There are two types of hot melt glue machines, one is piston pump hot melt glue machine and the other is gear pump hot melt glue machine. These two hot melt glue machines have their own advantages. The following is mainly about gear pump hot melt glue. This type of machine is suitable for processes that require continuous glue production. If glue is not produced midway, it will have a great impact on the production schedule of the enterprise. In view of this problem, the possible causes and solutions:

1. It is possible that the temperature setting is too low, resulting in insufficient fluidity of the glue, and the amount of glue is small and the glue cannot be displayed, so increase the temperature according to the demand.

2. The solenoid valve is damaged. Since the solenoid valve is close to high temperature, the best solenoid valve should be selected, otherwise it will be easily damaged.

3. Frequently check whether the motor power is sufficient and whether the gear pump is normally supplied with glue. If the gear pump is stuck, it needs to be disassembled, replaced or cleaned.

Fourth, clean or replace the filter screen and nozzle; check whether the hose is blocked, if it is blocked, it needs to be replaced.

The problem that the gear pump hot melt glue machine does not produce glue is better solved, and solve it in time according to the manufacturer's instructions.