Introduce how to improve the accuracy of lubricating oil filling production line

2020-08-08

Most of the existing lubricating oil filling production lines control the amount of lubricating oil injected into the packaging bottle through a flow detector on the oil pipe, and only rely on a single flow detector to detect and feed back the amount of lubricating oil. When the quality of the injected lubricating oil is not good, the traces of residual oil in the pipe may condense on the wall of the oil guide pipe, causing the detection error of the flow detector. The amount of oil in the packaging bottle detected by the flow detector may be greater than the actual amount of oil, which will affect the accuracy of the amount of oil in the bottle.
Aiming at the existing shortcomings, our company has developed a new type of lubricating oil filling machine, which has the advantage of improving the control accuracy of the amount of lubricating oil in the bottle.
The machine includes a machine, a conveyor belt connected with a drive motor on the machine, a filling mechanism above the conveyor belt on the machine, and an oil storage tank connected with the filling mechanism. The machine is equipped with a detection platform under the conveyor belt. On the test bench, multiple bearing seats are arranged horizontally. A supporting column is arranged between adjacent bearing seats. The bearing seat is equipped with a weight detection device to detect the weight of the bearing seat and output the corresponding weight detection voltage. The weight detection device also includes:
The comparison circuit is coupled with the weighing detection device, and the weighing reference voltage is preset. Compared with the weighing reference voltage, the system receives the weighing detection voltage and outputs the corresponding filling control signal;
The filling circuit is coupled with the comparison circuit, receives the filling control signal, and controls the filling production line mechanism to stop filling the packaging bottle with lubricant;
When the weight detection voltage output by the weight detection device reaches the preset weight reference voltage of the comparison circuit, the filling control signal output by the comparison circuit controls the filling mechanism to stop filling the packaging bottle with lubricating oil.
The empty packaging bottle is sent to the bearing seat under the filling mechanism along the conveyor belt, and the filling mechanism starts to inject lubricant into the packaging bottle. As the amount of lubricant injected into the packaging bottle increases, the weight detected by the bearing seat and the upper weight detection device gradually increases. Set the preset weighing reference voltage of the comparison circuit according to the weight of the set volume in the packaging bottle, and set the filling reference voltage according to the volume of the set volume in the packaging bottle.
When the weight detection voltage is less than the weight reference voltage, it means that the amount of oil in the bottle has not reached the predetermined amount, and the filling mechanism continues to fill the packaging bottle; when the weight detection voltage output by the weight detection device reaches the weighing reference voltage, that is, when the packaging bottle When the lubricating oil inside reaches a predetermined filling amount, the filling mechanism stops filling lubricating oil into the packaging bottle. Since there are only bottles above the conveyor belt, there are no other interfering factors that exert pressure on the bearing seat below the conveyor belt, so the oil detection result is closer to the actual situation. Through the weight detection device to detect the weight of the packaging bottle, the amount of oil injected into the packaging bottle can be detected, and the accuracy of the lubricating oil filling production line can be improved.

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