CN112791950B - Forced screening device capable of being classified rapidly - Google Patents
Forced screening device capable of being classified rapidly Download PDFInfo
- Publication number
- CN112791950B CN112791950B CN202011491255.4A CN202011491255A CN112791950B CN 112791950 B CN112791950 B CN 112791950B CN 202011491255 A CN202011491255 A CN 202011491255A CN 112791950 B CN112791950 B CN 112791950B
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- Prior art keywords
- rotating shaft
- screen
- frame
- rapid
- screening device
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- 238000012216 screening Methods 0.000 title claims abstract description 46
- 238000007790 scraping Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims 4
- 230000007423 decrease Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- 239000000463 material Substances 0.000 description 20
- 238000007599 discharging Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/20—Disintegrating by grating
-
- 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
- B07B1/08—Screens rotating within their own plane
-
- 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
- B07B1/50—Cleaning
- B07B1/52—Cleaning with brushes or scrapers
- B07B1/526—Cleaning with brushes or scrapers with scrapers
- B07B1/528—Cleaning with brushes or scrapers with scrapers the scrapers being rotating
-
- 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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a forced screening device capable of being classified rapidly, which comprises a frame, a rotating shaft, a screen disc assembly, a driving mechanism and a collecting disc, wherein the frame is provided with a plurality of screening discs; the rotating shaft is vertically arranged, the rotating shaft is slidably and rotatably arranged on the rack, and the driving mechanism is used for enabling the rotating shaft to slide up and down while rotating; the screen disc assembly comprises a plurality of screen discs which are arranged on the frame from top to bottom at intervals, through holes are formed in the middle of each screen disc, the bottom end of the rotating shaft sequentially penetrates through the plurality of through holes and extends to the lower side of the screen disc assembly, and the rotating shaft is in rotary sealing fit with the inner wall of each through hole; a plurality of connecting rods which are arranged along the radial direction of the rotating shaft are arranged on the rotating shaft at intervals along the axial direction, the connecting rods are positioned above the screen discs in a one-to-one correspondence manner, rubber scraping plates are arranged at the bottom of each connecting rod, and in the process that the rotating shaft slides up and down relative to the rack, the rubber scraping plates are in compression sliding fit with the corresponding screen discs all the time; the collection tray is arranged on the frame below the screen tray component. The invention effectively improves the screening efficiency and the screening effect.
Description
Technical Field
The invention relates to the technical field of screening equipment, in particular to a forced screening device capable of being classified rapidly.
Background
In the prior art, a forced screen is often used for screening materials which are difficult to pass through the screen, such as materials with very light bulk density, materials with the particle size similar to the diameter of a screen hole and materials with slightly larger viscosity and easy to be absorbed by the screen holes, but the scraping plate and the screen surface of the forced screen in the prior art have constant pressure, the materials with slightly larger viscosity are easy to be agglomerated into agglomerates with different particle sizes, and the scraping plate with constant pressure has poor crushing effect on the agglomerates with different particle sizes, so that the screening efficiency and the screening precision are influenced.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides a forced screening device capable of being classified rapidly.
The invention provides a forced screening device capable of being classified rapidly, which comprises: the device comprises a frame, a rotating shaft, a screen disc assembly, a driving mechanism and a collecting disc;
the rotating shaft is vertically arranged, the rotating shaft can slide and is rotatably arranged on the frame, and the driving mechanism is used for driving the rotating shaft to rotate and can enable the rotating shaft to slide up and down relative to the frame in the rotating process;
the screen disc assembly comprises a plurality of screen discs which are sequentially arranged on the frame at intervals from top to bottom, the screen discs are coaxially arranged, through holes are formed in the middle of each screen disc, the bottom end of the rotating shaft sequentially penetrates through the plurality of through holes and extends to the lower side of the screen disc assembly, and the rotating shaft is in rotary sealing fit with the inner walls of the through holes;
a plurality of connecting rods which are arranged along the radial direction of the rotating shaft are arranged on the rotating shaft at intervals along the axial direction, the connecting rods are positioned above the screen discs in a one-to-one correspondence manner, rubber scraping plates are arranged at the bottom of each connecting rod, and in the process that the rotating shaft slides up and down relative to the rack, the rubber scraping plates are in compression sliding fit with the corresponding screen discs all the time;
the collection tray sets up in the frame bottom, and is located screen tray subassembly below.
Preferably, the driving mechanism comprises a motor and a first guide assembly, the first guide assembly is arranged at the top of the frame, the motor is arranged on the first guide assembly and can slide up and down relative to the first guide assembly, and the top end of the rotating shaft is fixed with the output end of the motor;
the rotating shaft is positioned above the screen disc assembly and sequentially sleeved with a first ring body and a second ring body from top to bottom, the first ring body is fixedly connected with the rotating shaft, and the second ring body is fixedly connected with the frame;
the bottom of the first ring body is provided with a sliding mechanism, the top of the second ring body is annularly provided with an annular chute matched with the sliding mechanism, the bottom wall of the annular chute is continuously arranged in a wave shape in the circumferential direction of the second ring body, and in the process of driving the rotating shaft to rotate by a motor, the sliding mechanism is always in sliding contact with the bottom of the annular chute, so that the rotating shaft can slide up and down relative to the frame.
Preferably, a second guide assembly is arranged at the position, corresponding to each screen disc, of the frame, and the screen disc is arranged on the second guide assembly and can slide up and down relative to the second guide assembly;
a plurality of annular limiting plates are arranged on the rotating shaft along the axial direction at intervals, the annular limiting plates are located below the screen plates in a one-to-one correspondence mode, and each annular limiting plate abuts against the corresponding screen plate.
Preferably, a spring is arranged between the annular limiting plate and the corresponding screen disc.
Preferably, the screen disc comprises a circular screen plate and an annular baffle plate, the annular baffle plate is arranged on the periphery of the circular screen plate, and one end of the connecting rod, which is far away from the rotating shaft, is rotationally attached to the inner wall of the annular baffle plate.
Preferably, a discharge hole is formed in one side of the annular baffle, and a plugging assembly for opening and closing the discharge hole is arranged at the discharge hole.
Preferably, the shape of the plugging piece in the plugging assembly is adapted to the annular baffle, and when the plugging piece plugs the discharge hole, the inner wall of the plugging piece and the inner wall of the annular baffle form a complete cylindrical surface.
Preferably, one end of the connecting rod, which is far away from the rotating shaft, is bent to the front of the rotating direction of the rotating shaft to form a bending part, one end of the bending part, which is far away from the rotating shaft, is rotationally attached to the inner wall of the annular baffle, and the shape of the rubber scraping plate is matched with that of the connecting rod.
Preferably, the sliding mechanism is a roller.
Preferably, the rubber scraper comprises a rubber body and a metal framework, wherein the metal framework is arranged inside the rubber body.
Preferably, the diameters of the mesh holes of the plurality of screen trays become smaller in order from top to bottom.
Preferably, two adjacent connecting rods are arranged in a staggered manner in the circumferential direction of the rotating shaft.
According to the invention, the rotating shaft can be driven by the driving mechanism to rotate and simultaneously drive the plurality of rubber scrapers to rotate so as to forcedly screen the plurality of screen trays, and meanwhile, the rotating shaft can slide up and down while rotating so as to adjust the pressure between the rubber scrapers and the screen trays, so that the bonded agglomerated materials can be conveniently crushed by the pressure and the crushed materials can be promoted to pass through the screen, the phenomenon that the materials block the screen is avoided, and the screening efficiency and the screening effect of classified screening are effectively improved.
Drawings
Fig. 1 is a schematic structural diagram of a rapid classifying forced screening device according to the present invention.
Fig. 2 is an enlarged view at a of fig. 1.
Fig. 3 is a schematic structural diagram of another embodiment of the present invention.
Detailed Description
As shown in fig. 1, fig. 1 is a schematic structural diagram of a rapid classification forced screening device according to the present invention; FIG. 2 is an enlarged view at A of FIG. 1; fig. 3 is a schematic structural diagram of another embodiment of the present invention.
Referring to fig. 1 and 2, the present invention provides a rapid classification forced screening device, comprising: the device comprises a frame 1, a driving mechanism, a rotating shaft 4, a screen disc assembly and a collecting disc 11;
the rotating shaft 4 is vertically arranged, the rotating shaft 4 is slidably and rotatably arranged on the frame 1, the driving mechanism is used for driving the rotating shaft 4 to rotate, and the rotating shaft 4 can slide up and down relative to the frame 1 in the rotating process;
the screen disc assembly comprises a plurality of screen discs 5, the screen discs 5 are sequentially arranged on the frame 1 at intervals from top to bottom, the screen discs 5 are coaxially arranged, through holes are formed in the middle of each screen disc 5, the bottom end of the rotating shaft 4 sequentially penetrates through the through holes and extends to the lower side of the screen disc assembly, and the rotating shaft 4 is in rotary sealing fit with the inner walls of the through holes;
a plurality of connecting rods 6 which are arranged along the radial direction of the rotating shaft 4 are arranged on the rotating shaft 4 at intervals along the axial direction, the connecting rods 6 are positioned above the screen plates 5 in a one-to-one correspondence manner, rubber scraping plates are arranged at the bottom of each connecting rod 6, and in the process that the rotating shaft 4 slides up and down relative to the frame 1, the rubber scraping plates are always in compression sliding fit with the corresponding screen plates 5;
the collection tray 11 is arranged at the bottom of the frame 1 and below the screen tray assembly.
When the device is specifically used, the driving mechanism drives the rotating shaft 4 to rotate, and simultaneously the rotating shaft 4 slides up and down relative to the frame 1, so that the pressure between the rubber scraping plate and the screen disc 5 is regulated under the condition that the rubber scraping plate is always in sliding contact with the screen disc 5 to force the materials to pass through the screen, the bonded agglomerated materials are conveniently crushed by the pressure, the crushed materials are promoted to pass through the screen, the phenomenon that the materials block the screen is avoided, and the screening efficiency and the screening effect of the classified screening are effectively improved.
In order that the rotating shaft 4 can slide up and down relative to the frame 1 in the rotating process, in the embodiment, the driving mechanism comprises a motor 3 and a first guide assembly 2, the first guide assembly 2 is arranged at the top of the frame 1, the motor 3 is arranged on the first guide assembly 2 and can slide up and down relative to the first guide assembly 2, and the top end of the rotating shaft 4 is fixed with the output end of the motor 3;
the rotating shaft 4 is positioned above the screen disc assembly, a first ring body 9 and a second ring body 10 are sequentially sleeved on the rotating shaft 4 from top to bottom, the first ring body 9 is fixedly connected with the rotating shaft 4, and the second ring body 10 is fixedly connected with the frame 1;
the bottom of the first ring body 9 is provided with a sliding mechanism, the top of the second ring body 10 is annularly provided with an annular chute matched with the sliding mechanism, and the bottom wall of the annular chute is continuously arranged in a wave shape in the circumferential direction of the second ring body 10;
in the process of driving the rotating shaft 4 to rotate by the motor 3, the sliding mechanism is always in sliding contact with the bottom of the annular chute, so that the rotating shaft 4 can slide up and down relative to the frame 1.
When the device is specifically used, the motor 3 drives the rotating shaft 4 to rotate, the rotating shaft 4 rotates to drive the first ring body 9 to rotate, under the action of gravity of the motor 3, the sliding mechanism can move up and down along with the fluctuation of the wave at the bottom of the annular chute while sliding along the bottom of the annular chute, so that the rotating shaft 4 moves up and down while rotating, and the rotating shaft 4 can slide up and down while driving the rotating shaft 4 to rotate only by one motor 3, so that the device is simple in structure and convenient to operate.
In order to ensure the effect of breaking the bonded agglomerated material, in this embodiment, the rubber scraper includes a rubber body and a metal skeleton, and the metal skeleton is disposed inside the rubber body.
Further, the rubber body and the metal framework are vulcanized into an integrated structure.
Referring to fig. 1, in order to improve screening effect, in this embodiment, a second guide assembly is disposed at a position corresponding to each screen tray 5 of the frame 1, and the screen tray 5 is disposed on the second guide assembly and can slide up and down relative to the second guide assembly;
a plurality of annular limiting plates 7 are arranged on the rotating shaft 4 along the axial direction at intervals, the annular limiting plates 7 are located below the screen plates 5 in a one-to-one correspondence mode, and each annular limiting plate 7 abuts against the corresponding screen plate 5.
When the rotary shaft 4 moves up and down, the annular limiting plate 7 can drive the corresponding screen disc 5 to move up and down, so that vibration discharging of materials is facilitated, the distance between the connecting rod 6 and the screen disc 5 can be limited, the rubber scraping plate can be always in compression sliding fit with the screen disc 5, and the forced screening effect is improved.
Referring to fig. 3, in the present embodiment, a spring 8 is provided between the annular limiting plate 7 and the corresponding screen plate 5. When the rotating shaft 4 moves up and down, the spring 8 can provide elastic supporting force for the screen disc 5, the movable range between the connecting rod 6 and the screen disc 5 is further limited, the elastic supporting force of the spring 8 and the bidirectional pressure of the scraping plate crush the bonded agglomerated materials, and the forced screening effect is further improved; the pressure of the scraping plate on the screen disc 5 is changed, the force borne by the spring 8 is also changed, and the thrust of the spring 8 on the screen disc 5 is also changed, so that the vibration screening effect can be improved; therefore, the arrangement of the spring 8 can effectively improve the screening effect.
In this embodiment, sieve tray 5 includes circular sieve and annular baffle, and annular baffle sets up in circular sieve periphery, and the one end that pivot 4 was kept away from to connecting rod 6 and annular baffle's inner wall rotate the laminating, effectively avoids the material on the circular sieve to throw away around circular sieve under the effect of centrifugal force, can make the material force the screening under the effect of rubber scraper blade, has effectively improved the screening effect.
In addition, in order to facilitate the material discharging after screening and grading, in the embodiment, a discharging hole is formed in one side of the annular baffle plate, and a plugging component for opening and closing the discharging hole is movably arranged at the discharging hole.
Of course, the shape of the plugging piece in the plugging assembly is adapted to the annular baffle, and when the plugging piece plugs the discharge hole, the inner wall of the plugging piece and the inner wall of the annular baffle form a complete cylindrical surface.
In order to avoid stacking materials on the inner wall of the annular baffle in the screening process, in the embodiment, one end of the connecting rod 6, which is far away from the rotating shaft 4, is bent to form a bending part in front of the rotating direction of the rotating shaft 4, and the one end of the bending part, which is far away from the rotating shaft 4, is rotationally attached to the inner wall of the annular baffle, and the shape of the rubber scraping plate is matched with that of the connecting rod 6.
In order to improve the sieving effect, in the present embodiment, the diameters of the mesh holes of the plurality of sieve trays 5 become smaller in order from top to bottom.
In order to force the screening of the material falling onto the screen tray 5 in time, the screening efficiency is further improved, and in this embodiment, two adjacent connecting rods 6 are arranged in a staggered manner in the circumferential direction of the rotating shaft 4.
Referring to fig. 2, in the present embodiment, the sliding mechanism is a roller 12. By changing sliding into rolling, friction is reduced, resistance is reduced, and the high sliding mechanism rotates in the annular chute more smoothly.
In practice, the number of the rollers 12 may be one or more. When the quantity of gyro wheel 12 is a plurality of, a plurality of gyro wheels 12 set up in the peripheral of first mill along circumference interval, can improve the holding power to first mill, make first mill keep the level, of course, the bottom of annular spout suits with a plurality of gyro wheels 12 to make slide mechanism at annular spout gliding in-process, a plurality of gyro wheels 12 slide to the trough department of annular spout by the crest department of annular spout simultaneously or by the trough department of annular spout to the crest department of annular spout guarantee the grinding effect.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (11)
1. A rapid-classifying forced screening apparatus, comprising: a frame (1), a driving mechanism, a screen disc assembly and a collecting disc (11);
the rotating shaft (4) is vertically arranged, the rotating shaft (4) is slidably and rotatably arranged on the frame (1), the driving mechanism is used for driving the rotating shaft (4) to rotate, and the rotating shaft (4) can slide up and down relative to the frame (1) in the rotating process;
the screen disc assembly comprises a plurality of screen discs (5), the screen discs (5) are sequentially arranged on the frame (1) at intervals from top to bottom, the screen discs (5) are coaxially arranged, through holes are formed in the middle of each screen disc (5), the bottom end of the rotating shaft (4) sequentially penetrates through the through holes and extends to the lower side of the screen disc assembly, and the rotating shaft (4) is in rotary sealing fit with the inner wall of the through hole;
a plurality of connecting rods (6) which are arranged along the radial direction of the rotating shaft (4) are arranged on the rotating shaft (4) at intervals along the axial direction, the connecting rods (6) are positioned above the screen discs (5) in a one-to-one correspondence manner, rubber scraping plates are arranged at the bottom of each connecting rod (6), and the rubber scraping plates are in compression sliding fit with the corresponding screen discs (5) all the time in the process that the rotating shaft (4) slides up and down relative to the frame (1);
the collecting tray (11) is arranged at the bottom of the frame (1) and is positioned below the screen tray component;
the driving mechanism comprises a first guiding component (2) and a motor (3);
the first guide assembly (2) is arranged at the top of the frame (1), the motor (3) is arranged on the first guide assembly (2) and can slide up and down relative to the first guide assembly (2), and the top end of the rotating shaft (4) is fixed with the output end of the motor (3);
a first ring body (9) and a second ring body (10) are sequentially sleeved on the rotating shaft (4) from top to bottom, the first ring body (9) is fixedly connected with the rotating shaft (4), and the second ring body (10) is fixedly connected with the frame (1);
the bottom of the first ring body (9) is provided with a sliding mechanism, the top of the second ring body (10) is annularly provided with an annular chute matched with the sliding mechanism, the bottom wall of the annular chute is continuously arranged in a wavy manner in the circumferential direction of the second ring body (10), and in the process of driving the rotating shaft (4) by the motor (3), the sliding mechanism is always in sliding contact with the bottom of the annular chute, so that the rotating shaft (4) can slide up and down relative to the frame (1).
2. A rapid-classifying forced screening device according to claim 1, wherein the frame (1) is provided with a second guide assembly in correspondence with each screen tray (5), the screen trays (5) being arranged on the second guide assembly and being slidable up and down with respect to the second guide assembly;
a plurality of annular limiting plates (7) are sequentially arranged on the rotating shaft (4) along the axial direction at intervals, the annular limiting plates (7) are located below the screen discs (5) in a one-to-one correspondence mode, and each annular limiting plate (7) abuts against the corresponding screen disc (5).
3. A rapid-classifying forced screening device according to claim 2, characterized in that a spring (8) is arranged between the annular limiting plate (7) and the corresponding screen disc (5).
4. The rapid-grading forced screening device according to claim 1, wherein the screen disc (5) comprises a circular screen plate and an annular baffle plate, the annular baffle plate is arranged at the periphery of the circular screen plate, and one end of the connecting rod (6) far away from the rotating shaft (4) is rotationally attached to the inner wall of the annular baffle plate.
5. The rapid-classification forced-screening device of claim 4, wherein the annular baffle is provided with a discharge port on one side, and the discharge port is provided with a plugging assembly for opening and closing the discharge port.
6. The rapid-classifying forced screening device according to claim 5, wherein the shape of the blocking member in the blocking assembly is adapted to the shape of the annular baffle, and the inner wall of the blocking member and the inner wall of the annular baffle form a complete cylindrical surface when the blocking member blocks the discharge port.
7. The rapid-grading forced screening device according to claim 4, wherein one end of the connecting rod (6) far away from the rotating shaft (4) is bent towards the front of the rotating direction of the rotating shaft (4) to form a bending part, one end of the bending part far away from the rotating shaft (4) is rotationally attached to the inner wall of the annular baffle, and the shape of the rubber scraping plate is matched with that of the connecting rod (6).
8. A rapid-classifying-able forced screening device according to claim 1, characterized in that the sliding mechanism is a roller (12).
9. The rapid-classifying forced screening device according to claim 1, wherein the rubber scraper comprises a rubber body and a metal skeleton, the metal skeleton being disposed inside the rubber body.
10. A rapid-classifying forced screening device according to claim 1, characterized in that the diameter of the screening holes of the plurality of screening discs (5) decreases in sequence from top to bottom.
11. A rapid-classifying-able forced screening device according to claim 1, characterized in that two adjacent connecting rods (6) are arranged offset in the circumferential direction of the rotation shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011491255.4A CN112791950B (en) | 2020-12-16 | 2020-12-16 | Forced screening device capable of being classified rapidly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011491255.4A CN112791950B (en) | 2020-12-16 | 2020-12-16 | Forced screening device capable of being classified rapidly |
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| CN112791950A CN112791950A (en) | 2021-05-14 |
| CN112791950B true CN112791950B (en) | 2024-01-12 |
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| CN113953013A (en) * | 2021-10-21 | 2022-01-21 | 丽江英煌集生物工程有限公司 | Efficient macamide extraction device and preparation method thereof |
| CN114405615B (en) * | 2022-01-21 | 2023-04-25 | 张建建 | Production equipment for preparing regenerated building material from building garbage |
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| US4364755A (en) * | 1981-12-17 | 1982-12-21 | Hans Ferri | Filter assembly |
| CN106719234A (en) * | 2017-01-18 | 2017-05-31 | 上海海洋大学 | A kind of efficient hydriopsis cumingii classification device for sorting |
| CN109499863A (en) * | 2018-10-19 | 2019-03-22 | 张孟齐 | A kind of chemical industry material Multilayer screening apparatus |
| CN209006160U (en) * | 2018-11-07 | 2019-06-21 | 范春峰 | A kind of agricultural machinery screening plant |
| CN110238046A (en) * | 2019-07-16 | 2019-09-17 | 唐军忠 | A kind of vibratory material gradation screening plant |
| CN111495751A (en) * | 2020-04-22 | 2020-08-07 | 刘红梅 | Printing ink manufacturing raw material pigment pretreatment system |
| CN212093190U (en) * | 2020-04-27 | 2020-12-08 | 新乡市先臣振动机械有限公司 | Novel forced screen-passing vibrating screen |
| CN111842135A (en) * | 2020-07-24 | 2020-10-30 | 萧县华野农业科技有限公司 | Yulan seed sieving mechanism for agricultural production |
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