Classification type rotary drum structure of centrifugal machine

The scraper and nozzle design of the graded drum structure solves the problem of impurity clogging on the outer wall of the drum, achieving efficient impurity cleaning and stable operation of the drum.

CN223367204UActive Publication Date: 2025-09-23郑州恒生科技有限公司
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Patent Information

Application Number
CN202422619614.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-09-23
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

When the existing centrifuge drum rotates, solid impurities are easily attached to the holes on the outer wall of the drum, causing blockage and reducing work efficiency.

Method used

It adopts a graded drum structure, and the servo motor drives the scraper to scrape off solid impurities, and uses the nozzle to spray water for cleaning, and the impurities slide into the outer drum for discharge.

Benefits of technology

Effectively clean the solid impurities on the outer wall of the drum to avoid blockage and improve the working efficiency of the centrifuge.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a grading type rotary drum structure of a centrifugal machine, which belongs to the technical field of rotary drums and comprises an outer cylinder, a servo motor is fixedly mounted at the lower end of the outer cylinder, an annular baffle is fixed at the upper end of the outer cylinder, and an annular plate is fixedly connected to the inner wall of the annular baffle. The output end of the servo motor drives the rotary drum body to rotate, in the rotating process of the rotary drum body, the four sets of scraping plates are matched to scrape solid impurities on the outer wall of the rotary drum body, the flexibility of the scraping plates can be enhanced through triangular holes, the scraping plates are not prone to being damaged in the working process, and the scraped solid impurities are attached to the surfaces of the scraping plates, so that the scraping efficiency is improved. And after the centrifugal work is finished, an external water source is connected into the water inlet pipe, the spray head is started to work, the spray head sprays water to clean impurities on the surface of the scraper blade, the impurities slide downwards along the inner walls of the scraper blade and the annular plate, then flow into the outer cylinder and are discharged along the through pipe, and cleaning of the scraper blade and the rotary drum body is completed.
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Description

Technical Field

[0001] The utility model relates to the technical field of rotary drums, and more particularly to a graded rotary drum structure of a centrifuge. Background Art

[0002] A centrifuge is a machine that uses the inertial centrifugal force generated by the rotation of the drum to separate or concentrate suspensions, emulsions and other heterogeneous materials.

[0003] However, in the prior art, when the centrifuge drum rotates, some solid impurities often adhere to the holes opened on the outer wall of the drum during the rotation process. These impurities are difficult to clean and easily clog the holes of the drum over time, reducing the working efficiency of the centrifuge. Therefore, a graded drum structure of a centrifuge is proposed to solve the above-mentioned problems. Utility Model Content

[0004] 1. Technical problems to be solved

[0005] In response to the problems existing in the prior art, the purpose of the utility model is to provide a graded drum structure for a centrifuge, which starts a servo motor, and the output end of the servo motor drives the drum body to rotate. During the rotation of the drum body, four groups of scrapers cooperate to scrape solid impurities on the outer wall of the drum body. The opening of the triangular holes can enhance the flexibility of the scrapers, making it difficult for the scrapers to be damaged during operation, and the scraped solid impurities adhere to the surface of the scrapers. When the centrifugal work is completed, an external water source is connected to the water inlet pipe, and the nozzle is started. The nozzle sprays water to clean the impurities on the surface of the scraper. The impurities slide down along the inner wall of the scraper and the annular plate, then flow into the outer cylinder, and are discharged along the through pipe, completing the cleaning of the scraper and the drum body.

[0006] 2. Technical solution

[0007] In order to solve the above problems, the present invention adopts the following technical solutions.

[0008] A graded drum structure of a centrifuge comprises: an outer cylinder, a servo motor is fixedly installed at the lower end of the outer cylinder, an annular baffle is fixed at the upper end of the outer cylinder, an annular plate is fixedly connected to the inner wall of the annular plate, four groups of clips are evenly clamped on the inner wall of the annular plate, and scrapers are fixedly connected to the inner walls of the four clips. The output end of the servo motor passes through the lower end of the outer cylinder and is fixedly installed at the lower end of the drum body. The inclination direction of the scraper is consistent with the rotation direction of the drum body. The ends of the four scrapers away from the annular plate are inclined downward, and the sides of the four scrapers away from the annular plate are provided with multiple The inner wall of the annular plate is fixed with a connecting cavity at the position close to the four card strips. The inner walls of the four connecting cavities are fixed with multiple groups of nozzles. The directions of the nozzles of the multiple groups of nozzles correspond to the positions of each group of triangular holes. The outer wall of the annular plate is fixed with a surrounding pipe. The inner wall of the surrounding pipe is connected with the connecting cavity through four groups of connecting pipes. The outer wall of the surrounding pipe is connected with a water inlet pipe. The side wall of the water inlet pipe passes through the side wall of the outer cylinder. The lower end of the side wall of the outer cylinder is fixed with a through pipe. One side of the four scrapers is in contact with the outer wall of the drum body.

[0009] Furthermore, the lower end of the drum body is fixedly connected to an annular rotating member, and the annular rotating member is rotatably connected to the lower end of the outer cylinder.

[0010] Furthermore, the lower end of the outer cylinder is fixedly connected to a plurality of groups of supporting legs.

[0011] Furthermore, the lower end of the drum body is funnel-shaped.

[0012] Furthermore, the outer sides of the four clamping strips are threadedly connected with multiple sets of screws, and the multiple sets of screws are all threadedly connected to the annular plate.

[0013] Furthermore, a plurality of through holes are evenly formed on the inner wall of the drum body.

[0014] 3. Beneficial effects

[0015] Compared with the prior art, the advantages of the present invention are:

[0016] (1) In this solution, by starting the servo motor, the output end of the servo motor drives the drum body to rotate. During the rotation of the drum body, four groups of scrapers cooperate to scrape the solid impurities on the outer wall of the drum body. The opening of the triangular hole can enhance the flexibility of the scraper, making it difficult for the scraper to be damaged during operation, and the scraped solid impurities adhere to the surface of the scraper. When the centrifugal work is completed, the external water source is connected to the water inlet pipe, and the nozzle is started to spray water to clean the impurities on the scraper surface. The impurities slide down along the inner wall of the scraper and the annular plate, then flow into the outer cylinder, and are discharged along the through pipe to complete the cleaning of the scraper and the drum body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the front three-dimensional structure of the graded drum structure of the centrifuge;

[0018] Figure 2 It is a side view schematic diagram of the three-dimensional structure of the graded drum structure of the centrifuge;

[0019] Figure 3 It is a cross-sectional schematic diagram of the graded drum structure of the centrifuge;

[0020] Figure 4 It is a top view schematic diagram of the graded drum structure of the centrifuge;

[0021] Figure 5 Schematic diagram of the water inlet pipe and annular pipe of the graded drum structure of the centrifuge;

[0022] Figure 6 Schematic diagram of the nozzle and scraper of the graded drum structure of the centrifuge.

[0023] Description of the numbers in the figure:

[0024] 1. Outer cylinder; 2. Through pipe; 3. Servo motor; 4. Water inlet pipe; 5. Surrounding pipe; 6. Annular plate; 7. Drum body; 8. Scraper; 9. Nozzle; 10. Connecting cavity; 11. Screw; 12. Clip strip; 13. Annular baffle; 14. Support leg; 15. Annular rotating part. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the specification of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0026] like Figures 1-6As shown, the embodiment of the present invention provides a graded drum structure of a centrifuge, comprising: an outer cylinder 1, a servo motor 3 is fixedly installed at the lower end of the outer cylinder 1, an annular baffle 13 is fixed at the upper end of the outer cylinder 1, an annular plate 6 is fixedly connected to the inner wall of the annular plate 6, four groups of clips 12 are evenly clamped on the inner wall of the annular plate 6, and the inner walls of the four clips 12 are fixedly connected to scrapers 8, the output end of the servo motor 3 passes through the lower end of the outer cylinder 1 and is fixedly installed at the lower end of the drum body 7, the inclination direction of the scraper 8 is consistent with the rotation direction of the drum body 7, the four scrapers 8 are tilted downward at one end away from the annular plate 6, and multiple groups of triangular holes are provided on the side of the four scrapers 8 away from the annular plate 6, the inner wall of the annular plate 6 and the positions close to the four clips 12 are fixedly installed with connecting cavities 10, the inner walls of the four connecting cavities 10 are fixedly penetrated by multiple groups of nozzles 9, the directions of the multiple groups of nozzles 9 correspond to the positions of each group of triangular holes, the outer wall of the annular plate 6 is fixedly installed with a surrounding pipe 5, and the surrounding pipe 5 is fixedly installed. The inner wall of the tube 5 is connected to the communication cavity 10 through four groups of connecting tubes. The outer wall of the tube 5 is connected with the water inlet pipe 4. The side wall of the water inlet pipe 4 passes through the side wall of the outer cylinder 1. The lower end of the side wall of the outer cylinder 1 is fixed with a through pipe 2. One side of the four scrapers 8 is in contact with the outer wall of the drum body 7. By starting the servo motor 3, the output end of the servo motor 3 drives the drum body 7 to rotate. During the rotation of the drum body 7, the four groups of scrapers 8 cooperate to remove solid impurities from the outer wall of the drum body 7. The scraper 8 is scraped, and the triangular holes are opened to enhance the flexibility of the scraper 8, so that the scraper 8 is not easily damaged during operation, and the scraped solid impurities are attached to the surface of the scraper 8. After the centrifugal work is completed, the external water source is connected to the water inlet pipe 4, and the nozzle 9 is started to work. The nozzle 9 sprays water to clean the impurities on the surface of the scraper 8. The impurities slide down along the inner wall of the scraper 8 and the annular plate 6, and then flow into the outer cylinder 1 and are discharged along the through pipe 2, completing the cleaning of the scraper 8 and the drum body 7.

[0027] like Figures 1-6 As shown, in this embodiment, the lower end of the drum body 7 is fixedly connected to a ring-shaped rotating member 15, and the ring-shaped rotating member 15 is rotatably connected to the lower end of the outer cylinder 1, which can enhance the rotational stability of the drum body 7. The lower end of the outer cylinder 1 is fixedly connected to multiple groups of support legs 14. The lower end of the drum body 7 is funnel-shaped, and the outer sides of the four clamping strips 12 are threadedly connected to multiple groups of screws 11. The multiple groups of screws 11 are all threadedly connected to the annular plate 6. The inner wall of the drum body 7 is evenly penetrated with a plurality of groups of through holes, which can allow impurities to be discharged smoothly.

[0028] The technical solution provided by the utility model is as follows: first, by starting the servo motor 3, the output end of the servo motor 3 drives the drum body 7 to rotate. During the rotation of the drum body 7, the four groups of scrapers 8 cooperate to scrape the solid impurities on the outer wall of the drum body 7. The opening of the triangular holes can enhance the flexibility of the scraper 8, so that the scraper 8 is not easily damaged during operation, and the scraped solid impurities adhere to the surface of the scraper 8. When the centrifugal work is completed, the external water source is connected to the water inlet pipe 4, and the nozzle 9 is started to work. The nozzle 9 sprays water to clean the impurities on the surface of the scraper 8. The impurities slide down along the inner wall of the scraper 8 and the annular plate 6, then flow into the outer cylinder 1, and are discharged along the through pipe 2, completing the cleaning of the scraper 8 and the drum body 7.

[0029] The above description is merely a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Any person skilled in the art who, within the technical scope disclosed in the present invention, makes equivalent substitutions or modifications based on the technical solutions and improved concepts of the present invention shall be covered by the scope of protection of the present invention.

Claims

1. A centrifuge drum structure comprising: An outer cylinder (1) is provided, wherein a servo motor (3) is fixedly mounted on the lower end of the outer cylinder (1), an annular baffle (13) is fixedly mounted on the upper end of the outer cylinder (1), an annular plate (6) is fixedly connected to the inner wall of the annular plate (6), four groups of clips (12) are evenly clipped to the inner wall of the annular plate (6), and scrapers (8) are fixedly mounted on the inner walls of the four clips (12). The output end of the servo motor (3) passes through the lower end of the outer cylinder (1) and is fixedly mounted on the lower end of the drum body (7). The inclination direction of the scrapers (8) is consistent with the rotation direction of the drum body (7). The ends of the four scrapers (8) away from the annular plate (6) are tilted downward, and a plurality of triangular holes are provided on the side of the four scrapers (8) away from the annular plate (6). The inner wall of the annular plate (6) is fixedly installed with a connecting cavity (10) at positions close to the four card strips (12). The inner walls of the four connecting cavities (10) are fixedly penetrated with multiple groups of nozzles (9). The directions of the multiple groups of nozzles (9) correspond to the positions of each group of triangular holes. The outer wall of the annular plate (6) is fixedly installed with a surrounding pipe (5). The inner wall of the surrounding pipe (5) is connected to the connecting cavity (10) through four groups of connecting pipes. The outer wall of the surrounding pipe (5) is penetrated and connected with a water inlet pipe (4). The side wall of the water inlet pipe (4) penetrates the side wall of the outer cylinder (1). The lower end of the side wall of the outer cylinder (1) is fixedly penetrated with a through pipe (2). One side of the four scrapers (8) is in contact with the outer wall of the drum body (7).

2. The centrifuge drum structure according to claim 1, characterized in that: The lower end of the drum body (7) is fixedly connected to an annular rotating member (15), and the annular rotating member (15) is rotatably connected to the lower end of the outer cylinder (1).

3. The graded drum structure of a centrifuge according to claim 1, characterized in that: The lower end of the outer cylinder (1) is fixedly connected to a plurality of groups of supporting legs (14).

4. The graded drum structure of a centrifuge according to claim 1, characterized in that: The lower end of the drum body (7) is funnel-shaped.

5. The graded drum structure of a centrifuge according to claim 1, characterized in that: The outer sides of the four clamping strips (12) are threadedly connected to a plurality of sets of screws (11), and the plurality of sets of screws (11) are all threadedly connected to the annular plate (6).

6. The graded drum structure of a centrifuge according to claim 1, characterized in that: The inner wall of the drum body (7) is evenly penetrated with a plurality of groups of through holes.