A Grating-Based Calculation Method of Storage Cabinet Discharge Flow
A calculation method and storage cabinet technology, applied in the directions of transportation, packaging, loading/unloading, etc., can solve problems such as flow mismatch between front and back processes, frequent start and stop of equipment, and low control accuracy, so as to avoid manual intervention, ensure normal operation, The effect of ensuring product quality
Active Publication Date: 2022-02-18
CHINA TOBACCO ANHUI IND CO LTD
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Problems solved by technology
[0006] The purpose of the present invention is to solve the deficiencies in the above-mentioned prior art, and propose a grating-based storage cabinet discharge calculation method, in order to improve the material uniformity and equipment efficiency of storage cabinet equipment in the silk workshop when they are discharged. High efficiency during operation, so as to solve the problems of frequent start and stop of equipment caused by low precision of storage cabinet discharge control and mismatch of flow in front and back processes in the production process of silk workshop
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[0030] In this embodiment, the storage cabinet drives the driving wheel through the motor and drives the driven wheel to rotate through the discharge bottom belt, so as to transport the materials on the discharge bottom belt; a grating-based storage cabinet discharge calculation method, the first time through The long-term experimental measurement method has clarified that there is a certain positive correlation between the discharge bottom belt rate of the storage cabinet and the storage cabinet discharge flow rate, so that the corresponding reasonable bottom belt frequency can be calculated according to the process flow regulations, and passed The grating is used to detect the height of the material in the process of discharging in real time, which realizes the automatic modification of the frequency of the discharge bottom belt of the storage cabinet, and realizes the precise control of the discharge flow of the storage cabinet. Specifically, the calculation method of the dis...
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The invention discloses a grating-based method for calculating the discharge flow rate of a storage cabinet. The steps include: 1. Installing a detection encoder on the driven wheel of the storage cabinet to detect the actual running speed of the bottom belt of the storage cabinet; 2. Discharging the material in the storage cabinet Install a grating at the outlet to detect the height of the material level at the outlet when the storage cabinet is discharged; 3. Obtain the operating flow rate of the downstream electronic scale through the S7 communication between PLCs; 4. Detect the material level height and the operating flow rate of the downstream electronic scale through the grating, and calculate the expected The running speed of the bottom belt of the storage cabinet and the initial running frequency of the bottom belt; 5. The actual running frequency of the bottom belt of the storage cabinet is obtained through PID calculation. The invention can improve the material uniformity of the storage cabinet equipment in the silk workshop when it is discharging and the efficiency of the equipment during operation, thereby solving the problem of low precision of storage cabinet discharge control and mismatching flow rates between the front and rear processes in the assembly line production process of the silk workshop As a result, the equipment frequently starts and stops and other problems.
Description
technical field [0001] The invention relates to the technical field of industrial automation, in particular to a storage cabinet discharge flow calculation method suitable for all storage cabinet discharge systems in the tobacco industry. Background technique [0002] In the tobacco processing industry, the silk workshop adopts the automatic assembly line production mode, and the uniformity of material flow must be ensured, such as image 3 As shown in the figure, since the materials in the storage cabinets all present a storage state of "low at both ends and high in the middle", that is, the sides of the materials in the storage cabinets are roughly trapezoidal. In the storage cabinet discharge stage, if the bottom belt motor adopts a small frequency, it may cause insufficient material flow at the material head and tail stages, resulting in material breakage; if the bottom belt motor adopts a high frequency, it may cause During the process, the material flow is too large, a...
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IPC IPC(8): B65G65/00B65G65/42
CPCB65G65/005B65G65/42
Inventor 刘先成刘一尘陈亮郭阳唐彬彬赵路方庆陈立乐刘朝晨张坤
Owner CHINA TOBACCO ANHUI IND CO LTD