groove, a heating pipe is connected between the metal plate body and the metal insert, and the heat conductivity coefficient of the metal insert is larger than that of the metal plate body. According to the composite metal heating plate, due to the fact that the heat conductivity coefficient of the metal insert is larger than that of the metal plate body, heat generated by the heating pipe can be rapidly transmitted to a mold and a mold heating block through the metal insert, the drying efficiency is improved, and therefore the production efficiency of paper-plastic products is improved; the composite metal heating plate is slow in overall heat dissipation and long in heat storage time, and heat loss can be reduced. 本实用新型涉及一种复合金属加热板，包括金属板体，所述金属板体上正面一侧开设连接槽，所述连接槽内连接金属镶块，且所述金属板体和所述金属镶块之间