CN214320848U

CN214320848U - Coal briquette screening equipment for coal mining

Info

Publication number: CN214320848U
Application number: CN202023189138.0U
Authority: CN
Inventors: 赵凯; 张嘉; 赵辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-10-01
Anticipated expiration: 2030-12-26

Abstract

The utility model discloses a coal mining adopts coal cinder screening installation relates to coal mining technical field, including screening case main part, the inside of screening case main part is provided with first sieve and second sieve, and the second sieve is located the top of first sieve, and the both sides of screening case main part are run through respectively and are offered the logical groove that corresponds with first sieve and second sieve, the one end of first sieve and second sieve and one side inner wall fixed connection of screening case main part. The utility model discloses a setting of first sieve, second sieve and two vibrators can carry out twice screening to the coal cinder, improves the screening effect, and the tail end of first sieve and second sieve all is provided with threaded rod, damping plate and commentaries on classics piece simultaneously, changes the piece through rotating, can make the damping plate grasp and collect the bag sack to realize autofilter automatic collection, be favorable to improving screening efficiency, reduce staff intensity of labour.

Description

Coal briquette screening equipment for coal mining

Technical Field

The utility model relates to a coal mining technical field, in particular to coal cinder screening installation for coal mining.

Background

Coal is the energy that people often used in life, and coal when mining, needs to filter the coal cinder of equidimension not to convenient follow-up processing, is usually gone on through the screen cloth when current coal cinder filters, and this kind of mode inefficiency and screening effect are poor, and can not once only collect the coal cinder after the screening, have wasted a large amount of manpower resources.

Therefore, it is necessary to provide a coal lump screening device for coal mining to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal mining adopts coal cinder screening installation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a coal briquette screening device for coal mining comprises a screening box main body, wherein a first screen plate and a second screen plate are arranged inside the screening box main body, the second screen plate is positioned at the top of the first screen plate, two sides of the screening box main body are respectively penetrated and provided with a through groove corresponding to the first screen plate and the second screen plate, one end of the first screen plate and one end of the second screen plate are fixedly connected with the inner wall of one side of the screening box main body, the other end of the first screen plate and the other end of the second screen plate are respectively penetrated and provided with the through grooves and extend to the outer side of the screening box main body, the middle parts of the bottom ends of the first screen plate and the second screen plate are respectively and fixedly provided with a vibrator, the middle part of the bottom end of the screening box main body is provided with a discharge port, the middle parts of the top ends of the first screen plate and the second screen plate are penetrated and provided with a plurality of screening holes distributed in a rectangular array manner, one side of the bottom end of the straight groove, which is positioned inside the screening box main body, is penetrated and provided with a plurality of screening holes distributed in a rectangular array, first sieve and second sieve are kept away from the inside one end both sides of screening case main part and all are run through and are seted up the draw-in groove, one side inner wall middle part of draw-in groove is run through and is seted up the thread groove, the thread groove is inside to be run through and is provided with the threaded rod, and thread groove and threaded rod threaded connection, the threaded rod is located the fixed damping plate that is provided with of the inside one end of draw-in groove, the other end of threaded rod is fixed and is provided with the commentaries on classics piece.

Preferably, the middle part of the inner wall of the other side of the clamping groove is embedded with a damping sheet, and the damping sheet is matched with the damping plate.

Preferably, the inner wall of the straight groove is fixedly provided with a slip increasing layer, and the screening holes penetrate through the slip increasing layer.

Preferably, first sieve all is the slope setting with the second sieve, and the incline direction of first sieve and second sieve is opposite.

Preferably, screening case main part bottom is provided with the backup pad, the bottom four corners department of screening case main part all fixedly is provided with the support column, and the bottom of support column and the top fixed connection of backup pad, the bottom mounting of backup pad is provided with a plurality of damping archs that are the rectangular array and distribute.

Preferably, the middle parts of two sides of the top end of the supporting plate are fixedly provided with fixing blocks, and the two fixing blocks are respectively positioned at the bottoms of the tail ends of the first sieve plate and the second sieve plate.

Preferably, the standing groove has been seted up at the top middle part of fixed block, the fixed pan feeding mouth that runs through in top one side of screening case main part is provided with, and the pan feeding mouth is located the head end top of second sieve.

The utility model discloses a technological effect and advantage:

1. the utility model discloses through the setting of first sieve, second sieve and two vibrators, can carry out twice screening to the coal cinder, improve the screening effect, the tail end of first sieve and second sieve all is provided with threaded rod, damping plate and commentaries on classics piece simultaneously, through rotating the commentaries on classics piece, can make the damping plate grasp the collection bag sack to realize the automatic screening automatic collection, be favorable to improving screening efficiency, reduce staff intensity of labour;

2. the friction force can be reduced through the arrangement of the slip increasing layer, so that the coal blocks can conveniently slide downwards, and the first sieve plate or the second sieve plate can be prevented from being worn by the coal blocks;

3. the utility model discloses a setting of fixed block and standing groove is favorable to conveniently placing the collection bag.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the sieve plate structure of the present invention.

Fig. 3 is an enlarged schematic view of a structure in fig. 2 according to the present invention.

In the figure: 1. a screening box main body; 2. a through groove; 3. a first screen deck; 4. a second screen deck; 5. a vibrator; 6. a fixed block; 7. a placement groove; 8. a discharge port; 9. a straight groove; 10. a screening well; 11. a card slot; 12. A thread groove; 13. a threaded rod; 14. a damping plate; 15. rotating the block; 16. a damping fin; 17. a slip layer; 18. a feeding port; 19. a support pillar; 20. a support plate; 21. a damping projection.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a coal briquette screening device for coal mining, as shown in figures 1-3, which comprises a screening box main body 1, wherein a first screen plate 3 and a second screen plate 4 are arranged inside the screening box main body 1, the second screen plate 4 is positioned at the top of the first screen plate 3, the first screen plate 3 and the second screen plate 4 are both arranged in an inclined way, the inclined directions of the first screen plate 3 and the second screen plate 4 are opposite, two sides of the screening box main body 1 are respectively provided with a through groove 2 corresponding to the first screen plate 3 and the second screen plate 4 in a penetrating way, one end of the first screen plate 3 and one end of the second screen plate 4 are fixedly connected with the inner wall of one side of the screening box main body 1, the other end of the first screen plate 3 and the other end of the second screen plate 4 respectively penetrate through the through groove 2 and extend to the outer side of the screening box main body 1, the middle parts of the bottom ends of the first screen plate 3 and the second screen plate 4 are both fixedly provided with a vibrator 5, the bottom middle part of the screening box body 1 is provided with a discharge port 8, the top middle parts of the first sieve plate 3 and the second sieve plate 4 are both provided with a straight groove 9 in a penetrating way, one side of the bottom of the straight groove 9, which is positioned in the screening box body 1, is provided with a plurality of screening holes 10 distributed in a rectangular array in a penetrating way, both sides of one end of the first sieve plate 3 and the second sieve plate 4, which are far away from the inside of the screening box body 1, are both provided with clamping grooves 11 in a penetrating way, the middle part of the inner wall of one side of the clamping grooves 11 is provided with threaded grooves 12 in a penetrating way, threaded rods 13 are arranged in the threaded grooves 12 in a penetrating way and are in threaded connection with the threaded rods 13, one end of the threaded rods 13, which is positioned in the clamping grooves 11, is fixedly provided with a damping plate 14, the other end of the threaded rods 13 is fixedly provided with a rotating block 15, and the coal blocks can be screened twice through the arrangement of the first sieve plate 3, the second sieve plate 4 and the two vibrators 5, improve the screening effect, the tail end of first sieve 3 and second sieve 4 all is provided with threaded rod 13, damping plate 14 and commentaries on classics piece 15 simultaneously, changes piece 15 through rotating, can make 14 grips of damping plate collect the bag sack to realize autofilter automatic collection, be favorable to improving screening efficiency, reduce staff intensity of labour.

Further, inlay in the middle part of the opposite side inner wall of draw-in groove 11 and be provided with damping fin 16, and damping

fin

16 and 14 looks adaptations of damping plate, through the setting of damping fin 16, can increase frictional force, be favorable to improving the fixed stability of sack, prevent that the sack from droing, the top both sides middle part of backup pad 20 is all fixed and is provided with fixed block 6, and two fixed blocks 6 are located the tail end bottom of first sieve 3 and second sieve 4 respectively, standing groove 7 has been seted up at the top middle part of fixed block 6, through the setting of fixed block 6 and standing groove 7, is favorable to conveniently placing the collection bag, the fixed pan feeding mouth 18 that runs through in top one side of screening case main part 1, and pan feeding mouth 18 is located the head end top of second sieve 4.

Secondly, the fixed sliding layer 17 that increases that is provided with of straight flute 9 inner wall, and a plurality of screening hole 10 all runs through and increases sliding layer 17, increases sliding layer 17 and makes for polytetrafluoroethylene, and polytetrafluoroethylene has minimum coefficient of friction, through the setting that increases sliding layer 17, can reduce frictional force, is favorable to making things convenient for the coal cinder to slide downwards, prevents first sieve 3 of coal cinder wearing and tearing or second sieve 4 simultaneously, screening case main part 1 bottom is provided with backup pad 20, the bottom four corners department of screening case main part 1 all fixes and is provided with support column 19, and the bottom of support column 19 and the top fixed connection of backup pad 20, the bottom mounting of backup pad 20 is provided with a plurality of protruding 21 of damping that are the rectangle array and distribute, through the setting of a plurality of protruding 21 of damping, can increase frictional force, is favorable to improving the stability of screening case main part 1.

The prior art construction of the vibrator 5 and the connection method therebetween are not further described in this application.

The utility model discloses the theory of operation:

when the coal screening box is used, the bag openings of two collecting bags are respectively inserted into two clamping grooves 11 formed in the tail ends of a first sieve plate 3 and a second sieve plate 4, the middle parts of the tail ends of the first sieve plate 3 and the second sieve plate 4 are inserted into the bags, the bag bottoms are placed into corresponding placing grooves 7, the threaded rods 13 are driven to rotate by rotating the rotating blocks 15, the threaded rods 13 are driven to move towards the insides of the clamping grooves 11 until the bag openings are clamped by the damping plates 14 and the damping sheets 16, then the two vibrators 5 are opened, the two vibrators 5 respectively drive the first sieve plate 3 and the second sieve plate 4 to vibrate, then coal blocks are poured into the screening box main body 1 from the feeding openings 18, the coal blocks firstly fall into the head end of the second sieve plate 4, after being screened by the second sieve plate 4, the coal blocks of larger blocks fall into the collecting bags through the tail end of the second sieve plate 4, and then the coal blocks screened by the second sieve plate 4 fall onto the first sieve plate 3, screening by first sieve 3, the bold coal cinder after the screening falls into the collection bag of 3 tail ends of first sieve through first sieve 3, and remaining cinder gets into 1 bottom of screening case main part, falls out through discharge gate 8 and collects.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a coal cinder screening installation for coal mining which characterized in that: comprises a screening box main body (1), wherein a first sieve plate (3) and a second sieve plate (4) are arranged in the screening box main body (1), the second sieve plate (4) is positioned at the top of the first sieve plate (3), through grooves (2) corresponding to the first sieve plate (3) and the second sieve plate (4) are respectively formed in two sides of the screening box main body (1) in a penetrating manner, one ends of the first sieve plate (3) and the second sieve plate (4) are fixedly connected with the inner wall of one side of the screening box main body (1), the other ends of the first sieve plate (3) and the second sieve plate (4) respectively penetrate through the through grooves (2) and extend to the outer side of the screening box main body (1), vibrators (5) are fixedly arranged in the middle of the bottom ends of the first sieve plate (3) and the second sieve plate (4), a discharge hole (8) is formed in the middle of the bottom end of the screening box main body (1), and straight grooves (9) are respectively formed in the middle of the top ends of the first sieve plate (3) and the second sieve plate (4), the tank bottom of straight flute (9) is located the inside one side of screening case main part (1) and runs through and sets up a plurality of screening holes (10) that are the rectangular array and distribute, first sieve (3) and second sieve (4) are kept away from the inside one end both sides of screening case main part (1) and are all run through and have seted up draw-in groove (11), one side inner wall middle part of draw-in groove (11) runs through and has seted up thread groove (12), thread groove (12) inside runs through and is provided with threaded rod (13), and thread groove (12) and threaded rod (13) threaded connection, threaded rod (13) are located the fixed damping plate (14) that is provided with of the inside one end of draw-in groove (11), the other end of threaded rod (13) is fixed and is provided with commentaries on classics piece (15).

2. The coal mining briquette screening equipment as claimed in claim 1, wherein: the middle of the inner wall of the other side of the clamping groove (11) is embedded with a damping fin (16), and the damping fin (16) is matched with the damping plate (14).

3. The coal mining briquette screening equipment as claimed in claim 2, wherein: the inner wall of the straight groove (9) is fixedly provided with a slip increasing layer (17), and the screening holes (10) penetrate through the slip increasing layer (17).

4. The coal mining briquette screening equipment as claimed in claim 3, wherein: first sieve (3) all are the slope setting with second sieve (4), and the incline direction of first sieve (3) and second sieve (4) is opposite.

5. The coal mining briquette screening equipment as claimed in claim 4, wherein: screening case main part (1) bottom is provided with backup pad (20), the bottom four corners department of screening case main part (1) all fixes and is provided with support column (19), and the bottom of support column (19) and the top fixed connection of backup pad (20), the bottom mounting of backup pad (20) is provided with a plurality of damping arch (21) that are the rectangular array and distribute.

6. The coal mining briquette screening equipment as claimed in claim 5, wherein: the middle parts of two sides of the top end of the supporting plate (20) are fixedly provided with fixing blocks (6), and the two fixing blocks (6) are respectively positioned at the bottoms of the tail ends of the first sieve plate (3) and the second sieve plate (4).

7. The coal mining briquette screening equipment as claimed in claim 6, wherein: a placing groove (7) is formed in the middle of the top end of the fixing block (6), a feeding port (18) is fixedly arranged on one side of the top end of the screening box main body (1) in a penetrating mode, and the feeding port (18) is located at the top of the head end of the second sieve plate (4).