CN214390533U

CN214390533U - Low-frequency environment-friendly screening machine

Info

Publication number: CN214390533U
Application number: CN202022985160.XU
Authority: CN
Inventors: 艾兴儒
Original assignee: Chongqing Xinke Concrete Co ltd
Current assignee: Chongqing Xinke Concrete Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-10-15
Anticipated expiration: 2030-12-10

Abstract

The utility model relates to a low frequency environment-friendly screening machine belongs to sieve material device technical field, including casing and sieve, be provided with the screening passageway in the casing, the top of screening passageway is the feed inlet, the bottom is the discharge gate, is provided with the reposition of redundant personnel dog on the sieve roof. When the material enters into the screening passageway from the feed inlet, through the sieve vibrations, there is the material of caking constantly to strike the reposition of redundant personnel dog, hits the material of caking to be garrulous, makes the material after its separation can pass through the sieve, has solved the poor problem of screening effect that has the caking material, improves the screening effect of screening machine.

Description

Low-frequency environment-friendly screening machine

Technical Field

The application relates to the technical field of screening devices, in particular to a low-frequency environment-friendly screening machine.

Background

At present, the screening machine is widely applied to industries such as mines, metallurgy, chemical industry and buildings and is used for screening materials, the common screening machine separates materials through a screen, the materials which do not pass through the screen are discharged from a discharge port by utilizing the installation inclination angle of a screen plate, and the materials are conveyed to a hopper by utilizing a conveying elevator to be screened again.

The patent with the publication number of CN206064805U discloses a low-frequency vibration screening machine, including frame and sieve workbin, the frame includes fore-stock and after-poppet, the height that highly is less than the after-poppet of fore-stock, the slope is provided with the sieve passageway of low-frequency vibrations between fore-stock and the after-poppet, be provided with sawtooth and sieve mesh on the sieve passageway, the fore-stock lower extreme is provided with oversize heavy burden hopper, sieve passageway lower extreme is provided with undersize blanking hopper, the after-poppet lower extreme is provided with oversize light burden hopper, all be provided with corresponding belt feeder under every hopper, the sieve workbin has set firmly in the frame, sieve workbin upper end has been seted up the feed inlet

With respect to the related art among the above, there are the following drawbacks: the material to having the caking directly rolls to the discharge gate from the sieve easily, leads to the screening effect relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to promote the screening effect to the caking material, the application provides a low frequency environment-friendly screening machine.

The application provides a low frequency environment-friendly screening machine adopts following technical scheme:

the utility model provides a low frequency environment-friendly screening machine, includes casing and sieve, the slope is provided with the screening passageway in the casing, the sieve sets up on the diapire of screening passageway, the top of screening passageway is the feed inlet, and the bottom is the discharge gate, the interval is provided with a plurality of reposition of redundant personnel dogs on the sieve roof.

Through adopting above-mentioned technical scheme, start the screening machine after, enter into the screening passageway from the feed inlet as the material, through the sieve vibrations, there is the material of caking constantly to strike the reposition of redundant personnel dog on the sieve, hits the material of caking to be garrulous, makes the material after its separation can pass through the sieve, has solved the poor problem of screening effect that has the caking material, improves the screening effect of screening machine.

Optionally, the shunting stop block is detachably connected with the screening channel, a bottom plate is fixedly connected to the bottom of the shunting stop block, a stud is arranged on the bottom wall of the bottom plate, and the stud penetrates through the screen plate and is in threaded connection with a nut.

Through adopting above-mentioned technical scheme, make reposition of redundant personnel dog and screening passageway can dismantle and be connected, only need to twist down the nut from the double-screw bolt and can separate the reposition of redundant personnel dog from the sieve, be convenient for reposition of redundant personnel dog's maintenance and change to can change reposition of redundant personnel dog quantity and position on the sieve, be applicable to different batches of material and keep off the material effect, improve the suitability.

Optionally, one end of the diversion baffle close to the feed inlet is provided with a soil breaking part.

Through adopting above-mentioned technical scheme, when making the material collision reposition of redundant personnel dog, the portion of breaking ground can be with the better division of caking material, can not produce the material after the collision moreover and push away, promotes the screening effect.

Optionally, screening passageway has the frame of cleaning along the length direction slidable mounting of screening passageway, the below of cleaning the frame is provided with the brush that is used for cleaning the sieve, the frame of cleaning has and is used for ordering about the first drive arrangement that the frame of cleaning removed along screening passageway length direction, be provided with the second drive arrangement who is used for ordering about the brush and is close to or keeps away from the sieve on the frame of cleaning.

Through adopting above-mentioned technical scheme, the staff is through starting second drive arrangement, and the drive brush is close to and contacts the sieve top surface, then through first drive arrangement, and the drive cleans the frame and makes a round trip to slide along screening passageway length direction, lets the brush clear up the material of card on the sieve, keeps the penetrating improvement screening effect of sieve hole on the sieve.

Optionally, the first driving device comprises a first motor, a gear and a rack, the first motor is fixedly arranged on the cleaning frame, the rack is fixedly arranged on the inner wall of the screening channel along the length direction of the screening channel, the gear is fixedly connected to the output shaft of the first motor in a coaxial mode, and the gear is meshed with the rack.

Through adopting above-mentioned technical scheme, first motor drive gear through gear and rack toothing to drive and clean the frame and remove along screening passageway length direction, make the brush clear up convenient operation to the sieve.

Optionally, the second driving device includes a second motor, a threaded lead screw and a threaded sleeve, the second motor is fixedly disposed on the cleaning frame, the threaded lead screw is rotatably disposed on the cleaning frame, an axis of the threaded lead screw is perpendicular to the sieve plate, the threaded sleeve is fixedly connected with the brush, and a thread of the threaded sleeve is sleeved on the threaded lead screw.

Through adopting above-mentioned technical scheme, the second motor drives the screw lead screw and rotates, promotes the brush through the screw lead screw and removes along the direction of the axis perpendicular to sieve of screw lead screw, lets the brush can clear up the material of card on the sieve, improves the screening effect of sieve.

Optionally, the bristles of the brush are steel brushes.

Through adopting above-mentioned technical scheme, steel brush intensity itself is high, and the resilience force is big, and is better to the material clearance effect of card on the sieve, and the steel brush is difficult wearing and tearing, and the live time is long.

Optionally, baffles are arranged on the inner walls of the two sides of the screening channel, a stop block is arranged on the side wall, close to the middle of the screening channel, of the baffle, one end, far away from the baffle, of the stop block inclines towards the discharge hole, and the lower edge of the stop block is in contact with the top wall of the sieve plate.

Through adopting above-mentioned technical scheme, when the material was close to screening passageway both sides edge, blockked by the baffle, the dog along the discharge gate slope on the baffle made the material roll to the sieve middle part, reduced the material and piled up at sieve both sides edge, reduced the dead angle, made the material flow more smooth, improved screening effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the materials enter the screening channel from the feeding hole, the vibration of the sieve plate enables the caked materials to continuously impact the shunting stop block and crush the caked materials, so that the separated materials pass through the sieve plate, the problem of poor screening effect of the caked materials is solved, and the screening effect of the screening machine is improved;

2. the ground breaking part is arranged close to one end of the feeding hole, so that the effect of the material collision diversion stop block is better, the material pushing cannot be generated after collision, and the screening effect is improved;

3. second drive arrangement drive brush is close to the sieve, then first drive arrangement drive cleaning frame slides along screening passageway length direction, lets the brush can clear up the material of card on the sieve, improves the screening effect.

Drawings

Figure 1 is the overall structure of screening machine of this application embodiment sketch map.

Figure 2 is a partial cross-sectional schematic view of the housing of the screen machine according to the embodiments of the present application.

Figure 3 is an exploded view of the diverter block and screen panel.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1. a housing; 2. a screening channel; 3. a feed inlet; 4. a discharge port; 5. a sieve plate; 6. a shunt stop block; 7. a first driving device; 8. a second driving device; 9. a baffle plate; 10. a stopper; 11. a brush; 12. brushing; 13. a cleaning frame; 61. a stud; 62. a nut; 63. a soil breaking part; 64. screening holes; 65. a base plate; 71. a first motor; 72. a gear; 73. a rack; 81. a second motor; 82. a threaded lead screw; 83. a threaded sleeve.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses low frequency environment-friendly screening machine. Referring to fig. 1, fig. 2, the screening machine includes casing 1, casing 1 is inside to be cavity, casing 2 is inside to be screening passageway 2, the design of screening passageway 2 slope, the top of incline direction is feed inlet 3, the bottom is discharge gate 4, be located to be equipped with a sieve 5 on the diapire of screening passageway 2, sieve 5 passes through bolt and 2 threaded connection of screening passageway, the fine sand storehouse of 5 lower floor connection of sieve, a material for collecting through sieve 5, it has reposition of redundant personnel dog 6 to distribute on the 5 roof of sieve, reposition of redundant personnel dog 6 can hit the material of caking to be smashed, make the material after its separation can pass through sieve 5. Have one along the screening in the screening passageway 2 through 2 length direction slidable mounting clean frame 13 that cleans sieve 5, can clear up the material of card on sieve 5, improve sieve 5's screening effect.

Referring to fig. 2 and 3, the sieve plates 5 are densely distributed with sieve holes 64, the diversion baffle 6 is detachably connected to the top wall of the sieve plate 5, the bottom of the diversion baffle 6 is welded with a bottom plate 65, two ends of the bottom wall of the bottom plate 65 are welded with at least 2 studs 61, the studs 61 penetrate through the sieve holes 64 on the sieve plate 5 and are spirally connected with nuts 62 to be fixed on the top wall of the sieve plate 5, the installation positions and the number of the diversion baffle 6 are determined according to different sieving requirements, and the installation positions can be distributed in an array mode or in a staggered mode.

One end of the top wall of the shunting stopper 6, which is close to the feed inlet 3, is provided with a soil breaking part 63, in the embodiment, the shunting stopper 6 is formed by welding 2 steel plates, the outer corner formed by the two steel plates is the soil breaking part 63, and the soil breaking part 63 faces the direction of the feed inlet of the shell 1. When the caking material collides the soil breaking part 63, the caking material is separated, the separated material falls to the fine sand bin through the sieve plate 5 holes, and the material which does not pass through the sieve plate 5 holes continuously moves to the discharge port 4 along the inclined sieve plate 5 channel.

In other embodiments, the soil breaking portion 63 may be a pointed cone welded and fixed on the top wall of the flow dividing block 6, and the tip of the pointed cone faces the direction of the feed port 3.

Two baffle plates 9 are welded on the edges of two sides of the sieve plate 5 close to the sieving channel 2, a plurality of check blocks 10 are welded on the baffle plates 9 in the direction away from one end of the side wall of the sieving channel 2, the check blocks 10 incline towards the direction of the discharge hole 4, and the baffle plates 9 and the check blocks 10 are fishbone-shaped. When the material was close to the both sides edge of screening passageway 2, baffle 9 can hinder the material and be close to baffle 9 and dog 10 are the characteristics of fishbone form slope, and the material can be by dog 9 to 5 inside propelling movement of sieve, reduces piling up of material at 5 both sides edges of sieve, and the material flows more smoothly, improves the screening effect.

Referring to fig. 4, two linear guide rails are welded at the top end of the side wall of the screening channel 2, and a cleaning frame 13 for cleaning the screen plate 5 is installed between the two linear guide rails. In order to enable the cleaning frame 13 to move along the length direction of the screening channel 2, a first driving device 7 is arranged on the cleaning frame 13, the first driving device 7 comprises a first motor 71, the first motor 71 is fixedly installed at one end, close to the screening channel 2, of the cleaning frame 13 through bolts, a gear 72 is fixedly connected to an output shaft of the first motor 71 coaxially, a rack 73 is welded to the inner side wall of the shell 1 along the length direction of the screening channel 2, the rack 73 is meshed with the gear 72, and the first motor 71 drives the cleaning frame 13 to move back and forth along the length direction of the screening channel 2 through a servo motor.

The brush 11 for cleaning the sieve plate 5 is installed below the cleaning frame 13, guide rods are fixed at two ends of the cleaning frame 13, the length direction of each guide rod is perpendicular to the sieve plate 5, the brush 11 is slidably connected to the guide rods, in order to drive the brush 11 to be close to or far away from the sieve plate 5, a second driving device 8 is arranged on the cleaning frame 13, the second driving device 8 comprises a second motor 81, a threaded lead screw 82 and a threaded sleeve 83, the second motor 81 is installed on the top wall of the cleaning frame 13, the threaded lead screw 82 is rotatably arranged on the cleaning frame 13, the output end of the second motor 81 is fixedly connected with the threaded lead screw 82 through a coupler in a coaxial mode, the lower end of the threaded lead screw 82 is connected with the brush 11 in a threaded mode, the threaded sleeve 83 is welded on the brush 11, and the threaded sleeve 83 is in threaded sleeve connection with the threaded lead screw 82. The brush hair 12 of the brush 11 is a steel brush, the steel brush has high strength and large resilience force, the cleaning effect on materials clamped on the sieve plate 5 is better, the steel brush is not easy to wear, and the service life is long.

The implementation principle of the low-frequency environment-friendly screening machine in the embodiment of the application is as follows: after the start-up screening machine, sieve 5 vibrations in casing 1, the material enters into screening passageway 2 from feed inlet 3, and the vibrations of sieve 5 make the material constantly strike reposition of redundant personnel dog 6 on sieve 5, make the material smashed on reposition of redundant personnel dog 6. The crushed materials, the materials with the grain size smaller than the sieve holes 64 of the sieve plate 5 fall into the fine sand silo below the sieve plate 5, and the materials which do not pass through the sieve plate 5 continue to move along the inclined sieving channel 2 to the discharge hole 4. The screening effect of the caking materials is improved, the materials cannot be pushed after the materials collide, and the screening effect is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a low frequency environment-friendly screening machine, includes casing (1) and sieve (5), casing (1) internal inclination is provided with screening passageway (2), sieve (5) set up on the diapire of screening passageway (2), the top of screening passageway (2) is feed inlet (3), bottom is discharge gate (4), its characterized in that: and a plurality of shunting stop blocks (6) are arranged on the top wall of the sieve plate (5) at intervals.

2. The low-frequency environment-friendly screening machine according to claim 1, characterized in that: the utility model discloses a screening machine, reposition of redundant personnel dog (6) and screening passageway (2) can be dismantled and be connected, the bottom rigid coupling of reposition of redundant personnel dog (6) has bottom plate (65), be provided with double-screw bolt (61) on the diapire of bottom plate (65), double-screw bolt (61) pass sieve (5) and threaded connection have nut (62).

3. The low-frequency environment-friendly screening machine according to claim 2, characterized in that: one end of the shunting baffle block (6) close to the feed inlet (3) is provided with a soil breaking part (63).

4. The low-frequency environment-friendly screening machine according to claim 2, characterized in that: screening passageway (2) interior length direction slidable mounting along screening passageway (2) has cleaning frame (13), cleaning frame's (13) below is provided with brush (11) that are used for cleaning sieve (5), cleaning frame (13) are last to be provided with and to be used for ordering about cleaning frame (13) along screening passageway (2) length direction removal's first drive arrangement (7), cleaning frame (13) are last to be provided with and to be used for ordering about brush (11) and are close to or keep away from second drive arrangement (8) of sieve (5).

5. The low-frequency environment-friendly screening machine according to claim 4, characterized in that: the first driving device (7) comprises a first motor (71), a gear (72) and a rack (73), the first motor (71) is fixedly arranged on the cleaning frame (13), the rack (73) is fixedly arranged on the inner wall of the screening channel (2) along the length direction of the screening channel (2), the gear (72) is coaxially fixedly connected to an output shaft of the first motor (71), and the gear (72) is meshed with the rack (73).

6. The low-frequency environment-friendly screening machine according to claim 4, characterized in that: second drive arrangement (8) include second motor (81), screw lead screw (82) and threaded sleeve (83), second motor (81) are fixed to be set up on cleaning frame (13), screw lead screw (82) rotate to set up on cleaning frame (13), the axis perpendicular to sieve (5) of screw lead screw (82), the one end rigid coupling of screw lead screw (82) is on the output shaft of second motor (81), threaded sleeve (83) and brush (11) rigid coupling, threaded sleeve (83) screw sleeve connects on screw lead screw (82).

7. The low-frequency environment-friendly screening machine according to claim 6, characterized in that: the brush hair (12) of the brush (11) is a steel brush.

8. The low-frequency environment-friendly screening machine according to claim 1, characterized in that: all be provided with baffle (9) on the both sides inner wall of screening passageway (2), be provided with dog (10) on baffle (9) are close to the lateral wall at screening passageway (2) middle part, the one end that baffle (9) were kept away from in dog (10) inclines to discharge gate (4), the lower limb contact of dog (10) is on the roof of sieve (5).