Ore screening device for mining

Abstract

The ore screening device for mining comprises a box body, the surface of the box body is fixedly connected with a feeding hopper, a plurality of screening assemblies are installed in the box body, and each screening assembly is connected with a transmission assembly. The screening assembly comprises a screening frame, a screen and a guide plate, and a discharge port is formed in the side wall of the box body; one end of the screening frame is hinged to the side wall of the box body, and the screening frame is located in the discharging opening; a screen is fixedly mounted in the screening frame; a material guiding table is arranged in the box body, and a discharging opening is fixedly connected to the bottom face of the material guiding table and extends to the bottom of the box body. The screening assemblies are arranged in a layered mode, and the apertures of screen holes of the screen are sequentially reduced from top to bottom. The ore screening device has the advantages of being reasonable in structural design, low in machining and manufacturing cost, convenient and fast to operate, capable of conducting grading screening on ore, capable of improving screening efficiency, easy to clean and capable of guaranteeing safe and reliable operation.

Description

Technical Field

[0001] The utility model relates to the technical field of ore screening, in particular to an ore screening device for mining. Background Art

[0002] Ore refers to a mineral aggregate from which useful components can be extracted or which has certain properties that can be utilized. It can be divided into metallic minerals and non-metallic minerals. With the continuous development of the mining industry, ores are divided into different grades according to different parameters such as particle size and composition after being mined, especially particle size is an important criterion for measuring ore.

[0003] Most of the ore screening devices in the prior art can only perform single-stage screening operations, which cannot meet actual needs and reduce practicality. This often requires multiple screening operations at different levels, which increases the workload, is time-consuming and labor-intensive, and reduces work efficiency. Moreover, in the existing screening devices, the ore is easily stuck in the screen, causing blockage, which is not conducive to the normal operation of the subsequent screening process.

[0004] The publication number is: CN114653575A, and the name is: a kind of anti-blocking rotary screening device, which specifically includes a frame and a screen drum, a vibrating assembly located in the screen drum is also provided on the fixed shaft, the vibrating assembly includes a vibrating sleeve and a vibrating frame, the vibrating sleeve is sleeved on the fixed shaft and can move left and right along the fixed shaft, the vibrating frame includes a central cylinder and a radial guide cylinder, an impact assembly is installed in the radial guide cylinder, the impact assembly includes an impact hammer and an impact reset spring, the inner end of the impact hammer is fixedly connected to the vibrating sleeve through a wire rope; a driving flange is also installed on the inner side of the screen drum cover of the screen drum, a spiral boss and a reset groove are provided in the driving flange, a convex block is provided at the end of the vibrating sleeve, and a reset compression spring located between the screen drum cover and the vibrating sleeve is also sleeved on the fixed shaft; the present application can effectively avoid the blockage of the screen holes on the side wall of the screen drum by arranging the vibrating assembly located in the screen drum on the fixed shaft, so that the anti-blocking rotary screening device can be reliably used for the refined screening operation of small batch experimental ingredients in cement production. Utility Model Content

[0005] The utility model aims to provide an ore screening device for mining which has reasonable structural design, low processing and manufacturing cost, convenient operation, can grade and screen ore, improve screening efficiency, is easy to clean, and ensures safe and reliable operation.

[0006] The utility model discloses an ore screening device for mining, comprising a box body, a feed hopper is fixedly connected to the surface of the box body, a plurality of screening components are installed in the box body, each screening component is connected to a transmission component; the screening component comprises a screening frame, a screen and a material guide plate, and a side wall of the box body is provided with a material discharge port; one end of the screening frame is hinged to the side wall of the box body, and the screening frame is located in the material discharge port; the screen is fixedly installed in the screening frame; a material guide platform is provided in the box body, and a material discharge port is fixedly connected to the bottom surface of the material guide platform, and the material discharge port extends to the bottom of the box body.

[0007] The screening components are arranged in layers, and the apertures of the screen mesh decrease from top to bottom.

[0008] The screening components are arranged in layers to screen the ore at different levels. The aperture of the screen decreases from top to bottom, so that the ore smaller than the corresponding aperture can pass through the screen holes and fall onto the screen below, and the ore larger than the corresponding aperture will roll to the lower discharge port; the screening is more targeted, efficient, and time-saving and labor-saving.

[0009] The transmission assembly includes a motor, a round rod, a round plate and a transmission rod. The outer wall of the box is fixedly mounted with a mounting plate, the motor is fixedly mounted on the mounting plate, the output end of the motor is fixedly connected with a round rod, the round rod passes through the box, one end of the round rod is fixedly connected with a round plate, the outer wall of the round plate is eccentrically connected with a cylinder, the cylinder passes through one end of the transmission rod and is rotatably arranged, and the bottom end of the transmission rod is hinged on the screening frame.

[0010] The transmission assembly can drive the screening frame for screening. The motor provides power, and the round rod drives the transmission rod, which drives the screening frame to vibrate up and down to achieve ore screening. The transmission is flexible and the operation is safe and reliable.

[0011] A connecting rod is connected between the screening frames, and two ends of the connecting rod are respectively hingedly connected to the corresponding screening frames.

[0012] The arranged connecting rod can drive the connected screening frame to vibrate simultaneously, and the vibration effect is good.

[0013] The material guide plate is fixedly arranged on the outer side wall of the box body, the material guide plate is arranged in an inclined manner, and the material guide plate is arranged in coordination with the material discharge port.

[0014] The guide plate is arranged in coordination with the discharge port, so that the ore flowing out of the discharge port is smoother and the guide effect is good.

[0015] A cleaning assembly is provided at the bottom of the screening assembly, and the cleaning assembly includes a long rod and a hammer. A through hole is penetrated through a side wall of one side of the box body, and the long rod penetrates the through hole and is hinged to the side wall of the box body; a hammer is fixedly installed at one end of the long rod, and the hammer is located at the bottom of the screen, and a handle is fixedly connected to the other end of the long rod.

[0016] The hammer head can be pressed back and forth by the handle, and the long rod can be used to drive the corresponding hammer head to rotate up and down, knocking the corresponding screen, knocking out the ore stuck in the screen, and preventing the ore from clogging the screen.

[0017] A plurality of limit blocks are fixedly arranged on the inner side wall of the box body, and the limit blocks limit the long rods.

[0018] The set limit block plays a role in limiting the long rod to avoid interfering with the vibration of multiple screens.

[0019] A plurality of supporting legs are fixedly mounted on the bottom surface of the box body, and supporting columns are fixedly connected between the supporting legs.

[0020] Beneficial effects of the utility model:

[0021] 1) The screening components are arranged in layers to screen the ore at different levels. The aperture of the screen decreases from top to bottom, so that the ore smaller than the corresponding aperture can pass through the screen hole and fall onto the screen below, and the ore larger than the corresponding aperture will roll down to the discharge port at a lower position; the screening is more targeted, efficient, and time-saving and labor-saving.

[0022] 2) The transmission assembly can drive the screening frame for screening. The motor provides power, and the round rod drives the transmission rod, which drives the screening frame to vibrate up and down to achieve ore screening. The transmission is flexible and the operation is safe and reliable.

[0023] 3) The hammer head can be set by pressing the handle back and forth, and the long rod can be used to drive the corresponding hammer head to rotate up and down, knocking the corresponding screen, knocking out the ore stuck in the screen, and preventing the ore from clogging the screen.

[0024] 4) The structure is designed reasonably, the processing and manufacturing cost is low, and the operation is convenient. It can grade and screen the ore, improve the screening efficiency, and is easy to clean, ensuring safe and reliable operation. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0026] Figure 2 It is a cross-sectional view of the utility model;

[0027] Figure 3 It is a structural schematic diagram of the screening frame in the utility model;

[0028] Figure 4 for Figure 2 A local enlarged schematic diagram of the middle A;

[0029] Figure 5 This is a schematic diagram of the connection structure of the motor in the utility model;

[0030] Figure 6 for Figure 2 A local enlarged schematic diagram of point B in the middle.

[0031] In the figure: box body 1, feed hopper 2, screening frame 3, screen 4, discharge port 5, guide plate 6, connecting rod 7, motor 8, round rod 9, round plate 10, transmission rod 11, through hole 12, long rod 13, hammer head 14, limit block 15, handle 16, guide platform 17, discharge port 18, support leg 19. DETAILED DESCRIPTION

[0032] Example 1.

[0033] The following will be combined with the attached Figure 1-5 The utility model is further described.

[0034] The utility model includes a box body 1, a feed hopper 2, a screening frame 3, a screen 4, a discharge port 5, a connecting rod 7, a motor 8, a round rod 9, a round plate 10, a transmission rod 11, a through hole 12, a long rod 13, a hammer head 14, a handle 16, a guide platform 17, and a discharge port 18. The specific structure includes a box body 1, a feed hopper 2 is fixedly connected to the surface of the box body 1, a plurality of screening components are installed in the box body 1, and a transmission component is connected to each screening component; the screening component includes a screening frame 3, a screen 4 and a guide plate 6, and a side wall of the box body 1 is provided with a discharge port 5; one end of the screening frame 3 is hinged to the side wall of the box body 1, and the screening frame 3 is located in the discharge port 5; the screen 4 is fixedly installed in the screening frame 3; a guide platform 17 is provided in the box body 1, and the bottom surface of the guide platform 17 is fixedly connected to the discharge port 18, and the discharge port 18 extends to the bottom of the box body 1.

[0035] The screening components are arranged in layers, and the apertures of the screen mesh 4 decrease from top to bottom.

[0036] The screening components are arranged in three groups.

[0037] The transmission assembly includes a motor 8, a round rod 9, a circular plate 10 and a transmission rod 11. A mounting plate is fixedly installed on the outer wall of the box body 1, and the motor 8 is fixedly installed on the mounting plate. The output end of the motor 8 is fixedly connected to the round rod 9, which passes through the box body 1. One end of the round rod 9 is fixedly connected to the circular plate 10. The outer wall of the circular plate 10 is eccentrically connected to a cylinder, which passes through one end of the transmission rod 11 and is rotatably arranged. The bottom end of the transmission rod 11 is hinged on the screening frame 3.

[0038] A connecting rod 7 is connected between the screening frames 3 , and both ends of the connecting rod 7 are respectively hingedly connected to the corresponding screening frames 3 .

[0039] A cleaning assembly is provided at the bottom of the screening assembly, and the cleaning assembly includes a long rod 13 and a hammer 14. A through hole 12 is penetrated through the side wall of one side of the box body 1. The long rod 13 penetrates the through hole 12 and is hinged to the side wall of the box body 1; a hammer 14 is fixedly installed at one end of the long rod 13, and the hammer 14 is located at the bottom of the screen 4. A handle 16 is fixedly connected to the other end of the long rod 13.

[0040] When in use: the staff first turns on the motor 8, and then pours the ore from the feed hopper 2 onto the screen 4 in the box 1. At this time, the motor 8 drives the circular plate 10 to rotate through the round rod 9, and the circular plate 10 drives the corresponding screening frame 3 to vibrate up and down through the transmission rod 11. The screening frame 3 drives three screening frames 3 to shake at the same time through multiple connecting rods 7. The three screening frames 3 drive the corresponding screen 4 to vibrate, and the ore is vibrated for screening. The ore larger than the corresponding sieve hole will be shaken into the corresponding discharge port 5, and the ore will be discharged. The ore smaller than the corresponding sieve hole will fall on the screen 4 below, and a finer screening operation will be continued. The multi-stage screening operation is performed in sequence, and the ore screened to the smallest will be discharged from the discharge port 18 under the guidance of the guide table 17;

[0041] The staff observes through the glass window. If there is ore stuck on the screen 4 and cannot be shaken out, they can use the corresponding handle 16 to rotate the corresponding long rod 13, so that the corresponding hammer head 14 hits the corresponding screen 4 to knock out the ore, thereby preventing the ore from clogging the screen 4.

[0042] Example

[0043] The utility model includes a box body 1, a feed hopper 2, a screening frame 3, a screen 4, a discharge port 5, a guide plate 6, a connecting rod 7, a motor 8, a round rod 9, a round plate 10, a transmission rod 11, a through hole 12, a long rod 13, a hammer head 14, a limit block 15, a handle 16, a guide platform 17, a discharge port 18, and a support leg 19. The specific structure includes a box body 1, a feed hopper 2 is fixedly connected to the surface of the box body 1, a plurality of screening components are installed in the box body 1, and a transmission component is connected to each screening component; the screening component includes a screening frame 3, a screen 4 and a guide plate 6, and a side wall of the box body 1 is provided with a discharge port 5; one end of the screening frame 3 is hinged to the side wall of the box body 1, and the screening frame 3 is located in the discharge port 5; the screen 4 is fixedly installed in the screening frame 3; a guide platform 17 is provided in the box body 1, and the bottom surface of the guide platform 17 is fixedly connected to the discharge port 18, and the discharge port 18 extends to the bottom of the box body 1.

[0044] The screening components are arranged in layers, and the apertures of the screen mesh 4 decrease from top to bottom.

[0045] The screening components are arranged in three groups.

[0046] The transmission assembly includes a motor 8, a round rod 9, a circular plate 10 and a transmission rod 11. A mounting plate is fixedly installed on the outer wall of the box body 1, and the motor 8 is fixedly installed on the mounting plate. The output end of the motor 8 is fixedly connected to the round rod 9, which passes through the box body 1. One end of the round rod 9 is fixedly connected to the circular plate 10. The outer wall of the circular plate 10 is eccentrically connected to a cylinder, which passes through one end of the transmission rod 11 and is rotatably arranged. The bottom end of the transmission rod 11 is hinged on the screening frame 3.

[0047] A connecting rod 7 is connected between the screening frames 3 , and both ends of the connecting rod 7 are respectively hingedly connected to the corresponding screening frames 3 .

[0048] The material guide plate 6 is fixedly arranged on the outer side wall of the box body 1 , the material guide plate 6 is arranged in an inclined manner, and the material guide plate 6 is arranged in coordination with the material discharge port 5 .

[0049] A cleaning assembly is provided at the bottom of the screening assembly, and the cleaning assembly includes a long rod 13 and a hammer 14. A through hole 12 is penetrated through the side wall of one side of the box body 1. The long rod 13 penetrates the through hole 12 and is hinged to the side wall of the box body 1; a hammer 14 is fixedly installed at one end of the long rod 13, and the hammer 14 is located at the bottom of the screen 4. A handle 16 is fixedly connected to the other end of the long rod 13.

[0050] A plurality of limit blocks 15 are fixedly disposed on the inner side wall of the box body 1 , and the limit blocks 15 limit the long rod 13 .

[0051] A plurality of supporting legs 19 are fixedly mounted on the bottom surface of the box body 1 , and supporting columns are fixedly connected between the supporting legs 19 .

[0052] When in use: the staff first turns on the motor 8, and then pours the ore from the feed hopper 2 onto the screen 4 in the box 1. At this time, the motor 8 drives the circular plate 10 to rotate through the round rod 9, and the circular plate 10 drives the corresponding screening frame 3 to vibrate up and down through the transmission rod 11. The screening frame 3 drives three screening frames 3 to shake at the same time through multiple connecting rods 7. The three screening frames 3 drive the corresponding screen 4 to vibrate, and the ore is vibrated for screening. The ore larger than the corresponding sieve hole will be shaken into the corresponding discharge port 5, and then discharged through the corresponding guide plate 6. The ore smaller than the corresponding sieve hole will fall on the screen 4 below, and continue to perform finer screening operations. Perform multi-stage screening operations in sequence, and the ore screened to the smallest will be discharged from the discharge port 18 under the guidance of the guide table 17;

[0053] The staff observes through the glass window. If there is ore stuck on the screen 4 and cannot be shaken out, they can use the corresponding handle 16 to rotate the corresponding long rod 13, so that the corresponding hammer head 14 hits the corresponding screen 4 to knock out the ore, thereby preventing the ore from clogging the screen 4.

[0054] The limit block 15 is provided to limit the long rod 13 to avoid interfering with the vibration of the multiple screens 4.

Claims

1. An ore screening device for mining, comprising a housing (1), a feed hopper (2) being fixedly connected to the surface of the housing (1), characterized in that: A plurality of screening assemblies are installed in the box body (1), each of which is connected to a transmission assembly; the screening assemblies include a screening frame (3), a screen (4) and a material guide plate (6), and a side wall of the box body (1) is provided with a material discharge port (5); one end of the screening frame (3) is hinged to the side wall of the box body (1), and the screening frame (3) is located in the material discharge port (5); a screen (4) is fixedly installed in the screening frame (3); a material guide platform (17) is provided in the box body (1), and a material discharge port (18) is fixedly connected to the bottom surface of the material guide platform (17), and the material discharge port (18) extends to the bottom of the box body (1).

2. An ore screening device for mining according to claim 1, characterized in that: The screening components are arranged in layers, and the apertures of the screen meshes (4) decrease from top to bottom.

3. An ore screening device for mining as claimed in claim 2, characterized in that: The transmission assembly comprises a motor (8), a round rod (9), a round plate (10) and a transmission rod (11); a mounting plate is fixedly mounted on the outer side wall of the box body (1); the motor (8) is fixedly mounted on the mounting plate; an output end of the motor (8) is fixedly connected to the round rod (9); the round rod (9) passes through the box body (1); one end of the round rod (9) is fixedly connected to the round plate (10); the outer side wall of the round plate (10) is eccentrically connected to a cylinder; the cylinder passes through one end of the transmission rod (11) and is rotatably arranged; the bottom end of the transmission rod (11) is hinged on the screening frame (3).

4. An ore screening device for mining as claimed in claim 3, characterized in that: A connecting rod (7) is connected between the screening frames (3), and both ends of the connecting rod (7) are respectively hingedly connected to the corresponding screening frames (3).

5. An ore screening device for mining as claimed in claim 4, characterized in that: The material guide plate (6) is fixedly arranged on the outer side wall of the box body (1), the material guide plate (6) is arranged in an inclined manner, and the material guide plate (6) is arranged in coordination with the material discharge port (5).

6. An ore screening device for mining as claimed in claim 5, characterized in that: A cleaning assembly is provided at the bottom of the screening assembly, the cleaning assembly comprising a long rod (13) and a hammer (14); a through hole (12) is provided through one side wall of the box body (1); the long rod (13) passes through the through hole (12) and is hinged to the side wall of the box body (1); a hammer (14) is fixedly mounted on one end of the long rod (13), the hammer (14) is located at the bottom of the screen (4), and a handle (16) is fixedly connected to the other end of the long rod (13).

7. An ore screening device for mining as claimed in claim 6, characterized in that: A plurality of limit blocks (15) are fixedly arranged on the inner side wall of the box body (1), and the limit blocks (15) limit the long rod (13).

8. An ore screening device for mining as claimed in claim 7, characterized in that: A plurality of support legs (19) are fixedly mounted on the bottom surface of the box body (1), and support columns are fixedly connected between the support legs (19).

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