CN113171966A - Centrifugal screening and grading device - Google Patents
Centrifugal screening and grading device Download PDFInfo
- Publication number
- CN113171966A CN113171966A CN202110505357.5A CN202110505357A CN113171966A CN 113171966 A CN113171966 A CN 113171966A CN 202110505357 A CN202110505357 A CN 202110505357A CN 113171966 A CN113171966 A CN 113171966A
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- China
- Prior art keywords
- spoke
- guide rail
- circle
- sliding
- hinged
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Classifications
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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
- B07B1/12—Apparatus having only parallel elements
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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
- B07B1/08—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
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4636—Regulation of screen apertures
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a centrifugal screening and grading device, which comprises a base and spoke guide rail assemblies, wherein a rotary table is rotatably arranged on the base, a hinged disc is arranged at the center of the rotary table, a plurality of spoke guide rail assemblies are hinged to the edge of the hinged disc along the diameter direction, a plurality of parting bead connecting seats are movably arranged on each spoke guide rail assembly, and the distance between the parting bead connecting seats on the same spoke guide rail assembly is increased in proportion from the direction from the circle center to the outside; the telescopic division bars which can change the length are connected between the division bar connecting seats which are arranged on the two adjacent spoke guide rail assemblies and have the same distance from the circle center, and the telescopic division bars connected with the division bar connecting seats which have the same distance from the circle center form a circle of polygon; and an annular cavity is formed in the position, corresponding to each circle of the telescopic division bars, of the base. Compared with the prior art, the invention can scale the polygon enclosed by different telescopic division bars, is suitable for screening various materials with different outer diameter ranges, and can change the inclination angle of the spoke.
Description
Technical Field
The invention relates to the technical field of screening devices, in particular to a centrifugal screening and grading device.
Background
Hierarchical sieving mechanism is mainly according to the volume of object, modes such as weight and density are filtered, among the prior art, the sieve separator has vibrations sieve separator and cylinder sieve separator etc, vibrations sieve separator makes the material pass through the different net in aperture through vibrations and screens, the cylinder sieve separator comprises a plurality of drum net, the complete machine keeps the slope form with the horizon, roll fully through the cylinder, make not equidimension material flow forward along the inclination of cylinder, be screened out in corresponding net screening section, fall into in the funnel that prepares.
However, materials with small volume may not enter the corresponding grid in the previous section due to mutual overlapping, fitting and the like, and fall into the larger grid at the rear end, so that the screening is inaccurate, the centrifugal screening can be performed by combining weight and volume at the same time, the centrifugal action on the materials with small weight is not enough to move the materials to the larger peripheral grid, so that the screening accuracy is improved, however, the existing centrifugal screening equipment usually screens through a screen, because the mesh of the screen is fixed, only one specification of materials can be screened at a time, and the application range of the screening device is low.
Therefore, it is necessary to provide a centrifugal screen classifier to solve the above problems in the background art.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a centrifugal screening and grading device comprises a base and spoke guide rail assemblies, wherein a rotary table is rotatably arranged on the base, a hinged disc is arranged at the center of the rotary table, a plurality of spoke guide rail assemblies are hinged to the edge of the hinged disc along the diameter direction, a plurality of parting bead connecting seats are movably arranged on each spoke guide rail assembly, and the distance between the parting bead connecting seats on the same spoke guide rail assembly is increased in a proportion from the direction of the center of a circle to the outside;
the telescopic division bars which can change the length are connected between the division bar connecting seats which are arranged on the two adjacent spoke guide rail assemblies and have the same distance from the circle center, and the telescopic division bars connected with the division bar connecting seats which have the same distance from the circle center form a circle of polygon;
and an annular cavity is formed in the position, corresponding to each circle of the telescopic division bars, of the base.
Further preferably, the turntable comprises a surrounding plate and a partition plate, the surrounding plate surrounds the upper edge of the base for a circle, a sliding column is arranged at the position of the surrounding plate corresponding to each spoke guide rail assembly and is connected with the spoke guide rail assemblies in a sliding manner,
the baffle surrounds every cavity round in the base, and its highly is less than the bounding wall, the baffle passes through the net connection with every circle flexible parting bead that corresponds.
Further, preferably, the spoke guide rail assembly comprises spokes and a guide rail, wherein one end of each spoke, which is close to the circle center, is hinged with the hinge plate, a sliding groove is fixed below one end of each spoke, which is close to the enclosing plate, and the sliding groove is connected with the sliding column in a sliding manner;
a guide rail is fixed above the spokes, a sliding seat is arranged on the guide rail in a direction from the center of a circle to the outside in a way that the distance increases progressively according to the proportion, and a parting bead connecting seat is fixed on the sliding seat;
a sliding seat rack is fixed on the side edge of the sliding seat, and a sliding seat gear meshed with the sliding seat rack is arranged on the side edge of the sliding seat rack.
Preferably, a movable rack is arranged below the spokes in a sliding manner along the length direction of the spokes, a plurality of proportional gears meshed with the movable rack are arranged on the side edges of the movable rack, and each proportional gear penetrates through the spokes and is coaxially and fixedly connected with the corresponding slide seat gear.
Further, preferably, the transmission ratio of each proportional gear to the corresponding slide carriage gear increases in proportion along the direction from the circle center to the outside, and the proportion is the same as the proportion of the distance between the division bar connecting seats on the same spoke guide rail assembly.
Further, as preferred, the articulated dish is connected with the pivot through the ring flange, the pivot is by motor drive, the spoke side articulates there is the spoke connecting rod, it has waist shape hole to open on the spoke connecting rod opposite side, the edge of flange dish is connected to the waist shape hole of spoke connecting rod through the elasticity pin on.
Further, preferably, the center of the flange plate is connected with the hinge plate through an air spring, and a ring of dampers connected with the flange plate and the hinge plate are arranged around the air spring.
Further, preferably, a sliding shaft sleeve is sleeved on the rotating shaft, a plurality of rack connecting rods are hinged to the periphery of the sliding shaft sleeve, and one end, far away from the rotating shaft, of each rack connecting rod is hinged to the movable rack;
the sliding shaft sleeve is connected with the rotating shaft through a ball spline.
Further, as preferred, the sliding shaft sleeve is sleeved with a lifting ring, the lifting ring is rotatably connected with the sliding shaft sleeve, a servo hydraulic cylinder is further arranged below the lifting ring, a piston rod of the servo hydraulic cylinder is fixedly connected with the lifting ring, and a cylinder body of the servo hydraulic cylinder is fixedly connected with the base.
Furthermore, as preferred, parting bead connecting seat both sides are fixed with the support ball seat, movable mounting has the support ball in the support ball seat, the upper surface and the flexible parting bead fixed connection of support ball.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, the movable gear rack slides to drive each proportional gear to rotate at different rotating speeds, so that the slide carriage gears coaxially connected with the movable gear rack drive the slide carriage racks at different speeds, each slide carriage moves a certain distance on the guide rail in proportion, polygons defined by different telescopic division bars are scaled in proportion, and the size of gaps between the polygons is changed, so that the effective upper and lower threshold values of screening are changed, and the movable gear rack is suitable for screening various materials with different outer diameter ranges.
According to the invention, the height of the hinged disk can be changed by controlling the inflation pressure in the air spring, so that the inclination angle of the spoke is changed, and the centrifugal action of materials with different weights can overcome the gravity to climb to a proper height.
Drawings
FIG. 1 is a schematic view of a centrifugal screen classifier;
FIG. 2 is a schematic view of a rotary disk structure of a centrifugal screen classifier;
FIG. 3 is a schematic view of a spoke guide assembly of a centrifugal screen classifier;
FIG. 4 is a schematic view of the connection between the sliding sleeve and the spoke guide assembly of a centrifugal screen classifier;
fig. 5 is a schematic view of a spacer connecting seat structure of a centrifugal sieving and classifying device.
In the figure: 1. a base; 2. a turntable; 21. enclosing plates; 22. a partition plate; 23. a traveler; 3. a spoke guide rail assembly; 4. a hinged disk; 5. a telescopic division bar; 6. the parting strip connecting seat; 61. a support ball seat; 62. a support ball; 7. a rotating shaft; 8. a rack connecting rod; 9. loosening and tightening pins; 10. a spoke connecting rod; 11. a sliding shaft sleeve; 12. a lifting ring; 13. a servo hydraulic cylinder; 14. a damper; 15. a flange plate; 16. an air spring; 31. spokes; 32. a movable rack; 33. a guide rail; 34. a slide base; 35. a slider gear; 36. a slide rack; 37. a proportional gear; 38. a chute.
Detailed Description
Referring to fig. 1, in the embodiment of the present invention, a centrifugal screening and classifying device includes a base 1 and spoke guide rail assemblies 3, wherein a turntable 2 is rotatably disposed on the base 1, a hinged disk 4 is disposed at the center of the turntable 2, a plurality of spoke guide rail assemblies 3 are hinged to the edge of the hinged disk 4 along the diameter direction, a plurality of division bar connecting seats 6 are movably disposed on each spoke guide rail assembly 3, and the intervals between the division bar connecting seats 6 on the same spoke guide rail assembly 3 increase in proportion from the center of a circle to the outside;
the telescopic division bars 5 with the length capable of being changed are connected between the division bar connecting seats 6 with the same distance from the circle center on the two adjacent spoke guide rail assemblies 3, and the telescopic division bars 5 connected with the division bar connecting seats 6 with the same distance from the circle center form a circle of polygon;
and an annular cavity is formed in the position, corresponding to each circle of telescopic division bars 5, of the base 1.
Referring to fig. 1 and 2, in the present embodiment, the turntable 2 includes a surrounding plate 21 and a partition 22, the surrounding plate 21 surrounds the upper edge of the base 1, a sliding column 23 is disposed at a position of the surrounding plate 21 corresponding to each spoke guide rail assembly 3, and is slidably connected to the spoke guide rail assembly 3,
the partition plate 22 surrounds each cavity in the base 1 for one circle, the height of the partition plate is lower than that of the enclosing plate 21, and the partition plate 22 is connected with each circle of corresponding telescopic division bars 5 through a division net.
Referring to fig. 3, in the present embodiment, the spoke guide rail assembly 3 includes a spoke 31 and a guide rail 33, one end of the spoke 31 near the center of circle is hinged to the hinge plate 4, a sliding groove 38 is fixed below one end of the spoke 31 near the enclosure plate 21, and the sliding groove 38 is slidably connected to the sliding column 23;
a guide rail 33 is fixed above the spoke 31, a sliding seat 34 is arranged on the guide rail 33 in a direction from the center of a circle to the outside in a proportionally increasing manner, and a parting bead connecting seat 6 is fixed on the sliding seat 34;
a sliding seat rack 36 is fixed on the side of the sliding seat 34, and a sliding seat gear 35 meshed with the sliding seat rack 36 is arranged on the side of the sliding seat rack 36.
Referring to fig. 3, in this embodiment, a movable rack 32 is slidably disposed below the spoke 31 along the length direction thereof, a plurality of proportional gears 37 engaged with the movable rack 32 are disposed on the side of the movable rack 32, and each proportional gear 37 coaxially and fixedly connects with the corresponding slide rack gear 35 through the spoke 31;
in this embodiment, the transmission ratio of each proportional gear 37 to the corresponding slide carriage gear 35 increases in proportion along the direction from the center of the circle to the outside, and the proportion is the same as the proportion of the distance between the division bar connecting seats 6 on the same spoke guide rail assembly 3;
that is, the movable rack 32 slidably drives each proportional gear 37 to rotate at different rotational speeds, so that the carriage gear 35 coaxially connected to the movable rack drives the carriage rack 36 at different speeds, and each carriage 34 proportionally moves on the guide rail 33 for a certain distance, thereby scaling the polygon enclosed by the different telescopic spacers 5 to change the size of the gap therebetween.
Referring to fig. 4, in the present embodiment, the hinge plate 4 is connected to the rotating shaft 7 through a flange 15, the rotating shaft 7 is driven by a motor, the spoke 31 is hinged to a spoke connecting rod 10 at one side, a waist-shaped hole is formed on the other side of the spoke connecting rod 10, and the edge of the flange 15 is connected to the waist-shaped hole of the spoke connecting rod 10 through a tightening pin 9.
Referring to fig. 4, in the present embodiment, the center of the flange 15 is connected to the hinge plate 4 through an air spring 16, and a ring of dampers 14 connected to the flange 15 and the hinge plate 4 are disposed around the air spring 16;
when the elastic pins 9 are loosened, the height of the hinged disk 4 can be changed by controlling the inflation pressure in the air springs 16, so that the inclination angle of the spoke 31 is changed, and the inclination angle of the spoke 31 can be fixed by locking the elastic pins 9.
Referring to fig. 4, in this embodiment, a sliding shaft sleeve 11 is sleeved on the rotating shaft 7, a plurality of rack connecting rods 8 are hinged to the periphery of the sliding shaft sleeve 11, and one end of each rack connecting rod 8, which is far away from the rotating shaft 7, is hinged to the movable rack 32;
the sliding shaft sleeve 11 is connected with the rotating shaft 7 through a ball spline, and can transmit torque and move along the axial direction of the rotating shaft at the same time.
Referring to fig. 4, in this embodiment, a lifting ring 12 is sleeved on the sliding shaft sleeve 11, the lifting ring 12 is rotatably connected with the sliding shaft sleeve 11, a servo hydraulic cylinder 13 is further disposed below the lifting ring 12, a piston rod of the servo hydraulic cylinder 13 is fixedly connected with the lifting ring 12, and a cylinder body of the servo hydraulic cylinder 13 is fixedly connected with the base 1;
that is, the servo hydraulic cylinder 13 drives the lifting ring 12 to lift, which drives the sliding sleeve 11 to move along the axial direction of the rotating shaft 7, so that the rack link 8 drives the movable rack 32 to move.
Referring to fig. 5, in the present embodiment, support ball seats 61 are fixed on two sides of the division bar connecting seat 6, the support ball seats 61 are movably installed in the support ball seats 61, and upper surfaces of the support balls 62 are fixedly connected with the retractable division bar 5, that is, the division bar connecting seat 6 is connected with the retractable division bar 5 through the support balls 62, so that the retractable division bar 5 and the division bar connecting seat 6 can rotate in any direction.
When the device is specifically implemented, a material is placed in the middle of the hinged disk 4, the motor drives the rotary disk 2, the spoke guide rail assembly 3, the hinged disk 4 and the telescopic division bars 5 to rotate together, the material moves to the edge of the rotary disk 2 under the centrifugal action and falls into the annular cavity body corresponding to the base 1 from the gaps of the telescopic division bars 5 with proper size;
when the elastic pins 9 are loosened, the height of the hinged disk 4 can be changed by controlling the inflation pressure in the air springs 16, so that the inclination angle of the spoke 31 is changed, the elastic pins 9 are locked to fix the inclination angle of the spoke 31, and the elastic pins 9 are fastened after the locking is completed;
in addition, the servo hydraulic cylinder 13 drives the lifting ring 12 to lift, so as to drive the sliding shaft sleeve 11 to move along the axial direction of the rotating shaft 7, so that the rack connecting rod 8 drives the movable rack 32 to move, each proportional gear 37 rotates at different rotating speeds, the sliding seat gear 35 coaxially connected with the proportional gear drives the sliding seat rack 36 at different speeds, each sliding seat 34 moves on the guide rail 33 for a certain distance in proportion, and therefore polygons surrounded by different telescopic division bars 5 are scaled in proportion, and the size of gaps among the polygons is changed.
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 person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (10)
1. A centrifugal screening and grading device comprises a base (1) and spoke guide rail assemblies (3), and is characterized in that a rotary table (2) is rotatably arranged on the base (1), a hinged disc (4) is arranged at the center of the rotary table (2), a plurality of spoke guide rail assemblies (3) are hinged to the edge of the hinged disc (4) along the diameter direction, a plurality of parting bead connecting seats (6) are movably arranged on each spoke guide rail assembly (3), and the distance between the parting bead connecting seats (6) on the same spoke guide rail assembly (3) is increased in proportion from the direction of the circle center outwards;
the telescopic division bars (5) with the length capable of being changed are connected between the division bar connecting seats (6) with the same distance from the circle center on the two adjacent spoke guide rail assemblies (3), and the telescopic division bars (5) connected with the division bar connecting seats (6) with the same distance from the circle center enclose a circle of polygon;
the base (1) is provided with an annular cavity corresponding to the position of each circle of the telescopic division bars (5).
2. A centrifugal screen classifier according to claim 1, characterized in that the rotary disc (2) comprises a shroud (21) and a partition (22), the shroud (21) surrounding the upper edge of the base (1) in a circle, the shroud (21) being provided with a sliding column (23) corresponding to each spoke guide rail assembly (3) and slidably connected to the spoke guide rail assembly (3),
the partition plate (22) surrounds each cavity in the base (1) for one circle, the height of the partition plate is lower than that of the coaming (21), and the partition plate (22) is connected with each corresponding circle of telescopic division bars (5) through a division net.
3. A centrifugal screen classifier according to claim 1, characterized in that the spoke guide rail assembly (3) comprises spokes (31) and a guide rail (33), one end of each spoke (31) close to the circle center is hinged with the hinge disc (4), a sliding groove (38) is fixed below one end of each spoke (31) close to the coaming (21), and the sliding groove (38) is connected with the sliding column (23) in a sliding manner;
a guide rail (33) is fixed above the spoke (31), a sliding seat (34) is arranged on the guide rail (33) in a direction from the center of a circle to the outside in a way that the distance increases progressively according to the proportion, and a parting bead connecting seat (6) is fixed on the sliding seat (34);
a sliding seat rack (36) is fixed on the side of the sliding seat (34), and a sliding seat gear (35) meshed with the sliding seat rack (36) is arranged on the side of the sliding seat rack (36).
4. A centrifugal screen classifier according to claim 3, wherein the spokes (31) are provided with movable racks (32) slidably along the length thereof, the movable racks (32) are provided with a plurality of proportional gears (37) engaged therewith on the sides thereof, and each proportional gear (37) is coaxially and fixedly connected with the corresponding slide gear (35) through the spokes (31).
5. A centrifugal screen classifier as claimed in claim 4, wherein the ratio of each of said ratio gears (37) to the corresponding carriage gears (35) increases proportionally in a direction away from the center of the circle and proportionally with the same ratio of the spacing of the spacer bar attachment seats (6) on the same spoke guide assembly (3).
6. A centrifugal screen classifier according to claim 3, characterized in that the hinged disk (4) is connected with the rotating shaft (7) through a flange (15), the rotating shaft (7) is driven by a motor, the spokes (31) are hinged with spoke connecting rods (10) at the sides, waist-shaped holes are formed on the other sides of the spoke connecting rods (10), and the edge of the flange (15) is connected to the waist-shaped holes of the spoke connecting rods (10) through the elastic pins (9).
7. A centrifugal screen classifier according to claim 6, characterized in that the centre of the flange (15) is connected to the hinge plate (4) by means of an air spring (16), and that a ring of dampers (14) is arranged around the air spring (16) and connected to the flange (15) and the hinge plate (4).
8. A centrifugal screen grading device according to claim 6, characterized in that the rotating shaft (7) is sleeved with a sliding bushing (11), the periphery of the sliding bushing (11) is hinged with a plurality of rack connecting rods (8), and one end of each rack connecting rod (8) far away from the rotating shaft (7) is hinged to the movable rack (32);
the sliding shaft sleeve (11) is connected with the rotating shaft (7) through a ball spline.
9. A centrifugal screen classifier according to claim 8, characterized in that the sliding sleeve (11) is sleeved with a lifting ring (12), the lifting ring (12) is rotatably connected with the sliding sleeve (11), a servo hydraulic cylinder (13) is further arranged below the lifting ring (12), a piston rod of the servo hydraulic cylinder (13) is fixedly connected with the lifting ring (12), and a cylinder body of the servo hydraulic cylinder (13) is fixedly connected with the base (1).
10. A centrifugal screen classifier according to claim 1, characterized in that the spacer connecting seat (6) is fixed with supporting ball seats (61) at both sides, the supporting ball seats (61) are movably installed in the supporting ball seats (61), and the upper surfaces of the supporting balls (62) are fixedly connected with the telescopic spacers (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110505357.5A CN113171966B (en) | 2021-05-10 | 2021-05-10 | Centrifugal screening and grading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110505357.5A CN113171966B (en) | 2021-05-10 | 2021-05-10 | Centrifugal screening and grading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113171966A true CN113171966A (en) | 2021-07-27 |
| CN113171966B CN113171966B (en) | 2022-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110505357.5A Active CN113171966B (en) | 2021-05-10 | 2021-05-10 | Centrifugal screening and grading device |
Country Status (1)
| Country | Link |
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| CN (1) | CN113171966B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113577886A (en) * | 2021-08-05 | 2021-11-02 | 李志鹏 | Environmental protection device for industrial wastewater desilting |
| CN114731808A (en) * | 2022-04-25 | 2022-07-12 | 西北农林科技大学 | Precision seeder for greenhouse vegetables |
| CN114798405A (en) * | 2022-03-08 | 2022-07-29 | 安徽理工大学 | Fine processing screening installation of organic rice |
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| CN2277830Y (en) * | 1996-10-19 | 1998-04-08 | 孙复华 | Centrifugal screen for granular material |
| JPH11300285A (en) * | 1998-04-24 | 1999-11-02 | Satake Eng Co Ltd | Rotary oscillating selector |
| CN104275296A (en) * | 2013-07-01 | 2015-01-14 | 洛传锋 | Circular rotary disk centrifugal vibrating screening machine |
| CN107344167A (en) * | 2016-05-05 | 2017-11-14 | 北京百旺环境科技股份有限公司 | Isolate centrifugal material screening grading technology and its special equipment |
| CN211160731U (en) * | 2019-12-13 | 2020-08-04 | 郝守信 | Centrifugal coal screening equipment |
| CN212759742U (en) * | 2020-07-07 | 2021-03-23 | 徐州鑫华耐磨材料有限公司 | Categorised sieving mechanism of steel ball production |
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2021
- 2021-05-10 CN CN202110505357.5A patent/CN113171966B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2277830Y (en) * | 1996-10-19 | 1998-04-08 | 孙复华 | Centrifugal screen for granular material |
| JPH11300285A (en) * | 1998-04-24 | 1999-11-02 | Satake Eng Co Ltd | Rotary oscillating selector |
| CN104275296A (en) * | 2013-07-01 | 2015-01-14 | 洛传锋 | Circular rotary disk centrifugal vibrating screening machine |
| CN107344167A (en) * | 2016-05-05 | 2017-11-14 | 北京百旺环境科技股份有限公司 | Isolate centrifugal material screening grading technology and its special equipment |
| CN211160731U (en) * | 2019-12-13 | 2020-08-04 | 郝守信 | Centrifugal coal screening equipment |
| CN212759742U (en) * | 2020-07-07 | 2021-03-23 | 徐州鑫华耐磨材料有限公司 | Categorised sieving mechanism of steel ball production |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113577886A (en) * | 2021-08-05 | 2021-11-02 | 李志鹏 | Environmental protection device for industrial wastewater desilting |
| CN114798405A (en) * | 2022-03-08 | 2022-07-29 | 安徽理工大学 | Fine processing screening installation of organic rice |
| CN114731808A (en) * | 2022-04-25 | 2022-07-12 | 西北农林科技大学 | Precision seeder for greenhouse vegetables |
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| Publication number | Publication date |
|---|---|
| CN113171966B (en) | 2022-10-18 |
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