Workpiece fixing device for mechanical welding

Abstract

The utility model provides a kind of workpiece fixing device for mechanical welding, including the positioning table for welding piece fixed, the positioning table one end is rotatably connected with multiple turnover tables, turnover table one side is fixedly connected with magnet, magnet one end sticks welding piece, positioning table other end is fixedly connected with horizontal L type rotating lever, multiple horizontal L type rotating lever are rotatably connected between each other, horizontal L type rotating lever other end is rotatably connected with lifting assembly one, lifting assembly one includes lifting telescopic link one and connecting rod assembly one, the connecting rod assembly one one end is rotatably connected in horizontal L type rotating lever, and the other end of connecting rod assembly one is rotatably connected in lifting telescopic link one;When the magnet automatically sticks inside welding piece and is pre-fixed by the turnover table of positioning table two sides in pressure rotation, cooperate the rotation of horizontal L type rotating lever to realize workpiece edge accurate butt joint, and workpiece is adsorbed using magnet, prevent workpiece displacement in installation process, improve butt joint accuracy and operating efficiency.

Description

Technical Field

[0001] This utility model relates to the field of welding technology, and in particular to a workpiece fixing device for mechanical welding. Background Technology

[0002] Mechanical welding workpiece fixing devices are specialized auxiliary equipment used in welding operations to securely clamp workpieces and ensure welding accuracy. Their core function is to fix the workpiece to be welded in a preset position through rigid support and precise positioning, avoiding displacement deviations caused by external forces or thermal deformation during welding. However, fixing large, bent, plate-shaped workpieces can be inconvenient due to their size.

[0003] A search revealed a Chinese patent publication number CN211680726U, which discloses a workpiece fixing device for mechanical welding, including a base. The top of the base is fixedly connected to a fixing frame, and there are two fixing frames. A pull rod A is inserted into one side of the inside of the fixing frame. The pull rod A passes through the top of the fixing frame. A pressure plate is welded to the bottom of the pull rod A, and a handle A is fixedly connected to the top of the pull rod A.

[0004] To address the problems of the aforementioned technologies, such as the inconvenience in fixing large, bent plate-shaped workpieces and the inability to effectively and quickly install large bent plate-shaped workpieces, a workpiece fixing device for mechanical welding is proposed. Utility Model Content

[0005] In view of this, the present invention aims to provide a workpiece fixing device for mechanical welding to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial option.

[0006] The technical solution of this utility model embodiment is implemented as follows: it includes a positioning platform for fixing the welded parts, one end of the positioning platform is rotatably connected to multiple flipping platforms, one side of the flipping platform is fixedly connected to a magnet, one end of the magnet is attached to the welded parts, the other end of the positioning platform is fixedly connected to a horizontal L-shaped rotating rod, the multiple horizontal L-shaped rotating rods are rotatably connected to each other, and the other end of the horizontal L-shaped rotating rod is rotatably connected to a lifting component.

[0007] In some embodiments, the lifting assembly 1 includes a lifting telescopic rod 1 and a connecting rod assembly 1, one end of the connecting rod assembly 1 being rotatably connected to a horizontal L-shaped rotating rod, and the other end of the connecting rod assembly 1 being rotatably connected to the lifting telescopic rod 1.

[0008] In some embodiments, an adjustment plate is fixedly connected to one side of the lifting telescopic rod, and a base is rotatably connected to the lower end of the adjustment plate.

[0009] In some embodiments, an adjusting push rod is fixedly connected to one side of the base platform, and an adjusting connecting rod is rotatably connected to the telescopic end of the adjusting push rod and the bottom of the adjusting plate.

[0010] In some embodiments, a rotating bracket is slidably connected above the base platform, a second lifting telescopic rod is rotatably connected above the rotating bracket, and a second connecting rod assembly is rotatably connected above the second lifting telescopic rod.

[0011] In some embodiments, one end of the connecting rod assembly is rotatably connected to a plurality of longitudinal L-shaped rotating rods, and the other end of the longitudinal L-shaped rotating rods is rotatably connected to an extrusion plate, the other end of which is attached to a welded component.

[0012] In some embodiments, an adjustment groove is provided on one side of the adjustment plate, and a screw and nut are slidably connected inside the adjustment groove, with a rotating bracket fixedly connected above the screw and nut.

[0013] In some embodiments, a drive motor is fixedly connected to the bottom of the adjustment plate, and a double-ended screw is fixedly connected to the power output end of the drive motor. The two ends of the double-ended screw are rotatably connected to the bottom of the adjustment plate, and the two sides of the double-ended screw are threadedly connected to the screw nut.

[0014] The present invention has the following advantages due to the adoption of the above technical solution:

[0015] 1. A workpiece fixing device for mechanical welding, wherein when the two flip tables on both sides of the positioning table rotate under pressure, magnets automatically adhere to the inner side of the workpiece for pre-fixation, and the rotation of the horizontal L-shaped rotating rod achieves precise docking of the workpiece edges, and the magnets are used to attract the workpiece to prevent workpiece displacement during installation, thereby improving docking accuracy and operating efficiency.

[0016] 2. A workpiece fixing device for mechanical welding, which controls the horizontal / longitudinal L-shaped rotating rod through a lifting telescopic rod drive linkage assembly to achieve three-dimensional position adjustment of the workpiece; the adjustment push rod links with the adjustment plate to form an inclination angle, which, together with the rotation of the base, completes the workpiece flipping. This design is suitable for processing workpieces of different sizes and complex welding surfaces.

[0017] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1This is the main view of the present invention.

[0020] Figure 2 This is a side view of the present invention.

[0021] Figure 3 This is a structural diagram of the extrusion plate installation of this utility model;

[0022] Figure 4 This is a bottom structural diagram of the adjustment plate of this utility model.

[0023] Figure label:

[0024] 1. Base platform; 2. Adjustment plate; 3. Adjustment push rod; 4. Adjustment connecting rod; 5. Lifting telescopic rod one; 6. Connecting rod assembly one; 7. Horizontal L-shaped rotating rod; 8. Positioning platform; 9. Tilting platform; 10. Magnet; 11. Lifting telescopic rod two; 12. Connecting rod assembly two; 13. Longitudinal L-shaped rotating rod; 14. Extrusion plate; 15. Welded parts; 16. Rotating bracket; 17. Adjustment groove; 18. Drive motor; 19. Double-ended screw; 20. Screw nut. Detailed Implementation

[0025] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.

[0026] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0027] Example 1:

[0028] like Figure 1-4 As shown, a workpiece fixing device for mechanical welding includes a positioning table 8 for fixing the welded workpiece 15. One end of the positioning table 8 is rotatably connected to a plurality of flip tables 9. A magnet 10 is fixedly connected to one side of the flip table 9. One end of the magnet 10 is attached to the welded workpiece 15. The other end of the positioning table 8 is fixedly connected to a horizontal L-shaped rotating rod 7. The plurality of horizontal L-shaped rotating rods 7 are rotatably connected to each other. The other end of the horizontal L-shaped rotating rod 7 is rotatably connected to a lifting assembly.

[0029] During installation, for large plates with bends, the two flip tables 9 on one side of the positioning table 8 can rotate after being squeezed, so that the magnet 10 fits against the inner side of the weldment 15. Then, the horizontal L-shaped rotating rod 7 can be rotated to align the edges of the weldment 15 on both sides for easy subsequent welding. The magnet 10 is used for pre-fixing, which can prevent the weldment 15 from shaking during subsequent operations and make it easier to adjust the alignment. All rotating connections here can be fixed and locked with bolts.

[0030] In this embodiment, the lifting assembly includes a lifting telescopic rod 5 and a connecting rod assembly 6. One end of the connecting rod assembly 6 is rotatably connected to a horizontal L-shaped rotating rod 7, and the other end of the connecting rod assembly 6 is rotatably connected to the lifting telescopic rod 5. The lifting telescopic rod 5 is preferably an electric telescopic rod.

[0031] The lifting assembly can adjust the welding position of the welded part 15 through the multi-section rotating linkage assembly 6 and the lifting telescopic rod 5, which facilitates welding at different heights and positions and clamping of welded parts 15 of different sizes. All rotating connections here can be fixed and locked with bolts.

[0032] In this embodiment, an adjustment plate 2 is fixedly connected to the lower part of the lifting telescopic rod 5, and a base 1 is rotatably connected to the lower end of the adjustment plate 2; an adjustment push rod 3 is fixedly connected to one side of the base 1, preferably a hydraulic type, and an adjustment connecting rod 4 is rotatably connected to the telescopic end of the adjustment push rod 3 and the bottom of the adjustment plate 2.

[0033] For the bent weldment 15, when it is necessary to weld its bottom, the adjusting push rod 3 can be extended and the adjusting connecting rod 4 can be used to tilt the adjusting plate 2 up, so that the weldment 15 can be flipped over to facilitate welding the bottom.

[0034] In this embodiment, a rotating bracket 16 is slidably connected above the base platform 1, and a second lifting telescopic rod 11 is rotatably connected above the rotating bracket 16. The second lifting telescopic rod 11 is also an electric telescopic rod. A second connecting rod assembly 12 is rotatably connected above the second lifting telescopic rod 11. One end of the second connecting rod assembly 12 is rotatably connected to a plurality of longitudinal L-shaped rotating rods 13, and the other end of the longitudinal L-shaped rotating rods 13 is rotatably connected to an extrusion plate 14. The other end of the extrusion plate 14 is attached to a welded part 15.

[0035] During use, the pressing plates 14 on the upper and lower sides can be used to press and fix the other side of the welded part 15, thus preventing the welded part 15 from shaking during welding. At the same time, the multiple pressing plates 14 on both sides press from four positions, further improving the firmness.

[0036] Furthermore, the lifting telescopic rod 11 can be used in conjunction with the longitudinal L-shaped rotating rod 13 to adjust the position of the extrusion plate 14 from multiple angles, and the rotating bracket 16 can also be used to clamp from more angles. All rotating connections here can be fixed and locked with bolts.

[0037] In this embodiment: During installation, for large plates with bends, the two flip tables 9 on one side of the positioning table 8 can rotate after being squeezed, so that the magnet 10 fits against the inner side of the weldment 15. Then, the horizontal L-shaped rotating rod 7 can be rotated to make the edges of the weldment 15 on both sides align together for easy subsequent welding. The magnet 10 is used for pre-fixing, which can prevent the weldment 15 from shaking during subsequent fixing operations and make it easier to adjust the alignment.

[0038] The lifting assembly can adjust the welding position of the welded part 15 through the multi-section rotating linkage assembly 6 and the lifting telescopic rod 5, so as to facilitate welding at different heights and positions and clamp the welded parts 15 of different sizes. When the bottom of the welded part 15 is to be welded, the extension adjustment push rod 3 can be used to adjust the adjustment plate 2 by using the adjustment linkage 4 to tilt one section, so that the welded part 15 can be flipped over to facilitate welding the bottom.

[0039] During use, the pressing plates 14 on the upper and lower sides can be used to press and fix the other side of the welded part 15, thus preventing the welded part 15 from shaking during welding. At the same time, the multiple pressing plates 14 on both sides press from four positions, further improving the firmness.

[0040] Furthermore, the lifting telescopic rod 11 can be used in conjunction with the longitudinal L-shaped rotating rod 13 to adjust the position of the extrusion plate 14 from multiple angles, and the rotating bracket 16 is also convenient for clamping from more angles.

[0041] Example 2:

[0042] A workpiece fixing device for mechanical welding, this embodiment is based on embodiment 1 with the following improvements, such as... Figure 1-4 As shown,

[0043] In this embodiment, an adjustment groove 17 is opened on one side of the adjustment plate 2, and a screw nut 20 is slidably connected inside the adjustment groove 17. The screw nut 20 is fixedly connected to the rotating bracket 16 above, and a drive motor 18 is fixedly connected to the bottom of the adjustment plate 2. A double-headed screw 19 is fixedly connected to the power output end of the drive motor 18. The two ends of the double-headed screw 19 are rotatably connected to the bottom of the adjustment plate 2, and the two sides of the double-headed screw 19 are threadedly connected to the screw nut 20.

[0044] When the drive motor 18 is working, it can drive the double-headed screw 19 to rotate, which in turn drives the screw nuts 20 on both sides to move inward and outward in sync. This allows for simultaneous adjustment of the position of the extrusion plates 14 on both sides above, making it easy to adjust and fix.

[0045] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this utility model, and these should all be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A workpiece fixing device for mechanical welding, comprising a positioning table (8) for fixing the welded workpiece (15), characterized in that: The positioning platform (8) is rotatably connected to multiple flipping platforms (9) at one end. A magnet (10) is fixedly connected to one side of the flipping platform (9). One end of the magnet (10) is attached to a welded part (15). The other end of the positioning platform (8) is fixedly connected to a horizontal L-shaped rotating rod (7). Multiple horizontal L-shaped rotating rods (7) are rotatably connected to each other. The other end of the horizontal L-shaped rotating rod (7) is rotatably connected to a lifting assembly. The lifting assembly includes a lifting telescopic rod (5) and a connecting rod assembly (6). One end of the connecting rod assembly (6) is rotatably connected to the horizontal L-shaped rotating rod (7), and the other end of the connecting rod assembly (6) is rotatably connected to the lifting telescopic rod (5). An adjustment plate (2) is fixedly connected below the lifting telescopic rod (5), and a base platform (1) is rotatably connected to the lower end of the adjustment plate (2). The adjustment plate (2) has an adjustment groove (17) on one side, and a screw nut (20) is slidably connected inside the adjustment groove (17). The screw nut (20) is fixedly connected to the rotating bracket (16) above.

2. The workpiece fixing device for mechanical welding according to claim 1, characterized in that: An adjusting push rod (3) is fixedly connected to one side of the base (1), and an adjusting connecting rod (4) is rotatably connected to the telescopic end of the adjusting push rod (3) and the bottom of the adjusting plate (2).

3. The workpiece fixing device for mechanical welding according to claim 2, characterized in that: A rotating bracket (16) is slidably connected above the base (1), a lifting telescopic rod (11) is rotatably connected above the rotating bracket (16), and a connecting rod assembly (12) is rotatably connected above the lifting telescopic rod (11).

4. The workpiece fixing device for mechanical welding according to claim 3, characterized in that: The second link assembly (12) has multiple longitudinal L-shaped rotating rods (13) rotatably connected to one end, and an extrusion plate (14) rotatably connected to the other end of the longitudinal L-shaped rotating rods (13), with a welded part (15) attached to the other end of the extrusion plate (14).

5. A workpiece fixing device for mechanical welding according to claim 2, characterized in that: The bottom of the adjustment plate (2) is fixedly connected to a drive motor (18), and the power output end of the drive motor (18) is fixedly connected to a double-headed screw (19). The two ends of the double-headed screw (19) are rotatably connected to the bottom of the adjustment plate (2), and the two sides of the double-headed screw (19) are threadedly connected to the screw nut (20).

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