Screening device for preventing blocking of barium sulfate powder

Abstract

The utility model relates to the technical field of barium sulfate powder processing, in particular to a screening device for preventing blocking of barium sulfate powder, which comprises a screening box, a cleaning assembly is arranged in the screening box and comprises a screening plate slidably connected with the inner wall of the screening box, and the upper end of the screening plate is fixedly connected with two vertical plates distributed left and right and a mounting shell. A first motor is mounted in the mounting shell, the output end of the first motor penetrates through the mounting shell and is fixedly connected with a lead screw, the outer wall of the lead screw is in threaded connection with a sliding block, the lead screw drives the sliding block to move when rotating, the sliding block drives the transverse plate, the springs, the U-shaped frame and the brush roller to rotate when moving, and a certain jacking force effect can be achieved on the brush roller through the multiple springs; the bristles can be inserted into the meshes of the sieve plate and are matched with the shaking assembly to eject powder blocked in the meshes, so that the purposes that the sieve plate does not need to be disassembled, the meshes of the sieve plate are conveniently cleaned in time and the use is convenient are achieved.

Description

Technical Field

[0001] This utility model relates to the field of barium sulfate powder processing technology, specifically to a screening device for preventing barium sulfate powder from clogging. Background Technology

[0002] Barium sulfate is characterized by high purity, fine particle size, and uniform distribution. It possesses excellent properties such as chemical inertness, acid resistance, high temperature resistance, corrosion resistance, high whiteness, high refractive index, and easy dispersibility. It also has strong radiation absorption capabilities. As an extender pigment, it is widely used in various high-grade coatings, paints, inks, and other industries. At the same time, it is also widely used as a filler in plastics, rubber, ceramics, and friction materials. Barium sulfate powder needs to be screened during the processing.

[0003] In existing screening devices, granular powder tends to clump together and clog the mesh of the screen plate inside the screening machine. If not cleaned in time, it will affect the screening efficiency. The existing screen plate structure is relatively simple and does not have an anti-clogging structure. The screen plate needs to be disassembled manually for cleaning, which is inconvenient. Therefore, it is necessary to propose a screening device for barium sulfate powder to prevent clogging and solve the above-mentioned problems. Utility Model Content

[0004] The purpose of this invention is to provide a screening device for preventing clogging of barium sulfate powder, which features that it does not require disassembling the sieve plate, allows for convenient and timely cleaning of the sieve plate mesh, and is easy to use.

[0005] The purpose of this utility model is to provide a screening device for preventing clogging of barium sulfate powder, including a screening box. The screening box has a cleaning assembly inside, comprising a sieve plate slidably connected to the inner wall of the screening box. Two vertical plates and a mounting shell are fixedly connected to the upper end of the sieve plate. A first motor is installed inside the mounting shell. The output end of the first motor passes through the mounting shell and is fixedly connected to a lead screw. The other end of the lead screw is rotatably connected to the vertical plates. A slider is threaded onto the outer wall of the lead screw. A horizontal plate is fixedly connected to the lower end of the slider. Multiple evenly distributed springs are fixedly connected to the lower end of the horizontal plate. A U-shaped frame is fixedly connected to the other end of each spring. A brush roller is rotatably connected inside the U-shaped frame. The brush roller abuts against the sieve plate, and rubber bristles with a diameter smaller than the mesh size of the sieve plate are fixedly connected to the outer wall of the brush roller.

[0006] A shaking component is provided below the sieve plate.

[0007] To facilitate the shaking of the sieve plate, as a preferred embodiment of the screening device for preventing clogging of barium sulfate powder according to this utility model, the shaking component includes a second motor installed at the rear end of the screening box. The output end of the second motor passes through the screening box and is fixedly connected to a rotating rod. Two eccentric rods distributed front and back are fixedly connected to the outer wall of the rotating rod. Two auxiliary blocks distributed front and back are fixedly connected to the lower end face of the sieve plate. The two auxiliary blocks abut against the two eccentric rods respectively.

[0008] To facilitate the rotation of the brush roller, in a preferred embodiment of the screening device for preventing clogging of barium sulfate powder according to this utility model, a third motor is installed at the front end of the U-shaped frame, and the output end of the third motor passes through the U-shaped frame and is fixedly connected to the brush roller.

[0009] To increase the stability of the horizontal plate movement, as a preferred screening device for preventing barium sulfate powder blockage according to this utility model, two vertical rods are fixedly connected to the upper end face of the U-shaped frame, and the vertical rods pass through the horizontal plate and are slidably connected to the horizontal plate.

[0010] To increase the stability of the slider movement, as a preferred embodiment of the screening device for preventing clogging of barium sulfate powder according to this utility model, a limiting rod is fixedly connected between the vertical plate and the mounting shell, and the limiting rod is slidably connected to the slider.

[0011] To assist in the shaking of the sieve plate, as a preferred screening device for preventing clogging of barium sulfate powder according to this utility model, two symmetrically distributed support rods are fixedly connected inside the screening box. Multiple second springs are fixedly connected to the upper end of the support rods, and the other end of the second springs is fixedly connected to the sieve plate.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] This invention utilizes a third motor to drive the brush roller to rotate, followed by the activation of a first motor to drive the lead screw to rotate. The rotation of the lead screw drives the slider to move, which in turn drives the horizontal plate, springs, U-shaped frame, and brush roller to move. Multiple springs exert a certain pushing force on the brush roller, allowing the brush bristles to insert into the mesh of the sieve plate. This, combined with a shaking component, pushes out the powder clogging the mesh, achieving the goal of convenient and timely cleaning of the sieve plate mesh without disassembling it, making it easy to use. Attached Figure Description

[0014] Figure 1 This is an overall structural diagram of the present invention;

[0015] Figure 2 This is a structural diagram of the internal structure of the screening box of this utility model;

[0016] Figure 3 This is a top view of the cleaning component of this utility model.

[0017] In the diagram: 1. Screening box; 2. Screen plate; 3. Mounting shell; 4. First motor; 5. Lead screw; 6. Limiting rod; 7. Sliding block; 8. Horizontal plate; 9. Spring; 10. U-shaped frame; 11. Third motor; 12. Brush roller; 13. Rotating rod; 14. Vertical rod; 15. Vertical plate; 16. Second spring; 17. Support rod; 18. Second motor; 19. Eccentric rod; 20. Auxiliary block. Detailed Implementation

[0018] Please see Figures 1 to 3 A screening device for preventing clogging of barium sulfate powder includes a screening box 1. A cleaning assembly is installed inside the screening box 1. The cleaning assembly includes a screen plate 2 slidably connected to the inner wall of the screening box 1. Two vertical plates 15 distributed laterally are fixedly connected to the upper end of the screen plate 2, along with a mounting shell 3. A first motor 4 is installed inside the mounting shell 3. The output end of the first motor 4 passes through the mounting shell 3 and is fixedly connected to a lead screw 5. The other end of the lead screw 5 is rotatably connected to the vertical plates 15. A slider 7 is threadedly connected to the outer wall of the lead screw 5. A horizontal plate 8 is fixedly connected to the lower end of the slider 7. Multiple evenly distributed springs 9 are fixedly connected to the lower end of the horizontal plate 8. A U-shaped frame 10 is fixedly connected to the other end of the multiple springs 9. A brush roller 12 is rotatably connected inside the U-shaped frame 10. The brush roller 12 abuts against the screen plate 2. Rubber bristles with a diameter smaller than the mesh size of the screen plate 2 are fixedly connected to the outer wall of the brush roller 12.

[0019] A shaking component is installed below the sieve plate 2.

[0020] In this embodiment: when the mesh is clogged and needs to be cleaned, the third motor 11 is first started to drive the brush roller 12 to rotate, and then the first motor 4 is started to drive the lead screw 5 to rotate. When the lead screw 5 rotates, it drives the slider 7 to move. When the slider 7 moves, it drives the horizontal plate 8, spring 9, U-shaped frame 10 and brush roller 12 to move. The multiple springs 9 can exert a certain pushing force on the brush roller 12, so that the bristles can be inserted into the mesh of the sieve plate 2. Together with the shaking component, the powder clogging the mesh is pushed out, so that the sieve plate 2 can be cleaned in time. Compared with manual cleaning, there is no need to disassemble the sieve plate 2, and the operation is more convenient.

[0021] As a technical optimization of this utility model, the shaking component includes a second motor 18 installed at the rear end of the screening box 1. The output end of the second motor 18 passes through the screening box 1 and is fixedly connected to a rotating rod 13. Two eccentric rods 19 distributed front and back are fixedly connected to the outer wall of the rotating rod 13. Two auxiliary blocks 20 distributed front and back are fixedly connected to the lower end face of the sieve plate 2. The two auxiliary blocks 20 abut against the two eccentric rods 19 respectively.

[0022] In this embodiment: the second motor 18 can drive the rotating rod 13 to rotate, and the rotating rod 13 can drive the eccentric rod 19 to rotate. When the eccentric rod 19 rotates, it hits the auxiliary block 20, causing the sieve plate 2 to shake, which can help the cleaning component clean the powder blocking the mesh of the sieve plate 2.

[0023] As a technical optimization of this utility model, a third motor 11 is installed at the front end of the U-shaped frame 10, and the output end of the third motor 11 passes through the U-shaped frame 10 and is fixedly connected to the brush roller 12.

[0024] In this embodiment, the brush roller 12 can be driven to rotate by the third motor 11.

[0025] As a technical optimization of this utility model, two vertical rods 14 are fixedly connected to the upper end face of the U-shaped frame 10, and the vertical rods 14 pass through the horizontal plate 8 and are slidably connected to the horizontal plate 8.

[0026] In this embodiment, the stability of the movement of the horizontal plate 8 can be increased by passing through the vertical rod 14 and slidingly connecting it to the horizontal plate 8.

[0027] As a technical optimization of this utility model, a limiting rod 6 is fixedly connected between the vertical plate 15 and the mounting shell 3, and the limiting rod 6 is slidably connected to the slider 7.

[0028] In this embodiment, the slider 7 is slidably connected to the limiting rod 6, which can prevent the slider 7 from rotating axially.

[0029] As a technical optimization of this utility model, the screening box 1 has two symmetrically distributed support rods 17 fixedly connected inside. The upper end of the support rods 17 is fixedly connected to a plurality of second springs 16, and the other end of the second springs 16 is fixedly connected to the sieve plate 2.

[0030] In this embodiment, the second spring 16 can assist the screen plate 2 in shaking.

[0031] Working principle: When the mesh is clogged and needs cleaning, the third motor 11 is first started to drive the brush roller 12 to rotate. Then, the first motor 4 is started to drive the lead screw 5 to rotate. When the lead screw 5 rotates, it drives the slider 7 to move. When the slider 7 moves, it drives the horizontal plate 8, spring 9, U-shaped frame 10 and brush roller 12 to move. The multiple springs 9 can exert a certain pushing force on the brush roller 12, so that the bristles can be inserted into the mesh of the sieve plate 2, thereby pushing out the powder clogging the mesh. At the same time, the second motor 18 is started to drive the rotating rod 13 to rotate. The rotation of the rotating rod 13 can drive the eccentric rod 19 to rotate. When the eccentric rod 19 rotates, it hits the auxiliary block 20, causing the sieve plate 2 to shake. This can further shake off the powder inside the mesh, thereby cleaning the sieve plate 2 in time.

[0032] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A screening device for preventing clogging of barium sulfate powder, comprising a screening box (1), characterized in that: The screening box (1) is equipped with a cleaning assembly, which includes a screen plate (2) that is slidably connected to the inner wall of the screening box (1). The upper end of the screen plate (2) is fixedly connected to two vertical plates (15) distributed on the left and right and a mounting shell (3). The mounting shell (3) is equipped with a first motor (4). The output end of the first motor (4) passes through the mounting shell (3) and is fixedly connected to a lead screw (5). The other end of the lead screw (5) is rotatably connected to the vertical plate (15). The outer wall of the lead screw (5) is threadedly connected to a slider (7). The lower end of the slider (7) is fixedly connected to a horizontal plate (8). The lower end face of the horizontal plate (8) is fixedly connected to a plurality of evenly distributed springs (9). The other end of the plurality of springs (9) is fixedly connected to a U-shaped frame (10). The brush roller (12) is rotatably connected inside the U-shaped frame (10). The brush roller (12) abuts against the sieve plate (2). The outer wall of the brush roller (12) is fixedly connected with rubber bristles with a diameter smaller than the mesh of the sieve plate (2). A shaking component is provided below the sieve plate (2).

2. The screening device for preventing clogging of barium sulfate powder according to claim 1, characterized in that: The shaking assembly includes a second motor (18) installed at the rear end of the screening box (1). The output end of the second motor (18) passes through the screening box (1) and is fixedly connected to a rotating rod (13). Two eccentric rods (19) distributed front and back are fixedly connected to the outer wall of the rotating rod (13). Two auxiliary blocks (20) distributed front and back are fixedly connected to the lower end face of the sieve plate (2). The two auxiliary blocks (20) abut against the two eccentric rods (19) respectively.

3. The screening device for preventing clogging of barium sulfate powder according to claim 1, characterized in that: A third motor (11) is installed at the front end of the U-shaped frame (10). The output end of the third motor (11) passes through the U-shaped frame (10) and is fixedly connected to the brush roller (12).

4. A screening device for preventing clogging of barium sulfate powder according to claim 1, characterized in that: Two vertical rods (14) are fixedly connected to the upper end face of the U-shaped frame (10). The vertical rods (14) pass through the horizontal plate (8) and are slidably connected to the horizontal plate (8).

5. A screening device for preventing clogging of barium sulfate powder according to claim 1, characterized in that: A limiting rod (6) is fixedly connected between the vertical plate (15) and the mounting shell (3), and the limiting rod (6) is slidably connected to the slider (7).

6. A screening device for preventing clogging of barium sulfate powder according to claim 1, characterized in that: The screening box (1) has two symmetrically distributed support rods (17) fixedly connected inside. The upper end of the support rods (17) is fixedly connected to a plurality of second springs (16), and the other end of the second springs (16) is fixedly connected to the sieve plate (2).

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