Production line for I-shaped beam of coil steel box
By designing a production line for rolled steel box girder I-beams and using equipment such as turning tables and limit frames, the process decomposition and mechanized welding were realized, solving the problems of high labor intensity and low output, and improving production efficiency and product quality.
Patent Information
- Application Number
- CN202520485341.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-03-19
AI Technical Summary
In existing technologies, the production of rolled steel box girder is labor-intensive, requires highly skilled workers, and has limited capacity expansion, thus failing to meet production demands.
A production line for rolled steel box girder I-beams is adopted, including a turning table, a limiting frame, support wheels, bearing seats, a welding robot, a side bending correction table, and a deflection correction table. The production line breaks down the process into simple steps such as assembly, welding, and turning, and uses robotic arms for automatic welding, reducing manual operation.
It improved production efficiency, reduced the skill requirements for workers, stabilized product quality, significantly increased output, and met production capacity demands.
Smart Images
Figure CN223863137U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of production technology of rolled steel box I-beams, specifically to a production line for rolled steel box I-beams. Background Technology
[0002] Due to the technical requirements of the final product, non-standard I-beams are often required for steel roll boxes, transport vehicle frames, etc.
[0003] Previously, several workers would assemble and weld the I-beams at a single jig, using cranes or forklifts to rotate them. This method was labor-intensive, requiring long periods of continuous welding and demanding high levels of worker skill. Furthermore, limitations in processes, space, and transportation meant that even adding more jigs offered limited improvement in production, with each jig producing only 2-3 pieces per hour, far from meeting capacity demands.
[0004] Therefore, a production line for rolled steel box girder I-beams is proposed. Utility Model Content
[0005] The purpose of this invention is to address the problem that traditionally, several workers assemble and weld I-beams at a single jig, using cranes or forklifts to rotate them. This method is labor-intensive, requires long periods of continuous welding, and demands high worker skills. Furthermore, due to limitations in processes, space, and transportation, even adding multiple jigs only slightly increases production capacity, with each jig producing only 2-3 pieces per hour, far from meeting production demands. This invention provides a production line for rolled steel box girder I-beams.
[0006] To achieve the above objectives, this utility model specifically adopts the following technical solution:
[0007] A production line for producing rolled steel box girder I-beams includes a turning table. The turning table has an internal limiting frame for smooth pushing. The left side of the turning table has a support wheel and bearing seat for easy rotation. The limiting frame contains a shaped beam. The right side of the turning table has a welding robot for welding operations. The right side of the welding robot has a lateral bending correction table, and the right side of the lateral bending correction table has a deflection correction table. The lateral bending correction table and the deflection correction table have internal hydraulic cylinders for easy pushing. The upper surfaces of the lateral bending correction table and the deflection correction table have rollers for pushing the shaped beam.
[0008] Furthermore, the bearing housing is mounted on the rotating end of the support wheel.
[0009] Furthermore, the limiting frame is provided with auxiliary limiting rollers.
[0010] Furthermore, the welding robot includes a cylinder and a support, the support being mounted on the lower side of the welding robot, and the cylinder being mounted on the inner top surface of the support.
[0011] The beneficial effects of this utility model are as follows:
[0012] This invention utilizes assembly line production, breaking down the manufacturing process of I-beams into multiple simple steps. After assembly, welding, reassembly, slag removal, and maintenance, the finished product is output, significantly improving efficiency. The tooling positioning robotic arm automates welding, reducing the skill requirements for welding workers and ensuring stable product quality and output.
[0013] The product manufacturing process is carried out in a fixed sequence, and the work content and time of each step can be carefully arranged and controlled to improve and stabilize the product manufacturing quality. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the flip-station structure of this utility model;
[0015] Figure 2 This is a schematic diagram of the second welding station structure of this utility model;
[0016] Figure 3 This is a partial structural diagram of the second welding station of this utility model;
[0017] Figure 4 This is a schematic diagram of the calibration station structure of this utility model;
[0018] Reference numerals in the attached drawings: 1. Tilting table; 2. Limiting frame; 3. Support wheel; 4. Bearing seat; 5. Shaped beam; 6. Welding robot; 7. Hydraulic cylinder; 8. Roller; 9. Side bending straightening table; 10. Deflection straightening table; 11. Cylinder; 12. Support. Detailed Implementation
[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0020] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0021] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0022] In the description of the embodiments of this utility model, it should be noted that the terms "inner", "outer", "upper", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0023] Please see Figure 1-3 A production line for producing rolled steel box girder I-beams includes a turning table 1. Inside the turning table 1 is a limiting frame 2 for smooth pushing. On the left side of the turning table 1 are a support wheel 3 and a bearing seat 4 for easy rotation. Inside the limiting frame 2 is a shaped beam 5. On the right side of the turning table 1 is a welding robot 6 for welding operations. To the right of the welding robot 6 is a side bending correction table 9. To the right of the side bending correction table 9 is a deflection correction table 10. Inside the side bending correction table 9 and the deflection correction table 10 are hydraulic cylinders 7 for easy pushing. Rollers 8 for pushing the shaped beam 5 are provided on the upper surfaces of the side bending correction table 9 and the deflection correction table 10.
[0024] Specifically, it consists of a tilting table 1, a limiting frame 2, a support wheel 3, and a bearing seat 4, plus other connecting parts. The rotation power can be manual or mechanical. After the beam 5 enters the assembly and welding process, it needs to be sprayed with anti-splatter liquid in advance, which can effectively reduce the amount of subsequent slag cleaning and grinding work and ensure the product appearance. Three welding robots 6 are used on each side, or more depending on the product length, to weld from the middle to both ends in sequence. After the beam 5 is cooled at the front station, it enters the side bending correction table 9 and deflection correction table 10 in sequence through rollers 8. With the help of a crane, mechanical force is applied at multiple points through hydraulic cylinders 7 to make the beam 5 deform in the opposite direction, so that the straightness and deflection of the product meet the technical requirements. This utility model is composed of multiple stations in the form of an assembly line. The product forms a continuous flow in the production line, reducing the dwell time of the product in each process, thereby improving the production capacity.
[0025] The bearing housing 4 is installed on the rotating end of the support wheel 3.
[0026] Specifically: manual rotation is suitable for products weighing less than 800kg. Its advantages are lower investment, faster production line setup, and suitability for switching to multiple products or situations requiring frequent production line adjustments. Mechanical power rotation requires the addition of a motor and chain drive to the support wheel 3, making one side of the support wheel 3 actively rotate while the other side remains driven. This power method is suitable for heavier products and larger batch sizes, effectively reducing the labor intensity of workers and ensuring production rhythm.
[0027] The limit frame 2 is equipped with auxiliary limit rollers.
[0028] Specifically, the beam 5 is limited by the auxiliary limiting rollers on the limiting frame 2, and then smoothly pushed into the flipping station. Both ends are fixed to prevent displacement. The flipping table 1 flips the beam 5 180 degrees and then pushes it to the next process.
[0029] The welding robot 6 includes a cylinder 11 and a support 12. The support 12 is installed on the lower side of the welding robot 6, and the cylinder 11 is installed on the inner top surface of the support 12.
[0030] Specifically, the second welding station consists of welding robot 6, cylinder 11, and support bracket 12. Different clamping and fixing schemes will be used at this station depending on the cross-sectional dimensions, material thickness, and length of the workpiece. For example, when producing a workpiece with a cross-section of 90cm... 2 For workpieces with a web thickness of 10mm and a length of approximately 6 meters, a cylinder 11 is used on the support 12 to clamp and fix the beam 5 vertically. When the fixed beam 5 is welded by the welding robot 6, its position can be kept relatively fixed, and the welding robot 6 does not need infrared tracking or adjustment of the weld position each time.
[0031] In summary:
[0032] The assembly consists of a tilting table 1, a limiting frame 2, support wheels 3, and bearing seats 4, along with other connecting parts. Rotation power can be manual or mechanical. After the beam 5 enters the assembly and welding process, it needs to be pre-sprayed with anti-splatter liquid to effectively reduce subsequent slag removal and grinding work, ensuring the product's appearance. Three welding robots 6 are used on each side, or more depending on the product length, to weld sequentially from the middle towards both ends. After cooling at the previous station, the beam 5 passes through rollers 8 and sequentially enters the side bending and deflection straightening tables 9 and 10. With the help of a crane, mechanical force is applied at multiple points via hydraulic cylinders 7, causing the beam 5 to deform in the opposite direction, ensuring the product's straightness and deflection meet technical requirements. This utility model is composed of multiple stations in a streamlined form, allowing products to flow continuously on the production line, reducing the product's dwell time in each process, thereby improving production capacity. Manual rotation is suitable for products... For parts weighing less than 800kg, the advantages are lower investment, faster production line setup, and suitability for switching to multiple products or frequent production line adjustments. Mechanical power rotation requires adding a motor and chain drive to the support wheel 3, making one side of the support wheel 3 actively rotating while the other remains driven. This power method is suitable for heavier parts and larger batch sizes, effectively reducing worker workload and ensuring production rhythm. The beam 5 is limited by auxiliary limiting rollers on the limiting frame 2 and then smoothly pushed into the flipping station. Both ends are fixed to prevent displacement. The flipping table 1 flips the beam 5 180 degrees and advances it to the next process. The welding robot 6, cylinder 11, and bracket 12 form the second welding station. Different clamping and fixing schemes are used at this position depending on the cross-sectional dimensions, material thickness, and length of the workpiece. For example, for workpieces with a cross-section of 90cm... 2 For workpieces with a web thickness of 10mm and a length of approximately 6 meters, a cylinder 11 is used on the support 12 to clamp and fix the beam 5 vertically. When the fixed beam 5 is welded by the welding robot 6, its position can be kept relatively fixed, and the welding robot 6 does not need infrared tracking or adjustment of the weld position each time.
[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A production line for rolled steel box girder I-beams, comprising a turnover table (1), characterized in that, The inside of the turning table (1) is provided with a limiting frame (2) to improve the smoothness of pushing. The left side of the turning table (1) is provided with a support wheel (3) and a bearing seat (4) for easy rotation. The inside of the limiting frame (2) is provided with a beam (5). The right side of the turning table (1) is provided with a welding robot (6) for welding operations. The right side of the welding robot (6) is provided with a side bending correction table (9). The right side of the side bending correction table (9) is provided with a deflection correction table (10). The inside of the side bending correction table (9) and the deflection correction table (10) is provided with a hydraulic cylinder (7) for easy pushing. The upper end face of the side bending correction table (9) and the deflection correction table (10) is provided with a roller (8) for easy pushing of the beam (5).
2. The production line for rolled steel box girder I-beams according to claim 1, characterized in that, The bearing housing (4) is installed on the rotating end of the support wheel (3).
3. The production line for rolled steel box girder I-beams according to claim 1, characterized in that, The limiting frame (2) is equipped with auxiliary limiting rollers.
4. A production line for rolled steel box girder I-beams according to claim 1, characterized in that, The welding robot (6) includes a cylinder (11) and a bracket (12). The bracket (12) is installed on the lower side of the welding robot (6), and the cylinder (11) is installed on the inner top surface of the bracket (12).