The quantitative packaging scale has won the trust of users in the market by virtue of its high quality, long life and many other advantages. I believe that everyone can master the correct operation skills when using the quantitative packaging scale. Next, we will briefly introduce the main components of the quantitative packaging scale and the main functions of each component, hoping to deepen your understanding.
In the electronic quantitative packaging scale, 24-bit high resolution is adopted, which is suitable for 4 or 6-wire various characteristic value weighing modules. Not only the sampling frequency can be selected in a wide range, but also the filtering function is powerful, so the numerical value caused by vibration is reduced. Fluctuations, the processed data is transmitted to the programmable controller with high precision and high speed.
The electronic quantitative packaging scale can rely on the powerful control function of PLC to make the equipment reflect excellent performance, greatly improve the weighing speed, and greatly improve the stability of the equipment. When the touch screen is in good communication with the PLC, the electronic quantitative packaging scale can complete the real-time display of the weighing, the data display is sensitive, and the weighing process data rolls obviously.
At the same time, the system of the electronic quantitative packaging scale will detect whether the bag clamping device is in a predetermined state. When the packaging bag is clamped, the system will send a control signal to open the discharge door of the weighing hopper, and the material will enter the packaging bag. The unloading door of the weighing hopper is automatically closed; after unloading the material, the bag clamping device is released, and the packaging bag automatically falls; this cycle runs automatically.
The fertilizer quantitative packaging machine is specially designed for the quantitative packaging of fertilizer products. Since all aspects are still in the initial stage of development, the technical level of the equipment is not fully mature, and some problems still occur in the actual packaging process. Appropriate improvements to the packaging scale.
For example, the material in the bag mouth of the fertilizer quantitative packaging scale has large dust, mainly because the distance between the feeding port of the weighing hopper and the bag holder is relatively large, so that the material generates dust at the mouth of the bag under the action of gravity, and the splashing material affects the labor force. The health of the baggers and the drop of potash fertilizers also increase the workload of the workers. In order to overcome this difficulty, a secondary cutting device composed of a cutting plate, a cylinder and a solenoid valve is installed between the discharge transition bins of the fertilizer quantitative packaging machine, which not only slows down the gravitational potential energy generated by the falling of materials, but also reduces the The amount of material splashing out can alleviate the pollution and corrosion of the surrounding accessories, and at the same time reduce the failure links of the fertilizer quantitative packaging scale, improve the packaging output, and correspondingly reduce the labor intensity of operators.
Sometimes, the weighing hopper leaks on the fertilizer quantitative packaging scale, which is related to the wear of the weighing hopper and the aging of the sealing strip.
First of all, let's introduce the main components of the quantitative packaging scale, which mainly include solenoid valve, material level meter, electric valve, bag travel switch, weighing instrument and weighing sensor. The solenoid valves mainly include feed butterfly valve, exhaust butterfly valve, slow discharge valve, air supply valve, blowback valve, fast discharge valve, bag clamping valve and bag turning valve, which mainly play the role of regulating the action of butterfly valve and cylinder. effect.
Secondly, the electric valve in the quantitative packaging scale system is also an important part. In the electric valve, it can also be divided into a fluidization valve and an exhaust valve, which are mainly used to control the connection and interruption of the fluidization gas source. As for the material level meter, it is a kind of normally open contact. When the material in the fluidized warehouse reaches a certain height, the corresponding relay is energized and the output is reflected to the PLC. In addition, the switch of the bag clamping stroke is a passive contact, which generally sends a pulse signal to the PLC after being touched.
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