CN115246586A - Storage cabinet discharging method and device - Google Patents
Storage cabinet discharging method and device Download PDFInfo
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- CN115246586A CN115246586A CN202110447749.0A CN202110447749A CN115246586A CN 115246586 A CN115246586 A CN 115246586A CN 202110447749 A CN202110447749 A CN 202110447749A CN 115246586 A CN115246586 A CN 115246586A
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- 238000003860 storage Methods 0.000 title claims abstract description 65
- 238000007599 discharging Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 98
- 238000011217 control strategy Methods 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims description 35
- 230000005540 biological transmission Effects 0.000 claims description 33
- 239000002184 metal Substances 0.000 claims description 32
- 230000008859 change Effects 0.000 claims description 5
- 238000010079 rubber tapping Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 6
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 230000001965 increasing effect Effects 0.000 description 11
- 241000208125 Nicotiana Species 0.000 description 7
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/42—Devices for emptying otherwise than from the top using belt or chain conveyors
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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
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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
- B65G23/02—Belt- or chain-engaging elements
- B65G23/04—Drums, rollers, or wheels
-
- 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
-
- 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
-
- 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
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/48—Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems
- B65G65/4881—Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems rotating about a substantially horizontal axis
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Conveyors (AREA)
Abstract
The invention discloses a storage cabinet discharging method, which comprises the following steps: obtaining the residual percentage of the materials in the storage cabinet; determining a control strategy according to the remaining percentage; and adjusting the conveying speed of the material according to a control strategy. The invention can solve the problems of insufficient feeding, feeding interruption and long feeding waiting time in the tail material discharging process of the conventional storage cabinet, thereby improving the working efficiency and enhancing the product quality stability. The invention also discloses a storage cabinet discharging device.
Description
Technical Field
The invention relates to the technical field of tobacco processing devices, in particular to a storage cabinet discharging method and device.
Background
On the tobacco shred shredding production line, the storage cabinet is used for storing tobacco materials, and the bottom of the storage cabinet is generally provided with a conveying device for conveying the tobacco materials so as to complete feeding and discharging of the tobacco materials. The outlet of the storage cabinet is also provided with a poking roller for loosening the tobacco material.
Because the thickness of the tail material of the cigarette is thin under the influence of gravity, the problems of insufficient feeding, feeding interruption, long feeding waiting time and the like are caused to a downstream machine when the tail material is discharged, and the working efficiency and the product quality stability are seriously influenced.
Disclosure of Invention
The invention aims to solve the problems of insufficient feeding, feeding interruption and long feeding waiting time of a downstream machine in the tail discharging process of the conventional storage cabinet. The invention provides a storage cabinet discharging method and a storage cabinet discharging device, which can solve the problems, thereby improving the working efficiency and enhancing the product quality stability.
In order to solve the technical problem, the embodiment of the invention discloses a storage cabinet discharging method, which comprises the following steps:
obtaining the residual percentage of the materials in the storage cabinet;
determining a control strategy according to the remaining percentage;
and adjusting the conveying speed of the material according to the control strategy.
By adopting the technical scheme, the conveying speed of the material is adjusted by detecting the residual percentage of the material in the storage cabinet, and the conveying speed of the tailing can be improved, so that the problems of insufficient feeding, feeding interruption and long feeding waiting time of a downstream machine in the process of tailing discharging of the existing storage cabinet are solved, the working efficiency is effectively improved, and the stability of the product quality is enhanced.
Optionally, determining the control strategy according to the remaining percentage includes:
and judging whether the value of the residual percentage reaches a preset value, if so, controlling the strategy to change the conveying speed of the material from a first speed to a second speed, wherein the second speed is greater than the first speed.
Optionally, adjusting the conveying speed of the material according to the control strategy comprises:
if the control strategy is to change the conveying speed of the material from a first speed to a second speed, the frequency of the motor for conveying the material is changed from a first frequency to a second frequency under the control of the control system, and the second frequency is greater than the first frequency.
By adopting the technical scheme, the conveying speed of the material is adjusted by adjusting the frequency of the motor, so that the speed can be adjusted more quickly and accurately.
Optionally, the first frequency is 25-35Hz and the second frequency is 50Hz.
Optionally, obtaining the remaining percentage of material in the bin comprises:
acquiring an actual stroke of the material operation;
calculating a stroke difference value between a total stroke and an actual stroke of the material to be operated;
and calculating the ratio of the stroke difference to the total stroke, namely the residual percentage.
Optionally, obtaining the remaining percentage of the material in the bin comprises:
detecting metal blocks on a detection disc arranged on a transmission shaft of the conveying device through a sensor, sending a pulse to a control system after the sensor detects each metal block, receiving the pulse output by the sensor by the control system, and calculating the frequency of the received pulse as an actual pulse value;
the control system calculates a pulse difference value between a preset pulse value and an actual pulse value, wherein the preset pulse value is a total pulse value measured by the sensor after the materials are completely output;
and the control system calculates the ratio of the pulse difference value to a preset pulse value, namely the residual percentage.
By adopting the technical scheme, the residual percentage of the materials in the storage cabinet is obtained by detecting the pulse number, the accuracy of the detected residual percentage can be improved, the structure of a detection control system can be simplified, and the installation space and the cost are saved.
Optionally, the metal blocks are uniformly distributed on the detection disk around the axis of the detection disk, and the number of the metal blocks is 12.
Optionally, before determining whether the value of the remaining percentage reaches the preset value, the method for discharging the storage cabinet further includes: and determining a preset value according to the material type.
Optionally, determining the preset value by the material type includes:
determining the channel number of the infrared moisture meter corresponding to the material type according to the material type;
and calling a preset value corresponding to the channel number of the infrared moisture meter in the storage unit based on the channel number of the infrared moisture meter.
By adopting the technical scheme, because the infrared moisture meter channel number is digital, the corresponding preset value is called through the infrared moisture meter channel number for identifying the material, the identification difficulty can be simplified, and the method is simpler and quicker compared with the traditional identification material mark.
Optionally, determining the control strategy according to the remaining percentage further includes: when the value of the residual percentage reaches a preset value, the poking roller reversely rotates under the control of the control system.
When the shifting roller rotates forwards, due to the inertia effect, partial tailings can be thrown back into the storage cabinet, so that the tailings are discharged slowly; by adopting the technical scheme, when the tailings are discharged, the shifting roller is reversely rotated, so that the tailings can be prevented from being thrown back into the storage cabinet, and the discharge speed of the tailings is increased.
The embodiment of the invention also discloses a storage cabinet discharging device, which is characterized by comprising the following components:
the conveying device is arranged in the storage cabinet and used for driving the materials to run, and the conveying device comprises a motor which is used for providing power for the conveying device;
the detection control system is electrically connected with the motor and used for detecting the residual percentage of the materials in the storage cabinet, and when the value of the residual percentage reaches a preset value, the detection control system controls the operating frequency of the motor to be changed from a first frequency to a second frequency so as to improve the operating speed of the conveying device; wherein the second frequency is greater than the first frequency.
By adopting the technical scheme, when the tailings are to be output from the storage cabinet, the residual percentage of the materials in the storage cabinet reaches the preset value, the speed of the conveying device is increased at the moment, and the conveying speed of the tailings can be increased, so that the problems of insufficient feeding, feeding interruption and long feeding waiting time of a downstream machine, which are generated in the tailing discharging process of the existing storage cabinet, are solved, the working efficiency is effectively improved, and the product quality stability is enhanced.
Optionally, the first frequency is 25-35Hz and the second frequency is 50Hz.
Optionally, conveyor still includes two belt pulleys and suit in the belt on two belt pulleys, and each belt pulley is connected with the transmission shaft respectively, and detection control system includes:
the control system is electrically connected with the motor;
the detection disc is arranged on one transmission shaft;
the metal block is arranged on the detection disc;
and the sensor is electrically connected with the control system and used for detecting the metal block, and the sensor sends a pulse to the control system after detecting the metal block once.
Optionally, the number of the metal blocks is multiple, and the metal blocks are uniformly distributed around the axis of the detection disc.
Optionally, the number of metal blocks is 12.
Optionally, the control system comprises:
the receiving unit is connected with the sensor and used for receiving the pulse output by the sensor and calculating the number of times of the received pulse as an actual pulse value;
and the processing unit is used for calculating the residual percentage according to the actual pulse value and generating a corresponding working instruction according to the residual percentage so as to control the frequency of the motor.
Optionally, the control system further comprises:
the identification unit is used for identifying and outputting the channel number of the infrared moisture meter corresponding to the material;
the storage unit is used for storing a plurality of infrared moisture meter channel numbers and preset values corresponding to the infrared moisture meter channel numbers;
and the calling unit is respectively connected with the identification unit and the storage unit and is used for receiving the channel number of the infrared moisture meter output by the identification unit and calling a preset value corresponding to the channel number of the infrared moisture meter from the storage unit.
Optionally, a poking roller is arranged at the outlet of the storage cabinet, and when the value of the residual percentage reaches a preset value, the poking roller is reversed under the control of the control system.
Drawings
FIG. 1 is a flow chart illustrating a bin discharging method according to an embodiment of the present invention;
FIG. 2 shows a cross-sectional view of a bin discharge provided by an embodiment of the invention;
fig. 3 is a schematic structural diagram of a detection control system according to an embodiment of the present invention;
FIG. 4 shows a cross-sectional view of a bin discharger provided by another embodiment of the invention;
FIG. 5 shows a schematic view of a bin discharger provided by an embodiment of the invention.
Reference numerals: 1. a storage cabinet; 2. a conveying device; 21. a motor; 22. an output end of the motor; 23. a pulley; 24. a belt; 25. a drive shaft; 3. detecting a control system; 31. detecting a disc; 32. a metal block; 33. a sensor; 34. a mounting frame; 4. a poking roller; 5. material preparation; 51. tailing; 52. a middle section; 6. a transmission mechanism; 61. a first drive pulley; 62. a second transmission wheel; 63. a transmission belt.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to these embodiments. On the contrary, the invention is described in connection with the embodiments for the purpose of covering alternatives or modifications that may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Moreover, some of the specific details have been omitted from the description in order not to obscure or obscure the focus of the present invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that in this specification, like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
In actual production, material 5 (can be the tobacco) is placed on conveyor 2 in cabinet 1, conveyor 2 generally is the belt feeder, and it includes motor 21, two belt pulleys 23 and suit belt 24 on two belt pulleys 23, and belt pulley 23 is connected with transmission shaft 25, and transmission shaft 25 passes through the bearing rotation with conveyor 2's frame and is connected, and motor 21 links to each other with transmission shaft 25 on the belt pulley 23 as the action wheel, and motor 21 is used for driving conveyor 2 and moves. The material 5 is placed on the belt 24, the feeding and discharging of the material 5 in the storage cabinet 1 are completed through the conveying of the conveying device 2, and the poking roller 4 is generally installed at the outlet of the storage cabinet 1 and used for loosening the material 5. The material 5 comprises an intermediate section 52 and a tailing 51, the intermediate section 52 is uniform in thickness, and the tailing 51 is thinner than the intermediate section 52, so that the discharging volume of the tailing 51 in unit time is smaller, and the problems of insufficient feeding, feeding interruption and long feeding waiting time of a downstream machine are easily caused.
In order to solve the above problems, an embodiment of the present invention discloses a storage cabinet discharging method, as shown in fig. 1, including:
the remaining percentage of the material 5 in the storage 1 is obtained, which is: the ratio of the length of the projection of the remaining material in the bin 1 onto the conveying surface of the conveyor 2 of the total material in the bin 1 before discharge in a first direction, wherein the first direction is the conveying direction of the material 5 (the X direction shown in fig. 2);
determining a control strategy according to the residual percentage;
and adjusting the conveying speed of the material 5 according to the control strategy.
By adopting the technical scheme, the conveying speed of the material 5 is adjusted by detecting the residual percentage of the material 5 in the storage cabinet 1, so that the conveying speed of the tailing 51 can be improved, the discharging volume of the tailing 51 in unit time is increased, the problems of insufficient feeding, feeding interruption and long feeding waiting time of a downstream machine in the discharging process of the tailing 51 of the storage cabinet 1 at present are solved, the working efficiency is effectively improved, and the product quality stability is enhanced.
Further, determining the control strategy according to the remaining percentage includes:
judging whether the numerical value of the residual percentage reaches a preset value, if not, controlling the conveying speed of the material 5 to keep the first speed; if so, the control strategy is to change the conveying speed of the material 5 from the first speed to the second speed, and the second speed is greater than the first speed. The preset value is the ratio of the length of the projection of the tailings 51 to the total material 5 in the unsprayed front silo 1 onto the conveying surface of the conveyor 2 in the first direction. When the residual percentage reaches the preset value, it indicates that only the residual tailings 51 in the storage cabinet 1 are not discharged, and at this time, the conveying speed of the conveying device 2 is increased, so that the discharging efficiency of the tailings 51 can be improved.
Further, according to the control strategy, adjusting the conveying speed of the material 5 comprises:
if the control strategy is to change the conveying speed of the material 5 from the first speed to the second speed, the frequency of the motor 21 for conveying the material 5 is changed from the first frequency to the second frequency under the control of the control system, and the second frequency is greater than the first frequency. The conveying speed of the materials 5 is adjusted by adjusting the frequency of the motor 21, so that the speed adjustment is quicker and more accurate.
Specifically, the first frequency is 25-35Hz, and the second frequency is 50Hz.
Further, obtaining the remaining percentage of material 5 in bin 1 comprises:
acquiring an actual stroke of the material 5 (namely, a stroke of the discharged part of the material 5);
calculating the stroke difference value between the total stroke (namely the stroke of all the materials 5 required to be discharged) of the materials 5 required to be operated and the actual stroke;
and calculating the ratio of the stroke difference to the total stroke, namely the residual percentage.
Further, obtaining the remaining percentage of material 5 in the holding cabinet 1 comprises:
detecting the metal blocks 32 on the detection disc 31 arranged on the transmission shaft 25 through the sensor 33, sending a pulse to the control system after each metal block 32 is detected by the sensor 33, receiving the pulse output by the sensor 33 by the control system, and calculating the number of the received pulses as an actual pulse value;
the control system calculates a pulse difference value between a preset pulse value and an actual pulse value, wherein the preset pulse value is a total pulse value measured by the sensor 33 after the material 5 is completely output;
and the control system calculates the ratio of the pulse difference value to a preset pulse value, namely the residual percentage.
In the above-described embodiment, the number of revolutions of the motor 21 can be calculated from the actual pulse value, and the number of revolutions of the pulley 23 and the stroke of the belt 24 can be calculated. By adopting the technical scheme, the residual percentage of the materials 5 in the storage cabinet 1 is obtained by detecting the pulse number, the accuracy of the detected residual percentage can be improved, the structure of the detection control system 3 can be simplified, and the installation space and the cost are saved.
Specifically, as shown in fig. 3, the metal blocks 32 are uniformly distributed on the detection disk 31 around the axis of the detection disk 31, and the number of the metal blocks 32 is 12.
Further, before judging whether the value of the remaining percentage reaches the preset value, the storage cabinet discharging method further comprises the following steps: the preset value is determined by the type of the material 5. Due to the fact that preset values of different kinds of materials are different, the preset values need to be determined.
Further, the step of determining the preset value according to the material type comprises the following steps:
and determining the channel number of the infrared moisture meter corresponding to the material type according to the material type, wherein the channel number of the infrared moisture meter is measured by the infrared moisture meter. The infrared moisture meter is arranged on a cigarette production line, can detect the channel number of the infrared moisture meter corresponding to the type of the material and sends the channel number of the infrared moisture meter to the control system of the storage cabinet 1;
and calling a preset value corresponding to the channel number of the infrared moisture meter in the storage unit based on the channel number of the infrared moisture meter.
By adopting the technical scheme, the channel number of the infrared moisture meter is digital, so that the corresponding preset value is called by the channel number of the infrared moisture meter for identifying the material, the identification difficulty can be simplified, and the infrared moisture meter is simpler and faster than the traditional identification material brand.
Optionally, determining the control strategy according to the remaining percentage further includes: when the value of the remaining percentage reaches the preset value, the dial roller 4 is reversed under the control of the control system.
During the middle section 52, the poking roller 4 rotates forward (as shown by the direction r in fig. 2) to evacuate the materials. When the poking roller 4 rotates forwards, the poking roller can back throw the materials into the storage cabinet 1 under the action of inertia and centrifugal force. Due to the large thickness of the intermediate section 52, the material that is flung back will not fall back into the holding cabinet 1 under the blocking action of the intermediate section 52, and can still be discharged outside the holding cabinet 1. However, the thickness of the tailings 51 is small, so that if the shifting roller 4 rotates forwards, part of the tailings 51 can be thrown back into the storage cabinet 1, and the tailings 51 are discharged slowly; with the above technical solution, when the tailings 51 are discharged, the reverse rotation of the dial roller 4 (the direction opposite to the direction r shown in fig. 2) can prevent the tailings 51 from being thrown back into the storage cabinet 1, thereby increasing the discharge speed of the tailings 51.
The embodiment of the invention also discloses a discharging device of the storage cabinet 1, as shown in fig. 2, comprising:
the conveying device 2 is arranged in the storage cabinet 1 and used for driving the materials 5 to operate, the conveying device 2 comprises a motor 21, and the motor 21 is used for providing power for the conveying device 2;
the detection control system 3 is electrically connected with the motor 21, the detection control system 3 is used for detecting the residual percentage of the materials 5 in the storage cabinet 1, and when the value of the residual percentage reaches a preset value, the detection control system 3 controls the operation frequency of the motor 21 to be changed from a first frequency to a second frequency so as to improve the operation speed of the conveying device 2; wherein the second frequency is greater than the first frequency.
By adopting the technical scheme, when the tailings 51 are to be output from the storage cabinet 1, the residual percentage of the materials 5 in the storage cabinet 1 reaches the preset value, the speed of the conveying device 2 is increased at the moment, and the conveying speed of the tailings 51 can be increased, so that the problems of insufficient feeding, feeding interruption and long feeding waiting time of a downstream machine in the discharging process of the tailings 51 of the storage cabinet 1 at present are solved, the working efficiency is effectively improved, and the quality stability of products is enhanced.
Further, the first frequency is 25-35Hz, and the second frequency is 50Hz.
Further, as shown in fig. 3 and 5, the detection control system 3 includes:
the control system is electrically connected with the motor 21, and specifically, the control system can be a PLC;
the detection disc 31 is arranged on the transmission shaft 25, and the detection disc 31 rotates along with the transmission shaft 25;
a metal block 32 provided on the detection plate 31;
the sensor 33 is installed in the storage cabinet 1 through the mounting frame 34, the sensor 33 is electrically connected with the control system, the sensor 33 is used for detecting the metal block 32, and the sensor 33 sends a pulse to the control system after detecting the metal block 32 every time.
The control system can calculate the number of pulses sent by the sensor 33 (namely, the actual pulse value), calculate the pulse difference between the preset pulse value (the total pulse value measured by the sensor 33 after the material 5 is completely output) and the actual pulse value, and can calculate the ratio of the pulse difference to the preset pulse value, namely, the residual percentage.
Specifically, the detection plate 31 is fixedly connected to the transmission shaft 25 connected to the belt pulley 23 as the driven wheel, the detection plate 31 is overlapped with the axis of the transmission shaft 25, the detection plate 31 is made of metal, and a protrusion, namely a metal block 32, is formed on the circumferential surface of the detection plate 31.
Further, the number of the metal blocks 32 is plural, and the metal blocks 32 are arranged uniformly around the axis of the detection plate 31.
Further, the number of metal blocks 32 is 12, i.e. the sensor 33 sends 12 pulses to the control system per revolution of the pulley 23.
Further, the control system includes:
a receiving unit connected to the sensor 33, for receiving the pulses output by the sensor 33, and calculating the number of times of the received pulses as an actual pulse value;
and the processing unit is used for calculating the residual percentage according to the actual pulse value and generating a corresponding working instruction according to the residual percentage so as to control the frequency of the motor 21.
Further, the control system further comprises:
the identification unit is used for identifying and outputting the channel number of the infrared moisture meter corresponding to the material 5;
the storage unit is used for storing a plurality of infrared moisture meter channel numbers and preset values corresponding to the infrared moisture meter channel numbers;
and the calling unit is respectively connected with the identification unit and the storage unit and is used for receiving the infrared moisture meter channel number output by the identification unit and calling a preset value corresponding to the infrared moisture meter channel number from the storage unit.
Further, the outlet of the storage cabinet 1 is provided with a shifting roller 4, the shifting roller 4 is connected with a shifting roller motor, and the shifting roller motor is used for driving the shifting roller 4 to rotate. When the value of the remaining percentage reaches the preset value, the dial roller 4 is reversed under the control of the control system.
Further, as shown in fig. 4, a transmission mechanism 6 (a structure including a belt and a pulley, a structure including a sprocket and a chain, or other transmission structures) is further disposed between the motor 21 and the transmission shaft 25, the transmission mechanism 6 includes a first transmission wheel 61, a second transmission wheel 62 and a transmission belt 63, wherein the first transmission wheel 61 is connected to the transmission shaft 25, the second transmission wheel 62 is connected to the output end 22 of the motor, the transmission belt 63 is disposed between the first transmission wheel 61 and the second transmission wheel 62, and a diameter of the first transmission wheel 61 is smaller than a diameter of the second transmission wheel 62. By reducing the transmission ratio of the transmission mechanism 6, the running speed of the conveying device 2 can be increased, so that the discharging speed of the tailings 51 can be further increased.
During the use, the infrared moisture meter channel number of identification element discernment material 5 retrieves the unit and retrieves the default corresponding with this infrared moisture meter channel number from the memory cell. The conveyor 2 is started and the sensor 33 detects the slug 32 and sends a pulse to the control system each time the slug 32 is detected. The control system calculates an actual pulse value, calculates the remaining percentage of the material according to the actual pulse value, compares the remaining percentage with a preset value, and when the value of the remaining percentage reaches the preset value, the frequency of the motor 21 is changed from a first frequency to a second frequency under the control of the control system, and the second frequency is greater than the first frequency, so that the running speed of the conveying device 2 is increased. Meanwhile, when the value of the remaining percentage reaches a preset value, the dial roller 4 is reversed under the control of the control system.
While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more particular description of the invention than is possible with reference to the specific embodiments, and the specific embodiments of the invention are not to be considered as limited to those descriptions. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (18)
1. A bin discharge method, comprising:
obtaining the residual percentage of the materials in the storage cabinet;
determining a control strategy according to the remaining percentage;
and adjusting the conveying speed of the material according to the control strategy.
2. The bin discharging method according to claim 1, wherein said determining a control strategy based on said remaining percentage comprises:
and judging whether the value of the residual percentage reaches a preset value, if so, converting the conveying speed of the material from a first speed to a second speed, wherein the second speed is higher than the first speed.
3. The bin discharging method according to claim 2, wherein said adjusting the delivery rate of the material according to said control strategy comprises:
if the control strategy is to change the conveying speed of the material from the first speed to the second speed, the frequency of a motor for conveying the material is changed from a first frequency to a second frequency under the control of a control system, and the second frequency is greater than the first frequency.
4. The bin discharge method according to claim 3, wherein said first frequency is 25-35Hz and said second frequency is 50Hz.
5. The bin discharge method of any one of claims 1 to 4, wherein said obtaining a remaining percentage of material in the bin comprises:
acquiring an actual stroke of the material operation;
calculating a stroke difference value between a total stroke required by the material to operate and the actual stroke;
and calculating the ratio of the stroke difference value to the total stroke, namely the residual percentage.
6. The bin discharge method of claim 5, wherein said obtaining a remaining percentage of material in the bin comprises:
detecting metal blocks on a detection disc arranged on a transmission shaft of a conveying device through a sensor, sending a pulse to a control system after the sensor detects each metal block, receiving the pulse output by the sensor through the control system, and calculating the number of times of the received pulse as an actual pulse value;
the control system calculates a pulse difference value between a preset pulse value and an actual pulse value, wherein the preset pulse value is a total pulse value measured by the sensor after all materials are output;
and the control system calculates the ratio of the pulse difference value to the preset pulse value, namely the residual percentage.
7. The bin discharging method according to claim 6, wherein said metal blocks are uniformly distributed on said detection plate around the axis of said detection plate, and the number of said metal blocks is 12.
8. A bin discharge method according to any one of claims 2 to 4, wherein, prior to determining whether the value of the remaining percentage has reached the predetermined value, the bin discharge method further comprises: and determining the preset value according to the material type.
9. The bin discharging method according to claim 8, wherein said determining said preset value by said material type comprises:
determining the channel number of the infrared moisture meter corresponding to the material type according to the material type;
and calling the preset value corresponding to the channel number of the infrared moisture meter in a storage unit based on the channel number of the infrared moisture meter.
10. The cabinet tapping method according to any one of claims 2 to 4, wherein said determining a control strategy based on the remaining percentage further comprises: and when the value of the residual percentage reaches the preset value, the poking roller reversely rotates under the control of the control system.
11. A bin draw off device, comprising:
the conveying device is arranged in the storage cabinet and used for driving materials to run, and the conveying device comprises a motor which is used for providing power for the conveying device;
the detection control system is electrically connected with the motor and used for detecting the residual percentage of the materials in the storage cabinet, and when the value of the residual percentage reaches a preset value, the detection control system controls the operation frequency of the motor to be changed from a first frequency to a second frequency so as to improve the operation speed of the conveying device; wherein the second frequency is greater than the first frequency.
12. The bin discharger of claim 11, wherein said first frequency is 25-35Hz and said second frequency is 50Hz.
13. The bin discharger of claim 11, wherein said conveyor further comprises two pulleys and a belt fitted around said two pulleys, each of said pulleys being connected to a drive shaft, said detection control system comprising:
the control system is electrically connected with the motor;
the detection disc is arranged on one transmission shaft;
the metal block is arranged on the detection disc;
and the sensor is electrically connected with the control system and used for detecting the metal block, and the sensor sends a pulse to the control system after detecting the metal block every time.
14. The bin discharger of claim 13 wherein said metal blocks are in a plurality and are arranged evenly about the axis of said test tray.
15. The bin discharger of claim 14, wherein the number of said metal blocks is 12.
16. The bin discharger of claim 13, wherein the control system comprises:
the receiving unit is connected with the sensor and used for receiving the pulse output by the sensor and calculating the number of times of the received pulse as an actual pulse value;
and the processing unit is used for calculating the residual percentage according to the actual pulse value and generating a corresponding working instruction according to the residual percentage so as to control the frequency of the motor.
17. The bin discharger according to claim 16, wherein said control system further comprises:
the identification unit is used for identifying and outputting the channel number of the infrared moisture meter corresponding to the material;
the storage unit is used for storing a plurality of channel numbers of the infrared moisture meters and the preset values corresponding to the channel numbers of the infrared moisture meters;
and the calling unit is respectively connected with the identification unit and the storage unit and is used for receiving the channel number of the infrared moisture meter output by the identification unit and calling the preset value corresponding to the channel number of the infrared moisture meter from the storage unit.
18. The bin discharger of claim 11 wherein a dial roller is provided at the bin outlet, said dial roller being reversed under the control of said control system when said value of the remaining percentage reaches a preset value.
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| CN202110447749.0A CN115246586A (en) | 2021-04-25 | 2021-04-25 | Storage cabinet discharging method and device |
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Cited By (1)
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| CN115649550A (en) * | 2022-12-27 | 2023-01-31 | 河北省自动化研究所有限公司 | Glass tube conveying system and control method |
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