Vibration coal dressing device with anti-blocking function

Abstract

The utility model discloses a vibration coal dressing device with an anti-blocking function, and belongs to the technical field of coal mine transportation. The utility model aims to provide a coal dressing device which is arranged between a chute and a belt conveyor and can effectively prevent blockage and smoothly discharge materials. According to the technical scheme, a feeding pipe is connected to a top plate of a transfer box body, a discharging opening is formed in a bottom plate of the transfer box body, and a plurality of supporting legs are fixed to the bottom of the transfer box body; an annular supporting disc is horizontally fixed to the center of the inner wall of the transfer box body, the screen frame is placed on the supporting disc, a screen is arranged at the bottom of the screen frame, and an open groove allowing the screen frame to enter and exit is formed in one side of the transfer box body. A motor is fixed to the outer side of the top of the transfer box body, two frame bodies are oppositely installed on the inner side of the top of the transfer box body, a baffle is obliquely arranged below the feeding pipe, the upper side of the baffle is hinged to the two frame bodies, the lower side of the baffle abuts against the inner wall of the transfer box body, and a hinge shaft on the upper side of the baffle penetrates out of the transfer box body to be connected with an output shaft of the motor. The buffering device is used for being placed between the chute and the belt conveyor to buffer coal dressing.

Description

Technical Field

[0001] This utility model relates to a vibrating coal preparation device with anti-blocking function, belonging to the field of coal mine transportation technology. Background Technology

[0002] Coal mines are resources extracted and refined from mining areas. They can be divided into shallow open-pit coal mines and deep underground coal mines based on the depth of coal burial. In order to speed up the transportation of coal materials, construction sites often refine larger ores into smaller particles so that they can be loaded and transported by conveyor belts.

[0003] However, in the past, mechanical equipment was directly connected to the belt conveyor via chutes, and the minerals would fall directly onto the surface of the belt. In order to avoid damage to the belt conveyor, an intermediate device was needed to both screen the minerals and reduce the impact force. However, such equipment in the past was often unable to handle a large number of minerals at once, and there was a possibility of jamming or blockage. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a vibrating coal preparation device that is set between the chute and the belt conveyor, which can effectively prevent blockage and achieve smooth material feeding.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a vibrating coal preparation device with anti-blocking function, comprising: a transfer box body, a support plate, a screen frame and a baffle plate, wherein a feeding pipe is connected to the top plate of the transfer box body, a discharge port is provided on the bottom plate of the transfer box body, and multiple support legs are fixed at the bottom of the transfer box body.

[0006] A ring-shaped support plate is horizontally fixed at the center of the inner wall of the transfer box. The screen frame is placed on the support plate, and the bottom of the screen frame is a screen mesh. A slot is opened on one side of the transfer box for the screen frame to enter and exit.

[0007] A motor is fixed to the outer side of the top of the transfer box, and two frames are installed opposite each other on the inner side. A baffle is inclinedly set below the feeding pipe. The upper side of the baffle is hinged to the two frames, and the lower side abuts against the inner wall of the transfer box. The hinge shaft on the upper side of the baffle passes out of the transfer box and is connected to the output shaft of the motor.

[0008] Furthermore, the transfer box is equipped with a crossbeam inside, which is located below the screen frame and fixed at both ends to the inner wall of the transfer box. The cylinder body is installed on the top surface of the crossbeam, and the cylinder rod is connected to the bottom center of the screen through a push block.

[0009] Furthermore, a motor is installed on the bottom surface of the crossbeam, with the motor's output shaft facing downwards and connected to the middle of the rotating rod via a connecting rod. The rotating rod is horizontally positioned at the bottom of the transfer box body.

[0010] Furthermore, grooves are formed in the middle of the top and bottom surfaces of the crossbeam, and the cylinder and motor are respectively installed in the corresponding grooves.

[0011] Furthermore, an indicator rod is fixed on the side of the baffle that is hinged to the frame, and a limit groove is opened on the top plate of the transfer box corresponding to the position of the indicator rod, and the upper end of the indicator rod passes through the limit groove to exit the transfer box.

[0012] Furthermore, a rubber strip is fixed to the lower side of the baffle along its length.

[0013] Furthermore, a solenoid valve is provided at the discharge port.

[0014] Furthermore, the support leg includes a base, a support column, and a vertical column. The support column is vertically fixed on the base, and the vertical column is fitted inside the support column. The upper part of the support column is provided with two opposing round holes. The vertical column has multiple adjustment holes. The bottom of the vertical column is provided with a limit block to prevent it from falling out. The bolt passes through the round holes and one of the adjustment holes and is then tightened by a nut.

[0015] Compared with the prior art, the present invention has the following beneficial effects.

[0016] 1. In this utility model, the opening and closing of the channel inside the transfer box is controlled by the up-and-down movement of the baffle, which realizes batch feeding and avoids excessive coal accumulation in the transfer box and blockage of the discharge port.

[0017] 2. This utility model can adjust the height of the transfer box body by using the support legs at the bottom of the transfer box body, so that the whole body can adapt to belt conveyors of different heights, making it flexible and practical.

[0018] 3. In this utility model, the cylinder and the motor are respectively installed in the grooves on the top and bottom surfaces of the crossbeam. On the one hand, this reduces the overall height and saves space. On the other hand, it can isolate some of the coal dust, thus protecting the cylinder and the motor.

[0019] 4. In this utility model, the rotating rod, driven by the motor, can rotate at the bottom of the transfer box, sweeping the coal passing through the screen into the discharge port, thus improving work efficiency. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of this utility model.

[0022] Figure 2 This is a schematic diagram of the structure of the sieve frame and crossbeam in this utility model.

[0023] Figure 3 This is a schematic diagram of the structure of the baffle in this utility model.

[0024] Figure 4 for Figure 1 A magnified view of a portion of point A in the middle.

[0025] In the diagram: 1 is the transfer box body, 2 is the support plate, 3 is the screen frame, 4 is the baffle, 5 is the feeding pipe, 6 is the discharge port, 7 is the screen mesh, 8 is the slot, 9 is the motor, 10 is the frame, 11 is the crossbeam, 12 is the cylinder, 13 is the push block, 14 is the motor, 15 is the rotating rod, 16 is the indicator rod, 17 is the limit groove, 18 is the rubber strip, 19 is the solenoid valve, 20 is the base, 21 is the support column, 22 is the column, 23 is the round hole, 24 is the adjustment hole, 25 is the limit block, 26 is the bolt, and 27 is the nut. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described in conjunction with the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0027] It should be noted that the structures, proportions, sizes, etc. shown in the accompanying drawings of this specification are only used to complement the content disclosed in the specification for those skilled in the art to understand and read, and are not intended to limit the conditions under which this utility model can be implemented. Therefore, they have no substantial technical significance. Any modification to the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed in this utility model, provided that it does not affect the effects and purposes that this utility model can produce. It should be noted that in this specification, relational terms such as "first" and "second" are only used to distinguish one entity from several other entities, and do not necessarily require or imply any such actual relationship or order between these entities.

[0028] The present invention provides the following embodiments.

[0029] like Figure 1 As shown, the present invention provides a vibrating coal preparation device with anti-blocking function, comprising: a transfer box body 1, a support plate 2, a screen frame 3 and a baffle 4. A feeding pipe 5 is connected to the top plate of the transfer box body 1, a discharge port 6 is provided on the bottom plate of the transfer box body 1, and multiple support legs are fixed at the bottom of the transfer box body 1.

[0030] like Figure 2 As shown, an annular support plate 2 is horizontally fixed at the center of the inner wall of the transfer box 1, the screen frame 3 is placed on the support plate 2, the bottom of the screen frame 3 is a screen mesh 7, and a slot 8 is opened on one side of the transfer box 1 for the screen frame 3 to enter and exit.

[0031] like Figure 3 As shown, a motor 9 is fixed to the outer side of the top of the transfer box 1, and two frames 10 are installed opposite each other on the inner side. A baffle 4 is inclinedly set below the feeding pipe 5. The upper side of the baffle 4 is hinged to the two frames 10, and the lower side abuts against the inner wall of the transfer box 1. The hinge shaft on the upper side of the baffle 4 extends out of the transfer box 1 and is connected to the output shaft of the motor 9. The motor 9 is a geared motor.

[0032] like Figure 2 As shown, a crossbeam 11 is provided inside the transfer box 1. The crossbeam 11 is located below the screen frame 3 and its two ends are fixed to the inner wall of the transfer box 1. The cylinder body of the cylinder 12 is installed on the top surface of the crossbeam 11, and the cylinder rod is connected to the bottom center of the screen 7 through the push block 13.

[0033] A motor 14 is mounted on the bottom surface of the crossbeam 11. The output shaft of the motor 14 faces downward and is connected to the middle of the rotating rod 15 via a connecting rod. The rotating rod 15 is horizontally positioned at the bottom of the transfer box body 1. The rotating rod 15 can be a straight rod or an S-shaped rod that is concave in the direction of rotation.

[0034] The top and bottom surfaces of the crossbeam 11 are both provided with grooves, and the cylinder 12 and the motor 14 are respectively installed in the corresponding grooves.

[0035] like Figure 3 As shown, an indicator rod 16 is fixed on the side of the baffle 4 that is hinged to the frame 10. A limiting groove 17 is opened on the top plate of the transfer box 1 at the position corresponding to the indicator rod 16. The upper end of the indicator rod 16 passes through the limiting groove 17 and extends out of the transfer box 1.

[0036] A rubber strip 18 is fixed along the length of the lower side of the baffle 4.

[0037] A solenoid valve 19 is installed at the discharge port 6.

[0038] like Figure 4 As shown, the support leg includes a base 20, a support column 21, and a column 22. The support column 21 is vertically fixed on the base 20, and the column 22 is fitted inside the support column 21. The upper part of the support column 21 is provided with two opposing round holes 23. The column 22 has multiple adjustment holes 24 along the vertical direction. The bottom of the column 22 is provided with a limit block 25 to prevent it from falling out. The bolt 26 passes through the round hole 23 and one of the adjustment holes 24 and is then tightened by a nut 27.

[0039] The installation process of this utility model is as follows.

[0040] First, design the height of the transfer box 1 that needs to be fixed according to the construction height of the belt conveyor. First, install the four sets of bases 20 on the ground with screws. Then, lift the transfer box 1 and the column 22 vertically along the support column 21. After aligning the round hole 23 with the adjustment hole 24 on the column 22, the bolt 26 can be inserted and the nut 27 can be screwed on to tighten it, so that the discharge port 6 is located above the feeding point of the belt conveyor. Then, connect the bottom of the chute with the top feeding pipe 5. The installation of this utility model is then completed.

[0041] The working principle of this utility model is as follows.

[0042] The motor 9 is periodically turned on, causing the baffle 4 to move up and down inside the transfer box 1. When the rubber strip 18 adheres to the inner wall of the transfer box 1, the channel is closed to stop feeding. After the coal inside the transfer box 1 is discharged from the outlet 6, the baffle 4 is opened again, allowing the coal from the feeding pipe 5 to enter the transfer box 1 for screening and discharge. This achieves batch feeding and avoids excessive coal accumulation inside the transfer box 1, which could block the outlet 6. When the baffle 4 moves up and down, the indicator rod 16 also swings within the limiting groove 17, allowing staff to easily monitor the position of the baffle 4 inside the transfer box 1. When coal falls into the screen frame 3, the cylinder 12 on the crossbeam 11 is activated. The cylinder rod of the cylinder 12 vertically raises and lowers the push block 13, which drives the screen to shake rapidly and screen out larger coal pieces. Smaller pieces pass through the mesh and fall into the bottom of the transfer box 1. When the motor 14 drives the rotating rod 15 to rotate, the coal is swept into the discharge port 6. After the solenoid valve 19 opens, the coal can fall onto the belt conveyor for transportation. When too many large coal particles accumulate in the screen frame 3, the screen frame 3 can be pulled out from the slot 8 to clean out the large coal particles in the screen frame 3.

[0043] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A vibrating coal cleaning device with anti-blocking function, characterized in that Include: The box body (1) of the transfer box, the support disc (2), the screen frame (3) and the baffle (4), the top plate of the box body (1) is connected with the feeding pipe (5), the bottom plate of the box body (1) is provided with the discharge port (6), the bottom of the box body (1) is fixed with a plurality of supporting legs; The annular support disc (2) is horizontally fixed at the center of the inner wall of the box body (1), the screen frame (3) is placed on the support disc (2), the bottom of the screen frame (3) is the screen (7), one side of the box body (1) is provided with a slot (8) for the screen frame (3) to enter and exit; The motor (9) is fixed outside the top of the box body (1), the two frame bodies (10) are installed on the inner side, the baffle (4) is inclinedly arranged below the feeding pipe (5), the upper side of the baffle (4) is hinged on the two frame bodies (10), the lower side is abutted on the inner wall of the box body (1), the hinge shaft of the upper side of the baffle (4) penetrates out of the box body (1) and is connected with the output shaft of the motor (9).

2. The vibrating coal cleaning device with anti-blocking function according to claim 1, characterized in that: The crossbeam (11) is arranged in the box body (1), the crossbeam (11) is below the screen frame (3), the two ends are fixed on the inner wall of the box body (1), the cylinder body of the air cylinder (12) is installed on the top surface of the crossbeam (11), the cylinder rod is connected to the bottom center of the screen (7) through the push block (13).

3. The vibrating coal cleaning device with anti-blocking function according to claim 2, characterized in that: The motor (14) is installed on the bottom surface of the crossbeam (11), the output shaft of the motor (14) faces downward and is connected with the middle part of the rotary rod (15) through the connecting rod, the rotary rod (15) is horizontally arranged at the bottom of the box body (1).

4. The vibrating coal cleaning device with anti-blocking function according to claim 3, characterized in that: The middle part of the top surface and the bottom surface of the crossbeam (11) is provided with a groove, the air cylinder (12) and the motor (14) are respectively installed in the corresponding grooves.

5. The vibrating coal cleaning device with anti-blocking function according to claim 1 or 2 or 3, characterized in that: The indicating rod (16) is fixed on the side of the baffle (4) hinged with the frame body (10), the limiting groove (17) is opened on the top plate of the box body (1) corresponding to the position of the indicating rod (16), the upper end of the indicating rod (16) penetrates out of the box body (1) through the limiting groove (17).

6. The vibrating coal cleaning device with anti-blocking function according to claim 1 or 2 or 3, characterized in that: The rubber strip (18) is fixed on the lower side of the baffle (4) along the length direction.

7. The vibrating coal cleaning device with anti-blocking function according to claim 1 or 2 or 3, characterized in that: The electromagnetic valve (19) is arranged at the discharge port (6).

8. The vibrating coal cleaning device with anti-blocking function according to claim 1, characterized in that: The supporting leg includes the base (20), the support column (21) and the stand column (22), the support column (21) is vertically fixed on the base (20), the stand column (22) is sleeved in the support column (21), the upper part of the support column (21) is provided with two opposite circular holes (23), a plurality of adjusting holes (24) are opened on the stand column (22) along the vertical direction, the bottom of the stand column (22) is provided with the anti-falling limiting block (25), the bolt (26) penetrates through the circular hole (23) and one of the adjusting holes (24) and is fastened through the nut (27).

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