Main framework welding device

Abstract

The utility model relates to the field of seat machining, and discloses a main framework welding device which comprises two supporting plates, the two supporting plates are fixed to the top face of a base respectively, a driving motor is fixed to the top face of a connecting plate on the right side, and a connecting column is fixed to the top face of a connecting plate on the left side. U-shaped frames are fixed to the top end of the connecting column and the output end of the driving motor correspondingly, threaded holes are formed in the top faces of the two U-shaped frames correspondingly, the two threaded holes are in threaded connection with bolts correspondingly, extrusion plates are fixed to one ends of the two bolts correspondingly, and a limiting groove is formed in the top face of the connecting plate on the right side. A limiting column is fixed to the bottom face of the U-shaped frame on the right side, and the limiting column is movably arranged in the limiting groove. According to the welding device, the workpiece can be fixed easily, the direction of the workpiece can be adjusted, then a worker can weld the bent position of the workpiece conveniently, and therefore the overall practicability of the welding device can be improved easily.

Description

Technical Field

[0001] The utility model relates to the technical field of seat processing, in particular to a main frame welding device. Background Art

[0002] The main frame of the seat is the main supporting structure of the seat. Its design and welding quality directly affect the comfort, stability and safety of the seat. The main frame of the seat is generally made of metal materials (such as steel and aluminum) and has a complex structure, which requires special welding equipment for processing.

[0003] According to the Chinese patent publication number: CN219703981U, a car seat processing frame welding device includes a device body, a fixing plate is arranged near the top of the device body, a first screw is threadedly connected to the inside of the fixing plate, one end of the first screw is fixedly connected to a turntable, and the end of the first screw away from the turntable is rotatably connected to an extrusion plate.

[0004] In the above scheme, the workpiece is fixed by the first screw, the second screw, the second motor and the extrusion plate, and then welded, which leads to the following disadvantages: when the welding device is in use, the direction of the workpiece cannot be adjusted, so the bending part of the workpiece cannot be welded, resulting in reduced overall practicality of the welding device. Utility Model Content

[0005] The purpose of the utility model is to provide a main frame welding device to solve the problem that the welding device cannot adjust the direction of the workpiece when in use, thereby failing to weld the bending part of the workpiece, resulting in reduced overall practicality of the welding device.

[0006] In order to achieve the above-mentioned purpose of the utility model, the utility model adopts the following technical scheme: a main skeleton welding device, comprising two support plates, the two support plates are respectively fixed on the top surface of the base, the inner sides of the two support plates are respectively fixed with a first hydraulic push rod, one end of the two first hydraulic push rod telescopic rods are respectively fixed with a movable plate, and the top of the two movable plates are respectively movably provided with a connecting plate, the top surface of the right connecting plate is fixed with a driving motor, and the top surface of the left connecting plate is fixed with a connecting column, the top end of the connecting column and the output end of the driving motor are respectively fixed with a U-shaped frame, the top surfaces of the two U-shaped frames are respectively provided with threaded holes, the two threaded holes are respectively threadedly connected with bolts, one end of the two bolts are respectively fixed with an extrusion plate, the top surface of the right connecting plate is provided with a limiting groove, and the bottom surface of the right U-shaped frame is fixed with a limiting column, and the limiting column is movably arranged in the limiting groove.

[0007] Preferably, two slide grooves are provided on the top surface of the base, and sliders are respectively fixed on the bottom surfaces of the two movable plates, and the two sliders are respectively slidably arranged in the two slide grooves.

[0008] Preferably, anti-slip pads are respectively fixed to the bottom surfaces of the two extrusion plates.

[0009] Preferably, second hydraulic push rods are respectively fixed to the top surfaces of the two movable plates, and one end of the telescopic rods of the two second hydraulic push rods are respectively fixedly connected to the bottom surfaces of the two connecting plates.

[0010] Preferably, a mounting groove is formed on the top surface of the base, and a storage box is fixed to the inner wall of the mounting groove.

[0011] Preferably, two movable grooves are respectively provided on the top surfaces of the two movable plates, and movable columns are slidably inserted into the two movable grooves, and the top ends of the two movable columns are respectively fixedly connected to the bottom surface of the connecting plate.

[0012] Compared with the prior art, a main frame welding device using the above technical solution has the following beneficial effects:

[0013] 1. During use, it is convenient to fix the workpiece and adjust the direction of the workpiece, so that it is convenient for the staff to weld the bending part of the workpiece, thereby improving the overall practicality of the welding device;

[0014] Second, during use, the sliding groove and the slider can help limit the moving plate, prevent the moving plate from deflecting, and improve the stability of the moving plate during movement. The anti-skid pad can help increase the anti-skid property when the extrusion plate is extruding and fixing the main frame, thereby improving the stability of the main frame when it is fixed;

[0015] 3. During use, the second hydraulic push rod is used to adjust the height of the connecting plate and the U-shaped frame, so as to match the main frames of different sizes and facilitate welding. The installation slot and storage box are used to facilitate the staff to store the tools in the storage box, which is convenient for taking them out when using them, which is conducive to improving convenience. The movable slot and movable column are used to limit the connection plate to prevent the connection plate from shifting, so as to improve the stability of the connection plate during the lifting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of an embodiment.

[0017] Figure 2 It is an exploded schematic diagram of an embodiment.

[0018] Figure 3 It is a schematic diagram of the explosion of the connecting plate and the U-shaped frame in the embodiment.

[0019] Figure 4 For example Figure 2 Enlarged schematic diagram at point A in the middle.

[0020] In the figure: 1. support plate; 2. base; 3. first hydraulic push rod; 4. movable plate; 5. connecting plate; 6. driving motor; 7. connecting column; 8. U-shaped frame; 9. threaded hole; 10. bolt; 11. extrusion plate; 12. limit groove; 13. limit column; 14. slide groove; 15. slider; 16. anti-slip pad; 17. second hydraulic push rod; 18. installation groove; 19. storage box; 20. movable groove; 21. movable column. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0022] like Figure 1-Figure 4 As shown, a main skeleton welding device comprises two support plates 1, which are respectively fixed on the top surface of a base 2, first hydraulic push rods 3 are respectively fixed on the inner sides of the two support plates 1, movable plates 4 are respectively fixed on one end of the telescopic rods of the two first hydraulic push rods 3, connecting plates 5 are respectively movably arranged above the two movable plates 4, a driving motor 6 is fixed on the top surface of the right connecting plate 5, a connecting column 7 is fixed on the top surface of the left connecting plate 5, U-shaped frames 8 are respectively fixed on the top end of the connecting column 7 and the output end of the driving motor 6, threaded holes 9 are respectively opened on the top surfaces of the two U-shaped frames 8, bolts 10 are respectively threadedly connected to the two threaded holes 9, extrusion plates 11 are respectively fixed on one end of the two bolts 10, a limiting groove 12 is opened on the top surface of the right connecting plate 5, and a limiting column 13 is fixed on the bottom surface of the right U-shaped frame 8, and the limiting column 13 is movably arranged in the limiting groove 12.

[0023] During use, the staff first places the main frame of the seat inside the U-shaped frame 8, then rotates the bolt 10 to move the extrusion plate 11 downward to press and fix the workpiece. When the bend of the workpiece needs to be welded, the drive motor 6 is started to rotate the right U-shaped frame 8 and the workpiece inside it. At this time, the rotation direction of the right U-shaped frame 8 can be limited by the limit column 13 and the limit groove 12. After the adjustment is completed, the welding parts of the two workpieces can correspond to each other, and then the two first hydraulic push rods 3 are started to make the two U-shaped frames 8 and the workpieces inside them close to each other, and then the welding process is carried out. It is conducive to fixing the workpiece and can adjust the direction of the workpiece, so as to facilitate the staff to weld the bend of the workpiece, thereby improving the overall practicality of the welding device.

[0024] like Figure 1 , Figure 2 and Figure 4As shown, two slide grooves 14 are provided on the top surface of the base 2 , and sliders 15 are fixed to the bottom surfaces of the two movable plates 4 , respectively. The two sliders 15 are slidably disposed in the two slide grooves 14 .

[0025] During use, the sliding groove 14 and the slider 15 are used to limit the movable plate 4, thereby preventing the movable plate 4 from deflecting and improving the stability of the movable plate 4 during movement.

[0026] like Figure 1-Figure 4 As shown, anti-skid pads 16 are fixed to the bottom surfaces of the two extrusion plates 11 , and second hydraulic push rods 17 are fixed to the top surfaces of the two movable plates 4 . One end of the telescopic rods of the two second hydraulic push rods 17 is fixedly connected to the bottom surfaces of the two connecting plates 5 .

[0027] In use, the anti-skid pad 16 is used to increase the anti-skid property of the extrusion plate 11 when the main frame is extruded and fixed, thereby improving the stability of the main frame when it is fixed. The second hydraulic push rod 17 is used to adjust the height of the connecting plate 5 and the U-shaped frame 8, thereby facilitating matching of main frames of different sizes and facilitating welding.

[0028] like Figure 1-Figure 4 As shown, a mounting groove 18 is provided on the top surface of the base 2, a storage box 19 is fixed to the inner wall of the mounting groove 18, two movable grooves 20 are respectively provided on the top surfaces of the two movable plates 4, movable columns 21 are slidably inserted into the interior of the two movable grooves 20, and the top ends of the two movable columns 21 are respectively fixedly connected to the bottom surface of the connecting plate 5.

[0029] During use, the installation slot 18 and the storage box 19 facilitate the worker to store the tool in the storage box 19, so that the tool can be taken out when in use, thereby improving convenience. The movable slot 20 and the movable column 21 facilitate the connection plate 5 to be limited, thereby preventing the connection plate 5 from shifting, thereby improving the stability of the connection plate 5 during the lifting process.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A main frame welding device, comprising two support plates (1), wherein the two support plates (1) are respectively fixed on the top surface of a base (2), characterized in that: A first hydraulic push rod (3) is fixed to the inner side of the two support plates (1), a movable plate (4) is fixed to one end of the telescopic rods of the two first hydraulic push rods (3), a connecting plate (5) is movably arranged above the two movable plates (4), a driving motor (6) is fixed to the top surface of the right connecting plate (5), a connecting column (7) is fixed to the top surface of the left connecting plate (5), a U-shaped frame (8) is fixed to the top of the connecting column (7) and the output end of the driving motor (6), threaded holes (9) are respectively provided on the top surfaces of the two U-shaped frames (8), bolts (10) are respectively threadedly connected to the two threaded holes (9), and an extrusion plate (11) is fixed to one end of the two bolts (10), a limiting groove (12) is provided on the top surface of the right connecting plate (5), and a limiting column (13) is fixed to the bottom surface of the right U-shaped frame (8), and the limiting column (13) is movably arranged in the limiting groove (12).

2. A main frame welding device according to claim 1, characterized in that: The top surface of the base (2) is provided with two slide grooves (14), and the bottom surfaces of the two movable plates (4) are respectively fixed with sliders (15), and the two sliders (15) are respectively slidably arranged in the two slide grooves (14).

3. A main frame welding device according to claim 2, characterized in that: Anti-slip pads (16) are respectively fixed to the bottom surfaces of the two extrusion plates (11).

4. A main frame welding device according to claim 3, characterized in that: A second hydraulic push rod (17) is fixed to the top surface of the two movable plates (4), and one end of the telescopic rod of the two second hydraulic push rods (17) is fixedly connected to the bottom surface of the two connecting plates (5).

5. A main frame welding device according to claim 1, characterized in that: The top surface of the base (2) is provided with a mounting groove (18), and a storage box (19) is fixed to the inner wall of the mounting groove (18).

6. A main frame welding device according to claim 1, characterized in that: Two movable grooves (20) are respectively provided on the top surfaces of the two movable plates (4), and movable columns (21) are slidably inserted into the interiors of the two movable grooves (20), and the top ends of the two movable columns (21) are respectively fixedly connected to the bottom surface of the connecting plate (5).

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