CN210906523U - Raw coal crushing and screening device - Google Patents

Abstract

The utility model discloses a raw coal crushing and screening device, including protective housing, protective housing's top fixedly connected with breaker, the top fixedly connected with feeding box of breaker, one side fixedly connected with limiting plate of protective housing, the upper surface of limiting plate is provided with the shale shaker, one side of shale shaker is provided with the material transportation belt, protective housing's inner wall fixedly connected with motor fixed plate. This broken screening plant of raw coal, through the cooperation setting between feeding box, breaker, impurity transportation belt, material transportation belt, cylindric screen cloth, disk roller and the product transportation belt, whole process is accomplished in protecting sheathing's inside, can greatly reduce scattering of dust, effectively guarantees that staff's is healthy to but the device automatic screening not only saves the manual work, and screening efficiency is higher, and the screening is more thorough moreover, equally divides the class to collect, going on of the follow-up work of being convenient for.

Description

Raw coal crushing and screening device

Technical Field

The utility model relates to a broken screening technical field of raw coal specifically is a broken screening plant of raw coal.

Background

In order to obtain a coal sample with a required specification, raw coal is often required to be crushed and ground, then impurity removal and screening are carried out, when the raw coal is crushed, a crusher is firstly adopted for crushing, and then the crushed raw coal is conveyed to a screening device through a conveyor belt for screening.

But current device can produce a large amount of dusts when the screening, is unfavorable for going on of work, influences the healthy of staff to screening effect is not good, and the screening is not thorough, thereby influences the quality of coal sample.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a broken screening plant of raw coal has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a broken screening plant of raw coal, includes protective housing, protective housing's top fixedly connected with breaker, the top fixedly connected with feed box of breaker, one side fixedly connected with limiting plate of protective housing, the upper surface of limiting plate is provided with the vibration sieve, one side of vibration sieve is provided with the material transportation belt, protective housing's inner wall fixedly connected with motor fixed plate, the lower fixed surface of motor fixed plate is connected with the control motor, the output fixedly connected with driving disc of control motor, the surface swing joint of driving disc has the rolling disc, it has the cylindric screen cloth to peg graft in one side of rolling disc.

Optionally, the back of the oscillating screen is fixedly connected with a vibrating motor, and the diameter of the screen hole of the oscillating screen is twenty-five millimeters.

Optionally, one side of the cylindrical screen is movably connected with a fixing block, one side of the fixing block is provided with a mounting groove, the inner wall of the mounting groove is fixedly connected with a supporting shaft, the outer surface of the supporting shaft is movably connected with a disc roller, the outer surface of the supporting shaft is fixedly connected with a flange, and the outer surface of the fixing block is fixedly connected with a reinforcing rod.

Optionally, the inner wall fixedly connected with drive motor of protective housing, drive motor's one end fixedly connected with product transportation belt, the fixed orifices has been seted up to one side of protective housing, the inside of fixed orifices is provided with impurity transportation belt.

Optionally, one side of the protective housing is fixedly connected with a first supporting plate, a first placing groove is formed in the top of the first supporting plate, and the first placing groove is movably connected with an impurity containing box.

Optionally, one side fixedly connected with second backup pad that first backup pad was kept away from to protective housing, the second standing groove has been seted up at the top of second backup pad, the inside swing joint of second standing groove has the waste rock containing box.

(III) advantageous effects

The utility model provides a raw coal crushing and screening device possesses following beneficial effect:

the raw coal crushing and screening device is arranged by matching between a feed box, a crusher, an impurity conveying belt, a material conveying belt, a cylindrical screen, a disc roller and a product conveying belt, when the device is used, a worker only needs to directly add raw coal into the feed box, then the raw coal is crushed by the crusher, the size is reduced, impurities such as slack coal, silt and the like can be filtered out by oscillation of an oscillating screen, the impurities are conveyed to an impurity containing box by the impurity conveying belt, the filtered raw coal is conveyed to the cylindrical screen by the material conveying belt, the cylindrical screen can be driven to rotate by rotation of a control motor through the arrangement of the control motor, a transmission disc and a rotating disc, so that coal samples meeting requirements are filtered out more thoroughly and are conveyed out by the product conveying belt to be collected, and gangue which is not sieved out by the cylindrical screen directly falls into a gangue containing box, whole process is accomplished in protecting sheathing's inside, can greatly reduce scattering of dust, effectively guarantees that staff's is healthy to the device can sieve automatically, not only saves the manual work, and screening efficiency is higher, sieves more thoroughly moreover, equally divides the class and collects, the going on of the follow-up work of being convenient for.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the axial measuring structure of the cylindrical screen of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the cylindrical screen of the present invention.

In the figure: 1. a protective housing; 2. a crusher; 3. a feeding box; 4. vibrating a screen; 5. a material transport belt; 6. a motor fixing plate; 7. controlling the motor; 8. a drive plate; 9. rotating the disc; 10. a cylindrical screen; 11. a fixed block; 12. mounting grooves; 13. a support shaft; 14. a disc roller; 15. a flange; 16. a drive motor; 17. a product transport belt; 18. a fixing hole; 19. an impurity transport belt; 20. a first support plate; 21. a first placing groove; 22. an impurity storage box; 23. a second support plate; 24. a second placing groove; 25. a waste rock storage box; 26. and a limiting plate.

Detailed Description

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

Referring to fig. 1 to 4, the present invention provides a technical solution: a raw coal crushing and screening device comprises a protective shell 1, wherein a transmission motor 16 is fixedly connected to the inner wall of the protective shell 1, a product conveying belt 17 is fixedly connected to one end of the transmission motor 16, a fixing hole 18 is formed in one side of the protective shell 1, an impurity conveying belt 19 is arranged inside the fixing hole 18, a crusher 2 is fixedly connected to the top of the protective shell 1, a material feeding box 3 is fixedly connected to the top of the crusher 2, a limiting plate 26 is fixedly connected to one side of the protective shell 1, a vibrating screen 4 is arranged on the upper surface of the limiting plate 26, a vibrating motor is fixedly connected to the back of the vibrating screen 4, the diameter of a screen hole of the vibrating screen 4 is twenty-five millimeters, a material conveying belt 5 is arranged on one side of the vibrating screen 4, a motor fixing plate 6 is fixedly connected to the inner wall of the protective shell 1, a control motor 7 is fixedly connected to the lower surface, the outer surface of the transmission disc 8 is movably connected with a rotating disc 9, one side of the rotating disc 9 is inserted with a cylindrical screen 10, the mesh aperture of the cylindrical screen 10 is fifty millimeters, one side of the cylindrical screen 10 is movably connected with a fixed block 11, one side of the fixed block 11 is provided with a mounting groove 12, the inner wall of the mounting groove 12 is fixedly connected with a support shaft 13, the outer surface of the support shaft 13 is movably connected with a disc roller 14, the outer surface of the support shaft 13 is fixedly connected with a flange 15, the cylindrical screen 10 rotates under the driving of a control motor 7, lump coal and gangue entering the cylindrical screen 10 slide to the lower end from high slide under the action of self weight and the rotation of the cylindrical screen 10, because the disc rollers 14 are not an integral roller, each disc roller 14 is independent, each disc roller 14 can roll materials passing through the lower part of the disc roller, because the hardness of the coal and, therefore, the disc roller 14 can only crush coal, waste rock can not be crushed, fifty millimeters rolled lump coal and slack coal are sieved out through the cylindrical screen 10, namely the required product, the waste rock is discharged through the other end of the cylindrical screen 10 and is sent to the waste rock containing box 25 for collection, the outer surface of the fixed block 11 is fixedly connected with a reinforcing rod, one side of the protective shell 1 is fixedly connected with a first supporting plate 20, the top of the first supporting plate 20 is provided with a first placing groove 21, the inside of the first placing groove 21 is movably connected with an impurity containing box 22, one side of the protective shell 1 far away from the first supporting plate 20 is fixedly connected with a second supporting plate 23, the top of the second supporting plate 23 is provided with a second placing groove 24, the inside of the second placing groove 24 is movably connected with the waste rock containing box 25, and the coal is conveyed through the feeding box 3, the crusher 2, the impurity conveying belt 19, the material conveying belt 5, The cooperation setting between cylindric screen cloth 10, disk roller 14 and the product transportation belt 17, when using the device, the staff only need directly add raw coal into feed box 3, then raw coal passes through the breakage of breaker 2, the volume diminishes, in the oscillation of process shale shaker 4, can filter out impurity such as slack coal and silt, transport through impurity transportation belt 19, will mix to transporting to impurity containing box 22 in, raw coal after the filtration transports to cylindric screen cloth 10 in through material transportation belt 5, through the setting of control motor 7, driving disc 8 and rolling disc 9, the rotation of control motor 7 can drive cylindric screen cloth 10 and rotate, thereby will accord with the more thorough filtration of required coal sample, transport out through product transportation belt 17 and collect, the waste rock that is not sieved by cylindric screen cloth 10 directly falls into waste rock containing box 25, the whole process is accomplished in the inside of protective housing 1, can greatly reduce the scattered four of dust, effectively guarantee that staff's is healthy to the device can sieve automatically, not only saves the manual work, and screening efficiency is higher, sieves more thoroughly moreover, equally divides the class and collects, the going on of the follow-up work of being convenient for.

As an optimal technical solution of the utility model: the material conveying belt 5 and the impurity conveying belt 19 are both powered by motors.

In conclusion, when the raw coal crushing and screening device is used, through the matching arrangement among the material inlet box 3, the crusher 2, the impurity conveying belt 19, the material conveying belt 5, the cylindrical screen 10, the disc type roller 14 and the product conveying belt 17, when the device is used, a worker only needs to directly add raw coal into the material inlet box 3, then the raw coal is crushed by the crusher 2, the size is reduced, impurities such as slack coal, silt and the like can be filtered out through the oscillation of the oscillating screen 4, the impurities are conveyed to the impurity containing box 22 through the impurity conveying belt 19, the filtered raw coal is conveyed to the cylindrical screen 10 through the material conveying belt 5, through the arrangement of the control motor 7, the transmission disc 8 and the rotating disc 9, the rotation of the control motor 7 can drive the cylindrical screen 10 to rotate, so that coal samples meeting requirements are filtered out more thoroughly, transport out through product transportation belt 17 and collect, the waste rock that is not sieved out by cylindric screen cloth 10 directly falls into waste rock containing box 25, and whole process is accomplished in the inside of protecting sheathing 1, can greatly reduce scattering of dust, effectively guarantees that the staff's is healthy to but the device automatic screening not only saves the manual work, and screening efficiency is higher, sieves more thoroughly moreover, equally divides the class and collects, the going on of the follow-up work of being convenient for.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a broken screening plant of raw coal, includes protective housing (1), its characterized in that: the utility model discloses a screening machine, including protective housing (1), top fixedly connected with breaker (2), the top fixedly connected with feeding box (3) of breaker (2), one side fixedly connected with limiting plate (26) of protective housing (1), the upper surface of limiting plate (26) is provided with shale shaker (4), one side of shale shaker (4) is provided with material transportation belt (5), the inner wall fixedly connected with motor fixed plate (6) of protective housing (1), the lower fixed surface of motor fixed plate (6) is connected with control motor (7), the output fixedly connected with driving disc (8) of control motor (7), the surface swing joint of driving disc (8) has rolling disc (9), it has cylindric screen cloth (10) to peg graft in one side of rolling disc (9).

2. The raw coal crushing and screening device of claim 1, wherein: the back of the oscillating screen (4) is fixedly connected with a vibrating motor, and the diameter of a screen hole of the oscillating screen (4) is twenty-five millimeters.

3. The raw coal crushing and screening device of claim 1, wherein: one side swing joint of cylindric screen cloth (10) has fixed block (11), mounting groove (12) have been seted up to one side of fixed block (11), the inner wall fixedly connected with back shaft (13) of mounting groove (12), the surface swing joint of back shaft (13) has disk roller (14), the fixed surface of back shaft (13) is connected with flange (15), the fixed surface of fixed block (11) is connected with the stiffener.

4. The raw coal crushing and screening device of claim 1, wherein: inner wall fixedly connected with drive motor (16) of protecting sheathing (1), the one end fixedly connected with product transportation belt (17) of drive motor (16), fixed orifices (18) have been seted up to one side of protecting sheathing (1), the inside of fixed orifices (18) is provided with impurity transportation belt (19).

5. The raw coal crushing and screening device of claim 1, wherein: one side fixedly connected with first backup pad (20) of protecting sheathing (1), first standing groove (21) have been seted up at the top of first backup pad (20), the inside swing joint of first standing groove (21) has impurity containing box (22).

6. The raw coal crushing and screening device of claim 5, wherein: one side fixedly connected with second backup pad (23) of first backup pad (20) are kept away from in protecting sheathing (1), second standing groove (24) have been seted up at the top of second backup pad (23), the inside swing joint of second standing groove (24) has waste rock containing box (25).

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