Profile steel short stress path rolling mill guide and guard structure

Abstract

The invention 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 to-be-rolled piece 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; a to-be-rolled piece enters the rolling mill roller way through the guide channel formed by the two guard plates, when the size of the guard plates is not matched with that of the to-be-rolled piece or the guard plates are damaged, the guard plates are moved out of the frame by moving the adjusting plates, and the pin shafts are taken down for replacement. The guide plate has the beneficial effects that the movement state of a to-be-rolled piece before entering a rolling mill is stabilized through the guide channel formed by the guide plate, so that rolling accidents are reduced, personal and equipment safety is guaranteed, rollers and rolled pieces are improved, and the strength, rigidity and universality of the guide plate are improved.

Description

Technical Field

[0001] The invention belongs to the field of auxiliary equipment, and in particular relates to a guide structure of a section steel short stress line rolling mill. Background Art

[0002] Hot-rolled steel sections are widely used due to their excellent mechanical properties in civil construction, industrial construction, bridge construction, petroleum industry, high-rise buildings, subways, mine tunnels and industrial steel structures. With the rapid development of my country's economy, the output and quality demand of steel sections are increasing day by day, and higher requirements are placed on steel section production lines. With the wide application of H-shaped steel in various fields, H-shaped steel rolling mills are also gradually developing and improving, from the original arch-type 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 rigidity than previous universal rolling mills and can roll H-shaped steel with better mechanical properties and more economical and thinner weight.

[0003] In the production of steel sections, the device installed before and after the roller hole to assist the rolled piece to enter and exit the hole accurately and stably in a predetermined direction and state is called a guide device. When rolling steel sections of any cross-sectional shape, guide devices must be installed at the entrance and exit of almost all hole types. Their main function is to make the rolled piece roll in the hole in a certain order and in the correct state, reduce rolling accidents, ensure personal and equipment safety, and improve the working conditions of the rollers, rolled pieces, and guides themselves. Proper design and adjustment of guide devices can be a very important link in the production of steel sections and make up for the deficiencies in the hole design. Therefore, the quality of guide device design and installation has a great impact on the output and quality of the product and is a very important link in the production of steel sections. Summary of the invention

[0004] In view of this, the present invention aims to propose a guide structure for a short stress line rolling mill for steel sections, in order to solve at least one of the above-mentioned technical problems.

[0005] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0006] The guide structure of the short stress line rolling mill for steel sections includes:

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

[0008] A frame, wherein an adjusting plate is movably arranged in the frame along the moving direction of the workpiece to be rolled, and the guard plate is detachably connected to the adjusting plate through a pin shaft;

[0009] The workpiece to be rolled enters the rolling mill roller table through the guide channel formed by two guard plates. When the size of the guard plate does not match the workpiece to be rolled or is damaged, the guard plate is moved out of the frame by moving the adjustment plate, and the pin shaft is removed for replacement.

[0010] Further, the frame includes a cover plate and a base fixedly connected to the rolling mill;

[0011] The base is a U-shaped structural member, the cover plate is fixedly connected to the top of the base by bolts, and a gasket is provided between the cover plate and the base;

[0012] Replace the shims of different sizes according to the size of the workpiece to be rolled, or adjust the number of shims until the distance between the two guard plates corresponds to the size of the workpiece to be rolled.

[0013] Furthermore, two groups of inclined pressure plates are arranged in the frame, and the two groups of inclined pressure plates are respectively located at the top and bottom of the frame;

[0014] A trapezoidal slideway is formed between the two inclined pressure plates in the same group and the inner side wall of the frame. The adjustment plate is located inside the trapezoidal slideway, and the outer side wall of the adjustment plate is in contact with the inner side wall of the trapezoidal slideway.

[0015] Furthermore, a mounting block is fixedly arranged on the end surface of the adjustment plate away from the frame, a mounting groove corresponding to the mounting block is opened on the guard plate, the mounting block is located inside the mounting groove, and the outer side wall of the mounting block is in contact with the inner side wall of the mounting groove;

[0016] A first mounting hole is formed on the mounting block, a second mounting hole is formed on the side wall of the mounting groove, and the pin passes through the first mounting hole and the second mounting hole.

[0017] Furthermore, an adjustment block is fixedly arranged at one end of the adjustment plate away from the rolling mill roller, an adjustment hole is opened on the adjustment block, an adjustment bolt is arranged inside the adjustment hole, a pair of adjustment nuts are threadedly connected on the adjustment bolt, the two adjustment nuts are respectively located on both sides of the adjustment block, and are respectively pressed against the side wall of the adjustment block, and the adjustment bolt is pressed against the frame;

[0018] By adjusting the positions of the two adjusting nuts on the adjusting bolts, the relative position between the guard plate and the frame is changed so that the distance between the guide channel and the rolling mill roller table meets the production needs.

[0019] Furthermore, one end of the guard plate adjacent to the rolling mill roller is a curved surface, the curvature of the curved surface corresponds to the rolling mill roller, and the curved surface fits the rolling mill roller.

[0020] Furthermore, the arc length of the arc surface is greater than 25 mm.

[0021] Furthermore, the end of the guard plate away from the rolling mill roller is inclined in a direction away from the guide channel.

[0022] Compared with the prior art, the guide structure of the steel section short stress line rolling mill of the present invention has the following beneficial effects:

[0023] The guide channel formed by the guard plate can stabilize the movement state of the workpiece before it enters the rolling mill, so as to reduce rolling accidents, ensure personal and equipment safety, improve the rollers and rolled workpieces, and enhance the strength, rigidity and commonality of the guide. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0025] Figure 1 This is a schematic diagram of the side structure of the guide and guard structure according to an embodiment of the present invention;

[0026] Figure 2 It is a schematic diagram of the front structure of the guide structure described in an embodiment of the present invention.

[0027] Description of reference numerals:

[0028] 1. Guard plate; 101. Mounting groove; 2. Frame; 201. Cover plate; 202. Base; 203. Gasket; 204. Oblique pressure plate; 3. Adjustment plate; 301. Mounting block; 302. Adjustment block; 303. Adjustment bolt; 304. Adjustment nut; 4. Lifting ring; 5. Roller; 6. Workpiece to be rolled. DETAILED DESCRIPTION

[0029] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0030] In the description of the present invention, 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 invention 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 limiting the present invention. In addition, the terms "first", "second", and the like 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. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 indirectly connected 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.

[0032] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0033] The guide structure of the short stress line rolling mill for steel sections includes:

[0034] Guard plates 1, two of which are provided, and a guide channel for limiting the moving direction of the workpiece 6 to be rolled is formed between the two guard plates 1, and the guide channel corresponds to the roller table of the rolling mill;

[0035] A frame 2, wherein 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;

[0036] The workpiece 6 to be rolled enters the rolling mill roller table through the guide channel formed by 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 adjustment plate 3, and the pin shaft is removed for replacement.

[0037] The frame 2 includes a cover plate 201 and a base 202 fixedly connected to the rolling mill;

[0038] The base 202 is a U-shaped structural member, the cover plate 201 is fixedly connected to the top of the base 202 by bolts, and a gasket 203 is provided between the cover plate 201 and the base 202;

[0039] According to the size of the workpiece 6 to be rolled, the shims 203 of different sizes are replaced, or the number of the shims 203 is adjusted until the distance between the two guard plates 1 corresponds to the size of the workpiece 6 to be rolled.

[0040] 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;

[0041] A trapezoidal slide is formed between the two inclined pressure plates 204 of the same group and the inner wall of the frame 2 , and the adjustment plate 3 is located inside the trapezoidal slide, and the outer wall of the adjustment plate 3 fits with the inner wall of the trapezoidal slide.

[0042] A mounting block 301 is fixedly arranged on the end surface of the adjusting plate 3 away from the frame 2, and a mounting groove 101 corresponding to the mounting block 301 is opened on the guard plate 1, and the mounting block 301 is located inside the mounting groove 101, and the outer wall of the mounting block 301 is in contact with the inner wall of the mounting groove 101;

[0043] A first mounting hole is formed on the mounting block 301 , a second mounting hole is formed on the side wall of the mounting slot 101 , and the pin passes through the first mounting hole and the second mounting hole.

[0044] An adjusting block 302 is fixedly arranged at one end of the adjusting plate 3 away from the rolling mill roller table, and an adjusting hole is opened on the adjusting block 302, and an adjusting bolt 303 is arranged inside the adjusting hole, and a pair of adjusting nuts 304 are threadedly connected on the adjusting bolt 303, and 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;

[0045] By adjusting the positions of the two adjusting nuts 304 on the adjusting bolts 303, the relative position between the guard plate 1 and the frame 2 is changed so that the distance between the guide channel and the rolling mill roller table meets the production requirements.

[0046] One end of the guard plate 1 adjacent to the rolling mill roller is a curved surface, the curvature of the curved surface corresponds to the rolling mill roller 5 , and the curved surface fits the rolling mill roller 5 .

[0047] The arc length of the arc surface is greater than 25 mm.

[0048] The end of the guard plate 1 away from the rolling mill roller table is inclined in a direction away from the guide channel.

[0049] A lifting ring 4 is fixedly disposed on the end surface of the cover plate 201 away from the base 202 .

[0050] 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 it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The guide structure of the short stress line rolling mill of the section steel is characterized by: include: Guard plates (1), two of which are provided, a guide channel for limiting the moving direction of the workpiece (6) to be rolled is formed between the two guard plates (1), and the guide channel corresponds to the roller table of the rolling mill; A frame (2), wherein 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) via a pin shaft; The workpiece (6) to be rolled enters the roller table of the rolling mill through a guide channel formed by 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 adjustment plate (3) and the pin shaft is removed for replacement.

2. The guide structure of the short stress line rolling mill for section steel according to claim 1, characterized in that: The frame (2) comprises 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) by bolts, and a gasket (203) is provided between the cover plate (201) and the base (202); According to the size of the workpiece (6) to be rolled, the gaskets (203) of different sizes are replaced, or the number of the gaskets (203) is adjusted until the distance between the two guard plates (1) corresponds to the size of the workpiece (6) to be rolled.

3. The guide structure of the short stress line rolling mill for section steel according to claim 1, characterized in that: 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); A trapezoidal slide is formed between the two inclined pressure plates (204) of the same group and the inner wall of the frame (2), the adjustment plate (3) is located inside the trapezoidal slide, and the outer wall of the adjustment plate (3) fits the inner wall of the trapezoidal slide.

4. The guide structure for a short stress line rolling mill for section steel according to claim 1, characterized in that: A mounting block (301) is fixedly provided on the end surface of the adjustment plate (3) away from the frame (2); a mounting groove (101) corresponding to the mounting block (301) is opened on the guard plate (1); the mounting block (301) is located inside the mounting groove (101), and the outer side wall of the mounting block (301) is in contact with the inner side wall of the mounting groove (101); The mounting block (301) is provided with a first mounting hole, the side wall of the mounting slot (101) is provided with a second mounting hole, and the pin shaft passes through the first mounting hole and the second mounting hole.

5. The guide structure of the short stress line rolling mill for section steel according to claim 1, characterized in that: An adjusting block (302) is fixedly arranged at one end of the adjusting plate (3) away from the rolling mill roller, 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 on the adjusting bolt (303), the two adjusting nuts (304) are respectively located on two sides of the adjusting block (302), and are respectively pressed against the side wall of the adjusting block (302), and the adjusting bolt (303) is pressed against the frame (2); By adjusting the positions of the two adjusting nuts (304) on the adjusting bolts (303), the relative position between the guard plate (1) and the frame (2) is changed so that the distance between the guide channel and the rolling mill roller table meets production requirements.

6. The guide structure of the short stress line rolling mill for section steel according to claim 1, characterized in that: One end of the guard plate (1) adjacent to the rolling mill roller is a curved surface, the curvature of the curved surface corresponds to the rolling mill roller (5), and the curved surface fits the rolling mill roller (5).

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

8. The guide structure of the steel section short stress line rolling mill according to claim 1, characterized in that: The end of the guard plate (1) away from the rolling mill roller track is inclined in a direction away from the guide channel.

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

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