A method for controlling the discharge flow rate of a cabinet feeder
A control method and feeder technology, which can be used in comprehensive factory control, manufacturing of cigarettes, tobacco, etc., can solve problems such as the inability to eliminate the influence of fluctuations in the storage height of tobacco leaves in the cabinet, reduce the service life of the cabinet feeder, and stop the front-end equipment. , to avoid frequent shutdown or blockage, improve the control effect, and prolong the service life
Active Publication Date: 2022-05-17
CHINA TOBACCO ZHEJIANG IND
View PDF6 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
However, the disadvantage of this method is obvious. Most of the discharge flow will exceed the actual demand, causing the height of the limiting tube in front of the belt scale to be too high, causing the front-end equipment to stop, and restarting after the height of the limiting tube is lowered.
In the process of time operation, it is necessary to stop once every 5-6 seconds. Excessive frequent start and stop not only greatly reduces the service life of the cabinet feeder, but also cannot eliminate the impact of the fluctuation of the storage height of the tobacco leaves in the cabinet.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with examples. It should be understood that the specific embodiments described here are only used to explain the present invention, and do not limit the protection scope of the present invention.
[0023] The cabinet feeder in the silk workshop of the cigarette factory is mainly distributed at the front end of the feeding. After the bottom belt is discharged, it is sent to the limit tube after being conveyed by the discharge vibration tank and the long belt. There is an electronic belt scale at the outlet of the limit tube to provide a stable flow to the feeding section. The height of the limiting tube must be higher than 20% of the maximum rise of the limiting tube to ensure the stability of the flow of the belt scale, but if the height is too high, it will cause the long belt to block the materi...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention provides a method for controlling the discharge flow rate of a cabinet feeder, comprising the following steps: determining the bottom belt of the cabinet feeder according to the bulk density of the tobacco leaves, the storage height of the tobacco leaves in the cabinet, and the set value of the production flow Predict the frequency, adjust the height of the limiting tube by controlling the actual frequency of the bottom belt as the predicted frequency of the bottom belt to be 25% to 75% of the maximum height of the limiting tube; use PID adjustment to control the actual frequency of the bottom belt of the cabinet feeder to adjust The height of the limiting tube is 0-25%, 75%-100% of the maximum height of the limiting tube. This greatly improves the stability of the feeding of the belt scale, prevents product quality degradation caused by flow fluctuations, and also greatly prolongs the service life of the equipment, and the control effect is greatly improved compared with the original control mode.
Description
technical field [0001] The invention belongs to the field of tobacco leaf flow control, and in particular relates to a method for controlling the discharge flow of a cabinet feeder. Background technique [0002] The feeder is a device that uses the feeding bin, the lifting belt, the bottom belt, and the leveling roller to detect the material through the photoelectric cell, conduct electrical control, and implement quantitative feeding for the volume of the material. It can continuously and evenly It is one of the important quantitative feeding equipment to realize the function of material buffering and balanced material delivery for the front and rear processes of the silk production line. Existing feeder generally all is storage-type feeder, as the disclosed feeder of application publication number CN111165864A and its control method and shredded tobacco production equipment, and the tobacco shredded feeder disclosed by CN 210470987 U as authorized announcement number Mach...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): A24C5/39A24C5/00
CPCA24C5/39A24C5/00Y02P90/02
Inventor 林森冯海菅威徐荣华章晓白孙科雷
Owner CHINA TOBACCO ZHEJIANG IND