CN117531690B - Feeding screening device of grain dryer - Google Patents
Feeding screening device of grain dryer Download PDFInfo
- Publication number
- CN117531690B CN117531690B CN202410028556.5A CN202410028556A CN117531690B CN 117531690 B CN117531690 B CN 117531690B CN 202410028556 A CN202410028556 A CN 202410028556A CN 117531690 B CN117531690 B CN 117531690B
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- inclined plate
- plate
- shaft
- classifying
- eccentric
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- 238000012216 screening Methods 0.000 title claims abstract description 34
- 239000000463 material Substances 0.000 claims description 53
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 235000013339 cereals Nutrition 0.000 description 42
- 235000013399 edible fruits Nutrition 0.000 description 13
- 241000237858 Gastropoda Species 0.000 description 8
- 230000006872 improvement Effects 0.000 description 6
- 241000209094 Oryza Species 0.000 description 5
- 235000007164 Oryza sativa Nutrition 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 235000009566 rice Nutrition 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000012548 In-process support Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005089 fruit drop Effects 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to the technical field of grain feeding screening, in particular to a feeding screening device of a grain dryer, which comprises a classifying receiving groove, wherein lifting brackets are arranged on two sides of one end of the classifying receiving groove, a worm-type rapid classifying device is fixedly connected between the two lifting brackets, a first driving motor is arranged on one lifting bracket, a double-layer vibrating screen device is arranged between the classifying receiving groove and the worm-type rapid classifying device, and an eccentric vibration adjusting device is arranged on the double-layer vibrating screen device. The feeding screening device of the grain dryer optimizes the existing grain screening process, is not easy to generate blockage risk in the using process, and can screen various sundries at one time.
Description
Technical Field
The invention relates to the technical field of grain feeding screening, in particular to a feeding screening device of a grain dryer.
Background
The feeding screening device of the grain dryer is used for screening impurities and unqualified grains in the grain drying process, and mainly aims to remove the impurities, dust, broken stones, unfull grains and the like in the grains so as to ensure the quality and the drying effect of the grains;
the feeding screening device of the common grain dryer is usually completed by matching a vibrating screen and an air separation device, the vibrating screen is a common screening device and consists of a screen and a vibrating motor, grains enter from the upper part of the screen, the screen vibrates under the drive of the vibrating motor, impurities and unqualified grains in the grains fall down through screen holes, the qualified grains remain on the screen, the air separation device separates light impurities in the grains by utilizing the buoyancy of air flow, the grains enter from the upper part of the air separation device, the air flow blows in from the lower part, the light impurities are taken away by the air flow, and heavier grains fall down;
in the actual production process, because the foreign matters in grains are more and miscellaneous, the grain quality can be ensured by repeatedly using the two screening devices for screening, the process of repeated carrying causes waste on larger time cost and labor cost, and the conventional vibrating screen machine is mainly of a multilayer screen longitudinally-arranged distribution structure, and the vibrating screen machine is driven by vibration of a lower vibrating motor in the vertical direction in the vibrating process, so that the multilayer screen is easy to block in the using process.
Disclosure of Invention
The invention aims to solve the problems, and provides the feeding screening device of the grain dryer, which optimizes the existing grain screening flow, is not easy to cause blockage risk in the using process, and can screen various sundries at one time.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the feeding screening device of the grain dryer comprises a classifying receiving groove, wherein lifting brackets are arranged on two sides of one end of the classifying receiving groove, a worm type rapid classifying device is fixedly connected between the two lifting brackets, a first driving motor is arranged on one lifting bracket, a double-layer vibrating screen device is arranged between the classifying receiving groove and the worm type rapid classifying device, and an eccentric vibration adjusting device is arranged on the double-layer vibrating screen device;
the double-deck sieve device that shakes includes first hang plate, be equipped with a plurality of evenly distributed's first weeping hole on the first hang plate, first hang plate high end is located the quick sorter below of snail type, first hang plate high end is equipped with the second driving motor, second driving motor both ends are equipped with the driving shaft, two driving shaft and eccentric vibration adjusting device's one side fixed connection, first hang plate below is equipped with the second hang plate, be equipped with a plurality of evenly distributed's second weeping hole on the second hang plate, the high end of second hang plate is located the low end below of first hang plate, the bottom of second hang plate is located the high end below of first hang plate, the tip of the high end of second hang plate does not exceed the tip outside of first hang plate on the horizontal direction, first hang plate both sides are equipped with a plurality of vertical installation's first fixed otic placode, second hang plate both sides are equipped with a plurality of vertical installation's second fixed otic placode, be located first hang plate high end and second hang plate are located the second hang plate are equipped with the second hang plate, the second hang plate is located the second hang plate is equipped with the second hang plate, the rotation axis is located between the second hang plate and is equipped with the second hang plate and is located the second hang plate to be equipped with the rotation axis between the second hang plate, the second hang plate is located the second hang plate.
As an improvement, the eccentric vibration adjusting device comprises a rotary table fixedly connected with the driving shaft, an eccentric shaft groove is formed in one side of the rotary table, a threaded rod is rotatably connected in the eccentric shaft groove, a rotary handle is arranged at one end of the threaded rod, which is exposed out of the rotary table, a thread bush in threaded connection with the threaded rod is arranged in the eccentric shaft groove, an eccentric shaft is fixedly connected with one end of the eccentric shaft groove, and the eccentric shaft is rotatably connected with one end of the supporting connecting rod.
As an improvement, the first material leakage hole and the second material leakage hole are inclined holes, the direction is vertical downwards, and the diameter of the first material leakage hole is larger than that of the second material leakage hole.
As an improvement, the quick classification device of snail type comprises a snail type shell, a driving shaft is arranged in the snail type shell, a first driving motor drives the driving shaft to rotate, two hopper assemblies which are arranged in the snail type shell and distributed in parallel are arranged at two ends of the driving shaft, a material guiding plate is arranged at the bottom end of an outlet of the snail type shell, a material distributing plate is arranged in the middle of the outlet of the snail type shell, and a material inlet is arranged above one end of the snail type shell far away from the material distributing plate.
As an improvement, the material guiding plate extends to the upper side of the second inclined plate, and the material separating plate extends to the upper side of the first inclined plate.
As an improvement, the feeding hopper assembly comprises a driven shaft sleeve matched with the driving shaft, a plurality of evenly distributed hoppers are arranged on the driven shaft sleeve, and the hopper grooves of the hoppers face to the outlet of the volute.
As an improvement, the classification material collecting groove comprises a first material collecting groove positioned right below the second inclined plate, one end of the first material collecting groove is provided with a second material collecting groove positioned below the lower end of the second inclined plate, and the other end of the first material collecting groove is provided with a third material collecting groove positioned below the bottom end of the first inclined plate.
After adopting the structure, the invention has the following advantages:
1. through the cooperation among the classifying material receiving groove, the double-layer vibrating screen device, the worm-type rapid classifying device and the feeding hopper component, the unscreened grains can be screened between various foreign matters and full fruits at one time under the condition of no need of manual carrying, so that the operation efficiency is greatly improved, and the time cost and the labor cost are reduced;
2. the double-layer vibrating screen device is arranged, and the double-layer vibrating screen is realized through the cooperation among the first inclined plate, the second inclined plate, the first fixed lug plate, the second elastic connecting plate, the first elastic connecting plate, the second driving motor, the shaft bracket, the driving shaft, the rotating shaft, the first material leakage hole, the second material leakage hole and the supporting connecting rod, so that the double-layer vibrating screen is simple in structure, easy to maintain, not easy to block in an open structure, and can screen a plurality of different foreign matters through the cooperation of the worm-type rapid classifying device;
3. the double-layer vibrating screen device is provided with an eccentric vibration adjusting device, and the vibration frequency and amplitude can be adjusted by the cooperation among the turntable, the eccentric shaft groove, the threaded rod, the rotary handle, the eccentric shaft and the threaded sleeve;
the device is provided with a worm-type rapid classifying device, and the different weights of foreign matters in grains are screened by matching between a worm-type shell, a material distributing plate, a material guiding plate, a material inlet, a driving shaft and a material feeding hopper assembly.
Drawings
Fig. 1 is a schematic view showing a structure of a feed screening apparatus of a grain dryer according to the present invention.
FIG. 2 is a second schematic view of a feed screening apparatus of a grain dryer according to the present invention.
Fig. 3 is a schematic structural view of a double-layer vibrating screen device of a feed screening device of a grain dryer according to the present invention.
Fig. 4 is an exploded view of a double-layer vibrating screen device of a feed screening device of a grain dryer according to the present invention.
Fig. 5 is a schematic structural view of an eccentric vibration adjusting device of a feed screening device of a grain dryer according to the present invention.
Fig. 6 is a structural exploded view of an eccentric vibration adjusting device of a feed screening device of a grain dryer according to the present invention.
Fig. 7 is a schematic structural view of a portion of a feed screening apparatus of a grain dryer according to the present invention.
Fig. 8 is a schematic structural view of a worm-type rapid classifying device of a feed screening device of a grain dryer according to the present invention.
Fig. 9 is a schematic structural view of a hopper assembly of a feed screening apparatus of a grain dryer according to the present invention.
Fig. 10 is a schematic view showing the structure of a feed screening apparatus of a grain dryer in an operating state of the invention.
As shown in the figure: 1. classifying and collecting the material groove; 101. a first receiving trough; 102. a second material receiving groove; 103. a third material receiving groove; 2. a double-layer vibrating screen device; 201. a first inclined plate; 202. a second inclined plate; 203. a first fixed ear plate; 204. a second fixed ear plate; 205. a second elastic connection plate; 206. a first elastic connection plate; 207. a second driving motor; 208. a shaft bracket; 209. a driving shaft; 210. a rotation shaft; 211. a first weeping hole; 212. a second weeping hole; 213. a support connecting rod; 3. elevating the support; 4. a worm-type rapid classifying device; 401. a volute casing; 402. a material dividing plate; 403. a material guide plate; 404. a feed inlet; 405. a drive shaft; 5. a first driving motor; 6. an eccentric vibration adjusting device; 601. a turntable; 602. an eccentric shaft groove; 603. a threaded rod; 604. rotating the handle; 605. an eccentric shaft; 606. a thread sleeve; 7. a hopper assembly; 701. a driven shaft sleeve; 702. and (3) a hopper.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 10, a feeding screening device of a grain dryer includes a sorting receiving tank 1, the sorting receiving tank 1 includes a first receiving tank 101 located right below a second inclined plate 202, one end of the first receiving tank 101 is provided with a second receiving tank 102 located below a lower end of the second inclined plate 202, and the other end of the first receiving tank 101 is provided with a third receiving tank 103 located below a bottom end of the first inclined plate 201.
With this structure, the first receiving tank 101 is used for collecting the grain to be dried, the second receiving tank 102 is used for collecting the obsolete foreign matters sliding from the second inclined plate 202, and the third receiving tank 103 is used for collecting the obsolete foreign matters sliding from the first inclined plate 201 and thrown out from the outlet of the volute 401.
Referring to fig. 2, fig. 7, fig. 8 and fig. 9, two lifting brackets 3 are arranged at two sides of one end of the classifying and receiving tank 1, two quick classifying devices 4 are fixedly connected between the two lifting brackets 3, one of the quick classifying devices 4 comprises a worm-shaped shell 401, a driving shaft 405 is arranged in the worm-shaped shell 401, the driving shaft 405 is driven by the first driving motor 5 to rotate, two hopper assemblies 7 which are distributed in parallel and are positioned in the worm-shaped shell 401 are arranged at two ends of the driving shaft 405, a guide plate 403 is arranged at the bottom end of an outlet of the worm-shaped shell 401, a distributing plate 402 is arranged in the middle of the outlet of the worm-shaped shell 401, and a feeding port 404 is arranged above one end of the worm-shaped shell 401, which is far away from the distributing plate 402. The guide plate 403 extends above the second inclined plate 202, and the separating plate 402 extends above the first inclined plate 201. The hopper assembly 7 comprises a driven shaft sleeve 701 matched with the driving shaft 405, wherein a plurality of evenly distributed hoppers 702 are arranged on the driven shaft sleeve 701, and the hopper grooves of the hoppers 702 face to the outlet of the volute 401.
Through this structure, the grain that does not sieve gets into volute casing 401 bottom from feed inlet 404, first driving motor 5 drives drive shaft 405 and rotates, and drive shaft 405 drives hopper assembly 7 and rotate, two hopper assembly 7 rotates the back, and the grain that does not sieve in the hopper 702 produces centrifugal motion when being close volute casing 401 exit under the drive of drive shaft 405, and debris such as heavier stone throws to the distance from the feed divider 402 top, and full fruit slides out along feed divider 402 from feed divider 402 top, and debris such as lighter rice husk and rice ear slide out along feed guide 403 from feed divider 402 below, plays the effect of different debris of quick screening from this.
Referring to fig. 1, 3, and 4, a double-layer vibrating screen device 2 is disposed between the classifying receiving chute 1 and the scroll-type rapid classifying device 4, the double-layer vibrating screen device 2 includes a first inclined plate 201, a plurality of uniformly distributed first material leakage holes 211 are disposed on the first inclined plate 201, the high end of the first inclined plate 201 is disposed below the scroll-type rapid classifying device 4, a second driving motor 207 is disposed at the high end of the first inclined plate 201, driving shafts 209 are disposed at two ends of the second driving motor 207, two driving shafts 209 are fixedly connected with one side of the eccentric vibration adjusting device 6, a second inclined plate 202 is disposed below the first inclined plate 201, a plurality of uniformly distributed second material leakage holes 212 are disposed on the second inclined plate 202, the high end of the second inclined plate 202 is disposed below the low end of the first inclined plate 201, the bottom end of the second inclined plate 202 is disposed below the high end of the first inclined plate 201, the end of the high end of the second inclined plate 202 in the horizontal direction does not exceed the outer side of the end of the low end of the first inclined plate 201, a plurality of first fixed lugs 203 which are vertically installed are arranged on two sides of the first inclined plate 201, a plurality of second fixed lugs 204 which are vertically installed are arranged on two sides of the second inclined plate 202, a first elastic connecting plate 206 is arranged between the first fixed lugs 203 which are positioned on the high end of the first inclined plate 201 and the second fixed lugs 204 which are positioned on the low end of the second inclined plate 202, a second elastic connecting plate 205 is arranged between the first fixed lugs 203 which are positioned on the low end of the first inclined plate 201 and the second fixed lugs 204 which are positioned on the high end of the second inclined plate 202, a shaft bracket 208 is arranged at one end of the second inclined plate 202 close to the second elastic connecting plate 205, and a rotating shaft 210 is rotatably connected to the shaft bracket 208, the rotary shaft 210 and the eccentric vibration adjusting device 6 are provided with support connecting rods 213 with two ends rotatably connected, the second inclined plate 202 is supported on the classifying receiving chute 1 through a connecting plate, the first material leakage holes 211 and the second material leakage holes 212 are inclined holes, the direction is vertical downwards, and the diameter of the first material leakage holes 211 is larger than that of the second material leakage holes 212.
Through this structure, start second driving motor 207, second driving motor 207 drives driving shaft 209 and rotates, thereby drive eccentric vibration adjusting device 6 and rotate, because eccentric vibration adjusting device 6 has certain eccentricity, make the periodic increase of distance between driving shaft 209 and the rotation axis 210 reduce when eccentric vibration adjusting device 6 rotates, because support connecting rod 213 has certain rigidity, the in-process support connecting rod 213 length that the distance between driving shaft 209 and the rotation axis 210 increased or reduced is unchangeable, thereby make first elastic connecting plate 206 and second elastic connecting plate 205 take place periodic deformation, and then make tremble between first inclined plate 201 and the second inclined plate 202, thereby play the sieve effect, first feed leakage hole 211 and second feed leakage hole 212 are the inclined hole, the direction is vertical downwards, the fruit drops easily, be favorable to preventing the jam, compared with prior art, the effect is showing and simple structure is clear, maintenance cost is low.
Referring to fig. 4, 5 and 6, the double-layer vibrating screen device 2 is provided with an eccentric vibration adjusting device 6, the eccentric vibration adjusting device 6 includes a rotary table 601 fixedly connected with a driving shaft 209, one side of the rotary table 601 is provided with an eccentric shaft groove 602, a threaded rod 603 is rotatably connected with the eccentric shaft groove 602, one end of the threaded rod 603 exposed out of the rotary table 601 is provided with a rotary handle 604, a threaded sleeve 606 in threaded connection with the threaded rod 603 is arranged in the eccentric shaft groove 602, one end of the threaded sleeve 606 exposed out of the eccentric shaft groove 602 is fixedly connected with an eccentric shaft 605, and the eccentric shaft 605 is rotatably connected with one end of the supporting connecting rod 213.
Rotating the rotary handle 604 drives the threaded rod 603 to rotate, thereby adjusting the eccentricity of the eccentric shaft 605, and further adjusting the period of the distance change between the driving shaft 209 and the rotary shaft 210 by this structure, and further adjusting the frequency of the tremble between the first inclined plate 201 and the second inclined plate 202.
In the implementation of the invention, with reference to fig. 10, the first driving motor 5 and the second driving motor 207 are started to operate the device, so that grains are introduced into the volute 401 from the feed inlet 404, when the unscreened grains fall into the bottom of the volute 401, as shown by the H line in fig. 10, the hopper 702 is driven by the driving shaft 405 to drive the grains with the unscreened bottom to rotate in the volute 401, as shown by the I line in fig. 10, and when the hopper 702 approaches to the outlet of the volute 401, the unscreened grains centrifugally move;
specific example 1: the filled fruits and sundries with the mass equivalent to the filled fruits slide out from the upper part of the material separating plate 402 and fall onto the first inclined plate 201, as shown by the line A in fig. 10, wherein the sundries with the mass equivalent to the filled fruits and the density smaller and the volume larger slide into the third material collecting groove 103 from the first inclined plate 201, as shown by the line C in fig. 10, the filled fruits and the sundries with the mass equivalent to the filled fruits fall onto the second inclined plate 202 through the first material leaking holes 211, as shown by the line B in the diagram, the filled fruits fall into the first material collecting groove 101 through the second material leaking holes 212, as shown by the line E in fig. 10, wherein the inner glumes (inner scales) and the outer glumes (outer glumes) of the non-filled fruits of rice cannot be tightly wrapped after being damaged due to the larger volumes, as shown by the line D in fig. 10, and the non-filled fruits slide into the second inclined plate 202;
specific example 2: foreign matter, such as stones, heavier than the filled fruit by a substantial amount are thrown away by the hopper 702 under the centrifugal action and fall into the third receiving tank 103, as indicated by the line K in fig. 10;
specific example 3: foreign matters, such as rice hull weeds, which are lighter than the filled fruits, are thrown out by the hopper 702 under the centrifugal action, slide out along the guide plate 403 from the lower part of the distributing plate 402, fall onto the second inclined plate 202, such as the line F in fig. 10, pass through the screening of the second leaking holes 212, so that the filled fruits mixed in the foreign matters, such as rice hull weeds, fall into the first receiving groove 101 from the second leaking holes 212, such as the line G in fig. 10, and slide into the second receiving groove 102 along the second inclined plate 202, such as the line D in fig. 10.
The invention and its embodiments have been described above without limitation, and the actual construction is not limited thereto. In general, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical scheme are not creatively designed without departing from the gist of the present invention, and all the structural manners and the embodiments are considered to be within the protection scope of the present invention.
Claims (5)
1. The utility model provides a grain drying-machine's feeding sieving mechanism, it is including categorised material receiving groove (1), categorised material receiving groove (1) one end both sides are equipped with lifting support (3), its characterized in that: a worm-type rapid classification device (4) is fixedly connected between the two lifting brackets (3), a first driving motor (5) is arranged on one lifting bracket (3), a double-layer vibrating screen device (2) is arranged between the classification receiving chute (1) and the worm-type rapid classification device (4), and an eccentric vibration adjusting device (6) is arranged on the double-layer vibrating screen device (2);
the double-layer vibrating screen device (2) comprises a first inclined plate (201), a plurality of uniformly distributed first material leakage holes (211) are formed in the first inclined plate (201), the high end of the first inclined plate (201) is located below a worm-type rapid classifying device (4), a second driving motor (207) is arranged at the high end of the first inclined plate (201), driving shafts (209) are arranged at two ends of the second driving motor (207), two driving shafts (209) are fixedly connected with one side of an eccentric vibration adjusting device (6), a second inclined plate (202) is arranged below the first inclined plate (201), a plurality of uniformly distributed second material leakage holes (212) are formed in the second inclined plate (202), the high end of the second inclined plate (202) is located below the low end of the first inclined plate (201), the bottom end of the second inclined plate (202) is located below the high end of the first inclined plate (201), the end of the high end of the second inclined plate (202) is not higher than the first lug of the first inclined plate (201), a plurality of vertical inclined plates (204) are arranged at two sides of the first inclined plate (201), a first elastic connecting plate (206) is arranged between a first fixed lug plate (203) positioned at the high end of the first inclined plate (201) and a second fixed lug plate (204) positioned at the low end of the second inclined plate (202), a second elastic connecting plate (205) is arranged between the first fixed lug plate (203) positioned at the low end of the first inclined plate (201) and the second fixed lug plate (204) positioned at the high end of the second inclined plate (202), a shaft bracket (208) is arranged at one end, close to the second elastic connecting plate (205), of the second inclined plate (202), a rotating shaft (210) is rotatably connected to the shaft bracket (208), and a supporting connecting rod (213) with two ends rotatably connected is arranged between the rotating shaft (210) and the eccentric vibration adjusting device (6), and the second inclined plate (202) is supported on the classifying receiving groove (1) through the connecting plate;
the quick classifying device (4) comprises a volute casing (401), a driving shaft (405) is arranged in the volute casing (401), a first driving motor (5) drives the driving shaft (405) to rotate, two hopper assemblies (7) which are arranged in the volute casing (401) and distributed in parallel are arranged at two ends of the driving shaft (405), a material guide plate (403) is arranged at the bottom end of an outlet of the volute casing (401), a material separating plate (402) is arranged in the middle of an outlet of the volute casing (401), and a material inlet (404) is formed in the volute casing (401) above one end far away from the material separating plate (402);
the material guiding plate (403) extends to the upper side of the second inclined plate (202), and the material separating plate (402) extends to the upper side of the first inclined plate (201).
2. The feed screening device of a grain dryer of claim 1, wherein: eccentric vibration adjusting device (6) include carousel (601) with driving shaft (209) fixed connection, carousel (601) one side is equipped with eccentric shaft groove (602), eccentric shaft groove (602) swivelling joint has threaded rod (603), threaded rod (603) expose carousel (601) one end and are equipped with rotatory handle (604), be equipped with in eccentric shaft groove (602) with threaded rod (603) threaded connection's thread bush (606), thread bush (606) expose eccentric shaft groove (602) one end fixedly connected with eccentric shaft (605), eccentric shaft (605) and the one end swivelling joint of support connecting rod (213).
3. The feed screening device of a grain dryer of claim 1, wherein: the first material leakage holes (211) and the second material leakage holes (212) are inclined holes, the direction is vertical downwards, and the diameter of the first material leakage holes (211) is larger than that of the second material leakage holes (212).
4. The feed screening device of a grain dryer of claim 1, wherein: the feeding hopper assembly (7) comprises a driven shaft sleeve (701) matched with the driving shaft (405), a plurality of evenly distributed hoppers (702) are arranged on the driven shaft sleeve (701), and the hopper grooves of the hoppers (702) face to the outlet of the volute casing (401).
5. The feed screening device of a grain dryer of claim 1, wherein: the classifying and collecting trough (1) comprises a first collecting trough (101) positioned right below a second inclined plate (202), one end of the first collecting trough (101) is provided with a second collecting trough (102) positioned below the lower end of the second inclined plate (202), and the other end of the first collecting trough (101) is provided with a third collecting trough (103) positioned below the bottom end of the first inclined plate (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410028556.5A CN117531690B (en) | 2024-01-09 | 2024-01-09 | Feeding screening device of grain dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410028556.5A CN117531690B (en) | 2024-01-09 | 2024-01-09 | Feeding screening device of grain dryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117531690A CN117531690A (en) | 2024-02-09 |
| CN117531690B true CN117531690B (en) | 2024-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410028556.5A Active CN117531690B (en) | 2024-01-09 | 2024-01-09 | Feeding screening device of grain dryer |
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| CN (1) | CN117531690B (en) |
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|---|---|---|---|---|
| FR45217E (en) * | 1934-06-02 | 1935-07-17 | Grain cleaning machine | |
| DE803691C (en) * | 1949-10-07 | 1951-04-09 | Westfalia Dinnendahl Groeppel | Vibrating sieve |
| CN209631612U (en) * | 2018-11-30 | 2019-11-15 | 青岛农业大学 | One kind cleaning exclusion device for peanut pod |
| CN217550063U (en) * | 2022-05-18 | 2022-10-11 | 天瑞恒(北京)矿业设备有限公司 | High-efficiency magnetic separator |
| CN217569591U (en) * | 2022-04-15 | 2022-10-14 | 连炳华 | Vibration sorting device of copper rice machine |
| CN218251526U (en) * | 2022-07-13 | 2023-01-10 | 真木农业设备（安徽）有限公司 | Impurity-removing fast-screening agricultural machine for grains |
| CN219150708U (en) * | 2022-12-26 | 2023-06-09 | 北奇神集团大兴安岭新林绿色产业有限责任公司 | Edible mushroom sorting device |
| CN219210689U (en) * | 2023-02-18 | 2023-06-20 | 顺平县鸿旭机械设备有限公司 | Material separation specific gravity separator |
-
2024
- 2024-01-09 CN CN202410028556.5A patent/CN117531690B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR45217E (en) * | 1934-06-02 | 1935-07-17 | Grain cleaning machine | |
| DE803691C (en) * | 1949-10-07 | 1951-04-09 | Westfalia Dinnendahl Groeppel | Vibrating sieve |
| CN209631612U (en) * | 2018-11-30 | 2019-11-15 | 青岛农业大学 | One kind cleaning exclusion device for peanut pod |
| CN217569591U (en) * | 2022-04-15 | 2022-10-14 | 连炳华 | Vibration sorting device of copper rice machine |
| CN217550063U (en) * | 2022-05-18 | 2022-10-11 | 天瑞恒(北京)矿业设备有限公司 | High-efficiency magnetic separator |
| CN218251526U (en) * | 2022-07-13 | 2023-01-10 | 真木农业设备（安徽）有限公司 | Impurity-removing fast-screening agricultural machine for grains |
| CN219150708U (en) * | 2022-12-26 | 2023-06-09 | 北奇神集团大兴安岭新林绿色产业有限责任公司 | Edible mushroom sorting device |
| CN219210689U (en) * | 2023-02-18 | 2023-06-20 | 顺平县鸿旭机械设备有限公司 | Material separation specific gravity separator |
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| CN117531690A (en) | 2024-02-09 |
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