Convenient-to-clean dust removal device for negative pressure type weighing cover

Abstract

The utility model discloses a convenient-to-clean dust removal device for a negative pressure type weighing cover, which comprises a weighing cover, a first filter screen is fixedly connected in the weighing cover, a control box directly facing the first filter screen is fixedly connected in the weighing cover, and a plurality of folding plates are fixedly connected in the control box in a staggered manner. The upper portion of the inner side of the weighing cover is fixedly connected with a mounting plate, the upper portion of the mounting plate is fixedly connected with a hydraulic cylinder, the power end of the hydraulic cylinder is fixedly connected with a power rod, one end of the power rod is fixedly connected with a plurality of connecting rods, and the other ends of the connecting rods are fixedly connected with connecting pieces. A lifting plate is fixedly connected to the lower portion of the connecting piece, a plurality of blocking blocks are fixedly connected to the lower portion of the lifting plate, dust in the weighing cover is adsorbed in a water mist mode, water adsorbing the dust can carry the dust to be recycled into the water tank, it is prevented that a filtering system in the weighing cover is blocked by too much dust, and the weighing cover is convenient to clean.

Description

Technical Field

[0001] The utility model relates to the technical field of weighing hoods, in particular to a dust removal device for a negative pressure weighing hood which is easy to clean. Background Art

[0002] Negative pressure weighing hood, also known as negative pressure weighing hood or weighing room, is a highly efficient and accurate device specially used for weighing powdered materials. It mainly consists of a closed container and a negative pressure system. The air in the container is extracted through the negative pressure system to form a negative pressure state, so that the powdered materials flow from top to bottom under the action of gravity, which is convenient for weighing.

[0003] The dust in the air will enter the weighing hood through the negative pressure system. Insufficient air pressure will cause the dust adsorption capacity to decrease, resulting in a large amount of dust adhering to the inner wall of the weighing hood. The dust will enter the filter system of the weighing hood and will also be retained in the filter, making it difficult to clean the dust. Utility Model Content

[0004] The utility model aims to provide a dust removal device for a negative pressure weighing hood which is easy to clean, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust removal device for a negative pressure weighing hood that is easy to clean, comprising a weighing hood, one side of the weighing hood is fixedly connected to a water tank, one side of the water tank is fixedly connected to a water pipe, the water pipe penetrates into the inside of the weighing hood and is fixedly connected to a plurality of atomizing nozzles, the inside of the weighing hood is fixedly connected to a first filter screen, the inside of the weighing hood is fixedly connected to a control box facing the first filter screen, the inside of the control box is staggered and fixedly connected to a plurality of folding plates, the bending part of the folding plates is fixedly connected to absorbent cotton, the weighing A mounting plate is fixedly connected to the upper inner part of the cover, a hydraulic cylinder is fixedly connected to the upper part of the mounting plate, a power rod is fixedly connected to the power end of the hydraulic cylinder, a plurality of connecting rods are fixedly connected to one end of the power rod, a connecting piece is fixedly connected to the lower part of the connecting piece, a lifting plate is fixedly connected to the lower part of the lifting plate, a plurality of blocking blocks are fixedly connected to the lower part of the bending part of the folding plate, two groups of mounting frames are fixedly connected to the upper part of the lifting plate, a movable plate is slidably connected to the inside of the mounting frame, and rollers are rotatably connected between the movable plates on both sides.

[0006] Preferably, a sliding rod is slidably connected inside the movable plate, both ends of the sliding rod are fixedly connected to the inner wall of the mounting frame, a spring is fixedly connected to one side of the movable plate, the spring is sleeved on the outside of the sliding rod, and the other end of the spring is fixedly connected to the inner wall of the mounting frame.

[0007] Preferably, a groove cooperating with the mounting frame is provided at the lower portion of the folding plate.

[0008] Preferably, a limiting plate is fixedly connected to the lower portion of the power rod.

[0009] Preferably, an inclined platform is provided at the lower part of the weighing cover, and a water outlet is provided at the connection between the weighing cover and the water tank, and the water outlet is directly opposite to the lower part of the inclined platform.

[0010] Preferably, a second filter screen is fixedly connected to the middle side of the inner wall of the water tank, and the pump body in the water tank is arranged on the upper part of the second filter screen.

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

[0012] The utility model cooperates with a water pipe, a water tank, an atomizing nozzle, a weighing hood, a first filter screen, a control box, a folding plate, water-absorbing cotton, a lifting plate, a blocking block, a roller, an inclined platform, and a water outlet power rod in use. The water pipe is connected to a water pump inside the water tank and is used to cooperate with the atomizing nozzle to spray water mist to absorb dust in the weighing hood. The air water mist enters the interior of the control box through the first filter screen. When the air flows to the bending part of the folding plate, it touches the water-absorbing cotton. The water-absorbing cotton absorbs moisture in the air and absorbs the accompanying dust together. The lifting plate moves up and down to drive the blocking block to move up and down, so that the lower part of the folding plate is connected. The roller moves up and down and presses the water-absorbing cotton, so that the water carries the dust and flows down from the connected part. The water can flow along the inclined platform and into the water tank from the water outlet to absorb and recover the dust. The dust in the air in the weighing hood can be cleanly adsorbed by the water mist, and the dust carried by the water adsorbing the dust can be recovered into the water tank, so that the excessive dust can be prevented from clogging the internal filtering system of the weighing hood, and the weighing hood can be cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first viewing angle;

[0014] Figure 2 This is a cross-sectional view of the weighing cover structure from the second viewing angle of the utility model;

[0015] Figure 3 This is a schematic diagram of the folding plate structure of the utility model from a third viewing angle;

[0016] Figure 4 This is a cross-sectional view of the water tank structure from the fourth viewing angle of the utility model;

[0017] Figure 5 This is a schematic diagram of the structure of the control box of the fifth viewing angle of the utility model.

[0018] In the figure: 1. weighing hood; 2. water tank; 3. water pipe; 4. atomizing nozzle; 5. first filter; 6. control box; 7. folding plate; 8. mounting plate; 9. hydraulic cylinder; 10. power rod; 11. limit plate; 12. connecting rod; 13. connecting plate; 14. lifting plate; 15. blocking block; 16. mounting frame; 17. moving plate; 18. sliding rod; 19. spring; 20. roller; 21. absorbent cotton; 22. groove; 23. inclined platform; 24. water outlet; 25. second filter. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-5 The utility model provides a technical solution: a dust removal device for a negative pressure weighing hood that is easy to clean, comprising a weighing hood 1, a water tank 2 is fixedly welded on one side of the weighing hood 1, a water pipe 3 is fixedly welded on one side of the water tank 2, the water pipe 3 penetrates into the weighing hood 1 and is fixedly welded with a plurality of atomizing nozzles 4, the water pipe 3 is connected to a water pump inside the water tank 2, and is used to cooperate with the atomizing nozzle 4 to spray water mist to absorb the dust in the weighing hood 1, a first filter 5 is fixedly welded inside the weighing hood 1, a control box 6 facing the first filter 5 is fixedly welded inside the weighing hood 1, a plurality of folding plates 7 are staggered and fixedly welded inside the control box 6, absorbent cotton 21 is fixedly connected at the bending part of the folding plate 7, air water mist enters the interior of the control box 6 from the first filter 5, and touches the absorbent cotton 20 when the air flows to the bending part of the folding plate 7, and the absorbent cotton 20 absorbs moisture in the air and absorbs the accompanying dust together, and a mounting plate is fixedly welded on the upper inner side of the weighing hood 1 8. A hydraulic cylinder 9 is installed on the upper flange of the mounting plate 8. A power rod 10 is threadedly connected to the power end of the hydraulic cylinder 9. A plurality of connecting rods 12 are fixedly welded to one end of the power rod 10. A connecting piece 13 is fixedly welded to the other end of the connecting rod 12. A lifting plate 14 is fixedly welded to the lower part of the connecting piece 13. A plurality of blocking blocks 15 are fixedly welded to the lower part of the bending part of the folding plate 7. The hydraulic cylinder 9 drives the connecting piece 13 to move up and down through the power rod 10 and the connecting rod 12. The connecting piece 13 drives the blocking block 15 to move up and down through the lifting plate 14, so that the lower part of the folding plate 7 is connected, and water flows down from the connected part. Two sets of mounting frames 16 are fixedly welded to the upper part of the lifting plate 14. A moving plate 17 is slidably connected inside the mounting frame 16. A roller 20 is rotatably installed between the moving plates 17 on both sides. When the lifting plate 14 moves up and down, the roller 20 is driven to press the absorbent cotton 21, so that the moisture of the absorbent cotton 21 is more easily discharged.

[0021] A sliding rod 18 is slidably installed inside the moving plate 17, and both ends of the sliding rod 18 are fixedly welded to the inner wall of the mounting frame 16. A spring 19 is fixedly welded on one side of the moving plate 17. The spring 19 is sleeved on the outside of the sliding rod 18, and the other end of the spring 19 is fixedly welded to the inner wall of the mounting frame 16. The spring 19 pushes the moving plate 17 to make the roller 20 press the absorbent cotton 21; a groove 22 matching the mounting frame 16 is opened at the lower part of the folding plate 7, so that the mounting frame 16 can enter the groove 22 when it rises; the power rod 1 0 A limit plate 11 is fixedly welded at the lower part to prevent the power rod 10 from excessively rising and damaging the folding plate 7; an inclined platform 23 is arranged at the lower part of the weighing cover 1, and a water outlet 24 is opened at the connection between the weighing cover 1 and the water tank 2, and the water outlet 24 is directly opposite to the lower part of the inclined platform 23, so that water can flow along the inclined platform 23 and enter the water tank 2 from the water outlet 24; a second filter screen 25 is fixedly welded on the middle side of the inner wall of the water tank 2, and the pump body in the water tank 2 is arranged on the upper part of the second filter screen 25, which is used to filter dust and prevent dust from being sprayed out by the atomizing nozzle 4.

[0022] Working principle: When the utility model is in use, the water pipe 3 is connected to the water pump inside the water tank 2, which is used to cooperate with the atomizing nozzle 4 to spray water mist to absorb the dust in the weighing cover 1. The air mist enters the control box 6 through the first filter screen 5. When the air flows to the bending part of the folding plate 7, it touches the absorbent cotton 21. The absorbent cotton 20 absorbs moisture in the air and absorbs the dust together. The hydraulic cylinder 9 drives the connecting piece 13 to move up and down through the power rod 10 and the connecting rod 12. The connecting piece 13 drives the blocking block 15 to move up and down through the lifting plate 14, so that the lower part of the folding plate 7 is connected. The spring 19 pushes the moving plate 17 to make the roller 20 press the absorbent cotton 21. The roller 21 moves up and down, so that the water carries the dust and flows down from the connection point. The water can enter the water tank 2 from the water outlet 24 along the inclined platform 23. The dust is filtered by the second filter screen 25 at the lower part of the water tank, and the dust is adsorbed and recovered.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0024] 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 dust removal device for a negative pressure weighing hood that is easy to clean, comprising a weighing hood (1), characterized in that: The weighing cover (1) is fixedly connected to a water tank (2) on one side, the water tank (2) is fixedly connected to a water pipe (3) on one side, the water pipe (3) penetrates into the weighing cover (1) and is fixedly connected to a plurality of atomizing nozzles (4), the weighing cover (1) is fixedly connected to a first filter screen (5), the weighing cover (1) is fixedly connected to a control box (6) facing the first filter screen (5), the control box (6) is staggeredly fixedly connected to a plurality of folding plates (7) inside, the folding plates (7) are fixedly connected to absorbent cotton (21) at their bends, the upper inner side of the weighing cover (1) is fixedly connected to a mounting plate (8), the upper part of the mounting plate (8) is fixedly connected to a hydraulic cylinder (9) ), the power end of the hydraulic cylinder (9) is fixedly connected to a power rod (10), one end of the power rod (10) is fixedly connected to a plurality of connecting rods (12), the other end of the connecting rod (12) is fixedly connected to a connecting plate (13), the lower part of the connecting plate (13) is fixedly connected to a lifting plate (14), the lower part of the lifting plate (14) is fixedly connected to a plurality of blocking blocks (15), the blocking blocks (15) are slidably connected to the lower part of the bending part of the folding plate (7), the upper part of the lifting plate (14) is fixedly connected to two groups of mounting frames (16), the interior of the mounting frame (16) is slidably connected to a moving plate (17), and rollers (20) are rotatably connected between the moving plates (17) on both sides.

2. The dust removal device for a negative pressure weighing hood that is easy to clean according to claim 1, characterized in that: A sliding rod (18) is slidably connected inside the movable plate (17), and both ends of the sliding rod (18) are fixedly connected to the inner wall of the mounting frame (16). A spring (19) is fixedly connected to one side of the movable plate (17), and the spring (19) is sleeved on the outside of the sliding rod (18), and the other end of the spring (19) is fixedly connected to the inner wall of the mounting frame (16).

3. The dust removal device for a negative pressure weighing hood that is easy to clean according to claim 1, characterized in that: The lower part of the folding plate (7) is provided with a groove (22) that matches the mounting frame (16).

4. The dust removal device for a negative pressure weighing hood that is easy to clean according to claim 1, characterized in that: The lower part of the power rod (10) is fixedly connected to a limiting plate (11).

5. The dust removal device for a negative pressure weighing hood that is easy to clean according to claim 1, characterized in that: An inclined platform (23) is provided at the lower part of the weighing cover (1), and a water outlet (24) is provided at the connection between the weighing cover (1) and the water tank (2), and the water outlet (24) is directly opposite to the lower part of the inclined platform (23).

6. The dust removal device for a negative pressure weighing hood that is easy to clean according to claim 1, characterized in that: A second filter screen (25) is fixedly connected to the middle side of the inner wall of the water tank (2), and the pump body in the water tank (2) is arranged on the upper part of the second filter screen (25).

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