Screening equipment with anti-blocking function

Abstract

The utility model discloses screening equipment with an anti-blocking function, which relates to the technical field of screening equipment and comprises a screening box, a support shaft, a screening disc, a bidirectional screw rod, a screw rod nut, a support rod and a flexible top head. According to the refining slag screening device, the multiple screening discs are arranged, so that multi-stage screening treatment of refining slag can be achieved, the screening discs are designed to be of an inverted-funnel-shaped structure, the refining slag moves from the middle to the outer side in the rotating movement process of the screening discs, and the screening treatment effect on the refining slag can be effectively guaranteed; the bidirectional lead screw drives the lead screw nut to ascend and descend, the lead screw nut drives the supporting rod to ascend and descend, the supporting rod drives the flexible ejector head to ascend and descend, refining slag blocked in the through hole of the screening disc can be effectively ejected upwards, non-stop cleaning treatment on the screening disc is achieved, and the screening disc is prevented from being blocked; and meanwhile, normal screening treatment work of the screening disc is prevented from being affected by cleaning work, and the screening treatment effect of the screening disc can be effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of screening equipment, in particular to screening equipment with an anti-blocking function. Background Art

[0002] Refined slag refers to the technology of mixing raw materials in a certain proportion and particle size, heating them below the melting point of the raw materials, sintering the raw materials together, and then crushing them into particles. In the metallurgical process, the composition of slag has a very important influence on the cleanliness of molten steel. By reasonably controlling the composition of refined slag, the content of inclusions and harmful elements in molten steel can be effectively reduced, thereby obtaining high-cleanliness steel. In the production process, refined slag needs to be screened according to different particle sizes to ensure the particle size of the refined slag.

[0003] Patent (CN220239196U) discloses a sintered refined slag screening device, including a workbench, a baffle is arranged inside the workbench, a round opening is opened on one side of the workbench, an exhaust fan is fixedly connected inside the round opening, a threaded groove is opened on the outer surface of the exhaust fan, a collection box is threadedly connected inside the threaded groove, a placement box is fixedly connected on the other side of the workbench, a sealed door is hinged on the outer surface of the workbench, and a handle is arranged on the outer surface of the sealed door. The sintered refined slag screening device, through the setting of the sealed door, allows the staff to open the sealed door by pulling the handle to inspect and replace the internal parts when it is necessary to clean or replace the internal parts, or to clean the internal device when it is necessary, which reduces the problem that the device is mostly integrated and difficult to clean and replace the internal parts.

[0004] The refined slag screening equipment in the above patent document is prone to clogging and damage during the screening process, which shortens the service life of the equipment. Utility Model Content

[0005] The purpose of the utility model is to provide a screening device with an anti-clogging function to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a screening device with anti-blocking function, comprising a screening box, a rotatably connected support shaft is vertically provided inside the screening box, a plurality of screening discs are horizontally provided on the outer wall of the support shaft from top to bottom, and the screening disc is an inverted funnel-shaped structure, a bidirectional screw is provided on the outer wall of the support shaft below the screening disc, a screw nut is movably matched with a sleeve on the outer wall of the bidirectional screw, support rods are symmetrically provided on both sides of the outer wall of the screw nut, and a plurality of flexible pins are vertically provided on the top of the support rods.

[0007] Furthermore, a feed port is provided on one side of the top of the screening box, a feed rack is provided on the top of the screening box above the feed port, a servo motor is provided at the center of the bottom of the screening box, and an output end of the servo motor is fixedly connected to the bottom of the support shaft.

[0008] Furthermore, the outer wall of the screening box is provided with a first feed pipe outside the screening disc, and two adjacent first feed pipes are respectively provided at different positions of the outer wall of the screening box.

[0009] Furthermore, a material discharge cavity is provided at the bottom of the inner wall of the screening box, and a second material discharge pipe is provided at the bottom of the material discharge cavity on the outer wall of the screening box. The second material discharge pipe and the first material discharge pipe are respectively arranged at different positions of the outer wall of the screening box.

[0010] Furthermore, the outer wall of the support shaft is provided with a paddle inside the material discharge cavity, and the paddle is in contact with the inner wall of the material discharge cavity.

[0011] Furthermore, a slide bar is vertically provided on the outer wall of the support rod away from one end of the screw nut, and a slide groove matching the slide bar is vertically provided on the inner wall of the screening box.

[0012] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0013] 1. The utility model provides a screening box, a support shaft, a screening disc, a bidirectional screw, a screw nut, a support rod and a flexible head, and puts the refined slag to be screened into the screening box. The support shaft is adjusted to rotate, and the support shaft drives the screening disc to rotate. The screening disc performs a rotary screening process on the refined slag. The arrangement of multiple screening discs can realize multi-stage screening of the refined slag. The screening disc is designed to be an inverted funnel-shaped structure, so that the refined slag moves from the middle to the outside during the rotating movement of the screening disc, ensuring that the refined slag is in a moving state. Screening treatment can effectively ensure the screening treatment effect of the refined slag; the bidirectional screw rotates with the support shaft, the bidirectional screw drives the screw nut to lift and lower, the screw nut drives the support rod to lift and lower, the support rod drives the flexible head to lift and lower, which can effectively push up the refined slag blocked in the through hole of the screening disk, realize non-stop cleaning of the screening disk, avoid clogging of the screening disk, and avoid cleaning work affecting the normal screening treatment work of the screening disk, which can effectively ensure the screening treatment effect of the screening disk.

[0014] 2. In the utility model, when the refined slag to be screened is screened, the refined slag is put into the screening box through the feed rack and the feed port. The servo motor drives the support shaft to rotate, and the support shaft drives the screening disk to rotate, and the screening disk screens the refined slag. The first discharge pipe is arranged at different positions of the screening box to facilitate the collection and processing of the screened refined slag, so as to avoid the mixing of refined slags of different particle sizes after screening. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is the front view of the utility model as a whole;

[0017] Figure 2 It is a front cross-sectional view of the utility model as a whole;

[0018] Figure 3 This utility model Figure 2 The enlarged schematic diagram of point A in the middle;

[0019] Figure 4 It is a front cross-sectional view of another state of the utility model as a whole;

[0020] In the figure: 1. screening box; 2. supporting shaft; 3. screening disc; 4. bidirectional screw; 5. screw nut; 6. supporting rod; 7. flexible top; 8. feed inlet; 9. feed rack; 10. first feed pipe; 11. feed cavity; 12. servo motor; 13. paddle; 14. second feed pipe; 15. slide bar; 16. slide trough. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-Figure 4The utility model provides a technical solution: a screening device with anti-blocking function, including a screening box 1, a supporting shaft 2 connected vertically and rotatably arranged inside the screening box 1, and a plurality of screening discs 3 are horizontally arranged on the outer wall of the supporting shaft 2 from top to bottom, and the screening disc 3 is an inverted funnel-shaped structure. A two-way screw rod 4 is arranged on the outer wall of the supporting shaft 2 below the screening disc 3, and a screw nut 5 is movably matched with the outer wall of the two-way screw rod 4. Support rods 6 are symmetrically arranged on both sides of the outer wall of the screw nut 5, and a plurality of flexible headers 7 are vertically arranged on the top of the support rod 6; a sliding bar 15 is vertically arranged on the outer wall of the support rod 6 away from the screw nut 5, and a sliding groove 16 matching the sliding bar 15 is vertically arranged on the inner wall of the screening box 1, and the sliding bar 15 supports the support rod 6, and the sliding groove 16 performs sliding support on the sliding bar 15 in the vertical direction, so that the support rod 6 can only move up and down.

[0023] A feed port 8 is provided on one side of the top of the screening box 1, and a feed rack 9 is provided on the top of the screening box 1 above the feed port 8. When the refined slag to be screened is screened, the refined slag is put into the screening box 1 through the feed rack 9, and the refined slag passes through the feed port 8 through the feed rack 9 and enters the screening box 1 for screening. A servo motor 12 is provided at the bottom center of the screening box 1, and the output end of the servo motor 12 is fixedly connected to the bottom of the support shaft 2. The servo motor 12 drives the support shaft 2 to rotate, and the support shaft 2 drives the screening plate 3 performs a rotating motion, and the screening disc 3 performs screening on the refined slag; the outer wall of the screening box 1 is provided with a first feeding pipe 10 outside the screening disc 3, and two adjacent first feeding pipes 10 are respectively arranged at different positions of the outer wall of the screening box 1, and the first feeding pipe 10 performs feeding on the refined slag screened by the screening disc 3. The first feeding pipe 10 is arranged at different positions of the screening box 1, so as to facilitate the collection and treatment of the screened refined slag, and avoid the mixing of refined slags of different particle sizes during feeding after screening.

[0024] The bottom of the inner wall of the screening box 1 is provided with a feeding cavity 11, and the outer wall of the screening box 1 is provided with a second feeding pipe 14 at the bottom of the feeding cavity 11. The second feeding pipe 14 and the first feeding pipe 10 are respectively arranged at different positions of the outer wall of the screening box 1. The feeding cavity 11 receives and processes the refined slag with the smallest particle size at the bottom of the inner wall of the screening box 1. The second feeding pipe 14 is used for feeding and processing the refined slag inside the feeding cavity 11. The second feeding pipe 14 and the first feeding pipe 10 are arranged at different positions of the screening box 1, which is convenient for feeding the refined slag after screening. The refined slag is collected and processed for discharge, so as to avoid the mixing of refined slags of different particle sizes during discharge after screening; the outer wall of the support shaft 2 is provided with a paddle 13 inside the discharge chamber 11, and the paddle 13 is in contact with the inner wall of the discharge chamber 11. During the rotation of the support shaft 2, the paddle 13 rotates with the support shaft 2, and the paddle 13 rotates on the inner wall of the discharge chamber 11, which can effectively rotate the refined slag inside the discharge chamber 11, so as to facilitate the discharge of the refined slag inside the discharge chamber 11 from the second discharge pipe 14.

[0025] The working principle of this utility model:

[0026] Refer to the instruction manual Figure 1-Figure 4 The utility model provides a screening box 1, a support shaft 2, a screening disc 3, a bidirectional screw 4, a screw nut 5, a support rod 6 and a flexible head 7, and the refined slag to be screened is put into the screening box 1, and the support shaft 2 is adjusted to rotate, and the support shaft 2 drives the screening disc 3 to rotate, and the screening disc 3 performs a rotary screening process on the refined slag. The refined slag continuously passes through the screening disc 3 for screening during the rotating movement of the screening disc 3. The arrangement of multiple screening discs 3 can realize multi-stage screening of the refined slag. The screening disc 3 is designed to be an inverted funnel-shaped structure, so that the refined slag moves from the middle to the outside during the rotating movement of the screening disc 3, ensuring that the refined slag is in a moving state for screening, which can effectively ensure the screening effect of the refined slag.

[0027] During the rotation of the support shaft 2, the bidirectional screw 4 rotates along with the support shaft 2, the bidirectional screw 4 drives the screw nut 5 to perform lifting and lowering movements, the screw nut 5 drives the support rod 6 to perform lifting and lowering movements, the support rod 6 drives the flexible top head 7 to perform lifting and lowering movements, the support rod 6 can effectively drive the flexible top head 7 to perform lifting and lowering movements, so that the flexible top head 7 is inserted into the inner side of the through hole of the screening disc 3 to push up and fall, which can effectively push up the refined slag blocked in the through hole of the screening disc 3, realize the non-stop cleaning of the screening disc 3, avoid the screening disc 3 from being blocked, and at the same time avoid the cleaning work from affecting the normal screening processing work of the screening disc 3, which can effectively ensure the screening processing effect of the screening disc 3.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A screening device with anti-clogging function, comprising a screening box (1), characterized in that: A rotatably connected support shaft (2) is vertically arranged inside the screening box (1); a plurality of screening discs (3) are horizontally arranged in sequence from top to bottom on the outer wall of the support shaft (2); the screening discs (3) are inverted funnel-shaped structures; a bidirectional screw rod (4) is arranged on the outer wall of the support shaft (2) below the screening discs (3); a screw rod nut (5) is movably matched with the outer wall of the bidirectional screw rod (4); support rods (6) are symmetrically arranged on both sides of the outer wall of the screw rod nut (5); and a plurality of flexible headers (7) are vertically arranged on the top of the support rod (6).

2. The screening device with anti-clogging function according to claim 1, characterized in that: A feed port (8) is provided on one side of the top of the screening box (1), a feed frame (9) is provided on the top of the screening box (1) above the feed port (8), a servo motor (12) is provided at the center of the bottom of the screening box (1), and an output end of the servo motor (12) is fixedly connected to the bottom of the support shaft (2).

3. The screening device with anti-clogging function according to claim 1, characterized in that: The outer wall of the screening box (1) is provided with a first feed pipe (10) outside the screening plate (3), and two adjacent first feed pipes (10) are respectively arranged at different positions on the outer wall of the screening box (1).

4. The screening device with anti-clogging function according to claim 3 is characterized in that: The bottom of the inner wall of the screening box (1) is provided with a material discharge cavity (11), and the outer wall of the screening box (1) is provided with a second material discharge pipe (14) at the bottom of the material discharge cavity (11); the second material discharge pipe (14) and the first material discharge pipe (10) are respectively arranged at different positions on the outer wall of the screening box (1).

5. The screening device with anti-clogging function according to claim 4, characterized in that: The outer wall of the support shaft (2) is provided with a paddle (13) inside the material discharge cavity (11), and the paddle (13) is in contact with the inner wall of the material discharge cavity (11).

6. The screening device with anti-clogging function according to claim 1, characterized in that: A sliding bar (15) is vertically provided on the outer wall of the support rod (6) at one end away from the screw nut (5), and a sliding groove (16) matching the sliding bar (15) is vertically provided on the inner wall of the screening box (1).

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