CN113291709A - Automatic residual grain collecting device and method - Google Patents
Automatic residual grain collecting device and method Download PDFInfo
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- CN113291709A CN113291709A CN202110569621.1A CN202110569621A CN113291709A CN 113291709 A CN113291709 A CN 113291709A CN 202110569621 A CN202110569621 A CN 202110569621A CN 113291709 A CN113291709 A CN 113291709A
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- magnetic card
- inclined channel
- hopper
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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
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/12—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising a series of individual load-carriers fixed, or normally fixed, relative to traction element
- B65G17/126—Bucket elevators
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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
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/30—Details; Auxiliary devices
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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
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/24—Gas suction systems
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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
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
-
- 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
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/40—Feeding or discharging devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses an automatic residual grain collecting device and a collecting method, wherein the automatic residual grain collecting device comprises a shell arranged at the bottom of a lifting machine, a feed inlet is formed in one side of the lifting machine, the other side of the lifting machine is communicated with a discharge outlet of an inclined channel, a feed inlet of the inclined channel is communicated with the shell, a suction fan is arranged at one side of the inclined channel, a plurality of hoppers are arranged in the lifting machine, a pressure sensor and a magnetic card are arranged in at least one hopper, and a magnetic card reader is arranged at the bottom surface of the inner side of the lifting machine. The invention can realize the automatic collection of the residual grain at the bottom of the bucket elevator, and the collected grain is fed into the specific hopper and is discharged out of the machine through the lifting of the specific hopper and the three-way valve of the dryer, and the two grain discharging modes are both suitable, thereby effectively reducing the quantity of broken rice which explodes the shell due to repeated drying, reducing the waist explosion rate, reducing the loss of the grain in the drying process, improving the drying quality of the grain, avoiding frequent manual cleaning and saving manpower.
Description
Technical Field
The invention relates to an automatic collecting device and a collecting method, in particular to an automatic collecting device and a collecting method for residual grains.
Background
China is a big agricultural country, the grain yield of every year is the most worldwide, and the grain needs to be dried in time after being harvested so as to be stored conveniently. The batch type circulating grain dryer plays an increasingly important role in agricultural production in China at present.
The bucket elevator is a continuous conveying machine for vertically lifting materials, has the advantages of large conveying capacity, high lifting height, stable and reliable operation, long service life and the like, and is widely applied to batch circulating grain dryers. However, after a batch of grains is dried, a part of grains always remained at the bottom of the bucket elevator cannot be lifted, if the grains are not removed, the grains enter the next batch of grains for drying, the cracking rate is increased, broken rice is increased, the waste of the grains is caused, and the drying effect of the dryer is reduced. The method for cleaning residual grains at the bottom of the bucket elevator of the conventional batch type circulating grain dryer is manual cleaning, and because the elevator is close to the dryer, the temperature is higher, grains are remained at the bottom of the bucket elevator, the space is narrow and small, workers need to bend down for multiple cleaning, the cleaning effect is unsatisfactory, the labor intensity is high, the bucket elevator needs to be stopped before cleaning, and the working efficiency is low.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide an automatic residual grain collecting device and a residual grain collecting method, which can efficiently finish automatic collection of residual grains.
The technical scheme is as follows: the invention comprises a shell arranged at the bottom of a lifting machine, wherein a feed inlet is arranged at one side of the lifting machine, the other side of the lifting machine is communicated with a discharge outlet of an inclined channel, a feed inlet of the inclined channel is communicated with the shell, a suction fan is arranged at one side of the inclined channel, a plurality of hoppers are arranged in the lifting machine, a pressure sensor and a magnetic card are arranged in at least one hopper, and a magnetic card reader is arranged at the bottom surface of the inner side of the lifting machine.
The casing include last casing and lower casing, the shape of going up the casing is the cuboid, the shape of lower casing is the chamfered pyramid form, last casing and lifting machine link firmly, go up the casing bottom and be connected with lower casing.
The automatic door closer is characterized in that an automatic door is installed in the upper shell and connected with the upper shell through a hydraulic cylinder so as to automatically open and close the door.
The lower shell is communicated with a feeding port of the inclined channel through a pipeline.
The closed door is arranged in the inclined channel and is connected with the inclined channel through a hydraulic cylinder so as to realize the automatic opening and closing of the door.
And a filter screen is arranged at the joint of the inclined channel and the suction fan.
The suction fan comprises a casing, a wind collecting cover is installed on one side of the casing, an impeller is installed inside the casing, the impeller is connected with a motor, and the impeller is driven to rotate through the motor.
And the pressure sensor, the suction fan and the magnetic card reader are all connected with a control system.
A collection method of an automatic residual grain collection device comprises the following steps:
(1) grain enters the bucket elevator through the feed inlet, when a hopper provided with a pressure sensor and a magnetic card is close to the magnetic card reader, the magnetic card reader senses the magnetic card in the hopper and controls the pressure sensor to work, and the pressure sensor measures the quality of the cyclically lifted grain in the hopper;
(2) when the pressure sensor measures that the mass of the grain lifted by the hopper is less than 3 g, the automatic switch door is controlled to be opened, the residual grain at the bottom of the bucket elevator enters the pipeline under the action of gravity, and the process consumes t time2Second;
(3) the automatic switch door is closed to be in an inclined state with the horizontal plane, the motor of the suction fan drives the impeller to rotate, the impeller generates centrifugal force to throw air out of the impeller when rotating, the air is collected in the shell after being thrown out of the impeller and is discharged from the outlet of the suction fan, negative pressure is generated after the air in the impeller is discharged, the air in the inclined channel and the pipeline enters the suction fan from the inlet and is discharged through the outlet, negative pressure is also formed in the inclined channel and the pipeline to suck grains in the pipeline into the inclined channel and is retained in the inclined channel, and t is consumed in the process3Second;
(4) the motor stops running, the automatic opening and closing door is completely closed, and the closed door in the inclined channel is opened;
(5) t time spent by moving hopper provided with pressure sensor and magnetic card from magnetic card reader to inclined channel discharge port1And secondly, the time t is consumed when the grains completely reach the discharge port from the feeding port of the inclined channel and enter the hopper provided with the pressure sensor and the magnetic card4Second, closing the closing door in the inclined channel;
(6) the grain in the inclined channel is lifted by a hopper provided with a pressure sensor and a magnetic card and discharged out of the machine by the dryer.
T in the step (5)1Less than t2+t3+t4。
Has the advantages that:
(1) the invention can realize the automatic collection of the residual grain at the bottom of the bucket elevator, and the collected grain is sent into the specific hopper, is discharged out of the machine through the lifting of the specific hopper and the upper three-way valve (the outlet is led out of the machine) of the dryer, or enters the dryer and is discharged out of the machine through the lower three-way valve (the outlet is led out of the machine) of the dryer, and the two grain discharging modes are both applicable, thereby effectively reducing the quantity of broken rice which explodes the shell due to repeated drying, further reducing the waist explosion rate, reducing the loss of the grain in the drying process and improving the drying quality of the grain;
(2) the automatic grain collecting device can automatically collect the residual grains at the bottom of the bucket elevator, avoids frequent manual cleaning, and saves manpower.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an isometric enlarged view of the present invention;
FIG. 3 is a cross-sectional view of the angled passages of the present invention;
FIG. 4 is a schematic view of the position of the filter screen of the present invention mounted on an inclined path;
FIG. 5 is a graph of the movement trace of the residual grain and the hopper when the present invention is in operation;
FIG. 6 is an isometric and partially enlarged view of the bucket elevator housing with the bucket elevator housing removed;
FIG. 7 is an isometric view of the hopper 3 of the present invention near a magnetic card reader;
FIG. 8 is an exploded view of the internal structure of the centrifugal powerful suction fan of the present invention;
FIG. 9 is a diagram of the trajectory of air entering and exiting a centrifugal powerful suction fan;
FIG. 10 is an overall view of the present invention applied to a batch type circulation grain dryer;
fig. 11 is a flow chart of the operation of the present invention.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1 to 10, the present invention includes an upper shell 6 welded at the bottom of a bucket elevator 2, a lower shell 7 welded at the bottom of the upper shell 6, the bottom of the lower shell 7 is communicated with a feeding port of an inclined channel 11 through a J-shaped pipeline 9, a discharging port of the inclined channel 11 is communicated with the right side of the bucket elevator 2, and a feeding port 12 is arranged at the left side of the tail of the bucket elevator 2, as shown in fig. 1 and 2. The bucket elevator 2 is provided at one side of the dryer body 1 as shown in fig. 10.
Be equipped with automatic switch door 4 in going up casing 6, automatic switch door 4 passes through hinge connection on last casing 6, and hinged joint has pneumatic cylinder 5 for the lower part of automatic switch door 4, and pneumatic cylinder 5 passes through the hinge fastening on last casing 6 to realize the automation of door and open and close. The upper case 6 is a rectangular parallelepiped, and the lower case 7 is a reverse pyramid.
As shown in fig. 6 and 7, a plurality of hoppers are arranged in the bucket elevator 2, one hopper 3 is provided with a pressure sensor and a magnetic card, a magnetic card reader 8 is arranged in the right casing at the tail of the bucket elevator 2, and the magnetic card reader 8 can read the magnetic card in the hopper 3 and control the pressure sensor to work.
As shown in fig. 3, the inside of the inclined passage 11 is provided with a closing door 13, the closing door 13 is hinged to the upper surface of the inclined passage 11, a hydraulic cylinder 5 is hinged to the left side of the closing door 13, and the hydraulic cylinder 5 is fixed to the upper surface of the inclined passage 11 by a hinge to realize automatic opening and closing of the door. The inclined channel 11 is provided with a suction fan 10, and a filter screen 14 is arranged at the joint of the suction fan 10 and the inclined channel 11, as shown in fig. 4.
As shown in fig. 8, a centrifugal powerful suction fan is adopted as the suction fan 10, the suction fan 10 includes a first connecting flange 101, a wind-collecting cover 102, a casing 103, an impeller 104, a second adapter flange 105 and a motor 106, the wind-collecting cover 102 is installed on one side of the casing 103 through the first connecting flange 101, the impeller 104 is installed inside the casing 103, the impeller 104 is connected with the motor 106, the impeller 104 is driven to rotate by the motor 106, and the motor 106 is fixed on the casing 103 through the second connecting flange 105.
As shown in fig. 11, the collection method of the present invention includes the steps of:
(1) when a hopper 3 provided with a pressure sensor and a magnetic card is close to a feed inlet 12, grain enters a bucket elevator 2 through the feed inlet 12 and falls into the hopper 3 provided with the pressure sensor and the magnetic card, and in the process of lifting the grain by the bucket elevator 2, when the hopper 3 provided with the pressure sensor and the magnetic card is close to a magnetic card reader 8 on the bottom surface of the bucket elevator 2, the magnetic card reader 8 senses the magnetic card in the hopper 3, the pressure sensor is controlled to work, and the pressure sensor measures the quality of the grain which is circularly lifted in the hopper 3;
(2) when the pressure sensor measures that the mass of the grain lifted by the hopper 3 is less than 3 g, namely, only residual grain of which the bottom cannot be lifted is left in the bucket elevator 2, the automatic switch door 4 at the bottom of the bucket elevator 2 is controlled to be opened immediately, the residual grain at the bottom of the bucket elevator 2 enters the J-shaped pipeline 9 under the action of gravity, and t is consumed in the process2Second;
(3) the automatic switch door 4 at the bottom of the bucket elevator 2 is closed to be in an inclined state of 10-15 degrees with the horizontal plane, the motor 106 of the suction fan 10 is started, when the motor 106 rotates, the impeller 104 is driven to rotate, centrifugal force is generated when the impeller 104 rotates to throw air out of the impeller 104, the air is thrown out of the impeller 104 and then collected in the casing 103, because of low speed and high pressure, the air is discharged from the outlet D of the suction fan 10, as shown in figure 9, negative pressure is generated after the air in the impeller 104 is discharged, the air in the inclined channel 11 and the J-shaped pipeline 9 enters the suction fan 10 from the inlet C and is discharged through the outlet D of the fan, negative pressure is also formed in the inclined channel 11 and the J-shaped pipeline 9 to generate strong suction force to suck grains in the J-shaped pipeline 9 into the inclined channel 11, and due to the action of the filter screen 14, the air enters the suction fan 10 and then is discharged from the outlet D, the grain is retained in the inclined channel 11, and the process takes time t3Second;
(4) the motor 106 stops running, the automatic opening and closing door 4 at the bottom of the bucket elevator 2 is completely closed, and the closing door 13 in the inclined channel 11 is opened;
(5) it takes t time for the hopper 3 to move from the magnetic card reader 8 (at a in fig. 5) to the discharge port of the inclined passage 11 (at B in fig. 5)1Second, the grain completely arrives at the discharge hole from the feeding hole of the inclined channel 11 and enters the hopper 3 for a time t under the action of gravity4Second, and t1Slightly less than t2+t3+t4So that the grain in the inclined channel 11 just completely enters the hopper 3, then the closing door 13 in the inclined channel 11 is closed, the grain in the inclined channel 11 is discharged out of the machine through the lifting of the hopper 3 and the upper three-way valve (outlet leading to the outside) of the dryer 1, or enters the dryer 1 and passes through the lower three-way valve (outlet leading to the outside) of the dryer 1Off-machine) out of the machine. So realized that the automatic collection of the remaining grain of 2 bottoms of bucket elevator, promote and discharge outside the machine, avoid getting into next batch repeated drying to reduce the waist rate of exploding, reduce the quantity of garrulous rice, reduce the loss of stoving in-process grain, improve the oven-dry mass of grain.
The invention directly modifies the tail part of the bucket elevator of the existing batch type circulating grain dryer and efficiently finishes the automatic collection of the residual grains, feeds the collected grains into the specific hopper, discharges the grains out of the dryer through the lifting of the specific hopper and the upper three-way valve (the outlet is led out of the dryer) of the dryer, or enters the dryer and discharges the grains out of the dryer through the lower three-way valve (the outlet is led out of the dryer), thereby effectively reducing the quantity of broken rice with shell explosion caused by repeated drying, reducing the waist explosion rate, reducing the loss of the grains in the drying process and improving the drying quality of the grains.
Claims (10)
1. The utility model provides a remaining grain automatic collection device, its characterized in that, is including installing the casing in the lifting machine bottom, lifting machine one side be equipped with feed inlet (12), the discharge gate intercommunication of opposite side and slope passageway (11), the pan feeding mouth and the casing intercommunication of slope passageway (11), suction fan (10) are installed to slope passageway (11) one side, the lifting machine in be equipped with a plurality of hoppers, wherein be equipped with pressure sensor and magnetic card in at least one hopper (3), the inboard bottom surface of lifting machine is equipped with magnetic card reader (8).
2. The automatic collection device for residual grains according to claim 1, wherein the shell comprises an upper shell (6) and a lower shell (7), the upper shell (6) is fixedly connected with a hoisting machine, and the lower shell (7) is connected to the bottom of the upper shell (6).
3. The automatic residual grain collecting device according to claim 2, wherein an automatic opening and closing door (4) is installed in the upper casing (6), and the automatic opening and closing door (4) is connected with the upper casing (6) through a hydraulic cylinder (5).
4. The automatic collection device of the residual grain according to claim 2, wherein the lower housing (7) is communicated with the feeding port of the inclined channel (11) through a pipe.
5. The automatic collection device of the residual grain according to claim 1, wherein a closing door (13) is provided in the inclined passage (11), and the closing door (13) is connected with the inclined passage (11) through a hydraulic cylinder (5).
6. The automatic collection device of the residual grain according to claim 1 or 5, wherein a filter screen (14) is arranged at the connection part of the inclined channel (11) and the suction fan (10).
7. The automatic residual grain collecting device according to claim 1, wherein the suction fan (10) comprises a casing (103), a wind collecting cover (102) is installed on one side of the casing (103), an impeller (104) is installed inside the casing (103), and the impeller (104) is connected with the motor (106).
8. The automatic collection device of residual grain according to claim 1, wherein the pressure sensor, the suction fan (10) and the magnetic card reader (8) are connected with a control system.
9. The collection method of the automatic residual grain collection device is characterized by comprising the following steps of:
(1) grain enters the bucket elevator through the feed inlet, when a hopper provided with a pressure sensor and a magnetic card is close to the magnetic card reader, the magnetic card reader senses the magnetic card in the hopper and controls the pressure sensor to work, and the pressure sensor measures the quality of the cyclically lifted grain in the hopper;
(2) when the pressure sensor measures that the mass of the grain lifted by the hopper is less than 3 g, the automatic switch door is controlled to be opened, the residual grain at the bottom of the bucket elevator enters the pipeline under the action of gravity, and the process consumes t time2Second;
(3) the automatic switch door is closed to be in an inclined state with the horizontal plane, the motor of the suction fan drives the impeller to rotate, the impeller generates centrifugal force to throw air out of the impeller when rotating, the air is collected in the shell after being thrown out of the impeller and is discharged from the outlet of the suction fan, negative pressure is generated after the air in the impeller is discharged, the air in the inclined channel and the pipeline enters the suction fan from the inlet and is discharged through the outlet, negative pressure is also formed in the inclined channel and the pipeline to suck grains in the pipeline into the inclined channel and is retained in the inclined channel, and t is consumed in the process3Second;
(4) the motor stops running, the automatic opening and closing door is completely closed, and the closed door in the inclined channel is opened;
(5) t time spent by moving hopper provided with pressure sensor and magnetic card from magnetic card reader to inclined channel discharge port1And secondly, the time t is consumed when the grains completely reach the discharge port from the feeding port of the inclined channel and enter the hopper provided with the pressure sensor and the magnetic card4Second, closing the closing door in the inclined channel;
(6) the grain in the inclined channel is lifted by a hopper provided with a pressure sensor and a magnetic card and discharged out of the machine by the dryer.
10. The collecting method of an automatic residual grain collecting device according to claim 9, wherein t in the step (5)1Less than t2+t3+t4。
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110569621.1A CN113291709B (en) | 2021-05-25 | 2021-05-25 | Collecting method of automatic residual grain collecting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110569621.1A CN113291709B (en) | 2021-05-25 | 2021-05-25 | Collecting method of automatic residual grain collecting device |
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| CN113291709A true CN113291709A (en) | 2021-08-24 |
| CN113291709B CN113291709B (en) | 2022-07-29 |
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| CN114212460A (en) * | 2021-12-17 | 2022-03-22 | 邢台市天元星食品设备有限公司 | Novel efficient belt type bucket elevator with circulating feeding and controllable tensioning force |
| IT202200001670A1 (en) * | 2022-02-01 | 2023-08-01 | Gucon Srl | Accessory device for bucket elevator |
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| CN113291709B (en) | 2022-07-29 |
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Application publication date: 20210824 Assignee: Jiangsu Huichuang science and Education Development Co.,Ltd. Assignor: HUAIYIN INSTITUTE OF TECHNOLOGY Contract record no.: X2022320000370 Denomination of invention: A Collection Method of an Automatic Collection Device for Residual Grain Granted publication date: 20220729 License type: Common License Record date: 20221213 |
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