Profile steel short stress path rolling mill guide and guard structure

Abstract

The utility model provides a profile steel short stress path rolling mill guide and guard structure which comprises two guard plates, a guide channel used for limiting the moving direction of a piece to be rolled is formed between the two guard plates, and the guide channel corresponds to a rolling mill roller way; an adjusting plate is movably arranged in the frame in the moving direction of the to-be-rolled piece, and the guard plate is detachably connected to the adjusting plate through a pin shaft. The utility model has the beneficial effects that the guide channel formed by the guard plates stabilizes the motion state of the to-be-rolled piece before entering the rolling mill, so as to reduce rolling accidents, ensure personal and equipment safety, improve the roller and the rolled piece, and improve the strength, rigidity and universality of the guide.

Description

Technical Field

[0001] The utility model belongs to the field of auxiliary equipment, in particular to a guide device structure for a section steel short stress line rolling mill. Background Art

[0002] Hot-rolled section steel is widely used because of its excellent mechanical properties in the fields of civil construction, industrial construction, bridge construction, petroleum industry, high-rise buildings, subway tunnels, mine roadways, and industrial steel structures. With the rapid development of China's economy, the output and quality requirements of section steel are increasing day by day, and higher requirements are placed on section steel production lines. With the wide application of H-section steel in various fields, H-section steel rolling mills are gradually developing and improving, from the original portal universal rolling mill to the current connecting plate universal rolling mill, short stress line universal rolling mill, and prestressed universal rolling mill. These rolling mills have higher stiffness than the previous universal rolling mills and can roll H-section steel with better mechanical properties, more economical and lighter thickness.

[0003] In section steel production, the device installed before and after the roll pass to assist the rolled piece to accurately and stably enter and exit the pass in a predetermined direction and state is called a guide device. For rolling section steel of any cross-sectional shape, guide devices are almost installed at the inlet and outlet of all passes. Its main function is to make the rolled piece roll in the pass in a certain order and correct state, reduce rolling accidents, ensure personal and equipment safety, and improve the working conditions of the rolls, rolled pieces, and guide devices themselves. If the guide device is designed and adjusted properly, it is a very important link in section steel production; it can make up for the deficiencies in pass design. Therefore, the quality of the design and installation of the guide device has a great impact on the output and quality of the product and is a very important link in section steel production. Content of the Utility Model

[0004] In view of this, the utility model aims to provide a guide device structure for a section steel short stress line rolling mill in order to solve at least one of the above partial technical problems.

[0005] To achieve the above object, the technical solution of the utility model is realized as follows:

[0006] The guide device structure for a section steel short stress line rolling mill includes:

[0007] Guard plates, there are two guard plates, and a guiding channel for restricting the moving direction of the workpiece to be rolled is formed between the two guard plates, and the guiding channel corresponds to the rolling mill roller table;

[0008] A frame, an adjusting plate is movably arranged in the frame along the moving direction of the workpiece to be rolled, and the guard plates are detachably connected to the adjusting plate through pin shafts.

[0009] Further, the frame includes a cover plate and a base fixedly connected to the rolling mill;

[0010] The base is a U-shaped structural member, and the cover plate is fixedly connected to the top of the base by bolts, and a gasket is arranged between the cover plate and the base.

[0011] Further, two sets of inclined pressing plates are arranged in the frame, and the two sets of inclined pressing plates are respectively located at the top and the bottom of the frame;

[0012] A trapezoidal slideway is formed between two inclined pressing plates of the same group and the inner side wall of the frame. The adjusting plate is located inside the trapezoidal slideway, and the outer side wall of the adjusting plate is attached to the inner side wall of the trapezoidal slideway.

[0013] Further, an installation block is fixedly arranged on the end surface of the adjusting plate away from the frame. An installation groove corresponding to the installation block is formed on the guard plate. The installation block is located inside the installation groove, and the outer side wall of the installation block is attached to the inner side wall of the installation groove;

[0014] A first installation hole is formed on the installation block, a second installation hole is formed on the side wall of the installation groove, and the pin shaft penetrates through the first installation hole and the second installation hole.

[0015] Further, an adjusting block is fixedly arranged at one end of the adjusting plate away from the rolling mill roller path. An adjusting hole is formed on the adjusting block. An adjusting bolt is arranged inside the adjusting hole. A pair of adjusting nuts are threadedly connected to the adjusting bolt. The two adjusting nuts are respectively located on both sides of the adjusting block, and the adjusting bolt abuts against the frame.

[0016] Further, one end of the guard plate close to the rolling mill roller path is an arc surface, and the radian of the arc surface corresponds to that of the rolling mill roll, and the arc surface is attached to the roll.

[0017] Further, the arc length of the arc surface is greater than 25 mm.

[0018] Further, one end of the guard plate away from the rolling mill roller path inclines in the direction away from the guiding channel.

[0019] Compared with the prior art, the guide structure of the short stress line rolling mill for section steel of the present utility model has the following beneficial effects:

[0020] Through the guiding channel formed by the guard plate, the movement state of the workpiece to be rolled is stabilized before entering the rolling mill, so as to reduce rolling accidents, ensure the safety of personnel and equipment, improve the rolling rolls and the rolled pieces, and improve the strength, rigidity and commonality of the guide. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings constituting a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and the descriptions thereof are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0022] Figure 1Schematic side view of the guide structure according to the embodiment of the present utility model;

[0023] Figure 2 Schematic front view of the guide structure according to the embodiment of the present utility model.

[0024] Explanation of reference numerals:

[0025] 1. Guard plate; 101. Installation groove; 2. Frame; 201. Cover plate; 202. Base; 203. Gasket; 204. Inclined pressure plate; 3. Adjusting plate; 301. Installation block; 302. Adjusting block; 303. Adjusting bolt; 304. Adjusting nut; 4. Hoisting ring; 5. Roll; 6. Workpiece to be rolled. Detailed implementation manners

[0026] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments may be combined with each other.

[0027] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is 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 thus should not be construed as a limitation to 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 quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0028] In the description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific situations.

[0029] The present utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0030] The guide structure of the short stress line rolling mill for section steel includes:

[0031] A guard plate 1, there are two guard plates 1, a guiding channel for restricting the moving direction of the workpiece 6 to be rolled is formed between the two guard plates 1, and the guiding channel corresponds to the rolling mill roller table;

[0032] A frame 2, an adjusting plate 3 is movably arranged in the frame 2 along the moving direction of the workpiece 6 to be rolled, and the guard plate 1 is detachably connected to the adjusting plate 3 through a pin shaft;

[0033] The workpiece 6 to be rolled enters the rolling mill roller table through the guiding channel formed by the two guard plates 1. When the size of the guard plate 1 does not match the workpiece 6 to be rolled or is damaged, the guard plate 1 is moved out of the frame 2 by moving the adjusting plate 3, and the pin shaft is removed for replacement.

[0034] The frame 2 includes a cover plate 201 and a base 202 fixedly connected to the rolling mill;

[0035] The base 202 is a U-shaped structural member, the cover plate 201 is fixedly connected to the top of the base 202 through bolts, and a gasket 203 is arranged between the cover plate 201 and the base 202;

[0036] Gaskets 203 of different sizes are replaced according to the size of the workpiece 6 to be rolled, or the number of gaskets 203 is adjusted until the distance between the two guard plates 1 corresponds to the size of the workpiece 6 to be rolled.

[0037] Two groups of inclined pressure plates 204 are arranged in the frame 2, and the two groups of inclined pressure plates 204 are respectively located at the top and bottom of the frame 2;

[0038] A trapezoidal slideway is formed between the two inclined pressure plates 204 of the same group and the inner side wall of the frame 2. The adjusting plate 3 is located inside the trapezoidal slideway, and the outer side wall of the adjusting plate 3 is attached to the inner side wall of the trapezoidal slideway.

[0039] An installation block 301 is fixedly arranged on the end face of the adjusting plate 3 away from the frame 2. An installation groove 101 corresponding to the installation block 301 is opened on the guard plate 1. The installation block 301 is located inside the installation groove 101, and the outer side wall of the installation block 301 is attached to the inner side wall of the installation groove 101;

[0040] A first installation hole is opened on the installation block 301, a second installation hole is opened on the side wall of the installation groove 101, and the pin shaft penetrates through the first installation hole and the second installation hole.

[0041] An adjusting block 302 is fixedly arranged at one end of the adjusting plate 3 away from the rolling mill roller table. An adjusting hole is opened on the adjusting block 302. An adjusting bolt 303 is arranged inside the adjusting hole. A pair of adjusting nuts 304 are threadedly connected to the adjusting bolt 303. The two adjusting nuts 304 are respectively located on both sides of the adjusting block 302 and respectively press against the side wall of the adjusting block 302, and the adjusting bolt 303 presses against the frame 2;

[0042] By adjusting the positions of the two adjusting nuts 304 on the adjusting bolt 303, the relative position between the guard plate 1 and the frame 2 is changed so that the distance between the guiding channel and the rolling mill roller table meets the production requirements.

[0043] One end of the guard plate 1 adjacent to the rolling mill roller table is an arc surface, and the radian of the arc surface corresponds to the rolling roll 5 of the rolling mill, and the arc surface is in contact with the rolling roll 5.

[0044] The arc length of the arc surface is greater than 25 mm.

[0045] One end of the guard plate 1 away from the rolling mill roller table is inclined in the direction away from the guiding channel.

[0046] A lifting ring 4 is fixedly provided on the end surface of the cover plate 201 away from the base 202.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the present embodiments, and they should all be covered by the scope of the claims and the description of the present invention.

[0048] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. The guiding device structure of a section steel short stress line rolling mill, characterized in that Comprising: Side guards (1), there are two side guards (1), a guiding channel for restricting the moving direction of the workpiece to be rolled (6) is formed between the two side guards (1), and the guiding channel corresponds to the rolling mill roller table; Frame (2), an adjusting plate (3) is movably arranged in the frame (2) along the moving direction of the workpiece to be rolled (6), and the side guard (1) is detachably connected to the adjusting plate (3) through a pin shaft.

2. The guide and guard structure of the section steel short stress line rolling mill according to claim 1, characterized in that: The frame (2) includes a cover plate (201) and a base (202) fixedly connected to the rolling mill; The base (202) is a U-shaped structural member, the cover plate (201) is fixedly connected to the top of the base (202) through bolts, and a gasket (203) is arranged between the cover plate (201) and the base (202).

3. The guide structure of the short stress line rolling mill for section steel according to claim 1, wherein: Two groups of inclined pressing plates (204) are arranged in the frame (2), and the two groups of inclined pressing plates (204) are respectively located at the top and bottom of the frame (2); A trapezoidal slideway is formed between two inclined pressing plates (204) in the same group and the inner side wall of the frame (2), the adjusting plate (3) is located inside the trapezoidal slideway, and the outer side wall of the adjusting plate (3) is attached to the inner side wall of the trapezoidal slideway.

4. The guide and guard structure of the short stress line rolling mill for section steel according to claim 1, wherein: An installation block (301) is fixedly arranged on the end face of the adjusting plate (3) far away from the frame (2), an installation groove (101) corresponding to the installation block (301) is opened on the side guard (1), the installation block (301) is located inside the installation groove (101), and the outer side wall of the installation block (301) is attached to the inner side wall of the installation groove (101); A first installation hole is opened on the installation block (301), a second installation hole is opened on the side wall of the installation groove (101), and the pin shaft penetrates through the first installation hole and the second installation hole.

5. The guide and guard structure of the section steel short stress line rolling mill according to claim 1, characterized in that: An adjusting block (302) is fixedly arranged at one end of the adjusting plate (3) far away from the rolling mill roller table, an adjusting hole is opened on the adjusting block (302), an adjusting bolt (303) is arranged inside the adjusting hole, a pair of adjusting nuts (304) are threadedly connected to the adjusting bolt (303), the two adjusting nuts (304) are respectively located on both sides of the adjusting block (302) and respectively press against the side wall of the adjusting block (302), and the adjusting bolt (303) presses against the frame (2).

6. The guide and guard structure of the section steel short stress line rolling mill according to claim 1, characterized in that: One end of the side guard (1) close to the rolling mill roller table is an arc surface, the radian of the arc surface corresponds to the rolling roll (5) of the rolling mill, and the arc surface is attached to the rolling roll (5).

7. The guide and guard structure of the section steel short stress line rolling mill according to claim 6, characterized in that: The arc length of the arc surface is greater than 25 mm.

8. The guide and guard structure of the section steel short stress line rolling mill according to claim 1, characterized in that: One end of the side guard (1) far away from the rolling mill roller table inclines towards the direction away from the guiding channel.

9. The guide and guard structure of the section steel short stress line rolling mill according to claim 2, characterized in that: A lifting ring (4) is fixedly arranged on the end face of the cover plate (201) far away from the base (202).

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