CN108889620B - Building grit screening plant with scrape material and clearance function - Google Patents
Building grit screening plant with scrape material and clearance function Download PDFInfo
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- CN108889620B CN108889620B CN201810662506.7A CN201810662506A CN108889620B CN 108889620 B CN108889620 B CN 108889620B CN 201810662506 A CN201810662506 A CN 201810662506A CN 108889620 B CN108889620 B CN 108889620B
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- scraping
- cleaning
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- fixed
- screening box
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- 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
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- 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
- B07B1/524—Cleaning with brushes or scrapers with brushes the brushes being rotating
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- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a building sandstone screening device with functions of scraping and cleaning, which comprises a screening box, a first scraping and cleaning frame and a second scraping and cleaning frame, wherein a first screen and a second screen are arranged in the screening box, the first scraping and cleaning frame is arranged in the screening box on the upper side of the first screen, three cleaning rollers distributed in an annular array and three scraping plates distributed in an annular array are fixed on the first scraping and cleaning frame, the second scraping and cleaning frame is arranged in the upper side of the second screen, the second scraping and cleaning frame is fixed on a rotating shaft, and the second scraping and cleaning frame is provided with the same structure as the first scraping and cleaning frame. The building sandstone screening device with the functions of scraping and cleaning has the advantages that scraping is accelerated to screen, the first screen and the second screen are cleaned, blockage is avoided, and screening quality and speed are high.
Description
Technical Field
The invention relates to a building sandstone screening device, in particular to a building sandstone screening device with functions of scraping and cleaning.
Background
Construction materials are various materials used in construction works. The building materials are various in types, and are roughly divided into: (1) inorganic materials, including metallic materials (including ferrous and non-ferrous materials) and non-metallic materials (such as natural stone, burnt earth products, cement, concrete, silicate products, etc.). (2) Organic materials, including plant materials, synthetic polymer materials (including plastics, paints, adhesives) and asphalt materials. (3) Composite materials, including asphalt concrete, polymer concrete, etc., are generally made by compounding inorganic non-metallic materials with organic materials.
Sandstone is commonly used in building decoration, and refers to a loose mixture of sand and gravel. Geologically, mineral or rock particles with a particle size of 0.074-2mm are called sand, and those with a particle size greater than 2mm are called gravel or cobble (the difference is that the particles are rounded to different degrees, and the terms conglomerate and sandstone can be seen in detail). If the crushed stones in the sand are mostly gravel, the sand is called sand gravel. Sandstone is also known as sand in daily life.
At present, sandstone needs to be screened before use, and screening is to directly pour sandstone onto a filter screen for vibration screening, the filter screen is easy to block, and the screening quality is low and the screening speed is slow.
Disclosure of Invention
The invention aims to provide a building sandstone screening device with functions of scraping and cleaning, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a building sandstone screening device with scraping and cleaning functions comprises a screening box, a first scraping and cleaning frame and a second scraping and cleaning frame, wherein a first screen and a second screen are arranged in the screening box, the first scraping and cleaning frame is arranged in the screening box at the upper side of the first screen, three cleaning rollers distributed in an annular array and three scraping plates distributed in an annular array are fixed on the first scraping and cleaning frame, cleaning bristles are arranged on the cleaning rollers, the cleaning rollers are rotationally fixed on a rotating shaft through a connecting rotating shaft, a gear is fixed on the connecting rotating shaft, an annular rack is meshed at the upper end of the gear, the annular rack is fixed on a first transmission sleeve, the first transmission sleeve is sleeved on the rotating shaft, the upper end of the first transmission sleeve is fixed on the screening box through a first fixing rod, a first limiting slide rod is fixed at the outer end of the cleaning rollers, the first limiting slide rod is arranged in an annular slide groove, the annular slide groove is arranged on the inner wall of the screening box, the scraper blade lower extreme is fixed with supplementary scraper blade, and the scraper blade outer end is fixed with the spacing slide bar of second, and the setting of the spacing slide bar of second is in annular spout, the inside at the second screen cloth upside is installed to the second scraping material clearance frame, and the second is scraped the material clearance frame and is fixed in the pivot, and the second is scraped the material clearance frame and is equipped with the structure the same with first scraping material clearance frame, and the second is scraped material clearance frame upper end and is equipped with the second transmission sleeve pipe, and the second transmission sleeve pipe box is established in the pivot, and second transmission sleeve pipe upper end is fixed on first screen cloth through the second dead lever.
As a further scheme of the invention: the first screen cloth sets up in the screening case from top to bottom one-third department and the second screen cloth sets up in the screening case from top to bottom two-thirds department.
As a still further scheme of the invention: the first screen and the second screen are provided with the same mesh aperture.
As a still further scheme of the invention: the cleaning rollers and the scrapers are arranged in a crossed distribution mode.
As a still further scheme of the invention: the cross section of the auxiliary scraper is triangular.
As a still further scheme of the invention: bearing rings are arranged between the second transmission sleeve and the rotating shaft and between the first transmission sleeve and the rotating shaft.
As a still further scheme of the invention: screening bottom of the case portion is equipped with four supporting legs that are rectangular array and distribute, and the filling tube is installed on screening case upper end right side, and screening case right side lower extreme is fixed with first discharge gate, installs the second discharge gate on the screening case of second screen cloth upside, installs the third discharge gate on the screening case of first screen cloth upside, all is equipped with sealed lid on first discharge gate, second discharge gate, third discharge gate and the filling tube.
As a still further scheme of the invention: the lower end of the rotating shaft is fixed on the second screen through the bearing base, the upper end of the rotating shaft penetrates through the first screen and the screening box top, the upper end of the first screen is fixed on an output shaft of the motor, a manual opening switch is arranged on the motor, and the lower end of the motor is fixed on the screening box top through a fixing frame.
Compared with the prior art, the invention has the beneficial effects that:
when the building sandstone screening device with the functions of scraping and cleaning is used, building sandstone is added into a screening box through a feeding pipe, a motor is started, the motor drives a first scraping cleaning frame and a second scraping cleaning frame to rotate through a rotating shaft, the first scraping cleaning frame and the second scraping cleaning frame rotate and then scrape and accelerate screening by using a scraper and an auxiliary scraper, a cleaning roller is fixed and fixed during rotation, a gear is meshed with an annular rack, rotation is further realized during revolution of the cleaning roller, the first screen and the second screen are cleaned during material pushing, blockage is avoided, and the screening quality is high and the screening speed is high.
Drawings
FIG. 1 is a schematic structural diagram of a building grit screening plant with scraping and cleaning functions.
Fig. 2 is a schematic structural diagram of a first scraping and cleaning frame in the building sand screening device with scraping and cleaning functions.
Fig. 3 is a schematic top view of a first scraping and cleaning frame of the building sand screening device with scraping and cleaning functions.
Fig. 4 is a schematic structural diagram of a scraping plate in the building sand screening device with the functions of scraping and cleaning.
Wherein: motor 1, mount 2, first dead lever 3, screening case 4, first transmission sleeve 5, first scraping cleaning frame 6, first screen cloth 7, pivot 8, second dead lever 9, second transmission sleeve 10, second screen cloth 11, supporting leg 12, first discharge gate 13, second discharge gate 14, third discharge gate 15, filling tube 16, second scraping cleaning frame 17, cleaning roller 61, connecting shaft 62, scraper blade 63, supplementary scraper blade 64, gear 65.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Referring to fig. 1-4, a building sandstone screening device with scraping and cleaning functions comprises a screening box 4, a first scraping and cleaning frame 6 and a second scraping and cleaning frame 17, wherein a first screen 7 and a second screen 11 are arranged inside the screening box 4, the first screen 7 is arranged at one third of the screening box 4 from top to bottom, the second screen 11 is arranged at two thirds of the screening box 4 from top to bottom, the first screen 7 and the second screen 11 are provided with the same mesh aperture, the first scraping and cleaning frame 6 is arranged inside the screening box 4 above the first screen 7, three cleaning rollers 61 and three scraping plates 63 distributed in an annular array are fixed on the first scraping and cleaning frame 6, the cleaning rollers 61 and the scraping plates 63 are arranged in a crossed distribution, cleaning bristles are arranged on the cleaning rollers 61, the cleaning rollers 61 are rotatably fixed on a rotating shaft 8 through a connecting rotating shaft 62, a gear 65 is fixed on the connecting rotating shaft 62, an annular rack is meshed at the upper end of the gear 65, the annular rack is fixed on a first transmission sleeve 5, the first transmission sleeve 5 is sleeved on the rotating shaft 8, the upper end of the first transmission sleeve 5 is fixed on the screening box 4 through a first fixing rod 3, a first limit slide bar is fixed at the outer end of the cleaning roller 61, the first limit slide bar is arranged in an annular slide groove, the annular slide groove is arranged on the inner wall of the screening box 4, an auxiliary scraper 64 is fixed at the lower end of the scraper 63, the cross section of the auxiliary scraper 64 is triangular, a second limit slide bar is fixed at the outer end of the scraper 63, the second limit slide bar is arranged in the annular slide groove, a second scraping cleaning frame 17 is arranged inside the upper side of the second screen 11, the second scraping cleaning frame 17 is fixed on the rotating shaft 8, the second scraping cleaning frame 17 is provided with the same structure as the first scraping cleaning frame 6, and a second transmission sleeve 10 is arranged at the upper end of the second scraping cleaning frame 17, the second transmission sleeve 10 is sleeved on the rotating shaft 8, bearing rings are arranged between the second transmission sleeve 10 and the rotating shaft 8 and between the first transmission sleeve 5 and the rotating shaft 8, and the upper end of the second transmission sleeve 10 is fixed on the first screen 7 through a second fixing rod 9.
The lower end of the rotating shaft 8 is fixed on the second screen 11 through a bearing base, the upper end of the rotating shaft 8 penetrates through the tops of the first screen 7 and the screening box 4, the upper end of the first screen 7 is fixed on an output shaft of the motor 1, a manual opening switch is arranged on the motor 1, and the lower end of the motor 1 is fixed at the top of the screening box 4 through a fixing frame 2.
During the use, inside building grit added screening case 4 through charge-in pipe 16, motor 1 is started, motor 1 drives first scraping material clearance frame 6 and the rotation of second scraping material clearance frame 17 through pivot 8, first scraping material clearance frame 6 and the rotation of second scraping material clearance frame 17 back utilize scraper blade 63 and supplementary scraper blade 64 to scrape the material and sieve with higher speed, cleaning roller 61 is at the rotation in-process because first drive sleeve 5 and second drive sleeve 10 are fixed motionless, gear 65 and annular rack meshing, and then realize cleaning roller 61 revolution in-process rotation, first screen cloth 7 and second screen cloth 11 are cleared up to the in-process of pushing away the material, avoid blockking up, screening quality is high, speed is fast.
The working principle of the invention is as follows: when the building sand and stone screening device with the functions of scraping and cleaning is used, building sand and stones are added into the screening box 4 through the feeding pipe 16, the motor 1 is started, the motor 1 drives the first scraping and cleaning frame 6 and the second scraping and cleaning frame 17 to rotate through the rotating shaft 8, the scraping and accelerated screening is performed by the scraping plate 63 and the auxiliary scraping plate 64 after the first scraping and cleaning frame 6 and the second scraping and cleaning frame 17 rotate, the cleaning roller 61 rotates because the first transmission sleeve 5 and the second transmission sleeve 10 are fixed, the gear 65 is meshed with the annular rack, further, the self rotation of the cleaning roller 61 in the revolution process is realized, the first screen 7 and the second screen 11 are cleaned in the material pushing process, the blocking is avoided, and the screening quality is high and the screening speed is high.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. A building sandstone screening device with functions of scraping and cleaning comprises a screening box (4), a first scraping cleaning frame (6) and a second scraping cleaning frame (17), and is characterized in that a first screen (7) and a second screen (11) are arranged inside the screening box (4), the first scraping cleaning frame (6) is arranged inside the screening box (4) on the upper side of the first screen (7), three cleaning rollers (61) distributed in an annular array and three scraping plates (63) distributed in an annular array are fixed on the first scraping cleaning frame (6), cleaning bristles are arranged on the cleaning rollers (61), the cleaning rollers (61) are rotationally fixed on a rotating shaft (8) through a connecting rotating shaft (62), a gear (65) is fixed on the connecting rotating shaft (62), an annular rack is meshed at the upper end of the gear (65), the annular rack is fixed on a first transmission sleeve (5), and is sleeved on the rotating shaft (8), the upper end of a first transmission sleeve (5) is fixed on the screening box (4) through a first fixing rod (3), a first limit slide rod is fixed at the outer end of the cleaning roller (61), the first limit slide rod is arranged in an annular chute, the annular chute is arranged on the inner wall of the screening box (4), an auxiliary scraper (64) is fixed at the lower end of a scraper (63), a second limit slide rod is fixed at the outer end of the scraper (63), the second limit slide rod is arranged in the annular chute, the second is scraped material clearance frame (17) and is installed in the inside of second screen cloth (11) upside, and the second is scraped material clearance frame (17) and is fixed on pivot (8), and the second is scraped material clearance frame (17) and is equipped with and scrapes the structure that material clearance frame (6) are the same with the first, and the second is scraped material clearance frame (17) upper end and is equipped with second transmission sleeve pipe (10), and second transmission sleeve pipe (10) cover is established in pivot (8), and second transmission sleeve pipe (10) upper end is fixed on first screen cloth (7) through second dead lever (9).
2. Construction gravel screening device with scraping and cleaning functions as per claim 1, characterized by that the first screen (7) is arranged at the top-down third of the screening box (4) and the second screen (11) is arranged at the top-down two thirds of the screening box (4).
3. A construction sand and stone screening device with scraping and cleaning functions according to claim 1, characterized in that the first screen (7) and the second screen (11) are provided with the same mesh aperture.
4. Construction sand and stone screening device with scraping and cleaning functions according to claim 1, characterized in that the cleaning rollers (61) and the scrapers (63) are arranged in a cross distribution.
5. Construction sand and stone screening device with scraping and cleaning function according to claim 1, characterized in that the cross section of the auxiliary scraping plate (64) is arranged to be triangular.
6. A building sandstone screening device with scraping and cleaning functions, as claimed in claim 1, wherein bearing rings are arranged between the second transmission sleeve (10) and the rotating shaft (8) and between the first transmission sleeve (5) and the rotating shaft (8).
7. The building sandstone screening device with the functions of scraping and cleaning according to claim 1, wherein four supporting legs (12) distributed in a rectangular array are arranged at the bottom of the screening box (4), a feeding pipe (16) is installed on the right side of the upper end of the screening box (4), a first discharge port (13) is fixed at the lower end of the right side of the screening box (4), a second discharge port (14) is installed on the screening box (4) on the upper side of the second screen (11), a third discharge port (15) is installed on the screening box (4) on the upper side of the first screen (7), and sealing covers are arranged on the first discharge port (13), the second discharge port (14), the third discharge port (15) and the feeding pipe (16).
8. The building sandstone screening device with the functions of scraping and cleaning according to claim 1, wherein the lower end of the rotating shaft (8) is fixed on the second screen (11) through a bearing base, the upper end of the rotating shaft (8) is inserted through the top of the first screen (7) and the screening box (4), the upper end of the first screen (7) is fixed on an output shaft of the motor (1), the motor (1) is provided with a manual opening switch, and the lower end of the motor (1) is fixed on the top of the screening box (4) through the fixing frame (2).
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CN201810662506.7A CN108889620B (en) | 2018-06-25 | 2018-06-25 | Building grit screening plant with scrape material and clearance function |
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CN201810662506.7A CN108889620B (en) | 2018-06-25 | 2018-06-25 | Building grit screening plant with scrape material and clearance function |
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CN108889620B true CN108889620B (en) | 2020-06-30 |
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CN110404753B (en) * | 2019-09-02 | 2021-04-30 | 安徽家思特涂料有限责任公司 | High-efficient classified screening device |
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CN111001470B (en) * | 2019-12-20 | 2021-04-23 | 博思英诺科技(北京)有限公司 | Screening plant for soil remediation |
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CN112496348A (en) * | 2020-10-12 | 2021-03-16 | 安徽哈特三维科技有限公司 | Screening plant is used in metal powder processing |
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CN112813721A (en) * | 2020-12-23 | 2021-05-18 | 盐城大丰远东纸业有限公司 | Rotary vibration sieve for paper making |
CN113042365B (en) * | 2021-06-01 | 2021-09-14 | 四川轻化工大学 | Sand screening and classifying equipment for building |
CN113560179B (en) * | 2021-09-28 | 2021-12-07 | 常熟康信医疗器械有限公司 | Continuous cleaning equipment of medical medicine pelletization screen cloth rotation |
CN114226397B (en) * | 2021-12-13 | 2022-11-25 | 湖北聚海环境科技有限公司 | Equipment and method for preparing sludge curing agent based on phosphogypsum solid waste |
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CN116060282A (en) * | 2023-03-02 | 2023-05-05 | 江苏普隆磁电有限公司 | Screening machine is used in permanent magnet production |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206464249U (en) * | 2016-12-12 | 2017-09-05 | 江苏劲力化肥有限责任公司 | A kind of ecological fertilizer particle screen selecting device |
CN108126784A (en) * | 2017-11-15 | 2018-06-08 | 惠水县凡趣创意科技有限公司 | A kind of grain processing flour milling machine |
CN207507806U (en) * | 2017-11-15 | 2018-06-19 | 河南共威机械设备有限公司 | The circular impact screen of sieve can be cleared up |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10913071B2 (en) * | 2016-03-09 | 2021-02-09 | Pearson Incorporated | Scalper apparatus and processing system |
-
2018
- 2018-06-25 CN CN201810662506.7A patent/CN108889620B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206464249U (en) * | 2016-12-12 | 2017-09-05 | 江苏劲力化肥有限责任公司 | A kind of ecological fertilizer particle screen selecting device |
CN108126784A (en) * | 2017-11-15 | 2018-06-08 | 惠水县凡趣创意科技有限公司 | A kind of grain processing flour milling machine |
CN207507806U (en) * | 2017-11-15 | 2018-06-19 | 河南共威机械设备有限公司 | The circular impact screen of sieve can be cleared up |
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Effective date of registration: 20221202 Address after: 252000 Internal Medicine Research Building 711, High end Equipment Industrial Park, Linqing Economic Development Zone, Liaocheng, Shandong Patentee after: Linqing Zhongke Construction Engineering Co.,Ltd. Address before: 317031 No. 2-103, Wangshantou Village, Baishuiyang Town, Linhai City, Taizhou City, Zhejiang Province Patentee before: Hong Hui |
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