CN210159953U - Device for screening according to coal particle size - Google Patents

Abstract

The utility model provides a device for screening according to coal particle diameter. The device for screening according to the coal particle size comprises: a screening box; the bottom of the movable box is fixed at the top of the screening box; the transmission structure is arranged inside the movable box and comprises a sliding plate, and two sides of the sliding plate are respectively connected to two sides of the inner wall of the movable box in a sliding manner; the bottom of screening motor is fixed in the bottom of the inner wall of activity case. The utility model provides a device that screens according to coal particle diameter, easy operation, the practicality is strong, can be quick screens coal, has improved work efficiency to can adjust the aperture of screening plate, satisfy the screening of different particle diameter coals, improve screening installation's comprehensiveness, need not prepare the screening plate of a plurality of different grade types and do the backup, reduced the cost of equipment manufacturing.

Description

Device for screening according to coal particle size

Technical Field

The utility model relates to a coal processing field especially relates to a device that screens is carried out according to coal particle diameter.

Background

Coal is a solid combustible mineral formed by ancient plants buried underground and undergoing complex biochemical and physicochemical changes, is known as black gold by people and is industrial food, which is one of main energy sources used in the human world since the eighteenth century, and since the twenty-first century, although the value of coal is not as good as before, coal is one of indispensable energy sources for production and life of human beings at present and for a long time in the future.

In the middle of the real life, after coal mining, need to smash, work such as screening to coal, however current coal screening installation has had some shortcomings, for example the operation is complicated, it is inconvenient to use, the most important thing does not have the function of regulation, so that can not satisfy the screening of different particle size coal, reduced the functionality of equipment, when needs are filtered according to different coal particle sizes, at this moment just need change the screening structure of different models, at this moment just need prepare a plurality of screening structures, for the installation, cost when having improved equipment manufacturing indirectly.

Therefore, it is necessary to provide a device for screening according to the coal particle size to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device that screens according to coal particle diameter has solved the screening that can not satisfy different particle diameter coals, has reduced the functional problem of equipment.

In order to solve the technical problem, the utility model provides a device that screens according to coal particle diameter includes: a screening box; the bottom of the movable box is fixed at the top of the screening box; the transmission structure is arranged inside the movable box and comprises a sliding plate, and two sides of the sliding plate are respectively connected to two sides of the inner wall of the movable box in a sliding manner; the bottom of the screening motor is fixed to the bottom of the inner wall of the movable box, a circular plate is fixedly connected to the outer surface of an output shaft of the screening motor, and a convex block matched with the sliding plate is fixedly connected to the top of the front face of the circular plate; the screening structure is arranged inside the screening box and comprises two sliding blocks, the two sliding blocks are respectively connected to two sides of the inner wall of the screening box in a sliding mode, and a screening hopper is fixedly connected between opposite sides of the two sliding blocks; the screening device comprises two U-shaped blocks, a screening hopper and a screening plate, wherein the two U-shaped blocks are respectively fixed on two sides of the inner wall of the screening hopper, the screening plate is placed between the opposite sides of the two U-shaped blocks, and a plurality of screening holes are formed in the screening plate; a plurality of U type frame, a plurality of U type frame sets up respectively in a plurality of the internal surface in screening hole, a plurality of all rotate between the bottom of the inner wall of U type frame and the top and be connected with axis of rotation, a plurality of the equal fixedly connected with limiting plate in one side of axis of rotation.

Preferably, the two opposite sides of the U-shaped blocks are slidably connected with T-shaped blocks matched with the screening plate, the tops of the two U-shaped blocks are in threaded connection with screw rods, and the bottom ends of the two screw rods are respectively and rotatably connected to the tops of the T-shaped blocks.

Preferably, the bottom of the screening hopper is communicated with a discharge pipe, and the bottom of the inner wall of the screening box is fixedly connected with a gathering block.

Preferably, the top of screening case just is located the front fixed mounting of movable box has the feeding mouth, the bottom intercommunication of one side of the inner wall of screening case has row material pipe.

Preferably, both sides of the bottom of the sliding plate are fixedly connected with connecting rods, the bottom ends of the two connecting rods penetrate through the movable box and the screening box and extend into the screening box, and one ends of the two connecting rods extending into the screening box are respectively fixed at the tops of the two sliding blocks.

Preferably, one side of the inner wall of each U-shaped frame is fixedly connected with an elastic extrusion block, and the tops of the U-shaped frames are fixedly connected with a scale ring.

Preferably, one end of each of the plurality of rotating shafts penetrates through the plurality of U-shaped frames and extends to the tops of the plurality of U-shaped frames, and one end of each of the plurality of rotating shafts, which extends to the tops of the plurality of U-shaped frames, is fixedly connected with a pointer handle.

Compared with the prior art, the utility model provides a device that screens according to coal particle diameter has following beneficial effect:

the utility model provides a device for screening according to coal particle size, through the start-up of screening motor, can drive the plectane and rotate, when the plectane rotates, can drive the lug and carry out the circular rotation with the plectane center, through the rotation of lug, can drive the sliding plate upward movement, and when the sliding plate upward movement, will drive the sliding block upward movement through two connecting rods, indirectly drive the screening fill upward movement, when the lug rotates to plectane below position, at this moment, through the gravity of coal, can drive the sliding plate downward movement, indirectly make the screening fill up-and-down movement, and then screen the up-and-down movement of screening fill, can drive coal shake from top to bottom, just at this moment can screen coal, the coal after the screening falls to the bottom of screening case through the discharging pipe, at this moment gathers the coal through gathering piece, and discharge the screening case through the discharging pipe, simple operation, strong practicability, can quickly screen coal, improves the working efficiency, and the two screw rods move up and down in the process of rotating again through the connection relationship between the two screw rods and the two U-shaped blocks, the two screw rods move up and down to drive the T-shaped blocks to move up and down, at the moment, the clamping connection with the screening plate is lost, the screening plate can be disassembled by workers, then the pointer handles are manually rotated, the pointer handles drive the limiting plates to rotate when rotating, the rotation of the plurality of limit plates is convenient for the staff to adjust the aperture of the screening holes on the screening plate, the screening of the coals with different grain diameters is met by adjusting the aperture of the screening holes, the comprehensiveness of screening equipment is improved, a plurality of screening plates of different types do not need to be prepared for backup, and the manufacturing cost of the equipment is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the device for screening according to coal particle size according to the present invention;

FIG. 2 is an external view showing the structure of the apparatus for screening according to the coal particle size shown in FIG. 1;

FIG. 3 is an enlarged schematic view of part Aa of FIG. 1;

FIG. 4 is a top view of the construction of the screening plate shown in FIG. 1;

FIG. 5 is an enlarged view of the Ba section shown in FIG. 4;

fig. 6 is a structural side view of the U-shaped frame shown in fig. 5.

Reference numbers in the figures: 1a, a screening box, 2a, a movable box, 3a, a transmission structure, 31a, a sliding plate, 32a, a screening motor, 33a, a circular plate, 34a, a bump, 35a, a connecting rod, 4a, a screening structure, 41a, a sliding block, 42a, a screening bucket, 43a, a U-shaped block, 44a, a screening plate, 45a, a screening hole, 46a, a U-shaped frame, 47a, a rotating shaft, 48a, a limiting plate, 49a, a T-shaped block, 410a, a screw rod, 411a, an elastic extrusion block, 412a, a scale ring, 413a, a pointer handle, 5a, a discharge pipe, 6a, an aggregation block, 7a, a feed nozzle, 8a and a discharge pipe.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, in which fig. 1 is a schematic structural diagram of a preferred embodiment of the apparatus for screening according to coal particle size according to the present invention; FIG. 2 is an external view showing the structure of the apparatus for screening according to the coal particle size shown in FIG. 1; FIG. 3 is an enlarged schematic view of part Aa of FIG. 1; FIG. 4 is a top view of the construction of the screening plate shown in FIG. 1; FIG. 5 is an enlarged view of the Ba section shown in FIG. 4; fig. 6 is a structural side view of the U-shaped frame shown in fig. 5. The device for screening according to the coal particle size comprises: a screening box 1 a; the bottom of the movable box 2a is fixed at the top of the screening box 1 a; the transmission structure 3a is arranged inside the movable box 2, the transmission structure 3a comprises a sliding plate 31a, and two sides of the sliding plate 31a are respectively connected to two sides of the inner wall of the movable box 2a in a sliding manner; the bottom of the screening motor 32a is fixed to the bottom of the inner wall of the movable box 2a, a circular plate 33a is fixedly connected to the outer surface of the output shaft of the screening motor 32a, and a convex block 34a matched with the sliding plate 31a is fixedly connected to the top of the front surface of the circular plate 33 a; the screening structure 4a is arranged inside the screening box 1a, the screening structure 4a comprises two sliding blocks 41a, the two sliding blocks are respectively connected to two sides of the inner wall of the screening box 1 in a sliding manner, and a screening hopper 42a is fixedly connected between opposite sides of the two sliding blocks 41 a; the screening device comprises two U-shaped blocks 43a, wherein the two U-shaped blocks 43a are respectively fixed on two sides of the inner wall of the screening hopper 42a, a screening plate 44a is placed between one opposite sides of the two U-shaped blocks 43a, and a plurality of screening holes 45a are formed in the screening plate 44 a; a plurality of U-shaped frames 46a, a plurality of U-shaped frames 46a are respectively arranged on the inner surfaces of the plurality of screening holes 45a, a rotating shaft 47a is rotatably connected between the bottom and the top of the inner wall of the plurality of U-shaped frames 46a, one side of the plurality of rotating shafts 47a is fixedly connected with a limiting plate 48a, the screening motor 32a is connected with an external power supply and an external control switch, the protruding block 34a is arranged at the bottom of the sliding plate 31a, the sliding plate 31a is driven to move upwards by the protruding block 34a, the limiting plate 48a is arranged to mainly adjust the aperture size of the screening holes 45a, the number of the screening holes 45a is ninety, the screening holes can also be arranged according to actual conditions, and the number of the U-shaped frames 46a in each screening hole 45a is that the front faces of the three screening boxes 1a are provided with box doors, thereby facilitating the taking of coal, and disassembly of the screening plate 44 a.

Two equal sliding connection between the relative one side of U type piece 43a have with T type piece 49a of screening board 44a looks adaptation, two equal threaded connection in U type piece 43a top has lead screw 410a, two the bottom of lead screw 410a rotate respectively connect in the top of T type piece 49a, and it is rotatory to drive lead screw 410a manually through the staff, and the rotation of lead screw 410a, through with the relation of being connected between the U type piece 43a for lead screw 410a is rotatory, can the up-and-down motion.

The bottom of the screening hopper 42a is communicated with a discharge pipe 5a, and the bottom of the inner wall of the screening box 1a is fixedly connected with an aggregation block 6 a.

Screening case 1 a's top just is located the positive fixed mounting of movable box 2a has feeding mouth 7a, the bottom intercommunication of one side of screening case 1 a's inner wall has row material pipe 8a, feeding mouth 7 a's setting, the placing of the coal of being convenient for to and the discharge of the coal of being convenient for after the screening through discharging pipe 5 a.

The two sides of the bottom of the sliding plate 31a are fixedly connected with connecting rods 35a, the bottom ends of the two connecting rods 35a penetrate through the movable box 2a and the screening box 1a and extend into the screening box 1a, one ends of the two connecting rods 35a extending into the screening box 1a are fixed to the tops of the two sliding blocks 41a respectively, and through the up-and-down movement of the two connecting rods 35a, the two U-shaped blocks 43a can be driven to move up and down, the screening plate 44a is indirectly driven to shake up and down, and therefore screening work is performed.

A plurality of one side fixed connection elasticity extrusion piece 411a of the inner wall of U type frame 46a, the setting of elasticity extrusion piece 411a can mainly extrude axis of rotation 47a, guarantees that axis of rotation 47a can not lead to self to take place the rotation because of vibrations, and then guarantees the stability after axis of rotation 47a rotates, and a plurality of the top fixedly connected with scale ring 412a of U type frame 46 a.

A plurality of the one end of axis of rotation 47a runs through a plurality of respectively U type frame 46a extends to a plurality of the top of U type frame 46a, a plurality of axis of rotation 47a extends to a plurality of the one end fixedly connected with pointer handle 413a at the top of U type frame 46a, the setting of pointer handle 413a is mainly convenient for the staff to the rotation of axis of rotation 47a, and the setting of deuterogamy scale ring 412a can make the staff know axis of rotation 47a pivoted angle.

The utility model provides a device that screens according to coal particle diameter's theory of operation as follows:

s1, placing the coal to be screened into the screening box 1a through the feeding nozzle 7a, and enabling the coal in the screening box 1a to fall to the top of the screening plate 44a in the screening hopper 42 a;

s2, the circular plate 33a can be driven to rotate by the start of the screening motor 32a, when the circular plate 33a rotates, the convex block 34a can be driven to rotate circularly around the center of the circular plate 33a, the sliding plate 31a can be driven to move upwards by the rotation of the convex block 34a, when the sliding plate 31a moves upwards, the sliding block 41a is driven to move upwards by the two connecting rods 35a, the screening hopper 42a is indirectly driven to move upwards, when the convex block 34a rotates to the position below the circular plate 33a, the sliding plate 31a can be driven to move downwards by the gravity of coal, and the screening hopper 42a indirectly moves upwards and downwards;

s3, the coal can be driven to shake up and down through the up-and-down movement of the screening hopper 42a, the coal can be screened at the moment, the screened coal falls to the bottom of the screening box 1a through the discharge pipe 5a, the coal is gathered through the gathering block 6a at the moment, and the coal is discharged out of the screening box 1a through the discharge pipe 8 a;

s4, manually rotating the two screw rods 410a, enabling the two screw rods 410a to move up and down in the process of rotating again through the connection relationship between the two screw rods 410a and the two U-shaped blocks 43a, driving the T-shaped blocks 49a to move up and down through the up-and-down movement of the two screw rods 410a, losing the clamping connection with the screening plate 44a at this time, and enabling a worker to screen the screening plate 44 a;

s5, manually rotating the pointer handles 413a, when the pointer handles 413a rotate, the limiting plates 48a are driven to rotate, and the diameter of the screening holes 45a is changed when the limiting plates 48a rotate.

Compared with the prior art, the utility model provides a device that screens according to coal particle diameter has following beneficial effect:

the circular plate 33a can be driven to rotate by the starting of the screening motor 32a, when the circular plate 33a rotates, the convex block 34a can be driven to circularly rotate at the center of the circular plate 33a, the sliding plate 31a can be driven to move upwards by the rotation of the convex block 34a, when the sliding plate 31a moves upwards, the sliding block 41a can be driven to move upwards by the two connecting rods 35a, the screening hopper 42a is indirectly driven to move upwards, when the convex block 34a rotates to the position below the circular plate 33a, the sliding plate 31a can be driven to move downwards by the gravity of coal, the screening hopper 42a indirectly moves upwards and downwards, then the coal can be driven to shake upwards and downwards by the upward and downward movement of the screening hopper 42a, at the moment, the coal can be screened, the screened coal falls to the bottom of the screening box 1a through the discharge pipe 5a, at the moment, the coal is gathered through the gathering block 6a, the screening box 1a is discharged through the discharging pipe 8a, the operation is simple, the practicability is strong, coal can be rapidly screened, the working efficiency is improved, the two screw rods 410a move up and down in the process of rotating again through the connection relation between the two screw rods 410a and the two U-shaped blocks 43a, the two screw rods 410a move up and down to drive the T-shaped blocks 49a to move up and down, the clamping connection with the screening plate 44a is lost, at the moment, a worker can disassemble the screening plate 44a, then the pointer handles 413a are manually rotated, when the pointer handles 413a rotate, the limiting plates 48a are driven to rotate, the limiting plates 48a rotate, so that the worker can conveniently adjust the aperture of the screening holes 45a on the screening plate 44a, the screening of coal with different particle sizes can be met through the adjustment of the aperture of the screening holes 45a, the comprehensiveness of the screening device is improved, a plurality of screening plates 44a of different types do not need to be prepared for backup, and the manufacturing cost of the device is reduced.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (7)

1. An apparatus for screening coal according to particle size, comprising:

a screening box;

the bottom of the movable box is fixed at the top of the screening box;

the transmission structure is arranged inside the movable box and comprises a sliding plate, and two sides of the sliding plate are respectively connected to two sides of the inner wall of the movable box in a sliding manner;

the bottom of the screening motor is fixed to the bottom of the inner wall of the movable box, a circular plate is fixedly connected to the outer surface of an output shaft of the screening motor, and a convex block matched with the sliding plate is fixedly connected to the top of the front face of the circular plate;

the screening structure is arranged inside the screening box and comprises two sliding blocks, the two sliding blocks are respectively connected to two sides of the inner wall of the screening box in a sliding mode, and a screening hopper is fixedly connected between opposite sides of the two sliding blocks;

the screening device comprises two U-shaped blocks, a screening hopper and a screening plate, wherein the two U-shaped blocks are respectively fixed on two sides of the inner wall of the screening hopper, the screening plate is placed between the opposite sides of the two U-shaped blocks, and a plurality of screening holes are formed in the screening plate;

a plurality of U type frame, a plurality of U type frame sets up respectively in a plurality of the internal surface in screening hole, a plurality of all rotate between the bottom of the inner wall of U type frame and the top and be connected with axis of rotation, a plurality of the equal fixedly connected with limiting plate in one side of axis of rotation.

2. The device for screening according to the coal particle size of claim 1, wherein a T-shaped block matched with the screening plate is slidably connected between opposite sides of the two U-shaped blocks, the tops of the two U-shaped blocks are in threaded connection with screw rods, and the bottom ends of the two screw rods are respectively and rotatably connected to the tops of the T-shaped blocks.

3. The device for screening according to the coal particle size of claim 1, wherein a discharge pipe is communicated with the bottom of the screening hopper, and an aggregation block is fixedly connected to the bottom of the inner wall of the screening box.

4. The device for screening according to the coal particle size as claimed in claim 1, wherein a feeding nozzle is fixedly installed at the top of the screening box and located on the front surface of the movable box, and a discharging pipe is communicated with the bottom of one side of the inner wall of the screening box.

5. The device for screening according to the coal particle size of claim 1, wherein connecting rods are fixedly connected to both sides of the bottom of the sliding plate, the bottom ends of the two connecting rods penetrate through the movable box and the screening box and extend to the interior of the screening box, and one ends of the two connecting rods extending to the interior of the screening box are respectively fixed to the tops of the two sliding blocks.

6. The device for screening according to the coal particle size of claim 1, wherein an elastic extrusion block is fixedly connected to one side of the inner wall of the U-shaped frames, and a scale ring is fixedly connected to the tops of the U-shaped frames.

7. The device for screening according to the coal particle size as claimed in claim 1, wherein one end of each of the plurality of rotating shafts penetrates through the plurality of U-shaped frames and extends to the top of the plurality of U-shaped frames, and one end of each of the plurality of rotating shafts extending to the top of the plurality of U-shaped frames is fixedly connected with a pointer handle.

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