Device and method for forming composite circuit board through precise and efficient hot pressing

The invention discloses a device and method for forming a composite circuit board through precise and efficient hot pressing, and relates to the technical field of hot pressing production of the composite circuit board, the device comprises a workbench, a portal frame and a support which are sequentially and fixedly arranged into a whole from bottom to top, and a cross beam of the portal frame is provided with a traction assembly used for pulling a curing sheet; a thermocompression bonding mechanism is arranged on the table top of the workbench; the hot pressing mechanism comprises a double-acting electric cylinder fixedly arranged on the table top of the workbench, and a first hot pressing unit and a second hot pressing unit are arranged at the acting ends of two piston rods of the double-acting electric cylinder correspondingly. The first hot pressing unit comprises a connecting plate fixedly arranged on a piston rod located on the left side of the double-acting electric cylinder, a positioning base fixedly