Dustproof device for gravel stirring machine

Abstract

The dustproof device comprises a gravel stirring machine body, a feeding port is formed in the top of the gravel stirring machine body, a power motor is arranged on the side close to the feeding port, and the output end of the power motor penetrates through the gravel stirring machine body to be fixedly connected with a small gear. A stirring shaft is in transmission connection with the inner side of the top of the gravel stirring machine body through a coupler, a large gear is fixedly welded to the outer side of the stirring shaft, the small gear is meshed with the large gear, a plurality of stirring rods are fixedly welded to the periphery of the stirring shaft, and stirring blades are fixedly welded to the outer sides of the stirring rods; according to the dustproof device for the gravel stirring machine, the problem of dust pollution caused by stirring in the prior art is solved through the arrangement of the dust suction pipe, and the dustproof device has the effects of improving the use efficiency of the stirring machine and reducing raised dust.

Description

Technical Field

[0001] The utility model relates to the technical field of dustproof devices, in particular to a dustproof device for a sand and gravel mixer. Background Art

[0002] In the process of construction, concrete is used for pouring. In the process of concrete preparation, mixers are often used to process cement. Mixers are machines used to mix cement, sand and gravel aggregates and water into concrete mixtures. They are easy to cause dust and affect the surrounding environment. The use of mixers replaces the traditional manual mixing of materials, which greatly reduces the labor intensity of people and improves construction efficiency.

[0003] At present, concrete processing needs to be stirred by a mixer. When adding materials into the mixer, a large amount of dust will be generated in the mixer. The dust will diffuse out from the feed inlet at the upper end of the mixer, polluting the environment around the mixer and causing serious dust pollution. Therefore, we proposed a dust prevention device for a sand and gravel mixer. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] The utility model discloses a dust prevention device for a sand and gravel mixer, comprising a sand and gravel mixer body, a feed port is provided on the top of the sand and gravel mixer body, a power motor is arranged on one side close to the feed port, an output end of the power motor passes through the sand and gravel mixer body and is fixedly connected with a pinion gear, a stirring shaft is connected with the inner side of the top of the sand and gravel mixer body through a coupling transmission, a large gear is fixedly welded on the outer side of the stirring shaft, and the small gear is meshingly connected with the large gear, a plurality of stirring rods are fixedly welded on the outer periphery of the stirring shaft, and stirring blades are fixedly welded on the outer side of the stirring rod.

[0006] As a preferred technical solution of the utility model, four stirring paddles are fixedly welded to the outer side of the stirring shaft, one end of the stirring paddle is fixedly connected to a vertical stirring blade, and the vertical stirring blade is in close contact with the inner wall of the sand and gravel mixer body.

[0007] As a preferred technical solution of the utility model, a spring is fixedly connected to the lower end of the sand and gravel mixer body, and a support frame is fixedly welded to the lower part of the spring.

[0008] As a preferred technical solution of the utility model, one side of the support frame is connected to a water pump through a connecting plate bolt, one end of the water pump is fixedly connected to an external water pipe, the inner wall of the sand and gravel mixer body is fixedly connected to an internal water pipe, and the external water pipe is connected to the internal water pipe, and a plurality of spray nozzles are arranged above the internal water pipe.

[0009] As a preferred technical solution of the utility model, a dust suction pipe is fixedly welded to the upper end of the inner wall of the sand and gravel mixer body, a vacuum cleaner is connected to one side of the support frame through a fixing plate bolt, and the dust suction pipe is fixedly connected to the vacuum cleaner through a hose, and a dust outlet is provided at one end of the vacuum cleaner.

[0010] As a preferred technical solution of the utility model, a discharge bin door is arranged at the lower part of one side of the sand and gravel mixer body, a hydraulic rod is bolted to the outer side of the sand and gravel mixer body, and one end of the hydraulic rod is bolted to the discharge bin door.

[0011] As a preferred technical solution of the utility model, the diameter of the inner water pipe is larger than the spacing between the stirring blades.

[0012] The beneficial effects of the utility model are:

[0013] 1. The dust prevention device for this type of sand and gravel mixer is equipped with a spray nozzle to enable it to spray dust from multiple angles inside the sand and gravel mixer body to solve the problem of dust pollution caused by existing mixing;

[0014] 2. The dust-proof device for this type of sand and gravel mixer is equipped with a vacuum cleaner so that the dust raised in the air during the mixing process is absorbed and collected through the vacuum pipe to avoid polluting the environment around the mixer;

[0015] 3. The dust-proof device for this sand and gravel mixer can be shaken up and down during use by setting a spring to improve work efficiency. The utility model has a simple and reasonable structure, a novel design, simple and convenient operation, and high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is a three-dimensional diagram of a dust-proof device for a sand and gravel mixer of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the stirring blade of a dust prevention device for a sand and gravel mixer of the utility model;

[0019] Figure 3 This is a schematic diagram of the spray nozzle structure of a dust prevention device for a sand and gravel mixer of the utility model;

[0020] Figure 4 The utility model is a schematic diagram of the structure of a dust suction pipe of a dust prevention device for a sand and gravel mixer.

[0021] In the figure: 1. Sand and gravel mixer body; 2. Feed inlet; 3. Power motor; 4. Small gear; 5. Large gear; 6. Stirring shaft; 7. Stirring rod; 8. Stirring blade; 9. Stirring paddle; 10. Vertical stirring blade; 11. Spring; 12. Support frame; 13. Water pump; 14. External water pipe; 15. Internal water pipe; 16. Spray nozzle; 17. Dust suction pipe; 18. Hose; 19. Vacuum cleaner; 20. Dust outlet; 21. Discharge bin door; 22. Hydraulic rod. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0023] Example: Figure 1-4 As shown, the utility model is a dust prevention device for a sand and gravel mixer, comprising a sand and gravel mixer body 1, a feed port 2 is opened on the top of the sand and gravel mixer body 1, a power motor 3 is arranged on the side close to the feed port 2, the output end of the power motor 3 passes through the sand and gravel mixer body 1 and is fixedly connected with a pinion 4, the top inner side of the sand and gravel mixer body 1 is connected with a stirring shaft 6 through a coupling transmission, a large gear 5 is fixedly welded to the outer side of the stirring shaft 6, and the small gear 4 is meshed with the large gear 5, a plurality of stirring rods 7 are fixedly welded to the outer periphery of the stirring shaft 6, and a stirring blade 8 is fixedly welded to the outer side of the stirring rod 7.

[0024] Among them, four stirring paddles 9 are fixedly welded to the outside of the stirring shaft 6, one end of the stirring paddle 9 is fixedly connected to a vertical stirring blade 10, and the vertical stirring blade 10 is tightly attached to the inner wall of the sand and gravel mixer body 1. By setting the vertical stirring blade 10, the material deposited at the bottom can be stirred to make it evenly stirred, thereby avoiding the phenomenon of material sinking and agglomerating at the bottom.

[0025] Among them, the lower end of the sand and gravel mixer body 1 is fixedly connected with a spring 11, and the lower part of the spring 11 is fixedly welded with a support frame 12. By setting the spring 11, it can be shaken up and down during use to improve work efficiency.

[0026] Among them, one side of the support frame 12 is connected to a water pump 13 through a connecting plate bolt, one end of the water pump 13 is fixedly connected to an external water pipe 14, the inner wall of the sand and gravel mixer body 1 is fixedly connected to an internal water pipe 15, and the external water pipe 14 is connected to the internal water pipe 15, and a plurality of spray nozzles 16 are arranged above the internal water pipe 15. By arranging the spray nozzles 16, it is possible to perform multi-angle spray dust reduction into the interior of the sand and gravel mixer body to solve the problem of dust pollution caused during the existing mixing.

[0027] Among them, a dust suction pipe 17 is fixedly welded to the upper end of the inner wall of the sand and gravel mixer body 1, a dust collector 19 is connected to one side of the support frame 12 through a fixing plate bolt, and the dust suction pipe 17 is fixedly connected to the dust collector 19 through a hose 18, and a dust outlet 20 is provided at one end of the dust collector 19. By setting the dust suction pipe 17, the dust raised in the air during the mixing process is absorbed and collected by the dust suction pipe 17 to avoid polluting the surrounding environment of the mixer.

[0028] Among them, a discharge bin door 21 is arranged at the lower part of one side of the sand and gravel mixer body 1, and a hydraulic rod 22 is bolted to the outer side of the sand and gravel mixer body 1, and one end of the hydraulic rod 22 is bolted to the discharge bin door 21. By setting the hydraulic rod 22, the discharge bin door can be kept tightly closed by the hydraulic rod during mixing to ensure sealing.

[0029] The diameter of the inner water pipe 15 is larger than the spacing between the stirring blades 8. The inner water pipe 15 is larger than the spacing between the stirring blades 8 so that the inner water pipe 15 is not likely to hit the inner wall attachments during the stirring process.

[0030] Working principle: When in use, the sand and gravel to be mixed enter the sand and gravel mixer body 1 from the feed port 2, start the power motor 3, the output shaft of the power motor 3 drives the small gear 4 to rotate, the small gear 4 is meshed and connected with the large gear 5, the rotation of the large gear 5 drives the stirring shaft 6 to rotate, drives a number of stirring rods 7 and stirring blades 8 to stir, the stirring paddle 9 drives the outer vertical stirring blade 10 to stir to prevent the sand and gravel from settling, start the water pump 13, connect the external water source through the upper part of the water pump 13, and connect the external water pipe 14 with the internal water pipe 15. Through the spray nozzle 16, the interior of the sand and gravel mixer body 1 is sprayed in a mist to reduce dust, so as to solve the problem of dust pollution caused by existing mixing. The vacuum cleaner 19 is started, and the dust raised in the air is absorbed during the mixing process through the dust suction pipe 17 inside the sand and gravel mixer body 1, and discharged through the dust outlet 20 to avoid polluting the surrounding environment of the mixer. The hydraulic rod 22 is started, and the piston of the hydraulic rod 22 rises, driving the discharge bin door 21 to rotate upward, and the material will be discharged automatically through the internal rotation inertia, which solves the problem of caking that is easy to occur during the existing mixing.

[0031] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0032] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A dust prevention device for a sand and gravel mixer, comprising a sand and gravel mixer body (1), characterized in that: The top of the sand and gravel mixer body (1) is provided with a feed port (2), and a power motor (3) is arranged on a side close to the feed port (2). The output end of the power motor (3) passes through the sand and gravel mixer body (1) and is fixedly connected to a pinion gear (4). The inner side of the top of the sand and gravel mixer body (1) is connected to a stirring shaft (6) through a coupling. A large gear (5) is fixedly welded to the outer side of the stirring shaft (6), and the small gear (4) is meshingly connected to the large gear (5). A plurality of stirring rods (7) are fixedly welded to the outer periphery of the stirring shaft (6), and stirring blades (8) are fixedly welded to the outer side of the stirring rod (7).

2. The dust prevention device for a sand and gravel mixer according to claim 1, characterized in that: Four stirring paddles (9) are fixedly welded to the outer side of the stirring shaft (6), one end of the stirring paddle (9) is fixedly connected to a vertical stirring blade (10), and the vertical stirring blade (10) is in close contact with the inner wall of the sand and gravel mixer body (1).

3. The dust prevention device for a sand and gravel mixer according to claim 1, characterized in that: The lower end of the sand and gravel mixer body (1) is fixedly connected to a spring (11), and the lower part of the spring (11) is fixedly welded to a support frame (12).

4. A dust prevention device for a sand and gravel mixer according to claim 3, characterized in that: A water pump (13) is connected to one side of the support frame (12) via a connecting plate bolt, an outer water pipe (14) is fixedly connected to one end of the water pump (13), an inner water pipe (15) is fixedly connected to the inner wall of the gravel mixer body (1), and the outer water pipe (14) is connected to the inner water pipe (15), and a plurality of spray nozzles (16) are arranged above the inner water pipe (15).

5. The dust prevention device for a sand and gravel mixer according to claim 4, characterized in that: A dust suction pipe (17) is fixedly welded to the upper end of the inner wall of the sand and gravel mixer body (1); a dust collector (19) is connected to one side of the support frame (12) via a fixing plate bolt, and the dust suction pipe (17) is fixedly connected to the dust collector (19) via a hose (18); and a dust outlet (20) is provided at one end of the dust collector (19).

6. The dust prevention device for a sand and gravel mixer according to claim 1, characterized in that: A discharge bin door (21) is provided at a lower part of one side of the gravel mixer body (1), a hydraulic rod (22) is bolted to the outer side of the gravel mixer body (1), and one end of the hydraulic rod (22) is bolted to the discharge bin door (21).

7. The dust prevention device for a sand and gravel mixer according to claim 4, characterized in that: The diameter of the inner water pipe (15) is greater than the spacing between the stirring blades (8).

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