Curved surface roll bending device for cold-formed section steel

Abstract

The utility model discloses a cold-formed section steel curved surface roll bending device which comprises a working table, a pressing roller assembly is arranged on the working table, the pressing roller assembly comprises a pressing roller supporting plate, a pressing roller wheel and a sliding pressing roller base, sliding rails are arranged on the two sides of the sliding pressing roller base, and a first supporting roller assembly and a second supporting roller assembly are arranged on the two sides of the pressing roller assembly. The cold-formed section steel bending device has the advantages that the cylindrical idler wheel is adopted to be matched with cold-formed section steel to conduct bending work, force is exerted on a bending point in a rotating mode to be matched with bending, in the bending process, the rotary contact of the cylindrical outer surface enables the bending position not to have scratches and pits, the auxiliary polishing effect is achieved, the bending position is smooth and attractive, and the bending quality is improved. And meanwhile, progressive pushing is adopted for bending work, so that the stress at the bent position is uniform.

Description

Technical Field

[0001] The utility model relates to the field of cold-bent steel, in particular to a cold-bent steel curved surface rolling device. Background Art

[0002] Cold-formed steel is a commonly used structural steel material, usually made by cold bending hot-rolled steel or cold-rolled steel. This processing method can keep the steel's original material properties, while also producing the required shape and size according to design requirements. Cold-formed steel is commonly used in construction, bridges, machinery manufacturing and other fields, and its advantages include high strength, good stability, and diversified shapes.

[0003] According to the needs of different manufacturers, after the cold-formed steel is formed, it needs to be bent or its surface shape needs to be corrected. Generally, a pipe bender or a late-shift machine is used for bending. The angle and curvature are adjusted to match the required bending angle and radius. However, during the bending process, the pipe bender and plate bender come into contact with the cold-formed steel, which may cause the surface quality of the steel to be unstable due to the bending force, resulting in scratches and dents at the bends, forming appearance defects, and deformation caused by uneven force. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] The technical problem to be solved by the utility model is that when cold-bent steel is subjected to a bending process, the surface quality of the steel is unstable due to the action of external force, resulting in scratches and depressions at the bending position, causing appearance defects, and deformation caused by uneven force.

[0006] (II) Technical solution

[0007] In order to solve the above problems, the utility model provides the following technical solutions:

[0008] A cold-formed steel curved surface rolling bending device comprises a workbench, on which a pressure roller assembly is arranged, the pressure roller assembly comprises a pressure roller support plate, a pressure roller wheel and a sliding pressure roller seat, slide rails are arranged on both sides of the sliding pressure roller seat, a first support roller assembly and a second support roller assembly are arranged on both sides of the pressure roller assembly, an active roller assembly is arranged between the first support roller assembly and the second support roller assembly, the active roller assembly comprises an active roller support plate, an active roller wheel and an active roller seat, a motor is arranged under the workbench, the motor shaft passes through the active roller seat and is fixedly connected to the active roller, a hydraulic cylinder is arranged at one end of the pressure roller assembly, and a telescopic rod of the hydraulic cylinder is connected to the pressure roller assembly.

[0009] Furthermore, a semicircular notch is provided at one end of the pressure roller support plate, the pressure roller wheel is cylindrical, a limiting wheel disc is provided above the pressure roller wheel, and the limiting wheel disc is fixedly connected to the pressure roller support plate.

[0010] Furthermore, the sliding roller seat is L-shaped, one side of the sliding roller seat is fixedly connected to the telescopic rod of the hydraulic cylinder, the roller support plate is fixed above the sliding roller seat, the two sides of the bottom of the sliding roller seat are arranged in the slide rail, and a protective cover is provided at the connection between the sliding roller seat and the slide rail.

[0011] Furthermore, the first support roller assembly and the second support roller assembly have the same structure, including a set of vertical plates and a set of limiting rods, and the second support assembly is placed obliquely.

[0012] Furthermore, the active roller support plate has the same structure as the pressure roller support plate, the active roller is also cylindrical, a rotating wheel disc is provided above the active roller, and a bearing is provided on a side of the rotating wheel disc close to the active roller.

[0013] Furthermore, the active roller seat is also L-shaped, the active roller support plate is arranged on the top of the active roller seat, reinforcing ribs are arranged on both sides of the active roller seat, and the active roller seat is fixedly connected to the workbench.

[0014] Furthermore, a motor fixing plate is provided under the workbench, and the motor is fixedly connected to the motor fixing plate.

[0015] (III) Beneficial effects

[0016] The beneficial effects of the utility model are:

[0017] Cylindrical rollers are used to assist with cold-formed steel bending, and the bending point is rotated to apply force to assist with the bending. During the bending process, the rotating contact of the cylindrical outer surface prevents scratches and dents from appearing at the bending point, and plays an auxiliary role in polishing, making the bending point smooth and beautiful. At the same time, progressive pushing is used for bending, so that the force at the bending point is more uniform, and the rotating pressure makes the bending smooth without causing prominent deformation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of the utility model;

[0019] Figure 2 It is an enlarged view of local A;

[0020] Figure 3 It is a side view of the utility model;

[0021] Figure 4 It is a schematic diagram of cold-bent steel placement of the utility model;

[0022] Figure 5 It is a schematic diagram of cold-formed steel bending of the utility model;

[0023] Markings in the figure: 1-workbench, 2-pressure roller assembly, 3-slide rail, 4-first support roller assembly, 5-second support roller assembly, 6-active roller assembly, 7-motor, 8-hydraulic cylinder, 9-cold-bent steel, 2a-pressure roller support plate, 2b-pressure roller, 2c-sliding pressure roller seat, 2d limiting wheel disc, 4a-vertical plate, 4b-limiting rod, 6a-active roller support plate, 6b-active roller, 6c-active roller seat, 6d-rotating wheel disc. DETAILED DESCRIPTION

[0024] 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.

[0025] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] See also Figure 1-5 A cold-formed steel curved surface rolling bending device shown in the figure includes a workbench 1, on which a pressure roller assembly 2 is provided, the pressure roller assembly 2 includes a pressure roller support plate 2a, a pressure roller wheel 2b and a sliding pressure roller seat 2c, slide rails 3 are provided on both sides of the sliding pressure roller seat 2c, a first support roller assembly 4 and a second support roller assembly 5 are provided on both sides of the pressure roller assembly 2, an active roller assembly 6 is provided between the first support roller assembly 4 and the second support roller assembly 5, the active roller assembly 6 includes an active roller support plate 6a, an active roller 6b and an active roller seat 6c, a motor 7 is provided under the workbench 1, the rotating shaft of the motor 7 passes through the active roller seat 6c and is fixedly connected to the active roller 6b, a hydraulic cylinder 8 is provided at one end of the pressure roller assembly 2, and the telescopic rod of the hydraulic cylinder 8 is connected to the pressure roller assembly 2.

[0027] A semicircular notch is provided at one end of the pressure roller support plate 2a, and the pressure roller wheel 2b is cylindrical. A limiting wheel disc 2d is provided above the pressure roller wheel 2b, and the limiting wheel disc 2d is fixedly connected to the pressure roller support plate 2a. The function of the pressure roller support plate 2a is to provide top support for the pressure roller wheel 2b, while the bottom and middle of the pressure roller wheel 2b are supported by the sliding pressure roller seat 2c, so that the pressure roller wheel 2b has sufficient rigidity and stability, and will not move or tip over when bending. At the same time, the pressure roller wheel 2b is cylindrical and contacts the surface of the cold-bent steel when bending, so that the arc contacts the bending point produced by the bending to reduce friction and avoid scratches and dents.

[0028] The sliding roller seat 2c is L-shaped, and one side of the sliding roller seat 2c is fixedly connected to the telescopic rod of the hydraulic cylinder 8, the roller support plate 2a is fixed above the sliding roller seat 2c, and the two sides of the bottom of the sliding roller seat 2c are arranged in the slide rail 3. A protective cover is provided at the junction of the sliding roller seat 2c and the slide rail 3. The sliding roller seat 2c is engaged with the slide rail 3, and the sliding roller seat 2c can move in the slide rail 3. The roller assembly 2 can move back and forth along the slide rail 3 through the push of the hydraulic cylinder 8. At the same time, the protective cover protects the sliding roller seat 2c, and the slide rail 3 is used for limiting while providing movement.

[0029] See also Figure 4-5 The first support roller assembly 4 and the second support roller assembly 5 have the same structure, including a set of vertical plates 4a and a set of limit rods 4b. The second support assembly 5 is placed obliquely. The first support roller assembly 4 and the second support roller assembly 5 are used to place the cold-bent steel 9. The cold-bent steel 9 in the figure serves as a display. Figure 4 At the beginning of the bending work, the cold-bent steel 9 is inserted from one side of the workbench 1 so that it is between the limit rods 4b. A set of limit rods 4b is two, and a placement channel is formed between them for placing the cold-bent steel. The second support assembly 5 is placed obliquely. Figure 5 When the bending starts, the steel section bends, and the obliquely placed second support assembly 5 can better match the two ends of the bent steel section.

[0030] The active roller support plate 6a has the same structure as the pressure roller support plate 2a, and the active roller 6b is also cylindrical. A rotating wheel disc 6d is provided above the active roller 6b, and a bearing is provided on the rotating wheel disc 6d close to the active roller 6b. The difference between the active roller assembly 6 and the pressure roller assembly 2 is that the active roller assembly 6 is fixed as a whole and cannot move, but the rotating wheel disc 6d provides support for the active roller 6b while allowing the active roller 6b to rotate through the bearing. When the motor 7 drives the active roller 6b to rotate, the support is not affected, and the bending is assisted by the rotation of the motor 7, and the rotation direction of the motor 7 is the same as the bending direction, that is, the directions of the two motors 7 are always opposite, and the motor 7 is a reduction motor for easy use.

[0031] The active roller seat 6c is also L-shaped, the active roller support plate 6a is arranged on the top of the active roller seat 6c, reinforcing ribs are arranged on both sides of the active roller seat 6c, the active roller seat 6c is fixedly connected to the workbench 1, the active roller seat 6d has better fixing performance, and reinforcing ribs are provided to enhance stability, a motor fixing plate is arranged under the workbench 1, and the motor 7 is fixedly connected to the motor fixing plate.

[0032] The specific working principle is: when in use, the cold-bent steel to be bent is placed on the first support assembly 4 and the second support assembly 5, and then the pressure roller assembly 2 is pushed forward slowly by the hydraulic cylinder 8 to contact the cold-bent steel. Under extrusion, both ends of the cold-bent steel contact the active roller 6b of the active roller assembly 6. At this time, the cold-bent steel has three force points, namely two active rollers 6b and one pressure roller 2b. Under the action of the three forces, both ends of the cold-bent steel begin to bend, and the bending effect is increased through the rotation of the active roller 6b.

[0033] 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-restrictive 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 be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0034] 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 cold-formed steel curved surface rolling device, characterized in that: The invention comprises a workbench (1), on which a roller assembly (2) is arranged, wherein the roller assembly (2) comprises a roller support plate (2a), a roller wheel (2b) and a sliding roller seat (2c), wherein slide rails (3) are arranged on both sides of the sliding roller seat (2c), wherein a first supporting roller assembly (4) and a second supporting roller assembly (5) are arranged on both sides of the roller assembly (2), wherein an active roller assembly (6) is arranged between the first supporting roller assembly (4) and the second supporting roller assembly (5), wherein the active roller assembly (6) comprises an active roller support plate (6a), an active roller (6b) and an active roller seat (6c), wherein a motor (7) is arranged below the workbench (1), wherein a rotating shaft of the motor (7) passes through the active roller seat (6c) and is fixedly connected to the active roller (6b), and wherein a hydraulic cylinder (8) is arranged at one end of the roller assembly (2), wherein a telescopic rod of the hydraulic cylinder (8) is connected to the roller assembly (2).

2. The cold-formed steel curved surface rolling device according to claim 1, characterized in that: A semicircular notch is provided at one end of the pressure roller support plate (2a); the pressure roller wheel (2b) is cylindrical; a limiting wheel disc (2d) is provided above the pressure roller wheel (2b); and the limiting wheel disc (2d) is fixedly connected to the pressure roller support plate (2a).

3. The cold-formed steel curved surface rolling device according to claim 1, characterized in that: The sliding roller seat (2c) is L-shaped, one side of the sliding roller seat (2c) is fixedly connected to the telescopic rod of the hydraulic cylinder (8), the roller support plate (2a) is fixed above the sliding roller seat (2c), the two sides of the bottom of the sliding roller seat (2c) are arranged in the slide rail (3), and a protective cover is provided at the connection between the sliding roller seat (2c) and the slide rail (3).

4. The cold-formed steel curved surface rolling device according to claim 3, characterized in that: The first support roller assembly (4) and the second support roller assembly (5) have the same structure, comprising a set of vertical plates (4a) and a set of limiting rods (4b); the second support roller assembly (5) is placed obliquely.

5. The cold-formed steel curved surface rolling device according to claim 1, characterized in that: The active roller support plate (6a) has the same structure as the pressure roller support plate (2a), and the active roller (6b) is also cylindrical. A rotating wheel disc (6d) is provided above the active roller (6b), and a bearing is provided on a side of the rotating wheel disc (6d) close to the active roller (6b).

6. The cold-formed steel curved surface rolling device according to claim 1, characterized in that: The active roller seat (6c) is also L-shaped, the active roller support plate (6a) is arranged on the top of the active roller seat (6c), reinforcing ribs are arranged on both sides of the active roller seat (6c), and the active roller seat (6c) is fixedly connected to the workbench (1).

7. The cold-formed steel curved surface rolling device according to claim 1, characterized in that: A motor fixing plate is provided below the workbench (1), and the motor (7) is fixedly connected to the motor fixing plate.

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