CN110000088A

CN110000088A - A kind of ore dressing vibrating screen mesh blockage-clearing device

Info

Publication number: CN110000088A
Application number: CN201910326674.3A
Authority: CN
Inventors: 周晓丹
Original assignee: Zhou Zezhong
Current assignee: XINJIANG KARAMAY DIMA CO.,LTD.
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2019-07-12
Anticipated expiration: 2039-04-23
Also published as: CN110000088B

Abstract

The invention discloses a kind of ore dressing vibrating screen mesh blockage-clearing devices, including pedestal, the upper end of the pedestal is fixedly connected with two support plates along the vertical direction, overarm is fixedly connected between two support plates, the lower end of the overarm slidably connects mounting plate, the side wall of the mounting plate is equipped with device slot, the side wall of the mounting plate, which runs through, is equipped with first rotating shaft, one end that the first rotating shaft is located in device slot is fixedly connected with worm gear, be equipped in described device slot it is horizontally disposed and with the intermeshing worm screw of worm gear.The present invention can be completed by a driving motor and comprehensively be scrubbed to sieve, and the complexity of equipment is reduced；By the way that the hydraulic pressure in water tank into spray tube, to be rinsed the bristle on sieve and cleaning roller, cleaning efficiency is improved；It is slowly rolled across by pressure roller from the lower end of sieve, will be embedded in the stone in sieve screen apertures from extrusion, and be purged by stone of the cleaning roller to extrusion；Cleaning roller cleaning progress synchronous with water spray is realized, the waste of water is reduced.

Description

A kind of ore dressing vibrating screen mesh blockage-clearing device

Technical field

The present invention relates to vibrating screen technology cleaning technique fields more particularly to a kind of ore dressing vibrating screen mesh to be filled with block clearing It sets.

Background technique

It is higher to powder rate in lump ore raw material in the prior art, when moisture is larger, screening efficiency is poor, often pastes stifled sieve pore.

When sieve pore is pasted it is stifled severe when, manual cleaning can only be carried out, artificial cleaning not only low efficiency, to the yield of vibration sieve have compared with Big influence；For manual cleaning sieve pore there is also biggish hidden danger, labor intensity of workers is big, and due to often beaing, Screen life-span shortens；The ore being embedded in vibrating screen mesh simultaneously is not easy to be cleaned

Summary of the invention

The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of ore dressing vibrating screen mesh proposed With blockage-clearing device, it can be completed by a driving motor and sieve comprehensively scrubbed, reduce the complicated journey of equipment Degree；By the way that the hydraulic pressure in water tank into spray tube, to be rinsed the bristle on sieve and cleaning roller, cleaning efficiency is improved； It is slowly rolled across by pressure roller from the lower end of sieve, will be embedded in the stone in sieve screen apertures from extrusion, and by cleaning roller to extrusion Stone is purged；Cleaning roller cleaning progress synchronous with water spray is realized, the waste of water is reduced.

To achieve the goals above, present invention employs following technical solutions:

A kind of ore dressing vibrating screen mesh blockage-clearing device, including pedestal, the upper end of the pedestal is fixed along the vertical direction to be connected It connects there are two support plate, is fixedly connected with overarm between two support plates, the lower end of the overarm slidably connects installation Plate, the side wall of the mounting plate are equipped with device slot, and the side wall of the mounting plate, which runs through, is equipped with first rotating shaft, the first rotating shaft position It is fixedly connected with worm gear in one end in device slot, is equipped with horizontally disposed in described device slot and is mutually nibbled with worm gear The worm screw of conjunction, the both ends of the worm screw are rotatably connected on the inner wall of device slot, one be located at outside device slot of the worm gear Side has been fixedly and coaxially connected the first fixed link, and first fixed link is rotatably connected to deflecting bar far from one end of worm gear, described Deflecting bar is rotatably connected on the side wall of support plate far from one end of the first fixed link, and the side wall of one of them support plate is solid Surely it is connected with driving motor, the output shaft of the driving motor runs through the side wall of support plate and is fixedly connected with the second shaft, institute The side wall for stating worm screw is axially arranged with cylindrical cavity along it, and second shaft sequentially passes through mounting plate, cylindrical cavity and separate driving motor The side wall of support plate, second shaft is axially arranged with bar limit slot along it, and the inner wall of the cylindrical cavity is equipped with to be limited with bar shaped The limited block that slot matches, the lower end of the mounting plate are fixedly connected there are two riser, along vertical side between two risers To being rotatably connected to third shaft and the 4th shaft, riser and solid respectively is run through in one end of the third shaft and the 4th shaft Surely it is connected with the first driven wheel and the second driven wheel, the first rotating shaft is fixedly connected with driving wheel far from one end of worm gear, institute It states driving wheel and the first driven wheel to be sequentially connected by the first transmission belt, first driven wheel and the second driven wheel pass through second Transmission belt is rotatablely connected, and cleaning roller is fixedly connected in the third shaft, and the 4th shaft is equipped with pressure roller, the pedestal Top be equipped with sieve apparatus for placing, the top of the pedestal is equipped with spray equipment, and the upper end of the pedestal is equipped with water tank.

Preferably, the spray equipment includes two spray tubes being arranged between two risers, the side of the support plate Wall is fixedly connected with cylinder, is equipped in the cylinder and slidably connects first piston, the first piston along the vertical direction on pass through It is equipped with apopore, the first check valve is equipped in the apopore, the lower end of the cylinder is connected to by the first conduit with water tank, The connectivity part of the cylinder and conduit is equipped with second one-way valve, and the upper end of the first piston is fixedly connected with First piston bar, Sealing-plug is equipped at the upper end opening of the cylinder, second shaft is fixedly connected with rotation far from one end of driving motor Bar, the rotating bar are rotatably connected to connecting rod far from one end of the second shaft, and the upper end of the First piston bar is through sealing It fills in and is rotatablely connected with connecting rod far from one end of rotating bar, the spray tube is connected to the upper end side wall of cylinder.

Preferably, cavity is equipped in the cleaning roller, the inner wall of the cavity is circumferentially equidistantly fixedly connected with more along it A piston cylinder, second piston is equipped in each piston cylinder, and the second piston is equipped with second piston bar, the cleaning It is circumferential equidistantly equipped with multiple sliding slots being connected to cavity for two lateral edges of roller, and the sliding slot is arranged radially along cleaning roller, institute It states and is fixedly connected with the second fixed link in second piston bar, the both ends of second fixed link extend through cavity opposed inner walls Sliding slot, second fixed link are connected to sliding slot far from the side inner wall in axle center by spring, second fixed link Both ends be equipped with wedge block, the riser is fixedly connected with mounting rod close to the side of cleaning roller, rotates on the mounting rod It is connected with the idler wheel for pushing wedge block, the third shaft uses hollow structure, and the third shaft is located at outside riser One end is fixedly connected with rotary joint, and the third shaft is located at one end in cavity by water-supply-pipe and piston cylinder close to cavity The side of inner wall is connected to, and the connectivity part of the water-supply-pipe and piston cylinder is equipped with third check valve, and the side wall of the cleaning roller is along it Circumferential to be equidistantly equipped with multiple flowing lumens corresponding with piston cylinder position, the flowing lumen is connected to piston cylinder, the circulation The connectivity part of chamber and piston cylinder is equipped with the 4th check valve, and the side wall of the flowing lumen is equidistantly equipped with water jet, and the rotation connects Head is connected to by the second conduit with water tank.

Preferably, the sieve apparatus for placing includes through the rack that support plate side wall is arranged in, and the rack is " mouth " shape structure, the inner wall of the rack are equipped with the fixation device for fixed grit.

Preferably, the diameter of the driving wheel is much larger than the diameter of the first driven wheel, and the diameter of first driven wheel is remote Less than the diameter of the second driven wheel.

The invention has the following advantages:

1, pass through setting driving motor, worm screw, worm gear, the first fixed link, deflecting bar, driving wheel, the first driven wheel and clear Roller is washed, only needs a driving device can be completed and sieve is comprehensively scrubbed, reduce the complexity of equipment；

2, by setting cylinder, first piston, First piston bar, connecting rod and rotating bar can by the hydraulic pressure in water tank into In spray tube, the bristle on sieve and cleaning roller is rinsed, improves cleaning efficiency；

3, it slowly rolls across, is will be embedded in sieve screen apertures from the lower end of sieve by the second driven wheel of setting and pressure roller, pressure roller Stone be purged from extrusion, and by stone of the cleaning roller to extrusion；

It 4, can be real by setting piston cylinder, second piston, second piston bar, wedge block, idler wheel, flowing lumen and water jet Existing cleaning roller cleaning is synchronous with water spray to be carried out, and the waste of water is reduced.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of ore dressing vibrating screen mesh blockage-clearing device proposed by the present invention；

Fig. 2 is the attachment structure schematic diagram of worm screw and the second shaft；

Fig. 3 is the cross section structure schematic diagram of 2 cleaning roller of embodiment；

Fig. 4 is the side structure schematic diagram of 2 cleaning roller of embodiment；

Fig. 5 is the attachment structure schematic diagram of 2 rotary joint of embodiment.

In figure: 1 riser, 2 cylinders, 3 second one-way valves, 4 first check valves, 5 First piston bars, 6 sealing-plugs, 7 connecting rods, 8 rotating bars, 9 spray tubes, 10 third shafts, 11 cleaning rollers, 12 first driven wheels, 13 deflecting bars, 14 first fixed links, 15 snails Wheel, 16 first rotating shafts, 17 second shafts, 18 bar limit slots, 19 mounting plates, 20 worm screws, 21 overarms, 22 support plates, 23 first Piston, 24 racks, 25 pressure rollers, 26 second driven wheels, 27 the 4th shafts, 28 driving motors, 29 second fixed links, 30 circulations Chamber, 31 second pistons, 32 piston cylinders, 33 second piston bars, 34 water jets, 35 pedestals, 36 water tanks, 37 springs, 38 rotary joints, 39 mounting rods, 40 wedge blocks, 41 limited blocks, 42 idler wheels, 43 water-supply-pipes.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.

In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top", The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with Specific orientation construction and operation, therefore be not considered as limiting the invention.

Referring to Fig.1-2, a kind of ore dressing vibrating screen mesh blockage-clearing device, including pedestal 35, the upper end edge of pedestal 35 are vertical Direction is fixedly connected there are two support plate 22, is fixedly connected with overarm 21 between two support plates 22, hang oneself from a beam 21 lower end sliding It is connected with mounting plate 19, the side wall of mounting plate 19 is equipped with device slot, and the side wall of mounting plate 19, which runs through, is equipped with first rotating shaft 16, and first One end that shaft 16 is located in device slot is fixedly connected with worm gear 15, is equipped with horizontally disposed and and worm gear in device slot 15 intermeshing worm screws 20, the both ends of worm screw 20 are rotatably connected on the inner wall of device slot, and worm gear 15 is located at device slot Outer side has been fixedly and coaxially connected the first fixed link 14, and the first fixed link 14 is rotatably connected to deflection far from one end of worm gear 15 Bar 13, deflecting bar 13 are rotatably connected on the side wall of support plate 22 far from one end of the first fixed link 14, one of support plate 22 side wall is fixedly connected with driving motor 28, and the output shaft of driving motor 28 runs through the side wall of support plate 22 and is fixedly connected with Second shaft 17, the side wall of worm screw 20 are axially arranged with cylindrical cavity along it, and the second shaft 17 sequentially passes through mounting plate 19, cylindrical cavity and separate The side wall of the support plate 22 of driving motor 28, the second shaft 17 is axially arranged with bar limit slot 18 along it, and the inner wall of cylindrical cavity is equipped with The limited block 41 matched with bar limit slot 18, the lower end of mounting plate 19 are fixedly connected there are two riser 1, two risers 1 it Between be rotatably connected to third shaft 10 and the 4th shaft 27 along the vertical direction, one end of third shaft 10 and the 4th shaft 27 is passed through It wears riser 1 and has been respectively fixedly connected with the first driven wheel 12 and the second driven wheel 26, the one end of first rotating shaft 16 far from worm gear 15 It is fixedly connected with driving wheel, driving wheel and the first driven wheel 12 to be sequentially connected by the first transmission belt, the first driven wheel 12 and the Two driven wheels 26 are rotatablely connected by the second transmission belt, and the diameter of driving wheel is much larger than the diameter of the first driven wheel 12, first from The diameter of driving wheel 12 is much smaller than the diameter of the second driven wheel 26, is fixedly connected with cleaning roller 11, the 4th shaft in third shaft 10 27 are equipped with pressure roller 25.

The top of pedestal 35 is equipped with sieve apparatus for placing, and sieve apparatus for placing includes running through that 22 side wall of support plate is arranged in Rack 24, rack 24 are " mouth " shape structure, and the inner wall of rack 24 is equipped with the fixation device for fixed grit, fixed dress Setting can be air-actuated jaw.

The top of pedestal 35 is equipped with spray equipment, and spray equipment includes two spray tubes being arranged between two risers 1 9, spray tube 9 is located at the axial sides of cleaning roller 11, and is connected between two spray tubes 9, and the side wall of support plate 22 is fixedly connected There is cylinder 2, is equipped in cylinder 2 and slidably connects first piston 23, first piston 23 is upper along the vertical direction to be run through equipped with apopore, The first check valve 4 is equipped in apopore, the lower end of cylinder 2 is connected to by the first conduit with water tank 36, the connection of cylinder 2 and conduit Place is equipped with second one-way valve 3, and the upper end of first piston 23 is fixedly connected with First piston bar 5, is equipped at the upper end opening of cylinder 2 Sealing-plug 6, the second shaft 17 are fixedly connected with rotating bar 8 far from one end of driving motor 28, and rotating bar 8 is far from the second shaft 17 One end be rotatably connected to connecting rod 7, the upper end of First piston bar 5 is through sealing-plug 6 and with connecting rod 7 far from rotating bar 8 One end rotation connection, spray tube 9 be connected to the upper end side wall of cylinder 2, the upper end of cylinder 2 be it is hemispherical, spray tube 9 is arranged partly On the side wall of spherical close lower end, the upper end of pedestal 35 is equipped with water tank 36.

In the present invention, in use, rack 24 is extracted out from the side wall of support plate 22, sieve is placed on rack 24 And sieve is fixed by fixed device, then rack 24 is resetted, opens the switch of driving motor 28, driving motor 28 rotations drive the rotation of the second shaft 17, and the rotation of the second shaft 17 drives worm screw 20 to rotate, and the rotation of worm screw 20 drives co-axial The first fixed link 14 rotation being fixedly connected, the rotation of the first fixed link 14 make deflecting bar 13 push mounting plate 19 past in overarm 21 Multiple movement；

Worm gear 15 drives driving wheel rotation by first rotating shaft 16 while rotation, and driving wheel passes through the first transmission belt band Dynamic first driven wheel 12 rotation, since the diameter of the first driven wheel 12 is much smaller than the diameter of driving wheel, so driving wheel will drive The very fast rotation of first driven wheel 12, and then clean the bristle in cleaning roller 11 to the surface of sieve；

The first driven wheel 12 drives the rotation of the second driven wheel 26 by the second transmission belt simultaneously, due to the second driven wheel 26 Diameter is much smaller than the diameter of the first driven wheel 12, so the second driven wheel 26 will drive pressure roller 25 and slowly rotate, in mounting plate Under 19 drive, pressure roller 25 is slowly rolled across from the lower end of sieve, will be embedded in the stone in sieve screen apertures from extrusion, and by cleaning roller The stone of 11 pairs of extrusion is purged；

The rotation of second shaft 17 drives rotating bar 8 to rotate, and then drives First piston bar 5 to move back and forth by connecting rod 7 , the water in water tank 36 is pumped into the hemispherical chamber of 2 upper end of cylinder by the reciprocating motion of First piston bar 5, and by spray tube 9 Spray, in cleaning roller 11 bristle and sieve be rinsed.

Embodiment 2

Referring to Fig. 3-5, cavity is equipped in cleaning roller 11, the inner wall of cavity is circumferentially equidistantly fixedly connected with multiple work along it Plug tube 32 is equipped with second piston 31 in each piston cylinder 32, and second piston 31 is equipped with second piston bar 33, cleaning roller 11 It is circumferential equidistantly equipped with multiple sliding slots being connected to cavity for two lateral edges, and sliding slot is arranged radially along cleaning roller 11, second piston The second fixed link 29 is fixedly connected on bar 33, the both ends of the second fixed link 29 extend through the sliding slot of cavity opposed inner walls, the Through 37 elastic connection of spring on side inner wall of the sliding slot far from axle center, the both ends of the second fixed link 29 are all provided with two fixed links 29 There is wedge block 40, riser 1 is fixedly connected with mounting rod 39 close to the side of cleaning roller 11, is rotatably connected to and is used on mounting rod 39 The idler wheel 42 of wedge block 40 is pushed, third shaft 10 uses hollow structure, and third shaft 10 is located at the fixed company in one end outside riser 1 It is connected to rotary joint 38, third shaft 10 is located at one end in cavity by water-supply-pipe 43 and piston cylinder 32 close to cavity inner wall Side connection, the connectivity part of water-supply-pipe 43 and piston cylinder 32 are equipped with third check valve, the side wall of cleaning roller 11 along its it is circumferentially equal between Away from multiple flowing lumens 30 corresponding with 32 position of piston cylinder are equipped with, flowing lumen 30 is connected to piston cylinder 32, flowing lumen 30 and work The connectivity part of plug tube 32 is equipped with the 4th check valve, and the side wall of flowing lumen 30 is equidistantly equipped with water jet 34, and rotary joint 38 passes through Second conduit is connected to water tank 36.

In the present embodiment, for cleaning roller 11 in rotation, when wedge block 40 turns at idler wheel 42, idler wheel 42 pushes wedge block 40 is mobile, and then wedge block 40 is made to drive the water in 33 compression piston cylinder 32 of second piston bar, piston by the second fixed link 29 Water in cylinder 32 is sprayed by flowing lumen 30 by water jet 34, automatically cleaning is carried out to cleaning roller 11, when wedge block 40 rotated rolling After wheel 42, under the action of 37 elastic force of spring, the second fixed link 29 resets, and then resets second piston 31, second piston 31 It resets and is drawn water into piston cylinder 32 out of water tank 36 by the second conduit, the cleaning of cleaning roller 11 is synchronous with water spray to be carried out, and water is reduced Waste.

The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims

1. a kind of ore dressing vibrating screen mesh blockage-clearing device, including pedestal (35), which is characterized in that the upper end of the pedestal (35) There are two being fixedly connected along the vertical direction support plate (22), overarm (21) are fixedly connected between two support plates (22), The lower end of the overarm (21) slidably connects mounting plate (19), and the side wall of the mounting plate (19) is equipped with device slot, the peace The side wall of loading board (19), which runs through, is equipped with first rotating shaft (16), and one end that the first rotating shaft (16) is located in device slot is fixedly connected Have worm gear (15), be equipped in described device slot it is horizontally disposed and with worm gear (15) intermeshing worm screw (20), institute The both ends for stating worm screw (20) are rotatably connected on the inner wall of device slot, and the side of the worm gear (15) being located at outside device slot is same Axis is fixedly connected with the first fixed link (14), and first fixed link (14) is rotatably connected to deflection far from the one end of worm gear (15) Bar (13), the deflecting bar (13) are rotatably connected on the side wall of support plate (22) far from the one end of the first fixed link (14), In the side wall of a support plate (22) be fixedly connected with driving motor (28), the output shaft of the driving motor (28) runs through The side wall of support plate (22) is simultaneously fixedly connected with the second shaft (17), and the side wall of the worm screw (20) is axially arranged with cylindrical cavity along it, Second shaft (17) sequentially passes through mounting plate (19), cylindrical cavity and the support plate (22) far from driving motor (28), and described the The side wall of two shafts (17) is axially arranged with bar limit slot (18) along it, and the inner wall of the cylindrical cavity is equipped with and bar limit slot (18) The limited block (41) matched, the lower end of the mounting plate (19) are fixedly connected there are two riser (1), two risers (1) Between be rotatably connected to third shaft (10) and the 4th shaft (27), the third shaft (10) and the 4th shaft along the vertical direction (27) one end runs through riser (1) and has been respectively fixedly connected with the first driven wheel (12) and the second driven wheel (26), and described One shaft (16) is fixedly connected with driving wheel far from the one end of worm gear (15), and the driving wheel and the first driven wheel (12) pass through the The transmission connection of one transmission belt, first driven wheel (12) and the second driven wheel (26) are rotatablely connected by the second transmission belt, institute It states and is fixedly connected on third shaft (10) cleaning roller (11), the 4th shaft (27) is equipped with pressure roller (25), the pedestal (35) top is equipped with sieve apparatus for placing, and the top of the pedestal (35) is equipped with spray equipment, the upper end of the pedestal (35) Equipped with water tank (36).

2. a kind of ore dressing vibrating screen mesh blockage-clearing device according to claim 1, which is characterized in that the spray equipment Including two spray tubes (9) being arranged between two risers (1), the side wall of the support plate (22) is fixedly connected with cylinder (2), be equipped in the cylinder (2) and slidably connect first piston (23), the first piston (23) along the vertical direction on run through Equipped with apopore, the first check valve (4) are equipped in the apopore, the lower end of the cylinder (2) passes through the first conduit and water tank (36) it is connected to, the connectivity part of the cylinder (2) and conduit is equipped with second one-way valve (3), and the upper end of the first piston (23) is solid Surely it is connected with First piston bar (5), is equipped with sealing-plug (6) at the upper end opening of the cylinder (2), second shaft (17) is remote One end from driving motor (28) is fixedly connected with rotating bar (8), and the rotating bar (8) turns far from the one end of the second shaft (17) Dynamic to be connected with connecting rod (7), the upper end of the First piston bar (5) is through sealing-plug (6) and with connecting rod (7) far from rotating bar (8) one end rotation connection, the spray tube (9) are connected to the upper end side wall of cylinder (2).

3. a kind of ore dressing vibrating screen mesh blockage-clearing device according to claim 1, which is characterized in that the cleaning roller (11) cavity is equipped in, the inner wall of the cavity is circumferentially equidistantly fixedly connected with multiple piston cylinders (32) along it, each described It is equipped with second piston (31) in piston cylinder (32), the second piston (31) is equipped with second piston bar (33), the cleaning Its circumferential direction of two lateral edges of roller (11) is equidistantly equipped with multiple sliding slots being connected to cavity, radial direction of the sliding slot along cleaning roller (11) It is arranged, is fixedly connected with the second fixed link (29) on the second piston bar (33), the both ends point of second fixed link (29) Not Guan Chuan cavity opposed inner walls sliding slot, second fixed link (29) by spring (37) elastic connection in sliding slot far from axle center Side inner wall on, the both ends of second fixed link (29) are equipped with wedge block (40), and the riser (1) is close to cleaning roller (11) side is fixedly connected with mounting rod (39), is rotatably connected on the mounting rod (39) for pushing wedge block (40) Idler wheel (42), the third shaft (10) use hollow structure, and the third shaft (10) is located at the one end of riser (1) outside and fixes It is connected with rotary joint (38), the third shaft (10) is located at one end in cavity and passes through water-supply-pipe (43) and piston cylinder (32) It is connected to close to the side of cavity inner wall, the connectivity part of the water-supply-pipe (43) and piston cylinder (32) is equipped with third check valve, described The side wall of cleaning roller (11) is circumferential equidistantly equipped with multiple flowing lumens (30) corresponding with piston cylinder (32) position along it, described Flowing lumen (30) is connected to piston cylinder (32), and the connectivity part of the flowing lumen (30) and piston cylinder (32) is equipped with the 4th check valve, The side wall of the flowing lumen (30) is equidistantly equipped with water jet (34), and the rotary joint (38) passes through the second conduit and water tank (36) it is connected to.

4. a kind of ore dressing vibrating screen mesh blockage-clearing device according to claim 1, which is characterized in that the sieve is placed Device includes the rack (24) through setting in support plate (22) side wall, and the rack (24) is " mouth " shape structure, described The inner wall of rack (24) is equipped with the fixation device for fixed grit.

5. a kind of ore dressing vibrating screen mesh blockage-clearing device according to claim 1, which is characterized in that the driving wheel Diameter is much larger than the diameter of the first driven wheel (12), and the diameter of first driven wheel (12) is much smaller than the second driven wheel (26) Diameter.