Coal gangue recovery pretreatment device

Abstract

The utility model discloses a coal gangue recovery pretreatment device which comprises a bottom plate, an annular screening barrel is arranged above the bottom plate, a spiral conveying piece is installed on the inner wall of the annular screening barrel, a matching shaft is installed in the middle in the spiral conveying piece, an annular cover is installed at the left end of the annular screening barrel, a round hole is formed in the middle in the annular cover, and an annular groove is formed in the inner wall of the round hole. A circular plate is rotationally connected into the circular hole, a feeding opening is obliquely formed in the left end of the circular plate, a matching ring is installed on the side face of the circular plate, a bearing is installed on the outer surface of the circular ring cover, a supporting plate is installed at the lower end of the bearing, a rotating mechanism is installed on the outer surface of the circular ring cover, and a transmission mechanism is installed at the upper end of the bearing and matched with the rotating mechanism. And the vibration dredging mechanism is matched with the transmission mechanism. The vibrating plate drives the impact rod to rise and fall in a reciprocating mode to impact the annular screening barrel, coal gangue clamped in meshes of the annular screening barrel is impacted out, smoothness of the annular screening barrel is guaranteed, and the screening effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of coal gangue recovery, specifically relates to a coal gangue recovery pretreatment device. BACKGROUND

[0002] Coal gangue is solid waste discharged in the process of coal mining and coal washing, which can be used to make building materials by being crushed into coal gangue powder material. The coal gangue needs to be pre-screened when being recovered. The existing pretreatment device is prone to clogging the screen hole when screening the coal gangue, affecting the work progress. Therefore, the technical personnel in the art provide a coal gangue recovery pretreatment device to solve the problems raised in the background. SUMMARY

[0003] To solve the above technical problems, the utility model provides a coal gangue recovery pretreatment device, which comprises a bottom plate, an annular screening cylinder is arranged above the bottom plate, a spiral conveying piece is installed on the inner wall of the annular screening cylinder, a matching shaft is installed in the middle of the spiral conveying piece, a circular ring cover is installed at the left end of the annular screening cylinder, a circular hole is formed in the middle of the circular ring cover, an annular groove is formed in the inner wall of the circular hole, a circular plate is rotatably connected inside the circular hole, a feeding port is obliquely installed at the left end of the circular plate, and the feeding port is fixedly connected to the bottom plate;

[0004] A matching ring is installed on the side surface of the circular plate and located in the annular groove, a bearing is installed on the outer surface of the circular ring cover, a support plate is installed at the lower end of the bearing, and the support plate is fixedly connected to the bottom plate, a rotating mechanism is installed on the outer surface of the circular ring cover, a transmission mechanism is installed at the upper end of the bearing, and the transmission mechanism cooperates with the rotating mechanism, a vibration unblocking mechanism is arranged above the annular screening cylinder and cooperates with the transmission mechanism.

[0005] Preferably, a collecting frame one is arranged below the annular screening cylinder, and a collecting frame two is arranged to the right of the collecting frame one.

[0006] Preferably, the rotating mechanism comprises an annular rack and a gear one, the annular rack is fixed on the outer surface of the circular ring cover, the annular rack and the gear one are engaged, a motor is installed at the right end of the gear one, and the motor is fixed in the support plate.

[0007] Preferably, the transmission mechanism comprises a transmission rod and a gear two, the transmission rod is rotatably connected to a support block on the outer surface, the support block is fixedly connected to the bearing, the gear two is installed at the left end of the transmission rod, and the gear two and the annular rack are engaged, a circular block is installed at the right end of the transmission rod, and a plurality of right-angled triangular blocks are installed on the side surface of the circular block.

[0008] Preferably: the vibration dredging mechanism includes a vibration plate and a fixed plate, a plurality of impact rods are installed at the lower end of the vibration plate, a cylinder is installed at the left end of the vibration plate, and the cylinder is located at the upper end of a circular block, a sliding rod is symmetrically installed at the upper end of the vibration plate, the outer surfaces of the two sliding rods are slidably connected with the fixed plate, a stop block is installed at the upper end of the sliding rod, a spring is sleeved on the outer surface of the sliding rod, and the spring is located between the vibration plate and the fixed plate, an L-shaped plate is installed on the side surface of the fixed plate, and the L-shaped plate is fixedly connected with a bearing.

[0009] The technical effects and advantages of the present application are as follows:

[0010] The coal gangue is rolled and screened in the annular screening cylinder, the screened coal gangue falls into the collecting frame one, meanwhile, the coal gangue is conveyed through the spiral conveying piece, the screened coal gangue is discharged from the right end of the annular screening cylinder and falls into the collecting frame two, during the screening work, the vibration plate drives the impact rod to reciprocatingly lift and impact the annular screening cylinder, the coal gangue stuck in the mesh of the annular screening cylinder is impacted and discharged, the smoothness of the annular screening cylinder is ensured, and the screening effect is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 is a structural schematic view of the present application;

[0012] Fig. 2 is a structural schematic view of the annular screening cylinder of the present application;

[0013] Fig. 3 is a structural schematic view of the rotating mechanism and the transmission mechanism of the present application;

[0014] Fig. 4 is a structural schematic view of the charging port of the present application;

[0015] Fig. 5 is a structural schematic view of the vibration dredging mechanism of the present application;

[0016] In the drawings:

[0017] 1, bottom plate; 2, annular screening cylinder; 3, spiral conveying piece; 4, matching shaft; 5, circular ring cover; 6, circular hole; 7, annular groove; 8, circular plate; 9, matching ring;

[0018] 10, charging port; 11, bearing; 12, support plate; 13, rotating mechanism; 14, annular rack; 15, gear one; 16, motor; 17, transmission mechanism; 18, gear two; 19, transmission rod;

[0019] 20, circular block; 21, right-angled triangular block; 22, vibration dredging mechanism; 23, vibration plate; 24, impact rod; 25, cylinder; 26, sliding rod; 27, fixed plate; 28, stop block; 29, spring;

[0020] 30 L-shaped plate; 31 collection frame 1; 32 collection frame 2. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be further described in conjunction with the drawings and specific embodiments. The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application for various embodiments with various modifications as are suited to the particular use contemplated.

[0022] Referring to Figs. 1-5In this embodiment, a coal gangue recovery pretreatment device is provided, which comprises a bottom plate 1, an annular screening cylinder 2 is arranged above the bottom plate 1, a spiral conveying piece 3 is mounted on the inner wall of the annular screening cylinder 2, a matching shaft 4 is mounted in the middle of the spiral conveying piece 3, a circular ring cover 5 is mounted at the left end of the annular screening cylinder 2, a circular hole 6 is formed in the middle of the circular ring cover 5, an annular groove 7 is formed in the inner wall of the circular hole 6, a circular plate 8 is rotatably connected inside the circular hole 6, a feeding opening 10 is obliquely mounted at the left end of the circular plate 8 and is fixedly connected with the bottom plate 1, a matching ring 9 is mounted on the side surface of the circular plate 8 and is located in the annular groove 7, a bearing 11 is mounted on the outer surface of the circular ring cover 5, a supporting plate 12 is mounted at the lower end of the bearing 11 and is fixedly connected with the bottom plate 1, a rotating mechanism 13 is mounted on the outer surface of the circular ring cover 5, the rotating mechanism 13 comprises an annular rack 14 and a gear one 15, the annular rack 14 is fixed on the outer surface of the circular ring cover 5, the annular rack 14 is engaged with the gear one 15, a motor 16 is mounted at the right end of the gear one 15 and is fixed in the supporting plate 12, a transmission mechanism 17 is mounted at the upper end of the bearing 11 and is matched with the rotating mechanism 13, the transmission mechanism 17 comprises a transmission rod 19 and a gear two 18, the transmission rod 19 is rotatably connected with a supporting block on the outer surface and is fixedly connected with the bearing 11, the gear two 18 is mounted at the left end of the transmission rod 19 and is engaged with the annular rack 14, a circular block 20 is mounted at the right end of the transmission rod 19, a plurality of right-angled triangular blocks 21 are mounted on the side surface of the circular block 20, a vibration dredging mechanism 22 is arranged above the annular screening cylinder 2 and is matched with the transmission mechanism 17, the vibration dredging mechanism 22 comprises a vibration plate 23 and a fixed plate 27, a plurality of impact rods 24 are mounted at the lower end of the vibration plate 23, a cylinder 25 is mounted at the left end of the vibration plate 23 and is located at the upper end of the circular block 20, a sliding rod 26 is symmetrically mounted at the upper end of the vibration plate 23, the outer surfaces of the two sliding rods 26 are slidably connected with the fixed plate 27, a stop block 28 is mounted at the upper end of the sliding rod 26, a spring 29 is sleeved on the outer surface of the sliding rod 26 and is located between the vibration plate 23 and the fixed plate 27, an L-shaped plate 30 is mounted on the side surface of the fixed plate 27 and is fixedly connected with the bearing 11, a collecting frame one 31 is arranged below the annular screening cylinder 2, and a collecting frame two 32 is arranged to the right of the collecting frame one 31.

[0023] The working principle of the utility model is: through the feeding opening 10, the coal gangue is poured into the circular ring cover 5, the coal gangue enters the annular screening cylinder 2, simultaneously, the motor 16 drives the gear one 15 to rotate, the gear one 15 is engaged with the annular rack 14 and drives the circular ring cover 5 to rotate, the circular ring cover 5 drives the annular screening cylinder 2 to rotate, the coal gangue rolls and screens in the annular screening cylinder 2, the screened coal gangue falls into the collecting frame one 31, simultaneously, the annular screening cylinder 2 drives the spiral conveying piece 3 and the matching shaft 4 to rotate, the coal gangue is conveyed through the spiral conveying piece 3, so that the screened coal gangue is discharged through the right end of the annular screening cylinder 2 and falls into the collecting frame two 32.

[0024] In the screening work, the ring rack 14 and the gear two 18 are engaged, the gear two 18 drives the round block 20 to rotate through the transmission rod 19, the round block 20 drives multiple right-angled triangular blocks 21 to rotate, the right-angled triangular blocks 21 push the cylinder 25 to rise through the inclined surface when rotating, the cylinder 25 drives the vibrating plate 23 to rise and compress the spring 29, at the same time, the vibrating plate 23 drives the impact rod 24 to rise, when the inclined surface of the right-angled triangular block 21 rotates away from the cylinder 25, the cylinder 25 suddenly loses the thrust, the vibrating plate 23 is pushed to quickly descend through the spring 29, the vibrating plate 23 drives the impact rod 24 to descend and impact the ring screening cylinder 2, so that the coal gangue stuck in the mesh of the ring screening cylinder 2 is impacted out, the smoothness of the ring screening cylinder 2 is ensured, and the screening effect is ensured.

[0025] Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor should belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, such as without special description and limitation, are implemented according to the conventional means in the art.

Claims

1. A coal gangue recovery and pretreatment device, comprising a bottom plate (1), characterized in that: An annular screening drum (2) is arranged above the bottom plate (1), a spiral conveying piece (3) is installed on the inner wall of the annular screening drum (2), a matching shaft (4) is installed in the middle of the spiral conveying piece (3), a circular ring cover (5) is installed on the left end of the annular screening drum (2), a circular hole (6) is provided in the middle of the circular ring cover (5), an annular groove (7) is provided on the inner wall of the circular hole (6), a circular plate (8) is rotatably connected inside the circular hole (6), a feeding port (10) is obliquely installed on the left end of the circular plate (8), and the feeding port (10) is fixedly connected to the bottom plate (1); A matching ring (9) is installed on the side of the circular plate (8), and the matching ring (9) is located in the annular groove (7). A bearing (11) is installed on the outer surface of the annular cover (5). A support plate (12) is installed at the lower end of the bearing (11), and the support plate (12) is fixedly connected to the bottom plate (1). A rotating mechanism (13) is installed on the outer surface of the annular cover (5). A transmission mechanism (17) is installed at the upper end of the bearing (11), and the transmission mechanism (17) and the rotating mechanism (13) cooperate. A vibration dredging mechanism (22) is arranged above the annular screening drum (2), and the vibration dredging mechanism (22) and the transmission mechanism (17) cooperate.

2. A coal gangue recovery pretreatment device according to claim 1, characterized in that: A collecting frame 1 (31) is provided below the annular screening drum (2), and a collecting frame 2 (32) is provided on the right side of the collecting frame 1 (31).

3. The coal gangue recovery pretreatment device according to claim 1, characterized in that: The rotating mechanism (13) comprises an annular rack (14) and a gear (15), wherein the annular rack (14) is fixed on the outer surface of the annular cover (5), the annular rack (14) and the gear (15) are meshed, a motor (16) is installed at the right end of the gear (15), and the motor (16) is fixed in the support plate (12).

4. The coal gangue recovery pretreatment device according to claim 1, characterized in that: The transmission mechanism (17) includes a transmission rod (19) and a second gear (18). The outer surface of the transmission rod (19) is rotatably connected to a support block, and the support block is fixedly connected to a bearing (11). The left end of the transmission rod (19) is equipped with the second gear (18), and the second gear (18) is meshed with the annular rack (14). The right end of the transmission rod (19) is equipped with a round block (20), and a plurality of right-angled triangle blocks (21) are installed on the side of the round block (20).

5. The coal gangue recovery pretreatment device according to claim 1, characterized in that: The vibration dredging mechanism (22) comprises a vibration plate (23) and a fixed plate (27), wherein a plurality of impact rods (24) are installed at the lower end of the vibration plate (23), a cylinder (25) is installed at the left end of the vibration plate (23), and the cylinder (25) is located at the upper end of the round block (20), a sliding rod (26) is symmetrically installed at the upper end of the vibration plate (23), the outer surfaces of the two sliding rods (26) are slidably connected to the fixed plate (27), a stopper (28) is installed at the upper end of the sliding rod (26), a spring (29) is sleeved on the outer surface of the sliding rod (26), and the spring (29) is located between the vibration plate (23) and the fixed plate (27), an L-shaped plate (30) is installed on the side of the fixed plate (27), and the L-shaped plate (30) is fixedly connected to the bearing (11).

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