CN220941888U - Grain sorting and impurity removing device - Google Patents

Abstract

The utility model relates to the technical field of agricultural machinery, in particular to a grain sorting and impurity removing device, which comprises a box body, wherein the bottom of the box body is fixedly connected with a supporting leg, the inner top of the box body is fixedly connected with a feeding cylinder, the inner bottom surface of one end of the feeding cylinder is provided with a discharging opening, the top of the box body is fixedly connected with a feeding hopper, the feeding hopper is communicated with the inner part of the feeding cylinder, the inner part of the box body is positioned at the bottom of the feeding cylinder and is detachably connected with a winnowing component, the side surface of the box body is provided with a first impurity removing opening, the bottom of the box body is internally provided with two layers of screens, the inclination directions of the two layers of screens are opposite, and the lowest part of the upper layer of screens stretches into a second impurity removing opening on the side wall of the box body.

Description

Grain sorting and impurity removing device

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to a grain sorting and impurity removing device.

Background

At present, mature grains are all harvested by a combine harvester and are directly threshed into grain types, and the grains are all rich in impurities such as straws, shrubs, grass seeds, cobbles, iron skips falling on the harvester and the like, so that the quality of grain particles is affected.

Through retrieval, chinese patent publication No. CN207770297U discloses a grain impurity removing device, which comprises a base, a vibrating motor is installed in the base, a machine body is installed on the base, the top end of the machine body is connected with a feed inlet through an electromagnetic bolt, a partition plate is installed in the machine body, a sundry collecting chamber is installed at one end of the partition plate, a hot air blower is installed at the top end of the sundry collecting chamber, a stirring motor is installed below the hot air blower, one end of the hot air blower is connected with the stirring chamber through a hot air pipe through the partition plate, a rotating shaft is installed in the stirring chamber, stirring blades are installed on the surface of the rotating shaft, a first sieve plate is installed at the bottom end of the stirring chamber, a filter chamber is installed at the lower end of the first sieve plate, a second sieve plate is installed at the lower end of the filter chamber, a grain collecting chamber is installed below the second sieve plate, a screw rod is installed at the bottom end of the grain collecting chamber, and the screw rod is provided with a screw plate on the surface. However, this patent application does not have a magnetic separation mechanism, and cannot remove impurities such as scrap iron or iron wires in grains.

Disclosure of utility model

In order to solve the problems, the grain sorting and impurity removing device is provided.

The specific technical scheme is as follows: including the box, the bottom fixedly connected with supporting leg of box, the top fixedly connected with pay-off section of thick bamboo in the box, the feeding auger is connected with in the pay-off section of thick bamboo rotation, the feed opening has been seted up to the one end bottom surface of pay-off section of thick bamboo, the top fixedly connected with of box throws the hopper, throw the hopper with the inside transition case that is linked together of pay-off section of thick bamboo, be located in the box the detachable of pay-off section of thick bamboo bottom department is connected with the selection by winnowing subassembly, first edulcoration mouth has been seted up to the side of box, be located in the box selection by winnowing subassembly bottom department installs two-layer screen cloth, two-layer the inclination of screen cloth is opposite, and the upper strata the minimum of screen cloth stretches into the second edulcoration mouth of box lateral wall, the edulcoration groove is located the lower floor the bottom of screen cloth, the lower floor the minimum of screen cloth stretches into the transition case lateral wall, the lateral wall fixedly connected with material conveying section of thick bamboo, the material conveying section of thick bamboo rotation is connected with the transition case, the transition case with the bottom of thick bamboo is located the bottom of the box, the discharge gate is located the fixed connection of the discharge gate.

Preferably, the lateral wall fixedly connected with first motor board of pay-off section of thick bamboo, install first motor on the first motor board, the output shaft of first motor with the center pin fixed connection of pay-off auger.

Preferably, the winnowing assembly comprises an air feeder, the air feeder penetrates through the box body and stretches into the box body, the outermost end of the air feeder is fixedly connected with the box body through a plurality of bolts, a blower is installed in the air feeder, and a dust screen is fixedly connected to the innermost end of the air feeder.

Preferably, fixedly connected with locating plate in the box, the top of locating plate pass through a plurality of first springs with the bottom surface fixed connection of screen cloth, the vibrator is still installed to the bottom surface of screen cloth, upper strata the sieve mesh aperture of screen cloth is greater than the lower floor the sieve mesh aperture of screen cloth.

Preferably, the lateral wall fixedly connected with draw runner of edulcoration groove, the inside wall of box seted up with draw runner cooperation gliding spout, the outer end fixedly connected with baffle of edulcoration groove, the embedded interior handle has been seted up to the lateral surface of baffle.

Preferably, the magnetic separation mechanism comprises two conveying rollers which are rotationally connected to the inner side of the box body, the two conveying rollers are connected through a conveying belt, a plurality of magnet stones are fixedly installed on the inner wall of the box body and are located on the inner side of the conveying belt, a cleaning assembly capable of cleaning the surface of the conveying belt is installed on the inner side of the box body, and scrap iron discharging bins are installed on the bottom of the cleaning assembly on the side wall of the box body.

Preferably, the cleaning component comprises a plurality of groups of fixing rods fixedly connected to the side wall of the box body, a plurality of groups of fixing rods are connected with a sliding plate in a sliding mode, a second spring is sleeved on the fixing rods and located between the sliding plate and the box body, a limiting block is fixedly connected to the end portion of each fixing rod, a scraping blade is fixedly connected to the other side face of each sliding plate, and one side of each scraping blade is movably abutted to the outer side of the conveyor belt.

Preferably, a third motor plate is fixedly connected to the outer side of the box body, a third motor is mounted on the third motor plate, and an output shaft of the third motor is fixedly connected with a central shaft of any one of the conveying rollers.

Preferably, a second motor plate is welded on the side wall of the material conveying cylinder, a second motor is mounted on the second motor plate, and an output shaft of the second motor is fixedly connected with a central shaft of the material conveying auger

The utility model provides a grain sorting and impurity removing device, which has the beneficial effects that compared with the prior art: the utility model can clean light impurities such as straw and the like in the grains, can clean impurities such as shrunken hulls, grass seeds, small stones and the like, can adsorb small iron blocks and scrap iron impurities in the grains, and obviously reduces the impurity content in the grains, so that the finally obtained grains are full and have good color.

Drawings

Fig. 1: is the whole structure diagram of the utility model.

Fig. 2: fig. 1 is an enlarged view of the portion a.

Fig. 3: is the whole front view of the utility model.

Fig. 4: is a top view of the impurity removing groove in the utility model.

Fig. 5: is a structural diagram of stroke selecting components in the utility model.

In the figure: 1-box, 2-supporting leg, 3-feeding cylinder, 4-feeding auger, 5-blanking port, 6-feeding hopper, 7-first edulcoration mouth, 8-screen cloth, 9-second edulcoration mouth, 10-edulcoration groove, 11-transition case, 12-feeding cylinder, 13-feeding auger, 14-feed opening, 15-discharge port, 16-first motor board, 17-first motor, 18-forced draught blower, 19-dust screen, 20-locating plate, 21-first spring, 22-vibrator, 23-slide bar, 24-spout, 25-baffle, 26-third motor, 27-transfer roller, 28-conveyer belt, 29-magnet, 30-iron fillings go out bin, 31-dead lever, 32-second spring, 33-sliding plate, 34-stopper, 35-doctor blade, 36-air feeder, 37-second motor board, 38-second motor, 39-third motor board.

Detailed Description

The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which may be made by those skilled in the art without the inventive faculty, are intended to be within the scope of the present utility model, and in the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings, which are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying any particular importance in the description of the present utility model, but rather as being construed broadly as the terms "mounted," "connected," "coupled," or "connected" unless expressly specified or limited otherwise, e.g., as either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model will now be described in further detail by way of specific examples of embodiments in connection with the accompanying drawings.

Embodiment one: as shown in fig. 1-3, the grain sorting and impurity removing device comprises a box body 1, wherein supporting legs 2 are fixedly connected to the bottom of the box body 1, the supporting legs 2 are welded to the bottom surface of the box body 1, and the number of the supporting legs 2 is at least four.

The top welded fixedly connected with pay-off section of thick bamboo 3 in the box 1, be connected with pay-off auger 4 through the bearing rotation in the pay-off section of thick bamboo 3, the lateral wall welded fixedly connected with first motor board 16 of pay-off section of thick bamboo 3, install first motor 17 on the first motor board 16, first motor 17 adopts prior art, first motor 17 passes through bolt fixed connection on first motor board 16, the output shaft of first motor 17 passes through shaft coupling fixed connection with the center pin of pay-off auger 4, feed opening 5 has been seted up to the one end bottom surface of pay-off section of thick bamboo 3.

The top welding fixedly connected with of box 1 throws hopper 6, throws hopper 6 and is linked together with the feeding barrel 3 inside, lies in feeding barrel 3 bottom department detachable in the box 1 and is connected with the selection by winnowing subassembly. As shown in FIG. 5, the air separation assembly comprises an air supply barrel 36, the air supply barrel 36 penetrates through the box body 1 and stretches into the box body 1, the outermost end of the air supply barrel 36 is fixedly connected with the box body 1 through a plurality of bolts, an air blower 18 is installed in the air supply barrel 36, the air blower 18 is in the prior art and is fixedly connected with a dust screen 19 through the bolts, the dust screen 19 is fixedly connected with the end of the air supply barrel 36, the air supply barrel 36 can be detached to facilitate cleaning of the dust screen 19, dust accumulation on the dust screen 19 is prevented, the air separation effect is affected, the dust screen 19 is arranged, and the air blower 18 can be protected.

The side of the box body 1 is provided with a first impurity removing opening 7, and the first impurity removing opening 7 is arranged corresponding to the air supplying barrel 36.

Two layers of screens 8 are arranged at the bottom of the winnowing component in the box body 1, the inclination directions of the two layers of screens 8 are opposite, and the sieve pore diameter of the upper layer of screens 8 is larger than that of the lower layer of screens 8. I.e. the mesh diameter of the upper screen 8 is larger than the average grain size of the grain, and the mesh diameter of the lower screen 8 is smaller than the average grain size of the grain.

The lowest part of the upper screen 8 stretches into a second impurity removing opening 9 on the side wall of the box body 1, an impurity removing groove 10 is detachably connected in the box body 1, and the impurity removing groove 10 is positioned at the bottom of the lower screen 8. As shown in fig. 4, the side wall of the impurity removing groove 10 is fixedly connected with a slide bar 23 by welding, a slide groove 24 matched with the slide bar 23 for sliding is formed in the inner side wall of the box body 1, a baffle 25 is fixedly connected to the outermost end of the impurity removing groove 10 by welding, an embedded inner handle is formed in the outer side surface of the baffle 25, and the embedded inner handle is arranged to facilitate the extraction of the impurity removing groove 10 from the interior of the box body 1.

The lowest part of the lower screen 8 stretches into a transition box 11 on the side wall of the box body 1, and the transition box 11 is welded on the side wall of the box body 1.

The side wall welding fixedly connected with of box 1 carries feed cylinder 12, be connected with the defeated auger 13 through the bearing rotation in the defeated feed cylinder 12, the lateral wall welding of defeated feed cylinder 12 has second motor plate 37, install second motor 38 on the second motor plate 37, second motor 38 adopts prior art, second motor 38 passes through bolt fixed connection on second motor plate 37, the output shaft of second motor 38 passes through shaft coupling fixed connection with the center pin of defeated auger 13, the bottom of transition case 11 is linked together with defeated feed cylinder 12 inside, transition case 11 bottom and defeated feed cylinder 12 welding fixedly connected, feed opening 14 has been seted up to the bottom of defeated feed cylinder 12.

A magnetic separation mechanism is arranged at the bottom of the discharge hole 15 in the box body 1.

The bottom surface of the box body 1 is fixedly connected with a discharge hole 15 by welding.

Embodiment two: on the basis of the embodiment, further, the locating plate 20 is fixedly connected to the inside of the box body 1 in a welding mode, the top of the locating plate 20 is fixedly connected with the bottom surface of the screen 8 through the plurality of first springs 21, two ends of the first springs 21 are fixedly connected with the locating plate 20 and the screen 8 in a welding mode respectively, the vibrator 22 is further arranged on the bottom surface of the screen 8, the vibrator 22 is fixedly connected to the bottom surface of the screen 8 through bolts in the prior art, the first springs 21 and the vibrator 22 are arranged, and screening effect is improved.

Embodiment III: on the basis of the above embodiment, further, the magnetic separation mechanism includes two conveying rollers 27 rotatably connected to the inner side of the case 1, that is, the central shaft of the conveying rollers 27 is rotatably connected to the side wall of the case 1 through a bearing, the two conveying rollers 27 are connected through a conveying belt 28, the conveying rollers 27 adopt the prior art, a plurality of tooth grooves are formed in the surfaces of the conveying rollers 27, the conveying belt 28 adopts the prior art, a plurality of teeth are formed in the inner side surfaces of the conveying belts, tooth grooves and teeth are formed, and friction between the conveying belt 28 and the conveying rollers 27 is increased. The outside welded fixedly connected with third motor board 39 of box 1 installs third motor 26 on the third motor board 39, and third motor 26 adopts prior art, and third motor 26 passes through bolt fixed connection on third motor board 39, and the output shaft of third motor 26 passes through shaft coupling fixed connection with the center pin of arbitrary transfer roller 27.

A plurality of magnet 29 are fixedly mounted on the inner wall of the box body 1, the magnet 29 is located on the inner side of the conveying belt 28, two ends of the magnet 29 are respectively adhered to the inner wall of the box body 1 through glue, the magnet 29 is located on the inner side of the conveying belt 28, and the magnet 29 is arranged to facilitate adsorption of scrap iron inside grains on the conveying belt 28.

The cleaning component capable of cleaning the surface of the conveying belt 28 is arranged on the inner side of the box body 1, the cleaning component comprises a plurality of groups of fixing rods 31 fixedly connected to the side wall of the box body 1 in a welding mode, sliding plates 33 are connected to the groups of fixing rods 31 in a sliding mode, second springs 32 are sleeved on the fixing rods 31, the second springs 32 are located between the sliding plates 33 and the box body 1, limiting blocks 34 are fixedly connected to the end portions of the fixing rods 31 in a welding mode, scraping blades 35 are fixedly connected to the other side face of the sliding plates 33 in a welding mode, and one sides of the scraping blades 35 are movably abutted to the outer side of the conveying belt 28.

The lateral wall of box 1 is located and scrapes subassembly bottom department and installs iron fillings play feed bin 30, and iron fillings play feed bin 30 welding is at the lateral wall of box 1.

Working principle: when the utility model is used, a farmer starts the first motor 17 and the blower 18 firstly, and pours grains into the feeding hopper 6, so that the grains fall into the feeding cylinder 3, the grains are uniformly conveyed to the blanking opening 5 by the feeding auger 4, the grains fall to the position of the feeding cylinder 3 from the blanking opening 5, and the blower 18 is used for blowing the grains uniformly fallen from the blanking opening 5, so that light impurities such as straws in the grains are blown out from the first impurity removing opening 7; the grains fall onto the first layer of screen 8, the first layer of screen 8 filters out impurities larger than the grains (average grain size) in the grains, the filtered impurities are discharged from the second impurity removing opening 9, the grains fall onto the second layer of screen 8, the second layer of screen 8 filters out impurities smaller than the grains (average grain size) in the grains, the filtered impurities fall into the impurity removing groove 10, the grains fall into the transition box 11 along the screen 8 and fall into the feeding cylinder 12 through the transition box 11, the grains are uniformly conveyed to the feed opening 14 through the feeding auger 13, the grains fall onto the conveying belt 28 through the feed opening 14, the grains are conveyed by the conveying belt 28 through the transmission of the conveying belt 28, the scrap iron can be firmly adsorbed onto the conveying belt 28 through the adsorption of the magnet 29, the scrap iron adsorbed onto the conveying belt 28 is discharged through the discharge opening 15, the scrap iron adsorbed onto the conveying belt 28 is scraped through the scraping blade 35 and discharged through the discharge bin 30, and the impurity removing of the grains is completed.

While the present utility model has been particularly shown and described with reference to a preferred embodiment, a number of methods and instrumentalities embodying the present utility model, the foregoing is merely a preferred embodiment of the present utility model, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (9)

1. The grain sorting and impurity removing device comprises a box body (1), wherein a supporting leg (2) is fixedly connected to the bottom of the box body (1), a feeding barrel (3) is fixedly connected to the top of the box body (1), a feeding auger (4) is rotationally connected to the bottom of the feeding barrel (3), a discharging opening (5) is formed in the bottom surface of one end of the feeding barrel (3), a feeding hopper (6) is fixedly connected to the top of the box body (1), the feeding hopper (6) is communicated with the inside of the feeding barrel (3), a winnowing assembly is detachably connected to the bottom of the feeding barrel (3) and positioned in the box body (1), a first impurity removing opening (7) is formed in the side surface of the box body (1), two layers of screens (8) are mounted at the bottom of the winnowing assembly, the lower ends of the screens (8) are opposite in inclination directions, a second impurity removing opening (9) formed in the side wall of the box body (1) and extend into the lower end of the box body (8), a transition groove (10) is formed in the box body (1), the lower ends of the screens (10) are connected to the lower ends of the box body (1), the magnetic separation device is characterized in that a conveying auger (13) is rotationally connected to the conveying barrel (12), the bottom of the transition box (11) is communicated with the inside of the conveying barrel (12), a material through hole (14) is formed in the bottom of the conveying barrel (12), a magnetic separation mechanism is arranged at the bottom of the material outlet (15) in the box body (1), and the bottom surface of the box body (1) is fixedly connected with the material outlet (15).

2. The grain sorting and impurity removing device according to claim 1, wherein a first motor plate (16) is fixedly connected to the side wall of the feeding cylinder (3), a first motor (17) is installed on the first motor plate (16), and an output shaft of the first motor (17) is fixedly connected with a central shaft of the feeding auger (4).

3. The grain sorting and impurity removing device according to claim 1, wherein the air separation assembly comprises an air cylinder (36), the air cylinder (36) penetrates through the box body (1) and stretches into the box body (1), the outermost end of the air cylinder (36) is fixedly connected with the box body (1) through a plurality of bolts, an air feeder (18) is arranged in the air cylinder (36), and the innermost end of the air cylinder (36) is fixedly connected with a dust screen (19).

4. The grain sorting and impurity removing device according to claim 1, wherein a positioning plate (20) is fixedly connected in the box body (1), the top of the positioning plate (20) is fixedly connected with the bottom surface of the screen (8) through a plurality of first springs (21), a vibrator (22) is further arranged on the bottom surface of the screen (8), and the mesh aperture of the screen (8) on the upper layer is larger than that of the screen (8) on the lower layer.

5. The grain sorting and impurity removing device according to claim 1, wherein a slide bar (23) is fixedly connected to the side wall of the impurity removing groove (10), a slide groove (24) which is matched with the slide bar (23) and slides is formed in the inner side wall of the box body (1), a baffle plate (25) is fixedly connected to the outermost end of the impurity removing groove (10), and an embedded inner handle is formed on the outer side face of the baffle plate (25).

6. The grain sorting and impurity removing device according to claim 1, wherein the magnetic separation mechanism comprises two conveying rollers (27) rotatably connected to the inner side of the box body (1), the two conveying rollers (27) are connected through a conveying belt (28), a plurality of magnet stones (29) are fixedly mounted on the inner wall of the box body (1), the magnet stones (29) are located on the inner side of the conveying belt (28), a scraping assembly capable of cleaning the surface of the conveying belt (28) is mounted on the inner side of the box body (1), and scrap iron discharging bins (30) are mounted on the bottom of the scraping assembly on the side wall of the box body (1).

7. The grain sorting and impurity removing device according to claim 6, wherein the cleaning component comprises a plurality of groups of fixing rods (31) fixedly connected to the side wall of the box body (1), a plurality of groups of fixing rods (31) are slidably connected with sliding plates (33), second springs (32) are sleeved on the fixing rods (31), the second springs (32) are located between the sliding plates (33) and the box body (1), limiting blocks (34) are fixedly connected to the end portions of the fixing rods (31), scraping blades (35) are fixedly connected to the other side face of the sliding plates (33), and one sides of the scraping blades (35) movably abut against the outer sides of the conveying belts (28).

8. The grain sorting and impurity removing device according to claim 7, wherein a third motor plate (39) is fixedly connected to the outer side of the box body (1), a third motor (26) is mounted on the third motor plate (39), and an output shaft of the third motor (26) is fixedly connected with a central shaft of any one of the conveying rollers (27).

9. The grain sorting and impurity removing device according to claim 1, wherein a second motor plate (37) is welded on the side wall of the material conveying cylinder (12), a second motor (38) is installed on the second motor plate (37), and an output shaft of the second motor (38) is fixedly connected with a central shaft of the material conveying auger (13).