Roller assembly for material screening
By adding a movable structure to the drum assembly, the screen is moved up and down during rotation, the problem of low screening efficiency of traditional drums is solved, and a more efficient material screening effect is achieved.
Patent Information
- Application Number
- CN202421457358.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-06-25
AI Technical Summary
The screening efficiency of traditional sieving drums is not high, making it difficult to effectively separate materials.
A drum assembly for material screening is designed. By adding a movable structure to the drum, the screen mesh moves up and down during rotation, causing violent shaking and bumping of the object to be separated, thereby improving the screening effect.
By introducing a movable structure, the efficiency of material screening is significantly improved, making material screening more uniform and efficient.
Smart Images

Figure CN222943874U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rotary screen drum components, in particular to a drum component used for material screening. Background Art
[0002] The rotary screen drum is a major screening component, widely used in various industries. It mainly has screening and pretreatment functions to improve the recovery rate, meet production and process requirements, and prevent environmental pollution. However, the traditional rotary screen drum screens by rotating the drum, and its screening efficiency is not high. This paper improves the screening effect by adding an active structure to the rotary screen drum to make it shake, and thus proposes a drum assembly for material screening. Utility Model Content
[0003] 1. Technical issues to be solved
[0004] In view of the deficiencies in the prior art, the utility model provides a drum assembly for material screening, which has the advantages of high screening efficiency and solves the problem of low screening efficiency of the material screening drum.
[0005] (II) Technical solution
[0006] In order to achieve the above-mentioned high screening efficiency purpose, the utility model provides the following technical solutions:
[0007] A drum assembly for material screening comprises a fixed structure and a movable structure.
[0008] The fixed structure comprises a bracket, a leakage pipe is fixedly installed at the lower end of the bracket, a roller is fixedly installed at the upper end of the leakage pipe, a fixture is fixedly installed on the upper surface of the left end of the bracket, and the fixture is connected to the left end of the movable structure.
[0009] The movable structure includes an outer shell, which is fixedly installed on the upper surface of the right end of the bracket. A centrifugal shaft is inserted into the inside of the fixture, and a connector is sleeved on the outer surface of the centrifugal shaft. The same bolt rod is rotatably connected to both sides of the upper end of the connector, and the bolt rod is inserted into the bottom end of the sleeve through the connector. The upper end of the sleeve is sleeved with a main shaft, and a screen is fixedly installed on the left side of the main shaft, and the left end of the main shaft is sleeved by the fixture.
[0010] As a preferred technical solution of the utility model, the upper end of the bracket is an inclined plane, and the lower end is provided with a rectangular groove, on which a leakage pipe is fixedly installed. The leakage pipe is a tubular structure and is fixed to the lower end of the drum.
[0011] As an optimal technical solution of the utility model, the structure at the left end of the main shaft is a spherical structure, and the structures fixed on both ends of the screen are both M-shaped rib structures. The fixture is provided with groove 2 near the right end of the screen, and groove 2 is a three-quarter spherical groove. The spherical structure at the left end of the main shaft is sleeved on the fixture through groove 2.
[0012] As a preferred technical solution of the utility model, the screen is a left and right truncated cone structure, and is fixedly installed with the drum at an angle of 20° to the bottom surface. The screen and the drum are both hollow inside, and the screen is provided with a plurality of annular through holes.
[0013] As a preferred technical solution of the utility model, the two ends of the centrifugal shaft are small cylindrical structures on the same horizontal line, the middle part is a large cylindrical structure, and the small cylindrical structure is fixedly installed on the upper end part of the large cylindrical structure.
[0014] As a preferred technical solution of the utility model, the centrifugal shaft and the main shaft are connected to different motors, a through hole 2 and a groove 3 are opened on the side of the shell, and a through hole 3 is opened on the upper end. The through hole 1, through hole 2 and through hole 3 are all circular.
[0015] As an optimal technical solution of the utility model, the small cylindrical structure at the left end of the centrifugal shaft passes through through hole two, the small cylindrical structure at the right end is inserted into groove three of the outer shell, and the lower end structure of the sleeve is inserted into the upper end of the outer shell through through hole three.
[0016] (III) Beneficial effects
[0017] Compared with the prior art, the utility model provides a drum assembly for material screening, which has the following beneficial effects:
[0018] Compared with the traditional rotary screen drum screening, the drum assembly for material screening is added with a movable structure. Through the arranged movable structure, when the centrifugal shaft and the main shaft rotate, the right end of the screen moves up and down during the rotation process, and the objects to be separated inside the screen are shaken and bumped violently, so that the screening effect is better. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the fixed structure of the utility model;
[0021] Figure 3 This is a schematic diagram of the movable structure of the utility model;
[0022] Figure 4 This is a schematic diagram of the structure of the outer shell of the utility model;
[0023] Figure 5 This is an exploded view of the internal parts of the shell of the utility model.
[0024] In the figure: 1. bracket; 2. leakage pipe; 3. roller; 4. fixer; 5. shell; 6. centrifugal shaft; 7. connector; 8. bolt rod; 9. bushing; 10. main shaft; 11. screen. DETAILED DESCRIPTION
[0025] 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.
[0026] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and 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 direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 direct connection, or an indirect connection 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.
[0028] See also Figure 1 , a drum assembly for material screening, including a fixed structure and a movable structure.
[0029] See also Figure 2The fixed structure includes a bracket 1, the upper end of the bracket 1 is an inclined plane, and the lower end is provided with a rectangular groove 1. The purpose of the groove 1 is to open up a larger space so that the loading belt can be better loaded and packed at its bottom, which is convenient for users to load. A leakage pipe 2 is fixedly installed on the groove 1, and a roller 3 is fixedly installed at the lower end of the leakage pipe 2. The leakage pipe 2 is a tubular structure and is fixed to the lower end of the roller 3. The internal chamber of the roller 3 is communicated with the internal chamber of the leakage pipe 2, so that the screened material can be packed through the leakage pipe 2. A fixture 4 is fixedly installed on the upper surface of the left end of the bracket 1, and a groove 2 is provided on the fixture 4 near the right end of the screen 11. The groove 2 is a three-quarter spherical groove. The spherical structure at the left end of the main shaft 10 is sleeved on the fixture 4 through the groove 2. The right end of the main shaft 10 sleeved on this structure can move in any direction with the spherical structure at the left end as the center, and the fixture 4 is connected to the left end of the movable structure.
[0030] See also Figure 3-5The movable structure includes a shell 5, a through hole 2 and a groove 3 are provided on the side of the shell 5, and a through hole 3 is provided on the upper end. The through holes 1, 2 and 3 are all circular. The shell 5 is fixedly installed on the upper surface of the right end of the bracket 1, and a centrifugal shaft 6 is inserted into the inside of the fixture 4. The two ends of the centrifugal shaft 6 are small cylindrical structures on the same horizontal line, and the middle part is a large cylindrical structure. The small cylindrical structure is fixedly installed on the upper end of the large cylindrical structure. The small cylindrical structure at the left end of the centrifugal shaft 6 passes through the through hole 2, and the small cylindrical structure at the right end is inserted into the groove 3 of the shell 5. A connector 7 is sleeved on the outer surface of the centrifugal shaft 6. Both sides of the upper end of the connector 7 are rotatably connected to the same bolt rod 8. The bolt rod 8 is connected by The device 7 is plugged into the bottom end of the sleeve 9, and the lower end structure of the sleeve 9 is plugged into the upper end of the housing 5 through three through holes. The upper end of the sleeve 9 is sleeved with a main shaft 10. The centrifugal shaft 6 and the main shaft 10 are connected to different motors. The left end structure of the main shaft 10 is a spherical structure, and the structures fixed on both ends of the screen 11 are both M-shaped rib structures. The M-shaped rib structure does not affect the loading of the separated material into the screen 11 and supports it with the maximum strength. The screen 11 is fixedly installed on the left side of the main shaft 10, and the screen 11 is a left and right round table structure. , and are fixedly installed at an angle of 20° with the bottom surface of the drum 3. The screen 11 and the drum 3 are both hollow inside, and the screen 11 is provided with a plurality of annular through holes. The left end of the main shaft 10 is sleeved by the fixer 4. When the centrifugal shaft 6 rotates, since the small cylindrical structure remains stationary, and the large cylindrical structure and the small cylindrical structure are not on the same axis, the large cylindrical structure performs centrifugal motion. At the same time, the large cylindrical structure is sleeved with the connector 7, driving the connector 7 to move together. At the same time, the upper end of the connector 7 is rotatably connected with the shaft sleeve 9, and the shaft sleeve 9 is sleeved by the shell 5. The moving connector 7 can make the shaft sleeve 9 reciprocate up and down through the connection and cooperation, and the up and down reciprocating motion of the shaft sleeve 9 drives the main shaft 10 and the right end of the screen 11 to reciprocate up and down. At the same time, the screen 11 is in an inclined state, and the material loaded at the right end of the screen 11 is shaken up and down and slowly moves to the bottom during its rotation, and is packaged and separated through the discharge port, so that the material is violently bumped, the screening is more uniform, and the screening efficiency is improved.
[0031] To sum up, compared with the traditional rotary screen drum screening, the drum assembly for material screening is equipped with a movable structure. Through the set movable structure, when the centrifugal shaft 6 and the main shaft 10 rotate, the right end of the screen 11 moves up and down during the rotation, and the objects to be separated inside the screen 11 are shaken and bumped violently, so that the screening effect is better.
[0032] 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 drum assembly for material screening, comprising a fixed structure and a movable structure, characterized in that: The fixed structure includes a bracket, a leakage pipe is fixedly installed at the lower end of the bracket, a roller is fixedly installed at the upper end of the leakage pipe, a fixture is fixedly installed on the upper surface of the left end of the bracket, and the fixture is connected to the left end of the movable structure; The movable structure includes an outer shell, which is fixedly installed on the upper surface of the right end of the bracket. A centrifugal shaft is inserted into the inside of the fixture, and a connector is sleeved on the outer surface of the centrifugal shaft. The same bolt rod is rotatably connected to both sides of the upper end of the connector, and the bolt rod is inserted into the bottom end of the sleeve through the connector. The upper end of the sleeve is sleeved with a main shaft, and a screen is fixedly installed on the left side of the main shaft, and the left end of the main shaft is sleeved by the fixture.
2. A drum assembly for material screening according to claim 1, characterized in that: The upper end of the bracket is an inclined plane, and the lower end is provided with a rectangular groove, on which a leakage pipe is fixedly installed. The leakage pipe is a tubular structure and is fixed to the lower end of the roller.
3. A drum assembly for material screening according to claim 1, characterized in that: The structure at the left end of the main shaft is a spherical structure, and the structures fixed on both ends of the screen are both M-shaped rib structures. The fixture is provided with groove 2 near the right end of the screen, and groove 2 is a three-quarter spherical groove. The spherical structure at the left end of the main shaft is sleeved on the fixture through groove 2.
4. A drum assembly for material screening according to claim 1, characterized in that: The screen is a left and right truncated cone structure, and is fixedly installed with the drum at an angle of 20° to the bottom surface. The screen and the drum are both hollow inside, and the screen is provided with a plurality of annular through holes.
5. The drum assembly for material screening according to claim 1, characterized in that: The two ends of the centrifugal shaft are small cylindrical structures on the same horizontal line, the middle part is a large cylindrical structure, and the small cylindrical structure is fixedly installed on the upper end part of the large cylindrical structure.
6. A drum assembly for material screening according to claim 4, characterized in that: The centrifugal shaft and the main shaft are both connected to different motors. A through hole 2 and a groove 3 are provided on the side of the shell, and a through hole 3 is provided on the upper end. The through hole 1, the through hole 2 and the through hole 3 are all circular.
7. A drum assembly for material screening according to claim 6, characterized in that: The small cylindrical structure at the left end of the centrifugal shaft passes through the second through hole, the small cylindrical structure at the right end is inserted into the third groove of the shell, and the lower end structure of the sleeve is inserted into the upper end of the shell through the third through hole.