HL-Q Pulse Vacuum Heat Sealing Machine

The HL-Q Pulse Vacuum Heat Sealing Machine is designed for products where filled bags contain a significant amount of trapped air. The machine combines vacuum air extraction and pulse heat sealing in a continuous automatic process. During operation, the filled bag enters the sealing support frame and is detected by a photoelectric sensor. The support frame closes and clamps the bag while grippers hold the bag edges and suction cups open the bag mouth. A vacuum nozzle then enters the bag to extract trapped air before retracting. The grippers flatten the bag mouth, after which the heating plate clamps the mouth and pulse current heats the sealing strip to complete the heat seal. The conveyor subsequently transfers the sealed bag to the next process. The catalogue identifies applications in the chemical, food, fertilizer and animal feed industries. It also describes the machine as suitable for continuous automatic operation and notes that vacuum extraction can improve pallet stability and help reduce bag bursting during stacking. The HL-Q uses pulse temperature control, a 5 mm heating strip, an 800 mm heating-unit travel, and supports bags up to a specified 420 mm maximum bag width. The catalogue specifies machine dimensions of 2050 × 1400 × 2050 mm and recommends a distance of 200–250 mm between the product surface and the top of the bag for the stated bag requirement.