Flexible roller wiping device for working roller

Abstract

The utility model relates to a flexible roller wiper for a working roller, and belongs to the technical field of roller wipers for heavy and medium plate mills in the metallurgical industry. According to the technical scheme, the scraper device comprises a fixed frame (5), a movable block (6), a scraper (8), an upper rubber plate (11), a lower rubber plate (12), a spring (13), a movable plate (14) and a jacking screw (15), the fixed frame (5) is fixed to a guide plate (2) of a working roller (1), the movable plate (14) and the movable block (6) are slidably connected into the fixed frame (5), the jacking screw (15) is in threaded connection to the fixed frame (5), the jacking screw (15) is matched with the movable plate (14), and the movable plate (14) is fixed to the movable block (6). The spring (13) is arranged between the movable plate (14) and the movable block (6), and the movable block (6) is provided with the scraper (8), the upper rubber plate (11) and the lower rubber plate (12). The utility model has the beneficial effects that the scale on the roller surface of the working roller can be effectively cleaned, and the cleaning effect is ensured.

Description

Technical Field

[0001] The utility model relates to a flexible roller wiping device for a working roller, belonging to the technical field of roller wiping devices for medium and thick plate rolling mills in the metallurgical industry. Background Art

[0002] The roller wiper is one of the important assembly parts of the working roll of the medium and thick plate rolling mill. It is installed on the roll guide. During the steel rolling process, the roller wiper is in close contact with the roll surface to clean the iron oxide scale, cutting nodules and other debris on the roll surface to prevent the debris from damaging the working roll surface and affecting the surface quality of the plate.

[0003] In the prior art, the roller wipers are generally flexible roller wipers, and their structure is mainly: a number of wipers are arranged along the length of the roller body and pressed against the roller surface by springs. This type of roller wiper cannot effectively wipe off the tightly attached iron oxide scale, and some of the iron oxide scale will also cause the wipers to deform, affecting the cleaning effect of the iron oxide scale, cutting nodules and other debris on the roller surface. In addition, after the wipers are worn, gaps are inevitably left between adjacent wipers, which not only hide dirt, but also create cleaning dead corners on the working roller. Utility Model Content

[0004] The utility model aims to provide a flexible roller wiping device for a working roller, which can effectively clean the iron oxide scale on the roller surface of the working roller, ensure the cleaning effect, and solve the problems existing in the background technology.

[0005] The technical solution of the utility model is:

[0006] A flexible wiping roller device for a working roller comprises a fixed frame, a movable block, a scraper, an upper rubber plate, a lower rubber plate, a spring, a movable plate and a jacking screw. The fixed frame is fixed on the guide plate of the working roller. The movable plate and the movable block are respectively slidably connected in the fixed frame. The jacking screw is threadedly connected to the fixed frame. The jacking screw cooperates with the movable plate. The spring is arranged between the movable plate and the movable block. The movable block is provided with a scraper, an upper rubber plate and a lower rubber plate which cooperate with the working roller.

[0007] The upper rubber plate and the lower rubber plate are respectively fixed on the movable block, and the scraper is rotatably connected to the movable block through a rotating shaft.

[0008] The upper rubber plate and the lower rubber plate are located below the scraper plate.

[0009] The upper rubber plate and the lower rubber plate are in an eight-shaped shape and matched with the roller surface of the working roller.

[0010] The upper rubber plate comprises a rubber plate body, a wetting head and a water guide pipe. One end of the rubber plate body is fixed on the movable block, and the other end of the rubber plate body is a wetting head water guide pipe arranged in the rubber plate body. One end of the water guide pipe is connected to the water supply pipeline, and the other end of the water guide pipe leads to the wetting head. The wetting head cooperates with the roller surface of the working roll.

[0011] The movable block is provided with two fixed seats, two ends of the rotating shaft are rotatably connected to the two fixed seats, and the scraper is fixed on the rotating shaft.

[0012] A torsion spring is arranged between the rotating shaft and the fixing seat.

[0013] An elastic cloth is arranged between the scraper and the fixed frame.

[0014] The fixing frame is provided with a fixing nut matched with the jacking screw rod.

[0015] The beneficial effects of the utility model are:

[0016] (1) The scraper is in close contact with the surface of the working roll under the elastic force of the torsion spring. When the working roll rotates, the scraper can effectively scrape off the iron oxide scale on the surface of the working roll, ensuring the cleanliness of the working roll surface and improving the cleaning effect;

[0017] (2) The wetting head at the end of the upper rubber plate is used to wet-wipe the surface of the working roll after the scraper cleaning. After the wet-wiping, the surface of the working roll is dry-wiped by the lower rubber plate, thereby improving the cleaning effect;

[0018] (3) It can be applied to working rolls of different diameters and is easy to install and debug. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0020] Figure 2 It is a side sectional view of the utility model;

[0021] Figure 3 This is a front view cross-sectional view of the utility model;

[0022] Figure 4 This is an enlarged schematic diagram of the upper rubber plate of the utility model;

[0023] In the figure: 1, working roller; 2, guide plate; 3, side plate; 4, fixing bolt; 5, fixing frame; 6, movable block; 7, fixing seat; 8, scraper; 9, rotating shaft; 10, elastic cloth; 11, upper rubber plate; 12, lower rubber plate; 13, spring; 14, movable plate; 15, jacking screw; 16, nut;

[0024] 1101. rubber plate body; 1102. wetting head; 1103. water guide pipe. DETAILED DESCRIPTION

[0025] The present invention will be further described below by way of examples with reference to the accompanying drawings.

[0026] See attached Figure 1-4 A flexible wiping roller device for a working roller comprises a fixed frame 5, a movable block 6, a scraper 8, an upper rubber plate 11, a lower rubber plate 12, a spring 13, a movable plate 14 and a jacking screw 15. The fixed frame 5 is fixed on the guide plate 2 of the working roller 1. The movable plate 14 and the movable block 6 are respectively slidably connected in the fixed frame 5. The jacking screw 15 is threadedly connected to the fixed frame 5. The jacking screw 15 cooperates with the movable plate 14. The spring 13 is arranged between the movable plate 14 and the movable block 6. The movable block 6 is provided with a scraper 8, an upper rubber plate 11 and a lower rubber plate 12 that cooperate with the working roller 1.

[0027] In this embodiment, refer to the attached Figure 1-4 The working roll flexible wiping roll device comprises a working roll 1 and a guide plate 2 arranged on the side of the working roll 1, a movable block 6 is movably arranged in a fixed frame 5, a side plate 3 is fixedly arranged on the side of the top of the guide plate 2, and the side plate 3 is fixedly connected to the fixed frame 5 by fixing bolts 4.

[0028] like Figure 1 and Figure 3 As shown, two fixed seats 7 arranged opposite to each other are fixedly mounted on the movable block 6, a rotating shaft 9 is rotatably arranged between the two fixed seats 7, a scraper 8 is fixedly mounted on the rotating shaft 9, and a torsion spring is provided at the connection between the end of the rotating shaft 9 and the fixed seat 7, and the torsion spring is used to provide a rotation force toward the working roll 1 for the rotating shaft 9 and the scraper 8; the scraper 8 is tightly attached to the roller surface of the working roll 1 under the elastic force of the torsion spring, and when the working roll 1 is rotating, the scraper 8 can effectively scrape off the oxidized iron scale on the roller surface of the working roll 1, ensuring the cleanliness of the roller surface of the working roll 1, improving the cleaning effect, and compared with the traditional wiping block cleaning, the cleaning is more thorough, the scraper 8 is the same length as the working roll 1, and there is no cleaning dead angle. In addition, since the rotating shaft 9 and the scraper 8 are tightly attached to the roller surface of the working roll 1 under the elastic force of the torsion spring, the scraper 8 can produce an adaptive displacement according to the roller diameter of the working roll 1, so as to be suitable for working rolls 1 of different diameters, which is convenient for installation and debugging, and further improves the use effect.

[0029] In this embodiment, an upper rubber plate 11 and a lower rubber plate 12 are fixedly installed in an eight-shaped pattern at one end of the movable block 6 close to the working roll 1. The upper rubber plate 11 and the lower rubber plate 12 are closely attached to the working roll 1. Figure 3 and Figure 4As shown, the upper rubber plate 11 includes a rubber plate body 1101 and a wetting head 1102 disposed at the end of the rubber plate body 1101, and the wetting head 1102 is connected to the water supply pipeline through a water guide pipe 1103. The wetting head 1102 at the end of the upper rubber plate 11 can wet-wipe the roller surface of the working roller 1 after being cleaned by the scraper 8, and after wet-wiping, the roller surface of the working roller 1 can be dry-wiped again through the lower rubber plate 12, further improving the cleaning effect and making the cleaning more thorough.

[0030] In this embodiment, the wetting head 1102 is made of a water-absorbing material, such as absorbent cotton, and the water pipe 1103 passes through the rubber plate body 1101 and the movable block 6 and is connected to the water supply pipe.

[0031] like Figure 2 As shown, an elastic cloth 10 is further provided between the outer wall surface of the scraper 8 and the fixed frame 5 , and the elastic cloth 10 can guide the dirt scraped off by the scraper 8 to slide down.

[0032] like Figure 3 As shown, a movable plate 14 is movably arranged in the fixed frame 5, and a spring 13 is evenly arranged between the movable plate 14 and the end of the movable block 6 away from the working roll 1. A nut 16 is fixedly installed on the left end of the fixed frame 5, and a jacking screw 15 is threadedly connected to the nut 16. The jacking screw 15 is used to jack the movable plate 14. When the jacking screw 15 is rotated, the jacking screw 15 will push the movable plate 14 to the right, and the movable plate 14 moves to the right and pushes the movable block 6 through the spring 13, so that the scraper 8, the upper rubber plate 11 and the lower rubber plate 12 of the movable block 6 can fit more closely with the roller surface of the working roll 1.

[0033] Through the arrangement of the movable block 6, the spring 13, the movable plate 14 and the jacking screw 15, the scraper 8, the upper rubber plate 11, the lower rubber plate 12 can be elastically fitted with the roller surface of the working roll 1, so as to be applicable to working rolls 1 of different diameters. Moreover, the closer the scraper 8, the upper rubber plate 11, the lower rubber plate 12 are fitted with the roller surface of the working roll 1, the better the cleaning effect.

Claims

1. A flexible working roll wiping device, characterized in that: The invention comprises a fixed frame (5), a movable block (6), a scraper (8), an upper rubber plate (11), a lower rubber plate (12), a spring (13), a movable plate (14) and a jacking screw (15); the fixed frame (5) is fixed on a guide plate (2) of a working roller (1); the movable plate (14) and the movable block (6) are respectively slidably connected in the fixed frame (5); the jacking screw (15) is threadedly connected to the fixed frame (5); the jacking screw (15) matches the movable plate (14); the spring (13) is arranged between the movable plate (14) and the movable block (6); and the movable block (6) is provided with a scraper (8), an upper rubber plate (11) and a lower rubber plate (12) which match the working roller (1).

2. A flexible working roll wiping device according to claim 1, characterized in that: The upper rubber plate (11) and the lower rubber plate (12) are respectively fixed on the movable block (6), and the scraper (8) is rotatably connected to the movable block (6) via a rotating shaft (9).

3. A flexible working roll wiping device according to claim 2, characterized in that: The upper rubber plate (11) and the lower rubber plate (12) are located below the scraper plate (8).

4. A flexible working roll wiping device according to claim 3, characterized in that: The upper rubber plate (11) and the lower rubber plate (12) are in an eight-shaped configuration and match the roller surface of the working roller (1).

5. A flexible working roll wiping device according to claim 4, characterized in that: The upper rubber plate (11) comprises a rubber plate body (1101), a wetting head (1102) and a water pipe (1103); one end of the rubber plate body (1101) is fixed on the movable block (6); the other end of the rubber plate body (1101) is the wetting head (1102); the water pipe (1103) is arranged in the rubber plate body (1101); one end of the water pipe (1103) is connected to a water supply pipeline; the other end of the water pipe (1103) leads to the wetting head (1102); the wetting head (1102) cooperates with the roller surface of the working roller (1).

6. A working roll flexible wiping roll device according to claim 2, characterized in that: The movable block (6) is provided with two fixed seats (7), the two ends of the rotating shaft (9) are rotatably connected to the two fixed seats (7), and the scraper (8) is fixed on the rotating shaft (9).

7. A flexible working roll wiping device according to claim 6, characterized in that: A torsion spring is provided between the rotating shaft (9) and the fixing seat (7).

8. A flexible working roll wiping device according to claim 6, characterized in that: An elastic cloth (10) is provided between the scraper (8) and the fixed frame (5).

9. The flexible working roll wiping device according to claim 1, characterized in that: The fixed frame (5) is provided with a fixing nut (16) which matches the jacking screw rod (15).

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