Dry Goods | Small Tricks for Daily Maintenance of a Loss-in-Weight Feeder, Collect and Keep for Later Use!
Release time:2023-02-10
Loss-in-weight feeders are mainly suitable for weighing powdery or granular materials. Such materials have some characteristics, such as easy scattering, adhesion, adsorption, and volatilization. Therefore, more attention should be paid during production and maintenance to meet the needs of different materials.
What are the requirements for the operation of a loss-in-weight feeder?
1、Loss-in-weight feeder for The requirement for weighing accuracy is very high The sealing structure of the equipment itself is largely designed to ensure high-precision measurement, and it can also prevent the material from polluting the production workshop or the external environment.
2. For some chemical enterprises with special measurement requirements, loss-in-weight feeders also need to have Explosion-proof device In this way, emergency situations can be actively responded to and the requirements of national safety management can be met.
Haichuan Intelligent Loss-in-weight Feeder Adopts a combination of a separately servo motor-driven horizontal stirrer and a vertical stirrer that is easier to handle bridging materials, to a greater extent during weighing Prevent material bridging and arching The sealed design helps you create a clean workshop while reducing the spillage of powder.
To have an efficient working state, daily equipment maintenance is essential. Before discussing specific measures, we need to understand the reasons for the fluctuation of the loss-in-weight feeder.
Reasons for loss-in-weight feeder fluctuation:
1、 The feeding motor and the spiral are not working smoothly Check the size of its vibration and noise.
2. Weighing platform and the body and surrounding objects There is touching and adhesion 。
3、 The feeding spiral impeller is damaged If it affects the uniformity of feeding. We found that the spiral blades sometimes wear out faster, and occasionally there are missing pieces, affecting the stability of spiral feeding.
4. The soft connection between the loss-in-weight metering hopper and the replenishment hopper, the soft connection between the loss-in-weight metering hopper and the exhaust pipe, and the soft connection between the discharge port and the hopper are in an abnormal state.
After understanding the reasons for the fluctuation of the loss-in-weight feeder,
Daily maintenance knowledge of loss-in-weight feeders is also essential
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First of all, during the use of equipment to supply materials, it is necessary to pay attention to the cleanliness of the equipment. When the surface of the equipment is stained or there is a lot of dust, it should be Clean up in time Keep the equipment clean and dry.
In addition, during the use of the equipment, it is also necessary to Regular calibration Some equipment may have deviations in accuracy due to long-term use, and timely calibration can avoid errors and ensure the accuracy of the loss-in-weight feeder.
During daily use, 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 put a certain burden on the equipment.
In response to these maintenance needs,
15 daily equipment maintenance management suggestions should not be missed:
1. Observe the position of the gearbox vernier and add lubricating oil to the gearbox regularly.
2. Regularly add grease to the reducer with an oil gun.
3. Regularly check the wear condition of the gears in the gearbox.
4. Regularly check whether the oil seal connected to the output shaft in the gearbox is aging. It is recommended to replace it regularly (1 year).
5. Regularly check the oil seal of the horizontal stirring paddle in the hopper. It is recommended to replace it regularly (1 year).
6. Regularly check the screw blade (for blade-type welded screw) for deformation. If the deformation is serious, it needs to be replaced.
7. Regularly check the weighing accuracy (place the standard weight on the scale body) to determine whether re-calibration or weighing sensor is required.
8. Regularly check whether there are foreign objects in the hopper, spherical hopper or U-shaped hopper, and the discharge port and screw.
9. When using for the first time, pay attention to the direction of rotation of the screw. When facing the screw discharge port, the screw should rotate clockwise. If the rotation direction is opposite, the frequency converter parameters can be set to adjust the screw direction.
10. If the customer changes the material (the material characteristics need to be the same), the material in the screw and the spherical hopper should be cleaned to ensure product quality.
11. After daily use, the scale platform should be cleaned in time to ensure that there are no foreign objects between the scale platform cover and the base, and to ensure that there is no external object pulling or applying external force to the loss-in-weight feeder. Ensure that the cable is bundled normally and no external force is applied to the loss-in-weight feeder.
12. Before any handling and movement of the loss-in-weight feeder, the protective block between the cover and the base under the scale body must be installed and fixed to prevent damage to the weighing sensor during handling and transportation. The protective block can only be loosened after the loss-in-weight feeder is installed in place.
13. The loss-in-weight feeder should be installed away from vibration sources, and the base should be firm and stable.
14. The control system needs good weak electricity grounding, and it should be strictly separated from strong electricity grounding, and the grounding resistance should be less than 1 ohm.
15. If an unexplained malfunction occurs during use, record the malfunction, cut off the power, have an electrician and a fitter present, and perform maintenance under the premise of ensuring personnel and equipment safety.
Haichuan Intelligent Not only possesses precise weighing equipment, but also can answer your questions about daily maintenance. Starting from high efficiency, providing more user-friendly service~
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