CN114798051B

CN114798051B - Coal gangue crushing and screening integrated treatment equipment

Info

Publication number: CN114798051B
Application number: CN202210528162.7A
Authority: CN
Inventors: 刘飞; 王馨; 张立超; 王健; 刘晴川; 祝鹏飞; 王莉; 许崇; 王法鑫
Original assignee: Huaibei Normal University
Current assignee: Huaibei Normal University
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2023-01-03
Anticipated expiration: 2042-05-16
Also published as: CN114798051A

Abstract

The invention discloses a coal gangue crushing and screening integrated treatment device, which relates to the technical field of coal gangue crushing and screening and is used for solving the problems of poor crushing effect and low screening efficiency of the existing device on coal gangue, wherein cranks are fixed at two ends of a rotary table through spot welding, a plurality of brackets are fixedly connected to the top of a rack, the outer sides of the correspondingly arranged brackets are movably connected with a first rotary rod through a bearing, a frame is fixed at one adjacent side of the first rotary rod through spot welding, a screen frame is fixedly connected to the top of the first rotary rod, arc-shaped plates are symmetrically fixed inside the screen frame, a screen mesh is connected between the two arc-shaped plates through bolts, a plurality of material conveying rails are installed at the top of the rack, and a first connecting rod and a second connecting rod are respectively and movably connected to two ends of the frame through bearings; compared with the prior art, the multi-stage crushing device can crush coal gangue in multiple stages and improve the screening effect of the coal gangue through the fast frequency deflection of the screen frame.

Description

Coal gangue crushing and screening integrated treatment equipment

Technical Field

The invention relates to the technical field of coal gangue crushing and screening, in particular to coal gangue crushing and screening integrated treatment equipment.

Background

The coal gangue is solid waste discharged in the coal mining process and the coal washing process, is a black gray rock with lower carbon content and harder than coal and associated with a coal bed in the coal forming process, comprises tunneling gangue in the tunneling process, gangue extracted from a top plate, a bottom plate and an interlayer in the mining process and washing gangue selected in the coal washing process, mainly contains Al2O3 and SiO2, and also contains Fe2O3, caO, mgO, na2O, K2O, P2O5, SO3 and trace rare elements in different quantities;

however, the existing screening method for the coal gangue generally pours the crushed coal gangue into one screen for screening, so that the coal gangue on the screen is accumulated too much and cannot be screened quickly and effectively, the screening efficiency and the screening effect on the coal gangue are seriously influenced, and the existing device only carries out single crushing on the coal gangue, so that a large number of coal gangue particles which do not meet the requirement of particle size exist after the coal gangue is produced, and the production efficiency is seriously influenced;

therefore, the coal gangue crushing and screening integrated treatment equipment is provided.

Disclosure of Invention

The invention aims to provide coal gangue crushing and screening integrated treatment equipment, which is used for solving the following problems:

the coal gangue screening device is provided with two screen frames, and the crushed coal gangue is approximately and equally divided into the two screen frames through the material dividing plate, so that the accumulation of the coal gangue in the screen frames is reduced, the screening efficiency is improved, and the problem that the coal gangue accumulation on a screen is too much and the coal gangue cannot be rapidly and effectively screened because the crushed coal gangue is generally centralized on one screen to be screened in the conventional screening mode is solved; the deflection of faster frequency is carried out through a connecting rod pulling reel to the crank in the support, and the gangue in the reel is repeatedly raised under the effect of screen cloth to can make screen cloth and gangue take place fiercely collision, the gangue can be avoided the gangue jam in the hole of screen cloth with the fierce collision of screen cloth, and can accelerate the screening efficiency of screen cloth to the gangue, solve the not good problem of screening effect of current device to the gangue.

The purpose of the invention can be realized by the following technical scheme:

a conveyor belt is installed at the top of the rack, a crushing assembly is installed at the top of the rack, a screening assembly is installed at one side of the rack, a motor II is installed at one side of the rack, a straight gear I and a rotary table are movably connected to the top of the rack through a bearing, the output end of the motor II is fixedly connected with the straight gear I, a rack I is fixedly connected to the outer side of the rotary table, and the straight gear I is meshed with the rack I;

screening subassembly includes arc, crank, support, bull stick one, frame, reel, connecting rod one, connecting rod two, deflector and slider, the both ends of carousel all are fixed with the crank through spot welding, a plurality of supports of top fixedly connected with of frame, and the outside of corresponding the support that sets up has bull stick one through bearing swing joint, one adjacent one side of bull stick is fixed with the frame through spot welding, the top fixedly connected with reel of bull stick one, the inside symmetry of reel is fixed with the arc, has the screen cloth through bolted connection between two arcs, a plurality of defeated material rails are installed at the top of frame.

Further, there are connecting rod one and connecting rod two at the both ends of frame through bearing swing joint respectively, connecting rod one passes through bearing swing joint with the crank, a plurality of deflectors of top fixedly connected with of frame, the spout has been seted up in the outside of deflector, and sliding connection has the slider in the spout, and is adjacent fixedly connected with quarter butt between the slider, bearing swing joint is passed through with the slider on the top of connecting rod two.

Further, the screening subassembly is including still including ventilation pipe, piston rod, shutoff ball, branch flitch, straight-teeth gear four, straight-teeth gear five, push away tooth pole one, push away tooth pole two, go out tuber pipe, shrouding and telescopic link, the ventilation pipe is installed at the top of frame, the inside sliding connection of ventilation pipe has the piston rod, air intake and air outlet have been seted up respectively at the both ends of ventilation pipe, the inside fixedly connected with baffle of ventilation pipe, and one side of baffle is connected with the shutoff ball through compression spring, the bottom and the slider fixed connection of piston rod, the reel cooperatees with the air outlet, the bottom of frame is provided with and connects the workbin, and connects the below that the workbin is located the reel, the branch flitch is installed at the top of frame, divide the flitch to be located the below of conveyer belt, divide the one end of flitch to be located the top of reel.

Further, there is a bull stick two one side of deflector through bearing swing joint, and the outside of bull stick two overlaps in proper order and is established and be fixed with straight-teeth gear four and straight-teeth gear five, one side of deflector is provided with and pushes away the bull stick one and pushes away the bull stick two, push away bull stick one and slider fixed connection, it is connected with straight-teeth gear four meshing to push away the bull stick one, straight-teeth gear five is connected with pushing away the meshing of bull stick two, push away two sliding connection of bull stick at the top of frame, the air outlet intercommunication of ventilation pipe has a tuber pipe, go out the tuber pipe with push away two fixed connection of bull stick, the feed opening has been seted up in the outside of tuber pipe, and feed opening department has the shrouding through torque spring connection, the telescopic link is installed at the top of frame, the output and the shrouding of telescopic link rotate to be connected.

Further, broken subassembly includes grinds case, pendulum, grinding roller, motor one and straight-teeth gear two, the grinding case is installed at the top of frame, there are pendulum and grinding roller in the inside of grinding case through bearing swing joint, motor one is installed in the outside of grinding case, the output of motor one run through the grinding case and with pendulum fixed connection, grinding roller one end and motor output all overlap and establish and be fixed with the runner, and be connected through the belt between two runners, two the one end of grinding roller all overlaps and is established and be fixed with straight-teeth gear two, two the meshing of straight-teeth gear two is connected.

Further, broken subassembly still includes slide rail, extrusion piece one, straight-teeth gear three, disc, actuating lever and drive groove, the inner wall symmetry of grinding the case is fixed with the slide rail, the inside of grinding the case is provided with a plurality of extrusion pieces one and extrusion piece two, the equal sliding connection in slide rail in both ends of extrusion piece one and extrusion piece two, the equal fixedly connected with rack two in top of extrusion piece one bottom and extrusion piece two, there is straight-teeth gear three the inside of grinding the case through bearing swing joint, straight-teeth gear three is connected with rack two meshing.

Further, the grinding roller is far away from the one end fixedly connected with disc of straight-teeth gear two, the outside fixedly connected with lug of disc, the outside fixedly connected with actuating lever of extrusion piece two, the drive groove has been seted up in the outside of actuating lever, the lug cooperatees with the drive groove.

Compared with the prior art, the invention has the beneficial effects that:

1. when the coal gangue screening device is used, the two screen frames are arranged, the crushed coal gangue is approximately and equally divided into the two screen frames through the material dividing plate, so that the accumulation of the coal gangue in the screen frames is reduced, the screening efficiency is improved, through the matching of the rotary table and the crank, the crank pulls the screen frames to deflect at a higher frequency in the bracket through the connecting rod I, meanwhile, the coal gangue in the screen frames is repeatedly lifted through the screen, when the coal gangue is lifted to be half empty, the screen frames firstly descend and then ascend, so that the screen and the coal gangue are violently collided, after the coal gangue violently collides with the screen, the coal gangue meeting the particle size requirement can quickly pass through the screen and be collected in a centralized manner, and the coal gangue can be prevented from being blocked in holes of the screen due to violent collision between the coal gangue and the screen, and the screening efficiency and effect of the screen on the coal gangue are obviously improved;

2. when the multi-stage crushing device is used, the pendulum bob firstly carries out primary crushing on coal gangue, then the two extrusion blocks I and the two extrusion blocks II are close to each other, so that the coal gangue is crushed again, and finally the coal gangue is crushed for the third time by the grinding roller;

3. when the coal gangue discharging device is used, the bottom of the air outlet pipe is provided with the feed opening, the feed opening is connected with the sealing plate through the torsion spring, the telescopic length of the telescopic rod is fixed, and the sealing plate can deflect under the pulling action of the telescopic rod after the telescopic rod extends to the maximum length until the feed opening is opened, so that coal gangue stored in the air outlet pipe can flow out through the feed opening conveniently, and the problem that when the air outlet pipe blows air, coal gangue particles enter the air outlet pipe to influence the air blowing effect of the air outlet pipe is solved;

4. when the coal gangue screening machine is used, the piston rod is driven to move in the ventilation pipe by the movement of the sliding block, the partition plate and the blocking ball are arranged in the ventilation pipe, so that the purposes of air suction of the ventilation pipe and air outlet of the air outlet pipe are achieved, the screen is cleaned by air sprayed from the air outlet pipe, coal gangue blocking holes of the screen is blown away, the holes are prevented from being blocked, the screening efficiency of the coal gangue is further influenced, the pushing tooth rod II drives the air outlet pipe to move in a reciprocating mode in the horizontal direction, and the air outlet pipe can clean all positions of the screen at any time.

Drawings

For the understanding of those skilled in the art, the present invention will be further described with reference to the accompanying drawings;

FIG. 1 is an internal cross-sectional view of an equipment cabinet of the present invention;

FIG. 2 is a side view of the overall structure of the present invention;

FIG. 3 is a schematic structural view of a first pushing rack bar and a second pushing rack bar of the present invention;

FIG. 4 is an enlarged view of the area A of the present invention;

FIG. 5 is an enlarged view of the area B of the present invention;

FIG. 6 is an enlarged view of the area C of the present invention;

fig. 7 is a schematic view of the driving rod structure of the present invention.

Reference numerals are as follows: 1. a frame; 2. a conveyor belt; 3. a crushing assembly; 301. grinding the materials in a grinding box; 302. a pendulum bob; 303. a grinding roller; 304. a drive slot; 305. a disc; 306. a slide rail; 307. extruding a first block; 308. a third straight gear; 309. a second extrusion block; 310. a drive rod; 4. a screen assembly; 400. an arc-shaped plate; 401. a crank; 402. a support; 403. a first rotating rod; 404. a frame; 405. a screen frame; 406. a first connecting rod; 407. a second connecting rod; 408. a guide plate; 409. a slider; 410. a ventilation pipe; 411. a piston rod; 412. plugging the ball; 413. a material distributing plate; 414. a fourth straight gear; 415. a fifth spur gear; 416. a first gear pushing rod; 417. a second gear pushing rod; 418. an air outlet pipe; 419. closing the plate; 420. a telescopic rod; 5. a second motor; 6. a first straight gear; 7. a turntable.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-7, the present invention provides a solution;

the first embodiment is as follows:

the current screening mode to the gangue is usually all to concentrate the gangue after the breakage to fall and sieve on a screen cloth, and then leads to the gangue on the screen cloth to pile up too much, can't be quick effectual sieves it, seriously influences the screening efficiency and the screening effect to the gangue, for solving this problem, concrete operation is as follows:

the coal gangue processed by the crushing component 3 is conveyed into a material separating plate 413 through a conveyor belt 2, the material separating plate 413 guides the coal gangue into sieve frames 405 on two sides, a motor II 5 drives a spur gear I6 to rotate, a rack I is fixedly connected to the outer side of a rotary table 7 and is meshed with the spur gear I6, the rotary table 7 is driven to rotate through the motor II 5, the rotary table 7 drives cranks 401 fixedly connected to two sides to rotate, the cranks 401 are movably connected with a connecting rod I406 through bearings, a plurality of supports 403 are fixedly connected to the top of the rack 1, a rotating rod I403 is movably connected to the outer side of the correspondingly arranged supports 402 through bearings, a frame 404 is fixed to one adjacent side of the rotating rod I through spot welding, the sieve frames 405 are fixedly connected to the top of the rotating rod I403, arc plates 400 are symmetrically fixed to the inner parts of the sieve frames 405, a large gap exists between each arc plate 400 and each sieve frame 405, the two arc plates 400 are provided with a screen mesh, the crushed coal gangue is poured on the screen, simultaneously under the action of a second motor 5, a first connecting rod 406 is driven by a crank 401 to deflect at one side of a bracket 402, and further a frame 404 and a screen frame 405 are driven to deflect angularly, because the rotating speed of a turntable 7 is higher, the crank 401 drives the screen frame 405 to deflect reciprocally at a higher frequency through the first connecting rod 406, meanwhile, the coal gangue in the screen frame 405 is repeatedly lifted through the screen, when the coal gangue is lifted to be half empty, the screen frame 405 firstly descends and then ascends, and further the screen and the coal gangue collide violently, after the coal gangue collides violently with the screen, the coal gangue meeting the particle size requirement passes through the screen and is collected intensively, the coal gangue not meeting the particle size requirement rolls repeatedly in the screen, an arc-shaped plate 400 is arranged in the screen frame 405, when the coal gangue not meeting the particle size rolls repeatedly in the screen and rolls to the arc-shaped plate 400, at the moment, the screen frame 405 is arranged obliquely, so that coal gangue which does not meet the requirement of the particle size rolls out of the arc surface arranged on the surface of the arc plate 400 and falls into a gap between the arc plate 400 and the screen frame 405, and is conveyed to a specified position through the material conveying rail to wait for being crushed again until the coal gangue meets the requirement of the particle size;

example two:

one end of the frame 404 is movably connected with a second connecting rod 407 through a bearing, the top of the frame 1 is provided with a guide plate 408, the guide plate 408 is connected with a sliding block 409 in a sliding manner, the second connecting rod 407 is movably connected with the sliding block 409 through a bearing, the outer side of the sliding block 409 is fixedly connected with a first piston rod 411 and a first push-tooth rod 416, when the screen frame 405 is subjected to rapid frequency reciprocating deflection, the second connecting rod 407 pushes the sliding block 409 to slide in the guide plate 408, and then the piston rod 411 of the push rod slides in the vent pipe 410, in the upward sliding process of the piston rod 411, the air in the vent pipe 410 is compressed and further pushes the blocking ball 412 to move, when the blocking ball 412 is gradually far away from the partition plate, the compressed air enters the air outlet pipe 418 through a gap between the blocking ball 412 and the partition plate, in the downward moving process of the piston rod 411, the air in the vent pipe 410 is compressed, at this time, the piston rod 411 moves downward under the driving of the sliding block 409, so that the blocking ball 412 on the other side in the vent pipe 410 moves, and further, the piston rod 411 can slide downward, and the partition plate 410 is connected with a reciprocating spring, and the partition plate 411 is connected with the air inlet and the reciprocating spring;

compressed air is conveyed into the air outlet pipe 418, in the moving process of the sliding block 409, the first gear pushing rod 416 simultaneously moves in the same direction along with the sliding block 409, the first gear pushing rod 416 moves to drive the fourth spur gear 414 and the fifth spur gear 415 to simultaneously rotate, the fifth spur gear 415 is meshed with the second gear pushing rod 417, the second gear pushing rod 417 is connected with the air outlet pipe 418, the first gear pushing rod 416 moves in the vertical direction, the second gear pushing rod 417 drives the air outlet pipe 418 to move in the horizontal direction, at the moment, the compressed air is continuously sprayed out through the air outlet pipe 418 and blows the screen, the air is sprayed out from the air outlet pipe 418 at a high speed, and then coal gangue blocked in holes of the screen is blown away, so that the problem that the screening efficiency is reduced due to the fact that the coal gangue blocks the holes of the screen is solved;

example three:

the method comprises the steps that crushed gangue is poured into a grinding box 301, a pendulum 302 rotates at a high speed, the gangue is flapped on the inner wall of the grinding box 301 to be primarily crushed, a motor I drives two grinding rollers 303 to rotate under the cooperation of a belt and a spur gear II, the other end of each grinding roller 303 is fixedly connected with a disc 305, the outer side of each disc 305 is fixedly connected with a lug, the outer side of each driving rod 310 is provided with a driving groove 304, the grinding rollers 303 drive the lug to rotate, the lug is connected in the driving groove 304 in a sliding mode, the driving rods 310 and two squeezing blocks 309 are fixedly connected through rotation of the lug, the driving rods 310 drive the squeezing blocks two 309 to horizontally reciprocate in the sliding rails 306, the tops of the squeezing blocks two 309 and the bottoms of the squeezing blocks one 307 are fixedly connected with a rack two, the rack two is connected with a spur gear III 308 in a meshing mode, under the cooperation of the lug, the driving rods 310 and the driving grooves 304, two squeezing blocks 309 and two squeezing blocks one 307 approach each other, the two squeezing blocks 309 and the two squeezing blocks 307 approach each other until the two squeezing blocks 307 and the two squeezing blocks are impacted, and the two squeezing blocks 307 and the secondary crushing blocks are collided with each other, and the pendulum 302, and the secondary crushing roller 302 are crushed gangue falls into a secondary crushing roller 301, and the gangue is crushed gangue, and crushed gangue falls into a secondary crushing roller, and the gangue is crushed gangue secondary crushing roller 302;

example four:

air outlet pipe 418 that screening subassembly 4 includes is blowing the in-process to the screen cloth, little part of gangue tiny particle can enter into air outlet pipe 418 in the screen cloth, for preventing the gangue from piling up too much in air outlet pipe 418 and influencing the air-out effect, the feed opening has been seted up in air outlet pipe 418's bottom, feed opening department is connected with shrouding 419 through torque spring, shrouding 419's the outside rotates with telescopic link 420 to be connected, when air outlet pipe 418 moves towards deflector 408's direction, because telescopic link 420's flexible length is limited, and then can stimulate shrouding 419 to deflect after telescopic link 420 extends to maximum length, until the feed opening is opened, the gangue that stores in air outlet pipe 418 inside at this moment flows through the feed opening, when waiting for next air outlet pipe 418 reverse movement, telescopic link 420 contracts, shrouding 419 recloses under torque spring's effect, and then reduce the influence of device gas leakage when blowing.

The working process and principle of the invention are as follows:

the method comprises the following steps that unbroken coal gangue broken stones are poured into a grinding box 301, a pendulum 302 rotates at a high speed, then the coal gangue is flapped on the inner wall of the grinding box 301, preliminary crushing of the coal gangue is achieved, meanwhile, a grinding roller 303 drives a lug to rotate, the rotation of the lug drives a driving rod 310 to horizontally reciprocate, the driving rod 310 drives a second extrusion block 309 to horizontally reciprocate in a sliding rail 306, the top of the second extrusion block 309 and the bottom of the first extrusion block 307 are fixedly connected with a second rack, the second rack is meshed with a third straight gear 308, when the two extrusion blocks 309 horizontally move, the first extrusion blocks 307 horizontally move under the action of the second rack and the third straight gear 308, in the process, the coal gangue preliminarily crushed by the pendulum 302 is secondarily crushed under the impact of the first extrusion block 307 and the second extrusion block 309, the coal gangue after secondary crushing falls into the grinding roller 303 to be crushed for the third time, and the purpose that the coal gangue is sufficiently crushed is achieved;

the coal gangue processed by the crushing component 3 is conveyed into two screen frames 405 through a conveyor belt 2, a turntable 7 drives cranks 401 fixedly connected with two sides to rotate, the cranks 401 drive a connecting rod 406 to deflect on one side of a support 402, and further drive a frame 404 and the screen frames 405 to perform angle reciprocating deflection, because the rotating speed of the turntable 7 is high, the cranks 401 drive the screen frames 405 to perform reciprocating deflection with high frequency through the connecting rod 406, and simultaneously the coal gangue in the screen frames 405 is repeatedly lifted through a screen, when the coal gangue is lifted to be half empty, the screen frames 405 firstly descend and then ascend, so that the screen and the coal gangue are violently collided, meanwhile, the coal gangue meeting the particle size requirement passes through the screen and is collected intensively, the coal gangue not meeting the particle size requirement rolls repeatedly in the screen, an arc-shaped plate 400 is arranged in the screen frames 405, when the coal gangue not meeting the particle size requirement rolls repeatedly in the screen and rolls to the arc-shaped plate 400, because the screen frames 405 is in an inclined state, the coal gangue not meeting the particle size requirement rolls out of the arc-shaped surface of the arc-shaped plate 400 and falls into gaps between the screen frames 405 and is conveyed to the designated positions until the screen frames 405 are conveyed again, and the designated positions are waited for transportation.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a coal gangue crushing and screening integrated treatment equipment, includes frame (1), its characterized in that, conveyer belt (2) are installed to the top of frame (1), broken subassembly (3) are installed to the top of frame (1), screening subassembly (4) are installed to one side of frame (1), motor two (5) are installed to one side of frame (1), there are straight-teeth gear (6) and carousel (7) at the top of frame (1) through bearing swing joint, the output and the straight-teeth gear (6) fixed connection of motor two (5), the outside fixed connection of carousel (7) has rack one, straight-teeth gear (6) are connected with rack one meshing;

the screening assembly (4) comprises arc-shaped plates (400), cranks (401), supports (402), a first rotating rod (403), a frame (404), a screen frame (405), a first connecting rod (406), a second connecting rod (407), a guide plate (408) and a sliding block (409), the cranks (401) are fixed at two ends of the turntable (7) through spot welding, the supports (402) are fixedly connected to the top of the frame (1), the rotating rods (403) are movably connected to the outer sides of the correspondingly arranged supports (402) through bearings, the frame (404) is fixed on one adjacent side of the first rotating rods (403) through spot welding, the screen frame (405) is fixedly connected to the top of the first rotating rods (403), the arc-shaped plates (400) are symmetrically fixed inside the screen frame (405), a screen mesh is connected between the two arc-shaped plates (400) through bolts, and a plurality of material conveying rails are installed at the top of the frame (1);

the utility model discloses a bearing swing joint, including frame (404), connecting rod (406) and connecting rod two (407) through bearing swing joint respectively at the both ends of frame (404), bearing swing joint is passed through with crank (401) in connecting rod one (406), a plurality of deflectors of top fixedly connected with (408) of frame (1), the spout has been seted up in the outside of deflector (408), and sliding connection has slider (409) in the spout, and is adjacent fixedly connected with quarter butt between slider (409), bearing swing joint is passed through with slider (409) on the top of connecting rod two (407).

2. The integrated processing equipment for crushing and screening coal gangue as claimed in claim 1, wherein the screening assembly (4) comprises a ventilating pipe (410), a piston rod (411), a blocking ball (412), a material distributing plate (413), a straight gear four (414), a straight gear five (415), a gear pushing rod one (416), a gear pushing rod two (417), an air outlet pipe (418), a sealing plate (419) and a telescopic rod (420), the ventilating pipe (410) is installed at the top of the frame (1), the piston rod (411) is connected to the inside of the ventilating pipe (410) in a sliding manner, an air inlet and an air outlet are respectively formed at two ends of the ventilating pipe (410), a partition plate is fixedly connected to the inside of the ventilating pipe (410), one side of the partition plate is connected with the blocking ball (412) through a compression spring, the bottom end of the piston rod (411) is fixedly connected with a sliding block (413), the screen frame (405) is matched with the air outlet, a material receiving box is arranged at the bottom of the frame (1) and is positioned below the screen frame (405), the material distributing plate (413) is installed at the top of the frame (1), and the conveyor belt (413) is positioned above one end of the screen frame (2).

3. The integrated processing equipment for crushing and screening coal gangue as claimed in claim 2, wherein one side of the guide plate (408) is movably connected with a second rotating rod through a bearing, a fourth spur gear (414) and a fifth spur gear (415) are sequentially sleeved and fixed on the outer side of the second rotating rod, one side of the guide plate (408) is provided with a first pushing tooth rod (416) and a second pushing tooth rod (417), the first pushing tooth rod (416) is fixedly connected with the sliding block (409), the first pushing tooth rod (416) is meshed and connected with the fourth spur gear (414), the fifth spur gear (415) is meshed and connected with the second pushing tooth rod (417), the second pushing tooth rod (417) is slidably connected to the top of the rack (1), an air outlet pipe (418) is communicated with the air outlet pipe (410), the second pushing tooth rod (417) is fixedly connected with the air outlet pipe (418), a blanking port is formed in the outer side of the air outlet pipe (418), a blanking port is connected with a sealing plate (419) through a torsion spring, a top of the rack (1) is provided with an output end of the telescopic rod (419).

4. The integrated processing equipment for crushing and screening coal gangue as defined in claim 1, wherein the crushing assembly (3) comprises a grinding box (301), a pendulum bob (302), a grinding roller (303), a first motor and a second spur gear, the grinding box (301) is mounted at the top of the frame (1), the inside of the grinding box (301) is movably connected with the pendulum bob (302) and the grinding roller (303) through bearings, the first motor is mounted at the outer side of the grinding box (301), the output end of the first motor penetrates through the grinding box (301) and is fixedly connected with the pendulum bob (302), one end of the grinding roller (303) and the output end of the first motor are respectively sleeved with and fixedly provided with a rotating wheel, the two rotating wheels are connected through a belt, one end of the grinding roller (303) is respectively sleeved with and fixedly provided with a second spur gear, and the two second spur gears are meshed and connected.

5. The coal gangue crushing and screening integrated treatment equipment according to claim 4, wherein the crushing assembly (3) further comprises a sliding rail (306), a first extrusion block (307), a third spur gear (308), a disc (305), a driving rod (310) and a driving groove (304), the sliding rail (306) is symmetrically fixed on the inner wall of the grinding box (301), a plurality of first extrusion blocks (307) and second extrusion blocks (309) are arranged inside the grinding box (301), two ends of the first extrusion blocks (307) and the second extrusion blocks (309) are slidably connected in the sliding rail (306), the bottom of the first extrusion blocks (307) and the top of the second extrusion blocks (309) are fixedly connected with a second rack, the inside of the grinding box (301) is movably connected with the third spur gear (308) through a bearing, and the third spur gear (308) is meshed with the second rack.

6. The coal gangue crushing and screening integrated processing device according to claim 5, wherein a disc (305) is fixedly connected to one end, away from the second spur gear, of the grinding roller (303), a protruding block is fixedly connected to the outer side of the disc (305), a driving rod (310) is fixedly connected to the outer side of the second extrusion block (309), a driving groove (304) is formed in the outer side of the driving rod (310), and the protruding block is matched with the driving groove (304).