CN115106285B - Edible bean vibrating screen mechanism - Google Patents
Edible bean vibrating screen mechanism Download PDFInfo
- Publication number
- CN115106285B CN115106285B CN202210701962.4A CN202210701962A CN115106285B CN 115106285 B CN115106285 B CN 115106285B CN 202210701962 A CN202210701962 A CN 202210701962A CN 115106285 B CN115106285 B CN 115106285B
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- receiving section
- screen
- impurities
- material receiving
- output end
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- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 244000046052 Phaseolus vulgaris Species 0.000 title claims abstract description 24
- 235000010627 Phaseolus vulgaris Nutrition 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 85
- 239000012535 impurity Substances 0.000 claims abstract description 75
- 230000000737 periodic effect Effects 0.000 claims abstract description 10
- 238000007790 scraping Methods 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000109 continuous material Substances 0.000 abstract description 4
- 240000006677 Vicia faba Species 0.000 description 8
- 235000010749 Vicia faba Nutrition 0.000 description 8
- 235000002098 Vicia faba var. major Nutrition 0.000 description 8
- 230000006872 improvement Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 230000007306 turnover Effects 0.000 description 5
- 235000013339 cereals Nutrition 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004464 cereal grain Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 235000021332 kidney beans Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 235000012015 potatoes Nutrition 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/02—Disintegrating by knives or other cutting or tearing members which chop material into fragments with reciprocating knives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/16—Mills provided with vibrators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
-
- 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
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- 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
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
Abstract
The invention discloses an edible bean vibrating screen mechanism, wherein a screen body comprises a bottom plate inclined from an input end to an output end, side plates surrounding three sides of the bottom plate and a discharge hopper positioned at an outlet end of the bottom plate, the bottom plate is continuously provided with a plurality of material receiving sections along the conveying direction of materials, each material receiving section is arranged such that the output end is lower than the input end, the input end of the subsequent material receiving section is higher than the output end of the previous material receiving section, a plurality of continuous material receiving spaces with angular sections are further formed, the plurality of material receiving sections adapt to periodic jolting of the screen body, and the materials are conveyed from the previous material receiving section to the subsequent material receiving section until being output from the discharge hopper during one jolting; the bottom of the output end of the receiving section is provided with a sieve mesh, a receiving cavity is arranged below the sieve mesh, the receiving cavity is externally connected with an exhaust fan through a pipeline, and impurities at the bottom of the receiving section are pumped and collected through the sieve mesh when the exhaust fan works. The invention further improves the collection efficiency of impurities and ensures the yield of subsequent material collection.
Description
Technical Field
The invention relates to agricultural machinery equipment, in particular to an edible bean vibrating screen mechanism.
Background
The edible beans are one of three human edible crops (cereal, edible beans and potatoes), and the quantity of the edible beans in the grain crops is inferior to that of cereal grains, so that the edible beans play an important role in guaranteeing the grain safety. The shape of most bean seeds is irregular, the geometric size difference is extremely large, especially, in the mechanical harvesting process of abnormal seeds such as broad beans, kidney beans and the like and bean seeds with high water content, the damage and loss of the seeds are extremely high, and the comprehensive loss rate (crushing, cutting table and entrainment loss) of part of the machine types is higher than 30%.
The applicant has filed patent number 202110849682.3 before and named an invention patent of a wind speed type broad bean combine harvester, wherein a vibrating screen is disclosed, the vibrating screen forms a unique jump winnowing when a screen body moves by means of the inclination angle of the vibrating screen through a driving mechanism arranged on the vibrating screen, the jump winnowing sends broad bean seeds to an outlet and effectively screens the broad bean seeds from magazines, screened impurities are pumped by an upper large fan, but a small amount of impurities with large weight and difficult to be pumped are collected along with the broad bean seeds entering a follow-up mechanism, the impurities influence color formation of the final broad bean seeds, and workers are required to screen the impurities manually, so that labor and labor cost are increased.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the edible bean vibrating screen mechanism, wherein a vibrating screen matched with the vibrating screen is further provided with a screening structure at the lower part, so that heavy impurities are screened out, the yield of final grain collection is improved, and the possibility of subsequent manual screening of impurities is reduced.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an edible bean vibrating screen mechanism, includes the screen frame, the lower extreme of first connecting rod of input articulated of screen frame, the lower extreme of second connecting rod of output articulated of screen frame, the upper end of first connecting rod and second connecting rod articulates on the frame, the lower extreme of first connecting rod articulates with a long connecting rod, the other end of long connecting rod is connected to an eccentric wheel, the screen frame carries out periodic dustpan when the eccentric wheel rotates, material on the screen frame is sent to the output from the input; the screen body comprises a bottom plate inclined from an input end to an output end, side plates surrounding three sides of the bottom plate and a discharge hopper positioned at an outlet end of the bottom plate, wherein the bottom plate is continuously provided with a plurality of material receiving sections along the conveying direction of materials, each material receiving section is arranged such that the output end is lower than the input end, the input end of the next material receiving section is higher than the output end of the previous material receiving section, a plurality of continuous material receiving spaces with angular sections are further formed, the plurality of material receiving sections adapt to periodic dustpan of the screen body, and the materials are conveyed from the previous material receiving section to the next material receiving section until being output from the discharge hopper during one dustpan; the bottom of the output end of the receiving section is provided with a sieve mesh, a receiving cavity is arranged below the sieve mesh, the receiving cavity is externally connected with an exhaust fan through a pipeline, and impurities at the bottom of the receiving section are pumped and collected through the sieve mesh when the exhaust fan works.
As an improvement, the bottom of the output end of the receiving section is also provided with a grid scraper which is correspondingly paved above the sieve holes, and the grid scraper is connected with a driving mechanism to reciprocate, so that the grid scraper and the sieve holes are sheared in a reciprocating manner, and impurities are stirred through the grid scraper and cut when falling to the sieve holes.
As an improvement, the driving mechanism comprises a motor, a driving shaft and a driving gear, wherein the motor is arranged on the outer side of the screen body, the driving shaft is connected with the motor and is arranged on the side edge of the bottom plate along the conveying direction of the screen body, the driving gear is arranged on the driving shaft, the number and the positions of the driving gears correspond to those of the grid scraping plates, and one side of the grid scraping plates extends out of the screen body and is provided with racks for meshed transmission with the driving gear.
As an improvement, the exhaust fan is arranged above the output end of the sieve body, and is used for upwards pumping and collecting impurities on the sieve body at the covering position of the exhaust fan.
As an improvement, the screen body covered by the exhaust fan is provided with a plurality of baffle rods at intervals along the conveying direction of the materials, the baffle rods are vertical to the conveying direction of the materials, and the baffle rods are positioned above the connecting positions of the front material receiving section and the rear material receiving section and used for blocking the materials so as to stir the passed materials.
As an improvement, the air exhauster includes fan body, first air inlet chamber, second air inlet chamber and horizontal ventilation chamber, the opening in first air inlet chamber is arranged just to the screen frame downwards, the opening lateral arrangement in second air inlet chamber is to external connecting line intercommunication to accepting the chamber, first air inlet chamber and second air inlet chamber assemble to horizontal ventilation chamber and lead to horizontal fan body, set up the filter screen that is used for blocking impurity on the fan body, and set up the collection chamber that is used for collecting impurity in the below that horizontal ventilation chamber corresponds the filter screen, the oral area setting in collection chamber is the roll-over door that overturns down and opens and close.
The invention has the beneficial effects that through the design of a specific screen body structure and the periodic winnowing of the vibrating screen, the materials on the screen body can be orderly conveyed to the output end, and the materials can be effectively turned over in each material receiving space, so that the impurities in the materials are extruded and crushed in the process of turning over and stirring, and the materials are more beneficial to being pumped and collected by an exhaust fan arranged above the output end in the prior art; on the other hand, impurities which cannot be broken and have large weight can be pumped away and collected by an exhaust fan at the sieve pore when reaching the bottom of each receiving section; the receiving section of multistage has guaranteed that the impurity is fully extruded broken or arrive sieve mesh department in the transportation process, improves the success rate that impurity got rid of, makes the impurity that the material that exports from the discharge hopper mix with less, improves the yield after the follow-up material is edible beans are collected, reduces the possibility of follow-up manual sieve impurity.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic longitudinal sectional view and a partially enlarged view of the screen body of the present invention.
Fig. 3 is a schematic view of the structure of the screen holes and the grid blades of the present invention.
Fig. 4 is a schematic view of the structure of the grid blade and the driving mechanism of the present invention.
Fig. 5 is a schematic structural view of the exhaust fan of the present invention.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, 4 and 5, the embodiment of the edible bean vibrating screen mechanism of the present invention comprises a screen body 1, wherein the input end of the screen body 1 is hinged with the lower end of a first connecting rod 11, the output end of the screen body 1 is hinged with the lower end of a second connecting rod 12, the upper ends of the first connecting rod 11 and the second connecting rod 12 are hinged on a frame, the lower end of the first connecting rod 11 is hinged with a long connecting rod 13, the other end of the long connecting rod 11 is connected with an eccentric wheel 14, the screen body 1 performs periodic vibration when the eccentric wheel 14 rotates, and materials on the screen body 1 are sent from the input end to the output end; the screen body 1 comprises a bottom plate 2 which is inclined from an input end to an output end, side plates 3 which surround three sides of the bottom plate 2, and a discharge hopper 4 which is positioned at an outlet end of the bottom plate 2, wherein the bottom plate 2 is continuously provided with a plurality of material receiving sections 21 along the conveying direction of materials, each material receiving section 21 is arranged that the output end is lower than the input end, the input end of the next material receiving section 21 is higher than the output end of the previous material receiving section 21, a plurality of continuous material receiving spaces 22 with angular sections are further formed, the plurality of material receiving sections 21 adapt to periodic dustpan of the screen body 1, and materials are conveyed from the previous material receiving section 21 to the next material receiving section 21 until being output from the discharge hopper 4 during one dustpan; the bottom of the output end of the receiving section 21 is provided with a sieve mesh 23, a receiving cavity 24 is arranged below the sieve mesh 23, the receiving cavity 24 is externally connected with the exhaust fan 5 through a pipeline, and impurities at the bottom of the receiving section 21 are pumped and collected through the sieve mesh 23 when the exhaust fan 5 works.
When the pneumatic conveying type broad bean combine harvester is used, the whole edible bean combine harvester can refer to the patent of the invention filed by the applicant, the patent number is 202110849682.3, the name is an invention patent of the pneumatic conveying type broad bean combine harvester, and the patent number is 202110783112.9. According to the invention, a threshing mechanism is connected above the input end of the sieve body 1, the threshing mechanism separates edible bean seeds (hereinafter referred to as materials) from bean pod shells (hereinafter referred to as impurities), the periodic shaking state of the sieve body 1 refers to the prior invention patent of the applicant, namely, the sieve body 1 is hinged by a first connecting rod 11 and a second connecting rod 12 to keep a dustable structure, the eccentric wheel 14 is driven to rotate by a driving motor, the eccentric wheel 14 drives a long connecting rod 11 to periodically swing, and then the first connecting rod 11, namely, the input end of the sieve body 1, is driven to shake, and the materials and the impurities are periodically conveyed to the output end. As an improvement, a plurality of continuous material receiving sections 21 adapt to the vibration amplitude of the sieve body 1, so that materials and impurities in the previous material receiving space 22 can be conveyed to the subsequent material receiving space 22 by vibration when the sieve body 1 is in vibration; the material and impurity are dusted the in-process of stirring because of the difference in height that material receiving space 22 exists around, produce stirring's effect, make material and impurity carry out effectual position change, the impurity can be broken by effectual extrusion at this in-process, and impurity is turned on the one hand, and on the other hand impurity size diminishes, and the air exhauster that screen frame 1 output top set up just can more effectually take away impurity and collect. Some heavy impurities can not be effectively turned over in the whole conveying process, but only the bottom of the material receiving section 21 moves forward along with the winnowing, the impurities can be pumped and collected by the exhaust fan 5 at the sieve holes 23 when reaching the bottom of each material receiving section 21, the multi-section material receiving section 2 ensures that the impurities are fully extruded and crushed in the conveying process or reach the sieve holes 23, the success rate of impurity removal is improved, the impurities mixed with the materials output from the material discharging hopper 4 are fewer, the materials fall into the horizontal air pipe 01, the materials are blown to the conveying pipeline 02 at the other side by the blower 0 at one side of the horizontal air pipe 01, the conveying pipeline 02 is vertically arranged, the storage bin 03 is arranged above the material receiving section, the final collection of the materials can be well realized by virtue of wind force, the impurity removal efficiency is further improved by virtue of the further structural design of the vibrating screen mechanism, the yield of the finally collected materials is improved, and the possibility of subsequent artificial screening of the impurities is reduced. Further, the receiving cavities 24 arranged below the sieve holes 23 can be used for collecting and conveying impurities, and the plurality of receiving cavities 24 can be connected to the exhaust fan 5 through side outward connecting pipelines and then can be used for completing impurity adsorption and collection at all exhaust positions by one power source.
As an improved specific embodiment, the bottom of the output end of the receiving section 21 is also provided with a grid scraper 25, the grid scraper 25 is correspondingly laid above the sieve holes 23, the grid scraper 25 is connected with the driving mechanism 6 to reciprocate, so that the grid scraper 25 and the sieve holes 23 are sheared in a reciprocating manner, and impurities are stirred by the grid scraper 25 and cut when falling to the sieve holes 23.
As shown in fig. 2 and 3, the impurities which cannot be effectively stirred and extruded and crushed are in a state of large volume and heavy weight, and after reaching the sieve holes 23 at the bottom of the output end of the receiving section 21, the impurities possibly cannot fall into the receiving cavity 24 through the sieve holes 23 because the large volume is blocked, or the suction of the exhaust fan 5 is unsuccessful because of blocking; the structure of the grid scraping plate 25 is further arranged on the premise that the structure of the interval plates and the gaps is formed, after the structure is attached to the sieve holes 23, the structure of a knife like shearing is formed, when impurities reach the positions of the grid scraping plate 25 and the sieve holes 23, as long as the impurities are clamped into the gaps between the grid scraping plate 25 and the sieve holes 23, the impurities can be chopped by starting the driving mechanism 6 to enable the grid scraping plate 25 to reciprocate, and the chopped impurities can smoothly fall into the receiving cavity 24 through the sieve holes 23 and can be smoothly sucked by the exhaust fan 5; even if one grid scraper 25 and sieve holes 23 can not completely crush and collect impurities, the impurities which are reduced in the backward conveying process can be well stirred or continuously cut into small pieces, and the impurities are sucked and collected by the collecting position above or below the follow-up collecting position, so that the impurity removing efficiency is further improved. In sizing, the gap of the grid scraper 25 and the aperture of the sieve aperture 23 are smaller than the size of the material, i.e. the specific beans, so that the material is not damaged during transport.
As an improved embodiment, the driving mechanism 6 comprises a motor 61, a driving shaft 62 and a driving gear 63, wherein the motor 61 is arranged on the outer side of the screen body 1, the driving shaft 62 is connected with the motor 61 and is arranged on the side edge of the base plate 2 along the conveying direction of the screen body 1, the driving gear 63 is arranged on the driving shaft 62, the number and the positions of the driving gears 63 correspond to those of the grid scraping plates 25, one side of the grid scraping plates 25 extends out of the screen body 1, and a rack 64 is arranged to be meshed with the driving gear 63 for transmission.
As shown in fig. 4, the motor 61 may be mounted on one side of the screen 1, and the driving shaft 62 is disposed along the conveying direction of the screen 1, and because the driving shaft is long, the driving shaft may be provided with a mounting rack at a plurality of positions on the outer side of the screen 1 and support and rotate in cooperation with a bearing, thereby improving structural strength; the driving shafts 62 are provided with driving gears 63 corresponding to the number and the positions of the grid scrapers 25, racks 64 are arranged on the parts, extending out of the side edges of the screen body 1, of each grid scraper 25, synchronous driving of all the grid scrapers 25 is realized in a mode of meshing transmission of the racks 64 and the driving gears 63, and reciprocating shearing of the grid scrapers 25 is realized through forward and reverse rotation of a motor 61. The design of the driving mechanism 6 completes the driving of all the grid scraping plates 25 through one power source, the structure is simplified, the occupied space is reduced, the weight of the mechanism is lightened, the weight and the miniaturization of the whole mechanism are facilitated, the maintenance, the overhaul and the replacement of components are facilitated in the later period, and the overall cost is controlled.
As an improved embodiment, the exhaust fan 5 is arranged above the output end of the screen body 1, and is used for upwardly pumping and collecting impurities on the screen body 1 at the covering position of the exhaust fan 5.
As shown in fig. 2, in the above embodiment, a suction fan 5 is used to perform a suction operation on impurities on the screen 1, and the suction operation is arranged above the output end of the screen 1, and the upward suction and collection of impurities on the screen 1 at the covering position of the suction fan 5 can be realized by referring to the previous patent of the applicant; on the other hand, the branch pipe extends out of the pipeline to extend to each receiving cavity 24, so that the suction and collection work of impurities at the corresponding sieve holes 23 is realized, a power source is simplified, the parts are convenient to maintain, overhaul and replace, and the overall cost is controlled.
As an improved embodiment, the screen body 1 covered by the exhaust fan 5 is provided with a plurality of baffle rods 7 at intervals along the conveying direction of the materials, the baffle rods 7 are vertical to the conveying direction of the materials, and the baffle rods are positioned above the connecting position of the front material receiving section 21 and the rear material receiving section 21 and used for blocking the materials, so that the materials passing through are stirred.
As shown in fig. 2, the setting of the baffle rod 7 is that when materials and impurities are conveyed from the former material receiving section 21 to the latter material receiving section 21 through the dustpan, the materials and the impurities are blocked, and then the materials and the impurities need to pass through the baffle rod 7 through overturning or mutual stirring, so that an stirring and overturning effect can be generated on the impurities, the upper exhaust fan 5 is more beneficial to smoothly pumping away the impurities, the phenomenon that some impurities are pressed below the materials in the conveying process and are not smoothly pumped away is avoided, and the impurity collecting efficiency is improved. The multi-position baffle rod 7 also enables the screen body 1 covered by the exhaust fan 5 to turn over materials and impurities due to the function of the baffle rod 7, thereby improving the effect of sucking impurities.
As an improved specific embodiment, the exhaust fan 5 comprises a fan body 51, a first air inlet cavity 52, a second air inlet cavity 53 and a transverse ventilation cavity 54, wherein an opening of the first air inlet cavity 52 is downwards arranged to be opposite to the screen body 1, an opening lateral arrangement of the second air inlet cavity 53 is communicated with an external connecting pipeline to the receiving cavity 24, the first air inlet cavity 52 and the second air inlet cavity 53 are converged to the transverse ventilation cavity 54 and lead to the transverse fan body 51, a filter screen 55 for blocking impurities is arranged on the fan body 51, a collecting cavity 56 for collecting the impurities is arranged below the transverse ventilation cavity 54 corresponding to the filter screen 55, and a turnover door 57 for turning down and opening and closing is arranged at an opening of the collecting cavity 56.
As shown in fig. 5, the first air inlet cavity 52 and the second air inlet cavity 53 are respectively provided to realize respective functions, the transverse ventilation cavity 54 merges the first air inlet cavity 52 and the second air inlet cavity 53 and leads to the fan body 51, the fan body 51 provides the power for exhausting air, the transverse ventilation cavity 54 is transversely arranged, impurities are sucked to the end of the fan body 51, and the filter screen 55 blocks the impurities to prevent the fan body 51 from being damaged; accumulation of impurities can occur to affect the air draft effect, and the impurities can be collected by the collection cavity 56 when the device is stopped through periodic start and stop. The opening of the collecting cavity 56 is provided with the turnover door 57, when the fan body 51 is opened, the fan body 51 is closed, the normal pipeline flow of wind is not influenced, after the fan body 51 is closed, the turnover door 57 can be turned down and opened by controlling, impurities can fall into the collecting cavity 56 in a proper manner, and after the impurity collection is completed, the turnover door 57 is closed again; such a roll-over door 57 is provided in such a way that the smooth falling of the foreign substances is facilitated without accumulation, and the collecting chamber 56 may preferably further discharge the foreign substances in real time to the external connection line.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (5)
1. The utility model provides an edible bean vibrating screen mechanism, includes screen frame (1), the lower extreme of first connecting rod (11) is articulated to the input of screen frame (1), the lower extreme of second connecting rod (12) is articulated to the output of screen frame (1), the upper end of first connecting rod (11) and second connecting rod (12) articulates in the frame, the lower extreme of first connecting rod (11) articulates with a long connecting rod (13), the other end of long connecting rod (13) is connected to an eccentric wheel (14), screen frame (1) carries out periodic dustling when eccentric wheel (14) are rotated, sends the material on screen frame (1) to the output from the input;
the method is characterized in that: the sieve body (1) comprises a bottom plate (2) which is inclined from an input end to an output end, side plates (3) which are surrounded on three sides of the bottom plate (2) and a discharging hopper (4) which is positioned at an outlet end of the bottom plate (2), wherein the bottom plate (2) is continuously provided with a plurality of receiving sections (21) along the conveying direction of materials, each receiving section (21) is arranged such that the output end is lower than the input end, the input end of the subsequent receiving section (21) is higher than the output end of the previous receiving section (21), a plurality of continuous receiving spaces (22) with angular sections are formed, the plurality of receiving sections (21) adapt to periodic dustpan of the sieve body (1), and the materials are conveyed from the previous receiving section (21) to the subsequent receiving section (21) until being output from the discharging hopper (4) during one dustpan; the bottom of the output end of the receiving section (21) is provided with a sieve mesh (23), a receiving cavity (24) is arranged below the sieve mesh (23), the receiving cavity (24) is externally connected with an exhaust fan (5) through a pipeline, and impurities at the bottom of the receiving section (21) are pumped and collected through the sieve mesh (23) when the exhaust fan (5) works;
the bottom of the output end of the receiving section (21) is also provided with a grid scraper (25), the grid scraper (25) is correspondingly paved above the sieve holes (23), the grid scraper (25) is connected with a driving mechanism (6) to reciprocate, so that the grid scraper (25) and the sieve holes (23) are sheared in a reciprocating manner, and impurities are stirred through the grid scraper (25) and cut when falling to the sieve holes (23).
2. The edible bean shaker mechanism as claimed in claim 1, wherein: the driving mechanism (6) comprises a motor (61), a driving shaft (62) and a driving gear (63), wherein the motor (61) is arranged on the outer side of the screen body (1), the driving shaft (62) is connected with the motor (61) and is arranged on the side edge of the bottom plate (2) along the conveying direction of the screen body (1), the driving gear (63) is arranged on the driving shaft (62), the number and the positions of the driving gears (63) correspond to those of the grid scraping plates (25), and one side of the grid scraping plates (25) extends out of the screen body (1) and is provided with racks (64) to be meshed with the driving gear (63).
3. The edible bean shaker mechanism as claimed in claim 1, wherein: the utility model provides an air exhauster (5) including fan body (51), first air inlet chamber (52), second air inlet chamber (53) and horizontal ventilation chamber (54), the opening in first air inlet chamber (52) is arranged just sieve body (1) downwards, the opening lateral arrangement in second air inlet chamber (53) is outside connecting tube way intercommunication to accepting chamber (24), first air inlet chamber (52) and second air inlet chamber (53) assemble to horizontal ventilation chamber (54) and lead to horizontal fan body (51), set up on fan body (51) and be used for blockking filter screen (55) of impurity to set up in the below that horizontal ventilation chamber (54) corresponds filter screen (55) and be used for collecting chamber (56) of impurity, the oral area setting of collecting chamber (56) is upset downwards and is opened and close roll-over door (57).
4. The edible bean shaker mechanism as claimed in claim 1, wherein: the exhaust fan (5) is arranged above the output end of the screen body (1), and is used for upwards pumping and collecting impurities on the screen body (1) at the covering position of the exhaust fan (5).
5. The edible bean shaker mechanism as claimed in claim 4, wherein: the screen body (1) position that air exhauster (5) covered is provided with a plurality of shelves poles (7) along the direction of delivery of material interval, shelves pole (7) keep perpendicularly with the direction of delivery of material to it is located the top of the hookup location of preceding material section (21) and later material section (21) for stop the material, make the material that passes through receive the stirring.
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| CN202210701962.4A CN115106285B (en) | 2022-06-20 | 2022-06-20 | Edible bean vibrating screen mechanism |
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| CN202210701962.4A CN115106285B (en) | 2022-06-20 | 2022-06-20 | Edible bean vibrating screen mechanism |
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| CN115106285B true CN115106285B (en) | 2024-03-08 |
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| CN115106285A (en) | 2022-09-27 |
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