Automatic packaging machines are the most commonly used and indispensable special packaging equipment in the production process in the factory. During long-term operation, if there is the failure and abnormal shutdown, it will cause losses to the manufacturer. For this reason, the user's on-site operators , Maintenance personnel should be familiar with the correct operating procedures of the packaging machine in order to avoid damage of the wrong operation to the machine; At the same time is is a must to know how to regularly maintain and repair the mechanical and electrical parts of the equipment. Users can refer to the common faults of the automatic packaging machine and the corresponding repair solutions to repair the equipment.
1. The seal of the horizontal or vertical seal is damaged
Check whether the setting temperature is too high, or the packaging speed is too slow, and the sealing time is too long, which will cause the film to burn. The temperature should not be too high when the sealing is intact. If the sealing part is still not stretched or wrinkled after repeated attempts, the material of the packaging film itself should be considered.
2. The length of the packaging bag destroys the printed pattern
The cross-sealing cutter is sealed and cut off at the color code to ensure that the packaging film that is too light in the color of the non-color code block is driven to slip. After this situation is eliminated, the photoelectric eye color code recognition sensitivity should be adjusted, and the color code tracking is started in the device function menu. Adjust according to the color code debugging method guided by the technical engineer.
3. Unable to seal or the seal is not firm
First, rule out whether the horizontal sealing temperature setting is too low, and increase the sealing temperature setting appropriately. If the sealing still leaks, you need to consider abnormal conditions such as solid-state circuit breaker, temperature control module, thermocouple damage, etc., and gradually check and confirm which link has the problem, and timely Replace damaged parts. If the packaging speed is set too fast, it will also cause sealing problems. At this time, the packaging speed should be appropriately reduced.
The packaging machine troubleshooting
▶Packing machine fault phenomenon Packing equipment fault diagnosis Packing machine repair fault solution
▶There is no response after starting the machine and the machine cannot be turned on. Check whether the emergency stop switch is reset. Reset the emergency stop switch.
Turn off the main power and turn it on again after 20 seconds
▶Leakage switch tripped, heating tube and other electrical equipment leakage, check each electrical appliance one by one
▶The sealing temperature cannot rise up. The power-off protector has tripped. Check and remove the short circuit, then close it again.
▶The heating tube is burned out. Replace the heating tube.
▶The temperature control meter is damaged. Replace the temperature control meter.
▶The temperature of the temperature control meter repeatedly bounces. The thermocouple is loose or damaged. Tighten or replace the thermocouple.
▶The temperature is normal when the machine is stopped but the temperature drops after the machine is turned on. The low voltage causes the power of the heating tube to decrease. Reduce the packaging speed or increase the voltage stabilizing device
▶The power of the heating tube is too small. Replace the high-power heating tube.
▶The seal of the packaging bag leaks and the temperature is not enough. Increase the temperature appropriately
▶Insufficient pressure Check whether the total pressure is 6.5 kg
▶The sealing time is too short Increase the sealing time parameter appropriately
▶The front and rear horizontal sealing rollers are not flat. Carefully adjust the sealing parallelism of the horizontal sealing rollers.
▶Clamping adjust the blanking time or inflation delay
▶Unable to control the cut point or half point. Wrinkles on the edge of the packaging film or optical path quality problems cause photoelectric malfunction. Replace the packaging film.
▶The sensitivity of the photoelectric eye has not been adjusted properly. Re-adjust the photoelectric sensitivity
▶Setting the bag length is not enough to cause the length of the bag. Increase the bag length
▶Abnormal film pulling The pressure of the film transport cylinder is not enough or too large. Check whether the pressure of the film transport is 2.5 kg.
▶Belt slippage or damage Use a saw blade to scrape the surface of the fur belt or replace the belt
▶The packaging film has too much static electricity. Replace the packaging film.
Videos demo of how to install &operation VFFS packing machine small bags or big bags:
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