CN112620072B - Multistage serial-type flour screening plant - Google Patents
Multistage serial-type flour screening plant Download PDFInfo
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- CN112620072B CN112620072B CN202011392947.3A CN202011392947A CN112620072B CN 112620072 B CN112620072 B CN 112620072B CN 202011392947 A CN202011392947 A CN 202011392947A CN 112620072 B CN112620072 B CN 112620072B
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- Prior art keywords
- screening
- sliding plate
- screen
- flour
- cylinder
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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
- B07B1/55—Cleaning with fluid jets
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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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling 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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to the technical field of flour screening, in particular to a multistage serial flour screening device which comprises a rack, wherein a horizontally arranged sliding plate is connected to the rack in a sliding mode and can slide in a reciprocating mode in the horizontal direction, a driving mechanism for driving the sliding plate to reciprocate is installed at least one end of the sliding plate, at least three screening mechanisms are installed above the sliding plate, at least one screening mechanism can freely slide in the length direction of the sliding plate, a screen cylinder is composed of four screen plates and two end plates, a supporting shaft is fixedly connected to one end of the screen cylinder, elastic corrugated pipes surround screen holes of the screen plates, and two horizontally arranged springs are fixedly connected to two sides of a supporting frame of the slidable screening mechanism. Every screening a period, just rotate ninety degrees with screening mechanism, reduce the permanent sieve mesh of this device and block up the probability, improve screening efficiency greatly, utilize device self structural feature, reduce sieve mesh and block up the probability, this device simple structure simultaneously, low in manufacturing cost.
Description
Technical Field
The invention relates to the technical field of flour screening, in particular to a multistage serial flour screening device.
Background
Wheat is a general name of wheat plants, is a gramineous plant widely planted in all parts of the world, originates in the middle east crescent fertile soil region, is one of the earliest crops cultivated in the world, is one of staple foods of human beings, can be used for preparing foods such as bread, steamed bread, biscuits and noodles after being ground into flour, can be prepared into beer, alcohol and vodka or biomass fuel after being fermented, and is rich in starch, protein, fat, mineral substances, calcium, iron, thiamine, riboflavin, nicotinic acid, vitamin A, vitamin C and the like;
wheat processing need carry out the crocus through wheat milling equipment, and the flour granule after the crocus is generally at 40-60 meshes, and the particle diameter is very little, generally can sieve after the crocus is accomplished and filter, gets rid of great granule impurity in the wheat flour, if do not get rid of impurity, can influence the subsequent processing of flour, because the diameter of flour itself is very little, therefore screen cloth sieve mesh diameter is also very little, and the sieve mesh is very easy to be blockked up in the screening process.
Among the prior art flour screening plant be monomer screening plant, efficiency is slower, and the structure is comparatively complicated simultaneously, and the sieve mesh blocks up easily.
Disclosure of Invention
The invention aims to solve the defects that flour screening devices in the prior art are all single screening devices, the efficiency is low, the structure is complex, and screen holes are easy to block.
In order to achieve the purpose, the invention adopts the following technical scheme:
a multi-stage tandem type flour screening device comprises a rack, wherein a sliding plate which is horizontally arranged is connected to the rack in a sliding manner, the sliding plate can slide in a reciprocating manner in the horizontal direction, at least one end of the sliding plate is provided with a driving mechanism for driving the sliding plate to reciprocate, at least three screening mechanisms are arranged above the sliding plate, at least one screening mechanism can freely slide along the length direction of the sliding plate, at least two screening mechanisms are fixed on the sliding plate, and a slidable screening mechanism is arranged between every two fixed screening mechanisms;
the screening mechanism comprises two vertically arranged support frames, a horizontally arranged screen cylinder with a square vertical section is arranged between the two support frames, the screen cylinder consists of four screen plates and two end plates, one of the sieve plates is of an openable structure, one end of the sieve cylinder is fixedly connected with a support shaft, the support shaft is rotatably connected with the support frame, the supporting shaft is connected with a stepping motor in a transmission way, the rotating angle of the stepping motor is ninety degrees each time, the stepping motor is fixedly connected on the support frame, the other end of the screen cylinder is fixedly connected with a support cylinder, one end of the support cylinder is rotatably connected with a flour conveying pipe, the other end of the supporting cylinder is communicated with the chamber of the screen cylinder, each screen plate is fixedly connected with an elastic corrugated pipe with two open ends, the elastic corrugated pipe surrounds the sieve holes of the sieve plate, and two sides of the support frame of the slidable screening mechanism are respectively fixedly connected with a horizontally arranged spring.
The driving mechanism is a crank sliding block mechanism or a power telescopic cylinder assembly.
The elastic corrugated pipe is a food-grade elastic silica gel corrugated pipe.
The screening mechanism is three, and left screening mechanism is anticlockwise rotation at every turn, and the screening mechanism on right side is clockwise rotation at every turn.
The invention provides a multistage serial flour screening device, which has the beneficial effects that: every screening a period, just rotate ninety degrees with screening mechanism, reduce the permanent sieve mesh jam's of this device probability, this device can set up a plurality of screening mechanisms series connection combination simultaneously and carry out screening work together, improves screening efficiency greatly, utilizes device self structural feature, reduces sieve mesh jam probability, this device simple structure simultaneously, low in manufacturing cost.
Drawings
FIG. 1 is a schematic view of the main view position of the device in the natural state of the present invention;
FIG. 2 is a schematic view of a left-side two-sifting mechanism butt joint structure of the present invention;
FIG. 3 is a schematic view of the right side of the two sifting mechanisms of the present invention in a butt joint configuration;
FIG. 4 is a left side view of the screening mechanism of the present invention;
fig. 5 is a schematic front view of another embodiment of the present invention.
In the figure: the device comprises an elastic corrugated pipe 1, a sieve plate 2, a support cylinder 3, a screening mechanism 4, a spring 5, a support frame 6, a sliding plate 7, a rack 8, a driving mechanism 9, a flour conveying pipe 10, a support shaft 11, a stepping motor 12 and a sieve cylinder 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a multi-stage tandem type flour screening device comprises a frame 8, a horizontally arranged sliding plate 7 is connected on the frame 8 in a sliding manner, the sliding plate 7 can slide in a reciprocating manner in the horizontal direction, a driving mechanism 9 for driving the sliding plate 7 to reciprocate is installed at least one end of the sliding plate 7, the driving mechanism 9 is a slider-crank mechanism or a power telescopic cylinder assembly, the sliding plate is driven to reciprocate through the slider-crank mechanism or the power telescopic cylinder assembly to realize screening action, at least three screening mechanisms 4 are installed above the sliding plate 7, at least one screening mechanism 4 can freely slide along the length direction of the sliding plate 7, at least two screening mechanisms 4 are fixed on the sliding plate 7, and a slidable screening mechanism 4 is arranged between every two fixed screening mechanisms 4;
the screening mechanism 4 comprises two vertically arranged support frames 6, a screen cylinder 13 which is horizontally arranged and has a regular quadrilateral vertical section is arranged between the two support frames 6, the screen cylinder 13 consists of four screen plates 2 and two end plates, one screen plate 2 is of an openable structure, the screen plates 2 which can be opened and closed are opened after screening for a period of time to clean out the rest impurities after screening, one end of the screen cylinder 13 is fixedly connected with a support shaft 11, the support shaft 11 is rotatably connected with the support frames 6, the support shaft 11 is in transmission connection with a stepping motor 12, the stepping motor 12 rotates by ninety degrees every time, the stepping motor 12 is fixedly connected on the support frames 6, the other end of the screen cylinder 13 is fixedly connected with a support cylinder 3, one end of the support cylinder 3 is rotatably connected with a flour conveying pipe 10, the flour conveying pipe 10 is connected with a flour conveyor through a hose, flour to be screened is continuously input into the screen cylinder 13 through the flour conveying pipe 10, the other end of the supporting cylinder 3 is communicated with the chamber of the screen cylinder 13, each screen plate 2 is fixedly connected with an elastic corrugated pipe 1 with two open ends, the elastic corrugated pipe 1 is a food-grade elastic silica gel corrugated pipe, the elastic corrugated pipe 1 surrounds the screen holes of the screen plate 2, the two sides of the supporting frame 6 of the slidable screening mechanism 4 are respectively fixedly connected with a horizontally arranged spring 5, the slidable screening mechanism 4 is separated from the screening mechanisms 4 fixed at the two sides under the elastic force action of the springs 5, so that the adjacent screening mechanisms 4 are separated by a certain distance, and the screening mechanisms 4 can not interfere with each other when needing to rotate, at the same time the spring 5 also allows the slidable sifting mechanism 4 to move back and forth between the two fixed sifting mechanisms 4, meanwhile, the spring 5 is also used for driving the slidable screening mechanism 4 to move left and right when the device is initially vibrated.
To facilitate the description of the working principle, three screening mechanisms 4 are described, when the device screens flour, the driving mechanism 9 drives the sliding plate 7 to vibrate left and right in a reciprocating manner, so that the screening mechanisms 4 on the sliding plate 7 also vibrate in a reciprocating manner, flour is screened by the screening mechanisms 4 which reciprocate left and right, the flour falls off from the screen plate 2 at the lower side of the screening mechanism 4, after a period of screening, the screen holes of the partial screen plate 2 at the lower side are blocked, the driving mechanism 9 stops operating, under the action of the elastic force of the spring 5, the adjacent screening mechanisms are separated by a certain distance and are made to be static, at the moment, the screening mechanism 4 at the left side rotates anticlockwise by ninety degrees, the screening mechanism 4 at the right side rotates clockwise by ninety degrees, the screening mechanism 4 at the middle rotates anticlockwise or clockwise by ninety degrees, so that the screened screen plate 2 faces the screening mechanism 4 at the middle, because the screening mechanism 4 at the middle can freely slide on the sliding plate 7, referring to fig. 2-3, when the slide 7 moves left and right, the middle screening mechanism 4 can reciprocally strike the screening mechanisms 4 fixed on both sides, referring to fig. 2, when the sliding screening mechanism 4 strikes the screening mechanism 4 fixed on the left side, the open ends of the elastic corrugated pipes 1 of the two screening mechanisms 4 will be butted, an air cavity can be formed between the screen plate and the elastic corrugated pipes 1, when the screening mechanisms strike, the air cavity is compressed, the blocked screen holes are dredged by compressed air, similarly referring to fig. 3, when the sliding screening mechanism 4 strikes the screening mechanism 4 fixed on the right side, the screen holes of the opposite screen plate 2 are dredged.
Every time the screen is screened for a period of time, the screening mechanism is rotated ninety degrees, the probability of the permanent screen hole blockage of the device is reduced, meanwhile, the device can be provided with a plurality of screening mechanisms which are combined in series for screening, the screening efficiency is greatly improved, the structural characteristics of the device are utilized, the probability of the screen hole blockage is reduced, meanwhile, the device has simple structure and low manufacturing cost, certainly, the device can screen flour and can screen other powder with smaller diameter, the diameter of the powder is small, the screen hole of the screen plate 2 is smaller, the resistance is larger when the air flow shuttles the screen hole, when the air cavity is formed between the screen plate and the elastic corrugated pipe 1 and is compressed, the air can be compressed, the blocked screen hole can be dredged by the compressed air, if the device is applied to the screen plate with larger aperture, when the air cavity is formed and then the air flow continues to be compressed, the resistance of the screen hole is smaller, the air current can directly flow through from the unblocked sieve mesh, can not play the mesh mediation's of jam mesh purpose, therefore this device can use the screening of various powder thing, can not play the effect of mediation sieve mesh to graininess grain class object.
As another embodiment, referring to fig. 5, the supporting frame 6 includes a sliding cavity formed in the middle of the upper portion of the supporting frame 6 and a sliding block slidably connected in the sliding cavity, the sliding block can slide left and right in the sliding cavity, a compression spring is connected between the left and right sides of the sliding block and the left and right walls of the sliding cavity, the supporting cylinder 3 and the supporting shaft 11 are both rotatably connected with the sliding block in the supporting frame 6, and the casing of the stepping motor 12 is also fixedly connected with the sliding block, when the sliding plate 7 drives the sieving mechanism to perform left and right reciprocating vibration, the sieving mechanism 4 also performs left and right vibration under the action of the compression spring relative to the supporting frame 6, so that the vibration effect is further improved, the sieving effect is improved, and meanwhile, the sieving mechanism 4 is elastically connected with the supporting frame 6, which is beneficial to prolonging the service life of the device.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any technical solutions, concepts and designs obtained by equivalent substitutions or changes of the technical solutions and the inventive concepts of the present invention by those skilled in the art within the technical scope of the present invention shall be covered by the scope of the present invention.
Claims (4)
1. A multi-stage serial flour screening device comprises a rack (8), a sliding plate (7) which is horizontally arranged is connected to the rack (8) in a sliding mode, the sliding plate (7) can slide in a reciprocating mode in the horizontal direction, a driving mechanism (9) used for driving the sliding plate (7) to move in a reciprocating mode is installed at least one end of the sliding plate (7), the multi-stage serial flour screening device is characterized in that at least three screening mechanisms (4) are installed above the sliding plate (7), at least one screening mechanism (4) can freely slide in the length direction of the sliding plate (7), at least two screening mechanisms (4) are fixed to the sliding plate (7), and one screening mechanism (4) capable of sliding is arranged between every two fixed screening mechanisms (4);
the screening mechanism (4) comprises two vertically arranged support frames (6), a screen cylinder (13) which is horizontally arranged and has a vertical cross section being a positive quadrangle is arranged between the two support frames (6), the screen cylinder (13) consists of four screen plates (2) and two end plates, one screen plate (2) is of an openable structure, one end of the screen cylinder (13) is fixedly connected with a support shaft (11), the support shaft (11) is rotatably connected with the support frames (6), the support shaft (11) is in transmission connection with a stepping motor (12), the stepping motor (12) rotates by ninety degrees at each time, the stepping motor (12) is fixedly connected on the support frames (6), the other end of the screen cylinder (13) is fixedly connected with a support cylinder (3), one end of the support cylinder (3) is rotatably connected with a flour conveying pipe (10), the other end of the support cylinder (3) is communicated with a cavity of the screen cylinder (13), every equal rigid coupling has both ends to be open elastic bellows (1) on sieve (2), elastic bellows (1) surround the sieve mesh of sieve (2), and each rigid coupling in support frame (6) both sides of screening mechanism (4) that can slide has spring (5) that a level set up.
2. A multi-stage tandem type flour screening device according to claim 1, characterized in that the driving mechanism (9) is a crank-slider mechanism or a power telescopic cylinder assembly.
3. The multi-stage serial flour screening device as claimed in claim 1, wherein the elastic corrugated tube (1) is a food grade elastic silica gel corrugated tube.
4. The multi-stage serial flour screening device according to claim 1, wherein the number of the screening mechanisms (4) is three, each rotation of the left screening mechanism (4) is anticlockwise rotation, and each rotation of the right screening mechanism (4) is clockwise rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011392947.3A CN112620072B (en) | 2020-12-01 | 2020-12-01 | Multistage serial-type flour screening plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011392947.3A CN112620072B (en) | 2020-12-01 | 2020-12-01 | Multistage serial-type flour screening plant |
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| Publication Number | Publication Date |
|---|---|
| CN112620072A CN112620072A (en) | 2021-04-09 |
| CN112620072B true CN112620072B (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011392947.3A Active CN112620072B (en) | 2020-12-01 | 2020-12-01 | Multistage serial-type flour screening plant |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2670749B2 (en) * | 1994-06-06 | 1997-10-29 | 株式会社徳寿工作所 | Fine powder sieving equipment |
| CN2715867Y (en) * | 2004-04-08 | 2005-08-10 | 武汉理工大学 | Mica concentrating machine |
| CN102974533A (en) * | 2012-12-26 | 2013-03-20 | 镇江市科瑞制样设备有限公司 | Screening device |
| CN203913332U (en) * | 2014-04-22 | 2014-11-05 | 牧原食品股份有限公司 | A kind of pig feed mixing device |
| CN206392388U (en) * | 2016-12-19 | 2017-08-11 | 重庆七夜科技有限公司 | A kind of pair of casing vibratory material screening machinery |
| CN206838499U (en) * | 2017-06-21 | 2018-01-05 | 吴忠市嘉禾粮油食品有限公司 | A kind of flour bolt for flour screening |
| CN108160444A (en) * | 2017-12-11 | 2018-06-15 | 长沙德科投资管理咨询有限公司 | A kind of swing building sand screening plant |
| CN209124360U (en) * | 2018-09-28 | 2019-07-19 | 新乡市新科防护科技有限公司 | A kind of filter of industrial chemicals production |
| CN110238028A (en) * | 2019-06-18 | 2019-09-17 | 安徽德鑫源食品有限公司 | A kind of gas compression method anti-clogging flour impurity screening plant |
| CN209646951U (en) * | 2018-12-19 | 2019-11-19 | 河南威猛振动设备股份有限公司 | A kind of multifrequency dehydration sculping screen |
-
2020
- 2020-12-01 CN CN202011392947.3A patent/CN112620072B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2670749B2 (en) * | 1994-06-06 | 1997-10-29 | 株式会社徳寿工作所 | Fine powder sieving equipment |
| CN2715867Y (en) * | 2004-04-08 | 2005-08-10 | 武汉理工大学 | Mica concentrating machine |
| CN102974533A (en) * | 2012-12-26 | 2013-03-20 | 镇江市科瑞制样设备有限公司 | Screening device |
| CN203913332U (en) * | 2014-04-22 | 2014-11-05 | 牧原食品股份有限公司 | A kind of pig feed mixing device |
| CN206392388U (en) * | 2016-12-19 | 2017-08-11 | 重庆七夜科技有限公司 | A kind of pair of casing vibratory material screening machinery |
| CN206838499U (en) * | 2017-06-21 | 2018-01-05 | 吴忠市嘉禾粮油食品有限公司 | A kind of flour bolt for flour screening |
| CN108160444A (en) * | 2017-12-11 | 2018-06-15 | 长沙德科投资管理咨询有限公司 | A kind of swing building sand screening plant |
| CN209124360U (en) * | 2018-09-28 | 2019-07-19 | 新乡市新科防护科技有限公司 | A kind of filter of industrial chemicals production |
| CN209646951U (en) * | 2018-12-19 | 2019-11-19 | 河南威猛振动设备股份有限公司 | A kind of multifrequency dehydration sculping screen |
| CN110238028A (en) * | 2019-06-18 | 2019-09-17 | 安徽德鑫源食品有限公司 | A kind of gas compression method anti-clogging flour impurity screening plant |
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| CN112620072A (en) | 2021-04-09 |
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