Multi-stage screening device for raw materials in silicone production

Abstract

The utility model discloses a multi-stage screening device for organic silicon production raw materials, including a plurality of sub-screening seats stacked up and down, a screen mesh is arranged at the bottom of the sub-screening seats, the apertures of the screen meshes on the plurality of sub-screening seats gradually decrease from top to bottom, and a base is also included, the sub-screening seat at the bottom is movably arranged on the base, and a vibration motor is installed on the outer wall of the sub-screening seat at the bottom; in the sub-screening seats, a plurality of fixing rods are arranged on the top flange part of the sub-screening seat at the bottom, and through holes are arranged on the top flange parts of the remaining sub-screening seats, the fixing rods are arranged through the through holes on the plurality of sub-screening seats, and a first spring is sleeved on the fixing rods between two adjacent sub-screening seats. The utility model realizes a screening process that is gradually refined from top to bottom through the design of the multi-stage stacked sub-screening seats, and significantly improves the screening efficiency and accuracy.

Description

Technical Field

[0001] The utility model relates to the technical field of organosilicon production, in particular to a multi-stage screening device for organosilicon production raw materials. Background Art

[0002] In the production process of organosilicon, the screening of raw materials is one of the most important pretreatment steps, which is directly related to the quality and efficiency of the subsequent synthesis reaction. Traditional screening equipment often has problems such as low grading efficiency, easy clogging, and difficult maintenance, especially when dealing with organosilicon raw materials with a wide range of particle sizes. These problems are more prominent. These devices usually only use a single or limited number of screen designs, which makes it difficult to effectively achieve accurate separation of materials of different particle sizes, resulting in low purity of the finished product and increased production costs. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a multi-stage screening device for organic silicon production raw materials. Through the design of multi-stage stacked screening seats, a screening process that is gradually refined from top to bottom is realized, which significantly improves the screening efficiency and accuracy.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a multi-stage screening device for organic silicon production raw materials, including a plurality of sub-screening seats stacked up and down, a screen is provided at the bottom of the sub-screening seats, and the apertures of the screens on the plurality of sub-screening seats gradually decrease from top to bottom, and also includes a base, the sub-screening seat at the bottom is movably arranged on the base, and a vibration motor is installed on the outer wall of the sub-screening seat at the bottom;

[0005] In the sub-screen seat, a plurality of fixing rods are arranged on the top flange part of the sub-screen seat located at the bottom, and through holes are arranged on the top flange parts of the other sub-screen seats. The fixing rods are arranged through the through holes on the plurality of sub-screen seats, and a first spring is sleeved on the fixing rods between two adjacent sub-screen seats.

[0006] In a preferred solution, a feed pipe and supporting legs are provided at the bottom of the base, and a downwardly inclined discharge pipe is provided on the side wall of the screening seat.

[0007] In a preferred solution, a same rotating rod is provided through the center of the plurality of sub-screening seats, the lower end of the rotating rod extends into the feeding pipe, and a spiral feeding blade is provided on the rotating rod portion located in the feeding pipe;

[0008] A material shifting rod is fixedly provided on the rotating rod part located in the sub-screening seat. The material shifting rod is horizontally arranged and contacts the top surface of the screen.

[0009] In a preferred solution, a cleaning rod is also provided on the rotating rod portion located in the sub-screen seat. The cleaning rod and the material-moving rod are symmetrically arranged with respect to the rotating rod. A plurality of protrusions are provided on the bottom surface of the cleaning rod, and the protrusions are in contact with the top surface of the screen.

[0010] In a preferred solution, a rectangular head is provided at the upper end of the rotating rod, and a handle is provided on the rectangular head;

[0011] The handle is provided with a rectangular hole, and the rectangular hole is plug-fitted with the rectangular head.

[0012] In a preferred solution, an annular groove is provided on the upper inner wall of the base, a plurality of vertical guide rods are provided on the annular groove, a plurality of plug holes are provided at the bottom of the sub-screen seat at the bottom, and the vertical guide rods extend into the plug holes;

[0013] A second spring is sleeved on the vertical guide rod.

[0014] The utility model provides a multi-stage screening device for organic silicon production raw materials, which has the following beneficial effects by adopting the above structure:

[0015] (1) Through the design of multi-level stacked screening seats, the aperture of each screen is gradually reduced, which realizes the refined classification of raw materials, significantly improves the accuracy and efficiency of screening, ensures the high-quality screening of organic silicon raw materials, and provides a purer raw material basis for subsequent production links;

[0016] (2) The integration of the movable setting of the bottom screen seat and the vibration motor not only effectively avoids the problem of screen blockage, but also enhances the loosening and movement of particles on the screen surface through vibration, which helps to maintain the screening effect, reduce maintenance frequency, and improve continuous operation capacity;

[0017] (3) The innovative use of fixed rods and springs not only ensures the structural stability of the entire screening device, but also absorbs the vibration and impact during operation through the elastic buffering of the springs, thereby extending the service life of the equipment and adapting to various working conditions that may be encountered in production;

[0018] (4) The integrated design of the rotating rod, spiral feeding blade, material removal rod and material cleaning rod not only realizes the output of materials of different particle sizes after screening, but also solves the problem of material jamming in the screen mesh, effectively reduces material residue, reduces energy consumption, and improves the overall processing capacity and production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is a schematic diagram of the structure of the sub-screening seat of the utility model.

[0022] Figure 3 It is a schematic diagram of the top view structure of the base of the utility model.

[0023] In the figure: a screening seat 1, a screen 2, a fixing rod 3, a first spring 4, a vibration motor 5, a base 6, a feeding pipe 7, a leg 8, a rotating rod 9, a spiral feeding blade 10, a feeding rod 11, a cleaning rod 12, a protrusion 13, a rectangular head 14, a handle 15, a rectangular hole 151, a through hole 16, a feeding pipe 17, a ring groove 18, a vertical guide rod 19, and a second spring 20. DETAILED DESCRIPTION

[0024] like Figure 1-3 A multi-stage screening device for raw materials for organic silicon production includes a plurality of sub-screening seats 1 stacked up and down, a screen 2 is provided at the bottom of the sub-screening seats 1, and the apertures of the screens 2 on the plurality of sub-screening seats 1 gradually decrease from top to bottom, and also includes a base 6, the sub-screening seat 1 at the bottom is movably arranged on the base 6, and a vibration motor 5 is installed on the outer wall of the sub-screening seat 1 at the bottom;

[0025] In the sub-screen seat 1, a plurality of fixing rods 3 are provided on the top flange portion of the sub-screen seat 1 located at the bottom, and through holes 16 are provided on the top flange portions of the remaining sub-screen seats 1. The fixing rods 3 are arranged through the through holes 16 on the plurality of sub-screen seats 1, and a first spring 4 is sleeved on the fixing rods 3 between two adjacent sub-screen seats 1.

[0026] In a preferred embodiment, a feed pipe 7 and supporting legs 8 are provided at the bottom of the base 6 , and a downwardly inclined discharge pipe 17 is provided on the side wall of the screening seat 1 .

[0027] In a preferred embodiment, a common rotating rod 9 is provided through the center of the plurality of sub-screening seats 1, the lower end of the rotating rod 9 extends into the feeding tube 7, and a spiral feeding blade 10 is provided on the rotating rod 9 located in the feeding tube 7;

[0028] A material shifting rod 11 is fixedly provided on the rotating rod 9 located in the sub-screening seat 1 . The material shifting rod 11 is horizontally arranged and contacts the top surface of the screen 2 .

[0029] In the preferred embodiment, a cleaning rod 12 is also provided on the rotating rod 9 located in the sub-screening seat 1. The cleaning rod 12 and the material removing rod 11 are symmetrically arranged with respect to the rotating rod 9. A plurality of protrusions 13 are provided on the bottom surface of the cleaning rod 12, and the protrusions 13 are in contact with the top surface of the screen 2.

[0030] In a preferred embodiment, a rectangular head 14 is provided at the upper end of the rotating rod 9, and a handle 15 is provided on the rectangular head 14;

[0031] The handle 15 is provided with a rectangular hole 151 , and the rectangular hole 151 is plugged and matched with the rectangular head 14 .

[0032] In a preferred embodiment, an annular groove 18 is provided on the upper inner wall of the base 6, and a plurality of vertical guide rods 19 are provided on the annular groove 18. A plurality of plug holes are provided at the bottom of the sub-screen seat 1 at the bottom, and the vertical guide rods 19 extend into the plug holes.

[0033] The vertical guide rod 19 is sleeved with a second spring 20 .

[0034] The above embodiment provides a specific implementation of a multi-stage screening device for raw materials for organosilicon production, and the specific structure is as follows:

[0035] Main structure: The device includes 4 layers of sub-screen seats 1 stacked up and down. The size of each layer of sub-screen seats is 600mm in diameter and 300mm in height. The apertures of the screen 2 are 2mm, 1.5mm, 1mm and 0.5mm from top to bottom respectively to meet the screening needs of silicone raw materials of different particle sizes.

[0036] Vibration mechanism: The base 6 is a steel structure with a size of 800mm×800mm×500mm, and a feeding pipe 7 with a diameter of 150mm is set in the center of the bottom. A vibration motor 5 with a power of 0.75kW is installed on the base 6, which is connected to the screening seat 1 at the bottom through an elastic connector, and the amplitude and frequency can be adjusted to optimize the screening effect.

[0037] Fixing and buffering structure: The top flange of the bottom screen seat 1 is provided with three equally spaced fixing rods 3, and the top flanges of the other three sub-screen seats 1 are provided with through holes 16 at corresponding positions. The fixing rods 3 vertically penetrate each sub-screen seat through these through holes, and a first spring 4 is installed between two adjacent sub-screen seats, and the spring coefficient is set to 50N / mm to provide the necessary support force and buffering effect.

[0038] Material conveying and cleaning design: A rotating rod 9 with a diameter of 50 mm runs through the center of the device, and a spiral material discharge blade 10 is installed at the lower end through a threaded connection, and the blade diameter matches the inner diameter of the discharge pipe 7. The rotating rod 9 is fixed with a material-dispensing rod 11 with a length of 300 mm inside each sub-screen seat 1, and keeps a slight contact with the top surface of the screen 2 to promote material flow and realize material flow and discharge after sub-screening. In addition, a cleaning rod 12 is arranged symmetrically with the material-dispensing rod 11, and a plurality of protrusions 13 with a diameter of 10 mm are installed on its bottom surface to remove materials adhering to the screen.

[0039] Convenience of operation: A rectangular head 14 is mounted on the upper end of the rotating rod 9, on which a handle 15 for easy manual rotation is fixed. The handle 15 has a rectangular hole 151 that is plugged with the rectangular head, so that the user can manually adjust the position of the rotating rod or disassemble and maintain the sub-screen seat 1.

[0040] Stability and strengthening measures: An annular groove 18 is set on the upper part of the inner wall of the base 6, and three vertical guide rods 19 are embedded in the annular groove 18. The diameter of the guide rod is 20mm and the length is slightly higher than the height of the sub-screen seat. Four jacks are set at the corresponding positions at the bottom of the bottom screen seat, which are closely matched with the vertical guide rods. A second spring 20 is set on the outer cover of each vertical guide rod 19 to further increase the stability and shock resistance of the equipment.

[0041] The multi-stage screening device for silicone production raw materials in this embodiment realizes efficient and accurate screening operations through the above-mentioned structural design, effectively solves the problems of low efficiency and easy clogging in traditional screening equipment, is suitable for large-scale industrial production, and has good practical value and market application prospects.

Claims

1. A multi-stage screening device for raw materials for production of organic silicon, comprising a plurality of sub-screening seats (1) stacked up and down, a screen (2) being provided at the bottom of the sub-screening seats (1), the apertures of the screens (2) on the plurality of sub-screening seats (1) gradually decreasing from top to bottom, characterized in that: It also includes a base (6), the sub-screening seat (1) located at the bottom is movably arranged on the base (6), and a vibration motor (5) is installed on the outer wall of the sub-screening seat (1) located at the bottom; In the sub-screen seat (1), a plurality of fixing rods (3) are provided on the top flange portion of the sub-screen seat (1) located at the bottom, and through holes (16) are provided on the top flange portions of the remaining sub-screen seats (1). The fixing rods (3) are arranged through the through holes (16) on the plurality of sub-screen seats (1), and a first spring (4) is sleeved on the fixing rods (3) between two adjacent sub-screen seats (1).

2. The multi-stage screening device for raw materials for organic silicon production according to claim 1, characterized in that: The bottom of the base (6) is provided with a feed pipe (7) and supporting legs (8), and the side wall of the screening seat (1) is provided with a downwardly inclined discharge pipe (17).

3. The multi-stage screening device for raw materials for organic silicon production according to claim 2, characterized in that: A common rotating rod (9) is provided through the center of the plurality of sub-screen seats (1), the lower end of the rotating rod (9) extends into the discharge pipe (7), and a spiral discharge blade (10) is provided on the portion of the rotating rod (9) located in the discharge pipe (7); A material shifting rod (11) is fixedly provided on the rotating rod (9) located in the sub-screen seat (1); the material shifting rod (11) is arranged horizontally and contacts the top surface of the screen (2).

4. The multi-stage screening device for raw materials for organosilicon production according to claim 3, characterized in that: A cleaning rod (12) is also provided on the rotating rod (9) located in the sub-screen seat (1). The cleaning rod (12) and the material-moving rod (11) are arranged symmetrically with respect to the rotating rod (9). A plurality of protrusions (13) are provided on the bottom surface of the cleaning rod (12), and the protrusions (13) are in contact with the top surface of the screen (2).

5. The multi-stage screening device for raw materials for organic silicon production according to claim 3, characterized in that: The upper end of the rotating rod (9) is provided with a rectangular head (14), and the rectangular head (14) is provided with a handle (15); The handle (15) is provided with a rectangular hole (151), and the rectangular hole (151) is plug-fitted with the rectangular head (14).

6. The multi-stage screening device for raw materials for organic silicon production according to claim 3, characterized in that: An annular groove (18) is provided on the upper inner wall of the base (6), and a plurality of vertical guide rods (19) are provided on the annular groove (18). A plurality of insertion holes are provided at the bottom of the sub-screen seat (1) at the bottom, and the vertical guide rods (19) extend into the insertion holes. A second spring (20) is sleeved on the vertical guide rod (19).

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