CN112264288A

CN112264288A - Drum screen for multi-stage multi-layer screening of minerals

Info

Publication number: CN112264288A
Application number: CN202011236834.4A
Authority: CN
Inventors: 陆永和; 顾敏; 肖建国; 王永峰
Original assignee: Jiangsu Heerxing Machinery Manufacturing Co ltd
Current assignee: Jiangsu Heerxing Machinery Manufacturing Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-01-26

Abstract

The invention discloses a multi-stage multi-layer screening rotary screen for minerals, which comprises a rotary screen, wherein a frame is arranged on the outer side of the rotary screen, the frame is of a rectangular structure, the rotary screen is positioned above the inside of the frame and is rotationally connected with the frame, a plurality of vibrating screens and a conveying belt are sequentially arranged in the frame from top to bottom, the vibrating screens are connected with the frame in an inserted manner, the conveying belt is rotationally connected with the frame, the vibrating screens are positioned under the rotary screen, the conveying belt is positioned below one vibrating screen, and the position of the conveying belt is adjusted according to work requirements.

Description

Drum screen for multi-stage multi-layer screening of minerals

Technical Field

The invention relates to the technical field of screening, in particular to a drum screen for multi-stage and multi-layer screening of minerals.

Background

The drum sieve is used universally in the mineral field as an important screening tool, after materials enter the drum device, the materials on the sieve surface are overturned and rolled due to the inclination and the rotation of the drum device, so that the qualified materials (undersize products) are discharged through a screen on the excircle of the drum, the unqualified materials (oversize products) are discharged through the tail end of the drum, the functions of the drum sieve are increased through development, such as multilayer screening, however, the existing multilayer screening drum sieve is not uniform in screening, so that the screened minerals are mixed with impurities, and in order to solve the problem, the product is designed by the inventor.

Disclosure of Invention

The invention aims to provide a multi-stage multi-layer screening rotary screen for minerals, which aims to solve the problem that impurities are mixed in screened minerals due to uneven screening of the existing multi-stage screening rotary screen.

The invention is realized by the following steps:

a trommel screen for multistage multilayer screening of minerals comprises a trommel screen, wherein a frame is arranged on the outer side of the trommel screen, the frame is of a rectangular structure, the trommel screen is positioned above the inside of the frame and is rotationally connected with the frame, a plurality of vibrating screens and a conveying belt are sequentially arranged in the frame from top to bottom, the vibrating screens are connected with the frame in an inserting manner, the conveying belt is rotationally connected with the frame, the vibrating screens are positioned under the trommel screen, the conveying belt is positioned under a certain vibrating screen and the position of the conveying belt is adjusted according to work requirements, the frame is arranged so as to provide support for the trommel screen, the vibrating screens and the conveying belt so as to realize multistage multilayer screening function, the trommel screen is arranged so as to provide first screening for minerals so as to screen the required minerals, and the plurality of vibrating screens are arranged so as to screen the minerals from the first stage to the screening for a plurality of, the size of the sieve pores of the vibrating sieves is gradually reduced from close to far away from the rotary sieve, so that the screening range of the vibrating sieve is expanded, the screened minerals are conveyed to a storage place to be processed in the next process, the position of the conveying belt is adjusted so that the conveying belt is installed below the last vibrating sieve in the vibrating sieves selected for use, and the influence on the conveying of the screened minerals due to the fixation of the conveying belt is avoided.

Further, the terminal surface is open structure around the frame, the equal symmetry in two vertical faces of the upside of the inside of frame is provided with two faggings, fagging and frame fixed connection, the side that is close to the drum sieve of fagging is the arc structure, the fagging all rotates at the both ends of handing-over department of arc side and double-phase nearly vertical side and is connected with the gyro wheel, and the setting of fagging is convenient for provide the support for the drum sieve, and prevents that great mineral from not getting into the reciprocating sieve through the screening of drum sieve, influences the screening effect, and the setting of arc structure is convenient for and is matchd with the arc of drum sieve, and the setting of gyro wheel is convenient for directly and the drum sieve contact to resistance when reducing the drum sieve and.

Further, two vertical sides in the inside of frame have a plurality of first Contraband type grooves in the below cutting of fagging, the both ends in first Contraband type groove flush with the both ends face of frame, keep certain clearance and the first Contraband type groove in the top between two first Contraband type grooves and be close to the fagging, the below at the both ends in first Contraband type groove all is cut flutedly, the setting in first Contraband type groove is convenient for provide necessary space with the vibrations of reciprocating sieve, prevent that the reciprocating sieve from unable vibrations because of the space is not enough, the both ends in first Contraband type groove flush with the both ends face of frame be convenient for send the reciprocating sieve into the frame along first Contraband type groove from the frame terminal surface when installing the reciprocating sieve in, prevent to match because of reciprocating sieve size and frame internal dimension, influence the installation of reciprocating sieve, the setting of recess is convenient for provide necessary space in the insertion frame of fixed plate, so that reciprocating sieve plug-in connection is in the frame, the vibrating screen is convenient to assemble and disassemble quickly according to working requirements.

Further, the below in every first Contraband type groove of two vertical faces in the inside of frame has all cut second Contraband type groove, second Contraband type groove also is located the below of recess, the both ends in second Contraband type groove also flush with the both ends face of frame, the inside in second Contraband type groove has all cut circular through-hole at the both ends of vertical face, and the setting in second Contraband type groove is convenient for the necessary space of providing of installation conveyer belt, prevents to lead to mineral to break away from the conveyer belt because of conveyer belt and the frame contact is not tight, and the both ends in second Contraband type groove also with the setting of the both ends face of frame be convenient for when installing the conveyer belt send into the frame with the conveyer belt from the one end of frame along second Contraband type groove in, the setting of circular through-hole is convenient for the action wheel of conveyer belt and install through necessary space from the driving wheel.

Further, the outside at the both ends of the vertical diameter of the circular through-hole of certain one end of the outside vertical face of frame all cuts threaded groove, the surperficial middle part fixedly connected with feeding case of frame, the circular through-hole threaded connection of the fixed ear of motor is convenient for pass through the bolt to the setting of threaded groove on the frame to with motor fixed mounting in the outside of frame, the setting of feeding case is convenient for provide temporary storage space for initial mineral gets into the frame, prevents that the pay-off is not enough, influences the screening efficiency frame, the bottom of frame is the slope structure, is convenient for place the drum sieve, the slope of reciprocating sieve, so that discharge unqualified mineral during the screening.

Further, the surface that a plurality of reciprocating sieves are close to the drum sieve is provided with the sieve mesh of different specifications respectively, the position department fixedly connected with spring of four end angles of the side of drum sieve is kept away from to the reciprocating sieve, the perpendicular fixedly connected with fixed plate of one end that the reciprocating sieve was kept away from to the spring, the middle part fixedly connected with electromagnetic shaker of the one end of the side of drum sieve is kept away from to the reciprocating sieve, and the reciprocating sieve of different sieve meshes is convenient for select different sieve meshes according to the difference of required mineral specification is further screened in setting up of different sieve meshes, and the setting of spring is convenient for provide the shock attenuation between reciprocating sieve and the frame when reciprocating sieve during operation, prevents to lead to the frame to rock because of the reciprocating sieve work, and the setting of fixed plate is convenient for insert in the recess of frame to quick assembly disassembly reciprocating sieve, the setting of electromagnetic shaker is.

Further, the inside both ends of conveyer belt are provided with respectively from driving wheel and action wheel, there is just the motor side of action wheel through the coupling joint the motor is located the outside of frame, the one end symmetry an organic whole of keeping away from the conveyer belt of the arc side of motor is connected with fixed ear, the side cutting of fixed ear has circular through-hole, is convenient for provide the support for the motion of conveyer belt with the action wheel cooperation from setting up of driving wheel, prevents to receive mineral pressure to influence to sink, and the setting of motor is convenient for drive the action wheel and rotates and then utilize frictional force to drive the conveyer belt and rotate, and then realizes carrying mineral's function, and the setting of fixed ear is convenient for the bolt to pass threaded connection on the frame, and.

Before the mineral feeder is used, firstly, according to the specification of required minerals, the vibrating screen with the specification is selected, the vibrating screen is installed inside the frame, meanwhile, the conveying belt is installed below the last vibrating screen, during operation, the rotary screen, the vibrating screen and the conveying belt are started, initial minerals are placed in the feeding box, after the screening of the rotary screen, larger minerals are discharged from one end of the rotary screen, smaller minerals flow into the vibrating screen, the smaller minerals are screened layer by layer through the vibrating screen, the required minerals are conveyed to a storage place through the conveying belt, and unqualified minerals are discharged from one end of the vibrating screen.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the arrangement of the plurality of vibrating screens is convenient for further screening the minerals passing through the drum screen so as to screen qualified minerals, the screening range of the invention is expanded, the vibrating screens and the conveying belts can be quickly adjusted according to the required mineral specification through the splicing connection of the vibrating screens and the position adjustment of the conveying belts, the flexibility of the invention is enhanced, and the bottom end of the frame is of an inclined structure so as to facilitate the inclined placement of the drum screen and the vibrating screens and discharge unqualified minerals during screening.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic diagram of a frame structure of an embodiment of the present invention;

FIG. 3 is a schematic illustration of a shaker screen according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of a conveyor belt according to an embodiment of the invention;

in the figure: 1. a frame; 11. a supporting plate; 12. a roller; 13. a first Contraband-shaped groove; 131. a groove; 14. a second Contraband-shaped groove; 141. a circular through hole; 15. a thread groove; 16. a feeding box; 2. a drum screen; 3. vibrating screen; 31. screening holes; 32. a spring; 33. a fixing plate; 34. a vibrator; 4. a conveyor belt; 41. a driven wheel; 42. a driving wheel; 43. a motor; 431. and fixing the ears.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Example (b): referring to FIG. 1: a drum screen for multi-level multi-layer screening of minerals comprises a drum screen 2, wherein a frame 1 is arranged on the outer side of the drum screen 2, the frame 1 is of a rectangular structure, the drum screen 2 is located above the inside of the frame 1 and is rotatably connected with the frame 1, a plurality of vibrating screens 3 and a conveying belt 4 are sequentially arranged inside the frame 1 from top to bottom, the vibrating screens 3 are connected with the frame 1 in an inserted mode, the conveying belt 4 is rotatably connected with the frame 1, the vibrating screens 3 are located under the drum screen 2, the conveying belt 4 is located below a certain vibrating screen 3 and is adjusted in position according to work requirements, the frame 1 is convenient to support the drum screen 2, the vibrating screens and the conveying belt 4 so as to achieve multi-level multi-layer screening functions, the drum screen 2 is convenient to provide first screening for minerals so as to screen the required minerals, the plurality of vibrating screens 3 are convenient to screen the minerals passing from the first stage to the second stage for multiple times according to work requirements, the size of the sieve pores of the vibrating sieves 3 is gradually reduced from close to far away from the rotary sieve 2, so that the required minerals can be screened, the screening range of the vibrating sieves is expanded, the screened minerals can be conveyed to a storage place to be processed in the next process, the position of the conveying belt 4 is adjusted, the conveying belt 4 is installed below the last vibrating sieve 3 in the vibrating sieves 3 selected to be used, and the influence on the conveying of the screened minerals due to the fixation of the conveying belt 4 is avoided.

Referring to FIG. 2: the terminal surface is open structure around frame 1, the equal symmetry in two vertical faces of the upside of the inside of frame 1 is provided with two faggings 11, fagging 11 and frame 1 fixed connection, the side that is close to drum sieve 2 of fagging 11 is the arc structure, fagging 11 all rotates at the both ends of handing-over department of arc side and double-phase nearly vertical side and is connected with gyro wheel 12, and setting up of fagging 11 is convenient for provide the support for drum sieve 2, and prevents that great mineral from not getting into reciprocating sieve 3 through the screening of drum sieve 2, influences the screening effect, and the setting of arc structure is convenient for match with the arc of drum sieve 2, and the setting of gyro wheel 12 is convenient for directly contact with drum sieve 2 to resistance when reducing drum sieve 2 and rotating.

Referring to FIG. 2: two vertical sides in inside of frame 1 have a plurality of first Contraband type grooves 13 in the below cutting of fagging 11, the both ends of first Contraband type groove 13 flush with the both ends face of frame 1, keep certain clearance and the first Contraband type groove 13 in the top between two first Contraband type grooves 13 and be close to fagging 11, the below at the both ends of first Contraband type groove 13 all cuts fluted 131, and the setting of first Contraband type groove 13 is convenient for provide necessary space with the vibrations of reciprocating sieve 3, prevents that reciprocating sieve 3 from because of the unable vibrations of space insufficiency, and the both ends of first Contraband type groove 13 flush with the both ends face of frame 1 are convenient for send reciprocating sieve 3 into frame 1 along first Contraband type groove 13 from frame 1 terminal surface when installing reciprocating sieve 3, prevent to match because of reciprocating sieve 3 size and frame 1 internal dimension, influence the installation of reciprocating sieve 3, and the setting of recess 131 is convenient for provide necessary space in the insertion frame 1 of fixed plate 33, so as to connect the vibrating screen 3 in the frame 1 in an inserting way, and the vibrating screen 3 can be assembled and disassembled quickly according to the working requirement.

Referring to FIG. 2: the below at every first Contraband type groove 13 of two vertical faces in the inside of frame 1 has all cut second Contraband type groove 14, second Contraband type groove 14 also is located the below of recess 131, the both ends of second Contraband type groove 14 also flush with the both ends face of frame 1, the inside of second Contraband type groove 14 has all cut circular through-hole 141 at the both ends of vertical face, and the setting of second Contraband type groove 14 is convenient for the necessary space of installation conveyer belt 4, prevents to lead to mineral to break away from conveyer belt 4 because of conveyer belt 4 and frame 1 contact are untight, and the setting that the both ends of second Contraband type groove 14 also flushed with the both ends face of frame 1 is convenient for when installing conveyer belt 4 with conveyer belt 4 from the one end of frame 1 type groove along second Contraband type groove 14 send into the frame in, and the setting of circular through-hole 141 is convenient for pass through necessary space for the installation of the action wheel 42 and the driven wheel 41 of conveyer belt 4.

Referring to FIG. 2: the outside at the both ends of the vertical diameter of the circular through-hole 141 of a certain end of the outside vertical face of frame 1 all cuts threaded groove 15, the surperficial middle part fixedly connected with feeding box 16 of frame 1, the setting of threaded groove 15 is convenient for pass the circular through-hole threaded connection of the fixed ear 431 of motor 43 through the bolt on frame 1 to with motor 43 fixed mounting in the outside of frame 1, feeding box 16's setting is convenient for provide temporary storage space for initial mineral gets into the frame, prevent that the pay-off is not enough, influence screening efficiency frame, the bottom of frame 1 is the slope structure, be convenient for place trommel screen 2, the slope of reciprocating sieve 3, so that discharge unqualified mineral during the screening.

Referring to FIG. 3: the surfaces of the vibrating sieves 3 close to the drum sieve 2 are respectively provided with sieve pores 31 of different specifications, the positions of four end corners of the vibrating sieves 3 far away from the side surface of the drum sieve 2 are fixedly connected with springs 32, one ends of the springs 32 far away from the vibrating sieves 3 are vertically and fixedly connected with fixing plates 33, the middle parts of the ends of the vibrating sieves 3 far away from the side surface of the drum sieve 2 are fixedly connected with vibrators 34, the vibrating sieves 3 with different sieve pores 31 are arranged to be convenient to select different sieve pores 31 according to different required mineral specifications for further screening, the springs 32 are arranged to provide shock absorption between the vibrating sieves 3 and the frame 1 when the vibrating sieves 3 work, the frame 1 is prevented from shaking due to the work of the vibrating sieves 3, the fixing plates 33 are arranged to be convenient to be inserted into the grooves 131 of the frame 1 so as to rapidly disassemble and assemble the vibrating sieves 3, and the vibrators 34 are arranged to be convenient, so as to realize the function of screening minerals.

Referring to FIG. 4: the inside both ends of conveyer belt 4 are provided with respectively from driving wheel 41 and action wheel 42, there is just motor 43 side of action wheel 42 through the coupling joint motor 43 is located frame 1's the outside, the one end symmetry an organic whole of keeping away from conveyer belt 4 of the arc side of motor 43 is connected with fixed ear 431, the side cutting of fixed ear 431 has circular through-hole, and the setting of following driving wheel 41 is convenient for provide the support for the motion of conveyer belt 4 with action wheel 42 cooperation, prevents to receive the mineral pressure influence to sink, and setting up of motor 43 is convenient for drive action wheel 42 and rotates and then utilizes frictional force to drive conveyer belt 4 and rotate, and then realizes carrying mineral's function, and the bolt of being convenient for of setting up of fixed ear 431 passes threaded connection on frame 1, and then fixes motor.

Before the mineral feeder is used, firstly, according to the specification of required minerals, the vibrating screen 3 with the required specification is selected, the vibrating screen 3 is installed inside the frame 1, meanwhile, the conveying belt 4 is installed below the last vibrating screen 3, during work, the rotary screen 2, the vibrating screen 3 and the conveying belt 4 are started, initial minerals are placed in the feeding box 16, after the primary minerals are screened by the rotary screen 2, large minerals are discharged from one end of the rotary screen 2, small minerals flow into the vibrating screen 3, the primary minerals are screened layer by the vibrating screen 3, the required minerals are conveyed to a storage place through the conveying belt 4, and unqualified minerals are discharged from one end of the vibrating screen 3.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a multistage multilayer screening of mineral is with drum sieve which characterized in that: including drum sieve (2), the outside of drum sieve (2) is provided with frame (1), frame (1) is the rectangle structure just drum sieve (2) are located the inside top of frame (1) and rotate with frame (1) and are connected, the inside of frame (1) is from last to having set gradually a plurality of reciprocating sieve (3) and a conveyer belt (4) down, reciprocating sieve (3) and frame (1) plug-in connection, conveyer belt (4) rotate with frame (1) and are connected, reciprocating sieve (3) are located drum sieve (2) under, conveyer belt (4) are located the below of certain reciprocating sieve (3) and need to adjust conveyer belt (4) position by work.

2. The multi-stage multi-layer mineral screening rotary screen according to claim 1, characterized in that the front and rear end faces of the frame (1) are both of an open structure, two supporting plates (11) are symmetrically arranged on two vertical faces of the upper side of the inside of the frame (1), the supporting plates (11) are fixedly connected with the frame (1), the side faces of the supporting plates (11) close to the rotary screen (2) are of an arc structure, and the two ends of the supporting plates (11) at the joint of the arc side faces and the two near vertical side faces are rotatably connected with rollers (12).

3. A mineral multi-stage multi-layer screening drum screen according to claim 2, characterized in that a plurality of first Contraband type grooves (13) are cut on two vertical side surfaces of the inside of the frame (1) below the supporting plate (11), two ends of the first Contraband type grooves (13) are flush with two end surfaces of the frame (1), a certain gap is kept between the two first Contraband type grooves (13), the uppermost first Contraband type groove (13) is close to the supporting plate (11), and grooves (131) are cut below two ends of the first Contraband type grooves (13).

4. A multistage, multi-layer screening trommel for minerals according to claim 3, characterized in that a second Contraband type groove (14) is cut in the frame (1) at the lower part of each first Contraband type groove (13), the second Contraband type groove (14) is also positioned below the groove (131), the two ends of the second Contraband type groove (14) are also flush with the two end surfaces of the frame (1), and a circular through hole (141) is cut in the second Contraband type groove (14) at the two ends of the vertical surface.

5. The multi-stage multi-layer screening rotary screen for minerals according to claim 4, wherein the outer sides of two ends of the vertical diameter of the circular through hole (141) at one end of the outer vertical surface of the frame (1) are both cut with thread grooves (15), and the middle part of the surface of the frame (1) is fixedly connected with a feeding box (16).

6. The multi-level and multi-layer mineral screening rotary screen according to claim 5, characterized in that the surfaces of the vibrating screens (3) close to the rotary screen (2) are respectively provided with screen holes (31) of different specifications, springs (32) are fixedly connected to the positions of four end corners of the side surface of the vibrating screen (3) far away from the rotary screen (2), one end of each spring (32) far away from the vibrating screen (3) is vertically and fixedly connected with a fixing plate (33), and a vibrator (34) is fixedly connected to the middle of one end of each vibrating screen (3) far away from the side surface of the rotary screen (2).

7. The multi-stage and multi-layer mineral screening rotary screen according to claim 6, characterized in that a driven wheel (41) and a driving wheel (42) are respectively arranged at two ends of the interior of the conveyor belt (4), a motor (43) is connected to the side surface of the driving wheel (42) through a coupling, the motor (43) is located on the outer side of the frame (1), one end of the arc-shaped side surface of the motor (43), which is far away from the conveyor belt (4), is symmetrically and integrally connected with a fixing lug (431), and a circular through hole is cut in the side surface of the fixing lug (431).