阅读说明：本技术 一种矿山石料离心除尘设备及其使用方法 (Centrifugal dust removal equipment for mine stones and using method thereof ) 是由 宋明亮 于 2021-07-26 设计创作，主要内容包括：本发明涉及除尘设备技术领域,且公开了一种矿山石料离心除尘设备及其使用方法,其中的一种矿山石料离心除尘设备包括壳体、分离箱和顶板,所述壳体的底部四角均固定安装有支撑柱,四个支撑柱的底端固定安装有同一个底座,底座的顶部放置有第一收集框,所述壳体一侧固定安装有除尘箱,除尘箱内固定安装有过滤网,且除尘箱的顶部一侧固定安装有吸尘风机。本发明设计合理,通过带动弧形筛板转动的同时上下震动,提升石料与灰尘分离的效果和弧形筛板的筛分效率,并同时通过带动刮板做同步的上下往复运动,从而对将过滤网表面的灰尘刮落到第二收集框内,进一步提升对于灰尘收集的效果,利于设备的持续使用。(The invention relates to the technical field of dust removal equipment and discloses centrifugal dust removal equipment for mine stones and a using method of the centrifugal dust removal equipment. The dust collecting device is reasonable in design, the arc-shaped sieve plate is driven to vibrate up and down while rotating, the effect of separating stone materials from dust and the screening efficiency of the arc-shaped sieve plate are improved, and meanwhile, the scraper plate is driven to do synchronous up-and-down reciprocating motion, so that the dust on the surface of the filter screen is scraped into the second collecting frame, the dust collecting effect is further improved, and the dust collecting device is beneficial to continuous use of equipment.)

1. The centrifugal dust removing equipment for mine stones comprises a shell (1), a separating box (2) and a top plate (3), and is characterized in that supporting columns are fixedly mounted at four corners of the bottom of the shell (1), the same base (35) is fixedly mounted at the bottom ends of the four supporting columns, a first collecting frame (31) is placed at the top of the base (35), a dust removing box (27) is fixedly mounted at one side of the shell (1), a filter screen (26) is fixedly mounted in the dust removing box (27), a dust absorbing fan (28) is fixedly mounted at one side of the top of the dust removing box (27), a feed hopper (29) is communicated with one side of the top of the shell (1), two fixing plates (13) are fixedly connected with the top of the shell (1), a motor (7) and two vertical plates (9) are fixedly mounted at the bottom of the top plate (3), and one end of a worm (8) is fixedly connected with an output shaft of the motor (7), the other end fixedly connected with of worm (8) one end of vertical axis (6), the separator box (2) top is the opening setting, and fixed mounting has arc sieve board (4) in separator box (2), a plurality of sieve meshes (5) have been seted up at arc sieve board (4) top, and the bottom of vertical axis (6) and the top fixed connection of arc sieve board (4), vertical groove (14) have all been seted up to the bottom of two riser (9), two fixed plate (13) respectively with corresponding vertical groove (14) sliding connection, the one side that two riser (9) are close to each other rotates installs same cross axle (10), fixed mounting has worm wheel (11) and two cams (12) on cross axle (10), worm wheel (11) mesh with worm (8), cam (12) and the top roll connection of casing (1), the opposite side fixed mounting of riser (9) that are located one side has diaphragm (19), the top of dust removal case (27) has been seted up vertical hole, and slidable mounting has montant (20) in the vertical hole, and one side fixed mounting of montant (20) has scraper blade (25), and scraper blade (25) and one side activity butt of filter screen (26), the opposite side fixed mounting of montant (20) has first rack (23), diaphragm (19) one side fixed mounting has second rack (24), the mounting panel has been seted up at the top of dust removal case (27), and the mounting panel front side is rotated and is installed first gear (21), and first gear (21) meshes with first rack (23) mutually, and first gear (21) front side fixed mounting has second gear (22), and second gear (22) meshes with second rack (24) mutually, the bottom fixed mounting of dust removal case (27) has the curb plate, and curb plate one side bottom fixed mounting has the backup pad, and second collection frame (36) has been placed at the top of backup pad, the second is collected frame (36) and is connected with the bottom activity sealing of dust removal case (27), the discharge gate has been seted up to casing (1) opposite side bottom, and casing (1) internal fixation installs ejection of compact swash plate (37).

2. The centrifugal dust removing equipment for mine stones according to claim 1, wherein a limiting plate (17) is fixedly mounted at the top of one side of each of two fixing plates (13) close to each other, a limiting groove (16) is formed in the inner wall of one side of the vertical groove (14), the two limiting plates (17) are respectively in sliding connection with the corresponding limiting grooves (16), the same limiting rod (18) is fixedly connected to the inner wall of the top and the inner wall of the bottom of each limiting groove (16), and the two limiting plates (17) are respectively in sliding sleeve joint with the outer sides of the corresponding limiting rods (18).

3. The centrifugal dust removing equipment for mine stones as claimed in claim 2, wherein one end of each return spring (15) is fixedly connected to the bottom of the limiting plate (17), and the other ends of the two return springs (15) are respectively and fixedly connected with the inner wall of the bottom of the corresponding limiting groove (16).

4. The centrifugal dust removing equipment for mine stones as defined in claim 1, wherein the bottom of the separating box (2) is communicated with a dust outlet pipe (30), the bottom of the shell (1) is provided with a circular hole, a cylinder (38) is fixedly installed in the circular hole, and the cylinder (38) is movably sleeved outside the dust outlet pipe (30).

5. The centrifugal dust removing equipment for mine stones as claimed in claim 1, wherein a guide plate (32) is fixedly mounted on one side of the vertical rod (20), one end of a supporting spring (34) is fixedly connected to the bottom of the guide plate (32), and the other end of the supporting spring (34) is fixedly connected with the top of the dust removing box (27).

6. The centrifugal dust removing equipment for mine stones as claimed in claim 5, wherein one end of a guide rod (33) is fixedly connected to the top of the dust removing box (27), and the guide plate (32) is slidably sleeved on the outer side of the guide rod (33).

7. The centrifugal dust removing equipment for mine stones as claimed in claim 1, wherein one end of each stabilizer bar (39) is fixedly mounted on each of the inner walls of the two sides of the separation box (2), and the other ends of the two stabilizer bars (39) are fixedly connected with the vertical shaft (6).

8. The using method of the centrifugal dust removing equipment for mine stones is characterized by comprising the following steps of:

s1: mine stone is placed into a feed hopper (29), falls to the top of an arc-shaped sieve plate (4) under the action of gravity, and dust in the stone enters the bottom of the inner side of a separation box (2) through a sieve hole (5) and enters a first collection frame (31) through a dust outlet pipe (30) and a cylinder (38);

s2: starting a motor (7), driving a worm (8) to rotate by an output shaft of the motor (7), driving a vertical shaft (6) to rotate by the worm (8), driving stones at the top of the vertical shaft (6) to rotate through an arc-shaped sieve plate (4), separating the stones from dust under the action of centrifugal force, driving a worm wheel (11) to rotate while rotating the worm (8), driving a transverse shaft (10) to rotate by the worm wheel (11), driving two cams (12) to rotate by the transverse shaft (10), pushing a top plate (3) and two vertical plates (9) to move upwards by the two cams (12) through contact with the top of a shell (1), compressing two reset springs (15), starting the vertical plates (9) to reversely slide under the action of elastic force of the reset springs (15) after the cams (12) rotate by a certain angle, continuously rotating the cams (12), thereby driving the top plate (3) to vibrate up and down in a reciprocating manner, the top plate (3) drives the arc-shaped sieve plate (4) to vibrate up and down through the motor (7), the worm (8) and the vertical shaft (6), so that the effect of separating stone from dust and the screening efficiency of the arc-shaped sieve plate (4) are improved, the stone flies out of the separation box (2) and falls to the discharging inclined plate (37) under the actions of rotation and up-and-down vibration, and then the stone is discharged through the discharging port;

s3: starting a dust collection fan (28), leading dust in a shell (1) into a dust collection box (27) by the dust collection fan (28) through forming negative pressure in the dust collection box (27), filtering the dust by a filter screen (26) so as to purify air, driving a second rack (24) to reciprocate up and down through a transverse plate (19) while a vertical plate (9) reciprocates up and down, driving a second gear (22) to reciprocate by the second rack (24), driving a first gear (21) to reciprocate by the second gear (22), driving a first rack (23) to reciprocate up and down by the first gear (23), driving a vertical rod (20) to reciprocate up and down by the first rack (20), driving a scraper plate (25) to reciprocate up and down synchronously by the vertical rod (20), so as to scrape the dust on the surface of the filter screen (26) into a second collection frame (36), and further improving the dust collection effect, the continuous use of the equipment is facilitated.

Technical Field

The invention relates to the technical field of dust removing equipment, in particular to centrifugal dust removing equipment for mine stones and a using method of the centrifugal dust removing equipment.

Background

It is known that a great amount of dust pollutants are generated in the process of crushing and producing mine stones, and improper treatment of the pollutants can not only affect the physical health of operators, but also pollute the surrounding environment. At present, the national places great importance on eliminating the dust pollution in mine production, but the existing dust removing equipment is not suitable for mine dust removal, and still falls behind, so that the existing dust removing equipment for mines cannot completely solve the problem of dust pollution in mine production, and the quality of buildings is seriously influenced due to overlarge dust content in stone materials.

Through retrieval, the prior art (application number: CN201620515880.0) discloses a mine stone dust removal crusher, and the inventor finds the following problems while realizing the prior art: 1. the device is difficult to separate more dust particles in stones from the stones, thereby causing poor dust removal effect; 2. the device has poor automatic dust collecting effect, so that the continuous usability is poor; 3. in addition, in the prior art, the filter plates for filtering dust are difficult to clean reasonably and timely, so that a centrifugal dust removal device for mine stones and a using method thereof are provided for solving the problems.

Disclosure of Invention

The invention aims to solve the defects that the existing centrifugal dust removing equipment for mine stone is difficult to separate more dust particles in stone from the stone sufficiently, so that the dust removing effect is poor, the automatic dust collecting effect is poor, and the continuous usability is poor.

In order to achieve the purpose, the invention adopts the following technical scheme:

a centrifugal dust removing device for mine stones comprises a shell, a separating box and a top plate, wherein supporting columns are fixedly mounted at four corners of the bottom of the shell, the bottom ends of the four supporting columns are fixedly provided with a same base, a first collecting frame is placed at the top of the base, a dust removing box is fixedly mounted at one side of the shell, a filter screen is fixedly mounted in the dust removing box, a dust suction fan is fixedly mounted at one side of the top of the dust removing box, a feed hopper is communicated with one side of the top of the shell, two fixing plates are fixedly connected to the top of the shell, a motor and two vertical plates are fixedly mounted at the bottom of the top plate, one end of a worm is fixedly connected to an output shaft of the motor, one end of a vertical shaft is fixedly connected to the other end of the worm, the top of the separating box is provided with an opening, an arc-shaped sieve plate is fixedly mounted in the separating box, a plurality of sieve holes are formed in the top of the arc-shaped sieve plate, and the bottom end of the vertical shaft is fixedly connected with the top of the arc-shaped sieve plate, the dust removing box comprises two vertical plates, two fixing plates, a transverse shaft, a worm wheel and two cams, wherein the vertical grooves are formed in the bottoms of the two vertical plates, the two fixing plates are respectively connected with the corresponding vertical grooves in a sliding mode, one side, close to each other, of the two vertical plates is rotatably installed on the same transverse shaft, the transverse shaft is fixedly provided with the worm wheel and the two cams, the worm wheel is meshed with the worm, the cams are connected with the top of the shell in a rolling mode, the transverse plate is fixedly installed on the other side of the vertical plate on one side, a vertical hole is formed in the top of the dust removing box, the vertical rod is slidably installed in the vertical hole, a scraper is fixedly installed on one side of the vertical rod and movably abutted against one side of the filter screen, a first rack is fixedly installed on the other side of the vertical rod, a second rack is fixedly installed on one side of the transverse plate, an installation plate is formed in the top of the dust removing box, a first gear is rotatably installed on the front side of the installation plate, the first gear is meshed with the first rack, and the second gear is fixedly installed on the front side of the first gear, the second gear meshes with the second rack mutually, the bottom fixed mounting of dust removal case has the curb plate, and curb plate one side bottom fixed mounting has the backup pad, and the second is placed at the top of backup pad and is collected the frame, and the frame is collected to the second and the bottom swing joint of dust removal case, the discharge gate has been seted up to casing opposite side bottom, and fixed mounting has ejection of compact swash plate in the casing.

Preferably, the equal fixed mounting in one side top that two fixed plates are close to each other has the limiting plate, the spacing groove has been seted up on the inner wall of vertical groove one side, two limiting plates respectively with the spacing groove sliding connection who corresponds, and the same gag lever post of fixedly connected with on the top inner wall of spacing groove and the bottom inner wall, two limiting plates slide respectively and cup joint in the outside of the gag lever post that corresponds, carry out further direction spacing to the riser.

Preferably, the bottom fixedly connected with reset spring's of limiting plate one end, two reset spring's the other end respectively with the bottom inner wall fixed connection of the spacing groove that corresponds, reset the riser.

Preferably, the bottom of the separation box is communicated with a dust outlet pipe, a circular hole is formed in the bottom of the shell, a cylinder is fixedly mounted in the circular hole, and the cylinder is movably sleeved on the outer side of the dust outlet pipe, so that dust is conveniently guided into the first collecting frame.

Preferably, a guide plate is fixedly mounted on one side of the vertical rod, one end of a supporting spring is fixedly connected to the bottom of the guide plate, and the other end of the supporting spring is fixedly connected with the top of the dust removal box to support and reset the vertical rod.

Preferably, the top fixedly connected with guide bar's of dust removal case one end, the deflector slides and cup joints in the outside of guide bar, leads the montant.

Preferably, the inner walls of the two sides of the separating box are fixedly provided with one ends of the stabilizer bars, and the other ends of the two stabilizer bars are fixedly connected with the vertical shaft, so that the mounting stability of the separating box is improved.

The invention also provides a use method of the centrifugal dust removal equipment for mine stones, which comprises the following steps:

s1: mine stone is placed into the feed hopper, the mine stone falls to the top of the arc-shaped sieve plate under the action of gravity, and dust in the stone enters the bottom of the inner side of the separation box through the sieve holes and enters the first collection frame through the dust outlet pipe and the cylinder;

s2: starting a motor, driving a worm to rotate by a motor output shaft, driving a vertical shaft to rotate by the worm, driving stone at the top of the vertical shaft to rotate by an arc-shaped sieve plate, separating the stone from dust under the action of centrifugal force, driving a worm wheel to rotate while rotating by the worm, driving a transverse shaft to rotate by the worm, driving two cams to rotate by the transverse shaft, driving a top plate and two vertical plates to move upwards by the two cams through contact with the top of a shell, compressing two reset springs, starting the vertical plates to slide reversely under the elastic action of the reset springs after the cams rotate by a certain angle, driving the cam to rotate continuously so as to drive the top plate to vibrate up and down in a reciprocating manner, driving the arc-shaped sieve plate to vibrate up and down by the top plate through the motor, driving the arc-shaped sieve plate to vibrate up and down, improving the effect of separating the stone from the dust and the screening efficiency of the arc-shaped sieve plate, and flying out of a separation box and falling to an ejection sloping plate under the effects of rotation and vibration, then discharging through a discharge hole;

s3: start dust absorption fan, dust absorption fan is through making the formation negative pressure in the dust removal incasement, with the leading-in dust removal incasement of dust in the casing, the filter screen filters the dust, thereby purify the air, drive second rack up-and-down motion through the diaphragm when riser up-and-down motion, second rack band moves second gear reciprocating rotation, second gear band moves first gear reciprocating rotation, first gear band drives first rack up-and-down motion, first rack band drives montant up-and-down motion, the montant drives the scraper blade and is synchronous up-and-down reciprocating motion, thereby to scraping the second with the dust on filter screen surface and collecting in the frame, further promote the effect of collecting to the dust, do benefit to the continuous use of equipment.

Compared with the prior art, the centrifugal dust removal equipment for the mine stones and the use method thereof provided by the invention have the following beneficial effects:

(1) the arc-shaped sieve plate is driven to vibrate up and down, so that the stone and dust separation effect and the screening efficiency of the arc-shaped sieve plate are improved;

(2) the dust in the stone is guided into the dust removing box by the movable dust collecting fan, and the dust is filtered by the filter screen, so that the air is purified;

(3) do synchronous up-and-down reciprocating motion through driving the scraper blade to in scraping the second collection frame with the dust on filter screen surface, further promote the effect of collecting to the dust, do benefit to the continuous use of equipment.

The dust collecting device is reasonable in design, the arc-shaped sieve plate is driven to vibrate up and down while rotating, the effect of separating stone materials from dust and the screening efficiency of the arc-shaped sieve plate are improved, and meanwhile, the scraper plate is driven to do synchronous up-and-down reciprocating motion, so that the dust on the surface of the filter screen is scraped into the second collecting frame, the dust collecting effect is further improved, and the dust collecting device is beneficial to continuous use of equipment.

Drawings

FIG. 1 is a schematic structural view of a centrifugal dust-removing apparatus for mine stones according to the present invention;

FIG. 2 is a sectional view of a centrifugal dust removing apparatus for mine stones in accordance with the present invention;

FIG. 3 is a schematic structural view of part A of the centrifugal dust removing apparatus for mine stones according to the present invention;

FIG. 4 is a schematic structural view of part B of the centrifugal dust-removing equipment for mine stones, which is provided by the invention;

fig. 5 is a front view of the net drum and the fine net according to the present invention.

In the figure: 1. a housing; 2. a separation tank; 3. a top plate; 4. an arc-shaped sieve plate; 5. screening holes; 6. a vertical axis; 7. a motor; 8. a worm; 9. a vertical plate; 10. a horizontal axis; 11. a worm gear; 12. a cam; 13. a fixing plate; 14. a vertical groove; 15. a return spring; 16. a limiting groove; 17. a limiting plate; 18. a limiting rod; 19. a transverse plate; 20. a vertical rod; 21. a first gear; 22. a second gear; 23. a first rack; 24. a second rack; 25. a squeegee; 26. a filter screen; 27. a dust removal box; 28. a dust collection fan; 29. a feed hopper; 30. a dust outlet pipe; 31. a first collection frame; 32. a guide plate; 33. a guide bar; 34. a support spring; 35. a base; 36. a second collection frame; 37. a discharge sloping plate; 38. a cylinder; 39. a stabilizer bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-5, a centrifugal dust removing device for mine stones, comprising a shell 1, a separating box 2 and a top plate 3, wherein support columns are fixedly mounted at four corners of the bottom of the shell 1, the bottom ends of the four support columns are fixedly mounted with a same base 35, a first collecting frame 31 is placed at the top of the base 35, a dust removing box 27 is fixedly mounted at one side of the shell 1, a filter screen 26 is fixedly mounted in the dust removing box 27, a dust suction fan 28 is fixedly mounted at one side of the top of the dust removing box 27, a feed hopper 29 is communicated with one side of the top of the shell 1, two fixing plates 13 are fixedly connected to the top of the shell 1, a motor 7 and two vertical plates 9 are fixedly mounted at the bottom of the top plate 3, one end of a worm 8 is fixedly connected to an output shaft of the motor 7, one end of a vertical shaft 6 is fixedly connected to the other end of the worm 8, the top of the separating box 2 is provided with an opening, and an arc-shaped sieve plate 4 is fixedly mounted in the separating box 2, the top of the arc-shaped sieve plate 4 is provided with a plurality of sieve pores 5, the bottom end of the vertical shaft 6 is fixedly connected with the top of the arc-shaped sieve plate 4, the bottoms of the two vertical plates 9 are respectively provided with a vertical groove 14, the two fixing plates 13 are respectively connected with the corresponding vertical grooves 14 in a sliding manner, one side, close to each other, of the two vertical plates 9 is rotatably provided with the same transverse shaft 10, the transverse shaft 10 is fixedly provided with a worm wheel 11 and two cams 12, the worm wheel 11 is meshed with the worm 8, the cams 12 are connected with the top of the shell 1 in a rolling manner, the other side of the vertical plate 9 positioned on one side is fixedly provided with a transverse plate 19, the top of the dust removal box 27 is provided with a vertical shaft 20, one side of the vertical shaft 20 is fixedly provided with a scraper 25, the scraper 25 is movably abutted against one side of the filter screen 26, the other side of the vertical shaft 20 is fixedly provided with a first rack 23, one side of the transverse plate 19 is fixedly provided with a second rack 24, the mounting panel has been seted up at dust removal case 27's top, the mounting panel front side is rotated and is installed first gear 21, first gear 21 meshes with first rack 23 mutually, and first gear 21 front side fixed mounting has second gear 22, second gear 22 meshes with second rack 24 mutually, dust removal case 27's bottom fixed mounting has the curb plate, curb plate one side bottom fixed mounting has the backup pad, the second of backup pad has been placed and has been collected frame 36, the second is collected frame 36 and dust removal case 27's bottom swing joint, the discharge gate has been seted up to casing 1 other side bottom, and fixed mounting has ejection of compact swash plate 37 in casing 1.

In this embodiment, two equal fixed mounting in one side top that fixed plate 13 is close to each other has limiting plate 17, has seted up spacing groove 16 on 14 one side inner walls of vertical groove, two limiting plates 17 respectively with the 16 sliding connection of spacing groove that correspond, and the same gag lever post 18 of fixedly connected with on 16 top inner walls of spacing groove and the bottom inner wall, two limiting plates 17 slide respectively and cup joint in the outside of the gag lever post 18 that corresponds, and it is spacing to carry out further direction to riser 9.

In this embodiment, the bottom fixedly connected with reset spring 15's of limiting plate 17 one end, two reset spring 15's the other end respectively with the bottom inner wall fixed connection of the spacing groove 16 that corresponds, reset riser 9.

In this embodiment, the bottom intercommunication of separator box 2 has out dirt pipe 30, and the circular port has been seted up to the bottom of casing 1, and circular port internal fixation has drum 38, and drum 38 activity cup joints in the outside of going out dirt pipe 30, is convenient for in leading-in first collection frame 31 of dust.

In this embodiment, a guide plate 32 is fixedly mounted on one side of the vertical rod 20, one end of a supporting spring 34 is fixedly connected to the bottom of the guide plate 32, and the other end of the supporting spring 34 is fixedly connected to the top of the dust removing box 27 to support and reset the vertical rod 20.

In this embodiment, the top of the dust removing box 27 is fixedly connected with one end of a guide rod 33, and the guide plate 32 is slidably sleeved outside the guide rod 33 to guide the vertical rod 20.

In this embodiment, the one end of stabilizer bar 39 is all fixedly mounted on the inner wall of the two sides of separator box 2, and the other end of two stabilizer bars 39 is all fixedly connected with vertical shaft 6, so as to improve the installation stability of separator box 2.

The invention also provides a use method of the centrifugal dust removal equipment for mine stones, which comprises the following steps:

s1: mine stone is placed into the feed hopper 29, falls to the top of the arc-shaped sieve plate 4 under the action of gravity, and dust in the stone enters the bottom of the inner side of the separation box 2 through the sieve holes 5 and enters the first collection frame 31 through the dust outlet pipe 30 and the cylinder 38;

s2: starting a motor 7, driving a worm 8 to rotate by an output shaft of the motor 7, driving a vertical shaft 6 to rotate by the worm 8, driving stone at the top of the vertical shaft 6 to rotate through an arc-shaped sieve plate 4 so that the stone is separated from dust under the action of centrifugal force, driving a worm wheel 11 to rotate while the worm 8 rotates, driving a cross shaft 10 to rotate by the worm wheel 11, driving two cams 12 to rotate by the cross shaft 10, driving a top plate 3 and two vertical plates 9 to move upwards by the two cams 12 through contact with the top of a shell 1, compressing two return springs 15, after the cams 12 rotate by a certain angle, starting the reverse sliding of the vertical plates 9 under the action of the elastic force of the return springs 15, continuously rotating the cams 12 so as to drive the top plate 3 to vibrate up and down in a reciprocating manner, driving the arc-shaped sieve plate 4 to vibrate up and down by the top plate 3 through the motor 7, the worm 8 and the vertical shaft 6, and improving the effect of separating stone from dust and the screening efficiency of the arc-shaped sieve plate 4, the stone flies out of the separation box 2 under the action of rotation and vertical vibration and falls to the discharging inclined plate 37, and then is discharged through the discharging hole;

s3: start dust absorption fan 28, dust absorption fan 28 is through making the formation negative pressure in the dust removal case 27, with the leading-in dust removal case 27 of dust in the casing 1, filter screen 26 filters the dust, thereby purify the air, riser 9 up-and-down reciprocating motion drives second rack 24 through diaphragm 19 in the time of, second rack 24 drives second gear 22 reciprocating rotation, second gear 22 drives first gear 21 reciprocating rotation, first gear 21 drives first rack 23 up-and-down reciprocating motion, first rack 23 drives montant 20 up-and-down reciprocating motion, montant 20 drives scraper blade 25 and is synchronous up-and-down reciprocating motion, thereby in scraping the second collection frame 36 to the dust with filter screen 26 surface, further promote the effect of collecting to the dust, do benefit to the continuous use of equipment.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.