Screening equipment for mining

Abstract

The utility model belongs to the technical field of mining equipment, and provides screening equipment for mining, which comprises a support frame, a screening mechanism and a driving mechanism are arranged on one side of the support frame, the driving mechanism is used for driving the screening mechanism to reciprocate, and the screening mechanism is used for screening ores; the screening mechanism comprises a first screen frame and a second screen frame, the first screen frame is located over the second screen frame, screen holes of the first screen frame are larger than screen holes of the second screen frame, and the first screen frame and the second screen frame are fixedly connected through a connecting plate. And pulleys are arranged at four corners of the bottom of the second screen frame. The design of the first screen frame and the second screen frame is adopted, the first screen frame is located over the second screen frame, and the screen holes of the first screen frame are larger than the screen holes of the second screen frame, so that the screening efficiency can be effectively improved, ores can be screened more carefully among different screens, and the screening quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mining equipment technical field, especially relate to a screening equipment for mining. BACKGROUND

[0002] The operator often uses the screening equipment for mining of ore screening when processing ore, so that the ore can be divided into different size specifications for subsequent processing, and the existing screening equipment for mining of ore screening has basic sorting function in actual use, but there are many problems in use:

[0003] 1. The continuous direct impact of ore on the screen mesh side wall will cause the screen mesh to be easily deformed and damaged, and the service life is short.

[0004] 2. The inclination angle of the screen mesh is not adjustable, and the fixed inclination angle is not suitable for screening of different materials, resulting in low screening efficiency. Different particle size and size materials require different screen mesh inclination angles to achieve the best screening effect. For ore, the fixed inclination angle may cause the screen mesh to be easily blocked, affecting the production process.

[0005] Therefore, it is necessary to design a screening equipment for mining to solve the above technical problems. SUMMARY

[0006] The utility model discloses to solve above technical problem, propose a kind of screening equipment for mining, using first screen mesh frame, second screen mesh frame design, first screen mesh frame is located in second screen mesh frame directly above, and the screen hole of first screen mesh frame is greater than the screen hole of second screen mesh frame, this design can effectively improve screening efficiency, so that ore is more detailed screening between different screen meshes, to improve screening quality.

[0007] The technical scheme of the utility model is:

[0008] A kind of screening equipment for mining, comprising:

[0009] Support frame, the support frame one side is provided with screening mechanism, drive mechanism, the drive mechanism is used to drive the screening mechanism reciprocating motion, the screening mechanism is used for screening ore;

[0010] The screening mechanism includes first screen mesh frame and second screen mesh frame, the first screen mesh frame is located directly above the second screen mesh frame, the screen hole of the first screen mesh frame is greater than the screen hole of the second screen mesh frame, the first screen mesh frame and the second screen mesh frame are fixedly connected by connecting plate, the second screen mesh frame bottom four corners are provided with pulley;

[0011] Adjusting mechanism, the adjusting mechanism includes for adjusting the distance between the screening mechanism and horizontal ground;

[0012] A first damping unit cooperates with the first screen frame, and a second damping unit cooperates with the second screen frame.

[0013] Preferably, the adjusting mechanism comprises two slide tracks arranged at equal intervals and two groups of telescopic assemblies, each group of telescopic assemblies comprises a first telescopic cylinder and a second telescopic cylinder, the fixed ends of the first telescopic cylinder and the second telescopic cylinder are fixedly connected with the support frame, the telescopic ends of the first telescopic cylinder and the second telescopic cylinder are hingedly connected with the bottom of the slide track, and the top of the slide track is slidingly connected with the pulley.

[0014] Preferably, the first damping unit comprises a first damping frame located in the first screen frame, the second damping unit comprises a second damping frame located in the second screen frame, and springs are arranged between the first damping frame and the first screen frame and between the first damping frame and the second screen frame.

[0015] Preferably, the driving mechanism comprises a first motor connected with the support frame, a first pulley fixedly connected coaxially with an output shaft of the first motor, a second pulley located directly above the first pulley, a rotating shaft fixedly connected coaxially with the second pulley, a cam fixedly connected with one end of the rotating shaft, and a connecting piece, the connecting piece comprises two swing cylinders and a bidirectional threaded rod located between the two swing cylinders, one of the swing cylinders is rotationally connected with the end of the cam, the other swing cylinder is rotationally connected with one side of the second screen frame, the threads of the two ends of the bidirectional threaded rod are opposite in direction, and the two ends of the bidirectional threaded rod are respectively threadedly connected with the two swing cylinders.

[0016] Preferably, the top of the support frame is provided with fixing seats, and the two fixing seats are rotationally connected with the rotating shaft.

[0017] Compared with the prior art, the utility model has the advantages and effects as follows:

[0018] (1) the first screen frame, the second screen frame design, the first screen frame is located directly above the second screen frame, and the screen hole of the first screen frame is larger than the screen hole of the second screen frame, this design can effectively improve the screening efficiency, so that the ore is more carefully screened between different screens, thereby improving the screening quality.

[0019] (2) The adjusting mechanism is provided with two slide rails arranged at equal intervals and two groups of telescopic components, so that the position of the screening mechanism can be adjusted, different granularity and size of ores can be adapted, and the adaptability of screening is improved;

[0020] (3) The first damping unit and the second damping unit are provided, vibration during ore screening can be reduced, the screen is protected, damping is performed through extension and contraction of the spring, and the service life of the screen is prolonged;

[0021] (4) The two ends of the bidirectional threaded rod are provided with threads in opposite directions, the overall length of the bidirectional threaded rod and the two swing cylinders is facilitated, and the reciprocating degree of the first screen frame and the second screen frame sliding on the slide rail is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a schematic diagram of the overall structure of the utility model Figure 1 ;

[0023] Figure 2 is a schematic diagram of the overall structure of the utility model Figure 2 ;

[0024] Figure 3 is a schematic diagram of the overall structure of the utility model Figure 1 ;

[0025] Figure 4 is a schematic diagram of the overall structure of the utility model Figure 1 ;

[0026] Figure 5 is a schematic diagram of the overall structure of the utility model Figure 2 .

[0027] Fig. 1 is a schematic diagram of the overall structure of the utility model DETAILED DESCRIPTION

[0028] In order to make the person skilled in the art better understand the utility model, the utility model will be further described in combination with specific embodiments.

[0029] Embodiment 1

[0030] As shown in the drawings, the utility model provides a screening equipment for mining, which comprises: Figures 1 to 5

[0031] ​The support frame 1 is provided with a screening mechanism and a driving mechanism on one side, the driving mechanism is used for driving the screening mechanism to reciprocate, and the screening mechanism is used for screening ore;

[0032] The screening mechanism comprises a first screen frame 2 and a second screen frame 20, the first screen frame 2 is located directly above the second screen frame 20, the screen hole of the first screen frame 2 is larger than that of the second screen frame 20, the first screen frame 2 and the second screen frame 20 are fixedly connected through a connecting plate 21, and pulleys 23 are arranged at four corners of the bottom of the second screen frame 20.

[0033] The adjusting mechanism comprises a first screen frame 2 and a second screen frame 20, the first screen frame 2 is located directly above the second screen frame 20, the screen hole of the first screen frame 2 is larger than that of the second screen frame 20, the first screen frame 2 and the second screen frame 20 are fixedly connected through a connecting plate 21, and pulleys 23 are arranged at four corners of the bottom of the second screen frame 20.

[0034] The adjusting mechanism comprises a first screen frame 2 and a second screen frame 20, the first screen frame 2 is located directly above the second screen frame 20, the screen hole of the first screen frame 2 is larger than that of the second screen frame 20, the first screen frame 2 and the second screen frame 20 are fixedly connected through a connecting plate 21, and pulleys 23 are arranged at four corners of the bottom of the second screen frame 20. The support frame 1 provides a stable structural basis, the screen hole of the first screen frame 2 is larger than that of the second screen frame 20, the screening efficiency and quality are improved, the driving mechanism enhances the screening speed and effect of the ore and the first screen frame 2 and the second screen frame 20 through the reciprocating movement of the screening mechanism, the adjusting mechanism can adapt to ore of different particle sizes and sizes by adjusting the angle between the screening mechanism and the horizontal ground, the screening process is optimized, the screen is prevented from being blocked, the screening efficiency is improved, and the first damping unit and the second damping unit respectively damp the first screen frame 2 and the second screen frame 20, thereby prolonging the service life of the first screen frame 2 and the second screen frame 20.

[0035] The adjusting mechanism comprises two slideways 3 arranged at equal intervals and two groups of telescopic assemblies, each group of telescopic assemblies comprises a first telescopic cylinder 31 and a second telescopic cylinder 32, the fixed ends of the first telescopic cylinder 31 and the second telescopic cylinder 32 are fixedly connected with the support frame 1, the telescopic ends of the first telescopic cylinder 31 and the second telescopic cylinder 32 are hingedly connected with the bottom of the slideway 3, and the top of the slideway 3 is slidably connected with the pulley 23. By adjusting the telescopic lengths of the first telescopic cylinder 31 and the second telescopic cylinder 32, the angle between the slideway 3 and the horizontal ground is adjusted, the screening process is further optimized, the first screen frame 2 and the second screen frame 20 are prevented from being blocked, and the screening efficiency is improved.

[0036] The first damping unit comprises a first damping frame 4 located in the first screen frame 2, and the second damping unit comprises a second damping frame 5 located in the second screen frame 20. A plurality of springs (not shown in the figure) are arranged between the first damping frame 4 and the first screen frame 2 and between the first damping frame 4 and the second screen frame 20. The arrangement of the springs between the first damping frame 4 and the first screen frame 2 and between the first damping frame 4 and the second screen frame 20 effectively absorbs and reduces the impact of the ore on the first screen frame 2 and the second screen frame 20, especially when processing larger or harder ore, reducing the damage to the first screen frame 2 and the second screen frame 20, and further improving the service life of the device.

[0037] The driving mechanism comprises a first motor 6 connected to the support frame 1, a first pulley 60 coaxially fixedly connected to the output shaft of the first motor 6, a second pulley 600 located directly above the first pulley 60, a rotating shaft 61 coaxially fixedly connected to the second pulley 600, a cam 62 fixedly connected to one end of the rotating shaft 61, and a connecting piece. The connecting piece comprises two swing cylinders 7 and a bidirectional threaded rod 70 located between the two swing cylinders 7. One of the swing cylinders 7 is rotatably connected to the end of the cam 62, and the other swing cylinder 7 is rotatably connected to one side of the second screen frame 20. The threads on the two ends of the bidirectional threaded rod 70 run in opposite directions, and the two ends of the bidirectional threaded rod 70 are threadedly connected to the two swing cylinders 7, respectively.

[0038] The top of the support frame 1 is provided with two fixed seats 10 rotatably connected to the rotating shaft 61.

[0039] Working principle:

[0040] The ore is first loaded onto the first screen frame 2. The angle between the two chutes 3 and the horizontal ground is adjusted by adjusting the height of the first telescopic cylinder 31 and the second telescopic cylinder 32. The operator can adjust the position of the screening mechanism according to the particle size and size of the ore, thereby changing the angle of the screen. This can optimize the screening process, prevent the screen from being blocked, and improve the screening efficiency. The second screen frame 20 has smaller screen holes, further screening the ore, and separating finer ore. During the screening process, the first damping unit 4 and the second damping unit 5 absorb and reduce the direct impact of the ore on the first screen frame 2 and the second screen frame 20 through the extension and contraction of the springs, thereby improving the service life of the device. The driving mechanism drives the first pulley 60 to rotate through the first motor 6, the first pulley 60 drives the second pulley 600 to rotate, the second pulley 600 drives the rotating shaft 61 to rotate, and then drives the cam 62 to rotate, thereby driving the connecting piece to move. The design of the bidirectional threaded rod 70 allows the sliding reciprocation of the first screen frame 2 and the second screen frame 20 on the chutes 3 to be adjustable, further optimizing the screening process.

[0041] The above are only preferred embodiments of the present application, and do not limit the patent scope of the present application, and any equivalent changes and modifications made within the scope of the present application shall still fall within the scope of the present application.

Claims

1. A screening device for mining, characterized in that, Include: Support frame (1), one side of the support frame (1) is provided with a screening mechanism, a driving mechanism, the driving mechanism is used for driving the screening mechanism reciprocating motion, the screening mechanism is used for screening ore; The screening mechanism includes a first screen frame (2) and a second screen frame (20), the first screen frame (2) is located directly above the second screen frame (20), the screen hole of the first screen frame (2) is larger than the screen hole of the second screen frame (20), the first screen frame (2) and the second screen frame (20) are fixedly connected through the connecting plate (21), the second screen frame (20) bottom four corners are provided with pulleys (23); Adjusting mechanism, the adjusting mechanism includes a mechanism for adjusting the angle of the screening mechanism and the horizontal ground; First damping unit and second damping unit, the first damping unit cooperates with the first screen frame (2), the second damping unit cooperates with the second screen frame (20).

2. A screening apparatus for mining according to claim 1, characterised in that: The adjusting mechanism includes two slide ways (3) arranged at equal intervals and two groups of telescopic components, the slide way (3) is provided with a group of telescopic components below, each group of telescopic components includes a first telescopic cylinder (31), a second telescopic cylinder (32), the fixed end of the first telescopic cylinder (31), the fixed end of the second telescopic cylinder (32) and the support frame (1) are fixedly connected, the telescopic end of the first telescopic cylinder (31), the telescopic end of the second telescopic cylinder (32) and the bottom of the slide way (3) are hinged, the top of the slide way (3) and the pulley (23) are slidably connected.

3. A screening apparatus for mining according to claim 2, characterised in that: The first damping unit includes a first damping frame (4), the first damping frame (4) is located in the first screen frame (2), the second damping unit includes a second damping frame (5), the second damping frame (5) is located in the second screen frame (20), the first damping frame (4) and the first screen frame (2), the first damping frame (4) and the second screen frame (20) are provided with springs, the spring is provided with a plurality of, a plurality of springs are arranged uniformly between the first damping frame (4) and the first screen frame (2), the first damping frame (4) and the second screen frame (20).

4. A screening apparatus for mining according to claim 3, characterised in that: The driving mechanism comprises a first motor (6) connected with the support frame (1), a first belt pulley (60) fixedly connected coaxially with an output shaft of the first motor (6), a second belt pulley (600) located directly above the first belt pulley (60), a rotating shaft (61) fixedly connected coaxially with the second belt pulley (600), a cam (62) fixedly connected with one end of the rotating shaft (61), and a connecting piece comprising two swing cylinders (7) and a bidirectional threaded rod (70) located between the two swing cylinders (7), one of the swing cylinders (7) being rotatably connected with an end of the cam (62), the other swing cylinder (7) being rotatably connected with one side of the second screen frame (20), the threads of the bidirectional threaded rod (70) at two ends being opposite in direction, and the two ends of the bidirectional threaded rod (70) being respectively threadedly connected with the two swing cylinders (7).

5. A screening apparatus for use in mining according to claim 4, characterised in that: The support frame (1) is provided at the top with fixed seats (10), and the two fixed seats (10) are rotatably connected with the rotating shaft (61).

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