Heat sealing device

The utility model discloses a heat sealing device, including backing plate, clamp plate and table surface, its characterized in that, the backing plate setting in table surface edge, the backing plate drives the up -and -down motion by the backing plate cylinder, the backing plate upper surface has set up heated strip, the last frame that is provided with of table surface, the clamp plate is located the backing plate top and passes through the plate pressing air cylinder device in the frame, still be provided with exhaust mechanism in table surface's top, exhaust mechanism includes exhaustion plate and exhaust cylinder, the exhaustion plate is through exhausting air cylinder device in the frame, the exhaust cylinder drives the exhaustion plate downstream to the wrapping bag that lies in the table surface surface its the air of discharging of exerting pressure. The heat sealing device heat -seal efficient, effectual, the rapid heating fuses quick cooling, prevents the adhesion in sealing process, avoids destro