A hot rolling looper support device

Abstract

The utility model relates to the technical field of hot continuous rolling of steel, and specifically to a hot continuous rolling looper support device, comprising a base, which is detachably mounted on a guide rail, and a support column is provided on the top of the base, and the top of the support column is in contact with the looper. The beneficial effect of the utility model is that the utility model can support the looper of the empty-passing rolling mill when rolling thick-gauge plates, ensure the height of the looper between the empty-passing rolling mills, ensure that the looper roller can hold up the billet, so that the billet can be smoothly introduced into the downstream frame entrance guide, and avoid the problem of the height reduction of the looper due to the pressure of the weight of the material, avoid the steel piling up on the inlet guide, and avoid the scratching of the lower surface of the billet caused by the contact between the billet and the entrance of the guide.

Description

Technical Field

[0001] The utility model relates to the technical field of hot continuous rolling of steel, in particular to a hot continuous rolling looper supporting device. Background Art

[0002] Hot rolling is a method of producing steel. The raw material is a continuous casting slab or a rough rolling slab. It is heated in a walking beam furnace and dephosphorized by high-pressure water before entering a rough rolling mill. The rough rolling material is cut and then enters a finishing mill for computer-controlled rolling. After the final rolling, it is cooled by laminar flow (cooling rate is controlled by computer) and coiled by a coiler to become a straight coil.

[0003] The looper is an indispensable mechanical equipment in the continuous rolling production line. It is used to support the formation of a certain amount of loops between adjacent rolling mills, and to maintain tension-free rolling and constant flow between rolling mill stands. The looper can support the steel plate during the process of rolling the steel plate, so that the steel plate is tightened and maintains a certain tension. The guide device is installed on the rolling mill stand, located before and after the rolls, and is a device that guides and supports the rolled pieces between the rolling mill stands to accurately, stably and smoothly enter the rolling mill for rolling and export in a predetermined direction and state.

[0004] According to the production needs of the workshop, when rolling thick-gauge plates, some finishing mill stands need to be emptied. Since the loopers between the emptied stands are in a low position due to the weight of the material, it is easy for the head top inlet guide device to pile up steel and the lower surface of the billet to be scratched, resulting in equipment and product quality accidents such as broken multi-layer steel feeding rolls or narrowed and thinned strip steel, and unstable and unbalanced continuous rolling process. Utility Model Content

[0005] In order to solve the technical problem that when thick-gauge plates pass through a rolling mill frame empty, a low position of a looper easily causes steel piling and steel pulling, the utility model provides a hot rolling looper supporting device.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A hot rolling looper support device includes a base, which is detachably mounted on a guide rail, and a support column is provided on the top of the base, and the top of the support column is in contact with the looper. The application can support the looper of the empty-passing rolling mill when rolling thick-gauge plates, ensure the height of the looper between the empty-passing rolling mills, ensure that the looper roller can hold up the billet, so that the billet can be smoothly introduced into the downstream frame entrance guide, and avoid the problem of the looper being reduced in height due to the pressure of the weight of the material, avoid the steel piling up on the inlet guide, and avoid scratches on the lower surface of the billet caused by the contact between the billet and the guide entrance.

[0008] As a preferred implementation method of a hot rolling looper support device, the base is a U-shaped base, the groove of the U-shaped base is engaged with the guide rail, and a fixing hole is opened on the side of the base, and a locking bolt is threaded in the fixing hole. The U-shaped base "rides" on the guide rail, which is convenient for installation and coordination, and convenient for forward and backward movement to adjust the position of the support device. By tightening the locking bolt, the U-shaped base can be locked on the guide rail to prevent the support device from sliding forward and backward. It is simple and safe. When it is not needed, the locking bolt can be directly loosened to remove the support device. It is flexible and convenient.

[0009] As a preferred implementation of a hot rolling looper support device, there are a plurality of heightening gaskets between the base and the guide rail. The support height of the support device can be changed by manually increasing the number of heightening gaskets or changing the thickness of the heightening gaskets, so that the top height of the support column is consistent with the calibrated height of the looper.

[0010] As a preferred implementation of a hot rolling looper support device, the top of the support column has an inclined surface, which is inclined along the length direction of the guide rail, so that the top of the support column and the looper can better contact and cooperate, so that the support column can support the looper more stably.

[0011] As a preferred implementation of a hot rolling looper support device, the top end surface of the support column is provided with an anti-skid pad, which increases the friction coefficient of the top end surface of the support column, increases the friction between the support column and the looper, and enables the support column to support the looper more stably.

[0012] As a preferred implementation of a hot rolling looper support device, the anti-slip pad is a rubber sheet or a plastic sheet, which has low material cost and is easy to obtain.

[0013] As a preferred implementation of a hot rolling looper support device, the top end surface of the support column is provided with an anti-skid groove, which increases the friction coefficient of the top end surface of the support column, increases the friction between the support column and the looper, and enables the support column to support the looper more stably.

[0014] As a preferred implementation of a hot rolling looper support device, the anti-slip groove is in a grid shape or a wave shape, and has a simple structure and is easy to process.

[0015] As a preferred implementation of a hot rolling looper support device, the top end surface of the support column is covered with an anti-skid coating layer, which increases the friction coefficient of the top end surface of the support column, increases the friction between the support column and the looper, and enables the support column to support the looper more stably.

[0016] As a preferred implementation of a hot rolling looper support device, the anti-slip coating layer is a rubber coating or a plastic coating, which is low in cost and easy to obtain.

[0017] The beneficial effects of the utility model include:

[0018] The present application can support the looper of the empty rolling mill when rolling thick-gauge plates, ensure the height of the looper between the empty rolling mills, ensure that the looper roller can hold up the billet so that the billet can be smoothly introduced into the entrance guide of the downstream frame, and avoid the problem of the height of the looper being reduced due to the pressure of the weight of the material, avoid the steel piling up on the entrance guide, and avoid scratches on the lower surface of the billet caused by the contact between the billet and the entrance guide. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the utility model, the drawings required for use in the description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a front structural schematic diagram of a hot rolling looper support device in a specific implementation mode of the utility model;

[0021] Figure 2 It is a side structural schematic diagram of a hot rolling looper support device in a specific implementation manner of the utility model.

[0022] List of parts and reference numerals:

[0023] 1. Base; 2. Support column; 3. Heightening gasket; 4. Locking bolt. DETAILED DESCRIPTION

[0024] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical scheme of the utility model will be clearly and completely described below in combination with the drawings in the specific embodiment. Obviously, the embodiments described below are only part of the embodiments of the utility model, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0025] Reference Figure 1-2The present embodiment proposes a hot rolling looper support device, including a base 1, the base 1 is a U-shaped base 1, the groove of the U-shaped base 1 is engaged with the guide rail, a fixing hole is opened on the side of the base 1, and a locking bolt 4 is threadedly connected in the fixing hole. There are a plurality of heightening gaskets 3 between the base 1 and the guide rail, and the number of the heightening gaskets 3 can be manually adjusted as needed, and the thickness of the heightening gaskets 3 can be the same or different. A support column 2 is provided at the top of the base 1, and the top of the support column 2 is in contact with the looper. The top of the support column 2 has an inclined surface, and the inclined surface is inclined along the length direction of the guide rail. An anti-skid pad is provided on the inclined surface, and the anti-skid pad is a rubber sheet or a plastic sheet.

[0026] The working principle of this embodiment is:

[0027] Insert the U-shaped base 1 into the guide rail, align the support column 2 with the looper, adjust the height of the heightening gasket 3, make the top height of the support column 2 consistent with the calibrated height of the looper, tighten the locking bolt 4, lock the base 1 on the guide rail to prevent the base 1 from sliding back and forth. In this way, when rolling thick-gauge plates, the support column 2 can support the looper of the empty-passing rolling mill, ensure the height of the looper between the empty-passing rolling mills, ensure that the looper roller can hold up the billet, so that the billet can be smoothly introduced into the downstream rack entrance guide, and avoid the problem of the looper being reduced in height due to the weight of the material, avoid the steel piling up on the inlet guide, and avoid scratches on the lower surface of the billet caused by the contact between the billet and the guide entrance. After use, loosen the locking bolt 4 and move the support device away.

[0028] In other embodiments, the top end surface of the support column 2 is provided with an anti-skid groove, which is in a grid shape or a wave shape. Alternatively, the top end surface of the support column 2 is covered with an anti-skid coating layer, which is a rubber coating or a plastic coating. The anti-skid groove or the anti-skid coating layer can be provided on an inclined surface.

[0029] In other embodiments, the base 1 and the guide rail may be connected via a pin or elastically snap-fitted.

[0030] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hot rolling looper support device, comprising a base (1), characterized in that: The base (1) can be detachably mounted on the guide rail. A support column (2) is provided on the top of the base (1). The top of the support column (2) contacts and cooperates with the looper. The base (1) is a U-shaped base (1). The groove of the U-shaped base (1) is engaged with the guide rail.

2. A hot rolling looper support device according to claim 1, characterized in that: A plurality of height-increasing gaskets (3) are provided between the base (1) and the guide rail.

3. A hot rolling looper support device according to claim 1, characterized in that: The top end of the support column (2) has an inclined surface, which is inclined along the length direction of the guide rail.

4. A hot rolling looper support device according to claim 1 or 3, characterized in that: The top end surface of the support column (2) is provided with an anti-slip pad.

5. A hot rolling looper support device according to claim 4, characterized in that: The anti-slip pad is a rubber sheet or a plastic sheet.

6. A hot rolling looper support device according to claim 1 or 3, characterized in that: The top end surface of the support column (2) is provided with an anti-slip groove.

7. A hot rolling looper support device according to claim 6, characterized in that: The anti-skid groove is in a grid shape or a wave shape.

8. A hot rolling looper support device according to claim 1 or 3, characterized in that: The top end surface of the support column (2) is covered with an anti-slip coating layer.

9. A hot rolling looper support device according to claim 8, characterized in that: The anti-slip coating layer is a rubber coating or a plastic coating.

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