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Quality Adjustment and Development Improvement of Automatic Blow Molding Machine Process
Edit:Taizhou Huangyan Yige Machinery Co., Ltd.   UpDate:2019-03-19

What aspects of the bottle blowing process need improvement?

The innovation of skills has prompted R & D workers to work hard to improve two points: one is the humanization level in the production process; the other is the power problem in the production process. The humanization of the production includes the environment at the production site, which makes people feel uncomfortable, and the production process is non-pollution, non-toxic and harmless. The power problem includes the cost of generating power, and the output of power per unit time.

Analyzing the manufacturing process of PET bottles, we can find that the following defects exist in the processing of PET bottles by SIPA series equipment:

The working environment at the top of the list is very bad. Working around the equipment for a long time will endanger the health of the personnel and worsen the energy status.

Being in an automatic blow molding machine workshop, I believe that you must feel noisy at the top of the list, and then the workshop temperature will be very high. Whenever the noise level in the workshop is equivalent to standing around a heavy truck listening to the deflation action, the temperature persists above 30 degrees. The temperature in the cabin is forty to fifty degrees. In this environment, central air-conditioning has been installed in the workshop, and the cabin has been installed with facilities such as sound insulation panels. Maintenance equipment can only reduce the harm to people, and with the improvement of humanity awareness, the direction will be changed to modify the process, which will improve the blowing processing environment.

The second is that the equipment has a high degree of active integration. This has the advantage of completing the production process in a relatively small amount of space. Save space, assist production time, etc. However, many problems are also exposed here. In the integration, the active control system of the equipment is very complicated. In order to ensure the harmony of the various steps, many closed-loop control systems are required to fine-tune the entire processing process in real time, including the orientation (such as at the conveyor belt). , Time, etc., many applications of the closed-loop system have added requirements for industrial computers. Although the separate electrical box at each step is used to handle the sub-control of the main electrical box together—the operation of the merger bank, but the skills are still Is imperfect. Once a problem occurs in one link, the entire equipment must be discontinued. And the production environment is harsh, the electronic components and key mechanical parts are easily damaged, and the equipment's downtime is high. What's more important is that it is difficult to replace many mechanical parts. If the processing is subcontracted, the domestic level generally does not meet the requirements, and overseas acquisitions have long cycles and expensive costs. This virtually adds equipment operating costs. However, careful analysis of the entire process can actually prevent high autonomy and achieve high power in the same way.

The operator of the third device did not complete the unmanned production completely with the increase of the integration. The first problem is that the stability of the equipment is not optimistic, requiring a bottle inspector to pay attention to the quality of the bottle. The bottle inspection work requires personnel to focus on their time in a harsh environment, which consumes a lot of energy. There must be at least four people in a workshop to ensure that the equipment is quickly repaired if it fails. Requirements for four repairmen. First of all, these four persons have at least one year of operating experience in the equipment, are familiar with the relevant influences of various parameters of the equipment, and also require certain equipment repair capabilities. Human factors still have a great impact on equipment.

Others, such as the requirements for auxiliary machinery, the requirements for the system, etc., will promote the improvement of the PET bottle manufacturing process in several aspects:

The first is the environment. The harsh environment cannot be prevented. The materials have melting, cooling and molding processes, as well as blow molding processes, which make the improvement of the working environment limited. The direction of improvement can only be towards unmanned, active production.

The second aspect is the degree of integration. The direction of integration may be step-by-step, and the direction of collective production will be controlled. Step-by-step can make the other links continue to produce when there is a problem in one link of the equipment. Together, it can also reduce the overall control difficulty, making the device easier to control. Using group-controlled production, the utilization rate of each device can be adjusted, so that if there is a problem with the device, other devices temporarily overload the device to replace the device after the adjustment of the program. The application status of group control is still relatively immature, and it is mainly limited to the processor. But such an idea will become possible in the future.

In terms of inspection, the physical electrical eye inspection will be partially replaced by electronic camera inspection, which will make the monitoring of each process step more accurate, and it will no longer require bottle inspection staff, reducing the requirements for people. The monitoring data can provide more accurate data for the control of the main controller, which is convenient for completing the active adjustment.

The development of skills will inevitably bring about a change in the concept of production. The change in the concept of production will inevitably lead to the development of skills. The mutual promotion of the two will certainly make the production more and more perfect.