Circular vibrating screen for mining

Abstract

The utility model relates to the technical field of circular vibrating screens, and discloses a mining circular vibrating screen which comprises a case, a circular fixing frame is fixedly connected to the interior of the case, an annular screen is fixedly connected to the interior of the circular fixing frame, a motor is fixedly connected to the top end of the case, a rotating shaft is rotatably connected to the interior of the case, and the rotating shaft is fixedly connected to the top end of the case. And the shaft wall of the rotating shaft penetrates through the circular fixing frame, the shaft wall of the rotating shaft is fixedly sleeved with a scraping plate, the scraping plate is arranged on the surface of the annular screen in a sliding mode, a connecting frame is fixedly connected to the side wall of the machine box, and a rotating rod is rotationally connected to the interior of the connecting frame. The output shaft of the motor rotates to drive the rotating shaft and the scraping plate to rotate, accumulated large-particle materials are stirred, screening of the materials is accelerated, and the situation that the follow-up screening effect is affected due to material accumulation is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of circular vibrating screens, in particular to a circular vibrating screen for mining. Background Art

[0002] The vibrating screen for mining is a device used to separate and screen ores and ore powders. It is mainly composed of a vibrator, a screen, a vibrating screen box, etc. The working principle of the vibrating screen for mining is to vibrate the screen box through the exciting force generated by the vibrator, so that the material moves and separates on the screen. After the material enters the screen box, the size of the screen holes is used to separate materials of different particle sizes.

[0003] In the prior art, during the use of a vibrating screen for mining, large particles of material are accumulated on the surface of the vibrating screen after the vibrating screen separates the material. If the large particles are not pushed away in time and are accumulated on the screen of the vibrating screen, the continuous screening effect of the vibrating screen will be affected, the screening efficiency of the vibrating screen will be reduced, and the use of the vibrating screen will be affected. Utility Model Content

[0004] The utility model aims to solve the problem that in the prior art, during the use of the vibrating screen for mining, after the vibrating screen separates the materials, the large particles of the materials are accumulated on the surface of the vibrating screen. If the large particles of the materials are not pushed away in time and are accumulated on the screen of the vibrating screen, the continuous screening effect of the vibrating screen will be affected, the screening efficiency of the vibrating screen will be reduced, and the use of the vibrating screen will be affected. A circular vibrating screen for mining is proposed to solve the problem.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A circular vibrating screen for mining comprises a chassis, a circular fixed frame is fixedly connected to the interior of the chassis, an annular screen is fixedly connected to the interior of the circular fixed frame, a motor is fixedly connected to the top of the chassis, a rotating shaft is rotatably connected to the interior of the chassis, the shaft wall of the rotating shaft passes through the circular fixed frame, a scraper is fixedly sleeved on the shaft wall of the rotating shaft, the scraper is slidably arranged on the surface of the annular screen, a connecting frame is fixedly connected to the side wall of the chassis, a rotating rod is rotatably connected to the interior of the connecting frame, synchronous wheels are fixedly sleeved on the bottom end shaft walls of the rotating shaft and the bottom end shaft walls of the rotating rod, synchronous belts are simultaneously sleeved on the side walls of the two synchronous wheels, and a knocking mechanism is provided on the rod wall of the rotating rod.

[0007] Preferably, the knocking mechanism includes a sector gear, a moving frame, a plurality of teeth and a knocking block, the sector gear is fixedly mounted on the rod wall of the rotating rod, the moving frame is slidably arranged on the inner wall of the connecting frame, the plurality of teeth are respectively fixedly connected to the inner wall of the moving frame and meshing with the sector gear, and the knocking block is fixedly connected to the side wall of the moving frame.

[0008] Preferably, a stabilizing bar is fixedly connected to the side wall of the movable frame, an opening is formed on the inner wall of the connecting frame, a stabilizing groove is formed on the inner wall of the connecting frame located at the opening, and the stabilizing bar is slidably arranged on the inner wall of the connecting frame located at the stabilizing groove.

[0009] Preferably, openings are provided on the side walls of the chassis and the circular fixing frame, and a metal steel plate is fixedly connected to the inner wall of the circular fixing frame located at the opening, and the metal steel plate is arranged in an arc shape.

[0010] Preferably, a sealing rubber ring is fixedly connected to the top side wall of the circular fixing frame, and the side wall of the sealing rubber ring is pressed against the inner wall of the chassis.

[0011] Preferably, an annular groove is formed on the inner wall of the chassis, and a stabilizing block is fixedly connected to one end of the scraper away from the rotating shaft, and the stabilizing block is slidably arranged on the inner wall of the chassis located in the annular groove.

[0012] Compared with the prior art, the utility model provides a circular vibrating screen for mining, which has the following beneficial effects:

[0013] 1. The circular vibrating screen used in mining drives the rotating shaft and scraper to rotate through the output shaft of the motor, which moves the accumulated large particles of materials, speeds up the screening of materials, and prevents the accumulation of materials from affecting the subsequent screening effect.

[0014] 2. The circular vibrating screen used in mining drives the synchronous wheel to rotate by rotating the rotating shaft, and the rotation of the synchronous wheel drives the synchronous belt to move, which drives the synchronous wheel at the bottom of the rotating rod to rotate, so that the rotating rod rotates, and the rotation of the rotating rod drives the sector gear to rotate, and the rotation of the sector gear drives the teeth to move, and the movement of the teeth can drive the moving frame to move back and forth. After the moving frame moves back and forth, it drives the knocking block to knock on the side wall of the circular fixed frame, driving the circular fixed frame to vibrate.

[0015] 3. The circular vibrating screen for mining has a metal steel plate arranged in an arc shape on a circular fixed frame located inside an opening, which can improve the wear resistance of the contact end between the circular fixed frame and the knocking block, while ensuring the transmission vibration effect and increasing the service life of the circular fixed frame. The sealing rubber ring improves the sealing of the circular fixed frame inside the chassis, and the stabilizing block slides along the inner wall of the annular groove to improve the stability of the scraper movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a circular vibrating screen for mining proposed by the utility model;

[0017] Figure 2 for Figure 1 The structural top view of the moving frame in the middle;

[0018] Figure 3for Figure 1 Schematic diagram of the enlarged structure of part A in the middle.

[0019] In the figure: 1 chassis, 2 circular fixed frame, 3 annular screen, 4 motor, 5 rotating shaft, 6 scraper, 7 connecting frame, 8 rotating rod, 9 synchronous wheel, 10 synchronous belt, 11 sector gear, 12 moving frame, 13 teeth, 14 stabilizing bar, 15 knocking block, 16 metal steel plate, 17 sealing rubber ring, 18 stabilizing block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-3 A circular vibrating screen for mining comprises a chassis 1, a circular fixed frame 2 is fixedly connected inside the chassis 1, an annular screen 3 is fixedly connected inside the circular fixed frame 2, a motor 4 is fixedly connected to the top of the chassis 1, a rotating shaft 5 is rotatably connected inside the chassis 1, the shaft wall of the rotating shaft 5 passes through the circular fixed frame 2, a scraper 6 is fixedly sleeved on the shaft wall of the rotating shaft 5, and the scraper 6 is slidably arranged on the surface of the annular screen 3, a connecting frame 7 is fixedly connected to the side wall of the chassis 1, a rotating rod 8 is rotatably connected inside the connecting frame 7, and synchronous wheels 9 are fixedly sleeved on the bottom shaft walls of the rotating shaft 5 and the bottom shaft walls of the rotating rod 8, and synchronous belts 10 are simultaneously sleeved on the side walls of the two synchronous wheels 9.

[0022] A knocking mechanism is provided on the rod wall of the rotating rod 8, and the knocking mechanism includes a fan-shaped gear 11, a moving frame 12, a plurality of teeth 13 and a knocking block 15. The fan-shaped gear 11 is fixedly sleeved on the rod wall of the rotating rod 8, the moving frame 12 is slidably set on the inner wall of the connecting frame 7, the plurality of teeth 13 are respectively fixedly connected to the inner wall of the moving frame 12 and meshing with the fan-shaped gear 11, the knocking block 15 is fixedly connected to the side wall of the moving frame 12, and a stabilizing bar 14 is fixedly connected to the side wall of the moving frame 12, an opening is provided on the inner wall of the connecting frame 7, a stabilizing groove is provided on the inner wall of the connecting frame 7 located at the opening, and the stabilizing bar 14 is slidably set on the inner wall of the connecting frame 7 located at the stabilizing groove.

[0023] When in use, the material is put into the interior of the chassis 1, and the output shaft of the motor 4 rotates to drive the rotating shaft 5 and the scraper 6 to rotate, so that the accumulated large particles of material can be moved to speed up the screening of the material. The rotation of the rotating shaft 5 can drive the synchronous wheel 9 to rotate, and the rotation of the synchronous wheel 9 can drive the synchronous belt 10 to move and drive the synchronous wheel 9 at the bottom of the rotating rod 8 to rotate, so that the rotating rod 8 rotates, and the rotation of the rotating rod 8 drives the sector gear 11 to rotate, and the rotation of the sector gear 11 can drive the teeth 13 to move, and the movement of the teeth 13 can drive the moving frame 12 to move back and forth. After the moving frame 12 moves back and forth, it drives the knocking block 15 to knock on the side wall of the circular fixed frame 2, which can drive the circular fixed frame 2 to vibrate. Keeping the circular fixed frame 2 vibrating can ensure the screening effect, and the stabilizing bar 14 can make the moving frame 12 more stable when sliding along the inner wall of the stabilizing groove.

[0024] In order to increase the service life of the circular fixing frame 2, as Figure 1-3 As shown, openings are provided on the side walls of the chassis 1 and the circular fixed frame 2 at the same time, a metal steel plate 16 is fixedly connected to the inner wall of the circular fixed frame 2 located at the opening, the metal steel plate 16 is arranged in an arc shape, a sealing rubber ring 17 is fixedly connected to the top side wall of the circular fixed frame 2, the side wall of the sealing rubber ring 17 is pressed against the inner wall of the chassis 1, an annular groove is provided on the inner wall of the chassis 1, and a stabilizing block 18 is fixedly connected to the end of the scraper 6 away from the rotating shaft 5, and the stabilizing block 18 is slidably arranged on the inner wall of the chassis 1 located at the annular groove.

[0025] The metal steel plate 16 is arranged inside the opening of the circular fixed frame 2 and is arranged in an arc shape, which can improve the wear resistance of the contact end of the circular fixed frame 2 and the knocking block 15, while ensuring the transmission vibration effect and improving the service life of the circular fixed frame 2. The sealing rubber ring 17 can improve the sealing of the circular fixed frame 2 inside the chassis 1, and the stabilizing block 18 slides along the inner wall of the annular groove, which can improve the stability of the movement of the scraper 6.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A circular vibrating screen for mining, comprising a housing (1), characterized in that: A circular fixed frame (2) is fixedly connected inside the chassis (1), an annular screen (3) is fixedly connected inside the circular fixed frame (2), a motor (4) is fixedly connected at the top of the chassis (1), a rotating shaft (5) is rotatably connected inside the chassis (1), the shaft wall of the rotating shaft (5) passes through the circular fixed frame (2), a scraper (6) is fixedly sleeved on the shaft wall of the rotating shaft (5), and the scraper (6) is slidably arranged on the surface of the annular screen (3), a connecting frame (7) is fixedly connected on the side wall of the chassis (1), a rotating rod (8) is rotatably connected inside the connecting frame (7), synchronous wheels (9) are fixedly sleeved on the bottom shaft walls of the rotating shaft (5) and the bottom shaft walls of the rotating rod (8), synchronous belts (10) are simultaneously sleeved on the side walls of the two synchronous wheels (9), and a knocking mechanism is provided on the rod wall of the rotating rod (8).

2. A circular vibrating screen for mining according to claim 1, characterized in that: The knocking mechanism comprises a sector gear (11), a moving frame (12), a plurality of teeth (13) and a knocking block (15); the sector gear (11) is fixedly sleeved on the rod wall of the rotating rod (8); the moving frame (12) is slidably arranged on the inner wall of the connecting frame (7); the plurality of teeth (13) are respectively fixedly connected to the inner wall of the moving frame (12) and meshed with the sector gear (11); and the knocking block (15) is fixedly connected to the side wall of the moving frame (12).

3. A circular vibrating screen for mining according to claim 2, characterized in that: A stabilizing strip (14) is fixedly connected to the side wall of the movable frame (12); an opening is provided on the inner wall of the connecting frame (7); a stabilizing groove is provided on the inner wall of the connecting frame (7) located at the opening; and the stabilizing strip (14) is slidably arranged on the inner wall of the connecting frame (7) located at the stabilizing groove.

4. A circular vibrating screen for mining according to claim 1, characterized in that: The case (1) and the circular fixing frame (2) are both provided with openings on their side walls, and a metal steel plate (16) is fixedly connected to the inner wall of the circular fixing frame (2) located at the opening, and the metal steel plate (16) is arranged in an arc shape.

5. A circular vibrating screen for mining according to claim 1, characterized in that: A sealing rubber ring (17) is fixedly connected to the top side wall of the circular fixed frame (2), and the side wall of the sealing rubber ring (17) is pressed against the inner wall of the chassis (1).

6. A circular vibrating screen for mining according to claim 1, characterized in that: An annular groove is formed on the inner wall of the chassis (1); one end of the scraper (6) away from the rotating shaft (5) is fixedly connected to a stabilizing block (18); and the stabilizing block (18) is slidably arranged on the inner wall of the chassis (1) located in the annular groove.

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