Air purging device on outlet side of rolling mill

Abstract

The utility model relates to the technical field of metal strip rolling production, and discloses a rolling mill outlet side air purging device which comprises a box body, a limiting column is fixedly connected in the box body, a sliding block is connected in the limiting column in a sliding mode, a spring is arranged on the temporal portion of the limiting column, one end of the spring is fixedly connected to the side wall of the sliding block, and the other end of the spring is fixedly connected to the side wall of the sliding block. The other end of the spring is fixedly connected to the interior of the limiting column, the side wall of the sliding block is fixedly connected with a fixing frame, the side wall of the fixing frame is rotationally connected with a limiting roller, the side wall of the limiting column is fixedly connected with a baffle, and the side wall of the fixing frame is slidably connected to the interior of the baffle. According to the air blowing device, the effect of limiting the metal strip is achieved through cooperation of the limiting columns, the sliding blocks, the springs, the fixing frames, the limiting rollers and the baffles, and the problem that strip materials with different thicknesses are inconvenient to limit due to the fact that guide rollers of air blowing devices on the outlet sides of part of rolling mills are installed and fixed is solved; through the structure, the practicability of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of metal strip rolling production, in particular to an air blowing device at the outlet side of a rolling mill. Background Art

[0002] During the rolling process of strips such as aluminum strips and aluminum foils, aluminum or aluminum alloy blanks are processed into aluminum strips or foils by working rollers. During the strip rolling production process, a large amount of dust is usually generated under the high rolling speed, high rolling temperature and multi-stand continuous rolling conditions of the last stand of the finishing mill. After these dusts are mixed with water vapor, large-particle sludge mixtures are formed on the upper surface of the strip. Along with the rolling process, they are carried into the roll gap of the next stand rolling mill, and then pressed into the upper surface of the strip, causing quality defects such as foreign matter pressing into the upper surface of the hot-rolled strip and chrome pits. Therefore, air purge devices are often used to remove impurities, liquids or other unnecessary substances on the metal plate at the outlet of the rolling mill.

[0003] A Chinese patent document with a search announcement number of CN220049463U discloses an air purge device at the outlet side of a rolling mill. Aiming at the problem that the oil removal effect becomes worse as the distance of the airflow increases, and the oil tends to stay on one side, the following scheme is proposed, which includes a supporting frame, the interior of the supporting frame is fixedly connected to a frame, the top of the frame is fixedly connected to an oil cylinder, the bottom of the output end of the oil cylinder is fixedly connected to a first fixed frame, and the interior of the frame is fixedly connected to a second fixed frame. The utility model is provided with a motor, an L-shaped limiting plate, a return frame, an eccentric wheel, a round sleeve, a spring, a T-shaped column, a fixed plate, a scraper, an air outlet and an inclined hole. When the air pump is operated, the airflow enters the air outlet and the inclined hole, the scraper moves to scrape the oil to both sides, and the airflow moves with the scraper, so as to facilitate the uniform oil removal of the aluminum foil. However, the patent does not take into account the problem that it is inconvenient to limit strips of different thicknesses due to the relatively fixed installation of the guide roller. Utility Model Content

[0004] In order to remedy the above shortcomings, the utility model provides an air purge device on the outlet side of a rolling mill, aiming to improve the problem that the guide rollers of the air purge device on the outlet side of some rolling mills are installed relatively fixedly, which makes it inconvenient to limit strips of different thicknesses.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air purge device on the outlet side of a rolling mill, comprising a box body, a limiting column fixedly connected to the inside of the box body, a slider slidably connected to the inside of the limiting column, a spring is provided at the temporal part of the limiting column, one end of the spring is fixedly connected to the side wall of the slider, and the other end of the spring is fixedly connected to the inside of the limiting column, the side wall of the slider is fixedly connected to a fixing frame, the side wall of the fixing frame is rotatably connected to a limiting roller, the side wall of the limiting column is fixedly connected to a baffle, the side wall of the fixing frame is slidably connected to the inside of the baffle, and the side wall of the box body is provided with an auxiliary component.

[0006] Through the above technical solution, the effect of limiting the position of the metal strip is achieved.

[0007] Furthermore, the auxiliary component includes a side panel, and the side wall of the side panel is fixedly connected to the side wall of the box body.

[0008] Through the above technical solution, the effect of facilitating the placement of metal strips is achieved.

[0009] Furthermore, a hydraulic rod is fixedly connected inside the box, and a scraper is fixedly connected to an output end of the hydraulic rod.

[0010] Through the above technical solution, the effect of making the scraper stick to the surface of the metal strip is achieved.

[0011] Furthermore, a dust suction fan is fixedly connected to the interior of the box, and the dust suction fan is arranged in the middle of the box.

[0012] Through the above technical solution, the dust collection effect is achieved.

[0013] Furthermore, a base is fixedly connected to the lower surface of the box body, and a collecting drawer is slidably connected inside the base.

[0014] Through the above technical solution, the effect of collecting dust is achieved.

[0015] Furthermore, a handle is fixedly connected to the side wall of the collecting drawer, and a connecting pipe is slidably connected to the inside of the collecting drawer.

[0016] Through the above technical solution, the collecting drawer can be pulled out through the handle.

[0017] Furthermore, the side wall of the connecting pipe is fixedly connected to the inside of the base, and one end of the connecting pipe is fixedly connected to a dust cover.

[0018] Through the above technical solution, a channel for conveying dust is provided.

[0019] Furthermore, the side wall of the dust cover is fixedly connected to the side wall of the dust suction fan.

[0020] Through the above technical solution, the effect of collecting the dust into the collecting bin is achieved.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the effect of limiting the metal strip is achieved through the cooperation between the limiting column, the slider, the spring, the fixing frame, the limiting roller and the baffle, which solves the problem that the guide roller of the air purge device on the outlet side of some rolling mills is relatively fixed and it is not convenient to limit the strips of different thicknesses. The practicability of the equipment is improved through the above structure.

[0023] 2. In the utility model, the effect of cleaning and collecting dust and impurities is achieved through the cooperation between the hydraulic rod, scraper, side plate, dust suction fan, base, collection drawer, handle, connecting pipe and dust hood, which solves the problem that the structure of the air blowing device on the outlet side of some rolling mills is relatively simple and inconvenient to collect dust and impurities. The efficiency of collecting dust is improved through the above structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a three-dimensional diagram of an air blowing device at the outlet side of a rolling mill proposed by the utility model;

[0025] Figure 2 This is a cross-sectional view of a box of an air purge device at the outlet side of a rolling mill proposed by the utility model;

[0026] Figure 3 This is a base structure diagram of an air blowing device at the outlet side of a rolling mill proposed by the utility model.

[0027] Legend:

[0028] 1. Box body; 2. Limit column; 3. Slider; 4. Spring; 5. Fixed frame; 6. Limit roller; 7. Hydraulic rod; 8. Scraper; 9. Side panel; 10. Dust suction fan; 11. Base; 12. Collection drawer; 13. Handle; 14. Connecting pipe; 15. Dust hood; 16. Baffle. DETAILED DESCRIPTION

[0029] 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.

[0030] Reference Figure 1-2The utility model provides an embodiment: an air purge device at the outlet side of a rolling mill, comprising a box body 1, a limiting column 2 is fixedly connected inside the box body 1, a slider 3 is slidably connected inside the limiting column 2, a spring 4 is arranged at the temporal part of the limiting column 2, one end of the spring 4 is fixedly connected to the side wall of the slider 3, the other end of the spring 4 is fixedly connected to the inside of the limiting column 2, a fixing frame 5 is fixedly connected to the side wall of the slider 3, the side wall of the fixing frame 5 is rotatably connected to the limiting roller 6, the side walls of the upper and lower limiting columns 2 close to each other are fixedly connected to baffles 16, the side walls of the fixing frame 5 are slidably connected to the inside of the baffle 16, the side walls of the box body 1 are arranged with auxiliary components, the auxiliary components include side plates 9, and the side walls of the side plates 9 are fixedly connected to the side walls of the box body 1.

[0031] In the cleaning work of the metal strip, one end of the strip is passed through the inner side of the side plate 9, and then the strip is passed through the inside of the side plate 9 on the other side, so that the strip can pass between the limiting rollers 6. The function of the limiting rollers 6 is to limit the movement range of the strip and ensure the stability of the cleaning process. When the strip passes through the limiting rollers 6, due to the thickness of the strip itself, a certain extrusion effect will be exerted on the limiting rollers 6. This extrusion will cause the limiting rollers 6 to move to both sides. During the movement of the limiting rollers 6, the fixed frame 5 will also move accordingly, and the slider 3 will slide inside the limiting column 2, thereby achieving the extrusion of the spring 4. After being squeezed, the spring 4 will deform and generate an opposite elastic force, so that the limiting rollers 6 are tightly attached to the surface of the strip, achieving the limitation of the strip and ensuring that the metal strip remains stable during the processing.

[0032] Reference Figure 2 - Figure 3 A hydraulic rod 7 is fixedly connected to the inside of the box body 1, and a scraper 8 is fixedly connected to the output end of the hydraulic rod 7. A dust suction fan 10 is fixedly connected to the inside of the box body 1, and the dust suction fan 10 is arranged in the middle of the box body 1. A base 11 is fixedly connected to the lower surface of the box body 1, and a collecting drawer 12 is slidably connected to the inside of the base 11. A handle 13 is fixedly connected to the side wall of the collecting drawer 12. A connecting pipe 14 is slidably connected to the inside of the collecting drawer 12, and the side wall of the connecting pipe 14 is fixedly connected to the inside of the base 11. A dust cover 15 is fixedly connected to one end of the connecting pipe 14, and the side wall of the dust cover 15 is fixedly connected to the side wall of the dust suction fan 10.

[0033] In the industrial production process, cleaning and maintaining the surface of the strip is an important task. In order to achieve this goal, we have designed a strip cleaning device, which drives the scraper 8 to move by starting the hydraulic rod 7, so that the scraper 8 fits tightly on the surface of the strip. As the strip moves, the dust and impurities on the surface of the strip will be scraped off by the scraper 8 and quickly sucked by the dust suction fan 10, and the dust and impurities will be transported to the collection drawer 12 through the connecting pipe 14 for automatic collection. After the cleaning work is completed, the collected dust and impurities can be cleaned by simply taking the collection drawer 12 out of the base 11 through the handle 13.

[0034] Working principle: When using the equipment to clean metal strips, first insert one end of the strip from the inner side of the side plate 9, and then pass it out from the inside of the other side plate 9. At this time, the strip will pass between the limiting rollers 6, and due to its own thickness, it will squeeze the limiting rollers 6 and move them to both sides. The movement of the limiting rollers 6 will cause the fixed frame 5 to slide toward the inside of the limiting column 2 through the slider 3, and squeeze the spring 4 to deform it. The opposite force generated by the spring 4 will make the limiting rollers 6 fit the surface of the strip to limit it. After the drive and fixation are completed, the scraper 8 is driven to move by starting the hydraulic rod 7, so that the scraper 8 is attached to the surface of the strip. At this time, the strip is moved and the dust suction fan 10 is started. As the strip moves, the scraper 8 will scrape off the dust and impurities on its surface, and they will be sucked by the dust suction fan 10. These dust and impurities will enter the interior of the connecting pipe 14 through the dust hood 15, and finally be sent to the interior of the collecting bin 12 for collection. After the work is completed, the collecting bin 12 is pulled out from the interior of the base 11 by the handle 13 to clean the collected dust and impurities.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An air purge device at the outlet side of a rolling mill, comprising a box (1), characterized in that: The box body (1) is fixedly connected to a limit column (2), the limit column (2) is slidably connected to a slider (3), the limit column (2) is provided with a spring (4) at its temporal portion, one end of the spring (4) is fixedly connected to a side wall of the slider (3), the other end of the spring (4) is fixedly connected to the inside of the limit column (2), the side wall of the slider (3) is fixedly connected to a fixing frame (5), the side wall of the fixing frame (5) is rotatably connected to a limit roller (6), the side wall of the limit column (2) is fixedly connected to a baffle (16), the side wall of the fixing frame (5) is slidably connected to the inside of the baffle (16), and the side wall of the box body (1) is provided with an auxiliary component.

2. The air purge device at the outlet of a rolling mill according to claim 1, characterized in that: The auxiliary component comprises a side plate (9), and a side wall of the side plate (9) is fixedly connected to a side wall of the box body (1).

3. The air purge device at the outlet of a rolling mill according to claim 1, characterized in that: A hydraulic rod (7) is fixedly connected inside the box body (1), and a scraper (8) is fixedly connected to the output end of the hydraulic rod (7).

4. The air purge device at the outlet of a rolling mill according to claim 3, characterized in that: A dust suction fan (10) is fixedly connected to the interior of the box (1), and the dust suction fan (10) is arranged in the middle of the box (1).

5. The air purge device at the outlet of a rolling mill according to claim 4, characterized in that: The lower surface of the box body (1) is fixedly connected to a base (11), and the interior of the base (11) is slidably connected to a collecting drawer (12).

6. The air purge device at the outlet of a rolling mill according to claim 5, characterized in that: A handle (13) is fixedly connected to the side wall of the collecting drawer (12), and a connecting pipe (14) is slidably connected inside the collecting drawer (12).

7. The air purge device at the outlet of a rolling mill according to claim 6, characterized in that: The side wall of the connecting pipe (14) is fixedly connected to the inside of the base (11), and one end of the connecting pipe (14) is fixedly connected to a dust cover (15).

8. The air purge device at the outlet of a rolling mill according to claim 7, characterized in that: The side wall of the dust cover (15) is fixedly connected to the side wall of the dust suction fan (10).

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