Centering roller structure of hot mill

Abstract

The centering roller structure of the hot mill comprises a centering roller body, connecting shafts are fixedly connected to the left end and the right end of the centering roller body respectively, mounting seats are arranged on the left side face and the right side face of the centering roller body respectively, and bearings are fixedly embedded in the side faces, close to each other, of the two mounting seats respectively. Inner rings of the two bearings are fixedly connected with the ends, away from each other, of the two connecting shafts correspondingly, positioning holes are formed in the side faces, away from each other, of the two mounting bases correspondingly, and flange faces are fixedly connected to the side faces, away from each other, of the two mounting bases correspondingly. According to the device, the positioning holes are formed, the phenomenon that the centering roller body deviates in the direction in the installation process can be avoided, the damping effect can be achieved in the installation process of the centering roller body through mutual cooperation of the dampers, the damping springs and the damping plates, damage to the centering roller body in the installation process is reduced, and the flange faces are arranged, so that the centering roller body is prevented from being damaged. And the centering roller body can be conveniently installed.

Description

Technical Field

[0001] The utility model relates to the field of hot rolling mill parts, in particular to a centering roller structure of a hot rolling mill. Background Art

[0002] In the prior art, the main function of a hot rolling mill is to be a mechanical device that causes metal to undergo plastic deformation above the recrystallization temperature of the pipe. After the pipe is heated and the perforation process is completed on the hot rolling mill, the pipe needs to enter the heating furnace through a conveyor belt for subsequent processing, so the conveyor belts all have a centering roller group.

[0003] The Chinese patent with the announcement number CN202984278U discloses a centering roller structure of a hot rolling mill, including a centering roller body, a through hole is opened on the roller body, and chamfers are arranged at both ends of the centering roller body. The utility model avoids the direct contact between the pipe and the centering roller by arranging chamfers at both ends of the centering roller, and uses the chamfers to form a smooth transition, so that the outer surface of the pipe will not be scratched by the centering roller, which greatly improves the quality of the pipe. However, the centering roller body in the above patent is not easy to install and disassemble, resulting in a large amount of time required for the maintenance of the centering roller body, which has a certain impact on the work of the centering roller body and reduces the work efficiency of the centering roller body. Therefore, we propose a centering roller structure of a hot rolling mill to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a centering roller structure of a hot rolling mill to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A centering roller structure for a hot rolling mill comprises a centering roller body, the left and right ends of the centering roller body are fixedly connected with a connecting shaft, the left and right side surfaces of the centering roller body are provided with mounting seats, the sides of the two mounting seats close to each other are fixedly inlaid with bearings, the inner rings of the two bearings are respectively fixedly connected to the ends of the two connecting shafts away from each other, positioning holes are provided on the sides of the two mounting seats away from each other, the sides of the two mounting seats away from each other are fixedly connected with flange surfaces, the inner wall of each positioning hole is fixedly connected with a damper, the inner wall of each positioning hole is fixedly connected with a damping spring, and the ends of the two dampers away from each other and the ends of the damping spring away from each other are fixedly connected with a damping plate.

[0007] In a further embodiment, a production mark is fixedly connected to the front side of the centering roller body, and a protective film is fixedly connected to the front side of the production mark.

[0008] In a further embodiment, a rust-proof layer is fixedly connected to the outer surface of the centering roller body.

[0009] In a further embodiment, a sealing gasket is fixedly connected to the side surfaces of the two flange surfaces away from each other, and a group of annularly arranged fixing holes are provided on the side surfaces of the two sealing gaskets away from each other and on the side surfaces of the two flange surfaces away from each other.

[0010] In a further embodiment, the inner wall of each positioning hole is provided with a symmetrical sliding groove, the interior of each sliding groove is slidably connected with a slider, and the side surfaces of the two sliders close to each other are fixedly connected to the outer surface of the damping plate.

[0011] In a further embodiment, both left and right ends of the centering roller body are fixedly connected with reinforcement rings, and the inner wall of each reinforcement ring is fixedly connected to the outer surface of the connecting shaft.

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

[0013] The device can avoid the directional deviation of the centering roller body during installation by setting the positioning holes, and can play a damping effect during the installation of the centering roller body through the mutual cooperation of the damper, the damping spring and the damping plate, thereby reducing the damage to the centering roller body during installation and extending the service life of the centering roller body. The flange surface can be provided to facilitate the installation of the centering roller body, and the steps are simple and quick, which saves a lot of installation time and improves the working efficiency of the centering roller body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of a centering roller structure of a hot rolling mill;

[0015] Figure 2 It is a three-dimensional structural schematic diagram of a side view of a centering roller structure of a hot rolling mill;

[0016] Figure 3 It is a three-dimensional structural schematic diagram of a front cross-sectional view of a centering roller structure of a hot rolling mill;

[0017] Figure 4 A centering roller structure for a hot rolling mill Figure 3 Enlarged structural diagram at A in the middle.

[0018] In the figure: 1. Centering roller body; 2. Production mark; 3. Connecting shaft; 4. Bearing; 5. Reinforcement ring; 6. Mounting seat; 7. Flange surface; 8. Sealing gasket; 9. Fixing hole; 10. Damping plate; 11. Positioning hole; 12. Damping spring; 13. Damper; 14. Slider; 15. Slide groove. DETAILED DESCRIPTION

[0019] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[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 1-4In the utility model, a centering roller structure of a hot rolling mill comprises a centering roller body 1, the left and right ends of the centering roller body 1 are fixedly connected with a connecting shaft 3, the left and right side surfaces of the centering roller body 1 are provided with mounting seats 6, the side surfaces of the two mounting seats 6 close to each other are fixedly inlaid with bearings 4, the inner rings of the two bearings 4 are respectively fixedly connected with the ends of the two connecting shafts 3 away from each other, and the side surfaces of the two mounting seats 6 away from each other are provided with positioning holes 11, which can avoid the phenomenon of directional deviation of the centering roller body 1 during installation, and the side surfaces of the two mounting seats 6 away from each other are fixedly connected with flange surfaces 7, which can facilitate the installation of the centering roller body 1, and the inner wall of each positioning hole 11 is fixedly connected with a damper 13, and the inner wall of each positioning hole 11 is fixedly connected with a damping spring 12, and the ends of the two dampers 13 away from each other and the ends of the damping spring 12 away from each other are fixedly connected with a damping plate 10, which can play a damping effect on the centering roller body 1 during installation and reduce damage to the centering roller body 1 during installation.

[0023] A production mark 2 is fixedly connected to the front of the centering roller body 1, and a protective film is fixedly connected to the front of the production mark 2 to facilitate users to understand the product. An anti-rust layer is fixedly connected to the outer surface of the centering roller body 1 to prevent rust on the surface of the centering roller body 1, thereby improving the practicality of the device. A sealing gasket 8 is fixedly connected to the side of the two flange surfaces 7 that are away from each other. A group of annularly arranged fixing holes 9 are provided on the side of the two sealing gaskets 8 that are away from each other and the side of the two flange surfaces 7 that are away from each other, thereby enhancing the sealing effect of the device and facilitating the fixation of the device.

[0024] The inner wall of each positioning hole 11 is provided with a symmetrical slide groove 15, and a slider 14 is slidably connected to the interior of each slide groove 15. The side surfaces of the two sliders 14 that are close to each other are fixedly connected to the outer surface of the damping plate 10, which can assist the sliding direction of the damping plate 10 and make it more stable. The left and right ends of the centering roller body 1 are fixedly connected with reinforcement rings 5, and the inner wall of each reinforcement ring 5 is fixedly connected to the outer surface of the connecting shaft 3, which strengthens the firmness between the connecting shaft 3 and the centering roller body 1 and improves the use effect of the device.

[0025] The working principle of the utility model is:

[0026] During the use of the device, when the centering roller body 1 needs to be installed, the positioning hole 11 is first used to limit the position of the centering roller body 1, and the damping plate 10 is squeezed by the connecting rod, the real-time damping spring 12 is compressed, and the damper 13 is contracted, so as to achieve the effect of positioning the centering roller body 1, and then the flange surface 7 is contacted with the installation surface, and fixed by the fixing hole 9, so as to complete the installation and fixing effect of the centering roller body 1. When disassembly is required, the steps can be reversed.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A centering roller structure for a hot rolling mill, characterized in that: The invention comprises a centering roller body (1), wherein both left and right ends of the centering roller body (1) are fixedly connected with a connecting shaft (3), and both left and right side surfaces of the centering roller body (1) are provided with mounting seats (6), and the sides of the two mounting seats (6) close to each other are fixedly inlaid with bearings (4), and the inner rings of the two bearings (4) are respectively fixedly connected with the ends of the two connecting shafts (3) away from each other, and the sides of the two mounting seats (6) away from each other are provided with positioning holes (11), and the sides of the two mounting seats (6) away from each other are fixedly connected with flange surfaces (7), and the inner wall of each positioning hole (11) is fixedly connected with a damper (13), and the inner wall of each positioning hole (11) is fixedly connected with a damping spring (12), and the ends of the two dampers (13) away from each other and the ends of the damping spring (12) away from each other are fixedly connected with a damping plate (10).

2. A centering roller structure for a hot rolling mill according to claim 1, characterized in that: The front side of the centering roller body (1) is fixedly connected to a production mark (2), and the front side of the production mark (2) is fixedly connected to a protective film.

3. The centering roller structure of a hot rolling mill according to claim 1, characterized in that: The outer surface of the centering roller body (1) is fixedly connected with an anti-rust layer.

4. The centering roller structure of a hot rolling mill according to claim 1, characterized in that: The side surfaces of the two flange surfaces (7) that are away from each other are fixedly connected with a sealing gasket (8), and the side surfaces of the two sealing gaskets (8) that are away from each other and the side surfaces of the two flange surfaces (7) that are away from each other are each provided with a group of annularly arranged fixing holes (9).

5. The centering roller structure of a hot rolling mill according to claim 1, characterized in that: The inner wall of each positioning hole (11) is provided with a symmetrical sliding groove (15), the interior of each sliding groove (15) is slidably connected with a slider (14), and the side surfaces of the two sliders (14) close to each other are fixedly connected to the outer surface of the damping plate (10).

6. A centering roller structure for a hot rolling mill according to claim 1, characterized in that: The left and right ends of the centering roller body (1) are fixedly connected with reinforcement rings (5), and the inner wall of each reinforcement ring (5) is fixedly connected to the outer surface of the connecting shaft (3).

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