Screening machine for superfine tailing sand experiment

Abstract

The screening machine for the superfine tailing sand experiment comprises an installation frame, a screening box is arranged at the top of the installation frame, a plurality of screening holes are formed in the bottom wall of the screening box in a penetrating mode, a discharging hopper is installed in the installation frame, and a discharging hopper is installed in the discharging hopper. An automatic vibration discharging mechanism for vibrating the discharging hopper to accelerate discharging is arranged on the mounting frame; the automatic vibration discharging mechanism comprises two vertical plates fixed to the mounting frame, and a rotating rod is rotationally connected between the opposite sides of the two vertical plates. According to the screening machine for the superfine tailing sand experiment, through the arrangement of the automatic vibration discharging mechanism, automatic vibration of the discharging hopper is achieved, wet ore sand is prevented from being adhered and accumulated on the discharging hopper, the discharging speed after screening is increased, the automation degree is high, and practicability is very high.

Description

Technical Field

[0001] The utility model relates to the technical field of mineral processing, in particular to a screening machine used for ultra-fine tailings sand experiments. Background Art

[0002] In the field of mineral processing, screening of tailings sand is an important process.

[0003] Referring to the Chinese patent, ore screening device (publication number: CN203917096U, publication date: 2014-11-05), the patent solves the problem that it is difficult to ensure that the conveying direction of the conveyor belt after installation is consistent with the running direction of the material on the screening machine, so that the conveyed ore material is difficult to be evenly distributed on the screen, resulting in a large area of ​​the screen surface being wasted, so that the screening efficiency is reduced and the screening effect is poor. However, during the screening process of the existing ore screening machine, some wet ore is easy to adhere to the discharge hopper, affecting the material discharge speed after screening. In addition, when the ore is screened, dust is easy to appear, causing pollution to the working environment. In this regard, we propose a screening machine for ultra-fine tailings sand experiments to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a screening machine for ultra-fine tailings sand experiments, which solves the problems raised in the background technology.

[0005] To achieve the above purpose, the utility model is implemented by the following technical solutions: a screening machine for ultra-fine tailings sand experiments, comprising a mounting frame, a screening box is arranged on the top of the mounting frame, a plurality of sieve holes are penetrated through the bottom wall of the screening box, a discharging hopper is installed inside the mounting frame, and an automatic vibration discharging mechanism for vibrating the discharging hopper to accelerate the discharging is arranged on the mounting frame;

[0006] The automated vibrating discharge mechanism comprises two vertical plates fixed on a mounting frame, a rotating rod being rotatably connected between opposite sides of the two vertical plates, two cams being fixed on the outer surface of the rotating rod, the raised ends of the two cams being in contact and extruded with the bottom of the discharge hopper, a motor being fixed on one side of one of the vertical plates, and the motor driving the rotating rod to rotate.

[0007] Preferably, an automated shaking screening component for driving the screening box to shake horizontally back and forth is provided on the top of the mounting frame, and the automated shaking screening component includes a second motor fixed on the top of the mounting frame.

[0008] Preferably, a rotating arm is fixed to the output end of the second motor, and a movable rod is rotatably connected to the bottom of the rotating arm.

[0009] Preferably, a connecting plate is fixed to one side of the screening box, one end of the movable rod is rotatably connected to one side of the connecting plate via a rotating shaft, and mounting seats are fixed to both sides of the top of the mounting frame.

[0010] Preferably, a cross bar is fixed on each of the two mounting seats, and a movable seat is slidably connected to the outer surfaces of the two cross bars.

[0011] Preferably, L-shaped plates are fixed on both sides of the screening box, and the bottoms of the two L-shaped plates are fixed to the top of the movable seat.

[0012] Preferably, slots are provided on both sides of the top of the screening box, and a U-shaped shielding plate is provided above the screening box, and the bottom of the U-shaped shielding plate extends to the inside of the slots.

[0013] Beneficial Effects

[0014] The utility model provides a screening machine for ultra-fine tailings sand experiments. Compared with the prior art, it has the following beneficial effects:

[0015] (1) Through the setting of the automatic vibration discharging mechanism, the automatic vibration of the discharging hopper is realized, which avoids the adhesion and accumulation of wet ore sand on the discharging hopper and improves the discharging speed after screening. It has a high degree of automation and is very practical.

[0016] (2) By setting up the automatic shaking screening component, the automatic shaking screening of the tailings sand is realized. By inserting the U-shaped shielding plate into the slot, the dust phenomenon that occurs during the screening of the ore sand can be avoided, thereby avoiding pollution of the surrounding air environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0018] Figure 2 This is a rear view of the external structure of the utility model;

[0019] Figure 3 It is a three-dimensional diagram of the automatic shaking screening assembly of the utility model;

[0020] Figure 4 This is a diagram of the U-shaped baffle and the screening box of the utility model in a separated state.

[0021] In the figure: 1. mounting frame; 2. screening box; 3. screening hole; 4. discharging hopper; 5. automated vibration discharging mechanism; 6. automated shaking screening assembly; 7. slot; 8. U-shaped shielding plate; 51. vertical plate; 52. rotating rod; 53. cam; 54. motor 1; 61. motor 2; 62. rotating arm; 63. movable rod; 64. connecting plate; 65. mounting seat; 66. cross bar; 67. movable seat; 68. L-shaped plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides two technical solutions: specifically including the following embodiments:

[0024] Example 1

[0025] See also Figure 1-Figure 2 A screening machine for ultra-fine tailings sand experiments, comprising a mounting frame 1, a screening box 2 is arranged on the top of the mounting frame 1, a plurality of screening holes 3 are penetrated on the bottom wall of the screening box 2, when the screening box 2 is shaken and screened, large particles of tailings sand can be left in the box, and ultra-fine tailings sand that meets the requirements can be screened out, a discharge hopper 4 is installed inside the mounting frame 1, and the ultra-fine tailings sand falls into the discharge hopper 4 after being screened out, slides down, and falls into a collecting device for collection, and an automatic vibration discharge mechanism 5 is arranged on the mounting frame 1 to vibrate the discharge hopper 4 to accelerate the discharge;

[0026] The automated vibrating discharge mechanism 5 includes two vertical plates 51 fixed on the mounting frame 1, a rotating rod 52 is rotatably connected between the opposite sides of the two vertical plates 51, two cams 53 are fixed to the outer surface of the rotating rod 52, the raised ends of the two cams 53 are in contact and extrusion with the bottom of the discharge hopper 4, a motor 54 is fixed to one side of one of the vertical plates 51, the motor 54 drives the rotating rod 52 to rotate, the output end of the motor 54 is fixed to one end of the rotating rod 52 through a coupling, the motor 54 is controlled by an external switch, and is electrically connected to an external power supply.

[0027] By setting the automatic vibration discharging mechanism 5, the automatic vibration of the discharging hopper 4 is realized, which avoids the wet ore sand from sticking and accumulating on the discharging hopper 4, improves the discharging speed after screening, has a high degree of automation, and is very practical.

[0028] Example 2

[0029] Based on Example 1, see Figure 3-Figure 4 As shown, an automated shaking screening component 6 is provided on the top of the mounting frame 1 to drive the screening box 2 to shake horizontally back and forth. The automated shaking screening component 6 includes a motor 2 61 fixed on the top of the mounting frame 1. The motor 2 61 is controlled by an external switch and electrically connected to an external power supply.

[0030] A rotating arm 62 is fixed to the output end of the second motor 61 , and a movable rod 63 is rotatably connected to the bottom of the rotating arm 62 .

[0031] A connecting plate 64 is fixed to one side of the screening box 2 , one end of the movable rod 63 is rotatably connected to one side of the connecting plate 64 via a rotating shaft, and mounting seats 65 are fixed to both sides of the top of the mounting frame 1 .

[0032] A cross bar 66 is fixed on each of the two mounting seats 65 , and a movable seat 67 is slidably connected to the outer surfaces of the two cross bars 66 .

[0033] L-shaped plates 68 are fixed on both sides of the screening box 2, and the bottoms of the two L-shaped plates 68 are fixed to the top of the movable seat 67. The horizontal reciprocating sliding of the movable seat 67 on the cross bar 66 can limit the screening box 2 to ensure that the screening box 2 can only be reciprocated left and right in the horizontal direction.

[0034] Slots 7 are provided on both sides of the top of the screening box 2, and a U-shaped baffle plate 8 is provided above the screening box 2. The U-shaped baffle plate 8 is adapted to the size of the slot 7, and the bottom of the U-shaped baffle plate 8 extends to the inside of the slot 7. After the U-shaped baffle plate 8 is fully inserted into the slot 7, it will cover the top of the screening box 2, which can prevent dust.

[0035] By setting up the automatic shaking screening component 6, the automatic shaking screening of the tailings sand is realized. By inserting the U-shaped baffle plate 8 into the slot 7, the dust phenomenon that occurs during the screening of the ore sand can be avoided, thereby avoiding pollution of the surrounding air environment.

[0036] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0037] During operation, the tailings are poured into the screening box 2, and the motor 2 61 is started, so that the motor 2 61 drives the rotating arm 62 and the movable rod 63 to rotate, and the movable rod 63 drives the screening box 2 to move back and forth left and right, and the screening box 2 drives the L-shaped plates 68 and the movable seat 67 on the front and rear sides to slide left and right, and the left and right shaking is used to screen the tailings, and the screened tailings fall on the discharge hopper 4 and slide down, and the motor 1 54 is started, so that the motor 1 54 drives the rotating rod 52 to rotate, and the rotating rod 52 drives the two cams 53 to rotate, and the raised end of the cam 53 is intermittently contacted and squeezed with the bottom of the discharge hopper 4 to achieve the vibration of the discharge hopper 4, thereby achieving the vibration of the tailings stuck on the discharge hopper 4, accelerating its falling, and avoiding its adhesion to the discharge hopper 4, and after the U-shaped baffle plate 8 is inserted into the slot 7, the screening box 2 can be covered, and dust can be prevented from flying into the air during the shaking and screening process.

[0038] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A screening machine for ultra-fine tailings sand experiments, comprising a mounting frame (1), characterized in that: A screening box (2) is arranged on the top of the mounting frame (1), a plurality of screening holes (3) are formed through the bottom wall of the screening box (2), a discharge hopper (4) is arranged inside the mounting frame (1), and an automatic vibration discharge mechanism (5) is arranged on the mounting frame (1) for vibrating the discharge hopper (4) to accelerate the discharge of materials; The automatic vibrating discharge mechanism (5) comprises two vertical plates (51) fixed on the mounting frame (1), a rotating rod (52) is rotatably connected between the opposite sides of the two vertical plates (51), two cams (53) are fixed on the outer surface of the rotating rod (52), and the raised ends of the two cams (53) are in contact and pressed with the bottom of the discharge hopper (4), and a motor (54) is fixed on one side of one of the vertical plates (51), and the motor (54) drives the rotating rod (52) to rotate.

2. A screening machine for ultra-fine tailings sand experiments according to claim 1, characterized in that: An automated shaking screening component (6) is arranged on the top of the mounting frame (1) to drive the screening box (2) to shake horizontally and reciprocatingly. The automated shaking screening component (6) comprises a second motor (61) fixed on the top of the mounting frame (1).

3. A screening machine for ultra-fine tailings sand experiments according to claim 2, characterized in that: A rotating arm (62) is fixed to the output end of the second motor (61), and a movable rod (63) is rotatably connected to the bottom of the rotating arm (62).

4. A screening machine for ultra-fine tailings sand experiments according to claim 3, characterized in that: A connecting plate (64) is fixed to one side of the screening box (2), one end of the movable rod (63) is rotatably connected to one side of the connecting plate (64) via a rotating shaft, and mounting seats (65) are fixed to both sides of the top of the mounting frame (1).

5. A screening machine for ultra-fine tailings sand experiments according to claim 4, characterized in that: A cross bar (66) is fixed on each of the two mounting seats (65), and a movable seat (67) is slidably connected to the outer surfaces of the two cross bars (66).

6. A screening machine for ultra-fine tailings sand experiments according to claim 5, characterized in that: L-shaped plates (68) are fixed on both sides of the screening box (2), and the bottoms of the two L-shaped plates (68) are fixed to the top of the movable seat (67).

7. The screening machine for ultra-fine tailings sand experiments according to claim 1, characterized in that: Slots (7) are provided on both sides of the top of the screening box (2), a U-shaped shielding plate (8) is provided above the screening box (2), and the bottom of the U-shaped shielding plate (8) extends to the inside of the slots (7).

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