CN110921274A - Redrying full-automatic digital feeding method and system - Google Patents
Redrying full-automatic digital feeding method and system Download PDFInfo
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- CN110921274A CN110921274A CN201911235432.XA CN201911235432A CN110921274A CN 110921274 A CN110921274 A CN 110921274A CN 201911235432 A CN201911235432 A CN 201911235432A CN 110921274 A CN110921274 A CN 110921274A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
- B65G47/68—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices adapted to receive articles arriving in one layer from one conveyor lane and to transfer them in individual layers to more than one conveyor lane or to one broader conveyor lane, or vice versa, e.g. combining the flows of articles conveyed by more than one conveyor
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/10—Roasting or cooling tobacco
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G13/00—Roller-ways
- B65G13/02—Roller-ways having driven rollers
- B65G13/06—Roller driving means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/24—Gearing between driving motor and belt- or chain-engaging elements
- B65G23/30—Variable-speed gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/02—Devices for feeding articles or materials to conveyors
- B65G47/16—Devices for feeding articles or materials to conveyors for feeding materials in bulk
- B65G47/18—Arrangements or applications of hoppers or chutes
- B65G47/19—Arrangements or applications of hoppers or chutes having means for controlling material flow, e.g. to prevent overloading
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/23—Devices for tilting and emptying of containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/04—Spreading out the materials conveyed over the whole surface to be loaded; Trimming heaps of loose materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0202—Agricultural and processed food products
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0266—Control or detection relating to the load carrier(s)
- B65G2203/0291—Speed of the load carrier
Abstract
The fully-automatic digital re-baking feeding method comprises the following steps: s1, determining a baking plan; s2, performing proportioning calculation on the sub-materials of various grades to obtain a formula combination scheme; s3, according to the goods position information and the chemical component information of the sub-material storage, the formula assembly scheme is selected to be decomposed into a plurality of small batch delivery units for delivery; s4, distributing the sub-materials of each small-batch ex-warehouse unit to each feeding port for box turning and feeding, and S5, performing feedback control according to the box turning and feeding conditions to optimize the next small-batch ex-warehouse stock preparation sequence. The invention also discloses a fully-automatic digital feeding system for redrying. The invention can correlate the feeding data, formula decomposition and execution data of the raw tobacco, is convenient for optimizing the feeding sequence, equipment parameter regulation and control and the like of the whole feeding link by a quality analysis means of statistical process control, and thus achieves a highly intelligent, informationized and digitized processing mode.
Description
Technical Field
The invention belongs to the technical field of intelligent equipment such as informatization, automation, digitization and the like, and particularly relates to a redrying full-automatic digital feeding method and system.
Background
Threshing and redrying are used as the first key process of cigarette manufacturing, and have a decisive effect on the taste and quality stability of finished cigarettes. In recent years, with the improvement of national economic level, people pursue higher and higher quality of cigarettes. The raw material tobacco leaves have great quality fluctuation due to differences of planting environments, regions and the like. And the traditional threshing and redrying mode has the defects of large homogenization material preparation and feeding limitation, the manual leaf laying swing is lack of flow control and monitoring means, and the matching effect is difficult to ensure.
The domestic redrying industry has already studied the digital feeding, but most of them are based on the control of a single link. The production control of more refinement and homogenization is a necessary way for threshing and redrying by effectively correlating a plurality of links from storage to homogenized material preparation and feeding based on raw material quality data through informatization and automation means.
Disclosure of Invention
In order to overcome the technical defects in the prior art, the invention discloses a fully-automatic digital redrying feeding method and a fully-automatic digital redrying feeding system.
The invention relates to a fully-automatic digital redrying feeding method, which comprises the following steps:
s1, determining a baking plan, wherein the baking plan comprises feeding grades of raw materials and the proportion of various raw materials; the raw materials comprise various sub-materials with different effective components and position distribution, and the storage data of the sub-materials, including the chemical component content and the position distribution information of the sub-materials, is obtained;
s2, performing proportioning calculation on the sub-materials of various grades to obtain a formula matching scheme, wherein the constraint conditions are as follows: ensuring that the overall deviation of the chemical component mean values of the sub-materials with different grades in the formula and the corresponding chemical component mean values of the raw materials is minimum;
s3, according to the goods position information and the chemical composition information of the sub-material storage, the formula assembly scheme is selected to be decomposed into a plurality of small batch delivery units for delivery, the decomposition constraint needs to meet a first condition and a second condition, and the priority of the first condition is higher than that of the second condition;
the first condition is that: the material taking moving path of each sub-material is shortest in the warehouse-out process;
the second condition is that: the deviation between the chemical component mean value of each sub-material in each small-batch ex-warehouse unit and the corresponding chemical component mean value of the raw material is minimum;
s4, distributing the sub-materials of each small-batch delivery unit to each feeding port for box-turning feeding according to the specific parameters of the box-turning feeding end equipment, scattering the raw materials of different grades in the box-turning feeding process, and performing uniform flow control;
and S5, carrying out feedback control according to the box turning and feeding conditions, and optimizing the next small batch warehouse-out and stock preparation sequence. And summarizing all the sub-materials and conveying the sub-materials to a production link.
Preferably, in the warehouse-out process of step S3, the warehouse-out is performed by an indoor positioning method.
Preferably, in step S3, the recipe formulation decomposition method includes, but is not limited to, a single-parameter control method and a multi-parameter control method.
Preferably, in step S3, when the recipe formulation is decomposed and the amount of the sub-ingredients in the recipe is less than the total type of the sub-ingredients in the library, the sub-ingredients are selected from the outer layer to the inner layer according to the positions of the sub-ingredients.
Preferably, the step S4 includes calculating the number of the feeding ports required for feeding each sub-material, where the calculation method is to calculate the number of the feeding ports corresponding to the level according to the number of the feeding ports and the ratio of each sub-material, and the calculation formula is as follows:
[n d ]=a*m;
in the formula (2)n d ]Means that the rounding is carried out to round,athe proportion of the formula corresponding to the grade is shown,mindicating the total number of loading ports.
Preferably, in step S4, the flow rate calculation formula for the feeding branch is as follows:
v d =V*a/[n d ]。
in the formula (I), the compound is shown in the specification,v d representing the flow rate of the feeding branch corresponding to the sub-material,Vand the target flow of the feeding and collecting belt for collecting all the feeding branch conveying sub-materials is shown.
Preferably, the box-overturning feeding in the step S4 may be dilution feeding or quantitative feeding.
The invention also discloses a redrying full-automatic digital feeding system which is characterized by comprising an intelligent algorithm system, a warehouse-out stock preparation execution system and a quantitative mixed-leaf feeding execution system, wherein the intelligent algorithm system, the warehouse-out stock preparation execution system and the quantitative mixed-leaf feeding execution system can communicate with each other;
the intelligent algorithm system comprises a tobacco ex-warehouse stock preparation module, a homogenization collocation module and a matched decomposition feeding module;
the ex-warehouse stock preparation execution system comprises a transport tool and a box-turning and feeding execution system.
Preferably, the box-turning and feeding execution system comprises a feeding collection belt, a discharging conveying belt connected with the feeding collection belt, and a plurality of feeding branches, wherein each feeding branch comprises a tobacco frame feeding port, a conveying roller way, a box-turning feeding machine, a feeding cache cabinet, a loose leaf climbing belt and an even feeding belt connected with the feeding collection belt, which are sequentially connected.
Preferably, the transport means is a forklift or an AGV
The invention can correlate the feeding data, formula decomposition and execution data of the raw tobacco, is convenient for optimizing the feeding sequence, equipment parameter regulation and control and the like of the whole feeding link by a quality analysis means of statistical process control, and thus achieves a highly intelligent, informationized and digitized processing mode.
Drawings
FIG. 1 is a schematic diagram of a system architecture of an embodiment of a fully automatic digital feeding system for redrying according to the present invention;
FIG. 2 is a schematic diagram of one embodiment of a case-turnover feeding execution system according to the present invention;
FIG. 3 is a schematic diagram of one embodiment of a formulation decomposition and homogenization matching process of the present invention;
FIG. 4 is a diagram illustrating an embodiment of an outbound path according to the present invention;
FIG. 5 is a schematic diagram of an embodiment of a work flow of the box-turning feeding execution system and the quantitative mixed-leaf feeding execution system of the present invention;
FIG. 6 is a schematic view of one embodiment of a feed summing belt of the present invention;
FIG. 7 is a schematic diagram of a fully automatic digital feeding method for redrying according to an embodiment of the present invention;
the reference numbers in the figures refer to: 101-tobacco frame feeding port 102-conveying roller way 103-box turning feeding machine 104-feeding cache cabinet 105-loose leaf climbing belt 106-uniform feeding belt 107-feeding summarizing belt 108-discharging conveying belt, 1071-first area, 1072-second area, 1073-third area, 1074-fourth area and 1075-fifth area.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
The re-baking full-automatic digital feeding method is mainly used for proportioning raw materials of various grades with different contents of effective components, so that the effective components in the mixture obtained after proportioning meet the requirements.
The fully-automatic digital re-baking feeding method is characterized by comprising the following steps:
s1, determining a baking plan, wherein the baking plan comprises feeding grades of raw materials and the proportion of various raw materials; the raw materials comprise various sub-materials with different effective components and position distribution, and the storage data of the sub-materials, including the chemical component content and the position distribution information of the sub-materials, is obtained;
raw materials are generally classified according to the production place, picking time, tobacco quality and the like before tobacco redrying, stacked raw materials are stored in a stacking or tobacco frame storage mode, each tobacco frame or stack is stacked with sub-materials with a certain volume, the same raw materials comprise the sub-materials placed in a plurality of tobacco frames, and after feeding, the content of effective components of each tobacco frame is generally determined according to the nicotine content.
The baking schedule typically selects 2 or more ingredients, for example 60% for a and 40% for B, depending on the characteristics of the product to be produced. Wherein, the raw material A is a raw material with better quality, and the raw material B is a raw material with inferior quality.
S2, performing proportioning calculation on the sub-materials of various grades to obtain a formula matching scheme, wherein the constraint conditions are as follows: ensuring that the overall deviation of the chemical component mean values of the sub-materials with different grades in the formula and the corresponding chemical component mean values of the raw materials is minimum;
for example, the average value of the nicotine content of the whole A raw material is 3%, the A raw material is stored in nine smoke frames, the sub-materials stored in the nine smoke frames are A01 and A02 … A09 respectively, the average values of the nicotine content of the sub-materials are A10 and A20 … A90 respectively, and are not 3%, at least two seed materials are selected, the deviation sum of the nicotine average value and the whole average value is minimum while the total amount of the two seed materials meets the requirement, and for example, the deviation sum is the sum of the absolute values of (A10-3%) and (A20-3%) when the two seed materials of A01 and A02 are selected.
The method for obtaining the formula assembly scheme by carrying out proportioning calculation according to the constraint condition can be a single-parameter control method and a multi-parameter control method. The single parameter control method includes, but is not limited to, a mean collocation method, a classification proportion collocation method, a dynamic median collocation method, etc., and the multi-parameter control method includes, but is not limited to, a multi-parameter weight control method and a multi-parameter step control method.
S3, according to the goods position information and the chemical composition information of the sub-material storage, the formula assembly scheme is selected to be decomposed into a plurality of small batch delivery units for delivery, the decomposition constraint needs to meet the total amount requirement, a first condition and a second condition, and the first condition is higher in priority than the second condition;
the first condition is that: the material taking moving path of each sub-material is shortest in the warehouse-out process;
the second condition is that: the deviation between the chemical component mean value of each sub-material in each small-batch ex-warehouse unit and the corresponding chemical component mean value of the raw material is minimum;
the feeding in the tobacco redrying is a continuous process, so that the whole active ingredients matched with various raw materials are required to meet the requirements, and the average value of the active ingredients matched with the fed raw materials is expected to be as close to the expected average value of the active ingredients as possible in the feeding process.
Meanwhile, in order to reduce the path of the transport tool and the carrying workload, the sub-material with the short material taking moving path is preferentially selected, and when the sub-material obtained in the step S2 is the same as the quantity of the sub-materials in the warehouse, all the sub-material tobacco leaves in the warehouse are selected. When the amount of the formula sub-materials is less than the amount of the formula sub-materials in the warehouse, the sub-material cigarette frames are gradually and preferably selected from the outer layer to the inner layer according to the position of the stacking cigarette frames.
For example, for stacked smoke frames as shown in fig. 4, the smoke frames closer to the feeding port 101, i.e. three smoke frames a01, a04 and a07, are preferably selected, and then 2 or 3 smoke frames are selected for proportioning, so that the average value of the chemical components of each sub-material in each small batch of ex-warehouse units is minimized to the average value of the corresponding chemical components of the raw materials.
For example, the average value of nicotine of the A-type raw material is 3%, 12 tons of the A-type raw material are needed, the amount of the sub-materials stored in each smoke frame is 1 ton, the single feeding cannot exceed 2 tons according to the feeding speed of a feeding port, the nicotine content of the three smoke frames A01, A04 and A07 is 2.9, 2.95 and 3.1 respectively, two smoke frames A01 and A07 are selected, 1 ton of the two smoke frames A04 and A07 are selected respectively as a first ex-warehouse unit, the two sub-materials account for 50% respectively, and half of the feeding ports are respectively allocated for discharging.
Ten tonnes of material are then required and selection of no more than 2 tonnes of material from the remaining outer smoke frames continues, with the criterion being that the combined mean has the least deviation from the mean of the material.
A more specific method for calculating the feeding ports required by various sub-materials is to calculate the number of the feeding ports corresponding to the grade according to the number of the feeding ports and the proportion of the sub-materials. The calculation formula is as follows:
[n d ]=a*m。
in the formula (2)n d ]Means that the rounding is carried out to round,athe proportion of the formula corresponding to the grade is shown,mindicating the total number of loading ports.
After rounding off, if the total number of the feeding ports required by each sub-material exceeds the total number m of the feeding ports, the number of the feeding ports which is maximally less than that of the feeding ports corresponding to the example material can be reduced by 1. For classes with too few classes, the classes can be merged into one class first.
S4, distributing the sub-materials of each small-batch delivery unit to each feeding port for box-turning feeding according to the specific parameters of the box-turning feeding end equipment, scattering the raw materials of different grades in the box-turning feeding process, and performing uniform flow control;
and after the required feeding ports corresponding to the sub-materials are determined, calculating the flow of the feeding branch corresponding to each feeding port according to the target flow. The calculation formula is as follows:
v d =V*a/[n d ]。
in the formula (I), the compound is shown in the specification,v d representing the flow rate of the feeding branch corresponding to the sub-material,Vand the target flow of the feeding and collecting belt for collecting all the feeding branch conveying sub-materials is shown.
The feeding precision of the method with minimum control can reach 0.1Kg, when the feeding of a certain sub-material is less than one cigarette frame, the feeding can be carried out according to the whole frame, and the unused rest part of the ex-warehouse unit is automatically settled to the next feeding batch.
In the process of carrying the sub-materials from the cigarette frame, the recommended method is an indoor positioning method, such as label positioning. When the forklift is taken out of the warehouse, the system issues the operation task to a transport tool such as an intelligent forklift display screen, and a forklift worker takes out of the warehouse according to the prompted initial position.
In the control process, the motor rotating speed of the feeding belt can be calculated by combining the flow of the climbing belt after leaves are scattered uniformly, and the output of the frequency converter is controlled by the PLC, so that the parametric control of the equipment is realized.
And S5, performing feedback control according to the box-turning feeding condition, and optimizing the stock-discharging sequence of the next small batch. And summarizing all the sub-materials and conveying the sub-materials to a production link.
The invention can adopt a redrying full-automatic digital feeding system to realize the feeding method, wherein the feeding system comprises an intelligent algorithm system, a warehouse-out material preparation execution system and a quantitative mixed-leaf feeding execution system which can be communicated with each other;
the intelligent algorithm system comprises a tobacco ex-warehouse stock preparation module, a homogenization collocation module and a matched decomposition feeding module;
the ex-warehouse stock preparation execution system comprises a transport tool and a box-turning and feeding execution system.
The communication in the system is carried out through the built local area network. The upper industrial personal computers or the PLC of all links can communicate with each other.
The system architecture of the redrying full-automatic digital feeding system is shown in fig. 1, and comprises a server, upper control software, a network switch, an intelligent algorithm system in the form of software in the control software, a warehouse-out stock preparation execution system and a quantitative mixed-leaf feeding execution system.
The communication in the system can be carried out through the built local area network. The upper industrial personal computers or the PLC of all links can communicate with each other.
The server 201 is a high-performance large-capacity server, and a stable server system and database software are installed. Based on the server, a quality cloud database system belonging to a redrying enterprise is constructed, wherein the database comprises a raw material storage and quality database, a delivery matching and feeding quality database, a baking process quality database, a finished tobacco strip quality database and the like.
The intelligent algorithm system is designed in advance with various homogenizing matching, feeding and assembling decomposition methods, and the whole system can call the algorithm module to perform corresponding data processing, such as determination of a tobacco ex-warehouse module, recommendation of a homogenizing matching module, formulation of an assembling decomposition feeding scheme and the like.
Based on the intelligent algorithm system, when formula decomposition and homogenization are carried out, the tobacco ex-warehouse stock preparation module firstly acquires corresponding warehouse quality data including information such as producing area, grade, cargo space, weight and the like from the database. The execution process is as follows: the system upper computer software obtains quality data of raw tobacco in the warehouse and stacking data of goods positions or tobacco frames, and the homogenization matching module carries out first-step decomposition on the baking plan according to the quality data and in combination with a pre-stored homogenization matching method to determine an integral ex-warehouse plan. And the assembly decomposition feeding module divides the whole baking plan into a plurality of small batch feeding units according to the decomposition condition of the baking plan by combining the quality data and the corresponding ex-warehouse stock preparation method, and the mean deviation of the chemical components of each unit is minimum.
And the upper computer software automatically acquires parameters such as the flow of the mixing cabinet and the baking line, decomposes the material preparation unit to each feeding port, and gives a recommended system hardware parameter setting scheme by combining the flow ratio control of each link, and if no manual intervention is performed, the system hardware parameter setting scheme is automatically executed and issued to a corresponding lower control end.
The ex-warehouse stock execution system may use an indoor positioning method, such as label positioning, when planning the path of the cigarette box and the transportation vehicle. When the forklift leaves the warehouse, the system issues the operation task to the display screen of the intelligent forklift, and the forklift worker leaves the warehouse according to the prompted initial position.
The ex-warehouse execution system mainly comprises the planning of a forklift operation path, the monitoring of the position of a forklift cigarette taking frame and the monitoring of a target lofting position. Such as taking the 1 st cigarette from the warehouse a01 sub-frame and forking to the frame feed opening 101 according to the planned path. The transport may also employ an unmanned and remotely operable AGV.
After the tobacco frame is placed on the tobacco frame feeding port 101, the system starts and stops and controls parameters of each device in the turnover box feeding execution system according to the feeding condition of each feeding port, so that the purposes of uniformly feeding and reducing the conveying time are achieved.
One embodiment of the box-turning feeding execution system is shown in fig. 2 and comprises a feeding collection belt, an discharging conveying belt connected with the feeding collection belt, and a plurality of feeding branches, wherein each feeding branch comprises a tobacco frame feeding port, a conveying roller way, a box-turning feeding machine, a feeding cache cabinet, a loose leaf climbing belt and an even feeding belt connected with the feeding collection belt, which are sequentially connected.
The cigarette frame material loading mouth 101 contains a cigarette frame tray, places 4 reference columns on the tray. The intelligent forklift places the cigarette frame on the tray, and the cigarette frame is conveyed to the conveying roller way 102 through the chain type sliding rail mechanism.
The rollgang 102 uses a multi-section rollgang mechanism powered by a motor. The roller way can rotate forwards and backwards, so that the empty cigarette frames can be conveniently returned to the feeding position.
The box-turning feeder 103 is a mechanism designed in a miniaturized and customized manner, and can realize box-turning feeding of a folding type cigarette frame and a fixed type cigarette frame. During operation, the tobacco frames are conveyed to the fork arms of the box turnover feeder 103 through the conveying roller way 102. The turnover of the cigarette frame is driven by the turnover of the fork arms, so that the purpose of feeding is achieved. In order to ensure continuous and stable feeding, a feeding buffer cabinet 104 is added at the rear end of the box-turning feeder. When the capacity of the buffer storage cabinet 104 approaches the upper limit, the box turning feeding is not allowed until the tobacco amount reaches the allowed box turning feeding range.
Tobacco leaves in the buffer storage cabinet 104 are scattered through the scattered tobacco leaf climbing belt 105. Meanwhile, a gear tooth type shifting fork mechanism is arranged at the upper end of the climbing belt and used for conveying tobacco leaves to the scattered leaf climbing belt 105. In the middle part of the scattered leaf climbing belt, the flow and the uniformity of the belt can be improved through the gear type roller.
At the rear end of the loose leaf climbing belt 105, a section of uniform feeding belt 106 composed of a dynamic belt scale is arranged, and the uniform feeding belt has the functions of weighing and feeding.
The even feed belt of each feed branch road sends the child material to the feed belt that gathers, and the feed that has assembleed various child materials gathers the belt and sends the raw materials to ejection of compact conveyor belt output and collocates the raw materials that the material is good.
The whole structure and the process sequence of the system are combined, and two quantitative feeding modes are provided, namely dilution feeding and quantitative feeding respectively.
In the dilution method feeding process, all feeding branches continuously, quantitatively and uniformly feed to a feeding summary belt, namely, feeding is carried out in a micro-continuous mode.
The quantitative feeding method is that a plurality of squares are divided on a feeding and gathering belt 107. As shown in fig. 6, the feeding and gathering belt 107 is divided into 5 zones, i.e., a first zone 1071, a second zone 1072, a third zone 1073, a fourth zone 1074, and a fifth zone 1075, which are separated by an identification line. If the feeding position corresponding to the sub-material a01 is the first area 1071, when the belt identification line of the first area 1071 enters the position right below the uniform feeding belt 106 of the feeding branch, the uniform feeding belt 106 starts feeding, and in the feeding process of the quantitative method, the speed of the feeding summarizing belt 107 is usually slow, and compared with the feeding of the dilution method, the quantitative feeding method needs to be performed by combining the number of the positions defined by the belts and the corresponding distribution principle. During feeding, the tobacco leaves on the uniform feeding belt conveyor 106 are fed to the feeding gathering belt 107 at one time. The quantitative feeding method is mainly suitable for the condition that the quantity of the sub-materials is small or the quantity difference between the sub-materials is large.
No matter the feeding is carried out by adopting a dilution method or a quantitative method, the conveying ratio and the flow of each link of the system are required to be accurately controlled, so that the strict execution of formula feeding is ensured.
The foregoing is directed to preferred embodiments of the present invention, wherein the preferred embodiments are not obviously contradictory or subject to any particular embodiment, and any combination of the preferred embodiments may be combined in any overlapping manner, and the specific parameters in the embodiments and examples are only for the purpose of clearly illustrating the inventor's invention verification process and are not intended to limit the scope of the invention, which is defined by the claims and the equivalent structural changes made by the description and drawings of the present invention are also intended to be included in the scope of the present invention.
Claims (10)
1. The fully-automatic digital re-baking feeding method is characterized by comprising the following steps:
s1, determining a baking plan, wherein the baking plan comprises feeding grades of raw materials and the proportion of various raw materials; the raw materials comprise various sub-materials with different effective components and position distribution, and the storage data of the sub-materials, including the chemical component content and the position distribution information of the sub-materials, is obtained;
s2, performing proportioning calculation on the sub-materials of various grades to obtain a formula matching scheme, wherein the constraint conditions are as follows: ensuring that the overall deviation of the chemical component mean values of the sub-materials with different grades in the formula and the corresponding chemical component mean values of the raw materials is minimum;
s3, according to the goods position information and the chemical composition information of the sub-material storage, the formula assembly scheme is selected to be decomposed into a plurality of small batch delivery units for delivery, the decomposition constraint needs to meet a first condition and a second condition, and the priority of the first condition is higher than that of the second condition;
the first condition is that: the material taking moving path of each sub-material is shortest in the warehouse-out process;
the second condition is that: the deviation between the chemical component mean value of each sub-material in each small-batch ex-warehouse unit and the corresponding chemical component mean value of the raw material is minimum;
s4, distributing the sub-materials of each small-batch delivery unit to each feeding port for box-turning feeding according to the specific parameters of the box-turning feeding end equipment, scattering the raw materials of different grades in the box-turning feeding process, and performing uniform flow control;
and S5, performing feedback control according to the case turning and feeding conditions, optimizing the stock preparation sequence of the next small batch, and summarizing each sub-material to be conveyed to the production link.
2. A fully automatic digital feeding method for redrying as claimed in claim 1, wherein in the process of ex-warehouse operation of step S3, the process of ex-warehouse is carried out by using an indoor positioning method.
3. A fully automatic digital feeding method for redrying as described in claim 1, wherein in step S3, the recipe formulation decomposition method includes but is not limited to single parameter control method and multi-parameter control method.
4. A fully automatic digital feeding method for redrying as claimed in claim 1, wherein in step S3, when the recipe formulation is decomposed and the amount of the sub-materials in the recipe is less than the total variety of the sub-materials in the warehouse, the sub-materials are selected from the outer layer to the inner layer according to the position of each sub-material.
5. The fully-automatic digital re-roasting feeding method according to claim 1, wherein the step S4 comprises calculating the number of feeding ports required for feeding each sub-material, wherein the calculation method is to calculate the number of feeding ports corresponding to the level according to the number of feeding ports and the ratio of each sub-material, and the calculation formula is as follows:
[n d ]=a*m ;
in the formula (2)n d ]Means that the rounding is carried out to round,athe proportion of the formula corresponding to the grade is shown,mindicating the total number of loading ports.
6. The fully-automatic digital feeding method for redrying as claimed in claim 1, wherein in step S4, the flow rate and speed of feeding branch is calculated by the formula:
v d =V*a/[n d ]in the formula, the chemical formula is shown in the specification,v d representing the flow rate of the feeding branch corresponding to the sub-material,Vand the target flow of the feeding and collecting belt for collecting all the feeding branch conveying sub-materials is shown.
7. The re-roasting full-automatic digital feeding method as claimed in claim 1, wherein the box-turning feeding in step S4 can be diluted feeding or quantitative feeding.
8. The redrying full-automatic digital feeding system is characterized by comprising an intelligent algorithm system, a warehouse-out material preparation execution system and a quantitative mixed-leaf feeding execution system which can be communicated with each other;
the intelligent algorithm system comprises a tobacco ex-warehouse stock preparation module, a homogenization collocation module and a matched decomposition feeding module;
the ex-warehouse stock preparation execution system comprises a transport tool and a box-turning and feeding execution system.
9. The re-baking full-automatic digital feeding system as claimed in claim 1, wherein the box-turning feeding execution system comprises a feeding collection belt, and an discharging conveyor belt and a plurality of feeding branches connected with the feeding collection belt, wherein the feeding branches comprise a tobacco frame feeding port, a conveyor roller way, a box-turning feeding machine, a feeding cache cabinet, a loose leaf climbing belt and a uniform feeding belt connected with the feeding collection belt which are connected in sequence.
10. The fully automatic digital redrying feeding system of claim 1, wherein the transport means is a forklift or an AGV.
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