Daily maintenance of twin-screw micro loss-in-weight scales for loss-in-weight feeders
Release time:
2021-11-25 10:14
Source:
Usually, you need to pay attention to the cleanliness of the equipment during the use of equipment to supply materials. When the surface of the equipment is stained or there is a large amount of dust, it should be cleaned in time to keep the equipment in a clean and dry state. In addition, the equipment needs to be regularly calibrated during the use of the equipment. Some equipment may have deviations in accuracy due to long-term use, and even the calibration can avoid errors and ensure the accuracy of the weightless feeding equipment.
The current weightless feeder has a reasonable structure design, and the staff usually need to lubricate and maintain the equipment regularly. If the lubrication effect of the equipment is not good, some parts are prone to looseness. After the lubrication treatment, the operation effect of the equipment will be even better. Stable, higher production efficiency can also be achieved.
Usually when using a weightless feeder, the staff should also pay attention to whether the dry and wet state of the material meets the standard. When the humidity of the material is too high, the weight of the material will increase, which will not only affect the accuracy, but also cause certain damage to the equipment. Therefore, the maintenance knowledge needs to be mastered and understood in the process of using the weightless feeding equipment.
The batching scale is generally composed of two parts: a scale body, a feeding mechanism, a discharging mechanism, and an electric control system.
1. Feeding mechanism
Generally, the feeding mechanism adopts several forms such as cylinder arc gate feeding, vibration feeding, spiral feeding, impeller feeding, air blowing feeding, etc. The general production adopts sheet metal cold working processing.
2. Unloading mechanism
Generally, the unloading mechanism adopts several forms such as cylinder arc gate unloading, vibration unloading, screw unloading, rotary feeder unloading, or directly using pneumatic (electric) valve unloading. Generally, cold-worked sheet metal processing is used for production or direct purchase of rotary feeders and pneumatic (electric) valves.
Third, the scale body
Most of the scale body uses metal angle steel, channel steel, square pipe, etc. as the main materials, which are made by welding, grinding, spraying or painting. At the same time, the main material is also made of concrete and metal as a supplement. .
Four, electronic control system
The electrical system is mainly composed of weighing unit and control unit. The weighing unit is controlled by weighing sensor + controller + electrical components in most cases. This method has stable quality, relatively complicated debugging, low cost and simple function. Another control method that is often used is weighing sensor + weighing transmitter + PLC + touch screen (industrial computer). This method has good quality and stability, simple debugging, simple operation, rich functions but high cost, so this control method is the choice of large and medium-sized users.
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