Magnesium hydroxide screening machine with dust removal function

Abstract

The utility model discloses a magnesium hydroxide screening machine with a dust removal function, which relates to the technical field of magnesium hydroxide screening and comprises a box body, a screening hopper is connected in the box body through a plurality of springs, a vibration motor is fixedly arranged on the screening hopper, and a plurality of screens are arranged on the lower wall of the screening hopper. The bottom of the box body is provided with a material receiving hopper which is located below each screen mesh and below the opening end of the screen hopper, the lowest point of each material receiving hopper is connected with a material discharging pipe, the lower end of each material discharging pipe is provided with a plugging assembly, and the box body is fixedly provided with a filtering box. The dust in the box body can be prevented from diffusing outwards through the feeding hopper or other gaps, the blocking plate can be pressed by the dead weight of magnesium hydroxide particles to move downwards so that the discharging pipe can be opened, the blocking plate can be buckled on the discharging pipe through the dead weight of the balancing weight after discharging is completed, and the discharging effect is improved. Dust is prevented from being discharged through the discharging pipe when magnesium hydroxide particles are not discharged.

Description

Technical Field

[0001] The utility model relates to the technical field of magnesium hydroxide screening, in particular to a magnesium hydroxide screening machine with a dust removal function. Background Art

[0002] Magnesium hydroxide is an inorganic substance, a white amorphous powder or colorless hexagonal crystal particles. The chemical properties of magnesium hydroxide are similar to those of aluminum. Therefore, users begin to use magnesium hydroxide to replace aluminum chloride for fragrance products. It can also be used as an analytical reagent and in the pharmaceutical industry. Magnesium hydroxide is currently widely used.

[0003] When producing magnesium hydroxide, the magnesium hydroxide particles need to be screened. Traditional screening devices will generate a lot of dust during screening, which seriously affects the on-site working environment and is not conducive to the health of on-site workers. Therefore, providing a magnesium hydroxide screening machine with dust removal function is a technical problem that technicians in this field urgently need to solve. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a magnesium hydroxide screening machine with a dust removal function, which solves the technical problem that the existing screening device causes a large amount of dust to diffuse outward during screening.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a magnesium hydroxide screening machine with dust removal function, comprising a box body, a screen bucket connected to the box body through multiple springs, a vibration motor fixedly arranged on the screen bucket, the lower wall of the screen bucket is an inclined surface and one end of the low side is an open end, a plurality of screens are arranged on the lower wall of the screen bucket, a receiving hopper is arranged at the bottom of the box body below each of the screens and below the open end of the screen bucket, a discharge pipe is connected to the lowest point of each receiving hopper, a blocking assembly is arranged at the lower end of the discharge pipe, a feed hopper is fixedly arranged above one end of the upper wall of the box body close to the high side of the screen bucket, a filter box is fixedly arranged on the box body, one side of the filter box is connected to a side of the box body away from the feed hopper through an air suction pipe, the other side of the filter box is connected to an exhaust fan, and a filter is fixedly arranged in the filter box.

[0006] Preferably, the blocking assembly includes a blocking plate, a mounting frame is fixedly provided on the outside of the discharge pipe, a lever is hinged on the mounting frame, the blocking plate is fixedly mounted on the lever, a counterweight block is provided on the lever, and the lever is driven to flip by the deadweight of the counterweight block to buckle the blocking plate on the discharge pipe.

[0007] Preferably, the counterweight block is slidably arranged on the lever, and a screw is screwed on the counterweight block, and the screw is pressed tightly against the lever.

[0008] Preferably, the mesh sizes of the plurality of sieves gradually decrease from the high side end to the low side end of the sieve bucket.

[0009] Preferably, a plurality of guide plates are fixedly arranged on each of the screens.

[0010] Beneficial Effects

[0011] The utility model provides a magnesium hydroxide screening machine with a dust removal function, which has the following beneficial effects: the gas in the box can be extracted by an exhaust fan to form a negative pressure in the box, thereby preventing the dust in the box from diffusing outwards through a feed hopper or other gaps; the dead weight of the magnesium hydroxide particles will press the blocking plate to move downward, thereby opening a discharge pipe; after the discharge is completed, the dead weight of the counterweight block will buckle the blocking plate on the discharge pipe, thereby preventing the dust from being discharged through the discharge pipe when the magnesium hydroxide particles are not discharged; the magnesium hydroxide particles can be screened in multiple stages by arranging a plurality of screens; the flow velocity of the magnesium hydroxide particles on the screen bucket can be reduced by arranging a guide plate, so that the magnesium hydroxide particles stay on the screen for a longer time, thereby improving the screening effect; the force required to flip the blocking plate can be adjusted by changing the position of the counterweight block on the lever. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is the main internal structure diagram of the utility model;

[0013] Figure 2 This is a top view of the internal structure of the utility model;

[0014] Figure 3 for Figure 1 A partial enlarged view of middle A.

[0015] In the figure: 1. Box body; 2. Receiving hopper; 3. Discharge pipe; 4. Spring; 5. Screen bucket; 6. Vibration motor; 7. Feed hopper; 8. Filter box; 9. Filter screen; 10. Suction pipe; 11. Exhaust fan; 12. Mounting frame; 13. Lever; 14. Sealing plate; 15. Counterweight; 16. Screw; 17. Screen; 18. Guide plate. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0017] See also Figure 1-3The utility model provides a technical solution: a magnesium hydroxide screening machine with dust removal function, including a box body 1, a screen bucket 5 is connected to the box body 1 through multiple springs 4, a vibration motor 6 is fixedly arranged on the screen bucket 5, thereby driving the screen bucket 5 to vibrate, the lower wall of the screen bucket 5 is an inclined surface and the lower end is an open end, and the magnesium hydroxide particles are made to flow by the vibration of the screen bucket 5, and a plurality of screens 17 are arranged on the lower wall of the screen bucket 5 to realize the graded screening of the magnesium hydroxide particles, and a receiving hopper 2 is arranged below each screen 17 and below the open end of the screen bucket 5 at the bottom of the box body 1, and the screened magnesium hydroxide particles can fall into the corresponding receiving hopper 2 below, and the lowest point of each receiving hopper 2 is A discharge pipe 3 is connected, and a blocking component is provided at the lower end of the discharge pipe 3. The blocking component can prevent dust from diffusing outward when magnesium hydroxide particles are not discharged. A feed hopper 7 is fixedly arranged above one end of the upper wall of the box body 1 close to the high side of the screen bucket 5. A filter box 8 is fixedly arranged on the box body 1. One side of the filter box 8 is connected to the side of the box body 1 away from the feed hopper 7 through an air suction pipe 10, and the other side of the filter box 8 is connected to an exhaust fan 11. A filter screen 9 is fixedly arranged in the filter box 8. The exhaust fan 11 can generate negative pressure in the box body 1, thereby preventing dust from diffusing to the outside of the box body 1. The extracted gas is filtered by the filter screen 9 in the filter box 8 to realize the recovery of magnesium hydroxide dust.

[0018] As an embodiment of the utility model, the blocking assembly includes a blocking plate 14, a mounting frame 12 is fixedly provided on the outside of the discharge pipe 3, a lever 13 is hinged on the mounting frame 12, the blocking plate 14 is fixedly installed on the lever 13, and a counterweight block 15 is provided on the lever 13. The lever 13 is driven to flip by the deadweight of the counterweight block 15, so that the blocking plate 14 is buckled on the discharge pipe 3.

[0019] As an embodiment of the utility model, the counterweight 15 is slidably disposed on the lever 13 , and a screw 16 is screwed onto the counterweight 15 . The counterweight 15 is fixed to the lever 13 by rotating the screw 16 and pressing it against the lever 13 .

[0020] As an embodiment of the present invention, the mesh numbers of the plurality of screens 17 gradually decrease from the high side end to the low side end of the screen bucket 5 .

[0021] As an embodiment of the utility model, a plurality of guide plates 18 are fixedly arranged on each screen 17, and the guide plates 18 can reduce the flow velocity of the magnesium hydroxide particles on the screen bucket 5, so that the magnesium hydroxide particles stay on the screen 17 for a longer time, thereby improving the screening effect.

[0022] The working principle and use process of the utility model are as follows: when in use, the exhaust fan 11 is started, and the gas in the box body 1 is extracted by the exhaust fan 11, so that a negative pressure is formed in the box body 1, thereby preventing the dust in the box body 1 from diffusing outward through the feed hopper 7 or other gaps, and the magnesium hydroxide particles are poured into the box body 1 through the feed hopper 7, and the vibration motor 6 is started to vibrate the screen 5, and the magnesium hydroxide particles can roll from the high side end to the low side end on the vibrating screen 5, and are screened when passing through the screen 17, and the flow speed of the magnesium hydroxide particles on the screen 5 can be reduced by the guide plate 18, so that the magnesium hydroxide particles stay on the screen 17. The time on the screen 17 is longer, which improves the screening effect. The screened magnesium hydroxide particles will be collected by the receiving hopper 2 below and stored in the discharge pipe 3. When a certain amount of magnesium hydroxide particles are stored in the discharge pipe 3, the deadweight of the stored magnesium hydroxide particles will press the sealing plate 14 to move downward, thereby opening the discharge pipe 3. After the discharge is completed, the deadweight of the counterweight block 15 will buckle the sealing plate 14 on the discharge pipe 3 again. By changing the position of the counterweight block 15 on the lever 13, the force required to flip the sealing plate 14 can be adjusted, thereby preventing dust from being discharged through the discharge pipe 3 when the magnesium hydroxide particles are not discharged.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A magnesium hydroxide screening machine with dust removal function, characterized in that, The invention comprises a box body (1), wherein a sieve bucket (5) is connected to the box body (1) via a plurality of springs (4), a vibration motor (6) is fixedly arranged on the sieve bucket (5), the lower wall of the sieve bucket (5) is an inclined surface and one end of the lower side is an open end, a plurality of sieves (17) are arranged on the lower wall of the sieve bucket (5), a receiving hopper (2) is arranged at the bottom of the box body (1) below each of the sieves (17) and below the open end of the sieve bucket (5), and the lowest point of each of the receiving hoppers (2) is connected to a discharge A material pipe (3), a blocking component is provided at the lower end of the discharge pipe (3), a feed hopper (7) is fixedly provided above one end of the upper wall of the box body (1) close to the high side of the screen bucket (5), a filter box (8) is fixedly provided on the box body (1), one side of the filter box (8) is connected to a side of the box body (1) away from the feed hopper (7) through an air intake pipe (10), the other side of the filter box (8) is connected to an exhaust fan (11), and a filter screen (9) is fixedly provided in the filter box (8).

2. A magnesium hydroxide screening machine with dust removal function according to claim 1, characterized in that, The blocking assembly comprises a blocking plate (14), a mounting frame (12) is fixedly arranged on the outside of the discharge pipe (3), a lever (13) is hinged on the mounting frame (12), the blocking plate (14) is fixedly mounted on the lever (13), a counterweight (15) is arranged on the lever (13), and the lever (13) is driven to flip by the deadweight of the counterweight (15), so that the blocking plate (14) is buckled on the discharge pipe (3).

3. A magnesium hydroxide screening machine with dust removal function according to claim 2, characterized in that, The counterweight block (15) is slidably arranged on the lever (13), a screw (16) is screwed onto the counterweight block (15), and the screw (16) is pressed tightly against the lever (13).

4. A magnesium hydroxide screening machine with dust removal function according to claim 1, characterized in that, The mesh sizes of the plurality of screens (17) gradually decrease from the high side end to the low side end of the screen bucket (5).

5. A magnesium hydroxide screening machine with dust removal function according to claim 1, characterized in that, A plurality of guide plates (18) are fixedly arranged on each of the screens (17).

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