Noise reduction device for centrifugal machine

Abstract

The noise reduction device for the centrifugal machine comprises a device shell, a centrifugal barrel is arranged in the device shell, the lower surface of the centrifugal barrel is connected with a centrifugal motor through a rotating shaft, and the inner top face and the inner bottom face of the device shell are provided with an upper acoustic board and a lower acoustic board respectively. A side sound absorption plate is arranged on the inner side face of the device shell and located between the upper sound absorption plate and the lower sound absorption plate, a sound guide plate is installed on one side of the side sound absorption plate, and sound absorption cotton is arranged between the sound guide plate and the side sound absorption plate. By arranging the upper sound-absorbing plate, the lower sound-absorbing plate and the side sound-absorbing plate, noise generated when the centrifugal machine works is comprehensively absorbed and reduced, then the sound guide plate guides part of the noise and guides the noise to the silencer, sound waves are counteracted, outward transmission of the noise is further reduced, and the noise reduction effect of the centrifugal machine is improved. The comfort level of the working environment is improved, and the physical and psychological health of workers is protected.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifuge devices, in particular to a noise reduction device for a centrifuge. Background Art

[0002] A centrifuge is a machine that uses centrifugal force to separate liquids from solid particles or components in a mixture of liquids and liquids. Centrifuges are mainly used to separate solid particles from liquids in suspensions, or to separate two immiscible liquids of different densities in emulsions. It can also be used to remove liquid from wet solids, such as using a washing machine to spin dry wet clothes. Special ultra-speed tubular separators can also separate gas mixtures of different densities.

[0003] Existing centrifuges generate excessive vibration and noise during operation, which will cause noise pollution, damage the physical and mental health of workers, and affect the subsequent work.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a noise reduction device for a centrifuge, which has the advantage of noise reduction, thereby solving the problems in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned advantages of noise reduction, the specific technical solutions adopted by the utility model are as follows:

[0009] A noise reduction device for a centrifuge comprises a device shell, wherein a centrifugal cylinder is arranged inside the device shell, and a centrifugal motor is connected to the lower surface of the centrifugal cylinder via a rotating shaft, an upper sound absorbing board and a lower sound absorbing board are respectively installed on the inner top surface and the inner bottom surface of the device shell, a side sound absorbing board is arranged on the inner side surface of the device shell and located between the upper sound absorbing board and the lower sound absorbing board, a sound guide board is installed on one side of the side sound absorbing board, and sound absorbing cotton is arranged between the sound guide board and the side sound absorbing board, a muffler is installed through the upper surface of the device shell, and a feed port and a discharge port are respectively opened on the upper surface and the lower surface of the device shell.

[0010] Furthermore, there are multiple sound guide plates, and the sound guide plates are arranged in an inclined square shape, and the inclination angles of the multiple sound guide plates increase sequentially from top to bottom.

[0011] Furthermore, the upper sound absorbing panel, the lower sound absorbing panel and the side sound absorbing panels are all made of polyester fiber sound absorbing panels.

[0012] Furthermore, the centrifugal motor adopts a silent servo motor, and the model of the centrifugal motor is SGMVH.

[0013] Furthermore, the lower surface of the device housing is provided with supporting legs.

[0014] Furthermore, a control panel is provided on the side surface of the device housing.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a noise reduction device for a centrifuge, which has the following beneficial effects:

[0017] (1) The utility model adopts a device shell, a centrifugal cylinder, a centrifugal motor, a feed port, a discharge port, a side sound absorbing panel, a sound absorbing cotton, a sound guide panel, a silencer, an upper sound absorbing panel and a lower sound absorbing panel. By arranging the upper sound absorbing panel, the lower sound absorbing panel and the side sound absorbing panel, the noise generated when the centrifuge is working is fully absorbed and the noise generated when the centrifuge is working is reduced. Secondly, the sound guide panel guides part of the noise and guides the noise to the silencer to offset the sound waves, further reducing the outward propagation of noise, improving the comfort of the working environment, and protecting the physical and mental health of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of the noise reduction device for a centrifuge proposed by the utility model;

[0020] Figure 2 It is a schematic diagram of the internal structure of the noise reduction device for a centrifuge proposed by the utility model;

[0021] Figure 3 The utility model is a schematic diagram of the overall structure of the sound guide plate of the noise reduction device for the centrifuge.

[0022] In the figure:

[0023] 1. Device housing; 2. Centrifugal cylinder; 3. Centrifugal motor; 4. Feed inlet; 5. Discharge port; 6. Side sound-absorbing panels; 7. Sound-absorbing cotton; 8. Sound-guiding panels; 9. Muffler; 10. Support legs; 11. Control panel; 12. Upper sound-absorbing panels; 13. Lower sound-absorbing panels. DETAILED DESCRIPTION

[0024] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0025] According to an embodiment of the utility model, a noise reduction device for a centrifuge is provided.

[0026] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-3 As shown, according to an embodiment of the utility model, the noise reduction device for a centrifuge includes a device shell 1, a centrifugal drum 2 is arranged inside the device shell 1, and the lower surface of the centrifugal drum 2 is connected to a centrifugal motor 3 through a rotating shaft, an upper sound absorbing panel 12 and a lower sound absorbing panel 13 are respectively installed on the inner top surface and the inner bottom surface of the device shell 1, a side sound absorbing panel 6 is arranged on the inner side surface of the device shell 1 and located between the upper sound absorbing panel 12 and the lower sound absorbing panel 13, a sound guide panel 8 is installed on one side of the side sound absorbing panel 6, and sound absorbing cotton 7 is arranged between the sound guide panel 8 and the side sound absorbing panel 6, a muffler 9 is installed through the upper surface of the device shell 1, and a feed port 4 and a discharge port 5 are respectively opened on the upper surface and the lower surface of the device shell 1.

[0027] In one embodiment, by providing an upper sound absorbing panel 12, a lower sound absorbing panel 13 and a side sound absorbing panel 6, the noise generated when the centrifuge is working is fully absorbed and the noise generated when the centrifuge is working is reduced. Secondly, the sound guide plate 8 guides part of the noise to the muffler 9 to offset the sound waves, further reducing the outward propagation of the noise, improving the comfort of the working environment, and protecting the physical and mental health of the staff.

[0028] Specifically, a plurality of sound guide plates 8 are provided, and the sound guide plates 8 are arranged in an inclined square shape, and the inclination angles of the plurality of sound guide plates 8 increase sequentially from top to bottom.

[0029] In one embodiment, the angles between the sound absorber and the sound guide plates 8 at different heights are different. By arranging the sound guide plates 8 at different angles, the noise can be concentrated and guided to the sound inlet of the sound absorber.

[0030] Specifically, the upper sound absorbing panel 12 , the lower sound absorbing panel 13 and the side sound absorbing panel 6 are all made of polyester fiber sound absorbing panel material.

[0031] In one embodiment, it has the advantages of sound absorption, environmental protection, flame retardancy, heat insulation, simple construction, good stability, good impact resistance, good independence, and high cost performance.

[0032] Specifically, the centrifugal motor 3 adopts a silent servo motor, and the model of the centrifugal motor 3 is SGMVH.

[0033] In one embodiment, the noise is low and is not likely to cause physical or mental damage to the staff.

[0034] Specifically, a support leg 10 is provided on the lower surface of the device housing 1 .

[0035] In one embodiment, by providing the supporting legs 10 , the height of the device housing 1 is increased, and the erosion of the device housing 1 by ground moisture is reduced.

[0036] Specifically, a control panel 11 is provided on the side surface of the device housing 1 .

[0037] In one embodiment, a control panel 11 is provided to control the centrifugal device.

[0038] Working principle: When working, the upper sound absorbing board 12, the lower sound absorbing board 13 and the side sound absorbing board 6 are arranged to fully absorb the noise generated by the centrifuge during operation, thereby reducing the noise generated by the centrifuge during operation. Secondly, the sound guide board 8 guides part of the noise to the muffler 9 to offset the sound waves, further reducing the outward propagation of the noise, improving the comfort of the working environment, and protecting the physical and mental health of the staff.

[0039] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A noise reduction device for a centrifuge, comprising a device housing (1), characterized in that: A centrifugal cylinder (2) is arranged inside the device shell (1), and the lower surface of the centrifugal cylinder (2) is connected to a centrifugal motor (3) via a rotating shaft; an upper sound absorbing board (12) and a lower sound absorbing board (13) are respectively installed on the inner top surface and the inner bottom surface of the device shell (1); a side sound absorbing board (6) is arranged on the inner side surface of the device shell (1) and between the upper sound absorbing board (12) and the lower sound absorbing board (13); a sound guide board (8) is installed on one side of the side sound absorbing board (6); sound absorbing cotton (7) is arranged between the sound guide board (8) and the side sound absorbing board (6); a muffler (9) is installed through the upper surface of the device shell (1); and a feed port (4) and a discharge port (5) are respectively opened on the upper surface and the lower surface of the device shell (1).

2. The noise reduction device for a centrifuge according to claim 1, characterized in that: The sound guide plates (8) are provided in a plurality, and the sound guide plates (8) are arranged in an inclined square shape, and the inclination angles of the plurality of sound guide plates (8) increase sequentially from top to bottom.

3. The noise reduction device for a centrifuge according to claim 1, characterized in that: The upper sound absorbing panel (12), the lower sound absorbing panel (13) and the side sound absorbing panel (6) are all made of polyester fiber sound absorbing panel material.

4. The noise reduction device for a centrifuge according to claim 1, characterized in that: The centrifugal motor (3) is a silent servo motor, and the model of the centrifugal motor (3) is SGMVH.

5. The noise reduction device for a centrifuge according to claim 1, characterized in that: The lower surface of the device housing (1) is provided with supporting legs (10).

6. The noise reduction device for a centrifuge according to claim 1, characterized in that: A control panel (11) is provided on the side surface of the device housing (1).

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