CN108636801B

CN108636801B - Grain screening dust collecting equipment that rotatory section of thick bamboo continuously tumbles for farming

Info

Publication number: CN108636801B
Application number: CN201810321918.4A
Authority: CN
Inventors: 史积贵
Original assignee: Jiangxi Dong Jian Meter Industry Co ltd
Current assignee: Jiangxi Dong Jian meter industry Co.,Ltd.
Priority date: 2018-04-11
Filing date: 2018-04-11
Publication date: 2020-06-16
Anticipated expiration: 2038-04-11
Also published as: CN108636801A

Abstract

The invention discloses grain screening and dust removing equipment continuously turning over a rotary drum for agricultural planting, which comprises a box body, a feeding pipe, a motor, a fan and a protective screen plate, wherein the feeding pipe is arranged on the box body; a rotating cylinder with a cylindrical structure is arranged in the box body; a horizontal clapboard is fixed in the box body corresponding to the upper part of the rotating shaft; a screen mesh for screening grains is embedded in the arc-shaped side wall of the rotary cylinder; the lateral wall of the fixed shaft is fixed with a plurality of speed reducing screen plates along the inner diameter of the rotary cylinder, the left side of the rotary cylinder is provided with a vertical left baffle, and the right side of the material inlet and outlet on the right side of the rotary cylinder is provided with a right baffle which is the same as the left baffle. The rotating cylinder is arranged to ensure that the grains are turned over differently and fixed in the inner part, so that the grains are dispersed thoroughly and are directly contacted with blown air, the separation of dust is convenient, and the soil, dust and the like carried in the grains are reduced; the screened impurities are collected in a collecting tank, so that the impurities are convenient to clean; and continuous screening is carried out without stopping, so that the production and processing efficiency is improved.

Description

Grain screening dust collecting equipment that rotatory section of thick bamboo continuously tumbles for farming

Technical Field

The invention relates to agricultural equipment, in particular to grain screening and dedusting equipment with a rotary drum continuously turned for agricultural planting.

Background

With the improvement of the food circulation system in China, the comprehensive opening of the food acquisition market and the diversification of the main body of the food acquisition, some farmers, grain depots and food processing enterprises are equipped with grain dryers in recent years so as to be convenient for timely drying and storing after high-moisture food is acquired, the problem that the food with higher moisture content cannot be timely acquired and put in storage is greatly relieved by the use of the dryers, the loss of the mildew of the food is reduced, and the economic benefits of the farmers and the enterprises are improved. However, the performance and quality of the dryers in the current market still cannot meet the requirements of grain drying, so the problem of how to more effectively dry and store grains is gradually highlighted. The rice yield of China is about 5000 jin, and according to the measurement and calculation of the Ministry of agriculture, the loss of grains which can not be dried in time in the general annual scene accounts for 5 percent of the total yield. Crops are after the results, especially rice and wheat, and the grain after the results needs in time to clear away impurity wherein owing to mix dust, weeds and shrivelled grain among them, consequently need screen cereal, and the screening commonly used is through straight sieve vibration going on, like this because the cereal is more, and some cereal extrusion is in the same place to it is poor to turn over the effect, is unfavorable for screening fast, and can't carry out the screening in succession, is unfavorable for processing and use.

Disclosure of Invention

The invention aims to provide grain screening and dedusting equipment with a rotary cylinder for agricultural planting continuously turning over, and aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a grain screening and dedusting device with a rotary cylinder continuously turning for agricultural planting comprises a box body, a feeding pipe, a motor, a fan and a protective screen plate; a rotating cylinder with a cylindrical structure is arranged in the box body, horizontal rotating shafts are fixed on the central shaft on the outer side of the rotating cylinder, the rotating shafts on the two sides are positioned on the same straight line, one end of each rotating shaft is rotatably connected to the inner wall of the box body through a bearing, the other end of each rotating shaft penetrates out of the box body through a bearing fixed on the inner wall of the box body, and the outer end of each rotating shaft is connected with an output shaft of a motor; a horizontal partition plate is fixed in the box body corresponding to the upper part of the rotating shaft, the rotating cylinder penetrates through the partition plate, and a plurality of material inlet and outlet openings are uniformly formed in two side walls of the rotating cylinder; a screen mesh for screening grains is embedded in the arc-shaped side wall of the rotary cylinder; the outer end point of the discharge hole is flush with the inner wall of the rotary cylinder; a horizontal fixed shaft is fixed on a central shaft in the rotary cylinder, a plurality of speed reducing screen plates along the inner diameter of the rotary cylinder are fixed on the side wall of the fixed shaft, the fan is fixedly arranged on the outer wall of the box body, a protective screen plate covers the outer side of the fan, and the fan is communicated with a blowing port below the partition plate through a pipeline; an inclined feeding pipe is communicated with the upper part of the clapboard; be provided with vertical left baffle on the left side of rotatory section of thick bamboo, the height that highly is greater than the business turn over material mouth of left baffle, rotate through the bearing on the left side of left baffle and be connected with the horizontally screw rod, the threaded sleeve is equipped with a nut that is fixed in on the box outer wall on the screw rod, fixed mounting has the handle on the outer end of screw rod, business turn over material mouth right side on the right side of rotatory section of thick bamboo is provided with the right baffle the same with left baffle, right baffle fixed connection is on horizontally cylinder, is equipped with the discharge gate under the business turn over material mouth on rotatory section of.

Further: and when the material inlet and outlet port rotates to the top, the lower end of the material inlet and outlet port is flush with the upper surface of the partition plate.

Further: the feed/discharge port is a circular hole, and the diameter of the feed/discharge port is 5-10 mm.

Further: the top of the box body is communicated with an air outlet pipe, the air outlet pipe is communicated with an inverted U-shaped pipe, the other end of the U-shaped pipe is communicated with an induced draft fan, and the induced draft fan is communicated with a dust removal box.

Further: the outer end of inlet pipe intercommunication feeder hopper installs feed valve on the inlet pipe.

Further: collecting grooves with the same width are fixed under the rotary drum.

Further: and rubber scrapers which are in contact with the bottom of the box body are fixed at the lower ends of the right baffle and the left baffle.

Compared with the prior art, the invention has the beneficial effects that: the rotating cylinder is arranged to ensure that the grains are turned over differently and fixed in the inner part, so that the grains are dispersed thoroughly and are directly contacted with blown air, the separation of dust is convenient, and the soil, dust and the like carried in the grains are reduced; the screened impurities are collected in a collecting tank, so that the impurities are convenient to clean; under the condition of not shutting down, can open right baffle and make inside cereal discharge, carrying out subsequent screening, the screening continuity is strong, has improved production machining efficiency.

Drawings

FIG. 1 is a schematic structural diagram of a grain screening and dedusting device with a rotary cylinder continuously turning for agricultural planting.

Fig. 2 is a schematic diagram of the internal structure of a rotary drum in the grain screening and dedusting equipment with the rotary drum continuously turning for agricultural planting.

FIG. 3 is a schematic diagram showing the external structure of a rotary drum in the grain screening and dedusting equipment with the rotary drum continuously turning over for agricultural planting.

In the figure: 1-box body, 2-feeding pipe, 3-motor, 4-fan, 5-protective screen plate, 6-rotary cylinder, 7-rotary shaft, 8-fixed shaft, 9-speed reducing screen plate, 10-feeding and discharging port, 11-screen, 12-baffle, 13-induced draft fan, 14-dust removal box, 15-air outlet pipe, 16-U-shaped pipe, 17-feeding valve, 18-right baffle, 19-air cylinder, 20-collecting tank, 21-discharging port, 22-air blowing port, 23-left baffle, 24-screw rod, 25-screw cap, 26-handle and 27-rubber scraper.

Detailed Description

Referring to the figures, in the embodiment of the invention, the grain screening and dedusting equipment with the rotary cylinder continuously turning for agricultural planting comprises a box body 1, a feeding pipe 2, a motor 3, a fan 4 and a protective screen plate 5; a rotating cylinder 6 with a cylindrical structure is arranged in the box body 1, horizontal rotating shafts 7 are fixed on a central shaft on the outer side of the rotating cylinder 6, the rotating shafts 7 on the two sides are positioned on the same straight line, one end of each rotating shaft 7 is rotatably connected to the inner wall of the box body 1 through a bearing, the other end of each rotating shaft passes through the box body 1 through a bearing fixed on the inner wall of the box body 1, the outer end of each rotating shaft is connected with an output shaft of the motor 3, and the rotating shafts 7 are driven to rotate through the motor 3, so that the rotating cylinder 6 rotates around; a horizontal partition plate 12 is fixed in the box body 1 corresponding to the upper part of the rotating shaft 7, the rotating cylinder 6 penetrates through the partition plate 12, a small gap is reserved between the rotating cylinder 6 and the partition plate 12, the rotation of the rotating cylinder 6 is not influenced, and the inside of the box body 1 is divided into an upper part and a lower part by the partition plate 12.

The two side walls of the rotary cylinder 6 are uniformly provided with a plurality of feed and discharge ports 10, when the feed and discharge ports 10 rotate to the top, the lower ends of the feed and discharge ports 10 are flush with the upper surface of the partition plate 12, so that grains on the partition plate 12 can be fed into the rotary cylinder 6 when the feed and discharge ports 10 rotate along with the partition plate, the grains are continuously fed into the rotary cylinder, the feed and discharge ports 10 are circular holes, the diameter of each feed and discharge port 10 is 5-10 mm, and the grains can enter the rotary cylinder from the feed and discharge ports 10; a screen 11 for screening grains is embedded in the arc-shaped side wall of the rotary cylinder 6, and impurities are screened out; the outer end point of discharge gate 10 and the inner wall parallel and level of rotatory section of thick bamboo 6, the cereal of being convenient for in the rotatory section of thick bamboo 6 flows, in order to improve the time of cereal in rotatory section of thick bamboo 6, improves dispersion effect, is fixed with horizontally fixed axle 8 on the center pin in rotatory section of thick bamboo 6, is fixed with a plurality of speed reduction otter boards 9 along on the internal diameter of rotatory section of thick bamboo 6 on the lateral wall of fixed axle 8, connects cereal greatly through speed reduction otter board 9, the extension and hot-air's contact time.

The fan 4 is fixedly arranged on the outer wall of the box body 1, the outer side of the fan 4 is covered with a protective screen 5 for filtering the entering air and preventing other sundries or personnel limbs from entering the fan 4, the fan 4 is communicated with a blowing port 22 positioned below the partition plate 12 through a pipeline, and the outside air is sent to the lower part of the partition plate 12 through the blowing port 22; the top of the box body 1 is communicated with an air outlet pipe 15, the air outlet pipe 15 is communicated with an inverted U-shaped pipe 16, the other end of the U-shaped pipe 16 is communicated with an induced draft fan 13, the induced draft fan 13 is communicated with a dust removal box 14, and dust brought out by filtered air is filtered.

The upper part of the clapboard 12 is communicated with an inclined feeding pipe 2, the outer end of the feeding pipe 2 is communicated with a feeding hopper, grains are filled into the clapboard 12 through the feeding pipe 2, and in order to improve the internal sealing property, air is discharged from an air outlet pipe 15, and a feeding valve 17 is arranged on the feeding pipe 2; a collecting tank 20 with the same width is fixed under the rotary drum 6 and is used for collecting the screened impurity particles and the like; a vertical left baffle 23 is arranged on the left side of the rotary cylinder 6, the height of the left baffle 23 is greater than that of the material inlet and outlet 10, so that the vertical left baffle 23 can cover the material inlet and outlet 10 when approaching the rotary cylinder 6, grains are prevented from flowing out of the material inlet and outlet 10 on the left side of the rotary cylinder 6, a horizontal screw 24 is rotatably connected to the left side of the left baffle 23 through a bearing, a nut 25 fixed on the outer wall of the box body 1 is sleeved on the screw 24 in a threaded manner, the position of the left baffle 23 is changed by rotating the screw 24, and a handle 26 is fixedly arranged on the outer end of the screw 24, so that the operation and the use; the right side of the feeding and discharging port 10 on the right side of the rotary cylinder 6 is provided with a right baffle 18 which is the same as the left baffle 23, the right baffle 18 is fixedly connected to a horizontal cylinder 19, the right baffle 18 is pushed by the cylinder 19 to move left and right to seal the feeding and discharging port 10 on the right side of the rotary cylinder 6, the lower ends of the right baffle 18 and the left baffle 23 are both fixed with rubber scrapers 27 which are in contact with the bottom of the box body 1, and a discharging port 21 is arranged right below the feeding and discharging port 10 on the right side of the rotary.

When in use, grains are loaded into the upper part of the clapboard 12 in the box body 1 from the feed hopper through the feed pipe 2, the grains positioned on the clapboard 12 enter the rotating cylinder 6 from the feed and discharge port 10 on the side wall of the rotating cylinder 6, no grains move in the rotating cylinder 6, the grains which are positioned on the clapboard 12 fall on the decelerating screen plate 9 due to the arrangement of the decelerating screen plates 9, the air which flows upwards is blown on the grains through the decelerating screen plate 9, so that dust is separated from the grains, the decelerating screen plate 9 rotates along with the rotating cylinder 6, when the decelerating screen plate 9 rotates to the downward direction, the grains fall down and fall at the bottom of the rotating cylinder 6, fly out of the rotating cylinder 6 through the screen 11, carry out grain screening, turn over in the rotating cylinder 6, simultaneously, the air blown in the lower part of the clapboard 12 is blown into the rotating cylinder 6 from the feed and discharge port 10 under the clapboard 12, and flows upwards through the rotating cylinder 6, so that the, and exits through the top outlet tube 15; the screening in-process is through controlling baffle shelters from business turn over material mouth 10, makes cereal screening inside, when needing to get the material, has baffle 18 through cylinder 19 separation, and cereal falls to discharge in discharge gate 21. The rotating cylinder is arranged to ensure that the grains are turned over differently and fixed in the inner part, so that the grains are dispersed thoroughly and are directly contacted with blown air, the separation of dust is convenient, and the soil, dust and the like carried in the grains are reduced; the screened impurities are collected in a collecting tank, so that the impurities are convenient to clean; under the condition of not shutting down, can open right baffle and make inside cereal discharge, carrying out subsequent screening, the screening continuity is strong, has improved production machining efficiency.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A grain screening and dedusting device with a rotary cylinder continuously turned for agricultural planting comprises a box body (1), a feeding pipe (2), a motor (3), a fan (4) and a protective screen plate (5); the method is characterized in that: a rotating cylinder (6) with a cylindrical structure is arranged in the box body (1), horizontal rotating shafts (7) are fixed on the central shaft of the outer side of the rotating cylinder (6), the rotating shafts (7) on the two sides are positioned on the same straight line, one end of each rotating shaft (7) is rotatably connected to the inner wall of the box body (1) through a bearing, the other end of each rotating shaft penetrates out of the box body (1) through the bearing fixed on the inner wall of the box body (1), and the outer end of each rotating shaft is connected with an output shaft of the motor (3); a horizontal partition plate (12) is fixed in the box body (1) corresponding to the upper part of the rotating shaft (7), the rotating cylinder (6) penetrates through the partition plate (12), and a plurality of material inlet and outlet openings (10) are uniformly formed in two side walls of the rotating cylinder (6); a screen (11) for screening grains is embedded in the arc-shaped side wall of the rotary cylinder (6); the outer end point of the feed and discharge port (10) is flush with the inner wall of the rotary cylinder (6); a horizontal fixed shaft (8) is fixed on a central shaft in the rotary cylinder (6), a plurality of speed reducing screen plates (9) along the inner diameter of the rotary cylinder (6) are fixed on the side wall of the fixed shaft (8), the fan (4) is fixedly arranged on the outer wall of the box body (1), a protective screen plate (5) is covered on the outer side of the fan (4), and the fan (4) is communicated with a blowing port (22) positioned below the partition plate (12) through a pipeline; the upper part of the clapboard (12) is communicated with an inclined feeding pipe (2); be provided with vertical left baffle (23) on the left side of rotatory section of thick bamboo (6), the height that highly is greater than business turn over material mouth (10) of left baffle (23), be connected with horizontally screw rod (24) through the bearing rotation on the left side of left baffle (23), screw thread cover is equipped with one and is fixed in nut (25) on box (1) outer wall on screw rod (24), fixed mounting has handle (26) on the outer end of screw rod (24), business turn over material mouth (10) right side on the right side of rotatory section of thick bamboo (6) is provided with right baffle (18) the same with left baffle (23), right baffle (18) fixed connection is on horizontally cylinder (19), be equipped with discharge gate (21) under business turn over material mouth (10) on rotatory section of thick bamboo (6) right side.

2. The grain screening and dedusting device with the continuously-flipping rotary cylinder for agricultural planting according to claim 1, wherein: the lower end of the feed inlet and discharge port (10) is flush with the upper surface of the partition plate (12) when the feed inlet and discharge port (10) rotates to the top.

3. The grain screening and dedusting device with the continuously-flipping rotary cylinder for agricultural planting according to claim 1, wherein: the feed and discharge port (10) is a circular hole, and the diameter of the circular hole is 5-10 mm.

4. The grain screening and dedusting device with the continuously-flipping rotary cylinder for agricultural planting according to claim 1, wherein: the top of the box body (1) is communicated with an air outlet pipe (15), the air outlet pipe (15) is communicated with an inverted U-shaped pipe (16), the other end of the U-shaped pipe (16) is communicated with an induced draft fan (13), and the induced draft fan (13) is communicated with a dust removal box (14).

5. The grain screening and dedusting device with the continuously-flipping rotary cylinder for agricultural planting according to claim 1, wherein: the outer end of inlet pipe (2) communicates the feeder hopper, installs feed valve (17) on inlet pipe (2).

6. The grain screening and dedusting device with the continuously-flipping rotary cylinder for agricultural planting according to claim 1, wherein: collecting grooves (20) with the same width are fixed right below the rotary drum (6).

7. The grain screening and dedusting device with the continuously-flipping rotary cylinder for agricultural planting according to claim 1, wherein: and rubber scrapers (27) which are in contact with the bottom of the box body (1) are fixed at the lower ends of the right baffle (18) and the left baffle (23).