CN219751297U - Large-dip-angle pneumatic conveying mineral aggregate screening device - Google Patents

Abstract

The utility model relates to the technical field of mineral aggregate conveying, in particular to a large-inclination pneumatic conveying mineral aggregate screening device, which comprises a frame body, wherein the frame body comprises a support frame, a conveying channel is arranged on the upper surface of the support frame, and a filter screen is arranged on the inner side of the conveying channel; the bottom of the conveying channel is provided with a pneumatic conveying mechanism, the pneumatic conveying mechanism comprises a fan, and the fan is arranged at the bottom of the conveying channel. According to the utility model, through the arrangement of the fan, air can enter the inner side of the pipeline under the action of the fan, then the air is blown out through the spray head, and the energy of air flow can be utilized through the action of the spray head, so that mineral aggregate is conveyed in the conveying channel along the air flow direction, the mineral aggregate is easier to fall down, the mineral aggregate is conveyed more smoothly, the blockage of the mineral aggregate caused by the slow falling speed on the inner side of the conveying channel can be avoided, the conveying efficiency of the mineral aggregate can be improved, and the mineral aggregate is conveniently screened.

Description

Large-dip-angle pneumatic conveying mineral aggregate screening device

Technical Field

The utility model relates to the technical field of mineral aggregate conveying, in particular to a large-inclination-angle pneumatic conveying mineral aggregate screening device.

Background

Coal mines are areas where human beings mine coal resources in a mining area rich in coal, and are generally divided into an underground coal mine and an open pit coal mine, wherein when a coal bed is far from the ground surface, coal is generally selected to be mined into an underground mining roadway, the underground coal mine is the underground coal mine, and when the coal bed is very close to the ground surface, the direct stripping of an earth surface layer is generally selected to mine the coal, and the open pit coal mine is the open pit coal mine. Coal is formed by gradually accumulating thick layers of flourishing plants growing in a certain geological period in a proper geological environment and buried in water bottom or sediment through natural coalification in the long geological period, and is also the most main solid fuel.

In the prior art, when mineral aggregate is conveyed, as the distance of a conveying device required by the mineral aggregate is long and the conveying amount is large, the mineral aggregate is not easy to fall down when conveyed, so that the falling speed is low, the blanking time is long, and the blocking condition can be caused when conveying, so that the efficiency of mineral aggregate conveying and screening can be influenced, and therefore, the design of a large-dip-angle pneumatic conveying mineral aggregate screening device is needed to solve the problems.

Disclosure of Invention

The utility model aims to provide a large-inclination pneumatic conveying mineral aggregate screening device, which solves the problems that the mineral aggregate is difficult to fall down in conveying due to long distance and large conveying capacity of a conveying device required by mineral aggregate in the background technology, so that the condition of low falling speed and long blanking time are easy to occur, and the condition of blockage in conveying is likely to occur, so that the efficiency of mineral aggregate conveying and screening is affected.

In order to achieve the above purpose, the utility model provides the following technical scheme,

the large-inclination pneumatic conveying mineral aggregate screening device comprises a frame body, wherein the frame body comprises a supporting frame, a conveying channel is arranged on the upper surface of the supporting frame, and a filter screen is arranged on the inner side of the conveying channel;

the bottom of conveying passageway is provided with pneumatic conveying mechanism, pneumatic conveying mechanism includes the fan, the fan sets up in conveying passageway's bottom, the surface of fan is provided with the pipeline, conveying passageway's bottom fixedly connected with work box, the air inlet has been seted up to conveying passageway's inboard, conveying passageway's bottom is provided with the shower nozzle, movable groove has been seted up to conveying passageway's inboard, the inboard swing joint in movable groove has the bull stick, the fixed surface of bull stick is connected with the cam, conveying passageway's lower surface is provided with first motor, the one end and the output fixedly connected with of first motor that the cam was kept away from to the bull stick, the inboard swing joint in movable groove has the connecting rod, the lower surface fixedly connected with first connecting block of connecting rod, the surface fixedly connected with spring is kept away from to the connecting rod, the one end fixedly connected with baffle of spring is kept away from to the connecting rod, the first slot has been seted up to the inner wall of air inlet.

Preferably, one end of the pipeline is fixedly connected with the fan, the other end of the pipeline is fixedly connected with the spray head, the two groups of air inlets are formed in the inner sides of the conveying channels, and the spray head is arranged in the inner side of the working box.

Preferably, the movable grooves are formed in two groups and are formed in the inner sides of the conveying channels, the connecting rods are correspondingly connected with the movable grooves, one end of each spring is fixedly connected with the connecting rod, and the other end of each spring is fixedly connected with the movable groove.

Preferably, the baffle is movably connected to the inner side of the movable groove, and the second connecting blocks are correspondingly connected with the baffle in two groups.

Preferably, the bottom of conveying channel is provided with collection mechanism, collection mechanism includes the connecting plate, connecting plate fixed connection is at conveying channel's lower surface, the spout has been seted up to the inboard of connecting plate, the inboard swing joint of spout has the slider, the one end fixedly connected with collection box of spout is kept away from to the slider, the inboard swing joint of connecting plate has positive and negative screw rod, the surface of connecting plate is provided with the second motor, positive and negative screw rod and the output fixed connection of second motor, positive and negative screw rod's surface threaded connection has the inserted block, the second slot has been seted up on the surface of slider, the fixed surface of connecting plate is connected with the gag lever post.

Preferably, the collecting box is movably connected with the sliding groove through the sliding block, the inserting blocks are movably connected with the surfaces of the positive and negative screw rods in two groups, the second inserting grooves are correspondingly connected with the sliding block in two groups, and the inserting blocks are movably connected with the surfaces of the limiting rods.

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

1. through the setting of fan, can realize that the air enters into the inboard of pipeline under the effect of fan, then blow out through the shower nozzle, can realize utilizing the energy of air current through the effect of shower nozzle, carry the mineral aggregate along the air current direction in transfer passage for the mineral aggregate whereabouts more easily, and then more smooth and easy to the transportation of mineral aggregate, can avoid the mineral aggregate to cause the jam because of the whereabouts speed is slow in transfer passage's inboard simultaneously, can promote the efficiency that the mineral aggregate was carried, and then be convenient for carry out the screening to the mineral aggregate.

2. The collecting box sets up in the bottom of conveying channel, when the mineral aggregate is carried in conveying channel's inboard and is passed through the filter screen surface, the filter screen filters the mineral aggregate, the collecting box can collect the tiny particle mineral aggregate that falls of screening, the setting of spout is convenient for the collecting box slide through the slider at the surface of spout, simultaneously through the cartridge and the cartridge of second slot, be convenient for carry out spacing to the slider, can avoid the collecting box to take place the landing, through cartridge and second slot separation, can realize releasing spacing to the slider, and then be convenient for take off the collecting box and retrieve and centralized processing the mineral aggregate of collecting tiny particle, easy operation.

Drawings

FIG. 1 is a schematic elevational cross-sectional view of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the present utility model at B in FIG. 1;

FIG. 4 is a schematic elevational cross-sectional view of a portion of the structure of the collection box and insert of the present utility model;

FIG. 5 is a schematic top cross-sectional view of a portion of the structure of the collection box and insert of the present utility model.

In the figure: 1. a support frame; 11. a conveying channel; 12. a filter screen; 2. a blower; 21. a pipe; 22. a working box; 23. an air inlet; 24. a spray head; 25. a movable groove; 26. a rotating rod; 27. a cam; 28. a first motor; 29. a connecting rod; 210. a first connection block; 211. a spring; 212. a baffle; 213. a second connection block; 214. a first slot; 3. a connecting plate; 31. a chute; 32. a slide block; 33. a collection box; 34. a positive and negative screw; 35. a second motor; 36. inserting blocks; 37. a second slot; 38. and a limit rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided:

the utility model provides a big inclination air conveying mineral aggregate sieving mechanism, includes the support body, and the support body includes support frame 1, and the upper surface of support frame 1 is provided with conveying channel 11, and the inboard of conveying channel 11 is provided with filter screen 12, and conveying channel 11 slope setting is at the upper surface of support frame 1, is big inclination, can make the mineral aggregate better fall, and filter screen 12's setting can play the effect of screening when carrying the mineral aggregate, can realize sieving out the granule mineral aggregate, carries out the ejection of compact to the mineral aggregate that accords with the requirement;

the bottom of conveying passageway 11 is provided with pneumatic conveying mechanism, pneumatic conveying mechanism includes fan 2, fan 2 sets up the bottom at conveying passageway 11, the surface of fan 2 is provided with pipeline 21, the bottom fixedly connected with work box 22 of conveying passageway 11, air inlet 23 has been seted up to the inboard of conveying passageway 11, the bottom of conveying passageway 11 is provided with shower nozzle 24, movable slot 25 has been seted up to the inboard of conveying passageway 11, the inboard swing joint of movable slot 25 has bull stick 26, the fixed surface of bull stick 26 is connected with cam 27, the lower surface of conveying passageway 11 is provided with first motor 28, the one end that the bull stick 26 kept away from cam 27 and the output fixed connection of first motor 28, the inboard swing joint of movable slot 25 has connecting rod 29, the lower surface fixed connection of connecting rod 29 has first connecting block 210, the fixed surface of connecting rod 29 is connected with spring 211, the one end fixedly connected with baffle 212 that the connecting rod 29 kept away from the spring 211, the one end fixedly connected with second connecting block 213 of connecting rod 29, the inner wall of air inlet 23 has seted up first slot 214, cam 27 fixed connection is at the surface of bull stick 26, it rotates to drive cam 27 through bull stick 26, can realize that cam 27 is faced the cam 27 and carry out the realization when the inside of the realization is faced to the connecting rod 29 and is carried out the effect of moving under the connecting rod 29, can realize the realization of connecting rod is faced the connecting block 29 when the effect of the connecting rod 29 and can not need to carry out the realization of moving the connecting rod 23 and the effect and the realization of the effect of the connecting rod is faced to the connecting rod 23.

Further, one end of the pipeline 21 is fixedly connected with the fan 2, the other end of the pipeline 21 is fixedly connected with the spray head 24, the air inlets 23 are formed in two groups and are formed in the inner side of the conveying channel 11, the spray head 24 is arranged in the inner side of the working box 22, the spray head 24 is fixedly connected with the pipeline 21, air enters the inner side of the pipeline 21 through the effect of the fan 2 and is blown out through the spray head 24, energy of utilizing air flow can be further achieved, and the effect of conveying mineral aggregate in the conveying channel 11 along the air flow direction is achieved, so that mineral aggregate conveying is smoother.

Further, the movable groove 25 is two groups of inner sides of the conveying channel 11, the connecting rod 29 is two groups of corresponding connection with the movable groove 25, one end of the spring 211 is fixedly connected with the connecting rod 29, the other end of the spring 211 is fixedly connected with the movable groove 25, the spring 211 is fixedly connected with the connecting rod 29, the connecting rod 29 can be reset under the action of the spring 211, the movable groove 25 is driven to reset, the movable groove 25 is enabled to cancel blocking of the air inlet 23, and the spray head 24 can blow mineral aggregate conveniently.

Further, baffle 212 swing joint is in the inboard of movable groove 25, and second connecting block 213 is two sets of and baffle 212 and corresponds to be connected, and baffle 212 swing joint is in the inboard of movable groove 25, through the removal of baffle 212, realizes that baffle 212 contracts in the inboard of movable groove 25, can realize opening of air inlet 23, and then is convenient for blow through shower nozzle 24 and carry the mineral aggregate of conveying channel 11 inboard for the mineral aggregate can be better whereabouts, can promote the efficiency that the mineral aggregate was carried.

Further, the bottom of conveying passageway 11 is provided with collection mechanism, collection mechanism includes connecting plate 3, connecting plate 3 fixed connection is at the lower surface of conveying passageway 11, spout 31 has been seted up to the inboard of connecting plate 3, the inboard swing joint of spout 31 has slider 32, the one end fixedly connected with collection box 33 of spout 31 is kept away from to slider 32, the inboard swing joint of connecting plate 3 has positive and negative screw rod 34, the surface of connecting plate 3 is provided with second motor 35, positive and negative screw rod 34 and the output fixed connection of second motor 35, positive and negative screw rod 34's surface threaded connection has insert 36, second slot 37 has been seted up on slider 32's surface, connecting plate 3's fixed surface is connected with gag lever post 38, the setting of collection box 33 can collect the granule mineral aggregate that filter screen 12 selected, and then be convenient for retrieve and centralized processing to the granule mineral aggregate.

Further, the collecting box 33 is movably connected with the sliding groove 31 through the sliding block 32, the inserting block 36 is movably connected with the surface of the positive and negative screw 34 in two groups, the second inserting groove 37 is correspondingly connected with the sliding block 32 in two groups, the inserting block 36 is movably connected with the surface of the limiting rod 38, the limiting rod 38 can limit the inserting block 36, the inserting block 36 can be prevented from being deviated under the action of the positive and negative screw 34, the inserting block 36 can move in a horizontal position conveniently, the inserting block 36 and the second inserting groove 37 can be inserted through the movement of the inserting block 36, the sliding block 32 is limited, and the collecting box 33 can be prevented from sliding.

Working principle: when the air conditioner is used, the output end of the first motor 28 is electrically connected with the input end of an external power supply through a lead, a worker starts the first motor 28 through a push switch, the first motor 28 operates to enable the rotating rod 26 to drive the cam 27 to rotate, the cam 27 rotates to enable the concave surface to be in contact with the first connecting block 210, the connecting rod 29 is reset under the rebound effect of the spring 211, the connecting rod 29 is enabled to move on the inner side of the movable groove 25 and drive the baffle 212 to move, the baffle 212 is enabled to cancel blocking of the air inlet 23, then air enters the inner side of the pipeline 21 through the effect of the fan 2, and then the air is sprayed out through the spray head 24, so that mineral aggregate is conveyed in the air flow direction in the conveying channel 11 by using energy of air flow; when blowing is not needed, the first motor 28 is operated to drive the rotating rod 26 to drive the cam 27 to rotate, the convex surface of the cam 27 faces the first connecting block 210, the first connecting block 210 is extruded by the cam 27, the connecting rod 29 moves on the inner side of the movable groove 25 and drives the baffle 212 to move, the air inlet 23 is plugged through the baffle 212, the spring 211 is in a stretched state at the moment, and meanwhile, the second connecting block 213 is inserted into the inner side of the first slot 214.

The output of the second motor 35 is electrically connected with the input of an external power supply through a wire, small particle mineral aggregates screened by the filter screen 12 can fall into the inner side of the collecting box 33 below for collecting, after the mineral aggregates on the inner side of the collecting box 33 are fully collected, a worker starts the second motor 35 through a pressing switch, the second motor 35 operates to enable the positive and negative screw 34 to rotate, the insert 36 is limited by the limiting rod 38 and can move from the middle to two ends under the action of the positive and negative screw 34, separation of the insert 36 and the second slot 37 is achieved, limitation of the slide block 32 is eliminated, then the collecting box 33 is pulled, the collecting box 33 slides on the surface of the slide groove 31 through the slide block 32, separation of the slide block 32 and the slide groove 31 is achieved, and mineral aggregates on the inner side of the collecting box 33 can be recovered and processed, so that the device is more practical.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The large-inclination pneumatic conveying mineral aggregate screening device comprises a frame body, wherein the frame body comprises a supporting frame (1), a conveying channel (11) is arranged on the upper surface of the supporting frame (1), and a filter screen (12) is arranged on the inner side of the conveying channel (11);

the utility model is characterized in that a pneumatic conveying mechanism is arranged at the bottom end of the conveying channel (11), the pneumatic conveying mechanism comprises a fan (2), the fan (2) is arranged at the bottom end of the conveying channel (11), a pipeline (21) is arranged on the surface of the fan (2), a working box (22) is fixedly connected with the bottom end of the conveying channel (11), an air inlet (23) is formed in the inner side of the conveying channel (11), a spray head (24) is arranged at the bottom end of the conveying channel (11), a movable groove (25) is formed in the inner side of the conveying channel (11), a rotating rod (26) is movably connected with the inner side of the movable groove (25), a cam (27) is fixedly connected with the surface of the rotating rod (26), one end of the rotating rod (26) far away from the cam (27) is fixedly connected with the output end of the first motor (28), a connecting rod (29) is movably connected with the inner side of the movable groove (25), a first connecting block (210) is fixedly connected with the lower surface of the connecting rod (29), one end of the connecting rod (29) is fixedly connected with a spring (211), one end of the baffle (212) far away from the connecting rod (29) is fixedly connected with a second connecting block (213), and a first slot (214) is formed in the inner wall of the air inlet (23).

2. The large-inclination-angle pneumatic conveying mineral aggregate screening device according to claim 1, wherein: one end of the pipeline (21) is fixedly connected with the fan (2), the other end of the pipeline (21) is fixedly connected with the spray head (24), the two groups of air inlets (23) are formed in the inner sides of the conveying channels (11), and the spray head (24) is arranged in the inner side of the working box (22).

3. The large-inclination-angle pneumatic conveying mineral aggregate screening device according to claim 1, wherein: the movable grooves (25) are formed in two groups and are formed in the inner sides of the conveying channels (11), the connecting rods (29) are correspondingly connected with the movable grooves (25), one ends of the springs (211) are fixedly connected with the connecting rods (29), and the other ends of the springs (211) are fixedly connected with the movable grooves (25).

4. The large-inclination-angle pneumatic conveying mineral aggregate screening device according to claim 1, wherein: the baffle (212) is movably connected to the inner side of the movable groove (25), and the second connecting blocks (213) are correspondingly connected with the baffle (212) in two groups.

5. The large-inclination-angle pneumatic conveying mineral aggregate screening device according to claim 1, wherein: the bottom of conveying passageway (11) is provided with collection mechanism, collection mechanism includes connecting plate (3), connecting plate (3) fixed connection is at the lower surface of conveying passageway (11), spout (31) have been seted up to the inboard of connecting plate (3), the inboard swing joint of spout (31) has slider (32), the one end fixedly connected with collection box (33) of spout (31) are kept away from to slider (32), the inboard swing joint of connecting plate (3) has positive and negative screw rod (34), the surface of connecting plate (3) is provided with second motor (35), the output fixed connection of positive and negative screw rod (34) and second motor (35), the surface threaded connection of positive and negative screw rod (34) has inserted block (36), second slot (37) have been seted up on the surface of slider (32), the fixed surface of connecting plate (3) is connected with gag lever post (38).

6. The large-inclination-angle pneumatic conveying mineral aggregate screening device according to claim 5, wherein: the collecting box (33) is movably connected with the sliding groove (31) through the sliding block (32), the inserting block (36) is movably connected with the surface of the positive and negative screw rod (34) in two groups, the second inserting groove (37) is correspondingly connected with the sliding block (32) in two groups, and the inserting block (36) is movably connected with the surface of the limiting rod (38).