CN108936756B - Quantitative eccentric grain discharging mechanism for peanut circulating dryer - Google Patents
Quantitative eccentric grain discharging mechanism for peanut circulating dryer Download PDFInfo
- Publication number
- CN108936756B CN108936756B CN201811166534.6A CN201811166534A CN108936756B CN 108936756 B CN108936756 B CN 108936756B CN 201811166534 A CN201811166534 A CN 201811166534A CN 108936756 B CN108936756 B CN 108936756B
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- China
- Prior art keywords
- grain discharging
- peanut
- wheel
- cylindrical shell
- shell
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007599 discharging Methods 0.000 title claims abstract description 79
- 235000020232 peanut Nutrition 0.000 title claims abstract description 58
- 235000017060 Arachis glabrata Nutrition 0.000 title claims abstract description 34
- 235000010777 Arachis hypogaea Nutrition 0.000 title claims abstract description 34
- 235000018262 Arachis monticola Nutrition 0.000 title claims abstract description 34
- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 241001553178 Arachis glabrata Species 0.000 title claims abstract 9
- 239000000463 material Substances 0.000 claims abstract description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000741 silica gel Substances 0.000 claims abstract description 15
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 abstract description 15
- 238000010008 shearing Methods 0.000 abstract description 8
- 235000013339 cereals Nutrition 0.000 description 58
- 244000105624 Arachis hypogaea Species 0.000 description 49
- 230000008569 process Effects 0.000 description 8
- 238000001035 drying Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N12/00—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
- A23N12/08—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for drying or roasting
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N12/00—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
- A23N12/08—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for drying or roasting
- A23N12/12—Auxiliary devices for roasting machines
- A23N12/125—Accessories or details
Abstract
The invention relates to a quantitative eccentric grain discharging mechanism for a peanut circulating dryer, and belongs to the technical field of agricultural machinery. The mechanism consists of a funnel-shaped collecting device and a star-shaped rotary valve; a herringbone material separating plate is fixed above the bottom outlet of the material collecting device; the star-shaped rotary valve comprises a horizontal cylindrical shell, a grain discharging wheel formed by a star-shaped rotary wheel is supported in the shell, and the rotation center of the grain discharging wheel is deviated above the circle center of the cylindrical shell; the grain discharging wheel consists of side plates positioned at two ends of the rotating shaft and circumferentially and uniformly distributed radial grain discharging blades which are fixedly connected with the side plates at two ends respectively at two axial ends, wherein the grain discharging blades are silica gel plates with the outer edges being flush with the outer circles of the side plates and radially extend from rigid grain discharging plates adjacent to the rotating shaft; the radius of the grain discharging wheel is adapted to the distance from the center of the rotating shaft to the intersection line of the straight-through feed inlet and the horizontal cylindrical shell. The invention can effectively reduce the extrusion force of peanuts and the shearing force between the peanuts and the shell, thereby effectively reducing the breakage and crushing of peanut pods.
Description
Technical Field
The invention relates to a crop discharge mechanism, in particular to a quantitative eccentric grain discharge mechanism for a peanut circulating dryer, and belongs to the technical field of agricultural machinery.
Background
The applicant has appreciated that the existing output devices for material dryers such as grain and the like are mainly composed of a star-shaped rotary valve located at the bottom of a funnel-shaped collecting device. When the rotary valve works, the star-shaped rotary valve can rotate to form a dynamic output channel, and the dried materials are gradually discharged. However, practice proves that when the device is directly used at the bottom of a drying unit of a peanut circulating dryer and is used for discharging grains to a follow-up conveying lifting mechanism, the bearing capacity of peanut pods is far less than that of solid materials such as rice, and the star wheel impeller in the star-shaped rotary valve can push the materials in the discharging process, so that the peanut pods cannot be prevented from being damaged due to extrusion and shearing, and the quality of the peanuts is seriously affected.
Disclosure of Invention
The invention aims at: aiming at the defects existing in the prior art, a quantitative eccentric grain discharging mechanism for a peanut circulating dryer is provided, which can effectively avoid extrusion and shearing damage.
In order to achieve the purpose, the quantitative eccentric grain discharging mechanism for the peanut circulating dryer consists of a funnel-shaped aggregate device and a star-shaped rotary valve positioned at the bottom of the aggregate device; a herringbone material separating plate is fixed above the bottom outlet of the material collecting device; the star-shaped rotary valve comprises a horizontal cylindrical shell, wherein the upper end and the lower end of the horizontal cylindrical shell are respectively provided with a through feed inlet and a through discharge outlet, a grain discharging wheel formed by a star-shaped rotary wheel is supported in the cylindrical shell, and the rotation center of the grain discharging wheel is deviated above the circle center of the cylindrical shell; the grain discharging wheel consists of side discs positioned at two ends of the rotating shaft and circumferentially and uniformly distributed radial grain discharging blades, wherein the two axial ends of the side discs are respectively fixedly connected with the side discs at two ends, and each grain discharging blade consists of a silica gel plate, wherein the outer edge of the silica gel plate is flush with the outer circle of the side disc, and the outer edge of the silica gel plate extends radially from a rigid grain discharging plate adjacent to the rotating shaft; the radius of the grain discharging wheel is adapted to the distance from the center of the rotating shaft to the intersection line of the straight-through feed inlet and the horizontal cylindrical shell.
When the grain discharging wheel rotates in operation, peanut materials fall into a dynamic space formed by the grain discharging blades and the shell from the feed inlet, extrusion friction among peanuts is increased along with rotation of the grain discharging wheel, and the flexible silica gel plate deforms and bends towards the direction opposite to the rotation, so that extrusion and friction among the peanuts can be effectively reduced; when the edge of the grain discharging blade is close to the top end of the circular arc surface of the feed inlet of the shell, the flexible silica gel plate is flexibly bent due to stress, so that the extrusion force and the shearing force between the peanut, the blade and the shell can be effectively unloaded to the range which can be born by peanut pods; with the continuous downward rotation of the grain discharge blades, the dynamic space is gradually increased due to the existence of the eccentricity, and the extrusion and friction between peanuts and between the peanuts and the shell are reduced until the discharge of the lower discharge port is achieved.
Therefore, the invention can effectively reduce the extrusion force of peanuts and the shearing force between the peanuts and the shell, thereby effectively reducing the breakage and crushing of peanut pods.
The invention is further perfected that the ratio of the eccentric distance of the rotation center of the grain discharging wheel, which deviates from the center of the cylinder shell, to the radius of the grain discharging wheel is 1:7.5-8.5.
The invention is further perfected that the straight-through discharge hole at the lower end of the cylindrical shell is provided with a downward guide plate in an inverted splayed shape.
The invention is further perfected that the grain discharging blade consists of a flexible silica gel plate which is fixedly connected with the outer side of a rigid grain discharging plate adjacent to the rotating shaft through a pressing strip and extends radially.
The invention is further perfected in that the opening widths of the through feeding hole and the through discharging hole are equal.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of the structure of an embodiment of the present invention.
Fig. 2 is a schematic perspective view of the embodiment of fig. 1.
Fig. 3 is a schematic perspective view of the star-shaped rotary valve of the embodiment of fig. 1.
Fig. 4 is a schematic diagram of the star-shaped rotary valve housing of the embodiment of fig. 1.
Fig. 5 is a schematic perspective view of the star-shaped rotary valve housing of the embodiment of fig. 1.
Fig. 6 is a schematic perspective view of the embodiment of fig. 1.
Figures 7-1 to 7-10 are schematic diagrams of a grain movement process according to an embodiment.
Detailed Description
Example 1
The quantitative eccentric grain discharging mechanism for the peanut circulating dryer in the embodiment is mainly composed of a funnel-shaped collecting device 1 and a star-shaped rotary valve 2 positioned at the bottom of the collecting device 1 as shown in fig. 1 and 2. A herringbone material separating plate 1-1 is fixed above the bottom outlet of the material collecting device 1. The star-shaped rotary valve 2 comprises a horizontal cylindrical shell 2-1 with an equal-width straight-through feed inlet and a straight-through discharge outlet at the upper end and the lower end, and a grain discharging wheel 4 formed by the star-shaped rotary wheel is supported in the cylindrical shell 2-1 through a rotary shaft 3. The straight-through discharge hole at the lower end of the cylindrical shell 2-1 is provided with a downward guide plate 2-2 which is inverted splayed.
As can be seen in fig. 3, 4 and 5, the rotation center of the rotation shaft 3 of the grain discharging wheel 4 is offset above the axis of the cylindrical housing 2-1.
The grain discharging wheel 4 is shown in fig. 6, and consists of side discs 3-1 positioned at two ends of a rotating shaft 3 and four (or more) radial grain discharging blades which are circumferentially and uniformly distributed and fixedly connected with the side discs at two ends respectively, wherein the grain discharging blades consist of rigid grain discharging plates 3-2 adjacent to the rotating shaft, the outer sides of the flexible silica gel plates 3-3 are fixedly connected with flexible silica gel plates 3-3 which extend radially through pressing strips, and the outer edges of the silica gel plates 3-3 are flush with the outer circles of the side discs 3-1. The rotation center O of the grain discharging wheel 4 is offset above the circle center of the cylindrical shell; the radius of the discharge wheel 4, i.e. the radius of the side disc 3-1, is adapted to the distance L from the centre O of the rotation axis thereof to the intersection j of the through-feed opening with the horizontal cylindrical housing (see fig. 4). In addition, the ratio of the eccentricity of the rotation center of the grain discharging wheel 4, which deviates from the center of the circle of the cylindrical shell 2-1, to the radius of the grain discharging wheel is preferably 1:7.5-8.5, in this embodiment 1:8, by comprehensively considering the granularity of peanuts, the opening width of the through feed inlet, the diameter of the grain discharging wheel and the like. Proved by repeated test researches, the eccentricity is relatively small, so that the width of the feed inlet is reduced, and the result influences the smooth discharge output of peanuts; and the eccentricity is relatively too large to form an ideal dynamic space.
When the grain discharging mechanism works, the grain discharging wheel of the grain discharging mechanism can still be driven by the motor to periodically rotate forward and reversely. However, in the rotating process, the silica gel plate can effectively reduce the extrusion force between peanuts and the peanut and the shearing force between the peanut and the shell, so that breakage and crushing of peanut pods are effectively reduced, as the grain discharging mechanism is substantially changed from the prior art, the specific process is as shown in fig. 7-1 to 7-10, the grain discharging wheel rotates anticlockwise (2-5 revolutions per minute), a dynamic space formed by two adjacent rows of grain blades and the shell is taken as an analysis object, and a shaded filling part in the figure represents the flow change process of the peanut in the area (the peanut filling condition between the aggregate device and the rest blades is not shown in the figure for clearly describing the whole dynamic process):
as shown in fig. 7-1, during the anticlockwise rotation, when the grain discharging blade a is positioned below the shell interception line, a space which is temporarily empty is reserved between the adjacent grain discharging blade b and the shell;
7-2, continuing to rotate to enable the grain discharging blades a to cross the intercepting line of the shell from below, wherein openings are formed in the upper parts of the spaces formed between two adjacent grain discharging blades and the shell, and peanut materials gradually fall into the spaces from the openings;
7-3, the grain discharging wheel continuously rotates anticlockwise to enable the upper opening to be gradually increased, more peanut materials fall into the grain discharging wheel, and the space is filled completely quickly;
7-4, when the grain discharging wheel continues to rotate anticlockwise, the material of the collecting device cannot continuously fall into the dynamic space because the space is completely filled with peanut material;
the rotation of the grain discharging blade b can generate pushing force to the upper left on the materials, the peanuts of the grain collecting device can rise upwards under the action of the pushing force, the extrusion trend between the peanuts is increased, the flexible silica gel plate at the outer side of the grain discharging blade can flexibly bend and unload partial pressure, and the originally idle space below the herringbone material dividing plate of the grain collecting device can temporarily store the peanut materials pushed to rise by the grain discharging blade b, so that the extrusion and shearing damage of the peanuts are completely avoided;
7-5, continuing to rotate anticlockwise until the blade a is close to the left intersecting line of the shell, wherein a small amount of peanuts are easily damaged between the edge of the blade and the shell due to rigid extrusion, and the peanuts are prevented from being crushed by rigid compression due to deformation of the flexible silica gel plate;
as shown in fig. 7-6, the dynamic space opening formed by the grain discharging blades a and b and the shell is gradually reduced along with the continuous anticlockwise rotation, and the dynamic space is gradually increased due to the eccentric structure between the shell and the grain discharging wheel, so that the extrusion friction between the peanuts filled in the space and the peanut and between the peanut and the shell and the blades caused by the posture adjustment of the peanut in the process of rotating the grain discharging wheel is effectively reduced until the state of fig. 7-7 is reached;
as shown in fig. 7-8, an opening appears below the dynamic space formed by the grain discharging blade a, the blade b and the shell, and the opening gradually increases to the state of fig. 7-9, and peanut materials fall down to the lower conveying and lifting device until being completely discharged as shown in fig. 7-10.
Therefore, the quantitative eccentric grain discharging mechanism of the peanut circulating dryer can be combined with the material discharging wheel with the flexible buffer structure and the material guiding plate organically, friction and extrusion between peanuts and the peanuts, between the peanuts and the shell and between the peanuts and the blades are always slowed down in the whole discharging process after the peanuts are dried, the extrusion force and shearing force between the peanuts and the blades and between the shells are unloaded to the bearable range of peanut pods, breakage and crushing are effectively avoided, and smooth quantitative grain discharging is ensured. In addition, the influence on the drying effect caused by the fact that the downward flow speed of the left half bin material of the drying box is obviously delayed from that of the right half bin in the long working time drying box in the prior art can be avoided through periodical reversing, and quick and uniform drying is guaranteed.
In addition to the embodiments described above, other embodiments of the invention are possible. All technical schemes formed by equivalent substitution or equivalent transformation fall within the protection scope of the invention.
Claims (4)
1. A quantitative eccentric grain discharging mechanism for a peanut circulating dryer consists of a funnel-shaped material collecting device and a star-shaped rotary valve positioned at the bottom of the material collecting device; the method is characterized in that: a herringbone material separating plate is fixed above the bottom outlet of the material collecting device; the star-shaped rotary valve comprises a horizontal cylindrical shell, wherein the upper end and the lower end of the horizontal cylindrical shell are respectively provided with a through feed inlet and a through discharge outlet, a grain discharging wheel formed by a star-shaped rotary wheel is supported in the shell, and the rotation center of the grain discharging wheel is deviated above the circle center of the cylindrical shell; the grain discharging wheel consists of side discs positioned at two ends of the rotating shaft and circumferentially and uniformly distributed radial grain discharging blades which are fixedly connected with the side discs at two ends in the axial direction, wherein the grain discharging blades radially extend out of a silica gel plate with the outer edge flush with the outer circle of the side discs from a rigid grain discharging plate adjacent to the rotating shaft; the radius of the grain discharging wheel is adapted to the distance from the center of the rotating shaft to the intersection line of the straight-through feed inlet and the horizontal cylindrical shell;
the ratio of the eccentric distance of the rotation center of the grain discharging wheel, which deviates from the center of the cylinder shell, to the radius of the grain discharging wheel is 1:7.5-8.5.
2. The quantitative eccentric grain discharging mechanism for a peanut circulating dryer of claim 1, wherein: the straight-through discharge hole at the lower end of the cylindrical shell is provided with a downward guide plate in an inverted splayed shape.
3. The quantitative eccentric grain discharging mechanism for a peanut circulating dryer of claim 2, wherein: the grain discharging blade consists of a flexible silica gel plate which is fixedly connected with the outer side of a rigid grain discharging plate adjacent to the rotating shaft through a pressing strip and extends radially.
4. A quantitative eccentric grain discharging mechanism for a peanut circulating dryer as claimed in claim 3, wherein: the opening widths of the through feed port and the through discharge port are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811166534.6A CN108936756B (en) | 2018-10-08 | 2018-10-08 | Quantitative eccentric grain discharging mechanism for peanut circulating dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811166534.6A CN108936756B (en) | 2018-10-08 | 2018-10-08 | Quantitative eccentric grain discharging mechanism for peanut circulating dryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108936756A CN108936756A (en) | 2018-12-07 |
| CN108936756B true CN108936756B (en) | 2024-02-09 |
Family
ID=64472834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811166534.6A Active CN108936756B (en) | 2018-10-08 | 2018-10-08 | Quantitative eccentric grain discharging mechanism for peanut circulating dryer |
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| Country | Link |
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| CN (1) | CN108936756B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11555726B2 (en) | 2020-03-05 | 2023-01-17 | Cnh Industrial Canada, Ltd. | Metering system for distributing particulate material |
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| DE20316310U1 (en) * | 2003-03-21 | 2004-05-06 | Lorenz Reissl Gmbh & Co. Kg | Dosing device has feed cells located around drive shaft in star arrangement and consist at least partially of flexible material so that in operation they are deformable during their revolving in feed chamber |
| CN201567080U (en) * | 2009-09-22 | 2010-09-01 | 郑州粮食学院筒仓工程配套技术公司 | Continuous type quantitative feeder for grain elevator |
| CN202980040U (en) * | 2012-12-19 | 2013-06-12 | 郑州万谷机械有限公司 | Depression bar type flexible material discharging impeller for grain drying machine |
| CN103373610A (en) * | 2012-04-20 | 2013-10-30 | 科倍隆有限公司 | Method for operating a cellular wheel sluice and cellular wheel sluice for carrying out the method |
| CN103569687A (en) * | 2012-08-09 | 2014-02-12 | 克朗斯股份公司 | Method and device for conveying goods to be conveyed with a cellular wheel sluice |
| CN204574766U (en) * | 2015-03-09 | 2015-08-19 | 江西省鑫纬业环保设备制造有限公司 | A kind of vane type delivery device |
| CN107726839A (en) * | 2017-11-11 | 2018-02-23 | 江苏天禹农业机械有限公司 | Drier grain discharging wheel |
| CN209268697U (en) * | 2018-10-08 | 2019-08-20 | 农业部南京农业机械化研究所 | A kind of quantitative eccentric draining crop mechanism for peanut circulation dryer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101918152B (en) * | 2007-12-20 | 2013-05-08 | 尤尼威蒂恩技术有限责任公司 | Separator rotary feeder and method of using the same |
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2018
- 2018-10-08 CN CN201811166534.6A patent/CN108936756B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20316310U1 (en) * | 2003-03-21 | 2004-05-06 | Lorenz Reissl Gmbh & Co. Kg | Dosing device has feed cells located around drive shaft in star arrangement and consist at least partially of flexible material so that in operation they are deformable during their revolving in feed chamber |
| CN201567080U (en) * | 2009-09-22 | 2010-09-01 | 郑州粮食学院筒仓工程配套技术公司 | Continuous type quantitative feeder for grain elevator |
| CN103373610A (en) * | 2012-04-20 | 2013-10-30 | 科倍隆有限公司 | Method for operating a cellular wheel sluice and cellular wheel sluice for carrying out the method |
| CN103569687A (en) * | 2012-08-09 | 2014-02-12 | 克朗斯股份公司 | Method and device for conveying goods to be conveyed with a cellular wheel sluice |
| CN202980040U (en) * | 2012-12-19 | 2013-06-12 | 郑州万谷机械有限公司 | Depression bar type flexible material discharging impeller for grain drying machine |
| CN204574766U (en) * | 2015-03-09 | 2015-08-19 | 江西省鑫纬业环保设备制造有限公司 | A kind of vane type delivery device |
| CN107726839A (en) * | 2017-11-11 | 2018-02-23 | 江苏天禹农业机械有限公司 | Drier grain discharging wheel |
| CN209268697U (en) * | 2018-10-08 | 2019-08-20 | 农业部南京农业机械化研究所 | A kind of quantitative eccentric draining crop mechanism for peanut circulation dryer |
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| Publication number | Publication date |
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| CN108936756A (en) | 2018-12-07 |
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