Frame overturning and welding platform

Abstract

The invention discloses a vehicle frame overturning and welding platform, and relates to the technical field of welding equipment. Comprising a platform base; the adjusting groove is formed in the platform base, and the top surface of the adjusting groove is open; the turntable assembly is arranged in the adjusting groove; the overturning frame assembly is movably arranged on the rotating disc assembly. The rotating disc assembly comprises a rotating shaft horizontally and rotatably arranged in an opening of the adjusting groove, the rotating shaft is sleeved with a rotating disc, and a driving gear set connected with the rotating shaft is arranged on the outer wall of the platform base. The overturning frame assembly comprises a fixed frame arranged on the top face of the rotary disc, a first movable frame and a second movable frame are movably arranged on the two opposite side walls of the fixed frame respectively, two stand columns are hinged to the first movable frame and the second movable frame at intervals, and the two stand columns on the second movable frame correspond to the two stand columns on the first movable frame in position. A hooking groove is formed in the stand column, and a hook is arranged in the hooking groove. The welding device has the advantages that the position of the frame can be adjusted through rotation, and the welding efficiency and quality are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of welding equipment, and particularly relates to a frame flipping welding platform. Background Art

[0002] During the manufacturing process of the frame of a tricycle, since the frame is composed of a main beam and a secondary beam welded together, it is necessary for workers to manually weld each connection point of the frame. However, due to the limitations of the existing welding platform, after the frame is placed on the welding platform during welding, it is not convenient to flip, so there are prone to welding dead angles, resulting in inconvenient welding operations or unqualified welding quality, ultimately affecting the welding efficiency and the quality of the frame. Summary of the Invention

[0003] Aiming at the above-mentioned existing technical deficiencies, the purpose of the present invention is to provide a frame flipping welding platform, which has the advantages of being able to adjust the position of the frame by rotation, improving the welding efficiency and quality, etc.

[0004] To solve the above technical problems, the present invention adopts the following technical solutions: The present invention provides a frame flipping welding platform, including: A platform base; An adjustment groove, which is arranged on the platform base, and the top surface of the adjustment groove is open; A turntable assembly, which is arranged in the adjustment groove; A flipping frame assembly, which is movably arranged on the turntable assembly; Among them, the turntable assembly includes a rotating shaft horizontally rotatably arranged in the opening of the adjustment groove, a turntable is sleeved outside the rotating shaft, and a driving gear set connected to the rotating shaft is arranged on the outer wall of the platform base; The flipping frame assembly includes a fixed frame arranged on the top surface of the turntable. On two opposite side walls of the fixed frame, a movable frame one and a movable frame two are respectively movably arranged. On both the movable frame one and the movable frame two, two columns are hinged at intervals, and the positions of the two columns on the movable frame two correspond to those of the two columns on the movable frame one. Hook grooves are arranged on the columns, and hooks are arranged in the hook grooves.

[0005] Preferably, the driving gear set includes: A driving motor, which is arranged on the outer wall of the platform base; A driving gear, which is coaxially arranged on the output shaft of the driving motor; A driven gear, the rotating shaft movably penetrates through the adjustment groove to the outside of the outer wall of the platform base, the driven gear is fixedly sleeved outside the rotating shaft, and the driven gear meshes with the driving gear. The driving motor drives the driving gear and the driven gear to rotate, so as to drive the rotating shaft and the turntable to rotate, thereby realizing the rotation adjustment of the position of the frame placed on the turntable according to different welding parts.

[0006] Preferably, the height of the adjustment groove is greater than the outer diameter of the turntable, facilitating the turning and position adjustment of the turntable.

[0007] Preferably, both the first movable frame and the second movable frame are U-shaped structures. On two opposite side walls of the fixed frame, two slots are provided respectively. The distance between the two slots on the same side wall of the fixed frame is the same as the distance of the U-shaped opening of the first movable frame. The U-shaped openings of the first movable frame and the second movable frame are respectively movably inserted into the slots at corresponding positions, facilitating the adjustment of the distance between the first movable frame and the second movable frame on the fixed frame so as to be applicable to vehicle frames of different lengths.

[0008] Preferably, the two columns on the first movable frame and the two columns on the second movable frame are all hinged at the end far from the fixed frame, facilitating the rotation of the two columns on the first movable frame and the two columns on the second movable frame for position adjustment, thereby realizing the position adjustment or turning of the vehicle frame hooked on the hook.

[0009] Preferably, the hook includes: A rotating rod, which is rotatably arranged in the hook groove; An arc-shaped hook, one end of the arc-shaped opening of the arc-shaped hook is arranged on the outer peripheral wall of the rotating rod; An arc-shaped auxiliary hook, which is hinged on the outer peripheral wall of the rotating rod through a rotating shaft one with a torsion spring, and the arc-shaped opening of the arc-shaped auxiliary hook corresponds to the arc-shaped opening of the arc-shaped hook up and down. The arc-shaped hook can be hooked on the vehicle frame, and the arc-shaped auxiliary hook can abut against the vehicle frame under the action of the rotating shaft one with a torsion spring, which is beneficial to preventing or avoiding the separation between the arc-shaped hook and the vehicle frame and improving safety.

[0010] Preferably, one end of the arc-shaped auxiliary hook far from the rotating rod is hinged with a first anti-disengagement hook through a rotating shaft two with a torsion spring. The outer peripheral wall of the first anti-disengagement hook far from the rotating rod is hinged with a second anti-disengagement hook through a rotating shaft three with a torsion spring. The distance from one end of the second anti-disengagement hook far from the first anti-disengagement hook to the other end of the arc-shaped opening of the arc-shaped hook is less than the distance from the first anti-disengagement hook to the other end of the arc-shaped opening of the arc-shaped hook. After the arc-shaped hook is hooked on the vehicle frame, the first anti-disengagement hook and the second anti-disengagement hook can improve the hooking stability of the arc-shaped hook, making it not easy for the arc-shaped hook to separate from the vehicle frame.

[0011] Preferably, a plurality of turning motors corresponding to the columns one by one are arranged on the first movable frame and the second movable frame. The columns are fixedly arranged on the output shafts of the turning motors, and the hook groove is arranged at the end of the column far from the turning motor. The turning motors can drive the four columns to turn for position adjustment, thereby enabling the position adjustment or turning of the vehicle frame hooked on the hook.

[0012] Preferably, a plurality of connecting bolts are arranged through the fixed frame. The connecting bolts movably penetrate through the fixed frame and are threadedly connected with the top surface of the turntable, facilitating the disassembly of the fixed frame on the turntable.

[0013] Preferably, locking rod grooves are further provided at two opposite ends of the top surface of the platform base, and a locking rod assembly is movably arranged in the locking rod grooves. The locking rod assembly includes: A locking bolt, which is threadedly connected to the bottom surface in the locking rod groove; A groove block; A compression spring. The groove block and the compression spring are sequentially arranged in the locking rod groove from top to bottom, and the locking bolt sequentially penetrates through the groove block and the compression spring; A spring rod, which is movably embedded in the side wall of the groove block close to the adjustment groove; There are two rod grooves, and the two rod grooves are respectively arranged on the other two opposite side walls of the fixed frame. The positions of the rod grooves correspond to the positions of the spring rods one by one. The spring rods can be inserted into the rod grooves at the corresponding positions on the fixed frame, which is beneficial to improving the stability of the fixed frame on the turntable.

[0014] The beneficial effects of the present invention are as follows: 1. When welding the vehicle frame, it can be hooked and lifted through the flipping frame assembly as needed, improving the convenience of welding operations; at the same time, the hook hooks on the two columns of the movable frame one can be hooked at the corresponding positions on the vehicle frame close to the end of the movable frame two; then rotate the two columns on the movable frame two away from the fixed frame, and at the same time rotate the two columns on the movable frame one away from the fixed frame, and the vehicle frame placed on the fixed frame can be flipped 180 degrees.

[0015] 2. According to the needs of different vehicle frame lengths, the distance between the movable frame one and the movable frame two can be adjusted on the fixed frame, which can be applied to a variety of vehicle frames with different lengths for suspension, thus improving the diversity of use; at the same time, it reduces the welding dead angle, improves the welding efficiency and the quality of the vehicle frame after welding. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a schematic structural diagram of a vehicle frame flipping welding platform provided by an embodiment of the present invention.

[0018] Figure 2 For Figure 1 The enlarged schematic diagram of the structure at A in

[0019] Figure 3 It is a schematic diagram of the position of the turntable assembly of a vehicle frame flipping welding platform provided by an embodiment of the present invention.

[0020] Figure 4 Schematic structural diagram of the turning frame assembly of a vehicle frame turning welding platform provided by an embodiment of the present invention.

[0021] Figure 5 Schematic structural diagram of the turntable assembly of a vehicle frame turning welding platform provided by an embodiment of the present invention.

[0022] Figure 6 Schematic structural diagram of the vehicle frame turning welding platform provided by an embodiment of the present invention after the column rotates towards the fixed frame.

[0023] Figure 7 Schematic structural diagram of the hook of a vehicle frame turning welding platform provided by an embodiment of the present invention.

[0024] Figure 8 Schematic structural diagram of the locking rod assembly of a vehicle frame turning welding platform provided by an embodiment of the present invention.

[0025] Explanation of reference numerals: 1, platform base; 2, adjustment groove; 3, turntable assembly; 31, rotating shaft; 32, turntable; 33, drive gear set; 331, drive motor; 332, driving gear; 333, driven gear; 4, turning frame assembly; 41, fixed frame; 411, slot; 42, movable frame 1; 43, movable frame 2; 44, column; 45, hook groove; 46, hook; 461, rotating rod; 462, arc-shaped hook; 463, arc-shaped auxiliary hook; 464, rotating shaft 1 with torsion spring; 465, rotating shaft 2 with torsion spring; 466, anti-disengagement hook 1; 467, rotating shaft 3 with torsion spring; 468, anti-disengagement hook 2; 47, turning motor; 5, connecting bolt; 6, locking rod groove; 7, locking rod assembly; 71, locking bolt; 72, groove block; 73, compression spring; 74, spring rod; 75, rod groove. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] Embodiment 1 As Figures 1 to 6As shown in the figure, the present invention provides a frame flipping and welding platform, which includes a platform base 1; an adjustment groove 2 is arranged on the platform base 1, and the top surface of the adjustment groove 2 is open; a turntable assembly 3 is arranged in the adjustment groove 2; a flipping frame assembly 4 is movably arranged on the turntable assembly 3; the turntable assembly 3 includes a rotating shaft 31 horizontally rotatably arranged in the opening of the adjustment groove 2, a turntable 32 is sleeved outside the rotating shaft 31, and a driving gear set 33 connected to the rotating shaft 31 is arranged on the outer wall of the platform base 1; the flipping frame assembly 4 includes a fixed frame 41 arranged on the top surface of the turntable 32, movable frames 42 and 43 are respectively movably arranged on two opposite side walls of the fixed frame 41, two columns 44 are respectively hinged at intervals on the movable frames 42 and 43, and the positions of the two columns 44 on the movable frame 43 correspond to those of the two columns 44 on the movable frame 42, a hook groove 45 is arranged on the column 44, and a hook 46 is arranged in the hook groove 45.

[0028] First, according to the usage requirements, it can be selected whether to install the fixed frame 41 on the turntable 32. When the fixed frame 41 is not needed, the frame can be fixed on the turntable 32, and the driving gear set 33 can drive the rotating shaft 31 and the turntable 32 to rotate simultaneously (at this time, the turntable 32 flips in the adjustment groove 2), so as to realize the flipping of the frame fixed on the turntable 32, which is convenient for welding operations.

[0029] When it is necessary to fix the vehicle frame on the fixing rack 41, the distance between the first movable rack 42 and the second movable rack 43 can be adjusted on the fixing rack 41 according to the length of the vehicle frame, that is, move the first movable rack 42 and the second movable rack 43 towards or away from the fixing rack 41 (bolts corresponding to the first movable rack 42 and the second movable rack 43 are provided on the fixing rack 41, and multiple bolt holes are provided on the first movable rack 42 and the second movable rack 43. After the positions of the first movable rack 42 and the second movable rack 43 are adjusted, they can be connected to the fixing rack 41 through threaded connection of bolts in the bolt holes at the corresponding positions, so as to improve the connection stability); after placing the vehicle frame on the fixing rack 41, use the hook 46 to hook at the corresponding position of the vehicle frame, and the vehicle frame can be lifted under the action of the hook 46. At this time, welding operations can be carried out (the welding machine can be set at a position adapted to the outside of the platform base 1 according to needs. The welding machine is a prior art, so it will not be described in detail here and is not shown in the drawings either); when it is necessary to turn the vehicle frame placed on the fixing rack 41 by 180 degrees in the vertical direction, the two columns 44 on the second movable rack 43 can be rotated towards the fixing rack 41, and use the hooks 46 on the two columns 44 in the second movable rack 43 to hook at the corresponding positions of the vehicle frame near the first movable rack 42 end; rotate the two columns 44 on the first movable rack 42 towards the fixing rack 41, and use the hooks 46 on the two columns 44 in the first movable rack 42 to hook at the corresponding positions of the vehicle frame near the second movable rack 43 end; then rotate the two columns 44 on the second movable rack 43 away from the fixing rack 41 and at the same time rotate the two columns 44 on the first movable rack 42 away from the fixing rack 41, and the vehicle frame placed on the fixing rack 41 can be turned 180 degrees.

[0030] Embodiment 2 On the basis of Embodiment 1, as Figures 1 to 3 、 Figure 5As shown in the figure, the driving gear set 33 includes a driving motor 331 which is arranged on the outer wall of the platform base 1; a driving gear 332 is coaxially arranged on the output shaft of the driving motor 331; a rotating shaft 31 movably penetrates through the adjusting groove 2 to the outside of the outer wall of the platform base 1, a driven gear 333 is fixedly sleeved on the outside of the rotating shaft 31, and the driven gear 333 meshes with the driving gear 332; when it is necessary to turn the vehicle frame placed on the turntable 32 (a plurality of pneumatic clamping cylinders adapted to the shape and size of the vehicle frame can be arranged on the turntable 32 to clamp and fix the vehicle frame. The pneumatic clamping cylinder is a prior art and will not be described in detail here); start the driving motor 331 to drive the driving gear 332 and the driven gear 333 to rotate, so as to drive the rotating shaft 31 and the turntable 32 to rotate, and further, the vehicle frame placed on the turntable 32 can be rotated and adjusted in position in the adjusting groove 2 according to different welding parts (the turntable 32 can rotate around the rotating shaft 31); the height of the adjusting groove 2 is greater than the outer diameter of the turntable 32, which is convenient for the turntable 32 to be turned and adjusted in position in the adjusting groove 2, so that there is no interference between the turntable 32 and the inner wall of the adjusting groove 2 when the turntable 32 rotates.

[0031] When the length and width dimensions of the fixing frame 41 are both smaller than the diameter of the turntable 32, after the fixing frame 41 is installed on the turntable 32, the turntable 32 can also drive the fixing frame 41 to turn when it turns, which is convenient to meet various welding requirements of the vehicle frame and improves the applicability.

[0032] Embodiment III On the basis of Embodiment I, as Figure 1 、 Figure 4 、 Figures 6 to 7As shown in the figure, both the movable frame 1 (42) and the movable frame 2 (43) are U-shaped structures. On each of the two opposite side walls of the fixed frame 41, two slots 411 are provided. The distance between the two slots 411 on the same side wall of the fixed frame 41 is the same as the distance of the U-shaped opening of the movable frame 1 (42). The U-shaped openings of the movable frame 1 (42) and the movable frame 2 (43) are respectively inserted into the slots 411 at corresponding positions; the two columns 44 on the movable frame 1 (42) and the two columns 44 on the movable frame 2 (43) are all hinged at one end far from the fixed frame 41; the hook 46 includes a rotating rod 461, and the rotating rod 461 is rotatably arranged in the hook groove 45; one end of the arc-shaped opening of the arc-shaped hook 462 is arranged on the outer peripheral wall of the rotating rod 461; the arc-shaped auxiliary hook 463 is hinged on the outer peripheral wall of the rotating rod 461 through a rotating shaft 1 (464) with a torsion spring, and the arc-shaped opening of the arc-shaped auxiliary hook 463 corresponds to the arc-shaped opening of the arc-shaped hook 462 up and down; one end of the arc-shaped auxiliary hook 463 far from the rotating rod 461 is hinged with an anti-disengagement hook 1 (466) through a rotating shaft 2 (465) with a torsion spring, and an anti-disengagement hook 2 (468) is hinged on the outer peripheral wall of the anti-disengagement hook 1 (466) far from the rotating rod 461 through a rotating shaft 3 (467) with a torsion spring. The distance from one end of the anti-disengagement hook 2 (468) far from the anti-disengagement hook 1 (466) to the other end of the arc-shaped opening of the arc-shaped hook 462 is less than the distance from the anti-disengagement hook 1 (466) to the other end of the arc-shaped opening of the arc-shaped hook 462.

[0033] When the lengths of the vehicle frames are different, the distance between the movable frame 1 (42) and the movable frame 2 (43) can be adjusted on the two opposite side walls of the fixed frame 41 (that is, move the movable frame 1 (42) and the movable frame 2 (43) closer to or farther from the fixed frame 41); at the same time, the two columns 44 on the movable frame 1 (42) or the two columns 44 on the movable frame 2 (43) can be rotated, so as to adjust the height between the vehicle frame hooked on the hook 46 and the fixed frame 41, which is convenient for height adjustment according to different welding requirements, and thus improves the operation convenience.

[0034] When only the vehicle frame needs to be hooked and lifted, the arc-shaped hook 462 can be hooked on the corresponding position of the vehicle frame. Under the action of the torsion spring of the rotating shaft 1 (464), the arc-shaped auxiliary hook 463 can be in contact with the vehicle frame (at the same time, under the action of the torsion spring of the rotating shaft 2 (465), the anti-disengagement hook 1 (466) can be in contact with the vehicle frame, and under the action of the torsion spring of the rotating shaft 3 (467), the anti-disengagement hook 2 (468) can be in contact with the corresponding position of the vehicle frame; rubber pads can be provided at the positions where the anti-disengagement hook 1 (466) and the anti-disengagement hook 2 (468) are in contact with the vehicle frame to buffer the collision force with the vehicle frame), which is beneficial to preventing or avoiding the separation between the arc-shaped hook 462 and the vehicle frame, improving safety and at the same time reducing the shaking friction between the vehicle frame and the arc-shaped hook 462 after being lifted; according to the convenience of welding operation as needed, by rotating the two columns 44 on the movable frame 1 (42) or the two columns 44 on the movable frame 2 (43), the distance between the vehicle frame and the fixed frame 41 can be adjusted.

[0035] A plurality of turnover motors 47 corresponding one by one to the vertical columns 44 are provided on the movable frame one 42 and the movable frame two 43. The vertical columns 44 are fixedly arranged on the output shafts of the turnover motors 47, and the hook grooves 45 are arranged at the ends of the vertical columns 44 far from the turnover motors 47. When it is necessary to adjust the height of the frame suspension, the turnover motors 47 can be started to drive the four vertical columns 44 to rotate towards or away from the fixed frame 41, so that the position of the frame on the hook 46 can be adjusted, thereby improving the convenience of welding operation.

[0036] Embodiment Four On the basis of Embodiment One, as Figure 1 、 Figures 3 to 4 shown, a plurality of connecting bolts 5 are arranged through the fixed frame 41, and the connecting bolts 5 are movably passed through the fixed frame 41 and are threadedly connected between the top surface of the turntable 32; when the fixed frame 41 is not needed, the connecting bolts 5 can be removed, so that the fixed frame 41 and the turntable 32 can be separated. After removing the fixed frame 41, the frame can be directly placed on the top surface of the turntable 32 for welding operation.

[0037] Embodiment Five On the basis of Embodiment One, as Figure 1 、 Figures 3 to 4 、 Figure 8 shown, locking rod grooves 6 are further arranged at two opposite ends of the top surface of the platform seat 1. A locking rod assembly 7 is movably arranged in the locking rod grooves 6. The locking rod assembly 7 includes a locking bolt 71, and the locking bolt 71 is threadedly connected to the bottom surface in the locking rod grooves 6; a groove block 72 and a compression spring 73 are arranged in the locking rod grooves 6 from top to bottom in sequence. The locking bolt 71 sequentially passes through the groove block 72 and the compression spring 73; a spring rod 74 is movably embedded in the side wall of the groove block 72 close to the adjustment groove 2; there are two rod grooves 75, and the two rod grooves 75 are respectively arranged on the other two opposite side walls of the fixed frame 41, and the positions of the rod grooves 75 correspond to the positions of the spring rods 74 one by one; after the fixed frame 41 is connected to the top surface of the turntable 32 through the connecting bolts 5, in order to improve the fixing effect of the fixed frame 41, the locking bolt 71 can be rotated, and then the groove block 72 and the compression spring 73 can be driven to move away from the bottom surface in the locking rod grooves 6, so that the groove block 72 and the outside of the top surface opening of the locking rod grooves 6 can be made; at this time, the spring rod 74 can pop out from the side wall of the groove block 72 close to the adjustment groove 2 into the rod grooves 75 at the corresponding positions on the side wall of the fixed frame 41, so as to improve the fixing effect of the fixed frame 41.

[0038] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention is also intended to include these changes and modifications.

Claims

1. A frame flipping and welding platform, characterized in that, Comprising: Platform base (1); Adjustment groove (2), the adjustment groove (2) is arranged on the platform base (1), and the top surface of the adjustment groove (2) is open; Rotary table assembly (3), the rotary table assembly (3) is arranged in the adjustment groove (2); Flipping frame assembly (4), the flipping frame assembly (4) is movably arranged on the rotary table assembly (3); Among them, the rotary table assembly (3) includes a rotating shaft (31) horizontally rotatably arranged in the opening of the adjustment groove (2), a rotary table (32) is sleeved outside the rotating shaft (31), and a driving gear set (33) connected to the rotating shaft (31) is arranged on the outer wall of the platform base (1); The flipping frame assembly (4) includes a fixed frame (41) arranged on the top surface of the rotary table (32). On two opposite side walls of the fixed frame (41), a first movable frame (42) and a second movable frame (43) are respectively movably arranged. Two upright columns (44) are respectively and spacedly hinged on the first movable frame (42) and the second movable frame (43), and the positions of the two upright columns (44) on the second movable frame (43) correspond to those of the two upright columns (44) on the first movable frame (42). A hook groove (45) is arranged on the upright column (44), and a hook (46) is arranged in the hook groove (45).

2. The frame turnover welding platform according to claim 1, characterized in that, The driving gear set (33) includes: Driving motor (331), the driving motor (331) is arranged on the outer wall of the platform base (1); Driving gear (332), the driving gear (332) is coaxially arranged on the output shaft of the driving motor (331); Driven gear (333), the rotating shaft (31) movably penetrates through the adjustment groove (2) to the outside of the outer wall of the platform base (1), the driven gear (333) is fixedly sleeved outside the rotating shaft (31), and the driven gear (333) meshes with the driving gear (332).

3. A frame flipping and welding platform according to claim 1, characterized in that, The height of the adjustment groove (2) is greater than the outer diameter of the rotary table (32).

4. A frame flipping and welding platform according to claim 1, characterized in that, Both the first movable frame (42) and the second movable frame (43) are U-shaped structures. Two insertion slots (411) are arranged on two opposite side walls of the fixed frame (41). The distance between the two insertion slots (411) on the same side wall of the fixed frame (41) is the same as the U-shaped opening distance of the first movable frame (42). The U-shaped openings of the first movable frame (42) and the second movable frame (43) are respectively movably inserted into the insertion slots (411) at corresponding positions.

5. The frame turnover welding platform according to claim 1, characterized in that, The two upright columns (44) on the first movable frame (42) and the two upright columns (44) on the second movable frame (43) are all hinged at the end far from the fixed frame (41).

6. The frame turnover welding platform according to claim 1, characterized in that, The hook (46) includes: Rotating rod (461), the rotating rod (461) is rotatably arranged in the hook groove (45); Arc-shaped hook (462), one end with an arc-shaped opening of the arc-shaped hook (462) is arranged on the outer peripheral wall of the rotating rod (461); Arc-shaped auxiliary hook (463), the arc-shaped auxiliary hook (463) is hinged on the outer peripheral wall of the rotating rod (461) through a rotating shaft one (464) with a torsion spring, and the arc-shaped opening of the arc-shaped auxiliary hook (463) corresponds to the arc-shaped opening of the arc-shaped hook (462) up and down.

7. The frame turnover welding platform according to claim 6, characterized in that, One end of the arc-shaped auxiliary hook (463) away from the rotating rod (461) is hinged with a first anti-disengagement hook (466) through a second rotating shaft (465) with a torsion spring. A third anti-disengagement hook (467) with a torsion spring is hinged on the outer peripheral wall of the first anti-disengagement hook (466) away from the rotating rod (461). The distance from one end of the third anti-disengagement hook (468) away from the first anti-disengagement hook (466) to the other end of the arc-shaped opening of the arc-shaped hook (462) is less than the distance from the first anti-disengagement hook (466) to the other end of the arc-shaped opening of the arc-shaped hook (462).

8. The frame turnover welding platform according to claim 1, characterized in that, A plurality of flipping motors (47) corresponding one by one to the columns (44) are arranged on the first movable frame (42) and the second movable frame (43). The columns (44) are fixedly arranged on the output shafts of the flipping motors (47), and the hook slot (45) is arranged at the end of the column (44) away from the flipping motor (47).

9. The frame turnover welding platform according to claim 1, wherein A plurality of connecting bolts (5) are arranged through the fixed frame (41). The connecting bolts (5) movably penetrate through the fixed frame (41) and are threadedly connected between the top surface of the turntable (32).

10. A frame flipping and welding platform according to claim 1, characterized in that, Locking rod grooves (6) are further arranged at two opposite ends of the top surface of the platform seat (1). A locking rod assembly (7) is movably arranged in the locking rod grooves (6). The locking rod assembly (7) includes: A locking bolt (71) threadedly connected to the bottom surface in the locking rod groove (6); A groove block (72); A compression spring (73). The groove block (72) and the compression spring (73) are sequentially arranged in the locking rod groove (6) from top to bottom. The locking bolt (71) sequentially penetrates through the groove block (72) and the compression spring (73); A spring rod (74) movably embedded in the side wall of the groove block (72) close to the adjustment groove (2); Rod grooves (75). There are two rod grooves (75), and the two rod grooves (75) are respectively arranged on the other two opposite side walls of the fixed frame (41). The positions of the rod grooves (75) correspond to the positions of the spring rods (74) one by one.

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