Material accumulation prevention device of screening machine
By designing a screening machine anti-stack device including a dredging rack and a dredging part, the problem of clogging of the existing screening machine screen is solved, and the screening efficiency is improved.
Patent Information
- Application Number
- CN202421790884.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-07-25
AI Technical Summary
Due to the lack of an effective anti-blocking structure in existing screen machines, the mesh holes of the screen mesh are prone to clogging, resulting in insufficiency of screening.
A screening machine anti-stacking device is designed, including a fixing ring, screen, dredging mechanism and drive motor. The dredging mechanism consists of a dredging frame, an installation ring, and multiple dredging parts. The dredging frame is driven by the drive motor to rotate, and the dredging part rotates around the center of the screen. The dredging part is used to unblock the screen hole of the screen to prevent blockage.
It effectively prevents clogging of the screen holes of the screen, reduces the accumulation of materials above the screen, and improves the screening efficiency.
Smart Images
Figure CN222956902U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of screening machines, in particular to a material accumulation prevention device for screening machines. Background Art
[0002] Screening machine refers to a vibration screening machine that uses the relative movement between the material and the screen surface to separate the material into different grades according to the particle size. The screening process of the screening machine is generally continuous. After the screening raw materials are fed to the screening machine, the materials smaller than the size of the screen hole pass through the screen hole, which is called the undersize product; the materials larger than the size of the screen hole are continuously discharged from the screen surface, which is called the oversize product.
[0003] At present, the screen of the screening machine is generally a simple screen plate.
[0004] However, due to the lack of effective anti-blocking structure, the mesh of the existing screening machine is easily blocked during screening, and it is difficult to eliminate the blockage by relying solely on the vibration of the screen itself, resulting in a large amount of material gathering above the screen and low screening efficiency. Utility Model Content
[0005] The utility model aims to solve the shortcomings of the prior art and proposes a material accumulation prevention device for a screening machine. The utility model has the advantage of being able to dredge the screen holes of the screen and prevent the screen holes from being blocked.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A material accumulation prevention device for a screening machine comprises a fixing ring, a screen is installed on the inner side of the fixing ring, a dredging mechanism is arranged on the lower side of the screen, a supporting frame is arranged on the lower side of the dredging mechanism, a driving motor is fixedly connected to the center of the upper end of the supporting frame, the output end of the driving motor is connected to the dredging mechanism, the dredging mechanism comprises a dredging frame, a mounting ring and a plurality of dredging parts, the mounting ring is fixedly connected to the output end of the driving motor, the dredging frame is fixedly connected to the side end of the mounting ring, a plurality of the dredging parts are evenly connected to the upper end of the dredging frame, and the dredging parts are in contact with the lower end surface of the screen.
[0008] Through the above technical scheme: the driving motor is used to drive the mounting ring to rotate the dredging frame, the rotating dredging frame drives the dredging part to rotate around the center of the screen, and the dredging part is used to dredge the screen holes to prevent the screen holes from being blocked, thereby reducing the accumulation of materials above the screen and improving the screening efficiency.
[0009] The utility model is further configured such that the dredging part includes a sliding column, a top ball and an elastic part, the upper end of the dredging frame is provided with a groove adapted to the sliding column, the elastic part is located on the inner side of the groove, and the sliding column is fixedly connected to the inner bottom end of the groove through the elastic part, and the top ball is connected to the upper end of the sliding column and contacts with the screen.
[0010] Through the above technical solution: the top ball intermittently penetrates the sieve holes of the screen through the sliding column under the action of the elastic part, dredges the sieve holes of the screen, and prevents the sieve holes of the screen from being blocked.
[0011] The utility model is further configured that the elastic part includes a compression spring, the compression spring is located at the inner side of the groove, and the sliding column is fixedly connected to the inner bottom end of the groove through the compression spring.
[0012] Through the above technical solution: the top ball cooperates with the sliding column to intermittently penetrate the screen holes of the screen under the action of the compression spring to dredge the screen holes of the screen.
[0013] The utility model is further configured that the upper end of the sliding column is provided with a spherical groove matched with the top ball, and the top ball is movably connected in the spherical groove.
[0014] Through the above technical solution: the movable connection between the top ball and the spherical groove can reduce the wear between the top ball and the screen during the movement of the top ball, thereby reducing the degree of damage to the screen.
[0015] The utility model is further configured that a plurality of reinforcement rings are fixedly connected to the dredging frame, and the plurality of reinforcement rings are arranged concentrically.
[0016] Through the above technical solution: the reinforcing ring can strengthen the strength of the dredging frame, which is beneficial to prolonging the service life of the dredging frame.
[0017] The utility model is further configured such that a reinforcement rod is fixedly connected between two adjacent reinforcement rings, and a limited sliding structure is connected between the reinforcement ring and the inner wall of the fixed ring.
[0018] Through the above technical solution: the reinforcing rod can further strengthen the strength of the dredging frame, and the limited sliding structure can enhance the stability of the dredging frame during rotation.
[0019] The utility model is further configured that the limiting sliding structure includes an annular limiting sliding block fixedly sleeved on the outer end of the reinforcement ring and an annular limiting sliding groove arranged on the inner wall of the fixed ring, and the annular limiting sliding block is slidably connected to the annular limiting sliding groove.
[0020] Through the above technical solution: the annular limiting slider cooperates with the annular limiting slide groove to enhance the stability of the dredging frame during rotation.
[0021] The beneficial effects of the utility model are:
[0022] 1. The anti-material accumulation device of the screening machine is provided with a driving motor, a dredging frame and a dredging part. The driving motor drives the mounting ring to rotate the dredging frame, and the rotating dredging frame drives the dredging part to rotate around the center of the screen. The dredging part is used to dredge the screen holes of the screen to prevent the screen holes from being blocked, thereby reducing the accumulation of materials above the screen and improving the screening efficiency.
[0023] 2. The anti-material accumulation device of the screening machine is provided with a sliding column, a top ball, a compression spring, and the top ball is movably connected to the spherical groove. The top ball intermittently penetrates the sieve holes of the screen through the sliding column under the action of the compression spring to dredge the sieve holes of the screen to prevent the sieve holes of the screen from being blocked. The movably connected mode of the top ball and the spherical groove can reduce the wear between the top ball and the screen during the movement, thereby reducing the degree of damage to the screen.
[0024] 3. The anti-material accumulation device of the screening machine is provided with a reinforcing ring, a reinforcing rod and a limit sliding structure. The reinforcing ring can strengthen the strength of the dredging frame, and the reinforcing rod can further strengthen the dredging frame, which is beneficial to prolonging the service life of the dredging frame. The annular limit sliding block cooperates with the annular limit sliding groove to enhance the stability of the dredging frame during rotation. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 This is a structural schematic diagram of a screening machine material accumulation prevention device in use state proposed by the utility model;
[0026] Figure 2 This is a structural schematic diagram of a device for preventing material accumulation of a screening machine proposed by the utility model;
[0027] Figure 3 This is a structural schematic diagram of a dredging mechanism of a screening machine material accumulation prevention device proposed by the utility model;
[0028] Figure 4 The utility model is a schematic diagram of the structure of the dredging part of the anti-material accumulation device of the screening machine.
[0029] In the figure: 1. fixing ring; 2. screen; 3. support frame; 4. driving motor; 5. dredging mechanism; 501. dredging frame; 502. reinforcement ring; 503. reinforcement rod; 504. mounting ring; 6. dredging part; 601. sliding column; 602. top ball; 603. spherical groove; 7. compression spring; 8. groove; 9. annular limit slider; 10. annular limit slide groove. DETAILED DESCRIPTION
[0030] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.
[0031] Example 1
[0032] Reference Figure 1 and Figure 2 A material accumulation prevention device for a screening machine comprises a fixing ring 1, a screen 2 is installed on the inner side of the fixing ring 1, a dredging mechanism 5 is arranged on the lower side of the screen 2, a supporting frame 3 is arranged on the lower side of the dredging mechanism 5, a driving motor 4 is fixedly connected to the center of the upper end of the supporting frame 3, the output end of the driving motor 4 is connected to the dredging mechanism 5, the dredging mechanism 5 comprises a dredging frame 501, a mounting ring 504 and a plurality of dredging parts 6; the mounting ring 504 is fixedly connected to the output end of the driving motor 4, the dredging frame 501 is fixedly connected to the side end of the mounting ring 504, a plurality of dredging parts 6 are evenly connected to the upper end of the dredging frame 501, and the dredging part 6 is in contact with the lower end surface of the screen 2.
[0033] Further, see Figure 3 and Figure 4 The dredging part 6 includes a sliding post 601, a top ball 602 and an elastic part. The upper end of the dredging frame 501 is provided with a groove 8 adapted to the sliding post 601. The elastic part is located on the inner side of the groove 8, and the sliding post 601 is fixedly connected to the inner bottom end of the groove 8 through the elastic part. The top ball 602 is connected to the upper end of the sliding post 601 and contacts the screen 2. The top ball 602 intermittently penetrates the sieve holes of the screen 2 under the action of the elastic part through the sliding post 601 to dredge the sieve holes of the screen 2 and prevent the sieve holes of the screen 2 from being blocked; the elastic part includes a compression spring 7, and the compression spring 7 is located on the inner side of the groove 8. The sliding post 601 is fixedly connected to the inner bottom end of the groove 8 through the compression spring 7. The top ball 602 cooperates with the sliding post 601 to intermittently penetrate the sieve holes of the screen 2 under the action of the compression spring 7 to dredge the sieve holes of the screen 2.
[0034] Example 2
[0035] Reference Figure 4 The upper end of the sliding column 601 is provided with a spherical groove 603 adapted to the top ball 602, and the top ball 602 is movably connected in the spherical groove 603. The movably connected manner of the top ball 602 and the spherical groove 603 can reduce the wear between the top ball 602 and the screen 2 during the movement, thereby reducing the degree of damage to the screen 2.
[0036] Example 3
[0037] Reference Figure 2 and Figure 3, multiple reinforcement rings 502 are fixedly connected to the dredging frame 501, and the multiple reinforcement rings 502 are arranged concentrically. The reinforcement rings 502 can strengthen the strength of the dredging frame 501, which is beneficial to extending the service life of the dredging frame 501; a reinforcement rod 503 is fixedly connected between two adjacent reinforcement rings 502, and a limited sliding structure is connected between the reinforcement ring 502 and the inner wall of the fixed ring 1. The reinforcement rod 503 can further strengthen the strength of the dredging frame 501, and the limited sliding structure can enhance the stability of the dredging frame 501 during rotation; the limited sliding structure includes an annular limiting slider 9 fixedly sleeved on the outer end of the reinforcement ring 502 and an annular limiting groove 10 arranged on the inner wall of the fixed ring 1, the annular limiting slider 9 is slidably connected to the annular limiting groove 10, and the annular limiting slider 9 cooperates with the annular limiting groove 10 to enhance the stability of the dredging frame 501 during rotation.
[0038] Working principle: The driving motor 4 is used to drive the mounting ring 504 to rotate with the dredging frame 501. The rotating dredging frame 501 rotates around the center of the screen 2 with the dredging part 6. The dredging part 6 is used to dredge the sieve holes of the screen 2 to prevent the sieve holes of the screen 2 from being blocked, thereby reducing the accumulation of materials above the screen 2 and improving the screening efficiency.
[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A device for preventing material accumulation of a screening machine, comprising a fixing ring (1), a screen (2) being installed on the inner side of the fixing ring (1), characterized in that: A dredging mechanism (5) is arranged at the lower side of the screen (2), and a support frame (3) is arranged at the lower side of the dredging mechanism (5). A driving motor (4) is fixedly connected to the center of the upper end of the support frame (3), and the output end of the driving motor (4) is connected to the dredging mechanism (5). The dredging mechanism (5) comprises a dredging frame (501), a mounting ring (504), and a plurality of dredging parts (6). The mounting ring (504) is fixedly connected to the output end of the driving motor (4), the dredging frame (501) is fixedly connected to the side end of the mounting ring (504), and the plurality of dredging parts (6) are evenly connected to the upper end of the dredging frame (501), and the dredging parts (6) are in contact with the lower end surface of the screen (2).
2. A device for preventing material accumulation in a screening machine according to claim 1, characterized in that: The dredging part (6) comprises a sliding column (601), a top ball (602) and an elastic part. The upper end of the dredging frame (501) is provided with a groove (8) adapted to the sliding column (601). The elastic part is located on the inner side of the groove (8). The sliding column (601) is fixedly connected to the inner bottom end of the groove (8) via the elastic part. The top ball (602) is connected to the upper end of the sliding column (601) and is in contact with the screen (2).
3. A device for preventing material accumulation in a screening machine according to claim 2, characterized in that: The elastic part comprises a compression spring (7), the compression spring (7) is located on the inner side of the groove (8), and the sliding column (601) is fixedly connected to the inner bottom end of the groove (8) via the compression spring (7).
4. A device for preventing material accumulation in a screening machine according to claim 3, characterized in that: The upper end of the sliding column (601) is provided with a spherical groove (603) adapted to the top ball (602), and the top ball (602) is movably connected in the spherical groove (603).
5. The device for preventing material accumulation of a screening machine according to claim 1, characterized in that: A plurality of reinforcement rings (502) are fixedly connected to the dredging frame (501), and the plurality of reinforcement rings (502) are arranged concentrically.
6. A device for preventing material accumulation in a screening machine according to claim 5, characterized in that: A reinforcing rod (503) is fixedly connected between two adjacent reinforcing rings (502), and a limited sliding structure is connected between the reinforcing ring (502) and the inner wall of the fixing ring (1).
7. A device for preventing material accumulation in a screening machine according to claim 6, characterized in that: The limiting sliding structure comprises an annular limiting sliding block (9) fixedly sleeved on the outer end of the reinforcing ring (502) and an annular limiting sliding groove (10) arranged on the inner wall of the fixing ring (1), and the annular limiting sliding block (9) is slidably connected to the annular limiting sliding groove (10).