Because the containers that need to be packaged are different, such as containers are divided into bags, bottles, cans, boxes, etc., the materials used are also different, such as sacks, cloth, woven bags, plastic, metal, etc. for sealing, these are different , At present, there is no sealing machine that can be used in one machine in the packaging industry, so use the corresponding sealing machine for packaging. Let's talk about the types of sealing machines.

According to the different sealing methods, sealing machines can be divided into the following types.
(1) Hot-pressing sealing machine is a machine that seals packaging containers by means of heating and pressing, and the heating elements used include heating plates, heating endless belts, heating rollers, etc.
(2) Fusion sealing machine is a machine that seals the packaging container by heating to melt the sealing part of the packaging container. The commonly used heating methods include ultrasonic waves, electromagnetic induction and thermal radiation.
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Sewing sealing machine refers to a machine that uses sutures to sew packaging containers, and is mostly used for sealing sacks, cloth bags, composite woven bags, etc.
(1) The crimping type sealing machine uses rollers to crimp the metal cover and the opening of the packaging container to each other to close the packaging container. The crimping type sealing machine, also known as the can sealing machine, is an important machine in the production process of canned food. one of the devices.
(2) Rolling sealing machine refers to a machine that uses a roller to roll a metal cover to deform it to seal the packaging container.
(3) Rotary sealing machine refers to a machine that seals packaging containers by rotating sealing equipment. The closure device is usually a threaded bottle cap or a can cap with an inwardly curled cap claw, which is screwed onto a stacked bottle or can mouth.
(4) Ligation sealing machine A machine that uses ligating materials such as strings to seal packaging containers.