CN213377673U - Rotary screen and screening system - Google Patents

Rotary screen and screening system Download PDF

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Publication number
CN213377673U
CN213377673U CN202021975015.7U CN202021975015U CN213377673U CN 213377673 U CN213377673 U CN 213377673U CN 202021975015 U CN202021975015 U CN 202021975015U CN 213377673 U CN213377673 U CN 213377673U
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China
Prior art keywords
rotary
drums
screen
rotary screen
drum
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CN202021975015.7U
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Chinese (zh)
Inventor
胡波
王儒堂
赵峰
崔万奎
赵伏兵
邵永生
付兴磊
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National Energy Group Ningxia Coal Industry Co Ltd
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National Energy Group Ningxia Coal Industry Co Ltd
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Priority to CN202021975015.7U priority Critical patent/CN213377673U/en
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Abstract

The utility model provides a rotary screen and screening system, this rotary screen are in including the mount that has inclination and setting rotary screen subassembly on the mount, rotary screen subassembly include with mount rotatable coupling's pivot and a plurality of with pivot rotatable coupling's rotary drum, it is a plurality of the rotary drum is followed the axis direction of pivot extends, and adjacent the rotary drum communicates each other, every be equipped with the screen cloth on the outer circumferencial direction of the lateral wall of rotary drum, every the below of rotary drum is equipped with ejection of compact chute, the material in the rotary drum passes through the screen cloth with ejection of compact chute discharges. Implement the utility model discloses, can sieve the material fast, improve screening efficiency and productivity.

Description

Rotary screen and screening system
Technical Field
The utility model relates to a screening technical field especially relates to a rotary screen and screening system.
Background
The rotary screen is used for screening materials and is a core device of a screening and crushing system, the existing rotary screen can only realize screening of primary or secondary materials, the capacity and the efficiency are low, and the user requirements cannot be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a rotary screen and screening system, can sieve the material fast, improve screening efficiency and productivity.
The technical proposal of the utility model provides a rotary screen, which comprises a fixed frame with an inclination angle and a rotary screen component arranged on the fixed frame,
the rotary screen assembly comprises a rotary shaft and a plurality of rotary drums, the rotary shaft is rotatably connected with the fixing frame, the rotary drums are rotatably connected with the rotary shaft, the rotary drums extend along the axis direction of the rotary shaft and are adjacent to each other, a screen is arranged on the outer circumference of the outer side wall of each rotary drum, a discharge chute is arranged below each rotary drum, and materials in the rotary drums are discharged through the screen and the discharge chute.
Further, the rotating shaft comprises a driving side and a non-driving side which are oppositely arranged, and the mesh size of the screen mesh of the adjacent rotating drum is gradually reduced along the direction of the non-driving side.
Furthermore, the rotating screen assembly further comprises a bearing and a connecting rod, one end of the bearing is rotatably connected with the rotating shaft, and the other end of the bearing is rotatably connected with the rotating drum through the connecting rod.
Further, one of the drums is disposed at the end of the driving side, and the diameter of one of the drums is smaller than the diameters of the remaining drums.
Further, the remaining drums extend in the non-driving side direction, and a diameter of each drum is constant in the non-driving side direction.
Further, the pitch between the plurality of drums is gradually decreased in the non-driving side direction.
Furthermore, the fixing frame comprises a first supporting frame, a connecting plate and a second supporting frame, the height of the first supporting frame is larger than that of the second supporting frame, and two ends of the connecting plate are respectively connected with the first supporting frame and the second supporting frame, so that the fixing frame forms the inclination angle.
Furthermore, the rotary screen assembly further comprises a dust cover covering the periphery of the rotary screen assembly.
Furthermore, the dust cover is including setting up the cover body of the upper surface of mount and with the cover body that the connection can be dismantled to the cover body, the cover body with the cover body forms the parcel the accommodation space of rotary screen subassembly.
The technical scheme of the utility model a screening system is still provided, include as before the rotary screen.
After adopting above-mentioned technical scheme, have following beneficial effect: through fixing the rotary screen subassembly on the mount, and the rotary screen subassembly includes pivot and a plurality of rotary drum, a plurality of rotary drums extend along the axis direction of pivot, and adjacent rotary drum communicates each other, is equipped with the screen cloth on the outer circumferencial direction of the lateral wall of every rotary drum, and the below of every rotary drum is equipped with ejection of compact chute, and when carrying out the screening, the material in the rotary drum passes through the screen cloth and the ejection of compact chute is discharged, realizes screening material fast, improves screening efficiency and productivity.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
fig. 1 is a schematic structural view of a rotary screen according to an embodiment of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a schematic structural view of the rotary screen assembly shown in FIG. 1;
FIG. 4 is a right side view of FIG. 3;
FIG. 5 is a schematic view of the construction of one of the drums shown in FIG. 3;
FIG. 6 is a right side view of FIG. 5;
FIG. 7 is a schematic view of the structure of the remaining drum shown in FIG. 3;
fig. 8 is a right side view of fig. 7.
Reference symbol comparison table:
10-a fixing frame; 11-a discharge chute; 12-a first support frame; 13-a connecting plate; 14-a second support; 20-a rotating screen assembly; 21-a rotating shaft; 22-a rotating drum; 23-a screen mesh; 24-a bearing; 25-a connecting rod; 30-a dust cover; 31-a cover; 32-cover body.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
It is easily understood that, according to the technical solution of the present invention, a plurality of structural modes and implementation modes that can be mutually replaced by those of ordinary skill in the art can be achieved without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are only exemplary illustrations of the technical solutions of the present invention, and should not be construed as limiting or restricting the technical solutions of the present invention in its entirety or as a limitation of the present invention.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
Referring to fig. 1 to 8, a rotary screen according to an embodiment of the present invention includes a fixed frame 10 having an inclination angle and a rotary screen assembly 20 disposed on the fixed frame 10,
the rotary screen assembly 20 comprises a rotating shaft 21 rotatably connected with the fixed frame 10 and a plurality of rotary drums 22 rotatably connected with the rotating shaft 21, the rotary drums 22 extend along the axial direction of the rotating shaft 21, the adjacent rotary drums 22 are communicated with each other, a screen 23 is arranged on the outer circumferential direction of the outer side wall of each rotary drum 22, a discharge chute 11 is arranged below each rotary drum 22, and materials in the rotary drums 22 are discharged through the screen 23 and the discharge chute 11.
The utility model provides a rotary screen includes mount 10 and rotary screen subassembly 20, and mount 10 has certain inclination, is convenient for sieve the material in the rotary drum 22 of last one-level in the rotary drum 22 of next one-level. The rotary screen component 20 is fixed on the upper surface of the fixed frame 10, the rotary screen component 20 comprises a rotating shaft 21 and a plurality of rotating drums, the plurality of rotating drums extend along the axis direction of the rotating shaft 21, the adjacent rotating drums 22 are communicated with each other, a screen 23 is arranged on the periphery of the outer side wall of each rotating drum 22, the screen 23 can be fixed on the outer side wall of the rotating drum 22 through a fixing part (such as a hoop), a discharge chute 11 is arranged below each rotating drum 22, the discharge chute 11 is fixed on the lower surface of the fixed frame 10, when the material needs to be screened, the material enters the rotating drum 22, when a driving motor is started, the driving motor drives the rotating shaft 21 to rotate and drives the rotating drum 22 to rotate, the material rotates along with the rotating drum 22 under the action of centrifugal force and friction force and rotates to a certain position, when the gravity of the material is greater than the centrifugal force and the friction force, the purpose of material separation is achieved; because the fixed frame 11 has an inclined angle, the materials which are not yet screened roll or slide to the low position along with the fixed frame, and enter the next rotary drum 22 for screening, thereby realizing the rapid screening of the materials and improving the screening efficiency and the productivity.
The number of the rotary drums 22 can be set according to parameters such as the size and rigidity of the fixed frame 10 and the rotating shaft 21, and the more the number of the rotary drums 22 is, the higher the efficiency of screening materials is.
Preferably, the degree of inclination angle is 3 degrees.
The utility model provides a rotary screen, through fixing the rotary screen subassembly on the mount, and the rotary screen subassembly includes pivot and a plurality of rotary drum, a plurality of rotary drums extend along the axis direction of pivot, and adjacent rotary drum communicates each other, is equipped with the screen cloth on the outer circumferencial direction of the lateral wall of every rotary drum, and the below of every rotary drum is equipped with ejection of compact chute, and when screening, the material in the rotary drum passes through the screen cloth and ejection of compact chute discharges, realizes the quick screening material, improves screening efficiency and productivity.
Alternatively, the rotating shaft 21 includes a driving side and a non-driving side which are oppositely arranged, and the mesh size of the screen 23 of the adjacent drum 22 becomes gradually smaller along the direction of the non-driving side.
The rotation shaft 21 includes a driving side and a non-driving side, and the driving side refers to a side of the rotation shaft 21 where a driving member, such as a motor or the like, is provided, as shown in fig. 1 and 3 as a left side. The non-driving side is disposed opposite to the driving side, and the non-driving side is located at the end of the rotating and advancing direction of the rotating shaft 21, as shown in the right side of fig. 1 and 3.
The screen openings of the screens 23 on the adjacent drums 22 are gradually smaller in size in the direction of the non-driving side, that is, the screen openings of the screens 23 on the two or more drums 22 on the driving side are the same in size, the screen openings of the screens 23 on the two or more drums 22 in the middle section are the same in size, but the screen openings of the screens 23 on the drums 22 on the driving side are larger in size than the screen openings of the screens 23 on the adjacent drums 22 in the middle section; also can be that the sieve mesh size of screen cloth 23 on the rotary drum 22 of drive side, the rotary drum 22 of interlude and the rotary drum 22 of non-drive side diminishes gradually in proper order, and its compound mode can be set for according to the user's demand, forms the screening of the material of multiple different grades, because mount 11 has inclination, last one-level transfinites the material and can roll or slide to the low position thereupon, carries out next grade screening to realize the screening of many grades, improve screening efficiency and productivity.
Optionally, as shown in fig. 2 to 4, in order to facilitate the material screening and improve the connection stability, the rotary screen assembly 20 further includes a bearing 24 and a connecting rod 25, one end of the bearing 24 is rotatably connected to the rotary shaft 21, and the other end of the bearing 24 is rotatably connected to the rotary drum 22 through the connecting rod 25.
The quantity of connecting rod 25 is a plurality of, and a plurality of connecting rods 25 distribute along the border of the inside wall of rotary drum 22, and the one end and the pivot 21 of bearing 24 rotate to be connected, and the other end of bearing 24 passes through connecting rod 25 and rotary drum 22 to rotate to be connected, and when screening the material, driving motor drives pivot 21 and rotates, and pivot 21 passes through bearing 24 and connecting rod 25 and drives rotary drum 22 and rotate, and the material in the rotary drum 22 passes through screen cloth 23 and ejection of compact chute 11 and discharges.
Alternatively, as shown in fig. 1 and 3, one of the drums 22 is disposed at the end of the driving side, and one of the drums 22 has a diameter smaller than the remaining drums 22.
The diameter of the drum 22 arranged at the end of the drive side is smaller than the diameter of the remaining drums 22, preventing the material located in the drum 22 of the inlet from escaping.
Optionally, to further increase the screening efficiency, the remaining drums 22 extend in the non-drive side direction, and the diameter of each drum 22 is constant in the non-drive side direction.
Alternatively, the pitch between the plurality of drums 22 is gradually decreased in the non-driving side direction.
Optionally, the fixing frame 10 includes a first supporting frame 12, a connecting plate 13 and a second supporting frame 14, the height of the first supporting frame 12 is greater than the height of the second supporting frame 14, and two ends of the connecting plate 13 are respectively connected to the first supporting frame 12 and the second supporting frame 14, so that the fixing frame 10 forms an inclined angle.
Optionally, as shown in fig. 1 and 2, a dust cover 30 is provided around the outer circumference of the rotary screen assembly 20 to prevent dust from contaminating the environment when screening materials.
Alternatively, as shown in fig. 1 and 2, the dust cover 30 includes a cover 31 disposed on the upper surface of the fixing frame 10 and a cover 32 detachably connected to the cover 31, and the cover 32 and the cover 31 form a receiving space for enclosing the rotary screen assembly 20.
When the rotary screen assembly 20 fails, the cover 32 is opened to replace or repair the components of the rotary screen assembly 20 for maintenance.
The technical scheme of the utility model a screening system is still provided, include as before the rotary screen.

Claims (10)

1. A rotary screen is characterized by comprising a fixed frame with an inclination angle and a rotary screen component arranged on the fixed frame,
the rotary screen assembly comprises a rotary shaft and a plurality of rotary drums, the rotary shaft is rotatably connected with the fixing frame, the rotary drums are rotatably connected with the rotary shaft, the rotary drums extend along the axis direction of the rotary shaft and are adjacent to each other, a screen is arranged on the outer circumference of the outer side wall of each rotary drum, a discharge chute is arranged below each rotary drum, and materials in the rotary drums are discharged through the screen and the discharge chute.
2. The rotary screen of claim 1, wherein the rotatable shaft includes oppositely disposed drive and non-drive sides, the screen openings of adjacent drums tapering in size in the direction of the non-drive side.
3. The rotary screen of claim 2, wherein the rotary screen assembly further comprises a bearing and a connecting rod, one end of the bearing being rotatably connected to the rotatable shaft and the other end of the bearing being rotatably connected to the rotatable drum by the connecting rod.
4. The rotary screen of claim 3, wherein one of the drums is disposed at the end of the drive side and wherein the diameter of one of the drums is smaller than the diameter of the remaining drums.
5. The rotary screen of claim 4, wherein the remaining drums extend in the non-drive side direction, and each drum has a diameter that is constant in the non-drive side direction.
6. The rotary screen of claim 5, wherein the spacing between the plurality of drums is tapered in the non-drive side direction.
7. The rotary screen of claim 1, wherein the mount comprises a first support, a connecting plate and a second support, the first support having a height greater than the second support, and the connecting plate having two ends connected to the first support and the second support, respectively, such that the mount forms the tilt angle.
8. The rotary screen of any one of claims 1-7, further comprising a dust shield around the periphery of the rotary screen assembly.
9. The rotary screen of claim 8, wherein the dust cover includes a cover body disposed on an upper surface of the mounting bracket and a cover body detachably coupled to the cover body, the cover body and the cover body forming a receiving space enclosing the rotary screen assembly.
10. A screening system comprising a rotary screen according to any one of claims 1 to 9.
CN202021975015.7U 2020-09-10 2020-09-10 Rotary screen and screening system Active CN213377673U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021975015.7U CN213377673U (en) 2020-09-10 2020-09-10 Rotary screen and screening system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021975015.7U CN213377673U (en) 2020-09-10 2020-09-10 Rotary screen and screening system

Publications (1)

Publication Number Publication Date
CN213377673U true CN213377673U (en) 2021-06-08

Family

ID=76215980

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021975015.7U Active CN213377673U (en) 2020-09-10 2020-09-10 Rotary screen and screening system

Country Status (1)

Country Link
CN (1) CN213377673U (en)

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