CN113968471A - Tobacco sheet uniform mixing system and mixing method - Google Patents
Tobacco sheet uniform mixing system and mixing method Download PDFInfo
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- CN113968471A CN113968471A CN202010718191.0A CN202010718191A CN113968471A CN 113968471 A CN113968471 A CN 113968471A CN 202010718191 A CN202010718191 A CN 202010718191A CN 113968471 A CN113968471 A CN 113968471A
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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
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
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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
- 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
- B65G2203/04—Detection means
- B65G2203/042—Sensors
- B65G2203/044—Optical
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- Mechanical Engineering (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
本发明公开了一种烟片均匀混配系统和混配方法，在翻箱喂料机内部的喂料传送方向上固定设有至少三组检测烟片物料的位置传感器，其中两组位置传感器分别对应翻箱喂料机的喂料入口和喂料出口位置，限量管内部的落料方向上固定设有检测烟片物料在限量管内部堆积高度的料位传感器，过渡输送机的出料端以及铺料机的出料端分别固定设有检测烟片物料的位置传感器，所有位置传感器和料位传感器通过编程控制模块与系统对烟片物料进行传送的驱动模块反馈连接，在不影响烟片混配生产效率的前提下，可将每一箱叶组配方等级烟片在混叶柜长度内整条铺料，混叶柜任意横截面上，其烟片的等级组成和重量搭配基本一致，实现不同等级烟片之间最大程度的混合效果。
The invention discloses a uniform mixing system and a mixing method for cigarette flakes. At least three sets of position sensors for detecting cigarette flake materials are fixedly arranged in the feeding and conveying direction inside a box-turning feeder, wherein the two sets of position sensors are respectively Corresponding to the feeding inlet and feeding outlet of the turning feeder, a material level sensor for detecting the stacking height of tobacco flakes in the limiting tube is fixed in the blanking direction inside the limiting tube, and the discharge end of the transition conveyor and The discharge end of the spreader is fixed with a position sensor for detecting the tobacco sheet material. All position sensors and material level sensors are connected to the drive module that transmits the tobacco sheet material through the programming control module. Under the premise of matching production efficiency, each box of leaf group formula grade tobacco sheets can be spread throughout the length of the mixing cabinet. The grade composition and weight of the tobacco sheets on any cross-section of the mixing cabinet are basically the same to achieve Maximum blending effect between different grades of tobacco.
Description
Technical Field
The invention belongs to tobacco production equipment, and particularly relates to a tobacco flake uniform blending system and a tobacco flake uniform blending method.
Background
The blending uniformity of the tobacco flakes of the tobacco shred production line is one of the important factors influencing the stable sensory quality of the cigarette products. After the pretreatment processing of the tobacco flakes, whether the grade tobacco flakes are uniformly mixed according to the proportion in the processing process is an important guarantee for the stability of the processing quality of tobacco flake materials.
At present, a tobacco flake mixing and storing system which is popular at home and abroad consists of a box-turning feeder, a box-turning feeding bin, a blanking pipe, a belt conveyor and a reciprocating paver, wherein in the tobacco flake paving and mixing process, the box-turning feeder sequentially turns tobacco boxes filled with grade tobacco flakes from a grade tobacco storage bin into the box-turning feeding bin, the tobacco flakes slide to the belt conveyor through the blanking pipe after being discharged from the box-turning feeding bin and then are conveyed to the reciprocating paver, and under the mutual matching of the reciprocating paver and a storage cabinet paver, the transverse distribution of the tobacco flakes of different grades in a tobacco flake mixing bin is realized, and a certain mixing effect is achieved.
Under the form, the single-grade tobacco flakes in each tobacco leaf group formula are randomly and disorderly laid into the mixed tobacco leaf cabinet one by one, the laying sizes of the single-grade tobacco flakes on the conveying belt are not completely the same, the same-grade tobacco flakes cannot be accurately arranged into the mixed tobacco leaf cabinet along with the continuous conveying of the conveyor, the single-grade tobacco flakes in the mixed tobacco leaf cabinet cannot be uniformly laid in the whole cabinet, and along with the continuous operation of mixing multiple grades of tobacco flakes, the deviation among the tobacco flakes distributed in the mixed tobacco leaf cabinet can be continuously superposed and amplified, so that the composition grade number of the tobacco flakes on any cross section is inconsistent when the mixed tobacco leaf cabinet discharges materials, and the uniformity mixing is seriously influenced.
Therefore, when the grade tobacco flakes are turned over and mixed into the cabinet, the key for solving the problem of stable processing quality of tobacco flake materials is to fully ensure the mixing uniformity among all grade tobacco flakes in each leaf group formula.
Disclosure of Invention
The technical problem solved by the invention is as follows: aiming at the problem of uneven mixing of the existing tobacco flake mixing and storing system, an improved tobacco flake even mixing system and a mixing method are provided.
The invention is realized by adopting the following technical scheme:
the tobacco flake uniform mixing system comprises a box-turning feeder, a limiting pipe, a transition conveyor, a spreading machine and a plurality of tobacco flake mixing cabinets, wherein a feeding outlet of the box-turning feeder is fixedly butted with the limiting pipe, a conveying plane of the transition conveyor is positioned below a blanking port of the limiting pipe, the spreading machine is in conveying butt joint with the transition conveyor and distributes and conveys tobacco flake materials to each tobacco flake mixing cabinet, at least three groups of position sensors for detecting the tobacco flake materials are fixedly arranged in the feeding conveying direction in the box-turning feeder, and two groups of position sensors respectively correspond to the positions of a feeding inlet and a feeding outlet of the box-turning feeder;
a material level sensor for detecting the stacking height of the tobacco flake materials in the limiting tube is fixedly arranged in the blanking direction in the limiting tube;
the discharge end of the transition conveyor and the discharge end of the spreading machine are respectively and fixedly provided with a position sensor for detecting the tobacco flake material,
all the position sensors and the material level sensors are connected with a driving module for conveying the tobacco flake materials by the system through a programming control module in a feedback mode.
In the uniform mixing system for the tobacco flakes, the upper position and the lower position of the material level sensor in the quantity limiting pipe are respectively provided with a position sensor for detecting the tobacco flake materials in the quantity limiting pipe.
In the tobacco flake uniform mixing system adopting the scheme, the transition conveyor adopts a horizontal belt conveyor, and a conveying belt horizontally arranged and a bottom blanking port of the limiting tube reserve a gap for conveying and discharging.
In the even blending system of smoked sheet of above-mentioned scheme, the spreading machine includes reciprocating type spreading machine and removes butt joint locker spreading machine at reciprocating type spreading machine's discharge end, reciprocating type spreading machine's discharge end sets up the position sensor who detects the smoked sheet material.
In the uniform mixing system for the tobacco flakes, the position sensors are all reflection-type photoelectric sensors; the material level sensor adopts a grating sensor.
The invention further discloses a tobacco flake uniform blending method of the tobacco flake uniform blending system, which comprises the following specific steps:
before mixing, the spreading machine finishes searching the cabinet and stops at the position of an initial leaf mixing cabinet, and all conveyor belts for conveying the tobacco flake materials of the system stop running and are in a standby state;
mixing and preparing materials, namely starting a box-turning feeding machine, and sequentially feeding the tobacco flake materials of all levels in the formula into the box-turning feeding machine at intervals to form a plurality of separated tobacco flake material piles;
the mixing is started, the box-turning feeder continuously transmits, the stack of the tobacco flake materials which are fed at the beginning are fed into the limiting tube through the feeding outlet of the box-turning feeder, and is stacked on a static transition conveyor in the limiting tube, the discharging height is detected by a material level sensor in the limiting tube, then the transition conveyor and the spreading machine are controlled by feedback to start, the tobacco flake materials in the limiting pipe are conveyed to the spreading machine through the transition conveyor, spreading the tobacco leaf mixing cabinet, detecting that all tobacco leaf material piles which are fed at the beginning are output from a feeding outlet of the box-turning feeding machine by the feeding of the box-turning feeding machine in the process, the transmission of the box turnover feeding machine is suspended, the spreading machine completes the reciprocating and uniform spreading of the tobacco flake materials of the grade in the leaf mixing cabinet, so as to complete the spreading and distribution of the tobacco flake materials of the same grade in the leaf mixing cabinet, and the box turnover conveyor is started again to sequentially and sectionally mix the residual tobacco flake materials into the mixed tobacco leaf cabinet.
In the tobacco flake uniform mixing method of the scheme, in the mixing and preparing process, the box turning and feeding interval process of tobacco flake materials with different grades is as follows:
the feeding device comprises a box-turning feeding machine, a photoelectric sensor, a feeding inlet, a feeding outlet, a feeding bottom belt, a feeding inlet, a feeding bottom belt, a feeding inlet, a feeding outlet, a feeding inlet, a feeding outlet, a box and a box-turning feeding inlet, a feeding outlet, a feeding inlet and a feeding outlet, a feeding inlet and a feeding outlet.
In the uniform tobacco flake mixing method in the scheme, in the mixing process, after the position sensor at the discharge end of the transition conveyor detects the tail of the material conveyed by the previous tobacco flake material on the transition conveyor, the transition conveyor is controlled by feedback to stop, and the box-turning feeding machine is started to feed the next tobacco flake material into the limiting pipe.
In the uniform mixing method of the tobacco flakes, in the mixing process, the position sensor at the discharge end of the transition conveyor detects the material tail of the previous tobacco flake material, and the position sensors above and below the material level sensor in the limiting tube still detect the tobacco flake material, so that feedback control is performed to send out a material blocking alarm in the limiting tube and stop the system.
In the uniform mixing method for the tobacco flakes, in the mixing process, the position sensor at the feeding outlet of the box-turning feeder judges that the tobacco flakes are all output from the feeding outlet of the box-turning feeder by detecting the tail of the tobacco flake material pile.
According to the invention, a plurality of groups of photoelectric sensors are arranged in the box-turning feeding bin to detect the stack of multi-grade tobacco flake materials in the box-turning feeding machine, and the start and stop of the bottom belt of the box-turning feeding bin are controlled at the interval time of material pouring of the box-turning through logic signals among the photoelectric sensors, so that the spatial isolation between the front and rear adjacent grades of tobacco flake materials in the feeding bin can be realized. A photoelectric sensor is arranged at a feeding outlet of the box-turning feeding bin, and the frequency conversion speed regulation of a conveying bottom belt of the box-turning feeding bin is combined, so that the rapid discharging of the stub bar and the stub bar of the tobacco flake material pile is realized. The limiting pipe and the transition conveyor are combined to form a simple quantitative belt effect, the spreading machine which is in butt joint with the transition conveyor is strictly guaranteed to only enable tobacco flake materials of one grade to enter the spreading machine to be spread in the process of finishing one-time back and forth spreading of all mixed tobacco leaf cabinets, the irregular condition that the stub bars and the tails of two adjacent boxes of grade tobacco flakes are easily mixed and spread simultaneously is eliminated, and the thickness of subsequent spreading is basically consistent. The starting time and the ending time of each box of grade tobacco flakes are judged by detecting the existence of material at the material head and the absence of material at the material tail, and the material spreading speed of the material spreading machine is controlled in a feedback mode to cooperate with each other to realize the uniform distribution of the whole tobacco flakes on the same layer in the leaf mixing cabinet.
By adopting the grade tobacco flake mixing system and the mixing method of the technical scheme, on the premise of not influencing the production efficiency of tobacco flake mixing, the whole tobacco flakes of each box leaf group formula grade can be laid in the length of the tobacco flake mixing cabinet, the grade composition and the weight matching of the tobacco flakes are basically consistent on any cross section of the tobacco flake mixing cabinet, the maximum mixing effect among the tobacco flakes of different grades is realized, and the invention can be reformed in the existing tobacco flake mixing system, has small reforming amount, reliable and stable operation, convenient installation and adjustment and strong applicability.
The invention is further described with reference to the following figures and detailed description.
Drawings
FIG. 1 is a schematic front view of a tobacco flake uniform blending system in an embodiment.
FIG. 2 is a schematic side view of the system for uniformly blending tobacco flakes in an embodiment.
Fig. 3 is a schematic distribution diagram of each sensor in the tobacco flake uniform mixing system in the embodiment, and a schematic flow of material spreading for one of the leaf mixing cabinets is shown in the diagram.
Reference numbers in the figures: the system comprises a 1-box turnover feeder, a 2-limiting tube, a 3-transition conveyor, a 4-reciprocating type spreading machine, a 5-storage cabinet spreading machine, a 6-leaf mixing cabinet, a 7-B1 photoelectric sensor, an 8-B2 photoelectric sensor, a 9-B3 photoelectric sensor, a 10-B4 photoelectric sensor, a 11-B5 photoelectric sensor, a 12-B6 photoelectric sensor, a 13-B7 photoelectric sensor, a 14-G1 grating detector, a 15-B8 photoelectric sensor, a 16-B9 photoelectric sensor and a 17-B10 photoelectric sensor.
Detailed Description
Examples
Referring to fig. 1 and 2, the tobacco flake uniform blending system in the figure comprises a box-turning feeder 1, a limiting pipe 2, a transition conveyor 3, a reciprocating type spreading machine 4, a storage cabinet spreading machine 5 and a plurality of tobacco flake mixing cabinets 6, wherein a feeding outlet of the box-turning feeder 1 is fixedly butted with the limiting pipe 2, a conveying plane of the transition conveyor 3 is positioned below a blanking port of the limiting pipe 2, multi-grade tobacco flakes in a formula are subjected to box-turning feeding through the box-turning feeder 1 and then conveyed to the limiting pipe 2, the multi-grade tobacco flakes are blanked onto the transition conveyor 3 through the limiting pipe 2, the tobacco flake materials are conveyed onto a spreading machine consisting of the reciprocating type spreading machine 4 and the storage cabinet spreading machine 5 through the transition conveyor 3, the reciprocating type spreading machine 4 receives the tobacco flake materials conveyed by the transition conveyor 3, and then the tobacco flake materials are sequentially subjected to reciprocating tiling inside the tobacco flake mixing cabinets 6 through the movable cabinet storage cabinet spreading machine 5.
The tobacco flake materials enter the inside of the box-turning feeder 1 through the turning box and are stacked on a conveying bottom belt inside the box-turning feeder 1 to form a stack body, and in the embodiment, referring to fig. 3 in combination, a B1 photoelectric sensor 7, a B2 photoelectric sensor 8, a B3 photoelectric sensor 9, a B4 photoelectric sensor 10 and a B5 photoelectric sensor 11 are arranged inside the box-turning feeder 1 and are used as position sensors for detecting the tobacco flake material stack body entering the inside of the box-turning feeder, and all the photoelectric sensors inside the box-turning feeder 1 are arranged along the feeding conveying direction. According to the size of the stack of the tobacco flake materials on the conveying bottom belt of the box turnover feeding machine, one group of position sensors for detecting the size of the stack of the tobacco flake materials can be an independent pair of photoelectric sensors or two pairs of combined photoelectric sensors, in this embodiment, the B1 photosensor 7 and the B2 photosensor 8 are a set of position sensors located at the feeding inlet of the box-turnover feeder 1, used for detecting the position signal of the tobacco flake material which is just turned over and enters the turn-over feeder 1, a B3 photoelectric sensor 9 and a B4 photoelectric sensor 10 are a group of position sensors which are positioned in the middle area of the turn-over feeder, for the tobacco material position signal to be transmitted to the intermediate zone, the B5 photosensor 11 is a set of position sensors located at the feed outlet, the device is used for detecting a material tail signal after all tobacco sheet material piles in the box-turning feeder 1 are conveyed into the limiting tube 2.
A transverse bracket is arranged on the side surface of the box turnover feeder 1 along the conveying direction, and a B1 photoelectric sensor 7, a B2 photoelectric sensor 8, a B3 photoelectric sensor 9, a B4 photoelectric sensor 10 and a B5 photoelectric sensor 11 are clamped and arranged on the bracket by bolts.
The limiting tube 2 adopts a chute structure, the transition conveyor 3 adopts a horizontal belt conveyor, a conveying belt and a bottom blanking port of the limiting tube 2 are horizontally arranged to keep a gap for conveying and discharging materials, tobacco flake materials entering the limiting tube 2 are accumulated on the horizontal belt of the transition conveyor 3 from the blanking port, when the transition conveyor 3 is in a static state, the tobacco flake materials are accumulated in the limiting tube 2 in a limiting mode, a material level sensor for detecting the accumulation height of the tobacco flake materials in the limiting tube is fixedly arranged in the blanking direction in the limiting tube 2, a G1 grating sensor 14 is adopted as a material level sensor in the embodiment, and a B7 photoelectric sensor 13 and a B6 photoelectric sensor 12 are further respectively arranged at the upper position and the lower position of the material level sensor in the limiting tube 2 and serve as position sensors for detecting the tobacco flake materials in the limiting tube.
The side of the limiting tube 2 is provided with a transverse bracket, and the B6 photoelectric detector 12, the B7 photoelectric detector 13 and the G1 grating detector 14 are clamped and arranged on the bracket by bolts.
The discharge end of transition conveyer 3 is fixed with B8 photoelectric detector 5 and is regarded as the position sensor who detects stub bar and the material tail signal of smoked sheet material conveying on transition conveyer, installs horizontal support at the discharge end of transition conveyer 3, adopts the bolt to press from both sides B8 photoelectric detector 15 and tightly installs on the support.
The spreading machine in this embodiment includes reciprocating spreading machine 4 and moves butt joint locker spreading machine 5 at two discharge ends of reciprocating spreading machine 4, and locker spreading machine 5 tiles the spreading material to the inside of leaf mixing cabinet 6 through removing, and the concrete structure and the working method about reciprocating spreading machine and locker spreading machine are the same with current tobacco flake mixing system, and this embodiment is not repeated herein. Wherein, reciprocating type spreading machine 4 adopts two discharge ends to realize the comprehensive spreading material when a plurality of leaf cabinets that mix arrange, sets up B9 photoelectric detector 16 respectively, B10 photoelectric detector 17 as setting up the position sensor who detects stub bar and the material tail signal that the tabacco barn material conveys from two discharge ends.
The "head signal" detected by the position sensors on the transition conveyor 3 and the reciprocating spreader 4 means that the photoelectric sensor detects that the position signal of the conveyed tobacco flake material is from absent to present, i.e. the tobacco flake material starts to convey past the position photoelectric sensor, and the "tail signal" means that the photoelectric sensor detects that the position signal of the conveyed tobacco flake material is from present to absent, i.e. the tobacco flake material has completely conveyed past the position sensor. All position sensors and material level sensors in the system are connected with a driving module of the system for conveying tobacco flake materials through a programming control module in a feedback mode, wherein the position sensor feedback signals in the box turning feeder 1 control the starting and stopping of the driving module of the box turning feeder, the material level sensor feedback signals in the limiting pipe 2 control the starting and stopping of the driving modules of the transition conveyor 3 and the reciprocating spreading machine 4, the position sensor feedback signals on the transition conveyor 3 control the starting and stopping of the driving modules of the transition conveyor 3 and the box turning feeder 1, the position sensor feedback signals on the reciprocating spreading machine 4 control the feedback connection of the conveying driving modules of the reciprocating spreading machine 4 and the storage cabinet spreading machine 5, and the conveying driving module is a driving motor of each conveying belt. The hardware connection of the photoelectric sensor for controlling the motor action through the feedback of the programmable controller belongs to the conventional automatic control technology, such as the programmable controller PLC.
The following describes a mixing method of the tobacco flake uniform mixing system of the present embodiment.
Before mixing, the cabinet searching and stopping of the storage cabinet spreading machine 5 at the position of the initial mixing blade cabinet are completed, all conveyor belts for conveying tobacco flake materials of the system stop running, and the motor stops running and is in a standby state;
firstly, mixing and preparing materials, and sequentially turning and feeding the tobacco flake materials of all levels in the formula into the box-turning feeder at intervals by starting the box-turning feeder 1 to form a plurality of separated tobacco flake material piles. The box turning and feeding interval process of the tobacco flake materials with different grades is as follows:
the method comprises the steps that a first fed tobacco flake material pile is detected through a photoelectric sensor at a feeding inlet inside a box turning feeding machine 1, a conveying bottom belt of the box turning feeding machine 1 is conveyed forwards in a feedback control mode, after the first fed tobacco flake material pile is detected through a photoelectric sensor at the middle area inside the box turning feeding machine 1, conveying of the box turning feeding machine 1 is suspended, then tobacco flake materials of a second box are turned over and fed into a feeding inlet of the box turning feeding machine 1, after the second fed tobacco flake material pile is detected through the photoelectric sensor at the feeding inlet, the box turning feeding machine 1 is started again until the tobacco flake material piles are detected in other areas except for a feeding outlet inside the box turning feeding machine, and mixing and material preparation are completed.
The mixing starts, the box-turning feeder 1 continuously transmits, a stack of tobacco flake materials which are fed at the beginning are sent into the limiting tube 2 through a feeding outlet of the box-turning feeder 1, and are stacked on the static transition conveyor 3 in the limiting tube 2, the discharging height is detected through a material level sensor in the limiting tube 2, then the transition conveyor 3 and the spreading machine are controlled by feedback to start, the tobacco flake materials in the limiting tube 2 are transmitted to the spreading machine through the transition conveyor 3, the interior of the leaf-mixing cabinet is moved, tiled and spread, in the process, the box-turning feeder 1 stops transmitting after detecting that all the stacks of the tobacco flake materials which are fed at the beginning are output to the limiting tube 2 from the feeding outlet of the box-turning feeder, the spreading machine completes all tiled and spread of the tobacco flake materials at the level in the leaf-mixing cabinet, and the distribution of the tobacco flake materials at the level in the leaf-mixing cabinet is completed, the turnover conveyor 1 is started again to sequentially and sectionally mix the tobacco flake materials of all levels into the mixed leaf cabinet, so that the tobacco flake materials of the same level are conveyed by the storage cabinet spreading machine in the process of moving, spreading and spreading the mixed leaf cabinet.
In the mixing process, whether all the tobacco flake materials are output from the feeding outlet of the box-turning feeder is judged through the combination of the position sensor at the feeding outlet of the box-turning feeder 1 and the position sensor in front of the tobacco flake material stack body.
In the mixing process, after a position sensor at the discharge end of the transition conveyor 3 detects a material tail signal transmitted by the previous tobacco flake material on the transition conveyor 3, the transition conveyor 3 is controlled by feedback to stop, and the box-turning feeder 1 is started to feed the next tobacco flake material into the limiting tube 2 for standby.
In the mixing process, when the position sensor at the discharge end of the transition conveyor 3 detects a material tail signal of a previous tobacco flake material, if the position sensors above and below the material level sensor in the limiting tube 2 still detect the tobacco flake material, the tobacco flake material in the limiting tube 2 is considered to be blocked, and the feedback control sends out an alarm signal of the blocking in the limiting tube and stops the system to remind an operator to process the tobacco flake material.
The start time and the end time of each box of grade smoked sheets are judged by detecting the material existence of the stub bar and the material absence of the tail of the smoked sheet material of the same grade through the box-turning feeding machine 1, the transition conveyor 3 and the discharging position of the spreading machine. In the normal material spreading operation process, because the time from the material head to the material tail is basically fixed, the vertical floating error is small, the length of the material storage cabinet is fixed, the operation speed of the material storage cabinet spreading machine is fixed, the speed of the reciprocating type spreading machine is fixed, the weight of single-box tobacco leaves is fixed, the required tobacco leaf flow kg/s in the time for completing one-time material spreading of the material storage cabinet spreading machine can be calculated, the speed of a horizontal belt can be controlled in a variable speed mode through the tobacco leaf flow, and the purpose of uniformly spreading the whole number of material strips is achieved. When the spreading shape of tobacco leaf materials in the box-turning feeder 1 is irregular, the change of the time of the materials from a material head to a material tail can be completed, in the material tail stage, the normal time from the material head to the material tail is subtracted from the change time, the change time is calculated, the height of the residual materials is detected according to a material level sensor in a limiting pipe, the belt conveying speed of the transition conveyor is adjusted and controlled, when the time is shortened, the belt speeds up in proportion, when the time is prolonged, the horizontal belt decelerates in proportion, and finally the purpose that the tobacco leaf materials are uniformly spread in a whole cabinet is achieved.
With reference to fig. 3, the specific mixing flow for mixing and spreading the material in one of the leaf mixing cabinets of this embodiment is as follows:
at the beginning of starting operation, each device enters a standby state (the device does not operate), the reciprocating spreading machine 4 finishes searching the cabinet, the storage cabinet spreading machine 5 stops at the initial position, and the conveyor belt of the storage cabinet spreading machine stops operating.
First case tobacco flake material turns over case and gets into turn over case feeder 1, B1 photoelectric sensor 7 and B2 photoelectric sensor 8 sense the tobacco flake material pile, turn over case feeder 1 and get into the state of prepareeing material, start the conveying bottom tape and move ahead, carry first case tobacco flake material pile to B3 photoelectric sensor 9 and B4 photoelectric sensor 10 department, feedback control turns over case feeder 1 standby this moment, at this moment, second case tobacco flake material turns over the case and gets into turn over case feeder 1, the tobacco flake material of two inside grades of case feeder 1 turns over and forms two independent piles on the conveying bottom tape, the completion of prepareeing material.
When the mixing production starts, a first box tobacco sheet material stack prepared in the box turning feeder 1 is gradually conveyed into the limiting tube 2 through a feeding outlet, the transition conveyor 3 is in a standby static state at the moment, materials are stacked in the limiting tube 2, the stacking height is detected by the G1 grating detector 14, when the stacking height of the tobacco sheet materials reaches the discharging height, the reciprocating type spreading machine 4 and the transition conveyor 3 are controlled to be started, the tobacco sheet materials in the limiting tube 2 are conveyed to the storage cabinet spreading machine 5 along the conveying belts of the transition conveyor 3 and the reciprocating type spreading machine 4, the reciprocating type spreading machine 4 firstly discharges from the discharging end on the right side, and after a B10 photoelectric sensor 17 of the discharging end detects a stub bar signal, the storage cabinet spreading machine 5 is started to spread the materials into the mixing blade cabinet.
After the transitional conveyor 3 is started, the height of the materials in the limiting tube 2 is reduced, the first box tobacco sheet material stack in the box-turning feeder 1 continuously replenishes the materials into the limiting tube 2, and the materials are detected by the B3 photoelectric sensor 9 and the B4 photoelectric sensor 10 at the front detection position of the first box tobacco sheet material stack and the B5 photoelectric sensor 11 at the feeding outlet to be combined, when the B5 photoelectric sensor 11 has a signal and the B3, the B4 photoelectric sensors 9 and 10 do not have signals, the tail material discharging stage is the tail material discharging stage, only the B5 photoelectric sensor 11 has a signal, and when the signals are from the presence to the absence, the tail material discharging finishing stage is the box-turning feeder 1 is controlled to stop conveying after the first box tobacco sheet materials are judged to completely leave the box-turning feeder 1 from the blanking outlet. At this point, the second stack of box tobacco pieces has left the detection positions of the B1 photosensor 7 and the B2 photosensor 8 to reach the detection positions of the B3 photosensor 9 and the B4 photosensor 10, and the feed inlet of the box-tipping feeder 1 can receive the tipping of the third box of material.
After the first box of materials completely enters the limiting tube 2, along with the continuous operation of the material spreading of the storage cabinet, the height of the materials in the limiting tube 2 is gradually reduced and completely emptied, and after a material tail signal of the box of tobacco sheet materials on the transition conveyor 3 is detected by the B8 photoelectric sensor 15, the transition conveyor 3 is controlled to stand still. And after the transition conveyor 3 is static, controlling the box-turning feeder 1 to feed a second box tobacco sheet material stack body into the limiting tube 2 from the feeding outlet to stack the materials for later use.
At this time, the first box of tobacco sheet materials is discharged from the right discharging end on the reciprocating spreader 4, and after a tailing signal is detected by the B10 photoelectric sensor 17, spreading of the first box of tobacco sheet materials is completed. At this time, the locker spreader 5 is controlled to move to the initial position. From the start to this moment, the storage cabinet spreading machine 5 just completes a back-and-forth spreading inside the leaf mixing cabinet, and completes the spreading of the first box of tobacco leaf materials in the leaf mixing cabinet.
The storage cabinet spreading machine 5 stands by after reaching the initial position, the reciprocating type spreading machine is moved for 4 inches to change the channel, the transition conveyor 3 is started at the same time, a second box of tobacco flake materials in the limiting tube 2 are conveyed to the reciprocating type spreading machine 4 through the transition conveyor 3, after the materials detect a stub bar signal through a B10 photoelectric sensor 17 on the discharge end of the reciprocating type spreading machine 4, the storage cabinet spreading machine 5 is started to move, the second box of tobacco flake materials are distributed in the leaf mixing cabinet, and the spreading process is repeated until all the tobacco flake materials in the formula are produced.
The foregoing embodiments illustrate the principles and features of the present invention and their advantages, and it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the specific principles of operation of the present invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (10)
1. Evenly thoughtlessly join in marriage system of smoked sheet, including turning over case feeding machine, limit buret, transition conveyer, paver and a plurality of leaf cabinet that mixes, the fixed butt joint of feed export and the limit buret of turning over case feeding machine, the transport plane of transition conveyer is located limit buret's blanking mouth below, paver and transition conveyer conveying butt joint carry the smoked sheet material distribution to each leaf cabinet that mixes, its characterized in that:
at least three groups of position sensors for detecting tobacco flake materials are fixedly arranged in the box-turning feeding machine in the feeding conveying direction, wherein the two groups of position sensors respectively correspond to the feeding inlet and the feeding outlet of the box-turning feeding machine;
a material level sensor for detecting the stacking height of the tobacco flake materials in the limiting tube is fixedly arranged in the blanking direction in the limiting tube;
the discharge end of the transition conveyor and the discharge end of the spreading machine are respectively and fixedly provided with a position sensor for detecting the tobacco flake material,
the position sensor and the material level sensor are connected with a driving module for conveying the tobacco flake materials by the system through a programming control module in a feedback mode.
2. The system for evenly blending smoked sheets as claimed in claim 1, wherein the upper and lower positions of the material level sensor inside the quantity-limiting pipe are respectively provided with a position sensor for detecting the smoked sheet material inside the quantity-limiting pipe.
3. The system for evenly mixing and blending tobacco flakes according to claim 2, wherein the transition conveyor is a horizontal belt conveyor, and a gap for conveying and discharging materials is reserved between a conveying belt horizontally arranged and a bottom material dropping port of the limiting tube.
4. The system for evenly blending tobacco flakes according to claim 1, wherein the spreader includes a reciprocating spreader and a butt-joint bin spreader moving at a discharge end of the reciprocating spreader, the discharge end of the reciprocating spreader being provided with a position sensor for detecting the tobacco flake material.
5. The tobacco flake uniform blending system according to any one of claims 1-4, the position sensors each employing a reflective photoelectric sensor; the material level sensor adopts a grating sensor.
6. The method for evenly mixing the tobacco flakes is characterized by comprising the following steps: the tobacco flake uniform mixing system of claims 1-5 is adopted, and comprises the following specific steps:
before mixing, the spreading machine finishes searching the cabinet and stops at the position of an initial leaf mixing cabinet, and all conveyor belts for conveying the tobacco flake materials of the system stop running and are in a standby state;
mixing and preparing materials, namely starting a box-turning feeding machine, and sequentially feeding the tobacco flake materials of all levels in the formula into the box-turning feeding machine at intervals to form a plurality of separated tobacco flake material piles;
the mixing is started, the box-turning feeder continuously transmits, the stack of the tobacco flake materials which are fed at the beginning are fed into the limiting tube through the feeding outlet of the box-turning feeder, and is stacked on a static transition conveyor in the limiting tube, the discharging height is detected by a material level sensor in the limiting tube, then the transition conveyor and the spreading machine are controlled by feedback to start, the tobacco flake materials in the limiting pipe are conveyed to the spreading machine through the transition conveyor, spreading the tobacco leaf mixing cabinet, detecting that all tobacco leaf material piles which are fed at the beginning are output from a feeding outlet of the box-turning feeding machine by the feeding of the box-turning feeding machine in the process, the transmission of the box turnover feeding machine is suspended, the spreading machine completes the reciprocating and uniform spreading of the tobacco flake materials of the grade in the leaf mixing cabinet, so as to complete the spreading and distribution of the tobacco flake materials of the same grade in the leaf mixing cabinet, and the box turnover conveyor is started again to sequentially and sectionally mix the residual tobacco flake materials into the mixed tobacco leaf cabinet.
7. The method of uniformly blending tobacco flakes according to claim 6, wherein in the blending stock, the box-turning feeding interval process of tobacco flakes of different grades is as follows:
the feeding device comprises a box-turning feeding machine, a photoelectric sensor, a feeding inlet, a feeding outlet, a feeding bottom belt, a feeding inlet, a feeding bottom belt, a feeding inlet, a feeding outlet, a feeding inlet, a feeding outlet, a box and a box-turning feeding inlet, a feeding outlet, a feeding inlet and a feeding outlet, a feeding inlet and a feeding outlet.
8. The method for evenly blending tobacco flakes according to claim 6, wherein in the blending process, after the position sensor at the discharge end of the transition conveyor detects the tail of the tobacco flake material conveyed on the transition conveyor, the transition conveyor is controlled by feedback to stop, and the box-turning feeder is started to feed the next tobacco flake material into the limiting pipe.
9. The method for evenly mixing smoked sheets according to claim 8, wherein in the mixing process, when the position sensor at the discharge end of the transition conveyor detects the tail of the previous smoked sheet material, and the position sensors above and below the material level sensor in the quantity-limiting pipe still detect the smoked sheet material, the feedback control sends out a material blockage alarm in the quantity-limiting pipe and stops the system.
10. The method for evenly mixing tobacco flakes according to claim 6, wherein during the mixing process, the position sensor at the feeding outlet of the box-turning feeder judges that the tobacco flakes are completely output from the feeding outlet of the box-turning feeder by detecting the tail of the tobacco flakes stack.
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| CN113968471B (en) | 2024-09-13 |
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