Aluminum hydroxide powder filtering device

Abstract

The utility model is applicable to the technical field of powder filtering, and provides an aluminum hydroxide powder filtering device, a plurality of screens are arranged to be two hinged screen frames, when a lifting mechanism drives the plurality of screens to synchronously move upwards, the two screen frames are oppositely folded under the matching of strip-shaped holes and round rods, and the folded screen frames are obliquely arranged, so that the screen frames are folded, and the efficiency of powder filtering is greatly improved. Aluminum hydroxide powder retained on the screen frame can slide downwards in the inclination direction of the screen frame and is discharged from the discharging opening, and discharging of the powder on the screen is facilitated; and due to the arrangement of the shaking mechanism, when the screen frames are in the horizontal state and the multiple fixing balls on the fixing disc continuously impact the folding positions of the two screen frames, the two screen frames can be driven to shake frequently, and therefore the powder screening efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of powder filtering, in particular to an aluminum hydroxide powder filtering device. Background Art

[0002] In the production process of aluminum hydroxide powder, it is necessary to crush the aluminum hydroxide in block form into powder and sieve the powdered aluminum hydroxide.

[0003] The existing aluminum hydroxide powder filtering device is usually equipped with multiple layers of screens. After the powder is screened, the powder retained on the screen usually needs to be manually unloaded. There are certain defects in its use, which will also affect the working efficiency of the device. Therefore, it is necessary to design corresponding technical solutions to solve the existing technical problems. Utility Model Content

[0004] The purpose of the utility model is to provide an aluminum hydroxide powder filtering device to solve the problems raised in the above background technology.

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

[0006] A device for filtering aluminum hydroxide powder comprises a box body and a multi-layer screen installed in the box body, the top and bottom surfaces of the box body are respectively provided with a feed hopper and a discharge pipe, the screen comprises two symmetrically arranged screen frames, the two screen frames are hingedly connected, and the end faces of the two screen frames are connected to the inner wall of the box body through elastic fabrics, the sides of the two screen frames are symmetrically provided with strip holes, the inner wall of the box body is fixedly provided with round rods that slide with the strip holes, and a discharge port is provided on the side of the box body corresponding to the elastic fabric above, a hatch is installed in the discharge port, and a lifting mechanism is also provided in the box body, and the lifting mechanism is used to provide power for the synchronous upward movement of multiple pairs of screens.

[0007] As a further solution of the utility model: the lifting mechanism includes a winding wheel and multiple connecting ropes, the winding wheel is rotatably installed in the box and driven by a motor, adjacent screens are connected by connecting ropes, and one of the connecting ropes is wound on the winding wheel.

[0008] As a further solution of the utility model: a shaking mechanism is also arranged in the box body, and the shaking mechanism includes a rotating shaft rotatably installed under the multiple screens and a pair of fixed plates fixedly installed on the rotating shaft. The multiple rotating shafts are connected by a sprocket transmission group, one of the rotating shafts is driven by a motor arranged outside the box body, and a plurality of connecting rods are fixedly arranged on the side wall array of the fixed plate, and a fixed ball is installed on the end of the connecting rod, and the rotation trajectory of the fixed ball interferes with the folding trajectory of the screen.

[0009] As a further solution of the utility model: the positions of the rotating shaft and the connecting rope are staggered.

[0010] As a further solution of the utility model: feed ports are symmetrically provided at the bottom of the feed hopper, and a diverter block is fixedly provided between the two feed ports in the feed hopper, and the cross-section of the diverter block is an isosceles trapezoidal structure.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model arranges the screens into two hingedly connected screen frames. When the lifting mechanism drives the multiple screens to move upward synchronously, the two screen frames are relatively folded with the cooperation of the strip holes and the round rods. The folded screen frames are tilted, and the aluminum hydroxide powder retained on the screen frames will slide downward along the tilt direction of the screen frames and be discharged from the discharge port, which is convenient for unloading the powder on the screen.

[0013] 2. The shaking mechanism of the utility model is set up so that when the screen frame is in a horizontal state, multiple fixed balls on the fixed plate can drive the two screen frames to shake frequently when they continuously hit the folded positions of the two screen frames, thereby accelerating the screening efficiency of the device for powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of an aluminum hydroxide powder filtering device;

[0015] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0016] Figure 3 A three-dimensional diagram of a multi-layer screen in an aluminum hydroxide powder filtering device;

[0017] In the figure: 1-box, 2-screen, 3-feed hopper, 4-discharge pipe, 5-screen frame, 6-strip holes, 7-elastic cloth, 8-discharge port, 9-hatch door, 10-winding wheel, 11-connecting rope, 12-rotating shaft, 13-fixed disk, 14-connecting rod, 15-fixed ball, 16-feed port, 17-diverter block. DETAILED DESCRIPTION

[0018] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0019] See also Figure 1-3, an aluminum hydroxide powder filtering device, comprising a box body 1 and a multi-layer screen 2 installed in the box body 1, the top surface and the bottom surface of the box body 1 are respectively provided with a feed hopper 3 and a discharge pipe 4, the screen 2 comprises two symmetrically arranged mesh frames 5, the two mesh frames 5 are hingedly connected, and the end surfaces of the two mesh frames 5 are connected to the inner wall of the box body 1 through an elastic cloth 7, the sides of the two mesh frames 5 are also symmetrically provided with strip holes 6, the inner wall of the box body 1 is fixedly provided with a round rod that slides with the strip holes 6, and the side of the box body 1 is also provided with a discharge port 8 corresponding to the elastic cloth 7 above A hatch 9 is installed in the discharge port 8, and a lifting mechanism is also provided in the box body 1. The lifting mechanism is used to provide power for the synchronous upward movement of multiple pairs of screens 2. The screens 2 are arranged as two hingedly connected screen frames 5. When the lifting mechanism drives multiple screens 2 to move upward synchronously, the two screen frames 5 are folded relative to each other with the cooperation of the bar holes 6 and the round rods. The folded screen frames 5 are tilted, and the aluminum hydroxide powder retained on the screen frames 5 will slide downward along the tilt direction of the screen frames 5 and be discharged from the discharge port 8, which is convenient for unloading the powder on the screens 2.

[0020] Among them, the lifting mechanism includes a winding wheel 10 and multiple connecting ropes 11. The winding wheel 10 is rotatably installed in the box body 1 and driven by a motor. Adjacent screens 2 are connected by connecting ropes 11, and one of the connecting ropes 11 is wound on the winding wheel 10. Specifically, when the winding wheel 10 winds the top connecting rope 11, multiple pairs of screen frames 5 are synchronously flipped upward. When the winding wheel 10 is reset, the screen frame 5 can be reset under the action of the elastic fabric 7 and restored to a horizontal state.

[0021] In addition, a shaking mechanism is also provided in the box body 1, and the shaking mechanism includes a rotating shaft 12 rotatably installed under the multiple screens 2 and a pair of fixed plates 13 fixedly installed on the rotating shaft 12. Specifically, the rotating shaft 12 is rotatably installed in the middle position of the screen 2, and the multiple rotating shafts 12 are connected by a sprocket transmission group. One of the rotating shafts 12 is driven by a motor arranged outside the box body 1, and the side wall array of the fixed plate 13 is fixedly provided with multiple connecting rods 14. Fixed balls 15 are installed at the ends of the connecting rods 14. The rotation trajectory of the fixed balls 15 interferes with the folding trajectory of the screen 2. The shaking mechanism is set, when the screen frame 5 is in a horizontal state, the multiple fixed balls 15 on the fixed plate 13 can drive the two screen frames 5 to shake frequently when they continuously hit the folded positions of the two screen frames 5, thereby accelerating the screening efficiency of the device for powder.

[0022] Furthermore, during the rotation of the rotating shaft 12 , in order to prevent the rotating shaft 12 from repeatedly rubbing against the connecting rope 11 , which would cause the connecting rope 11 to wear out, the rotating shaft 12 and the connecting rope 11 are staggered in the present application.

[0023] Furthermore, when the aluminum hydroxide powder enters the box body 1 through the feed hopper 3, in order to ensure that the powder can be evenly scattered on the two top mesh frames 5, the bottom of the feed hopper 3 in the present application is symmetrically provided with feed ports 16, and a diverter block 17 is fixedly provided between the two feed ports 16 in the feed hopper 3, and the cross-section of the diverter block 17 is an isosceles trapezoidal structure.

[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An aluminum hydroxide powder filtering device, comprising a box (1) and a multi-layer screen (2) installed in the box (1), wherein a feed hopper (3) and a discharge pipe (4) are respectively arranged on the top and bottom surfaces of the box (1), characterized in that: The screen (2) comprises two symmetrically arranged screen frames (5), the two screen frames (5) are hingedly connected, and the end faces of the two screen frames (5) are connected to the inner wall of the box body (1) through elastic fabric (7), and the sides of the two screen frames (5) are symmetrically provided with strip holes (6), the inner wall of the box body (1) is fixedly provided with a round rod that slidably cooperates with the strip holes (6), and the side of the box body (1) is provided with a discharge port (8) corresponding to the elastic fabric (7), and a hatch (9) is installed in the discharge port (8), and a lifting mechanism is also provided in the box body (1), and the lifting mechanism is used to provide power for the synchronous upward movement of multiple pairs of screens (2).

2. The aluminum hydroxide powder filtering device according to claim 1, characterized in that: The lifting mechanism comprises a winding wheel (10) and a plurality of connecting ropes (11); the winding wheel (10) is rotatably mounted in the box body (1) and driven by a motor; adjacent screens (2) are connected by connecting ropes (11), and one of the connecting ropes (11) is wound around the winding wheel (10).

3. The aluminum hydroxide powder filtering device according to claim 2, characterized in that, A shaking mechanism is also provided in the box body (1), and the shaking mechanism comprises a rotating shaft (12) rotatably mounted below the plurality of screens (2) and a pair of fixed disks (13) fixedly mounted on the rotating shaft (12). The plurality of rotating shafts (12) are connected to each other by a sprocket transmission group, one of the rotating shafts (12) is driven by a motor provided outside the box body (1), and a plurality of connecting rods (14) are fixedly arranged in an array on the side wall of the fixed disk (13). A fixed ball (15) is installed at the end of the connecting rod (14), and the rotation trajectory of the fixed ball (15) interferes with the folding trajectory of the screen (2).

4. The aluminum hydroxide powder filtering device according to claim 3, characterized in that: The rotating shaft (12) and the connecting rope (11) are staggered in position.

5. The aluminum hydroxide powder filtering device according to claim 1, characterized in that: The bottom of the feed hopper (3) is symmetrically provided with feed openings (16), and a diverter block (17) is fixedly arranged between the two feed openings (16) in the feed hopper (3), wherein the cross section of the diverter block (17) is an isosceles trapezoidal structure.

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