CN219683281U

CN219683281U - Multilayer coal mine screening device for coal mining

Info

Publication number: CN219683281U
Application number: CN202321173238.5U
Authority: CN
Inventors: 王正伟; 段春雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-09-15
Anticipated expiration: 2033-05-16

Abstract

The utility model discloses a multi-layer coal mine screening device for coal mine exploitation, which comprises a screening box, a supporting column, a feed hopper and a discharge hole, wherein the supporting column is fixedly connected to the position of the four-angle edge part of the bottom of the screening box, the feed hopper is fixedly connected to the middle part of the top of the screening box, the discharge hole is arranged in the middle of the bottom of the screening box, the top of the inner side wall of the screening box is fixedly connected with a first sieve plate, the multi-layer coal mine screening device is used for coal mine exploitation, when the multi-layer coal mine screening device is used for coal mine exploitation, a rotating shaft is driven to rotate through the rotation of a servo motor, a rotating rod is driven to rotate, a connecting column is driven to rotate, a square frame is extruded, the square frame is stably and reciprocally moved through the cooperation of a clamping block and a clamping groove, so that a sliding block is driven to reciprocally move a scraper, the coal mine at the tops of the first sieve plate and the second sieve plate is prevented from being shut down and cleaned, and the discharge is more convenient.

Description

Multilayer coal mine screening device for coal mining

Technical Field

The utility model relates to the technical field of coal mining screening, in particular to a multi-layer coal mine screening device for coal mine exploitation.

Background

The coal mine is an area for mining coal resources in a mining area rich in coal, is generally divided into an underground coal mine and an open pit coal mine, when a coal seam is far away from the ground surface, coal is generally selected to be mined into an underground mining roadway, the underground coal mine is generally selected to be directly stripped from the ground surface soil layer to mine the coal when the distance between the coal seam and the ground surface is very short, the open pit coal mine is the open pit coal mine, most of the coal mines in China belong to the underground coal mine, and the originally mined coal mine is large in size and inconvenient to produce and process, so that the coal mine needs to be crushed and screened in the mining process, and the coal is reduced in size and is convenient to transport, such as multi-layer coal mine screening equipment for mining is disclosed in Chinese patent, and the application number is: 202020400573.4, this patent can make the continuous vibration of first screening net, and the better of being convenient for screens the coal cinder, can screen the coal cinder many times, and the screening volume is littleer to the screening effect has been improved.

But the device filters the back to the colliery, and the colliery after the screening is piled up on first screening net and screening net easily to cause first screening net and second screening net to block up, thereby make and shut down the clearance, lead to screening inefficiency, for this reason we propose a colliery exploitation and use multilayer colliery sieving mechanism.

Disclosure of Invention

The utility model aims to provide a multi-layer coal mine screening device for coal mine exploitation, which aims to solve the problems that after coal mines are screened by the device in the background technology, the screened coal mines are easily accumulated on a first screening net and a screening net, so that the first screening net and a second screening net are blocked, and shutdown cleaning is required, and the screening efficiency is low.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a multilayer colliery sieving mechanism for coal mining, includes screening case, support column, feeder hopper and discharge gate, support column fixed connection in screening case bottom four corner limit portion position department, feeder hopper fixed connection in screening case top middle part, the discharge gate set up in screening case bottom middle part, screening case inside wall top fixedly connected with first sieve, screening case inside wall bottom fixedly connected with second sieve, and be located first sieve bottom, screening case inner chamber front and back side is located first sieve bottom with the equal fixedly connected with vibrating motor in second sieve bottom, screening case left and right sides is located first sieve with discharge gate has been run through in second sieve top position department, screening case inner chamber fixedly connected with discharge mechanism, discharge mechanism includes draw-in groove, fixture block, gyratory frame, servo motor, pivot, dwang, spliced pole, spout, slider and scraper blade, screening case front side top and bottom are equipped with the draw-in groove, draw-in groove inside slip joint has the fixture block, the front side fixedly connected with pivot, the side is connected with the pivot fixedly connected with front and back side, the side is connected with the pivot, the side is connected with the front and the pivot, the side is connected with the output shaft, the side is connected with the front and is connected with the slide.

As a further description of the above technical solution:

the vibrating motor and the input end of the servo motor are electrically connected with the output end of an external power supply, and the rotating shaft penetrates through and is rotatably connected to the front side and the rear side of the screening box.

As a further description of the above technical solution:

the opposite sides of the sliding blocks at the front part are fixedly connected with the left side and the right side of the square frame, and the scraping plates at the top and the bottom are respectively attached to the tops of the first sieve plate and the second sieve plate.

As a further description of the above technical solution:

the connecting column is located inside the square frame and the front end of the connecting column is fixedly connected with a baffle.

As a further description of the above technical solution:

the utility model discloses a dust removal mechanism of screening case top control side fixedly connected with, dust removal mechanism includes collecting box, collection steamer tray, filter screen, connecting pipe, dust collecting hood and aspirator pump, screening case control side top fixedly connected with collecting box, the inside sliding connection of collecting box has the collection steamer tray, collecting steamer tray bottom fixedly connected with filter screen, collecting box opposite side middle part fixedly connected with connecting pipe, just the connecting pipe runs through screening case control side to fixedly connected with dust collecting hood, collecting box bottom middle part fixedly connected with aspirator pump.

As a further description of the above technical solution:

the input end of the suction pump is electrically connected with the output end of an external power supply, the suction pipe of the suction pump penetrates through the middle of the bottom of the collection box, and the middle of the front side of the collection drawer is fixedly connected with a handle.

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

1. this multilayer colliery sieving mechanism is used in colliery exploitation, when the screening, through servo motor's rotation, drive the pivot and rotate, make the dwang rotate, drive the spliced pole and rotate, extrude the back type frame, utilize the cooperation of fixture block and draw-in groove, make back type frame stable reciprocating motion to drive the slider and remove, make scraper blade reciprocating motion, shift out the colliery at first sieve and second sieve top, avoid the jam, prevent to shut down the clearance, make the ejection of compact more convenient.

2. This multilayer colliery sieving mechanism for coal mining produces the negative pressure through the start-up of aspirator pump, makes the inside dust of screening case get into the connecting pipe through the dust cage, falls into the collecting box inside, makes it stay inside the collection steamer tray through the separation of filter screen to avoid the dust to spill over, the guarantee environment is clean and tidy, prevents harm personnel's health, also is convenient for carry out centralized processing to dust piece simultaneously.

Drawings

FIG. 1 is a schematic diagram of a multi-layer coal mine screening device for coal mining;

FIG. 2 is a schematic structural diagram of a multi-layer coal mine screening device for coal mining according to the present utility model;

FIG. 3 is a schematic structural diagram of a multi-layer coal mine screening device for coal mining according to the present utility model;

fig. 4 is a schematic structural diagram of a multi-layer coal mine screening device for coal mining.

In the figure: 100. a screening box; 110. a first screen plate; 120. a second screen plate; 130. a vibration motor; 140. a discharge port; 200. a support column; 300. a feed hopper; 400. a discharge port; 500. a discharging mechanism; 510. a clamping groove; 520. a clamping block; 530. a mold frame; 540. a servo motor; 550. a rotating shaft; 560. a rotating lever; 570. a connecting column; 580. a chute; 590. a slide block; 591. a scraper; 600. a dust removing mechanism; 610. a collection box; 620. a collection drawer; 630. a filter screen; 640. a connecting pipe; 650. a dust collection cover; 660. and a getter pump.

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.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model provides a multi-layer coal mine screening device for coal mining, which avoids blockage, prevents shutdown and cleaning, enables discharging to be more convenient, and referring to fig. 1-4, and comprises a screening box 100, a support column 200, a feed hopper 300 and a discharge hole 400;

referring again to fig. 1, the screening box 100 is used for installing and opening a support column 200, a feed hopper 300 and a discharge port 400;

referring to fig. 1 again, the support columns 200 are fixedly connected to the four corners and the edges of the bottom of the screening box 100 for supporting the device, the feed hopper 300 is fixedly connected to the middle of the top of the screening box 100 for feeding, and the discharge port 400 is formed in the middle of the bottom of the screening box 100 for final discharging;

referring to fig. 2 again, a first screen plate 110 is fixedly connected to the top of the inner side wall of the screening box 100, a second screen plate 120 is fixedly connected to the bottom of the inner side wall of the screening box 100, and is positioned at the bottom of the first screen plate 110, vibrating motors 130 are fixedly connected to the front and rear sides of the inner cavity of the screening box 100 at the bottom of the first screen plate 110 and the bottom of the second screen plate 120, a discharge opening 140 is formed in the position, on the left and right sides of the screening box 100, of the top of the first screen plate 110 and the second screen plate 120 in a penetrating manner, a discharge mechanism 500 is fixedly connected to the inner cavity of the screening box 100, the discharge mechanism 500 comprises a clamping groove 510, a clamping block 520, a return frame 530, a servo motor 540, a rotating shaft 550, a rotating rod 560, a connecting column 570, a sliding chute 580, a sliding block 590 and a scraping plate 591;

referring to fig. 3 again, a clamping groove 510 is formed in the top and bottom of the front side of the screening box 100, a clamping block 520 is slidably clamped in the clamping groove 510, a square frame 530 is fixedly connected to the front side of the clamping block 520, and a servo motor 540 is fixedly connected to the rear side of the screening box 100;

referring to fig. 3 again, an output shaft end of the servo motor 540 is fixedly connected with a rotating shaft 550, a rotating rod 560 is fixedly connected with a front end of the rotating shaft 550, a connecting column 570 is fixedly connected with a front top of the rotating rod 560, top and bottom parts of the front and rear sides of the screening box 100 penetrate through a chute 580 and are located between the clamping grooves 510, a sliding block 590 is slidably connected inside the chute 580, and a scraping plate 591 is fixedly connected to an opposite side of the sliding block 590.

To sum up, during screening, through the rotation of the servo motor 540, the rotating shaft 550 is driven to rotate, the rotating rod 560 is driven to rotate, the connecting column 570 is driven to rotate, the mold returning frame 530 is extruded, the mold returning frame 530 is enabled to move back and forth stably by utilizing the cooperation of the clamping block 520 and the clamping groove 510, and accordingly the sliding block 590 is driven to move, the scraping plate 591 moves back and forth, coal mines at the tops of the first sieve plate 110 and the second sieve plate 120 are moved out, blocking is avoided, shutdown cleaning is prevented, and discharging is enabled to be more convenient.

Referring to fig. 3 again, the input ends of the vibration motor 130 and the servo motor 540 are electrically connected to the output end of the external power source, and the rotating shaft 550 is rotatably connected to the front and rear sides of the screening box 100.

Referring again to fig. 3, the opposite sides of the front slider 590 are fixedly connected to the left and right sides of the mold frame 530, and the top and bottom scrapers 591 are respectively attached to the top of the first screen plate 110 and the second screen plate 120.

Referring to fig. 3 again, the connecting column 570 is located inside the frame 530 and the front end of the connecting column 570 is fixedly connected with a baffle.

Referring to fig. 4 again, the dust removing mechanism 600 is fixedly connected to the left and right sides of the top of the screening box 100, the dust removing mechanism 600 comprises a collecting box 610, a collecting drawer 620, a filter screen 630, a connecting pipe 640, a dust collecting cover 650 and an air suction pump 660, the collecting box 610 is fixedly connected to the left and right sides of the top of the screening box 100, the collecting drawer 620 is slidably connected to the inside of the collecting box 610, the filter screen 630 is fixedly connected to the bottom of the collecting drawer 620, the connecting pipe 640 is fixedly connected to the middle of the opposite sides of the collecting box 610, the connecting pipe 640 penetrates the left and right sides of the screening box 100, the dust collecting cover 650 is fixedly connected to the connecting pipe 640, and the air suction pump 660 is fixedly connected to the middle of the bottom of the collecting box 610.

Referring to fig. 4 again, an input end of the suction pump 660 is electrically connected to an output end of an external power source, and a suction pipe of the suction pump 660 penetrates through a bottom middle portion of the collection box 610, and a handle is fixedly connected to a front middle portion of the collection drawer 620.

In summary, the negative pressure is generated by the activation of the suction pump 660, so that the dust inside the screening box 100 enters the connecting pipe 640 through the dust collecting cover 650, falls into the collecting box 610, and is kept inside the collecting drawer 620 by the blocking of the filter screen 630, so that the dust is prevented from overflowing, the environment is ensured to be clean, the health of people is prevented from being damaged, and the dust and the debris are also convenient to be intensively treated.

When the screening box is used specifically, when a person skilled in the art sieves, a coal mine falls into the screening box 100 through the feed hopper 300, the first screen plate 110 and the second screen plate 120 vibrate through the starting of the vibration motor 130, so that the coal mine is screened, the servo motor 540 and the suction pump 660 are synchronously started during screening, the rotating shaft 550 is driven to rotate through the rotation of the servo motor 540, the rotating rod 560 is driven to rotate, the connecting column 570 is driven to rotate, the mold-returning frame 530 is extruded, the mold-returning frame 530 is stably and reciprocally moved through the matching of the clamping blocks 520 and the clamping grooves 510, the sliding block 590 is driven to move, the scraping plate 591 reciprocally moves the coal mine at the top of the first screen plate 110 and the second screen plate 120, the blocking is avoided, the dust inside the screening box 100 enters the connecting pipe 640 through the dust collecting cover 650 and falls into the inside of the collecting box 610, the dust is prevented from being left inside the collecting drawer 620 through the blocking of the filter screen 630, and the dust is prevented from overflowing, and the environment is ensured to be neat.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a colliery exploitation is with multilayer colliery sieving mechanism which characterized in that: including screening case (100), support column (200), feeder hopper (300) and discharge gate (400), support column (200) fixedly connected with in screening case (100) bottom four corners limit position department, feeder hopper (300) fixedly connected with in screening case (100) top middle part, discharge gate (400) set up in screening case (100) bottom middle part, screening case (100) inside wall top fixedly connected with first sieve (110), screening case (100) inside wall bottom fixedly connected with second sieve (120), and be located first sieve (110) bottom, screening case (100) inner chamber front and back side is located first sieve (110) bottom with equal fixedly connected with vibrating motor (130) in second sieve (120) bottom, screening case (100) left and right sides is located first sieve (110) with discharge gate (140) have been set up throughout in second sieve (120) top position department, screening case (100) inner chamber fixedly connected with bin outlet (500), discharge gate (500) are including clamping mechanism (520), clamping bracket (550), rotary chute (570) rotary shaft (550), rotary chute (550), clamping grooves (510) are formed in the top and the bottom of the front side of the screening box (100), clamping blocks (520) are connected to the inside of the clamping grooves (510) in a sliding mode, return frames (530) are fixedly connected to the front sides of the clamping blocks (520), servo motors (540) are fixedly connected to the rear sides of the screening box (100), rotating shafts (550) are fixedly connected to the end portions of output shafts of the servo motors (540), rotating rods (560) are fixedly connected to the front ends of the rotating shafts (550), connecting columns (570) are fixedly connected to the top of the front sides of the rotating rods (560), sliding grooves (580) are formed in the top and the bottom of the front sides of the screening box (100) in a penetrating mode, the positions of the top and the bottom of the front sides of the screening box are located between the clamping grooves (510), sliding blocks (590) are fixedly connected to the inside of the sliding grooves (580), and scraping plates (591) are fixedly connected to the opposite sides of the sliding blocks (590).

2. A multi-layer coal mining screening apparatus according to claim 1, wherein: the input ends of the vibration motor (130) and the servo motor (540) are electrically connected with the output end of an external power supply, and the rotating shaft (550) is connected to the front side and the rear side of the screening box (100) in a penetrating and rotating mode.

3. A multi-layer coal mining screening apparatus according to claim 1, wherein: the opposite sides of the sliding blocks (590) at the front part are fixedly connected with the left side and the right side of the square frame (530), and the scraping plates (591) at the top and the bottom are respectively attached to the tops of the first sieve plate (110) and the second sieve plate (120).

4. A multi-layer coal mining screening apparatus according to claim 1, wherein: the connecting column (570) is located at the inner side of the square frame (530) and the front end of the connecting column (570) is fixedly connected with a baffle.

5. A multi-layer coal mining screening apparatus according to claim 1, wherein: the utility model discloses a dust removal mechanism (600) is controlled to screening case (100) top, dust removal mechanism (600) are including collecting box (610), collection steamer tray (620), filter screen (630), connecting pipe (640), dust cage (650) and aspirator pump (660), screening case (100) are controlled lateral side top fixedly connected with collecting box (610), inside sliding connection of collecting box (610) has collection steamer tray (620), fixedly connected with filter screen (630) bottom collecting steamer tray (620), collecting box (610) opposite side middle part fixedly connected with connecting pipe (640), just connecting pipe (640) run through screening case (100) are controlled the side to fixedly connected with dust cage (650), collecting box (610) bottom middle part fixedly connected with aspirator pump (660).

6. The multi-layer coal mining screening device for coal mining according to claim 5, wherein: the input end of the suction pump (660) is electrically connected with the output end of an external power supply, the suction pipe of the suction pump (660) penetrates through the middle of the bottom of the collecting box (610), and the middle of the front side of the collecting drawer (620) is fixedly connected with a handle.