CN214440693U

CN214440693U - Coal screening equipment of hierarchical screening

Info

Publication number: CN214440693U
Application number: CN202022332975.8U
Authority: CN
Inventors: 杨钊; 李安宁; 关瑞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-10-22
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a coal screening device for grading screening, which belongs to the technical field of coal screening devices and comprises a box body, wherein the top of the box body is provided with a feed hopper, the left and right ends of an inner cavity at the bottom of the box body are provided with support columns, the top of each support column is connected with a connecting ring, the top of each connecting ring is fixedly connected with a grading screening device, the grading screening device comprises an outer sleeve, the inner cavity of the outer sleeve is connected with a middle inner sleeve and an inner sleeve through threads, fixed rods are arranged on the left and right side walls of the outer sleeve, the fixed rods transversely penetrate through the box body, the joints of the fixed rods and the box body are provided with threaded holes, the bottom of the connecting ring is movably connected with an outer collecting box matched with the outer sleeve, an inner collecting box is arranged in the bottom of the middle inner sleeve, the bottom of the inner sleeve is movably connected with an inner collecting box, the grading screening device can realize the grading screening of coals with different diameters, simple structure convenient operation, and excellent in use effect.

Description

Coal screening equipment of hierarchical screening

Technical Field

The utility model relates to a coal screening installation technical field specifically is a coal screening installation of classifying screen.

Background

Coal need carry out the classification after the exploitation is accomplished, and the coal of equidimension not is applicable to different fields, and current coal classified screening equipment all adopts the vibration screening usually, and the convenience of screening like this adopts the motor, and the screening effect is poor, can not reach the classified screening effect of ideal, and the practicality is not good, for this reason, we provide a coal screening equipment of classified screening.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal screening installation of classifying screen to solve the problem that present screening installation that proposes in the above-mentioned background art can not reach the classifying screen effect of ideal.

In order to achieve the above object, the utility model provides a following technical scheme: a coal screening device for grading screening comprises a box body, wherein a feed hopper is arranged at the top of the box body, support columns are arranged at the left end and the right end of an inner cavity of the bottom of the box body, a connecting ring is connected to the top of each support column, a grading screening device is fixedly connected to the top of the connecting ring, each grading screening device comprises an outer sleeve, an inner cavity of the outer sleeve is connected with a middle inner sleeve and an inner sleeve through threads, a first filter screen is arranged between the outer sleeve and the middle inner sleeve, a second filter screen is arranged between the middle inner sleeve and the inner sleeve, a third filter screen is arranged in the inner cavity of the inner sleeve, fixing rods are arranged on the left side wall and the right side wall of the outer sleeve and transversely penetrate through the box body, a threaded hole is formed in the joint of each fixing rod and the box body, an outer collecting box matched with the outer sleeve is movably connected to the bottom of the connecting ring, an inner collecting box is arranged at the bottom of the middle inner sleeve, the bottom end of the inner sleeve is movably connected with an inner collecting box.

Preferably, one side of the fixed rod close to the outer sleeve is fixedly connected with a left fixed ring and a right fixed ring, and the left fixed ring and the right fixed ring are both attached to the outer side wall of the outer sleeve.

Preferably, the upper and lower both ends of the solid fixed ring in a left side all are equipped with left fixed block, the upper and lower both ends of the solid fixed ring in the right side be equipped with left fixed block assorted right fixed block, and left fixed block and right fixed block inner chamber all are equipped with the screw hole, screw hole and adjusting bolt phase-match.

Preferably, the both ends that the box inner chamber top is close to the feeder hopper all are equipped with the swash plate of size unanimity, the width of swash plate is the same with the outer sleeve, and the smoothness of swash plate is unanimous.

Preferably, the inner cavity of the bottom of the box body is provided with a sliding chute, the sliding chute is connected with the bottom of the outer collecting box, the inner collecting box and the built-in inner collecting box in a sliding mode, and handles are arranged on the outer side faces of the outer collecting box, the inner collecting box and the built-in inner collecting box.

Preferably, the inner cavities of the left fixing ring and the right fixing ring are both provided with clamping layers, and the outer side surfaces of the clamping layers are provided with rough anti-skidding surfaces and are tightly attached to the outer side wall of the outer sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an inner skleeve, outer sleeve and the central inner skleeve of different diameters size carry out stage treatment to the coal that the feeder hopper was poured into, and the coal of different diameters size is collected in the collecting box of difference, and is being connected stably to the screening device of grading, and the screening device of grading can be changed telescopic how much and diameter according to the needs of difference, has replaced traditional vibration screening, has practiced thrift the energy, simple structure and convenient to use, excellent in use effect.

Drawings

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

FIG. 2 is a schematic view of the connection between the side walls of the outer sleeve of the present invention;

fig. 3 is a top view of the classifying and screening device of the present invention.

In the figure: 1. a feed hopper; 2. a sloping plate; 3. an outer sleeve; 4. an inner sleeve; 5. fixing the rod; 6. a left retaining ring; 7. a support pillar; 8. an outer collection box; 9. a box body; 10. an inner sleeve is arranged in the middle; 11. a threaded hole; 12. a connecting ring; 13. an inner collection box; 14. a collection box is arranged in the middle; 15. a handle; 16. a chute; 17. a right securing ring; 18. a left fixed block; 19. a clamping layer; 20. a right fixed block; 21. adjusting the bolt; 22. a first filter screen; 23. a second filter screen; 24. and a third filter screen.

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.

Example 1:

referring to fig. 1-3, the present invention provides a technical solution:

referring to fig. 1 and 3, a coal screening apparatus for classification comprises a box 9, a feed hopper 1 is disposed on the top of the box 9, support pillars 7 are disposed at the left and right ends of an inner cavity at the bottom of the box, a connection ring 12 is connected to the tops of the support pillars 7, a classification screening device is fixedly connected to the tops of the connection ring 12, the classification screening device comprises an outer sleeve 3, an inner cavity of the outer sleeve 3 is connected to a middle inner sleeve 10 and an inner sleeve 4 through threads, a first filter screen 22 is disposed between the outer sleeve 3 and the middle inner sleeve 10, a second filter screen 23 is disposed between the middle inner sleeve 10 and the inner sleeve 4, a third filter screen 24 is disposed in the inner cavity of the inner sleeve 4, fixing rods 5 are disposed on the left and right side walls of the outer sleeve 3, the fixing rods 5 transversely penetrate through the box 9, threaded holes 11 are disposed at the connection positions of the fixing rods 5 and the box 9, coal is poured into the feed hopper 1, and the filtering holes of the first filter screen 22 are larger than the filtering holes of the second filter screen 23, the filtration pore of second filter screen 23 is greater than the filtration pore of third filter screen 24, and outer sleeve 3, the height of in-built inner skleeve 10 and inner skleeve 4 is the inclined plane design by height to low, coal down falls from the first filter screen 22 of outer sleeve 3 next door, the small opening of second filter screen 23 is followed down again, last from the small opening of third filter screen 24 down falls, down fall through the small opening of equidimension not, carry out hierarchical screening, the lateral wall stable connection of outer sleeve 3 through dead lever 5, and the effectual of connection, convenient to use just can carry out hierarchical screening, excellent in use effect.

Referring to fig. 1, the bottom of the connecting ring 12 is movably connected with an outer collecting box 8 matched with the outer sleeve 3, the bottom of the middle inner sleeve 10 is provided with a middle inner collecting box 14, the bottom of the inner sleeve 4 is movably connected with an inner collecting box 13, and after the sleeves complete the classification screening of coal, the coal is collected in the collecting box corresponding to the sleeves, so that the subsequent taking out and recycling are facilitated.

Referring to fig. 1, one side of the fixing rod 5 close to the outer sleeve 3 is fixedly connected with a left fixing ring 6 and a right fixing ring 17, the left fixing ring 6 and the right fixing ring 17 are both attached to the outer side wall of the outer sleeve 3, the outer sleeve 3 is clamped by the arc-shaped fixing rings at both sides, the fixing rings at both sides can be combined into a circular ring matched with the outer sleeve 3, and the stability of connection of the outer sleeve 3 can be ensured.

Referring to fig. 2, the upper end and the lower end of the left fixing ring 6 are both provided with a left fixing block 18, the upper end and the lower end of the right fixing ring 17 are both provided with a right fixing block 20 matched with the left fixing block 18, inner cavities of the left fixing block 18 and the right fixing block 20 are both provided with threaded holes matched with an adjusting bolt 21, after the outer sleeve 3 is clamped by the left fixing ring 6 and the right fixing ring 17, the two rings are fixedly connected together through the adjusting bolt 21, the connection is stable, and the operation is simple.

Example 2:

as shown in fig. 1, different from embodiment 1, the both ends that the inner chamber top of box 9 is close to feeder hopper 1 all are equipped with the swash plate 2 that the size is unanimous, and the width of swash plate 2 is the same with outer sleeve 3, and the smoothness of swash plate 2 is unanimous, and the setting of swash plate 2 is convenient for carry on spacingly with the coal of feeder hopper 1 department, guarantees that coal can both pass through the not sleeve inner chamber of equidimension, has played fine limiting displacement.

Referring to fig. 1, a chute 16 is disposed in the bottom inner cavity of the box 9, the chute 16 is slidably connected to the bottoms of the outer collection box 8, the inner collection box 13 and the built-in inner collection box 14, and handles 15 are disposed on the outer side surfaces of the outer collection box 8, the inner collection box 13 and the built-in inner collection box 14, and the handles 15 and the chute 16 are disposed to facilitate taking out and putting back of the collection boxes.

Referring to fig. 2, the clamping layers 19 are disposed in the inner cavities of the left fixing ring 6 and the right fixing ring 17, the outer side surfaces of the clamping layers 19 are provided with rough anti-slip surfaces and are tightly attached to the outer side wall of the outer sleeve 3, and the anti-slip surfaces on the clamping layers 19 further reinforce the connection stability of the fixing rings and the outer sleeve 3, so that the outer sleeve 3 is more stably connected to the fixing rings and is not prone to shaking.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coal screening installation of classifying screen, includes box (9), its characterized in that: the top of box (9) is equipped with feeder hopper (1), both ends are equipped with support column (7) about the bottom half inner chamber, the top of support column (7) is connected with go-between (12), the top fixedly connected with hierarchical sieving mechanism of go-between (12), hierarchical sieving mechanism includes outer sleeve (3), the inner chamber department of outer sleeve (3) has middle inner skleeve (10) and inner skleeve (4) through threaded connection, be equipped with first filter screen (22) between outer sleeve (3) and middle inner skleeve (10), be equipped with second filter screen (23) between middle inner skleeve (10) and inner skleeve (4), the inner skleeve (4) inner chamber is equipped with third filter screen (24), all be equipped with dead lever (5) on the wall of the left and right sides of outer sleeve (3), dead lever (5) transversely run through box (9), and the junction of dead lever (5) and box (9) is equipped with screw hole (11), the bottom swing joint of go-between (12) has outer collecting box (8) with outer sleeve (3) matching, the bottom of well putting inner skleeve (10) is equipped with in the middle and collects the case (14), the bottom swing joint of inner skleeve (4) has interior collection case (13).

2. A coal screening apparatus of a classification screening according to claim 1, characterized in that: one side fixedly connected with left side that dead lever (5) are close to outer sleeve (3) is fixed ring (6) and right side and is fixed ring (17), and fixed ring (6) in a left side and right side are fixed ring (17) and all laminate mutually with the outside wall of outer sleeve (3).

3. A coal screening apparatus of a classification screening according to claim 2, characterized in that: the upper and lower both ends of the solid fixed ring in a left side (6) all are equipped with left fixed block (18), the upper and lower both ends of the solid fixed ring in the right side (17) are equipped with left fixed block (18) assorted right fixed block (20), and left fixed block (18) and right fixed block (20) inner chamber all are equipped with the screw hole, screw hole and adjusting bolt (21) phase-match.

4. A coal screening apparatus of a classification screening according to claim 1, characterized in that: the both ends that box (9) inner chamber top is close to feeder hopper (1) all are equipped with swash plate (2) that the size is unanimous, the width of swash plate (2) is the same with outer sleeve (3), and the smoothness of swash plate (2) is unanimous.

5. A coal screening apparatus of a classification screening according to claim 1, characterized in that: the inner cavity of the bottom of the box body (9) is provided with a sliding chute (16), the sliding chute (16) is connected with the outer collecting box (8), the inner collecting box (13) and the bottom of the built-in inner collecting box (14) in a sliding mode, and handles (15) are arranged on the outer side faces of the outer collecting box (8), the inner collecting box (13) and the built-in inner collecting box (14).

6. A coal screening apparatus of a classification screening according to claim 3, characterized in that: the inner cavities of the left fixing ring (6) and the right fixing ring (17) are both provided with a clamping layer (19), the outer side surface of the clamping layer (19) is provided with a rough anti-skid surface, and the outer side surface is tightly attached to the outer side wall of the outer sleeve (3).