阅读说明：本技术 一种基于环境工程的包裹式矿砂筛选装置 (Wrapping type ore sand screening device based on environmental engineering ) 是由 谢海燕 屠赛飞 钱清清 王炜 阮少烽 于 2020-05-19 设计创作，主要内容包括：本发明公开了一种基于环境工程的包裹式矿砂筛选装置,包括设于地面上的第一支架、设于所述第一支架上的筛分装置、设于所述筛分装置上方的进料斗、设于所述筛分装置下方的料箱；所述筛分装置包括设于所述第一支架上的壳体、设于所述壳体内的筛分桶、设于所述壳体内的电机、设于所述筛分桶下方沿着筛分桶径向分布一周的齿条、设于所述电机上与所述齿条相互啮合的第一齿轮、设于所述壳体上端的隔离板。本发明通过壳体及筛分桶的设置,通过内部筛分的方式,减少了粉尘的飘散,保证了工地的工作环境,保证了工人的健康,通过筛分桶的设置,通过旋转的方式使内部的物料进行翻滚,有效增加了过滤质量,提高了砂石的产量。(The invention discloses a wrapping type ore sand screening device based on environmental engineering, which comprises a first support arranged on the ground, a screening device arranged on the first support, a feed hopper arranged above the screening device, and a material box arranged below the screening device, wherein the screening device comprises a first support and a second support; screening plant is including locating casing on the first support, locating screening bucket in the casing, locating motor in the casing, locating screening bucket below is along the rack of screening bucket radial distribution a week, locate on the motor with rack intermeshing's first gear, locate the division board of casing upper end. According to the invention, through the arrangement of the shell and the screening barrel, the floating of dust is reduced through an internal screening mode, the working environment of a construction site is ensured, the health of workers is ensured, the internal materials are rolled through the arrangement of the screening barrel and a rotating mode, the filtering quality is effectively increased, and the output of sand stones is improved.)

1. A parcel type ore sand screening device based on environmental engineering comprises a first support (1) arranged on the ground, a screening device (2) arranged on the first support, a feed hopper (3) arranged above the screening device, and a feed box (4) arranged below the screening device; the method is characterized in that: screening plant (2) including locating casing (21) on the first support, locate screening bucket (22) in the casing, locate motor (23) in the casing, locate screening bucket below along screening bucket radial distribution a week rack (24), locate on the motor with rack intermeshing's first gear (25), locate division board (26) of casing upper end.

2. The environmental engineering based parcel formula ore sand sieving mechanism of claim 1, characterized in that: the screening barrel (22) comprises a barrel body (221) arranged in a shell, a feed inlet (222) arranged at the top end of the barrel body, a spiral channel (223) arranged in the barrel body, a baffle (224) used for separating two adjacent layers of spiral channels, a plurality of layered plates (225) sleeved on the barrel body, filter holes (226) with various apertures arranged on the wall of the spiral channel, a discharge hole (227) arranged on the shell and corresponding to the layered plates, a supporting structure (5) arranged below the layered plates, an auxiliary discharge assembly arranged at the discharge hole, a flow guide structure (6) arranged on the inner wall of the shell and positioned above the layered plates, and an extrusion structure (7) arranged on the inner wall of the shell; an included angle is formed between the axial direction of the barrel body and the vertical direction; the filter holes increase layer by layer along the spiral track with the pore diameter being limited by the layered plate.

3. The environmental engineering based parcel formula ore sand sieving mechanism of claim 1, characterized in that: the supporting structure (5) comprises a lug (51) arranged below the layered plate, a first cavity (52) arranged in the lug, a first wheel shaft (53) arranged in the first cavity, a supporting wheel (54) sleeved on the wheel shaft of the wheel, a lug (55) arranged in a circle in the radial direction of the supporting wheel, a dustproof cover shell (56) arranged on the upper side of the layered plate on the inner wall of the shell, a second support (57) arranged in the dustproof cover shell, a second wheel shaft (58) arranged on the second support, a driven wheel (59) sleeved on the second wheel shaft, and a transmission ring (510) arranged in a circle in the radial direction of the barrel body.

4. The environmental engineering based parcel formula ore sand sieving mechanism of claim 1, characterized in that: the auxiliary discharging assembly comprises a material gathering part (8) and a cleaning part (9); the material gathering component (8) comprises an extension column (81) arranged below the second rotating shaft, a second gear (82) arranged on the extension column, a first support column (83) arranged on the inner wall of the shell, a third gear (84) arranged on the first support column, a connecting column (85) arranged on the third gear, a second support column (86) arranged below the first support column, a limiting block (87) arranged on the second support column, a first rotating rod (88) with one end sleeved on the connecting column and rotatably connected, a first sliding chute (89) arranged on the first rotating rod, and a material gathering plate (10) arranged at the other end of the first rotating rod; the second gear and the third gear are meshed with each other.

5. The environmental engineering based parcel formula ore sand sieving mechanism of claim 1, characterized in that: the material gathering plate (10) comprises a connecting block (101) connected with a first rotating rod, a scraping plate (102) arranged below the connecting block, a first trepanning (103) arranged in the connecting block, a first guide pillar (104) arranged above the scraping plate and matched with the trepanning, a first elastic piece (105) sleeved on the guide pillar and used for resetting the scraping plate, and a first dust-proof block (106) arranged on the periphery of the connecting block.

6. The environmental engineering based parcel formula ore sand sieving mechanism of claim 1, characterized in that: cleaning component (9) including locate carousel (91) on the extension post, locate dogtooth (92) on the carousel, locate third support (93) in the casing, locate first slide rail (94) on the third support, locate in the slide rail can be in the slide rail round trip movement's traveller (95), locate first slider (96) on the traveller, set up in first joint mouth (97) on the first slider, one end is connected in shells inner wall and is used for reseing second elastic component (98) of first slider, cover are located second swing arm (99) on the traveller, locate second spout (910) on the second swing arm, locate fourth support (911) of third support below, locate projection (912) on the fourth support, but the rotatable cover is located second slider (913) that on the projection and can round trip movement in the second spout, The hair brush (914) is arranged below the rotary rod and arranged on the fourth support, and the reset structure (11) is used for lifting the hair brush.

7. The environmental engineering based parcel formula ore sand sieving mechanism of claim 1, characterized in that: the reset structure (11) comprises a third elastic piece (111) which is arranged at one end in the second sliding groove and is connected with the brush to lift the brush upwards, and an arc-shaped sliding rail (112) which is arranged above the first sliding rail and is communicated with the two ends of the first sliding rail.

8. The environmental engineering based parcel formula ore sand sieving mechanism of claim 1, characterized in that: the flow guide structure (6) comprises a groove (61) arranged on the inner wall of the shell, a rotating part (62) arranged in the groove, a flow guide plate (63) connected to the rotating part, an inclined plane (64) arranged below the flow guide plate, a notch (65) arranged in the middle section of the flow guide plate, a second guide pillar (66) arranged in the notch, a second sleeve hole (67) corresponding to the notch, and a fourth elastic part (68) sleeved on the second guide pillar.

9. The environmental engineering based parcel formula ore sand sieving mechanism of claim 1, characterized in that: extrusion structure (7) including locating shells inner wall's base (71), locate set post (72) on the base, locate fore-set (73) in the set post, locate fifth support (74) on the fore-set, locate extrusion wheel (75) in the fifth support, set up in third spout (76) on the set post, locate fore-set side can be in third spout round trip movement spacing post (77), locate be used for restoring to the throne in the set post fifth elastic component (78) of fore-set.

Technical Field

The invention belongs to the technical field of ore sand screening, and particularly relates to a wrapping type ore sand screening device based on environmental engineering.

Background

The sieving machine is a vibrating sieving mechanical device which utilizes the relative movement of bulk materials and a sieve surface to lead partial particles to penetrate through sieve pores and divide materials such as sand, gravel, broken stone and the like into different grades according to the particle size. The mining screening machine comprises a rack, a screen and a driving mechanism, wherein the screen is arranged on the rack, the driving mechanism is used for driving the screen to perform vibration screening, the screen surface of the screen is obliquely arranged, materials to be screened are led in from the higher end of the screen, and the materials with various particle sizes after screening are discharged from the lower end of the screening machine.

The screening process is usually accompanied by great dust in the daily use process, the flying dust greatly influences the working environment of a construction site, the flying dust is often sucked into the lung by workers in the breathing process, so that the workers are caused to hurt the lung in the working environment for a long time, meanwhile, the existing slope mode is usually adopted to enable the material to automatically slide down in the shaking process, but the retention time of the material on the screen is short, the material cannot be fully screened, and the yield of the screened product is usually low.

Disclosure of Invention

The invention provides a wrapping type ore sand screening device which is used for preventing dust from flying and has a strong screening effect based on environmental engineering, aiming at overcoming the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a wrapping type ore sand screening device based on environmental engineering comprises a first support arranged on the ground, a screening device arranged on the first support, a feed hopper arranged above the screening device, and a material box arranged below the screening device; the screening device comprises a shell arranged on the first support, a screening barrel arranged in the shell, a motor arranged in the shell, racks arranged below the screening barrel and distributed along the radial direction of the screening barrel in a circle, a first gear arranged on the motor and meshed with the racks, and a separation plate arranged at the upper end of the shell; the first gear is driven to rotate by the rotation of the motor, so that the rack meshed with the first gear drives the whole internal screening barrel to rotate, thereby carrying out screening, the screening barrel is completely wrapped by the shell, the whole screening process is always in the shell, the screened product is discharged from the side wall of the shell, thereby effectively reducing the flying of dust, avoiding the damage to the lung of the human body caused by the inhalation of flying dust existing in the ore sand field by workers, ensuring the safety of the workers, meanwhile, the environment is protected, the materials in the inner part are rolled in a rotary screening mode, compared with a vibration mode, the rolling can enable the materials on the upper layer to be in a motion state, the materials are always in a rolling state, thereby make each district can both obtain better screening, the screening effect is better, will have certain promotion to the output of tiny materials such as grit.

The screening barrel comprises a barrel body arranged in a shell, a feed inlet arranged at the top end of the barrel body, a spiral channel arranged in the barrel body, a baffle plate for separating two adjacent layers of spiral channels, a plurality of layered plates sleeved on the barrel body, filtering holes with various apertures arranged on the spiral channel wall, a discharge hole arranged on the shell and corresponding to the layered plates, a supporting structure arranged below the layered plates, an auxiliary discharge assembly arranged at the discharge hole, a flow guide structure arranged on the inner wall of the shell and positioned above the layered plates, and an extrusion structure arranged on the inner wall of the shell; the axial direction of the barrel body forms a certain angle with the vertical direction; the filter holes increase layer by layer along the spiral track by taking the layered plate as a boundary aperture; the materials enter the spiral channel below through the smooth track of the feed inlet, the materials are accumulated on one side in the barrel body due to gravity due to the inclined barrel body, the baffle separates the adjacent spiral tracks in the same plane, the materials are prevented from directly entering the next section of screening area in the screening process, the materials are attached to the side wall and continuously roll due to the action of gravity in the rotation process of the screening barrel, the materials which conform to the aperture of the filtering holes are filtered out along the filtering holes, the whole barrel body is divided into a plurality of layers by the layering plates to screen the gravels with different sizes, the screening process of the gravels is completed when the materials are continuously turned over, the rest materials enter the area which is below the layering plates as the boundary, the larger materials are screened, and finally large stones which cannot pass through the filtering holes are discharged from the bottom, so that the screening of multi-grade sand ores is realized by one machine, meanwhile, the screening path is effectively increased, so that the screening process is lengthened, and the yield of screened products is improved.

The supporting structure comprises a lug arranged below the layered plate, a first cavity arranged in the lug, a first wheel shaft arranged in the first cavity, a supporting wheel sleeved on the wheel shaft of the wheel shaft, a lug arranged on the radial periphery of the supporting wheel, a dustproof housing arranged on the inner wall of the shell and positioned above the layered plate, a second support arranged in the dustproof housing, a second wheel shaft arranged on the second support, a driven wheel sleeved on the second wheel shaft, and a transmission ring arranged on the radial periphery of the barrel body; when the staving is rotatory under the drive of motor, the lamination board will be placed on the supporting wheel, and be supported by the supporting wheel, the pivoted staving will drive the supporting wheel and rotate, thereby lug on the supporting wheel will rotate the effect that the in-process constantly jack-up lamination board has played the whole screening bucket of vibration at the rotation, thereby further strengthened the screening effect of screening bucket, thereby the setting with the driven wheel on the second support with set up the extrusion of having guaranteed through the driven wheel that the staving is in the axis all the time at the radial driving ring of staving in a week of transmission ring in contact with each other, the stability of staving has been increased.

The auxiliary discharging assembly comprises a material gathering component and a cleaning component; the material gathering component comprises an extension column arranged below the second rotating shaft, a second gear arranged on the extension column, a first support arranged on the inner wall of the shell, a third gear arranged on the first support, a connecting column arranged on the third gear, a second support arranged below the first support, a limiting block arranged on the second support, a first rotating rod with one end sleeved on the connecting column and rotatably connected, a first sliding groove arranged on the first rotating rod and a material gathering plate arranged at the other end of the first rotating rod; the second gear and the third gear are meshed with each other; the driven wheel rotates under the driving of the transmission device, so that the second rotating shaft connected with the driven wheel is driven to rotate, the second rotating shaft is driven to rotate, the second gear is driven to rotate, the third gear meshed with the third gear rotates simultaneously, the first rotating rod sleeved on the third gear is limited by the second supporting column, the third gear rotates to drive the whole material gathering plate to continuously scrape the upper surface of the layered plate towards the discharge hole, and then the material gathering plate is lifted and moves backwards along with the continuous rotation of the third gear, so that the screened materials are not moved along the layered plate and are stacked at the discharge hole, and the materials are stacked to be discharged easily.

The material gathering plate comprises a connecting block connected with a first rotating rod, a scraping plate arranged below the connecting block, a first trepanning arranged in the connecting block, a first guide pillar arranged above the scraping plate and matched with the trepanning, a first elastic piece sleeved on the guide pillar and used for resetting the scraping plate, and a first dust-proof block arranged on the periphery of the connecting block; the scraper blade is connected on the connecting block through setting up of first trepanning and first guide pillar, the scraper blade will inwards return when receiving certain extrusion and contract, thereby make the laminating between scraper blade and the lamination board inseparabler, the effect of piling up has been strengthened, the shake that has prevented the staving simultaneously causes the injury to the scraper blade, the touching between the apparatus has been reduced, the life of apparatus has been prolonged, make the scraper blade laminate in the lamination board all the time simultaneously, avoid the material to have rotated the rear of staving under the drive of lamination board because the effect of gravity material whereabouts once more sees through the filtration pore and falls the loss that causes the material in the sieving bucket, the output of final material has effectively been increased.

The cleaning component comprises a rotary disc arranged on the extension column, convex teeth arranged on the rotary disc, a third support arranged in the shell, a first slide rail arranged on the third support, a slide column arranged in the slide rail and capable of moving back and forth in the slide rail, a first slide block arranged on the slide column, a first clamping port arranged on the first slide block, a second elastic element with one end connected to the inner wall of the shell and used for resetting the first slide block, a second rotating rod sleeved on the slide column, a second slide groove arranged on the second rotating rod, a fourth support arranged below the third support, a convex column arranged on the fourth support, a second slide block rotatably sleeved on the convex column and capable of moving back and forth in the second slide groove, a brush arranged on the fourth support and arranged below the rotating rod, and a resetting structure used for lifting the brush, wherein when the rotary disc is driven by a driven wheel to rotate the convex teeth on the rotary disc, the convex teeth rotate along with the driven wheel, go into in the first joint mouth of card, thereby the carousel will drive first slider and remove, the traveller that links to each other with first slider will remove along first slide rail, the second swing arm rotates round the projection under the drive of first slider, thereby the second slider will slide in the second spout and control the brush and laminate in the material that the layering board will sieve and finish and clear away from the discharge gate, the mode that only passes through gravity and inclined plane can't be with piling up the complete clearance of material on the layering board away, the mode of sweeping away the material through the brush will promote ejection of compact speed and ejection of compact effect greatly, clear away the material in time, the material that has avoided the untimely material clearance to lead to sees through the filtration pore and gets back to the possibility in the filter vat once more at rotatory in-process.

The reset structure comprises a third elastic piece and an arc-shaped sliding rail, wherein the third elastic piece is arranged in the second sliding chute, one end of the third elastic piece is connected with the third elastic piece and is used for lifting the hairbrush upwards, and the arc-shaped sliding rail is arranged above the first sliding rail and is communicated with the two ends of the first sliding rail; when first slider slided the end of first spout the second swing arm will upwards be lifted under the effect of third elastic component, thereby the traveller gets into the arc track of top, lose the first slider of dogtooth pulling afterwards and will reset along the arc track under the effect of third elastic component, the orbital setting of arc will make whole each second swing arm upwards pull up, thereby make the brush lift up, the inside possibility of cleaning the material when effectively having avoided the brush to reset, avoided the material to pile up at the brush rear, influence the quality of cleaning of brush, the efficiency of the ejection of compact has been increased simultaneously.

The flow guide structure comprises a groove arranged on the inner wall of the shell, a rotating part arranged in the groove, a flow guide plate connected to the rotating part, an inclined plane arranged below the flow guide plate, a notch arranged at the middle section of the flow guide plate, a second guide pillar arranged in the notch, a second sleeve hole corresponding to the notch, and a fourth elastic part sleeved on the second guide pillar; at the screening in-process of material, because the most material of inertia will laminate to fall under the effect of gravity afterwards in the ladle wall, thereby accomplish and roll and sieve, the material will more from one side by the screening away, partial material probably leaks into the below along the clearance between shells inner wall and the layering board, thereby cause the loss of material, setting through the guide plate, the material will be close to screening bucket orientation under the effect of guide plate, thereby avoid the volume material to be got rid of shells inner wall and the crack department of layering board and leak the below from the crack at the screening in-process, the material loss's that leads to possibility, final output has effectively been improved.

The extrusion structure comprises a base arranged on the inner wall of the shell, a sleeve column arranged on the base, a top column arranged in the sleeve column, a fifth support arranged on the top column, an extrusion wheel arranged in the fifth support, a third sliding chute arranged on the sleeve column, a limiting column arranged on the side edge of the top column and capable of moving back and forth in the third sliding chute, and a fifth elastic element arranged in the sleeve column and used for resetting the top column; the fore-set will be outwards ejecting under the effect of fifth elastic component to make the extrusion wheel extrude screening bucket outer wall all the time, thereby will be partial size and the material extrusion of straining hole approximate solid-state particle card in the straining hole returns the screening bucket, thereby avoided because the material that long-time screening leads to fills up the follow-up screening effect that the straining hole leads to and low, output reduces probably, has improved final output.

According to the invention, through the arrangement of the shell and the screening barrel, the floating of dust is reduced through an internal screening mode, the working environment of a construction site is ensured, the health of workers is ensured, the internal materials are rolled through the arrangement of the screening barrel and a rotating mode, the filtering quality is effectively increased, and the output of sand stones is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a perspective sectional view taken along line a-a of fig. 2.

Fig. 4 is a schematic perspective view of the screening device.

Figure 5 is a left side view of the screening device.

Fig. 6 is a perspective sectional view taken along line B-B of fig. 5.

Fig. 7 is a partially enlarged schematic view of fig. 6.

Fig. 8 is a front view of the sieving barrel.

Figure 9 is a front view of the screening device.

Fig. 10 is a perspective sectional view taken along line C-C of fig. 9.

Fig. 11 is a partially enlarged schematic view of fig. 10.

Fig. 12 is a perspective view of the auxiliary discharging assembly.

Fig. 13 is a left side view of the auxiliary take-off assembly.

Fig. 14 is a perspective sectional view taken along line D-D of fig. 13.

Fig. 15 is a perspective view of fig. 13 taken along line E-E.

Fig. 16 is a partially enlarged schematic view of fig. 14.

Fig. 17 is an enlarged perspective view of the flow guide structure.

Fig. 18 is a bottom view of the baffle structure.

Fig. 19 is a perspective sectional view taken along line F-F of fig. 18.

Fig. 20 is an enlarged perspective view of the extrusion structure.

Fig. 21 is a rear view of the pressing structure.

Fig. 22 is a perspective sectional view taken along line G-G of fig. 21.

Detailed Description

As shown in fig. 1-22, a wrapped type ore screening device based on environmental engineering comprises a first bracket 1, a screening device 2, a feed hopper 3 and a bin 4; the screening device comprises a first support 1, a screening device 2, a feed hopper 3, a bin 4 and a screening device, wherein the first support is arranged on the ground; the screening device 2 comprises a shell 21, a screening barrel 22, a motor 23, a rack 24, a first gear 25 and a partition plate 26; the shell 21 is arranged on the first bracket, the screening barrel 22 is arranged in the shell, the motor 23 is arranged in the shell, the rack 24 is arranged below the screening barrel and is distributed along the radial direction of the screening barrel for a circle, the first gear 25 is arranged on the motor and is meshed with the rack, the isolation plate 26 is arranged at the upper end of the shell, the shell is of a cylindrical barrel structure, the screening barrel is arranged at the inner central position of the barrel in a penetrating way, the motor is arranged at the corner below the shell, the motor is the prior art which can be directly bought in the market and is not described again, the rack is arranged at the bottom end of the screening barrel, the rack is meshed with the first gear around the screening barrel for a circle, thereby first gear revolve will drive whole screening bucket and rotate, and the division board setting has been in the casing upper end, thereby the screening region of screening bucket is whole to be wrapped up and has been guaranteed that the internal seal has guaranteed that the dust can not fly away out again among the screening process.

As shown in fig. 2 to 8, the sieving barrel 22 comprises a barrel body 221, a feed inlet 222, a spiral channel 223, a baffle 224, a layered plate 225, a filtering hole 226, a discharge outlet 227, a support structure 5, an auxiliary discharge assembly, a flow guide structure 6 and an extrusion structure 7; the barrel body 221 is arranged in the shell, the feed inlet 222 is arranged at the top end of the barrel body, the spiral channel 223 is arranged in the barrel body, the baffle 224 is used for separating two adjacent layers of spiral channels, a plurality of layered plates 225 are arranged and sleeved on the barrel body, the filter holes 226 are arranged on the spiral channel walls, the discharge hole 227 is arranged on the shell and corresponds to the layered plates, the supporting structure 5 is arranged below the layered plates, the auxiliary discharge assembly is arranged at the discharge hole, the flow guide structure 6 is arranged on the inner wall of the shell and is positioned above the layered plates, and the extrusion structure 7 is arranged on the inner wall of the shell; the axial direction of the barrel body forms a certain angle with the vertical direction, and the specific angle of the included angle is selected according to the actual requirement and is not limited herein; the filter holes increase layer by layer along the spiral track by taking the layered plate as a boundary aperture; the whole barrel body can be divided into two sections, the position of the top end feed inlet is a straight structure, materials can conveniently enter the screening barrel, the second section is a spiral channel, the form is similar to the spiral structure of the spiral feeder, if the cross section of the spiral feeder is compared with a U-shaped structure with clear edges and corners, the longitudinal section of the structure is displayed as a structure with round and smooth U-shaped overlapped corners, the outer surface looks similar to a compressed spring, the bending part is an arc-shaped structure, the materials are stacked in the arc of the U-shaped bottom edge due to gravity, the arc can generate better wrapping effect on the materials, the baffle plates are two sides of the U-shaped structure, the preferred filtering holes can be only arranged below the stacked corner sides of the U-shaped materials, the materials on the upper layer are prevented from returning to the screening barrel through the filtering holes on the lower layer, and the layered plates are used as grade classification isolation plates, the cover is established at staving outside a week, and the inner circle size of big or small casing is similar, divide into the multistage with whole barrel through the layering board, and this branch is 3 sections, and one section of the top is the screening structure of fine sand, and the centre then is the screening structure of gravel, and the below then is the screening structure of rubble, so on and so on, and the filtration pore aperture on each section is different for the material of screening different specifications, carries out the screening of multistage, and the discharge gate sets up on the casing wall of each layering board minimum.

As shown in fig. 6-7, the support structure 5 includes a protrusion 51, a first cavity 52, a first axle 53, a support wheel 54, a protrusion 55, a dust-proof cover 56, a second bracket 57, a second axle 58, a driven wheel 59, and a driving ring 510; the lug 51 is arranged below the layered plate, the first cavity 52 is arranged in the lug, the first wheel shaft 53 is arranged in the first cavity, the supporting wheel 54 is sleeved on the wheel shaft of the wheel shaft, the lug 55 is arranged on one circle of the supporting wheel in the radial direction, the dustproof cover 56 is arranged on the inner wall of the shell and is positioned above the layered plate, the second support 57 is arranged in the dustproof cover, the second wheel shaft 58 is arranged on the second support, the driven wheel 59 is sleeved on the second wheel shaft, the driving ring 510 is arranged on one circle of the barrel in the radial direction, the supporting structure is provided with a plurality of groups, wherein 4 groups are arranged on each layered plate, the lug is a block structure arranged on the inner wall of the shell and is positioned below the layered plate, the first cavity is a cavity structure arranged on the lug, the first wheel shaft is arranged in the first cavity and is a cylindrical rod-shaped structure, and the supporting wheel is a wheel body arranged on the first wheel, be provided with a plurality of lugs on it, the lug will constantly be with layering board jack-up when the wheel body rotates, thereby produce vibrations effect and strengthen the screening effect, dustproof housing is a casing of setting on shells inner wall, be used for protecting the follower and can not glue on the sand, lead to unable rotation, the second support is for setting up at shells inner wall, two boards on, the second shaft is for wearing to establish the axle on the second support, the follower is a great disk body, for a friction wheel structure frictional force is great, the driving ring is a setting at screening bucket outer wall, circular ring structure who is located screening bucket axle center, laminate each other with the follower, will drive the follower and rotate together when screening bucket rotates, stable in structure.

As shown in fig. 12-16, the auxiliary discharging assembly comprises a material gathering part 8 and a cleaning part 9; each layer of the auxiliary discharging assembly is provided with one group, the auxiliary discharging assembly is arranged below the lowest supporting part of each layered plate, and the material gathering part 8 comprises an extension column 81, a second gear 82, a first support column 83, a third gear 84, a connecting column 85, a second support column 86, a limiting block 87, a first rotating rod 88, a first sliding groove 89 and a material gathering plate 10; an extension column 81 is arranged below the second rotating shaft, a second gear 82 is arranged on the extension column, a first support column 83 is arranged on the inner wall of the shell, a third gear 84 is arranged on the first support column, a connecting column 85 is arranged on the third gear, a second support column 86 is arranged below the first support column, a limiting block 87 is arranged on the second support column, one end of a first rotating rod 88 is sleeved on the connecting column and can be rotatably connected, a first sliding groove 89 is arranged on the first rotating rod, and a material gathering plate 10 is arranged at the other end of the first rotating rod; the second gear and the third gear are meshed with each other; the extension column is a small section of the second support extended from the second wheel shaft, the second gear is of an oblique gear structure, the third gear meshed with the extension column is of a helical gear structure, the connecting column is arranged on the surface, close to the screening barrel, of the helical gear, the second support is a fixing column arranged below the third gear, the first rotating rod is of a structure, the upper portion of the first rotating rod is provided with a sliding groove, one end of the first rotating rod is fixed on the connecting column on the third gear, the sliding groove is sleeved on the second support and limited by a limiting block, so that the swinging of the first rotating rod is reduced, the material collecting plate is connected with the other end of the first rotating rod, when the first rotating rod is driven by the third gear to drive the connecting column end to do circular motion, the other end of the first rotating rod does circular motion, and the material collecting plate is controlled to finish scraping motion.

As shown in fig. 14 and 16, the material gathering plate 10 includes a connecting block 101, a scraper 102, a first bushing 103, a first guide pillar 104, a first elastic member 105, and a first dust-proof block 106; the connecting block 101 is connected to the first rotating rod, the scraper 102 is arranged below the connecting block, the first trepanning 103 is arranged in the connecting block, the first guide pillar 104 is arranged above the scraper and matched with the trepanning, the first elastic piece 105 is sleeved on the guide pillar and used for resetting the scraper, and the first dust-proof block 106 is arranged on the periphery of the connecting block; the connecting block is a rectangular block structure, the scraper blade is a vertical section and is triangle-shaped's structure, triangle-shaped's sharp corner end is down, first trepanning sets up and is provided with a plurality ofly on the connecting block, this place is 4, first guide pillar that corresponds with it leads to and is provided with 4, thereby realized the scraper blade for the relative movement who exists between the connecting block, first elastic component here is the spring, a distance for between control connecting block and the scraper blade, the scraper blade receives the extrusion when the scraper blade touches the layering board, retract, thereby laminate in the surface of layering board all the time.

As shown in fig. 12 and 15, the cleaning component 9 includes a rotary disc 91, a convex tooth 92, a third bracket 93, a first slide rail 94, a slide column 95, a first slide block 96, a first clamping interface 97, a second elastic element 98, a second rotating rod 99, a second slide slot 910, a fourth bracket 911, a convex column 912, a second slide block 913, a brush 914, and a return structure 11; the rotary table 91 is arranged on the extension column, the convex teeth 92 are arranged on the rotary table, the third support 93 is arranged in the shell, the first slide rail 94 is arranged on the third support, the slide column 95 is arranged in the slide rail and can move back and forth in the slide rail, the first slide block 96 is arranged on the slide column, the first clamping port 97 is arranged on the first slide block, one end of the second elastic piece 98 is connected to the inner wall of the shell and is used for resetting the first slide block, the second rotary rod 99 is sleeved on the slide column, the second slide groove 910 is arranged on the second rotary rod, the fourth support 911 is arranged below the third support, the convex column 912 is arranged on the fourth support, the second slide block 913 is rotatably sleeved on the convex column and can move back and forth in the second slide groove, and the brush 914 is arranged below the rotary rod on the fourth support; the rotary table is a sheet structure sleeved on the extension column and is connected with the second gear, the convex tooth is of a single tooth-shaped structure and is arranged on the rotary table, the third support is a rectangular columnar structure support, the top end of the support is provided with a crescent-shaped disc, a lower straight track is a first slide rail, the slide column is of a columnar structure and is arranged in the first slide rail and can move back and forth in the first slide rail, the first slide block is a rectangular block body arranged on the slide column, a notch matched with the convex tooth is arranged above the first slide rail and is a first clamping port, the convex tooth clamps the first clamping port to drive the first slide block to move in the rotating process of the convex tooth along the rotary table, the second rotary rod is a spring connected to the inner wall of the shell and the first slide block, the second rotary rod is sleeved on the slide column and is fixedly attached to the third support by the first slide block, one end of the second rotary rod can move along with the slide column, be provided with the second spout on the second swing arm, be provided with the second slider in the second spout, this second slider is fixed by the projection on the fourth support, only can rotate round the projection, so first slider is along with the dogtooth when removing, the second slider will constantly rotate, and remove in the second spout, the brush movement track that sets up at the other end will be opposite with first slider, so do the action similar to clean, clean away the material of discharge gate department with the mode of sweeping, this stable in structure, and be close to constantly along with first slider and projection, the brush will constantly extrude under the drive of second swing arm, thereby the messenger cleans more thoroughly.

As shown in fig. 15, the restoring structure 11 includes a third elastic member 111 and an arc-shaped sliding rail 112; the third elastic piece 111 is arranged in the second sliding groove, one end of the third elastic piece is connected and used for lifting the brush upwards, the arc-shaped sliding rail 112 is arranged above the first sliding rail and communicated with two ends of the first sliding rail, the third elastic piece is arranged in the second sliding groove, one end of the third elastic piece is connected to the second sliding block, the other end of the third elastic piece is connected to the inner wall of the second sliding groove, the arc-shaped sliding rails are connected with the crescent plate in an end-to-end mode, a closed track with the lower portion being in the shape of a circular arc above a straight line is formed, when the sliding column moves to the farthest end, the third elastic piece contracts to pull the second rotary rod to move upwards, the sliding column enters the arc-shaped track and resets under the action of the second elastic piece, and therefore the mode that the brush is lifted is reset, and the phenomenon that materials are adhered to the brush to the maximum extent are avoided.

As shown in fig. 17-19, the flow guiding structure 6 includes a groove 61, a rotating member 62, a flow guiding plate 63, an inclined surface 64, a notch 65, a second guide post 66, a second sleeve hole 67, and a fourth elastic member 68; the groove 61 is arranged on the inner wall of the shell, the rotating part 62 is arranged in the groove, the guide plate 63 is connected on the rotating part, the inclined plane 64 is arranged below the guide plate, the notch 65 is arranged at the middle section of the guide plate, the second guide post 66 is arranged in the notch, the second sleeve hole 67 corresponds to the notch, the fourth elastic part 68 is sleeved on the second guide post, the groove is of a notch structure arranged on the wall, the rotating part is arranged in the groove, the guide plate is of a rectangular plate structure, the inclined plane is arranged at the position below the guide plate to ensure that the guide plate is more attached to the inner wall of the shell in the rotating process, the notch divides the guide plate into two parts, preferably, a layer of dust ring can be wrapped on the periphery of the notch to prevent dust from entering the notch, and meanwhile, a certain displacement distance exists between the two guide plates in the form of the guide post and, the lower end of the guide plate is more attached to the layered plate by the arrangement of the structure, so that materials are prevented from leaking through the guide plate, and the guide plate is connected to the inner wall of the shell through the rotating piece.

As shown in fig. 20-22, the extruding structure 7 includes a base 71, a sleeve pillar 72, a top pillar 73, a fifth bracket 74, an extruding wheel 75, a third sliding groove 76, a limiting pillar 77, and a fifth elastic member 78; the base 71 is arranged on the inner wall of the shell, the sleeve column 72 is arranged on the base, the top column 73 is arranged in the sleeve column, the fifth support 74 is arranged on the top column, the extrusion wheel 75 is arranged in the fifth support, the third sliding groove 76 is arranged on the sleeve column, the limiting column 77 is arranged on the side edge of the top column and can move back and forth in the third sliding groove, and the fifth elastic element 78 is arranged in the sleeve column and is used for resetting the top column; the extrusion structure is provided with a plurality of extrusion structures which act on the surface of the screening barrel after the materials are screened, the base is a rectangular platform structure arranged in the shell, the sleeve column is a tubular column body structure and is vertically arranged on the platform, the top column is a cylindrical column body and is arranged on the sleeve column cover in a penetrating way, the lower end of the top column is provided with a limiting column which is of two boss structures, the limiting column is clamped in a third chute arranged on the sleeve column so as to limit the limit position of the back-and-forth movement, meanwhile, the top column is provided with a fifth elastic piece arranged in the sleeve column, the fifth elastic piece is jacked up by a spring, a fifth bracket arranged on the head of the top column is jacked out outwards, so that an extrusion wheel arranged on the fifth bracket is attached to the outer surface of the screening barrel, the difference height can be adjusted along with the rotation of the outer wall of the screening barrel, and the outer wall of the screening barrel is kept to extrude the materials clamped in the filter, the smooth filter holes are ensured, thereby ensuring the screening effect.

The specific operation flow is as follows:

the motor rotates to drive the first gear to rotate, the rack meshed with the first gear drives the whole screening barrel to rotate, materials are poured into the feeding hopper from the upper part at the moment, the materials enter the spiral channel from the lower part along the feeding port and are stacked on one side of the spiral channel, when the screening barrel rotates, the materials continuously roll in the spiral channel and continuously move downwards along the axial direction of the screening barrel, the materials which accord with the aperture size of the filter holes are screened out in the rolling process of the materials and enter the area between the shell and the screening barrel, the materials slowly move towards the outer ring of the laminated plate under the rotating action, at the moment, the materials contact the guide plate in the moving process and are far away from the gap between the shell and the screening barrel under the action of the guide plate, and therefore the situation that the materials cannot fall from the gap is ensured, and the yield of the materials is reduced is caused, the material moves to discharge gate department along with the motion of guide plate, the driving ring on the screening bucket drives the follower rotation this moment, thereby the follower drives the second gear through the second shaft and rotates, the third gear engaged with it will rotate equally, the swing arm that one end was connected on the third gear this moment will use the second pillar as the fixed point and begin to rotate, thereby the collection flitch of control below carries out circulating the reason of scraping to the upper surface of division board, play the purpose of gathering the material, first slider is driven by the dogtooth on the carousel of same connection on the second shaft simultaneously, thereby make the brush on the second swing arm clean the layering board of discharge gate department, the material is discharged the material through the discharge gate of layering board one side, the in-process that the material descends is through screening many times, the material that can't pass through any aperture will finally be discharged from screening bucket below.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.