Mobile car front floor welding processing table

Abstract

The present invention is a mobile automobile front floor welding processing table, including a mobile welding base, a workpiece holding structure, and a connection air source seat. The workpiece holding structure includes a central clamp group structure arranged at the center position of the upper part of the mobile welding base, a left side clamp structure, and a right side clamp structure. The central clamp group structure includes a group of relatively arranged left central clamping assemblies and a group of relatively arranged right central clamping assemblies arranged on the mobile welding base. The overall structure has the characteristics of simple structure, convenient use, flexible loading and unloading, space saving, and improved processing efficiency. The locking is firm to ensure that the workpiece is fixed and firmly welded. The use of the quick installation and replacement mechanism of the clamp ensures that the clamp is firmly connected and accurately positioned during assembly, further ensuring the improvement of welding accuracy. It is convenient and quick during disassembly, and further improves work efficiency. Improve processing quality and affect the progress and quality of subsequent processes.

Description

Technical Field

[0001] The invention relates to an automobile component clamp structure, in particular to a movable automobile front floor welding processing table. Background Art

[0002] During the assembly and welding process of the front floor panel of the car, it is often necessary to weld, assemble and inspect the workpiece at multiple angles. However, since the sheet metal parts of the car floor panel are large and heavy, it is particularly difficult to conduct circumferential inspection. In the industrial implementation, the existing welding fixtures for car models need to set up multiple sets of fixtures according to different body structures and different body models. In use, they are restricted by the processing workshop space and processing stations, which leads to problems with the use of clamping space and stable assembly. Summary of the invention

[0003] The purpose of the present invention is to provide a mobile automobile front floor welding processing table with the advantages of simple and convenient operation and stable and reliable structure and equipment; to solve the above problems, facilitate the operation of tooling, and improve the quality and efficiency of parts processing.

[0004] The technical solution adopted by the present invention to solve its technical problems is: a mobile automobile front floor welding processing table, including a mobile welding base, a workpiece holding structure arranged on the mobile welding base, and a connecting gas source seat for controlling the operation of the workpiece holding structure, characterized in that: the workpiece holding structure includes a central clamp group structure arranged at the center position of the upper part of the mobile welding base, a left side clamp structure arranged on the left side of the upper part of the mobile welding base, and a right side clamp structure arranged on the right side of the upper part of the mobile welding base, the central clamp group structure includes a group of relatively arranged left central clamping assemblies and a group of relatively arranged right central clamping assemblies arranged on the mobile welding base, the left side clamp structure includes a left central clamping clamp assembly arranged on the left side of the mobile welding base and a group of left end clamping clamp structures with the same setting structure arranged outside the left central clamping clamp assembly, and the right side clamp structure includes a right central clamping clamp assembly arranged on the right side of the mobile welding base and a right end clamping clamp structure with the same setting structure arranged at the upper and lower ends of the right central clamping clamp assembly.

[0005] The left center clamping assembly includes a left center outer end clamping platform structure, a left center inner top platform structure, a left center limit platform structure and a left center inner end top clamping platform structure;

[0006] The left center outer end clamping platform structure includes a left center outer end connecting seat, a left center outer end clamping cylinder, a left center outer end clamping platform body, a left center outer end pressure arm and a left center outer end regulating block assembly;

[0007] The left center inner top platform structure includes a left center inner top connecting seat, a left center inner top pin seat arranged outside the left center inner top connection, a left center inner top connecting block arranged on the upper part of the left center inner top pin seat, and a left center inner top positioning pin arranged on the upper part of the left center inner top connecting block;

[0008] The left center limit platform structure includes a left center limit connecting seat, a left center limit connecting block seat arranged on the upper part of the left center limit connecting seat, and a group of left center limit positioning pins arranged on the left center limit connecting block seat;

[0009] The left-side center inner end tightening platform structure includes a left-side center inner end connecting seat, a left-side center inner end connecting platform arranged on the upper part of the left-side center inner end connecting seat, pressure arm docking blocks arranged on both sides of the upper part of the left-side center inner end connecting platform, and a left-side center inner end ejector pin arranged at the center of the upper part of the left-side center inner end connecting platform.

[0010] The right side center clamping assembly includes a right side center outer end clamping platform structure, a right side center inner top platform structure, a right side center limit platform structure and a right side center inner end limit top clamping platform structure;

[0011] The right side center outer end clamping platform structure includes a right side center outer end connecting seat, a right side center outer end clamping cylinder, a right side center outer end clamping platform body, a right side center outer end pressure arm, a right side center outer end pressure block connected to the right side center outer end pressure arm, and a left side center outer end regulation block assembly;

[0012] The right side center inner top platform structure comprises a right side center inner top platform connecting seat, a right side center inner top platform body arranged on the upper part of the right side center inner top platform connecting seat, a right side center inner top pin arranged on the upper part of the right side center inner top platform body, and a right side center inner top limiting fork block arranged on the side end of the upper part of the right side center inner top platform body.

[0013] The right side center limit platform structure comprises a right side center limit platform connecting seat, a right side center limit platform body arranged on the upper part of the right side center limit platform connecting seat, a right side center limit pin assembly arranged on the right side center limit platform body, and a right side center limit lateral limit block assembly arranged on the right side center limit platform body.

[0014] The right side center inner end limiting and tightening platform structure includes a right side center inner end connecting seat, a right side center inner end connecting platform arranged on the upper part of the right side center inner end connecting seat, a pressure arm side limiting block group arranged on both sides of the upper part of the right side center inner end connecting platform, and a right side center inner end ejector pin arranged at the center of the upper part of the right side center inner end connecting platform.

[0015] An extension platform is provided at the end of the movable welding base on the right side of the right center clamping clamp assembly, and a bottom side end clamping assembly is provided on the extension platform. The bottom side end clamping assembly includes a bottom side end clamping connecting seat, a bottom side end clamping platform arranged on the outside of the bottom side end clamping connecting seat, a bottom side end clamping cylinder arranged on the outside of the bottom side end clamping platform, a side end clamping upper clamping block connected to the output end of the side end clamping cylinder, and an inner clamping block arranged between the inner side of the side end clamping upper clamping block and the bottom side end clamping platform.

[0016] A bottom supporting component group structure is arranged on the movable welding bottom platform between the central clamp group structure and the right side clamp structure.

[0017] The bottom supporting component group structure includes a front supporting component structure and a rear supporting component structure;

[0018] The front support structure includes a front support connecting seat, a front support limiting pin arranged at the rear side of the front support connecting seat, a front support pad arranged at the outside of the front support connecting seat, a front support fork arranged at the upper part of the front support connecting seat, and a front support supporting block arranged at the joint end of the front support fork;

[0019] The rear support structure includes a rear support adjustment connection seat, a rear support pneumatic connection seat arranged on the upper part of the rear support adjustment connection seat, a group of rear support wing blocks arranged on the upper part of the rear support pneumatic connection seat, and a rear support pad block arranged at the end of the rear support wing block.

[0020] The left-side center clamping clamp assembly includes a group of relatively arranged left-side center clamp connecting seats, a left-side center clamping platform body arranged on the left-side center clamping platform body, a left-side center side end control clamping cylinder arranged at the outer end of the left-side center clamping platform body, a left-side center side end clamping arm connected to the left-side center side end control clamping cylinder, a left-side center pin ejector arranged on the upper part of the left-side center clamping platform body, and a left-side center pressure plate arranged at the lower part of the end of the left-side center side end clamping arm;

[0021] The left side end clamping clamp structure includes a left side end clamping connecting seat, a left side end clamping cylinder arranged on the outside of the left side end clamping connecting seat, a left side end clamping control seat arranged on the inner side of the left side end clamping connecting seat, a left side end top fork member arranged on the upper part of the left side end clamping control seat, and a left side end clamping arm connected to the left side end clamping cylinder.

[0022] The right side center pressing fixture assembly includes a group of right side center pressing connecting seats arranged relatively, a right side center pressing cylinder arranged at the upper side end of the right side center pressing connecting seat, a right side center pressing arm connected to the right side center pressing cylinder and hinged to the top of the right side center pressing connecting seat, and a right side center pad pressing block arranged at the lower part of the end of the right side center pressing arm;

[0023] The right side end clamping clamp structure includes a right side end pressing connection seat arranged outside the right side center clamping clamp assembly, a right side end pressing cylinder arranged on the upper part of the right side end pressing connection seat, a right side end clamping arm arranged at the output end of the right side end clamping cylinder, and a right side end inner clamping block group arranged between the lower end surface of the right side end clamping arm and the right side end pressing connection seat.

[0024] The advantages of the present invention are as follows: the overall structure is simple, easy to use, flexible to load and unload, space-saving, and processing efficiency is improved. The locking is firm to ensure that the workpiece is fixed and firmly welded. The use of the fast installation and replacement mechanism of the clamp ensures that the clamp is firmly connected and accurately positioned during assembly, further ensuring the improvement of welding accuracy. It is convenient and quick during disassembly, further improving work efficiency. It improves processing quality and affects the progress and quality of subsequent processes. In addition, a mobile structure is provided to ensure the convenient movement of each workstation in the factory environment.

[0025] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the present invention.

[0027] Figure 2 for Figure 1 Bottom view of .

[0028] Figure 3 for Figure 1 Stereoscopic diagram.

[0029] Figure 4 It is a schematic diagram of the structure of the actual use of the clamp of the present invention.

[0030] Figure 5 for Figure 4 Stereoscopic diagram.

[0031] Figure 6 It is a structural schematic diagram of the left center outer end clamping platform structure of the present invention.

[0032] Figure 7 for Figure 6 Stereoscopic diagram.

[0033] Figure 8 It is a structural schematic diagram of the top platform structure in the left center of the present invention.

[0034] Fig. 9 for Figure 8 Stereoscopic diagram.

[0035] Fig.10 The structural diagram of the left center limit platform structure of the present invention is

[0036] Fig.11 for Fig.10 Stereoscopic diagram.

[0037] Fig.12 It is a structural schematic diagram of the left center inner end tightening platform structure of the present invention.

[0038] Fig.13 for Fig.12 Stereoscopic diagram.

[0039] Fig.14 It is a structural schematic diagram of the right center outer end clamping platform structure of the present invention.

[0040] Fig.15 for Fig.14 Stereoscopic diagram.

[0041] Fig.16 It is a structural schematic diagram of the top platform structure in the center on the right side of the present invention.

[0042] Fig.17 for Fig.16 Stereoscopic diagram.

[0043] Fig.18 It is a structural schematic diagram of the right side center limit platform structure of the present invention.

[0044] Fig.19 for Fig.18 Stereoscopic diagram.

[0045] Fig. 20 It is a structural schematic diagram of the right side center inner end limiting and tightening platform structure of the present invention.

[0046] Fig.21 for Fig. 20 Stereoscopic diagram.

[0047] Fig. 22 It is a schematic structural diagram of the bottom side clamping assembly of the present invention.

[0048] Fig.23 for Fig. 22 Stereoscopic diagram.

[0049] Fig.24 It is a structural schematic diagram of the front support structure of the present invention.

[0050] Fig.25 for Fig.24 Stereoscopic diagram.

[0051] Fig.26 It is a structural schematic diagram of the rear support structure of the present invention.

[0052] Fig. 27 for Fig.26 Stereoscopic diagram.

[0053] Fig.28It is a structural schematic diagram of the left center clamping fixture assembly of the present invention.

[0054] Fig.29 for Fig.28 Stereoscopic diagram.

[0055] Fig.30 It is a structural schematic diagram of the left end clamping fixture structure of the present invention.

[0056] Fig.31 for Fig.30 Stereoscopic diagram.

[0057] Fig.32 It is a structural schematic diagram of the right center clamping fixture assembly of the present invention.

[0058] Fig.33 for Fig.32 Stereoscopic diagram.

[0059] Fig.34 It is a schematic structural diagram of the clamping fixture at the right end of the present invention.

[0060] Fig.35 for Fig.34 Stereoscopic diagram.

[0061] In the figure: 1. Mobile welding base, 2. Connecting air source seat, 3. Pusher, 4. Roller assembly, 5. Left center outer end connecting seat, 6. Left center outer end clamping cylinder, 7. Left center outer end clamping platform body, 8., 9., 10. Left center outer end pressure fork block, 11. Left center inner top connecting seat, 12. Left center inner top pin seat, 13. Left center inner top connecting block, 14. Left center inner top positioning pin, 15. Left center limit connecting seat, 16. Left center limit connecting block seat, 17. Left center limit positioning pin, 18. Left center inner end connecting seat, 19. Left center inner end connecting platform, 20. Press arm docking block, 21 .Left center inner end pin, 22. Right center outer end connecting seat, 23. Right center outer end clamping cylinder, 24. Right center outer end clamping platform body, 25. Right center outer end pressure arm, 26. Right center outer end pressure block, 27. Left center outer end regulation block assembly, 28. Right center inner top platform connecting seat, 29. Right center inner top platform body, 30. Right center inner pin, 31. Right center inner top limit fork block, 32. Right center limit platform connecting seat, 33. Right center limit platform body, 34. Right center limit pin assembly, 35. Right center limit lateral limit block assembly, 36. Right center inner end connecting seat, 37. Right Side center inner end connecting platform, 38. Pressure arm side limit block group, 39. Right center inner end top pin, 40. Extension platform, 41. Bottom side end clamping connection seat, 42. Bottom side end clamping platform, 43. Bottom side end clamping cylinder, 44. Side end clamping upper clamping block, 45. Inner clamping block, 46. Front support connection seat, 47. Front support limit pin, 48. Left center side end clamping arm, 49. Front support fork platform, 50. Front support support block, 51. Rear support adjustment connection seat, 52. Rear support pneumatic connection seat, 53. Rear support wing block, 54. Rear support pad, 55. Left center fixture connection seat, 56. Left center clamping platform body, 57. Left center side end control clamping cylinder, 58. Left center side end clamping arm, 59. Left center pin ejector platform, 60. Left center pressure plate, 61. Left end clamping connector, 62. Left end clamping cylinder, 63. Left end clamping control seat, 64. Left end top fork, 65. Left end clamping arm, 66. Right center clamping connector, 67. Right center clamping cylinder, 68. Right center pressure arm, 69. Right center pad pressure block, 70. Right end pressure connector, 71. Right end clamping cylinder, 72. Right end clamping arm, 73. Right end inner clamping block group, 74. Right end pin ejector, 75. Workpiece. DETAILED DESCRIPTION

[0062] The directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like in the application text are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0063] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0064] Embodiment 1, as Figure 1-5 As shown, a mobile automobile front floor welding processing table includes a mobile welding base 1 provided with a pusher 3 and a roller group 4, a workpiece holding structure provided on the mobile welding base 1, and a connecting gas source seat 2 for controlling the operation of the workpiece holding structure, wherein the workpiece holding structure includes a central clamp group structure provided at the center position of the upper part of the mobile welding base, a left side clamp structure provided on the left side of the upper part of the mobile welding base, and a right side clamp structure provided on the right side of the upper part of the mobile welding base, wherein the central clamp group structure includes a group of relatively arranged left side center clamping assemblies and a group of relatively arranged right side center clamping assemblies provided on the mobile welding base, wherein the left side clamp structure includes a left side center clamping clamp assembly provided on the left side of the mobile welding base, and a group of left side end clamping clamp structures with the same setting structure provided on the outside of the left side center clamping clamp assembly, wherein the right side clamp structure includes a right side center clamping clamp assembly provided on the right side of the mobile welding base, and a right side end clamping clamp structure with the same setting structure provided on the upper and lower ends of the right side center clamping clamp assembly.

[0065] The left center clamping assembly includes a left center outer end clamping platform structure, a left center inner top platform structure, a left center limit platform structure and a left center inner end top clamping platform structure;

[0066] like Figure 6 , 7As shown, the left center outer end clamping platform structure includes a left center outer end connecting seat 5, a left center outer end clamping cylinder 6, a left center outer end clamping platform body 7, a left center outer end pressure arm 8, a left center outer end regulation block assembly 9, and a left center outer end pressure fork block 10 at the end of the left center outer end pressure arm 8;

[0067] like Figure 8 , 9 As shown, the left center inner top platform structure includes a left center inner top connecting seat 11, a left center inner top pin seat 12 arranged on the outer side of the left center inner top connection, a left center inner top connecting block 13 arranged on the upper part of the left center inner top pin seat, and a left center inner top positioning pin 14 arranged on the upper part of the left center inner top connecting block;

[0068] like Fig.10 , 11 As shown, the left center limit platform structure includes a left center limit connecting seat 15, a left center limit connecting block seat 16 arranged on the upper part of the left center limit connecting seat, and a group of left center limit positioning pins 17 arranged on the left center limit connecting block seat;

[0069] like Fig.12 , 13 As shown, the left-side center inner end tightening platform structure includes a left-side center inner end connecting seat 18, a left-side center inner end connecting platform 19 arranged on the upper part of the left-side center inner end connecting seat, pressure arm docking blocks 20 arranged on both sides of the upper part of the left-side center inner end connecting platform, and a left-side center inner end ejector pin 21 arranged at the center of the upper part of the left-side center inner end connecting platform.

[0070] like Fig.14 , 15 As shown, the right side center clamping assembly includes a right side center outer end clamping platform structure, a right side center inner top platform structure, a right side center limit platform structure and a right side center inner end limit top clamping platform structure;

[0071] The right side center outer end clamping platform structure includes a right side center outer end connecting seat 22, a right side center outer end clamping cylinder 23, a right side center outer end clamping platform body 24, a right side center outer end pressing arm 25, a right side center outer end pressing block 26 connected to the right side center outer end pressing arm, and a left side center outer end regulating block assembly 27;

[0072] like Fig.16 , 17 As shown, the right side center inner top platform structure includes a right side center inner top platform connecting seat 28, a right side center inner top platform body 29 arranged on the upper part of the right side center inner top platform connecting seat, a right side center inner top pin 30 arranged on the upper part of the right side center inner top platform body, and a right side center inner top limiting fork block 31 arranged on the side end of the upper part of the right side center inner top platform body.

[0073] like Fig.18 , 19 As shown, the right side center limit platform structure includes a right side center limit platform connecting seat 32, a right side center limit platform body 33 arranged on the upper part of the right side center limit platform connecting seat, a right side center limit pin assembly 34 arranged on the right side center limit platform body, and a right side center limit lateral limit block assembly 35 arranged on the right side center limit platform body.

[0074] like Fig. 20 , 21 As shown, the right side center inner end limiting and tightening platform structure includes a right side center inner end connecting seat 36, a right side center inner end connecting platform 37 arranged on the upper part of the right side center inner end connecting seat, a pressure arm side limiting block group 38 arranged on both sides of the upper part of the right side center inner end connecting platform, and a right side center inner end ejector pin 39 arranged at the center of the upper part of the right side center inner end connecting platform.

[0075] like Fig. 22 , 23 As shown, an extension platform 40 is provided at the end of the movable welding base on the right side of the right center clamping clamp assembly, and a bottom side end clamping assembly is provided on the extension platform, and the bottom side end clamping assembly includes a bottom side end clamping connecting seat 41, a bottom side end clamping platform 42 arranged on the outside of the bottom side end clamping connecting seat, a bottom side end clamping cylinder 43 arranged on the outside of the bottom side end clamping platform, a side end clamping upper clamping block 44 connected to the output end of the side end clamping cylinder, and an inner clamping block 45 arranged between the inner side of the side end clamping upper clamping block and the bottom side end clamping platform.

[0076] A bottom supporting component group structure is arranged on the movable welding bottom platform between the central clamp group structure and the right side clamp structure.

[0077] The bottom supporting component group structure includes a front supporting component structure and a rear supporting component structure;

[0078] like Fig.24 , 25 As shown, the front support structure includes a front support connecting seat 46, a front support limiting pin 47 arranged at the rear side of the front support connecting seat, a front support pad 48 arranged at the outer side of the front support connecting seat, a front support fork platform 49 arranged at the upper part of the front support connecting seat, and a front support supporting block 50 arranged at the stub end of the front support fork platform;

[0079] like Fig.26 , 27 As shown, the rear support structure includes a rear support adjustment connecting seat 51, a rear support pneumatic connecting seat 52 arranged on the upper part of the rear support adjustment connecting seat, a group of rear support wing blocks 53 arranged on the upper part of the rear support pneumatic connecting seat, and a rear support pad block 54 arranged at the end of the rear support wing block.

[0080] like Fig.28 , 29As shown, the left center clamping clamp assembly includes a group of relatively arranged left center clamp connecting seats 55, a left center clamping platform body 56 arranged on the left center clamping platform, a left center side end control clamping cylinder 57 arranged at the outer end of the left center clamping platform body, a left center side end clamping arm 58 connected to the left center side end control clamping cylinder, a left center ejector platform 59 arranged on the upper part of the left center clamping platform body 56, and a left center pressure plate 60 arranged at the lower part of the end of the left center side end clamping arm;

[0081] like Fig.30 , 31 As shown, the left side end clamping clamp structure includes a left side end clamping connecting seat 61, a left side end clamping cylinder 62 arranged on the outside of the left side end clamping connecting seat, a left side end clamping control seat 63 arranged on the inner side of the left side end clamping connecting seat, a left side end top fork piece 64 arranged on the upper part of the left side end clamping control seat, and a left side end clamping arm 65 connected to the left side end clamping cylinder.

[0082] like Fig.32 , 33 As shown, the right center clamp assembly includes a group of right center clamping connection seats 66 arranged opposite to each other, a right center clamping cylinder 67 arranged at the upper side end of the right center clamping connection seat, a right center pressing arm 68 connected to the right center clamping cylinder and hinged with the top of the right center clamping connection seat, and a right center pad pressing block 69 arranged at the lower part of the end of the right center clamping arm;

[0083] like Fig.34 , 35 As shown, the right side end clamping clamp structure includes a right side end pressing connection seat 70 arranged outside the right side center clamping clamp assembly, a right side end clamping cylinder 71 arranged on the upper part of the right side end pressing connection seat, a right side end clamping arm 72 arranged at the output end of the right side end clamping cylinder, and a right side end inner clamping block group 73 arranged between the lower end surface of the right side end clamping arm and the right side end pressing connection seat, and a right side end push pin 74 is provided.

[0084] The overall structure is simple, easy to use, flexible loading and unloading, space saving, and improved processing efficiency. The locking is tight and ensures that the workpiece is fixed and welded firmly. The fast installation and replacement mechanism of the fixture ensures that the fixture is connected firmly and accurately during assembly, further ensuring the improvement of welding accuracy. It is convenient and fast during disassembly, further improving work efficiency. Improve the processing quality and affect the progress and quality of subsequent processes. And the mobile structure is set to ensure the convenient movement of each workstation in the factory environment.

[0085] The above embodiments are merely descriptions of preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering and technical personnel in the field shall fall within the protection scope determined by the claims of the present invention.

[0086] The parts not involved in the present invention are the same as the prior art or can be implemented by using the prior art.

Claims

1. A mobile automobile front floor welding processing table, comprising a mobile welding base, a workpiece holding structure arranged on the mobile welding base, and a connecting air source seat for controlling the operation of the workpiece holding structure, characterized in that: The workpiece holding structure includes a central clamp group structure arranged at the center position of the upper part of the mobile welding base, a left side clamp structure arranged on the left side of the upper part of the mobile welding base, and a right side clamp structure arranged on the right side of the upper part of the mobile welding base. The central clamp group structure includes a group of relatively arranged left central clamping assemblies and a group of relatively arranged right central clamping assemblies arranged on the mobile welding base. The left side clamp structure includes a left central clamping clamp assembly arranged on the left side of the mobile welding base and a group of left end clamping clamp structures with the same setting structure arranged outside the left central clamping clamp assembly. The right side clamp structure includes a right central clamping clamp assembly arranged on the right side of the mobile welding base and a right end clamping clamp structure with the same setting structure arranged on the upper and lower ends of the right central clamping clamp assembly. The right side center clamping assembly includes a right side center outer end clamping platform structure, a right side center inner top platform structure, a right side center limit platform structure and a right side center inner end limit top clamping platform structure; The right side center outer end clamping platform structure includes a right side center outer end connecting seat, a right side center outer end clamping cylinder, a right side center outer end clamping platform body, a right side center outer end pressure arm, a right side center outer end pressure block connected to the right side center outer end pressure arm, and a left side center outer end regulation block assembly; The right side center inner top platform structure comprises a right side center inner top platform connecting seat, a right side center inner top platform body arranged on the upper part of the right side center inner top platform connecting seat, a right side center inner top pin arranged on the upper part of the right side center inner top platform body, and a right side center inner top limiting fork block arranged on the side end of the upper part of the right side center inner top platform body. The right side center limit platform structure comprises a right side center limit platform connecting seat, a right side center limit platform body arranged on the upper part of the right side center limit platform connecting seat, a right side center limit pin assembly arranged on the right side center limit platform body, and a right side center limit lateral limit block assembly arranged on the right side center limit platform body. The right side center inner end limit pressing platform structure comprises a right side center inner end connecting seat, a right side center inner end connecting platform arranged on the upper part of the right side center inner end connecting seat, a pressure arm side limit block group arranged on both sides of the upper part of the right side center inner end connecting platform, and a right side center inner end push pin member arranged at the center of the upper part of the right side center inner end connecting platform; A bottom support assembly structure is arranged on the movable welding base between the central fixture assembly structure and the right side fixture structure: The bottom supporting component group structure includes a front supporting component structure and a rear supporting component structure; The front support structure includes a front support connecting seat, a front support limiting pin arranged at the rear side of the front support connecting seat, a front support pad arranged at the outside of the front support connecting seat, a front support fork arranged at the upper part of the front support connecting seat, and a front support supporting block arranged at the joint end of the front support fork; The rear support structure includes a rear support adjustment connection seat, a rear support pneumatic connection seat arranged on the upper part of the rear support adjustment connection seat, a group of rear support wing blocks arranged on the upper part of the rear support pneumatic connection seat, and a rear support pad block arranged at the end of the rear support wing block.

2. The mobile automobile front floor welding processing platform according to claim 1, characterized in that: The left center clamping assembly includes a left center outer end clamping platform structure, a left center inner top platform structure, a left center limit platform structure and a left center inner end top clamping platform structure; The left center outer end clamping platform structure includes a left center outer end connecting seat, a left center outer end clamping cylinder, a left center outer end clamping platform body, a left center outer end pressure arm and a left center outer end regulating block assembly; The left center inner top platform structure includes a left center inner top connecting seat, a left center inner top pin seat arranged outside the left center inner top connection, a left center inner top connecting block arranged on the upper part of the left center inner top pin seat, and a left center inner top positioning pin arranged on the upper part of the left center inner top connecting block; The left center limit platform structure includes a left center limit connecting seat, a left center limit connecting block seat arranged on the upper part of the left center limit connecting seat, and a group of left center limit positioning pins arranged on the left center limit connecting block seat; The left-side center inner end tightening platform structure includes a left-side center inner end connecting seat, a left-side center inner end connecting platform arranged on the upper part of the left-side center inner end connecting seat, pressure arm docking blocks arranged on both sides of the upper part of the left-side center inner end connecting platform, and a left-side center inner end ejector pin arranged at the center of the upper part of the left-side center inner end connecting platform.

3. The mobile automobile front floor welding processing platform according to claim 1, characterized in that: An extension platform is provided at the end of the movable welding base on the right side of the right center clamping clamp assembly, and a bottom side end clamping assembly is provided on the extension platform. The bottom side end clamping assembly includes a bottom side end clamping connecting seat, a bottom side end clamping platform arranged on the outside of the bottom side end clamping connecting seat, a bottom side end clamping cylinder arranged on the outside of the bottom side end clamping platform, a side end clamping upper clamping block connected to the output end of the side end clamping cylinder, and an inner clamping block arranged between the inner side of the side end clamping upper clamping block and the bottom side end clamping platform.

4. The mobile automobile front floor welding processing platform as claimed in claim 1, characterized in that: The left-side center clamping clamp assembly includes a group of relatively arranged left-side center clamp connecting seats, a left-side center clamping platform body arranged on the left-side center clamping platform body, a left-side center side end control clamping cylinder arranged at the outer end of the left-side center clamping platform body, a left-side center side end clamping arm connected to the left-side center side end control clamping cylinder, a left-side center pin ejector arranged on the upper part of the left-side center clamping platform body, and a left-side center pressure plate arranged at the lower part of the end of the left-side center side end clamping arm; The left side end clamping clamp structure includes a left side end clamping connecting seat, a left side end clamping cylinder arranged on the outside of the left side end clamping connecting seat, a left side end clamping control seat arranged on the inner side of the left side end clamping connecting seat, a left side end top fork member arranged on the upper part of the left side end clamping control seat, and a left side end clamping arm connected to the left side end clamping cylinder.

5. The mobile automobile front floor welding processing platform as claimed in claim 1, characterized in that: The right side center pressing fixture assembly includes a group of right side center pressing connecting seats arranged relatively, a right side center pressing cylinder arranged at the upper side end of the right side center pressing connecting seat, a right side center pressing arm connected to the right side center pressing cylinder and hinged to the top of the right side center pressing connecting seat, and a right side center pad pressing block arranged at the lower part of the end of the right side center pressing arm; The right side end clamping clamp structure includes a right side end pressing connection seat arranged outside the right side center clamping clamp assembly, a right side end pressing cylinder arranged on the upper part of the right side end pressing connection seat, a right side end clamping arm arranged at the output end of the right side end clamping cylinder, and a right side end inner clamping block group arranged between the lower end surface of the right side end clamping arm and the right side end pressing connection seat.

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