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Automated packaging machines are a kind of indispensable special equipment in the enterprise production process. If there is an abnormal shutdown fault caused by untimely maintenance during the long-term operation of the machine, it will bring losses to the manufacturer. Therefore, the on-site operators and equipment maintenance personnel of the user should strictly follow the operating procedures of the fully automatic packaging machine instruction manual to use the equipment, and regularly and specifically conduct maintenance and overhaul of the mechanical and electrical parts of various packaging equipment. At the same time, the problem can also be excluded and the equipment repaired by referring to the fault and maintenance solution of the automatic packaging machine.
Introduction to Fully Automatic Packaging Machine Equipment
The automatic quantitative packaging machine can realize the automatic weighing and quantitative filling of multiple materials and meet the requirements of integrated packaging and sealing. In production enterprises, according to factors such as the bag type design requirements, the amount of packaging weight, and the size of the space for placement on the site, choose a fully automatic vertical packaging machine, a fully automatic bagging machine, and a pillow-type packaging machine to connect and link with upstream and downstream equipment to realize production packaging automation. Although there are many models and specifications of packaging machines, their packaging process flows are almost the same. Therefore, equipment operators need to comprehensively understand and master how to use the fully automatic packaging machine and achieve pre-emptive and post-maintenance for possible faults.
(1), The sealing at the transverse sealing or longitudinal sealing part is damaged
Check whether the set temperature is too high, or the packaging speed is too slow and the sealing time is too long, resulting in the film being scalded. If the packaging machine is used for the first time, the heat resistance of the packaging film material should also be considered. At this time, the temperature setting should be appropriately lowered and the sealing time reduced. Under the condition that the sealing is intact, the temperature should not be too high. If the sealing part is still not smooth and there are wrinkles after many attempts, then the material problem of the packaging film itself should be considered.
(2), The packaging bag length damages the printed pattern
The transverse sealing cutter is sealed and cut around the color mark. Ensure that the packaging film drive slips due to the color of the non-color mark block being too light. After excluding this situation, the photoelectric color mark recognition sensitivity should be adjusted. Start the color mark tracking in the equipment function menu and adjust it according to the debugging method of the vertical automatic packaging machine cursor guided by the technical engineer.
(3), Unable to seal or the seal is not firm
First, rule out whether the transverse sealing temperature setting is too low, and appropriately raise the sealing temperature setting. If the seal still leaks air, then abnormal situations such as damage to the solid-state relay, temperature control module, and thermocouple need to be considered. Gradually detect and confirm which link has a problem, and replace the damaged spare parts in time. If the set packaging speed is too fast, it will also lead to problems such as the packaging machine cutter not being cut off, the film pulling deviation, and material jamming. At this time, the packaging speed should be appropriately reduced.
Four, Summary of Fault Repair and Elimination Schemes for Packaging Machines.
The phenomenon of packaging machine failure | The fault diagnosis of packaging equipment | The troubleshooting solution of packaging machine maintenance |
---|---|---|
No response when starting up and unable to start up | Check if the emergency stop switch is reset | Reset the emergency stop switch Turn off the main power for 20 seconds and then start up again |
Leakage switch tripping | Electric leakage from heating elements or other electrical appliances | Check each electrical appliance one by one |
Unable to increase the sealing temperature | Power trip of the breaker | Check for and eliminate short circuits, then reset |
Unable to increase the sealing temperature | The heating element is burned out | Replace the heating element |
Unable to increase the sealing temperature | The temperature controller is damaged | Replace the temperature controller |
The temperature controller display fluctuates repeatedly | The thermocouple is loose or damaged | Fasten or replace the thermocouple |
When stopped, the temperature is normal, but when started up, the temperature drops | The voltage is too low, resulting in a decrease in the power of the heating element | Reduce the packaging speed or add a voltage stabilizer |
When stopped, the temperature is normal, but when started up, the temperature drops | The power of the heating element is too small | Replace with a higher power heating element |
Unstable particle weighing | The speed is set too high | Reduce the packaging speed or contact the particle packaging machine manufacturer |
Leakage from the bag seal | The temperature is not high enough | Increase the temperature appropriately |
Leakage from the bag seal | The pressure is not sufficient | Check if the total pressure is 6.5 kg |
Leakage from the bag seal | The sealing time is too short | Increase the sealing time parameter appropriately |
Leakage from the bag seal | The front and rear horizontal sealing rollers are not sealed evenly | Carefully adjust the parallelism of the horizontal sealing rollers |
Leakage from the bag seal | Material is caught in the seal | Adjust the feeding time or inflation delay |
Leakage from the bag seal | Leakage from the seal of small powder packaging machines | Use an extended screw to fill the bag deep to avoid dust contamination of the seal |
Unable to control the cutting point or cut halfway | The edge of the packaging film is wrinkled or there is a problem with the optical path quality, causing a photoelectric misoperation | Replace the packaging film |
Unable to control the cutting point or cut halfway | The sensitivity of the photoelectric eye is not adjusted properly | Readjust the sensitivity of the photoelectric eye |
Unable to control the cutting point or cut halfway | The bag length is not set long enough, resulting in long and short bags | Increase the bag length setting |
Abnormal film pulling | The pressure of the film transport cylinder is insufficient or too high | Check if the film transport pressure is 2.5 kg |
Abnormal film pulling | The belt is slipping or damaged | Scrape the surface of the belt with a saw blade or replace the belt |
Abnormal film pulling | Excessive static electricity on the packaging film | Replace the packaging film |
The above are some fault and maintenance solutions for fully automatic packaging machines. In case of abnormal situations, users can be well aware of the maintenance or contact the manufacturer of automatic packaging machinery in time to solve the problem. If it is found that the machine parts are damaged or aged, they should be replaced in time to avoid abnormal risks in the use of the packaging machine. Our company is a fully automatic packaging machine manufacturer in Shenzhen, Guangdong Province, China. We can match or customize packaging machines according to the product characteristics, packaging specifications, bag type and other factors of users. In addition, our company also produces and supplies screw packaging machines, automatic weighing particle packaging machines, fully automatic assembly machines, visual inspection equipment and other automation equipment. Users in need are welcome to visit our factory for inspection and testing machines.
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