Profile welding pre-deformation device and welding equipment

Abstract

The utility model relates to a profile welding pre-deformation device and welding equipment. The profile welding pre-deformation device comprises a controller and a pre-deformation mechanism. The pre-deformation mechanism comprises a base, a fixed limiting assembly, a movable limiting assembly and at least one execution assembly, the fixed limiting assembly is arranged on the base, and the movable limiting assembly is arranged on the base in a sliding mode. The two ends of the sectional material are connected with the fixed limiting assembly and the movable limiting assembly in a one-to-one correspondence mode, the multiple execution assemblies are arranged on the base at intervals, and the multiple execution assemblies can abut against the sectional material so that the sectional material can be bent and deformed. The controller is connected with the execution assembly. The pre-deformation mechanism enables the profile to be pre-deformed in advance, deformation caused by welding heat input is effectively counteracted by pre-deformation, and therefore the flatness of the profile is kept. By means of the sectional material welding pre-deformation device, the influence of welding heat input on the shape of a sectional material is reduced, meanwhile, residual stress in the sectional material is reduced, bending deformation of the sectional material is prevented, and the welding quality and efficiency are effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of welding equipment technology, and in particular to a profile welding pre-deformation device and welding equipment. Background Technology

[0002] Welding, also known as fusion welding, is a manufacturing process and technology that joins metals or other thermoplastic materials by heating, high temperature, or high pressure. As a common method of metal joining, welding is widely used in various engineering practices. Uneven temperature fields, localized plastic deformation, and differences in specific volume between different microstructures during the welding process can cause changes in the shape of the workpiece. This change is particularly noticeable when welding metal profiles, leading to profile bending. This is a major reason for substandard product quality after welding, requiring significant reshaping and repair work later. Excessive deformation can even render the weldment unusable, impacting production efficiency. Therefore, there is an urgent need for a device that can eliminate or suppress welding deformation of profiles. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides a profile welding pre-deformation device and welding equipment.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, the profile welding pre-deformation device of this utility model includes a controller and a pre-deformation mechanism;

[0007] The pre-deformation mechanism includes a base, a fixed limiting component, a movable limiting component, and at least one actuating component. The fixed limiting component is disposed on the base, and the movable limiting component is slidably disposed on the base.

[0008] Both ends of the profile are respectively connected to the fixed limiting component and the movable limiting component, and multiple execution components are spaced apart on the base. Each of the multiple execution components can abut against the profile to make the profile bend and deform.

[0009] The controller is connected to the execution component.

[0010] Optionally, both the fixed limiting component and the movable limiting component include a support column and a claw. The support column is connected to the base, and the claw is disposed on the top of the support column. The claw is detachably connected to the profile.

[0011] Optionally, the top of the support column is provided with a mounting hole, and the lower end of the claw is provided with a connecting arm, which is detachably connected to the mounting hole.

[0012] Optionally, the lower end of the claw is further provided with a limiting arm, the connecting arm is parallel to the limiting arm, and the limiting arm abuts against the side wall of the support column.

[0013] Optionally, the support column of the fixed limiting component is fixedly connected to the base, and the support column of the movable limiting component is slidably connected to the base.

[0014] Optionally, a plurality of the execution components are arranged at intervals along the line connecting the fixed limiting component and the movable limiting component.

[0015] Optionally, the actuating component includes one or more of a hydraulic cylinder, a pneumatic cylinder, or an electric cylinder.

[0016] Optionally, the force exerted by the actuating component on the profile is opposite in direction to the force exerted by the fixed limiting component and the movable limiting component on the profile.

[0017] Furthermore, the present invention also provides a welding device, which includes a welding apparatus, a controller as described above, and a pair of pre-deformation mechanisms, wherein the pair of pre-deformation mechanisms are arranged opposite to each other, and the welding apparatus is disposed above the pre-deformation mechanisms.

[0018] Optionally, the welding device includes a slide rail, a mounting platform, and multiple welding robots;

[0019] The installation platform is slidably connected to the slide rail, and the installation platform is located above the pre-deformation mechanism. The welding robot is set on the installation platform and can perform welding operations on the profile located below.

[0020] (III) Beneficial Effects

[0021] During the welding process, because the profile has already undergone pre-deformation in the opposite direction to the welding heat deformation, the deformation caused by the welding heat input is effectively offset by the pre-deformation, thus maintaining the flatness of the profile. The profile welding pre-deformation device reduces the impact of welding heat input on the profile shape, while also reducing the residual stress inside the profile, preventing bending deformation, and effectively improving welding quality and efficiency. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the profile welding pre-deformation device of this utility model;

[0023] Figure 2 This is a schematic diagram of the installation of the profile welding pre-deformation device of this utility model;

[0024] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0025] Figure 4 for Figure 2 Enlarged view of point B in the middle;

[0026] Figure 5 for Figure 2 Enlarged view of point C in the middle;

[0027] Figure 6 This is a schematic diagram of the welding device of this utility model.

[0028] [Explanation of Labels in the Attached Image]

[0029] 100: Pre-deformation mechanism; 101: Profile; 102: Sheet metal;

[0030] 1: Base;

[0031] 2: Fixed limiting component; 21: Support column; 22: Claw; 23: Mounting hole; 24: Connecting arm; 25: Limiting arm; 26: Sliding sleeve;

[0032] 3: Activity limiting components;

[0033] 4: Execution components;

[0034] 5: Welding equipment; 51: Slide rail; 52: Mounting platform; 53: Welding robot;

[0035] 6: Conveyor line. Detailed Implementation

[0036] To better explain and facilitate understanding of this utility model, a detailed description of its specific embodiments is provided below with reference to the accompanying drawings. In this document, directional terms such as "upper," "lower," etc., are used interchangeably with other directional terms. Figure 2 The orientation is used as a reference.

[0037] While exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present invention can be understood more clearly and thoroughly, and that the scope of the present invention can be fully conveyed to those skilled in the art.

[0038] like Figures 1 to 5As shown, a profile welding pre-deformation device includes a controller and a pre-deformation mechanism 100. The pre-deformation mechanism 100 includes a base 1, a fixed limiting component 2, a movable limiting component 3, and at least one actuating component 4. The fixed limiting component 2 is disposed on the base 1, and the movable limiting component 3 is slidably disposed on the base 1. Both ends of the profile 101 are respectively connected to the fixed limiting component 2 and the movable limiting component 3. When the movable limiting component 3 slides, relative movement occurs between the movable limiting component 3 and the fixed limiting component 2, thereby adjusting the clamping distance between the movable limiting component 3 and the fixed limiting component 2 to accommodate profiles 101 of different lengths.

[0039] Multiple actuators 4 are spaced apart on the base 1. Each actuator 4 can abut against the profile 101 to induce a certain amount of bending deformation in the profile 101 before welding. A controller is connected to the actuators 4. The controller is a conventional device that controls the actuators 4, thereby controlling the deformation of the profile 101. It should be noted that welding deformation prediction is not within the scope of this application. This application only provides a device that can force the profile 101 to pre-deform. The amount of pre-deformation is set according to the amount of welding deformation, and the direction of pre-deformation is opposite to the direction of welding thermal deformation. In one embodiment, the ends of the profile 101 are firmly locked by a fixed limiting component 2 and a movable limiting component 3, respectively, to restrict the lateral displacement of the profile 101. The actuators 4 apply pressure to the profile 101, causing the middle of the profile 101 to arch upward and produce pre-deformation. After the pre-deformation reaches the set value, the welding robot 53 begins welding the upper surface of the profile 101.

[0040] During the welding process, since the profile 101 has already undergone pre-deformation in the opposite direction to the welding heat deformation, the deformation caused by the welding heat input is effectively offset by the pre-deformation, thereby maintaining the flatness of the profile 101. The profile welding pre-deformation device reduces the impact of welding heat input on the shape of the profile 101, while also reducing the residual stress inside the profile 101, preventing the profile 101 from bending and deforming, and effectively improving welding quality and efficiency.

[0041] As shown in the figure Figures 2 to 4 As shown, both the fixed limiting component 2 and the movable limiting component 3 include a support column 21 and a claw 22. The support column 21 is connected to the base 1, and the claw 22 is installed on the top of the support column 21. The claw 22 is detachably connected to the profile 101, facilitating the replacement of the profile 101. In addition, the support column 21 supports the profile 101, allowing the profile 101 to be suspended in the air, thus accelerating the heat dissipation efficiency during the welding of the profile 101.

[0042] In a preferred embodiment, the top of the support column 21 is provided with a mounting hole 23, and the lower end of the claw 22 is provided with a connecting arm 24. The connecting arm 24 is inserted into the mounting hole 23 and locked by bolts or pins, which facilitates the replacement of different claws 22 according to different sizes and shapes of profiles 101, improving the flexibility of the fixed limiting component 2 and the movable limiting component 3. Furthermore, the lower end of the claw 22 is also provided with a limiting arm 25, and the connecting arm 24 is parallel to the limiting arm 25. The connecting arm 24 and the limiting arm 25 form an inverted U-shape or a similar inverted U-shape structure. After the connecting arm 24 is inserted into the mounting hole 23, the limiting arm 25 abuts against the side wall of the support column 21, improving the stability of the claw 22 installation.

[0043] See Figure 3 and Figure 4 The support column 21 of the fixed limiting component 2 is fixedly connected to the base 1. The lower end of the support column 21 of the movable limiting component 3 is slidably connected to the base 1 through a sliding sleeve. If necessary, the sliding sleeve can be locked with bolts to lock the current position of the support column 21 of the movable limiting component 3. By adjusting the position of the movable limiting component 3, the distance between the movable limiting component 3 and the fixed limiting component 2 can be adjusted, making it suitable for profiles 101 of different lengths.

[0044] Multiple actuators 4 are sequentially spaced along the line connecting the fixed limiting assembly 2 and the movable limiting assembly 3, causing the profile 101 to bend and deform uniformly. The number of actuators 4 is selected based on the length of the profile 101, ensuring that the pre-deformation amount of the profile 101 is the same as and opposite in direction to the welding deformation amount. When there is only one actuator 4, it is located in the middle position of the profile 101. The actuator 4 includes one or more of a hydraulic cylinder, a pneumatic cylinder, or an electric cylinder. The controller is used to control the extension amount of the piston rod of the hydraulic cylinder, the pneumatic cylinder, or the lead screw of the electric cylinder, and the control method is conventional. The force exerted by the actuator 4 on the profile 101 is opposite in direction to the forces exerted by the fixed limiting assembly 2 and the movable limiting assembly 3 on the profile 101. Figure 5 As shown, taking a hydraulic cylinder as an example, the execution component 4 includes one or more hydraulic cylinders. A lifting block is connected to the top of the piston rod of each hydraulic cylinder. When the hydraulic cylinder is activated, the piston rod rises upwards, and the lifting block abuts against the profile 101, causing the middle of the profile 101 to arch upwards and produce pre-deformation. Simultaneously, the fixed limiting component 2 and the movable limiting component 3 firmly clamp both ends of the profile 101, restricting its lateral and longitudinal displacement. After the pre-deformation reaches the set value, the welding robot 53 begins welding the upper surface of the profile 101.

[0045] This utility model also provides a welding device, such as Figure 2 and Figure 6As shown, the welding equipment includes a welding device 5, a controller, and a pair of pre-deformation mechanisms 100, which are arranged opposite to each other. During welding of the profile 101 and the plate 102, the pair of pre-deformation mechanisms 100 respectively fix one profile 101, and the plate 102 is laid on the two profiles 101. The welding device 5 is positioned above the pre-deformation mechanisms 100. After the profiles 101 have completed pre-deformation, the welding device 5 welds the plate 102 onto the two profiles 101.

[0046] Further, see Figure 2 and Figure 6 The welding device 5 includes a slide rail 51, a mounting platform 52, and multiple welding robots 53. The extension direction of the slide rail 51 is parallel to the extension direction of the base 1 of the pre-deformation mechanism 100. The mounting platform 52 is slidably connected to the slide rail 51 and is driven to move by a drive device. The mounting platform 52 is located above the pre-deformation mechanism 100, and the welding robots 53 are mounted on the mounting platform 52. When the mounting platform 52 moves, it drives the welding robots 53 to move and perform moving welding operations on the profile 101 located below, thereby improving welding efficiency. After welding, the workpiece slides along the set conveyor line 6 for unloading.

[0047] In the description of this utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0048] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0049] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "beneath" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0050] In the description of this specification, the terms "one embodiment," "some embodiments," "embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0051] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make modifications, alterations, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A profile welding pre-straightening device, characterized in that, The profile welding pre-deformation device comprises a controller and a pre-deformation mechanism (100); The pre-deformation mechanism (100) comprises a base (1), a fixed limiting component (2), a movable limiting component (3), and at least one execution component (4), the fixed limiting component (2) is arranged on the base (1), and the movable limiting component (3) is slidingly arranged on the base (1); Both ends of the profile (101) are connected to the fixed limiting component (2) and the movable limiting component (3) one by one, and a plurality of execution components (4) are arranged on the base (1) at intervals, and each execution component (4) can abut against the profile (101) to make the profile (101) bend and deform; The controller is connected to the execution component (4).

2. A profile welding pre-strain device according to claim 1, characterized in that The fixed limiting component (2) and the movable limiting component (3) each comprise a support column (21) and a claw (22), the support column (21) is connected to the base (1), and the claw (22) is arranged at the top of the support column (21), and the claw (22) is detachably connected to the profile (101).

3. A profile welding pre-strain device according to claim 2, wherein The top of the support column (21) is provided with a mounting hole (23), and the lower end of the claw (22) is provided with a connecting arm (24), and the connecting arm (24) is detachably connected to the mounting hole (23).

4. A profile welding pre-strain device according to claim 3, wherein The lower end of the claw (22) is further provided with a limiting arm (25), the connecting arm (24) is parallel to the limiting arm (25), and the limiting arm (25) abuts against the side wall of the support column (21).

5. The profile welding pre-strain device of claim 2, wherein, The support column (21) of the fixed limiting component (2) is fixedly connected to the base (1), and the support column (21) of the movable limiting component (3) is slidingly connected to the base (1).

6. The profile welding pre-strain device of claim 1, wherein, A plurality of execution components (4) are arranged in sequence at intervals along the connecting line direction of the fixed limiting component (2) and the movable limiting component (3).

7. The profile welding pre-strain device of claim 1, wherein, The execution component (4) comprises one or more of a hydraulic cylinder, a gas cylinder, or an electric cylinder.

8. A profile welding pre-strain device according to claim 7, wherein The force of the execution component (4) acting on the profile (101) is opposite in direction to the force of the fixed limiting component (2) and the movable limiting component (3) acting on the profile (101).

9. A welding apparatus characterized by, The welding device comprises a welding device (5) and the profile welding pre-deformation device according to any one of claims 1-8, and a pair of pre-deformation mechanisms (100) are oppositely arranged, and the welding device (5) is arranged above the pre-deformation mechanism (100).

10. The welding apparatus of claim 9, wherein, The welding device (5) comprises a sliding rail (51), a mounting platform (52), and a plurality of welding robots (53); The mounting platform (52) is slidingly connected to the sliding rail (51), the mounting platform (52) is located above the pre-deformation mechanism (100), the welding robot (53) is arranged on the mounting platform (52), and the welding robot (53) can perform welding work on the profile (101) located below.

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