CN107876370B - Rotary cylinder mesh screen for filtering grains - Google Patents

Rotary cylinder mesh screen for filtering grains Download PDF

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Publication number
CN107876370B
CN107876370B CN201711254275.8A CN201711254275A CN107876370B CN 107876370 B CN107876370 B CN 107876370B CN 201711254275 A CN201711254275 A CN 201711254275A CN 107876370 B CN107876370 B CN 107876370B
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CN
China
Prior art keywords
mesh screen
cylindrical
cylinder
center line
box body
Prior art date
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Active
Application number
CN201711254275.8A
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Chinese (zh)
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CN107876370A (en
Inventor
邓扬峰
李元堂
敖淑珍
冯浪浪
甘震
冯然
潘松
廖禺
陈立才
卢全国
祝志芳
王欢
陶珍
冯细平
敖郭平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Yuefeng Agricultural Technology Co ltd
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Jiangxi Yuefeng Agricultural Technology Co ltd
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Priority to CN201711254275.8A priority Critical patent/CN107876370B/en
Publication of CN107876370A publication Critical patent/CN107876370A/en
Application granted granted Critical
Publication of CN107876370B publication Critical patent/CN107876370B/en
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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
    • B07B1/18—Drum screens
    • B07B1/22—Revolving drums
    • 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
    • B07B1/50—Cleaning
    • B07B1/52—Cleaning with brushes or scrapers
    • 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
    • B07B1/50—Cleaning
    • B07B1/52—Cleaning with brushes or scrapers
    • B07B1/522—Cleaning with brushes or scrapers with brushes
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/14—Measures for saving energy, e.g. in green houses

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials For Photolithography (AREA)
  • Threshing Machine Elements (AREA)

Abstract

A rotary cylinder mesh screen for filtering grains is composed of a cylindrical mesh screen installed in box body, a rotary drive wheel for driving the cylindrical mesh screen to rotate, a steel plate net for filtering grains, a side sealing cover installed to the side wall of box body, a stripper Gu Maoshua and a stripper Gu Gangsi installed to the side wall symmetrical to the side sealing cover, two circular end faces of the cylindrical mesh screen and a negative pressure air inlet on the upper surface of box body, a grain sucking opening on the side surface of box body, a grain outlet on the lower part of box body, and a stripper brush for separating the cylindrical surface of cylindrical mesh screen into upper and lower mesh screens.

Description

Rotary cylinder mesh screen for filtering grains
Technical Field
The invention belongs to grain post-harvest treatment machinery in agricultural machinery, and particularly relates to a rotary cylinder mesh screen for filtering grains, which is used on a sunning ground grain collector, a grain collector and a multifunctional grain collector.
Background
At present, mesh screens for filtering grains used on machines such as a grain collector, a grain harvester and a multifunctional grain collector in a sunning ground in the market are all fixed, so that the mesh screens are easily blocked by grains in the use process, and especially when the grains contain impurities, the blocking is quicker and more serious, the normal operation of the machine is greatly influenced, and even the machine cannot operate.
Disclosure of Invention
In order to overcome the defect that a fixed mesh screen for filtering grains used on a grain collector, a grain collecting machine, a multifunctional grain collector and other machines in the current market is easy to block, the invention provides a rotary cylinder mesh screen for filtering grains, which solves the technical problems that the adopted technical scheme is as follows: the whole of the grain threshing machine consists of a cylinder mesh screen, two end sealing covers, a side sealing cover, a threshing Gu Maoshua, a threshing Gu Gangsi brush, a negative pressure air port, a box body, a grain suction port, a grain outlet, a rotary driving wheel and a grain falling hole, and is characterized in that: the cylinder mesh screen is arranged in the box body in parallel with the long edges of the box body by the cylinder center line of the cylinder mesh screen, the cylinder mesh screen is driven by the rotary driving wheel to rotate in the box body, the rotary driving wheel is arranged on a driving shaft, the shaft center line of the driving shaft and the center line of the cylinder mesh screen are in the same straight line, the rotary driving wheel is positioned at the outer side of the box body penetrated by the cylinder center line of the cylinder mesh screen and driven by power provided by a machine, the whole cylinder surface of the cylinder mesh screen is made of a steel plate mesh which is fully distributed with holes, the diameter design of the holes is smaller than the minimum diameter of rice, so that grains cannot pass through the holes, and the effect of filtering grains can be achieved.
The side seal is fixed on one side wall of the box body parallel to the cylinder center line of the cylinder mesh screen, and is positioned below the horizontal center line of the end surface of the cylinder mesh screen and parallel to the cylinder center line.
The stripper Gu Maoshua is fixed to a side wall of the case symmetrical to the fixed-side envelope, and is located above the horizontal center line of the end surface of the cylinder screen and parallel to the cylinder center line.
The brush of the threshing brush Gu Gangsi is also fixed on the side wall of the box body symmetrical to the fixed side sealing cover, is positioned at the lower part of the horizontal center line of the end surface of the cylinder mesh screen, is parallel to the center line of the cylinder and is positioned at the lower part of the threshing brush.
The two end covers seal the two round end surfaces of the cylinder mesh screen integrally, form two cylinders, fix on two side walls of the box body penetrating the cylinder center line, the cylinder of the cylinder mesh screen has grooves which are displaced towards the cylinder center line direction on the surface near the two end surfaces, the two end covers are just positioned in the grooves, the cylinder surface formed by the two end covers and the cylinder surface of the cylinder mesh screen are kept flat, thus being more beneficial to sealing, and being beneficial to the threshing Gu Gangsi brush and the threshing brush to better act on the cylinder surface of the cylinder mesh screen.
The negative pressure wind gap is located the upper plane of box, and the suction grain mouth is located the box side, and sets up in the holistic lower part position of drum mesh screen, and the grain outlet is located the lower part of box, designs to long flute profile to the two long sides of the long flute profile of grain outlet design are the curved surface that follows cereal outlet direction bending, more are favorable to keeping the negative pressure in the box like this.
The rotation direction of the cylindrical mesh screen is from the direction of mounting the threshing brush and the threshing wire brush to the direction of mounting the side sealing cover, and is clockwise with reference to fig. 1, and the rotation icon of the cylindrical mesh screen is the rotation direction of the cylindrical mesh screen.
The grain dropping hole is designed on the fixed iron plate of the threshing steel wire brush.
The side sealing cover and the stripping Gu Maoshua and the stripping Gu Gangsi brushes divide the cylindrical surface of the cylindrical mesh screen into an upper semicircular surface and a lower semicircular surface so as to form an upper mesh screen and a lower mesh screen, the lower mesh screen formed by the lower semicircular surface filters grains along with the rotation of the cylindrical mesh screen, when the grains are filtered, part of the grains and impurities in the grains are adsorbed on the mesh screen due to the action of negative pressure, at the moment, the grains and impurities in the grains adsorbed on the mesh screen are firstly brushed off by the stripping Gu Gangsi brush, and then if the grains and impurities in the grains are adsorbed on the mesh screen, the stripping Gu Maoshua cleans again, so that grains and impurities are not adsorbed on the mesh screen any more, and the grains and impurities cleaned by the stripping Gu Maoshua brush fall down through the grain falling holes to enter the grain outlet.
With the rotation of the cylinder screen, the threshing Gu Gangsi brush and the threshing brush are designed to continuously clean, so that the upper screen which is continuously formed can be kept clean all the time, and the upper screen which is kept clean can be continuously changed into the lower screen which is kept clean with the rotation of the cylinder screen, so that the screen can be optimally ventilated, the transmission of negative pressure suction force is kept, namely, the best condition that grains on a sunning ground or the ground can be better sucked up and collected by a machine is achieved.
The beneficial effects of the invention are as follows: the mesh screen is not blocked by grains and impurities in the grains, and the best state of collecting the grains by the machine is achieved.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a front view of the present invention
FIG. 2 is a side view of the present invention
FIG. 3 is a top view of FIG. 1
FIG. 4 is an enlarged view showing the structure of the threshing brush
FIG. 5 is a partial view of the top view of FIG. 4
FIG. 6 is an enlarged view of a structural view of a threshing wire brush
FIG. 7 is a partial view of the top view of FIG. 6
FIG. 8 is an enlarged view of a structural view of the side seal
FIG. 9 is a partial view of the top view of FIG. 8
FIG. 10 is an enlarged view of the structural view of the two-end seal
In the figure: 1. the grain-cleaning machine comprises a cylindrical mesh screen, two end sealing covers, a side sealing cover, a stripper Gu Maoshua, a stripper Gu Gangsi brush, a negative pressure air inlet, a box body 7, a grain suction opening 8, a grain outlet 9, a grain rotation driving wheel 10, a rotary driving wheel 11, a rotary direction of the cylindrical mesh screen and a grain falling hole 12.
Referring to the drawings, the grain filter comprises a cylindrical mesh screen (1), sealing covers (2) at two ends, side sealing covers (3), a stripper Gu Maoshua (4), a stripper Gu Gangsi brush (5), a negative pressure air port (6), a box body (7), a grain suction port (8), a grain outlet port (9), a rotary driving wheel (10) and grain falling holes (12), wherein the cylindrical mesh screen (1) is arranged in the box body (7) in parallel with the long edges of the box body (7) by the cylindrical center line of the cylindrical mesh screen (1), the rotary driving wheel (10) drives the cylindrical mesh screen (1) to rotate in the box body (7), the rotary driving wheel (10) is arranged on a transmission shaft, the shaft center line of the transmission shaft is in the same straight line with the center line of a cylinder of the cylindrical mesh screen (1), the rotary driving wheel (10) is positioned on the outer side of the box body (7) penetrated by the cylinder center line of the cylindrical mesh screen (1), the whole cylindrical surface of the cylindrical mesh screen (1) is driven by power provided by a machine, the diameter of a steel plate net which is full of holes, the diameter of the holes is designed to be smaller than the diameter of a grain, the cylindrical mesh screen, the grains cannot pass through the holes, namely, the cylindrical mesh screen (1) can not pass through the grains, and the holes can be filtered by the cylindrical mesh screen, and the two positions can be fixed by adopting the sealing positions.
The side seal (3) is fixed on one side wall of the box (7) parallel to the cylinder center line of the cylinder mesh screen (1), and is positioned below the horizontal center line of the end surface of the cylinder mesh screen (1) and parallel to the cylinder center line.
The stripper Gu Maoshua (4) is fixed on the side wall of the box body (7) symmetrical to the fixed side sealing skin (3), is positioned at the upper part of the horizontal center line of the end surface of the cylinder mesh screen (1) and is parallel to the cylinder center line.
The brush (5) of the threshing brush Gu Gangsi is also fixed on the side wall of the box body (7) symmetrical to the fixed side sealing skin (3), is positioned at the lower part of the horizontal center line of the end surface of the cylinder mesh screen (1), is parallel to the cylinder center line and is positioned at the lower part of the threshing brush (4).
The two end sealing covers (2) are used for integrally sealing two round end faces of the cylindrical mesh screen (1) and forming two cylinders, the two cylinders are fixed on two side walls of the box body (7) penetrating through the center line of the cylinder, grooves which are displaced towards the direction of the center line of the cylinder are formed in the surfaces of the cylinders close to the two end faces of the cylindrical mesh screen (1), the two end sealing covers (2) are just located in the grooves, the surfaces of the cylinders formed by the two end sealing covers (2) and the surfaces of the cylinders of the cylindrical mesh screen (1) are kept flat, sealing is facilitated, and the cylinder surfaces of the cylindrical mesh screen (1) are better acted by the stripping Gu Gangsi brushes (5) and the stripping Gu Maoshua (4).
The negative pressure air port (6) is positioned on the upper plane of the box body (7), the grain suction port (8) is positioned on the side surface of the box body (7) and is arranged at the integral lower part of the cylinder mesh screen (1), the grain outlet port (9) is positioned at the bottommost part of the box body (7), the grain outlet port is designed to be long groove-shaped, and two long side surfaces of the long groove shape of the grain outlet port (9) are designed to be bending surfaces bending along the grain outlet direction, so that the negative pressure is more favorable to be maintained in the box body (7).
The rotation direction of the cylindrical screen (1) is changed from the direction in which the brush (5) is attached to the stripper Gu Maoshua (4) and the stripper Gu Gangsi to the direction in which the side seal (3) is attached, and is clockwise with reference to fig. 1, and the rotation direction (11) of the cylindrical screen is shown as the rotation direction of the cylindrical screen (1).
The grain dropping hole (12) is designed on the fixed iron plate of the threshing steel wire brush (5).
The side seal skin (3) and the stripper Gu Maoshua (4) and the stripper Gu Gangsi brush (5) divide the cylindrical surface of the cylindrical mesh screen (1) into an upper semicircular surface and a lower semicircular surface so as to form an upper mesh screen and a lower mesh screen, the lower mesh screen formed by the lower semicircular surface filters grains according to the rotation of the cylindrical mesh screen (1), when the grains are filtered, part of grains and impurities in the grains are adsorbed on the mesh screen through the action of negative pressure, at this time, the grains and impurities in the grains are firstly brushed off by the stripper Gu Gangsi brush (5), and then, if the grains and impurities in the grains are adsorbed on the mesh screen, the stripper Gu Maoshua (4) cleans again, so that grains and impurities are not adsorbed on the mesh screen any more, and the grains and impurities which are brushed off by the stripper Gu Maoshua (4) fall off through the grain falling holes (12) to enter the grain outlet (9).
With the rotation of the cylinder screen (1), the upper screen which is formed continuously can keep clean and become the lower screen which is clean with the rotation of the cylinder screen (1) because the brush (5) of the brush remover Gu Gangsi and the brush remover Gu Maoshua (4) are designed to continuously clean and sweep, so that the screen can be optimally guaranteed to be ventilated and maintain the transmission of negative pressure suction force, namely, the sunning ground or grains on the ground can be better sucked up, and the best state of collecting grains by the machine is achieved.

Claims (2)

1. The utility model provides a rotatory drum mesh screen of filtration cereal comprises drum mesh screen (1), both ends sealed lid (2), side seal (3), take off Gu Maoshua (4), take off Gu Gangsi brush (5), negative pressure wind gap (6), box (7), inhale millet mouth (8), play millet mouth (9), rotatory drive wheel (10), cereal whereabouts hole (12), characterized by: the cylindrical mesh screen (1) is arranged in the box body (7) in parallel with the long edges of the box body (7) through the cylindrical center line of the cylindrical mesh screen (1), the cylindrical mesh screen (1) is driven to rotate in the box body (7) by a rotary driving wheel (10), the rotary driving wheel (10) is arranged on a driving shaft, the axial center line of the driving shaft and the center line of the cylinder of the cylindrical mesh screen (1) are in the same straight line, the rotary driving wheel (10) is positioned at one outer side of the box body (7) penetrated by the cylindrical center line of the cylindrical mesh screen (1), the machine provides power to drive the machine, the whole cylindrical surface of the cylindrical mesh screen (1) is made of steel plate meshes with holes, and two circular end faces of the cylindrical mesh screen (1) are sealed by iron plates so as to fix the driving shaft positioned at the position of the cylindrical center line; the side sealing skin (3) is fixed on one side wall of the box body (7) which is parallel to the cylinder center line of the cylinder mesh screen (1), and is positioned at the lower part of the horizontal center line of the end surface of the cylinder mesh screen (1) and is parallel to the cylinder center line; the de-Gu Maoshua (4) is fixed on the symmetrical side wall of the fixed side sealing cover (3), is positioned at the upper part of the horizontal center line of the end surface of the cylinder mesh screen (1) and is parallel to the cylinder center line; the brush (5) of the threshing Gu Gangsi is fixed on the symmetrical side wall of the fixed side sealing cover (3), is positioned at the lower part of the horizontal center line of the end surface of the cylinder mesh screen (1), is parallel to the cylinder center line and is positioned at the lower part of the threshing brush (4); the two-end sealing covers (2) are used for integrally sealing two circular end faces of the cylindrical mesh screen (1) and are fixed on two side walls of the box body (7) penetrating through the center line of the cylinder, grooves which are displaced towards the center line of the cylinder are formed in the surfaces of the cylindrical mesh screen (1) close to the two end faces, the two-end sealing covers (2) are positioned in the grooves, and the surfaces formed by the two-end sealing covers (2) and the surface of the cylinder of the cylindrical mesh screen (1) are kept flat; the negative pressure air port (6) is positioned on the upper plane of the box body (7), the grain suction port (8) is positioned on the side surface of the box body (7) and is arranged at the lower part of the whole cylindrical mesh screen (1), the grain outlet port (9) is positioned at the lowest part of the box body (7) and is designed into a long groove shape, and two long side surfaces of the long groove shape of the grain outlet port (9) are designed into bending surfaces which are bent along the grain outlet direction; the grain dropping hole (12) is designed on the fixed iron plate of the threshing steel wire brush (5).
2. A rotary cylindrical screen for filtering grain as claimed in claim 1, wherein: the side seal skin (3) and the threshing Gu Maoshua (4) and the threshing Gu Gangsi brush (5) divide the cylindrical surface of the cylindrical mesh screen (1) into an upper semicircular surface and a lower semicircular surface so as to form an upper mesh screen and a lower mesh screen, the lower mesh screen filters grains along with the rotation of the cylindrical mesh screen (1), part of grains and impurities can be adsorbed on the mesh screen under the action of negative pressure when the grains are filtered, the grains and impurities adsorbed on the mesh screen are brushed down by the threshing Gu Gangsi brush (5), then the grains and impurities cleaned by the threshing Gu Maoshua (4) are brushed down by the threshing wire brush (5) and the grains and impurities cleaned by the threshing Gu Maoshua (4) fall down through the grain falling holes (12) to enter the grain outlet (9).
CN201711254275.8A 2017-12-03 2017-12-03 Rotary cylinder mesh screen for filtering grains Active CN107876370B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711254275.8A CN107876370B (en) 2017-12-03 2017-12-03 Rotary cylinder mesh screen for filtering grains

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711254275.8A CN107876370B (en) 2017-12-03 2017-12-03 Rotary cylinder mesh screen for filtering grains

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CN107876370A CN107876370A (en) 2018-04-06
CN107876370B true CN107876370B (en) 2023-08-18

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110604489B (en) * 2018-06-15 2022-05-03 九阳股份有限公司 Automatic material cleaning device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9409476U1 (en) * 1993-06-22 1994-11-10 Zipfinger, Erwin, Neufurth filter
US5435444A (en) * 1993-11-16 1995-07-25 Satomi Seisakusho Co., Ltd. Composite type screen
CN102000662A (en) * 2010-09-06 2011-04-06 山东海韵生态纸业有限公司 Method for separating bark from stalk and bark and stem separator
CN106938251A (en) * 2016-01-03 2017-07-11 胡克仁 A kind of cereal collects the screen device of machine
CN206631928U (en) * 2017-02-16 2017-11-14 湖北长江源制药有限公司 A silt separator for herbal medicine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9409476U1 (en) * 1993-06-22 1994-11-10 Zipfinger, Erwin, Neufurth filter
US5435444A (en) * 1993-11-16 1995-07-25 Satomi Seisakusho Co., Ltd. Composite type screen
CN102000662A (en) * 2010-09-06 2011-04-06 山东海韵生态纸业有限公司 Method for separating bark from stalk and bark and stem separator
CN106938251A (en) * 2016-01-03 2017-07-11 胡克仁 A kind of cereal collects the screen device of machine
CN206631928U (en) * 2017-02-16 2017-11-14 湖北长江源制药有限公司 A silt separator for herbal medicine

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