Automatic hot melting bag sealing machine for sand gun

The utility model discloses an automatic hot melting bag sealing machine for a sand gun, which comprises a metal plate box body and a heating table arranged in the metal plate box body, a heating tube is arranged in the heating table, handles are arranged on two sides of the outer surface of the metal plate box body, an upper pressing plate is arranged above the metal plate box body, and a rubber pressing block is arranged on the upper pressing plate. Lower sliding shaft rods are arranged on the two sides of the lower portion of the upper pressing plate, springs and descending electromagnets are arranged on the lower sliding shaft rods in a sleeving mode, the descending electromagnets are arranged in a metal plate box body, a notch is formed in the upper surface of the metal plate box body, upper sliding shaft rods are arranged on the lower portions of the two sides of the notch of the metal plate box body, and ascending electromagnets and springs are arranged on the upper sliding shaft rods in a sleeving mod