Welding tool for welding assembly of pressure chamber plate of protective fan heater with VIN (Vehicle Identification Number)

Abstract

The invention belongs to the technical field of welding equipment, and particularly discloses a tool for welding a welding assembly of a protective fan heater pressure chamber plate with a VIN code. Comprising a welding workbench, a pressure chamber plate fixing device, a first mounting frame fixing device, a second mounting frame fixing device, a third mounting frame fixing device, a fourth mounting frame fixing device, a cover plate fixing device and a protection device, the pressure chamber plate fixing device comprises a plurality of fixing assemblies, and the fixing assemblies are used for clamping and fixing the side face of a pressure chamber plate. The first mounting frame fixing device, the second mounting frame fixing device, the third mounting frame fixing device, the fourth mounting frame fixing device and the cover plate fixing device are used for fixing the first mounting frame, the second mounting frame, the third mounting frame, the fourth mounting frame and the cover plate respectively, and the protection device is used for protecting a VIN code area. According to the technical scheme, the VIN code area can be protected, and the problem that the VIN code area is damaged in the welding process is avoided.

Description

Technical Field

[0001] The present invention belongs to the technical field of welding equipment, and particularly relates to a welding fixture for welding a welding assembly of a pressure chamber plate of a VIN code-protected built-in warm air blower. Background Art

[0002] The warm air blower pressure chamber of an automobile mainly includes parts such as a pressure chamber plate of the warm air blower, a front windshield cover plate, a wiper motor mounting bracket, and a connecting member. Its main purpose is to install a wiper bracket, a front windshield cover plate, etc. and to achieve a drainage function. Among them, the pressure chamber plate of the warm air blower is the main load-bearing body, and the wiper bracket and the front windshield cover plate are both fixedly connected to it.

[0003] During the production and manufacturing process of an automobile, welding is mostly used to connect the pressure chamber plate with the above structures into one body. During welding, workers hold the pressure chamber plate by hand or use a simple fixture to clamp and fix it. The method is simple and crude, and the pressure chamber plate is easy to shake, so it is difficult to ensure the stable docking of the pressure chamber plate with other structures. Moreover, there is a VIN code area on the pressure chamber plate, and the current welding method and welding fixture cannot protect the VIN code area, resulting in damage to the VIN code area during the welding process. Summary of the Invention

[0004] The purpose of the present invention is to provide a welding fixture for welding a welding assembly of a pressure chamber plate of a VIN code-protected built-in warm air blower to solve the problems in the prior art that the clamping of each component is not stable and the VIN code area cannot be protected.

[0005] To achieve the above purpose, the technical solution of the present invention is: a welding fixture for welding a welding assembly of a pressure chamber plate of a VIN code-protected built-in warm air blower, including a welding workbench and a pressure chamber plate fixing device, a first mounting bracket fixing device, a second mounting bracket fixing device, a third mounting bracket fixing device, a fourth mounting bracket fixing device, a cover plate fixing device, and a protection device installed on the welding workbench;

[0006] The pressure chamber plate fixing device includes a plurality of fixing components, and the fixing components are used for clamping and fixing the side surface of the pressure chamber plate. The positions of the fixing components are arranged to avoid the installation positions of the first mounting bracket fixing device, the second mounting bracket fixing device, the third mounting bracket fixing device, the cover plate fixing device, and the protection device;

[0007] The first mounting bracket fixing device includes a first mounting base, a first driving member, a first connecting bracket, a connecting seat, a second driving member, a side pressing block and an L-shaped pressing block. The first mounting base is mounted on the welding workbench. The first driving member is mounted on the first mounting base. The driving end of the first driving member is connected to the first connecting bracket. The connecting seat is fixed on the first connecting bracket. The second driving member is fixed on the connecting seat. There are two groups of side pressing blocks, and the two groups of side pressing blocks are mounted on both sides of the connecting seat. The side pressing blocks are used to press and hold the two sides of the first mounting bracket. The second driving member is used to drive the L-shaped pressing block to move. The vertical side of the L-shaped pressing block is used to press on the surface of the first mounting bracket, and the horizontal side of the L-shaped pressing block is used to insert into the inside of the first mounting bracket and support the inner bottom of the first mounting bracket.

[0008] The second mounting bracket fixing device is used to fix the second mounting bracket; the third mounting bracket fixing device is used to fix the third mounting bracket; the fourth mounting bracket fixing device is used to fix the fourth mounting bracket; the cover plate fixing device is used to fix the cover plate.

[0009] The protection device is used to protect the VIN code area. The protection device includes a second mounting base, a third driving member, a second connecting bracket and a protection plate. The second mounting base is mounted on the welding workbench. The third driving member is mounted on the second mounting base. The protection plate is mounted on the second connecting bracket. The driving end of the third driving member is connected to the second connecting bracket and drives the protection plate to cover the VIN code area.

[0010] Further, the second mounting bracket fixing device includes a third mounting base, a fourth driving member, a third connecting bracket, a fifth driving member, a fourth connecting bracket, a first support block, a first clamping block, a sixth driving member and a first positioning member. There is a first positioning hole on the pressure chamber plate, and there is a second positioning hole corresponding to the first positioning hole on the second mounting bracket. The third mounting base is mounted on the welding workbench. The fourth driving member, the sixth driving member and the first support block are mounted on the third mounting base. The first support block is used to support the outside of the pressure chamber plate. The driving end of the fourth driving member is connected to the third connecting bracket. The fifth driving member is mounted on the third connecting bracket. The driving end of the fifth driving member is connected to the fourth connecting bracket. The first clamping block is mounted on the fourth connecting bracket. The first clamping block is used to clamp and press on the surface of the second mounting bracket. The sixth driving member is used to drive the first positioning member to insert into the first positioning hole and the second positioning hole.

[0011] Further, the third mounting bracket fixing device includes a positioning unit and a fixing unit. The positioning unit includes a fourth mounting base, a seventh driving member, a fifth connecting bracket, an eighth driving member, a first hook block, a second positioning member, and a third positioning member. Third positioning holes and fourth positioning holes are respectively provided on both sides of the third mounting bracket. The fourth mounting base is mounted on the welding workbench, the seventh driving member is mounted on the fourth mounting base, the driving end of the seventh driving member is connected to the fifth connecting bracket, the eighth driving member, the second positioning member, and the third positioning member are mounted on the fifth connecting bracket, and the seventh driving member drives the second positioning member and the third positioning member through the fifth connecting bracket to be respectively inserted into the third positioning hole and the fourth positioning hole for positioning. The eighth driving member is used to drive the first hook block to hook the bottom of the third mounting bracket.

[0012] The overlapping side of the third mounting bracket overlaps on the outer edge of the pressure chamber plate. The fixing unit includes a fifth mounting base, a ninth driving member, a sixth connecting bracket, a second clamping block, and a second supporting block. The fifth mounting base is mounted on the welding workbench, and the ninth driving member is mounted on the fifth mounting base. The driving end of the ninth driving member is connected to the sixth connecting bracket, the second clamping block is mounted on the sixth connecting bracket, and the second supporting block is mounted on the fifth mounting base. The second clamping block and the second supporting block are used to clamp the overlapping side of the third mounting bracket and the outer edge of the pressure chamber plate.

[0013] Further, the cover plate fixing device includes a sixth mounting base, a seventh mounting base, a tenth driving member, an eleventh driving member, a twelfth driving member, a seventh connecting bracket, an eighth connecting bracket, a third supporting block, a third clamping block, a fourth positioning member, and a second hook block. The sixth mounting base and the seventh mounting base are mounted on the welding workbench. The tenth driving member is mounted on the sixth mounting base, and the driving end of the tenth driving member is used to drive the seventh connecting bracket to move. The third supporting block is mounted on the sixth mounting base, and the third supporting block is used to abut against the outer side of the pressure chamber plate. The third clamping block is mounted on the seventh connecting bracket, and the third clamping block and the third supporting block are used to clamp the outer edge of the pressure chamber plate. The eleventh driving member is mounted on the seventh connecting bracket, and the driving end of the eleventh driving member is used to drive the eighth connecting bracket to move. The second hook block is mounted on the eighth connecting bracket. The second hook block is used to hook the outer side of the cover plate. Fifth positioning holes are provided on both sides of the cover plate. The twelfth driving member is mounted on the seventh mounting base. There are two groups of the fourth positioning members, and the twelfth driving member is used to drive the fourth positioning members to move. The two groups of the fourth positioning members are respectively used to be inserted into the two groups of fifth positioning holes.

[0014] Further, the fourth mounting bracket fixing device includes an eighth mounting base, a ninth mounting base, a tenth mounting base, a thirteenth driving member, a fourteenth driving member, a fifteenth driving member, a sixteenth driving member, a ninth connecting bracket, a tenth connecting bracket, a first positioning block, a fifth positioning member, a second positioning block, a sixth positioning member, a first pressing block, a second pressing block, a fourth supporting block, and a fourth clamping block; the eighth mounting base and the ninth mounting base are mounted on the welding workbench, the tenth mounting base is slidably connected to the eighth mounting base, and the thirteenth driving member is used to drive the tenth mounting base to move; the fourteenth driving member is mounted on the ninth mounting base, the fifteenth driving member is mounted on the tenth mounting base, the driving end of the fourteenth driving member is connected to the ninth connecting bracket, and the driving end of the fifteenth driving member is connected to the tenth connecting bracket; the first positioning block, the second positioning block, and the sixteenth driving member are mounted on the tenth connecting bracket, the two sides of the fourth mounting bracket are respectively provided with a sixth positioning hole and a seventh positioning hole, the fifth positioning member and the sixth positioning member are respectively mounted on the first positioning block and the second positioning block, and the fifth positioning member and the sixth positioning member are used to be inserted into the sixth positioning hole and the seventh positioning hole for positioning; the driving end of the sixteenth driving member is connected with a first pressing block, the first pressing block corresponds to the first positioning block, and the first pressing block and the first positioning block are used to clamp one side of the fourth mounting bracket; the fourth supporting block is mounted on the ninth mounting base, the fourth clamping block is mounted on the ninth connecting bracket, and the fourth supporting block and the fourth clamping block are used to clamp one side of the pressure chamber plate; the second pressing block is mounted on the fourth clamping block, and one side of the second pressing block is used to press the side of the fourth mounting bracket close to the second pressing block against the inner side of the pressure chamber plate; the second positioning block and the second pressing block are used to clamp one side of the fourth mounting bracket.

[0015] Further, the fixing assembly includes a first fixing mechanism and a second fixing mechanism. The first fixing mechanism is used to fix the short side of the pressure chamber plate, and the second fixing mechanism is used to fix the long side of the pressure chamber plate.

[0016] The first fixing mechanism includes an eleventh mounting base, a seventeenth driving member, an eleventh connecting frame, a seventh positioning member, two groups of fifth support blocks and two groups of fifth clamping blocks; the eleventh mounting base is mounted on the welding workbench, the seventeenth driving member is mounted on the eleventh mounting base, the driving end of the seventeenth driving member is used to drive the eleventh connecting frame to move, the fifth support blocks are mounted on the eleventh mounting base, and the fifth clamping blocks are mounted on the eleventh connecting frame; the fifth support blocks are located outside the pressure chamber plate, the fifth clamping blocks are located inside the pressure chamber plate, and the fifth support blocks and the fifth clamping blocks are used to clamp both sides of the pressure chamber plate; there are eighth positioning holes on both sides of the pressure chamber plate; the seventh positioning member is used to be inserted into the eighth positioning holes for positioning.

[0017] Further, the second fixing mechanism includes a twelfth mounting base, an eighteenth driving member, a twelfth connecting frame, a sixth support block and a sixth clamping block. The twelfth mounting base is mounted on the welding workbench, the eighteenth driving member is mounted on the twelfth mounting base, and the driving end of the eighteenth driving member is connected to the twelfth connecting frame; the sixth support block is mounted on the twelfth mounting base and is used to support the bottom side of the pressure chamber plate; the sixth clamping block is mounted on the twelfth connecting frame and is used to press the upper side of the side of the pressure chamber plate.

[0018] Further, there is a ninth positioning hole on the pressure chamber plate, and an eighth positioning member is provided on the fourth mounting base. The eighth positioning member is used to be inserted into the ninth positioning hole for positioning.

[0019] Further, a seventh support block is provided on the fourth mounting base, and a seventh clamping block is provided on the fifth connecting frame. The seventh support block and the seventh clamping block are used to clamp the side of the pressure chamber plate.

[0020] The beneficial effects of this technical solution are as follows:

[0021] In this solution, by setting a pressure chamber plate fixing device, a first mounting frame fixing device, a second mounting frame fixing device, a third mounting frame fixing device, a fourth mounting frame fixing device, and a cover plate fixing device to respectively clamp and fix the pressure chamber plate, the first mounting frame, the second mounting frame, the third mounting frame, the fourth mounting frame, and the cover plate, the stability of each component is ensured, and there will be no displacement during the welding process, ensuring the accuracy of welding.

[0022] In this solution, by setting a protection device to protect the VIN code area, damage to the VIN code area during the welding process is avoided. Description of the Drawings

[0023] Figure 1It is a structural schematic diagram of the welding tooling for the welding assembly of the pressure chamber plate of the heater with VIN code protection of the present invention;

[0024] Figure 2 for Figure 1 A top view of

[0025] Figure 3 for Figure 1 The structural diagram of the welding workbench is removed;

[0026] Figure 4 is a first structural schematic diagram of a pressure chamber plate;

[0027] Figure 5 is a second structural schematic diagram of a pressure chamber plate;

[0028] Figure 6 for Figure 3 A schematic diagram of the structure of the fixing device for the medium pressure chamber plate;

[0029] Figure 7 for Figure 3 A first structural schematic diagram of the first mounting frame fixing device;

[0030] Figure 8 for Figure 3 A second structural schematic diagram of the first mounting frame fixing device;

[0031] Figure 9 for Figure 3 A first structural schematic diagram of the second mounting frame fixing device;

[0032] Figure 10 for Figure 3 A second structural schematic diagram of the second mounting frame fixing device;

[0033] Figure 11 for Figure 3 A first structural schematic diagram of the third mounting frame fixing device;

[0034] Figure 12 for Figure 3 A second structural schematic diagram of the fixing device of the third mounting frame;

[0035] Figure 13 for Figure 3 A third structural schematic diagram of the third mounting frame fixing device;

[0036] Figure 14 for Figure 3 A first structural schematic diagram of the fourth mounting frame fixing device;

[0037] Figure 15 for Figure 3 A second structural schematic diagram of the fourth mounting frame fixing device;

[0038] Figure 16 is Figure 3 the first structural schematic diagram of the middle cover plate fixing device;

[0039] Figure 17 is Figure 3 the second structural schematic diagram of the middle cover plate fixing device;

[0040] Figure 18 is Figure 3 the third structural schematic diagram of the middle cover plate fixing device;

[0041] Figure 19 is Figure 3 the fourth structural schematic diagram of the middle cover plate fixing device;

[0042] Figure 20 is Figure 3 the structural schematic diagram of the middle protection device. Specific embodiments

[0043] The following is a further detailed description through specific embodiments:

[0044] The reference numerals in the accompanying drawings of the specification include: pressure chamber plate 1, first mounting bracket 2, second mounting bracket 3, third mounting bracket 4, fourth mounting bracket 5, cover plate 6, VIN code area 7, first fixing mechanism 8, second fixing mechanism 9, welding workbench 10, first mounting bracket fixing device 11, second mounting bracket fixing device 12, third mounting bracket fixing device 13, fourth mounting bracket fixing device 14, cover plate fixing device 15, protection device 16, eleventh mounting base 17, seventeenth driving member 18, eleventh connecting frame 19, seventh positioning member 20, fifth supporting block 21, fifth clamping block 22, first connecting plate 23, eighth positioning hole 24, twelfth mounting base 25, eighteenth driving member 26, twelfth connecting frame 27, sixth supporting block 28, sixth clamping block 29, second connecting plate 30, first mounting base 31, first driving member 32, first connecting frame 33, connecting seat 34, second driving member 35, side pressing block 36, L-shaped pressing block 37, third connecting plate 38, third mounting base 39, fourth driving member 40, third connecting frame 41, fifth driving member 42, fourth connecting frame 43, first supporting block 44, first clamping block 45, sixth driving member 46, first positioning member 47, fourth connecting plate 48, fifth connecting plate 49, second positioning hole 50, fourth mounting base 51, seventh driving member 52, fifth connecting frame 53, eighth driving member 54, first hook block 55, second positioning member 56, third positioning member 57, third positioning hole 58, fourth positioning hole 59, eighth positioning member 60, ninth positioning hole 61, seventh supporting block 62, seventh clamping block 63, sixth connecting plate 64, fifth mounting base 65, ninth driving member 66, sixth connecting frame 67, second clamping block 68, second supporting block 69, seventh connecting plate 70, eighth mounting base 71, ninth mounting base 72, tenth mounting base 73, thirteenth driving member 74, fourteenth driving member 75, fifteenth driving member 76, sixteenth driving member 77, ninth connecting frame 78, tenth connecting frame 79, second positioning block 80, first positioning block 81, sixth positioning member 82, fifth positioning member 83, seventh positioning hole 84, sixth positioning hole 85, second pressing block 86, first pressing block 87, link structure 88, fourth supporting block 89, fourth clamping block 90, sixth mounting base 91, seventh mounting base 92, tenth driving member 93, seventh connecting frame 94, tenth connecting plate 95, third supporting block 96, third clamping block 97, eleventh driving member 98, eighth connecting frame 99, eleventh connecting plate 100, second hook block 101, twelfth driving member 102, fourth positioning member 103, second mounting base 104, third driving member 105, second connecting frame 106, protection plate 107, twelfth connecting plate 108, eighth connecting plate 109, ninth connecting plate 110.

[0045] 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. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0046] The embodiment is basically as shown in the attached Figures 1 - 20 drawing: The welding tooling for the welding assembly of the pressure chamber plate of the VIN code-protected heater with its own VIN code, as Figures 1 - 3 shown, includes a welding workbench 10 and a pressure chamber plate fixing device, a first mounting bracket fixing device 11, a second mounting bracket fixing device 12, a third mounting bracket fixing device 13, a fourth mounting bracket fixing device 14, a cover plate fixing device 15, and a protection device 16 installed on the welding workbench 10.

[0047] The pressure chamber plate fixing device includes multiple groups of fixing components. The fixing components are used to clamp and fix the side of the pressure chamber plate 1, and the positions of the fixing components are set to avoid the installation positions of the first mounting bracket fixing device 11, the second mounting bracket fixing device 12, the third mounting bracket fixing device 13, the cover plate fixing device 15, and the protection device 16. The fixing components include a first fixing mechanism 8 and a second fixing mechanism 9. The first fixing mechanism 8 is used to fix the short side of the pressure chamber plate 1, and the second fixing mechanism 9 is used to fix the long side of the pressure chamber plate 1.

[0048] As Figure 6 shown, the first fixing mechanism 8 includes an eleventh mounting base 17, a seventeenth driving member 18, an eleventh connecting frame 19, a seventh positioning member 20, two groups of fifth support blocks 21, and two groups of fifth clamping blocks 22; the eleventh mounting base 17 is installed on the welding workbench 10, the seventeenth driving member 18 is installed on the eleventh mounting base 17, and the driving end of the seventeenth driving member 18 is used to drive the eleventh connecting frame 19 to move. The seventeenth driving member 18 uses a cylinder. The cylinder body of the seventeenth driving member 18 is hinged to the eleventh mounting base 17, and the driving end of the seventeenth driving member 18 is rotatably connected to the eleventh connecting frame 19; a first connecting plate 23 is fixed on the eleventh connecting frame 19, and the first connecting plate 23 is rotatably connected to the eleventh mounting base 17. The fifth support blocks 21 are installed on the eleventh mounting base 17, and the fifth clamping blocks 22 are installed on the eleventh connecting frame 19; the fifth support blocks 21 are located outside the pressure chamber plate 1, and the fifth clamping blocks 22 are located inside the pressure chamber plate 1. The fifth support blocks 21 and the fifth clamping blocks 22 are used to clamp both sides of the pressure chamber plate 1. As Figure 5 shown, eighth positioning holes 24 are provided on both sides of the pressure chamber plate 1; the seventh positioning member 20 is used to be inserted into the eighth positioning holes 24 for positioning.

[0049] The second fixing mechanism 9 includes a twelfth mounting base 25, an eighteenth driving member 26, a twelfth connecting frame 27, a sixth supporting block 28 and a sixth clamping block 29. The twelfth mounting base 25 is mounted on the welding workbench 10, the eighteenth driving member 26 is mounted on the twelfth mounting base 25, and the driving end of the eighteenth driving member 26 is connected to the twelfth connecting frame 27. The eighteenth driving member 26 is a cylinder, the cylinder body of the eighteenth driving member 26 is hinged to the twelfth mounting base 25, and the driving end of the eighteenth driving member 26 is rotatably connected to the twelfth connecting frame 27; a second connecting plate 30 is fixed on the twelfth connecting frame 27, and the second connecting plate 30 is rotatably connected to the twelfth mounting base 25. The sixth supporting block 28 is mounted on the twelfth mounting base 25 and is used to support the bottom side of the pressure chamber plate 1; the sixth clamping block 29 is mounted on the twelfth connecting frame 27 and is used to press the upper side of the side of the pressure chamber plate 1.

[0050] As Figure 7 , 8 shown, the first mounting frame fixing device 11 includes a first mounting base 31, a first driving member 32, a first connecting frame 33, a connecting seat 34, a second driving member 35, a side pressing block 36 and an L-shaped pressing block 37. The first mounting base 31 is mounted on the welding workbench 10, the first driving member 32 is a cylinder, the cylinder body of the first driving member 32 is hinged to the first mounting base 31, the driving end of the first driving member 32 is rotatably connected to the first connecting frame 33, and a third connecting plate 38 is fixed on the first connecting frame 33. The third connecting plate 38 is rotatably connected to the first mounting base 31. The connecting seat 34 is fixed on the first connecting frame 33, and the second driving member 35 is fixed on the connecting seat 34. There are two groups of side pressing blocks 36, and the two groups of side pressing blocks 36 are mounted on both sides of the connecting seat 34. The side pressing blocks 36 are used to press and hold the two sides of the first mounting frame 2. The second driving member 35 is used to drive the L-shaped pressing block 37 to move. Specifically, the second driving member 35 is a linear actuator, and a link structure 88 is used to connect the linear actuator and the L-shaped pressing block 37. The vertical side of the L-shaped pressing block 37 is used to press on the surface of the first mounting frame 2, and the horizontal side of the L-shaped pressing block 37 is used to insert into the inside of the first mounting frame 2 and support the inner bottom of the first mounting frame 2.

[0051] As Figure 9 , 10 shown, the second mounting frame fixing device 12 is used to fix the second mounting frame 3; the second mounting frame fixing device 12 includes a third mounting base 39, a fourth driving member 40, a third connecting frame 41, a fifth driving member 42, a fourth connecting frame 43, a first supporting block 44, a first clamping block 45, a sixth driving member 46 and a first positioning member 47; a first positioning hole is provided on the pressure chamber plate 1, and a second positioning hole 50 corresponding to the first positioning hole is provided on the second mounting frame 3. As Figure 5As shown in the figure. The third mounting base 39 is mounted on the welding workbench 10. The fourth driving member 40, the sixth driving member 46 and the first support block 44 are mounted on the third mounting base 39. The first support block 44 is used to support the outside of the pressure chamber plate 1. The driving end of the fourth driving member 40 is connected to the third connecting frame 41. The fourth driving member 40 is a cylinder. The cylinder body of the fourth driving member 40 is hinged to the third mounting base 39. The driving end of the fourth driving member 40 is rotatably connected to the third connecting frame 41. A fourth connecting plate 48 is fixed on the third connecting frame 41. The fourth connecting plate 48 is hinged to the third mounting base 39. The fifth driving member 42 is a cylinder. The cylinder body of the fifth driving member 42 is hinged to the third connecting frame 41. The driving end of the fifth driving member 42 is rotatably connected to the fourth connecting frame 43. A fifth connecting plate 49 is fixed on the fourth connecting frame 43. The fifth connecting plate 49 is rotatably connected to the third connecting frame 41. The first clamping block 45 is mounted on the fourth connecting frame 43. The first clamping block 45 is used to clamp and press on the surface of the second mounting frame 3. The first clamping block 45 and the first support block 44 cooperate to clamp the second mounting frame 3. The sixth driving member 46 is used to drive the first positioning member 47 to insert into the first positioning hole and the second positioning hole 50.

[0052] As Figures 11 - 13 shown, the third mounting frame fixing device 13 is used to fix the third mounting frame 4. The third mounting frame fixing device 13 includes a positioning unit and a fixing unit. The positioning unit includes a fourth mounting base 51, a seventh driving member 52, a fifth connecting frame 53, an eighth driving member 54, a first hook block 55, a second positioning member 56 and a third positioning member 57. As Figure 5 shown, the third positioning holes 58 and the fourth positioning holes 59 are respectively provided on both sides of the third mounting frame 4. The fourth mounting base 51 is mounted on the welding workbench 10. The seventh driving member 52 is a cylinder. The seventh driving member 52 is hinged to the fourth mounting base 51. The driving end of the seventh driving member 52 is rotatably connected to the fifth connecting frame 53. A sixth connecting plate 64 is fixed on the fifth connecting frame 53. The sixth connecting plate 64 is rotatably connected to the fourth mounting base 51. The eighth driving member 54, the second positioning member 56 and the third positioning member 57 are mounted on the fifth connecting frame 53. The seventh driving member 52 drives the second positioning member 56 and the third positioning member 57 to respectively insert into the third positioning hole 58 and the fourth positioning hole 59 for positioning through the fifth connecting frame 53. The eighth driving member 54 is used to drive the first hook block 55 to rotate and hook the bottom of the third mounting frame 4. As Figure 5 shown, a ninth positioning hole 61 is provided on the pressure chamber plate 1. An eighth positioning member 60 is provided on the fourth mounting base 51. The eighth positioning member 60 is used to insert into the ninth positioning hole 61 for positioning. A seventh support block 62 is provided on the fourth mounting base 51. A seventh clamping block 63 is provided on the fifth connecting frame 53. The seventh support block 62 and the seventh clamping block 63 are used to clamp the side of the pressure chamber plate 1.

[0053] The lapping side of the third mounting bracket 4 lapps on the outer edge of the pressure chamber plate 1; the fixing unit includes a fifth mounting base 65, a ninth driving member 66, a sixth connecting bracket 67, a second clamping block 68 and a second supporting block 69. The fifth mounting base 65 is mounted on the welding workbench 10. The ninth driving member 66 is a cylinder, and the cylinder body of the ninth driving member 66 is hinged to the fifth mounting base 65; the driving end of the ninth driving member 66 is rotatably connected to the sixth connecting bracket 67, and a seventh connecting plate 70 is fixed on the sixth connecting bracket 67, and the seventh connecting plate 70 is rotatably connected to the fifth mounting base 65. The second clamping block 68 is mounted on the sixth connecting bracket 67, and the second supporting block 69 is mounted on the fifth mounting base 65; the second clamping block 68 and the second supporting block 69 are used to clamp the lapping side of the third mounting bracket 4 and the outer edge of the pressure chamber plate 1.

[0054] As Figure 14 , 15 shown, the fourth mounting bracket fixing device 14 is used to fix the fourth mounting bracket 5; the fourth mounting bracket fixing device 14 includes an eighth mounting base 71, a ninth mounting base 72, a tenth mounting base 73, a thirteenth driving member 74, a fourteenth driving member 75, a fifteenth driving member 76, a sixteenth driving member 77, a ninth connecting bracket 78, a tenth connecting bracket 79, a first positioning block 81, a fifth positioning member 83, a second positioning block 80, a sixth positioning member 82, a first pressing block 87, a second pressing block 86, a fourth supporting block 89 and a fourth clamping block 90; the eighth mounting base 71 and the ninth mounting base 72 are mounted on the welding workbench 10, the tenth mounting base 73 is slidably connected to the eighth mounting base 71, and the thirteenth driving member 74 is used to drive the tenth mounting base 73 to move linearly. The fourteenth driving member 75 and the fifteenth driving member 76 are cylinders, the cylinder body of the fourteenth driving member 75 is hinged to the ninth mounting base 72, the cylinder body of the fifteenth driving member 76 is hinged to the tenth mounting base 73, the driving end of the fourteenth driving member 75 is rotatably connected to the ninth connecting bracket 78, and the driving end of the fifteenth driving member 76 is rotatably connected to the tenth connecting bracket 79. An eighth connecting plate 109 is fixed on the ninth connecting bracket 78, and the eighth connecting plate 109 is rotatably connected to the ninth mounting base 72; a ninth connecting plate 110 is fixed on the tenth connecting bracket 79, and the ninth connecting plate 110 is rotatably connected to the tenth mounting base 73. The first positioning block 81, the second positioning block 80 and the sixteenth driving member 77 are mounted on the tenth connecting bracket 79. As Figure 4As shown in the figure, on both sides of the fourth mounting bracket 5, there are respectively a sixth positioning hole 85 and a seventh positioning hole 84. The fifth positioning member 83 and the sixth positioning member 82 are respectively installed on the first positioning block 81 and the second positioning block 80. The fifth positioning member 83 and the sixth positioning member 82 are used to be inserted into the sixth positioning hole 85 and the seventh positioning hole 84 for positioning. The driving end of the sixteenth driving member 77 is connected with a first pressing block 87 through a connecting rod structure 88. The first pressing block 87 corresponds to the first positioning block 81. The first pressing block 87 and the first positioning block 81 are used to clamp one side of the fourth mounting bracket 5. The fourth supporting block 89 is installed on the ninth mounting base 72, and the fourth clamping block 90 is installed on the ninth connecting frame 78. The fourth supporting block 89 and the fourth clamping block 90 are used to clamp one side of the pressure chamber plate 1. The second pressing block 86 is installed on the fourth clamping block 90. One side of the second pressing block 86 is used to press the side of the fourth mounting bracket 5 close to the second pressing block 86 against the inner side of the pressure chamber plate 1. The second positioning block 80 and the second pressing block 86 are used to clamp one side of the fourth mounting bracket 5.

[0055] As Figures 16 - 19 shown in the figure, the cover plate fixing device 15 is used to fix the cover plate 6. The cover plate fixing device 15 includes a sixth mounting base 91, a seventh mounting base 92, a tenth driving member 93, an eleventh driving member 98, a twelfth driving member 102, a seventh connecting frame 94, an eighth connecting frame 99, a third supporting block 96, a third clamping block 97, a fourth positioning member 103, and a second hook block 101. The sixth mounting base 91 and the seventh mounting base 92 are installed on the welding workbench 10. The cylinder block of the tenth driving member 93 is hinged on the sixth mounting base 91. The driving end of the tenth driving member 93 is rotatably connected with the seventh connecting frame 94. A tenth connecting plate 95 is fixed on the seventh connecting frame 94. The tenth connecting plate 95 is rotatably connected with the sixth mounting base 91. The third supporting block 96 is installed on the sixth mounting base 91. The third supporting block 96 is used to abut against the outer side of the pressure chamber plate 1. The third clamping block 97 is installed on the seventh connecting frame 94. The third clamping block 97 and the third supporting block 96 are used to clamp the outer edge of the pressure chamber plate 1. The cylinder block of the eleventh driving member 98 is hinged on the seventh connecting frame 94. The driving end of the eleventh driving member 98 is rotatably connected with the eighth connecting frame 99. An eleventh connecting plate 100 is fixed on the eighth connecting frame 99. The eleventh connecting plate 100 is rotatably connected with the seventh connecting frame 94. The second hook block 101 is installed on the eighth connecting frame 99. The second hook block 101 is used to hook the outer side of the cover plate 6. There are fifth positioning holes on both sides of the cover plate 6. The twelfth driving member 102 is installed on the seventh mounting base 92. There are two groups of the fourth positioning members 103. The twelfth driving member 102 is used to drive the fourth positioning members 103 to move. The two groups of the fourth positioning members 103 are respectively used to be inserted into the two groups of the fifth positioning holes.

[0056] As Figure 20As shown, the protection device 16 is used to protect the VIN code area 7. The protection device 16 includes a second mounting base 104, a third driving member 105, a second connecting frame 106, and a protection plate 107. The second mounting base 104 is mounted on the welding workbench 10. The cylinder block of the third driving member 105 is hinged to the second mounting base 104. The protection plate 107 is mounted on the second connecting frame 106. The driving end of the third driving member 105 is rotatably connected to the second connecting frame 106 and drives the protection plate 107 to cover the VIN code area 7. A twelfth connecting plate 108 is fixed on the second connecting frame 106, and the twelfth connecting plate 108 is rotatably connected to the second mounting base 104.

[0057] The specific implementation process is as follows:

[0058] Place the pressure chamber plate 1 on the first support block 44, the second support block 69, the third support block 96, the fourth support block 89, the fifth support block 21, the sixth support block 28, and the seventh support block 62. And the first positioning member 47, the seventh positioning member 20, and the eighth positioning member 60 are respectively inserted into the first positioning hole, the eighth positioning hole 24, and the ninth positioning hole 61 of the pressure chamber plate 1. Then start the seventeenth driving member 18 and the eighteenth driving member 26. The seventeenth driving member 18 drives the eleventh connecting frame 19 to move, and the eleventh connecting frame 19 drives the fifth clamping block 22 to press against the inner side of the pressure chamber plate 1. The eighteenth driving member 26 drives the twelfth connecting frame 27 to move, and the twelfth connecting frame 27 drives the sixth clamping block 29 to press against the side of the pressure chamber plate 1.

[0059] When fixing the first mounting frame 2, place the first mounting frame 2 at the designated position. Then start the first driving member 32. The first driving member 32 drives the connecting seat 34 to move through the first connecting frame 33. The connecting seat 34 drives the second driving member 35 and the side pressing block 36 to move until the side pressing block 36 presses against both sides of the first mounting frame 2. Then start the second driving member 35. The second driving member 35 drives the L-shaped pressing block 37 to move, so that the vertical side of the L-shaped pressing block 37 presses against the surface of the first mounting frame 2, and the horizontal side is inserted into the inside of the first mounting frame 2 and supports the inside of the first mounting frame 2.

[0060] When fixing the second mounting frame 3, place the second mounting frame 3 at the designated position and make the first positioning member 47 inserted into the second positioning hole 50 on the second mounting frame 3. Then start the fourth driving member 40. The fourth driving member 40 drives the fifth driving member 42 and the fourth connecting frame 43 to move through the third connecting frame 41. After moving to the designated position, start the fifth driving member 42. The fifth driving member 42 drives the first clamping block 45 to press against the second mounting frame 3 through the fourth connecting frame 43.

[0061] When fixing the third mounting bracket 4, place the third mounting bracket 4 at the designated position, and then start the seventh driving member 52. The seventh driving member 52 drives the fifth connecting bracket 53 to move until the second positioning member 56 and the third positioning member 57 on the fifth connecting bracket 53 are respectively inserted into the third positioning hole 58 and the fourth positioning hole 59 of the third mounting bracket 4 for positioning, and the seventh clamping block 63 presses on the pressure chamber plate 1. Then start the eighth driving member 54, and the eighth driving member 54 drives the first hook block 55 to move, so that the first hook block 55 hooks the bottom of the third mounting bracket 4. After that, start the ninth driving member 66, and the ninth driving member 66 drives the sixth connecting bracket 67 to move, and the sixth connecting bracket 67 drives the second clamping block 68 to press on the outer edge of the pressure chamber plate 1.

[0062] When fixing the fourth mounting bracket 5, place the fourth mounting bracket 5 at the designated position, and make the fifth positioning member 83 and the sixth positioning member 82 respectively inserted into the sixth positioning hole 85 and the seventh positioning hole 84 of the fourth mounting bracket 5, and the first positioning block 81 and the second positioning block 80 abut against the side surface of the fourth mounting bracket 5. Start the fourteenth driving member 75, and the fourteenth driving member 75 drives the ninth connecting bracket 78 to move. The ninth connecting bracket 78 drives the fourth clamping block 90 to move and press the inner side of the fourth mounting bracket 5, and the second pressing block 86 and the second positioning block 80 clamp one side of the fourth mounting bracket 5. Then start the sixteenth driving member 77, and the sixteenth driving member 77 drives the first pressing block 87 to move, and the first pressing block 87 and the first positioning block 81 clamp the other side of the fourth mounting bracket 5.

[0063] When fixing the cover plate 6, place the cover plate 6 at the designated position, and make the fourth positioning member 103 inserted into the fifth positioning hole of the cover plate 6. Then start the tenth driving member 93, and the tenth driving member 93 drives the seventh connecting bracket 94 to move. The seventh connecting bracket 94 drives the eleventh driving member 98 and the third clamping block 97 to move until the third clamping block 97 presses on the outer edge of the pressure chamber plate 1. Then start the eleventh driving member 98, and the eleventh driving member 98 drives the eighth connecting bracket 99 to move. The eighth connecting bracket 99 drives the second hook block 101 to move, so that the second hook block 101 hooks the outer side of the cover plate 6.

[0064] When protecting the VIN code area 7, start the third driving member 105, and the third driving member 105 drives the protection plate 107 to cover the VIN code area 7 through the second connecting bracket 106.

[0065] After the pressure chamber plate 1, the first mounting bracket 2, the second mounting bracket 3, the third mounting bracket 4, the fourth mounting bracket 5 and the cover plate 6 are all fixed, and after the VIN code area 7 is protected, welding can be carried out.

[0066] After welding is completed, open the pressure chamber plate fixing device, the first mounting bracket fixing device 11, the second mounting bracket fixing device 12, the third mounting bracket fixing device 13, the fourth mounting bracket fixing device 14, the cover plate fixing device 15 and the protection device 16. Specifically:

[0067] Open the first mounting bracket fixing device 11, drive the second driving member 35, and the second driving member 35 drives the L-shaped pressing block 37 away from the first mounting bracket 2. Then start the first driving member 32, and the first driving member 32 drives the side pressing block 36 away from the first mounting bracket 2 through the first connecting frame 33 and the connecting seat 34.

[0068] Open the second mounting bracket fixing device 12, drive the fifth driving member 42, and the fifth driving member 42 drives the first clamping block 45 away from the second mounting bracket 3 through the fourth connecting frame 43. Then drive the fourth driving member 40, and the fourth driving member 40 drives the fifth driving member 42 and the fourth connecting frame 43 to return to their original positions through the third connecting frame 41. Finally, start the sixth driving member 46, and the sixth driving member 46 drives the first positioning member 47 away from the second mounting bracket 3 and the pressure chamber plate 1.

[0069] Open the third mounting bracket fixing device 13, start the eighth driving member 54, and the eighth driving member 54 drives the first hook block 55 to move, so that the first hook block 55 moves away from the third mounting bracket 4. Then start the seventh driving member 52, and the seventh driving member 52 drives the fifth connecting frame 53 to move, so that the second positioning member 56, the third positioning member 57 and the seventh clamping block 63 move away from the third mounting bracket 4 and the pressure chamber plate 1. Start the ninth driving member 66, and the ninth driving member 66 drives the sixth connecting frame 67 to move, and the sixth connecting frame 67 drives the second clamping block 68 away from the pressure chamber plate 1.

[0070] Open the fourth mounting bracket fixing device 14, start the sixteenth driving member 77, and the sixteenth driving member 77 drives the first pressing block 87 to move, and the first pressing block 87 moves away from the fourth mounting bracket 5. Then start the fourteenth driving member 75, and the fourteenth driving member 75 drives the ninth connecting frame 78 to move, and the ninth connecting frame 78 drives the fourth clamping block 90 away from the pressure chamber plate 1 and drives the second pressing block 86 away from the fourth mounting bracket 5. Then start the thirteenth driving member 74, and the thirteenth driving member 74 drives the tenth mounting base 73 to move, so that the first positioning block 81, the second positioning block 80, the fifth positioning member 83 and the sixth positioning member 82 move away from the fourth mounting bracket 5. Finally, start the fifteenth driving member 76, and the fifteenth driving member 76 drives the tenth connecting frame 79 to move, and the tenth connecting frame 79 drives the sixteenth driving member 77, the first positioning block 81, the second positioning block 80, the fifth positioning member 83 and the sixth positioning member 82 away from the pressure chamber plate 1.

[0071] Open the cover plate fixing device 15, start the eleventh driving member 98, the eleventh driving member 98 drives the eighth connecting frame 99 to move, the eighth connecting frame 99 drives the second hook block 101 to move, so that the second hook block 101 moves away from the cover plate 6. Then start the tenth driving member 93, the tenth driving member 93 drives the seventh connecting frame 94 to move, and the seventh connecting frame 94 drives the eleventh driving member 98 and the third clamping block 97 away from the pressure chamber plate 1. Finally, start the twelfth driving member 102, and the twelfth driving member 102 drives the fourth positioning member 103 away from the fifth positioning hole on the cover plate 6.

[0072] Open the protection device 16 of the VIN code area 7, start the third driving member 105, and the third driving member 105 drives the protection plate 107 away from the pressure chamber plate 1 through the second connecting frame 106.

[0073] Open the pressure chamber plate fixing device, and then start the seventeenth driving member 18 and the eighteenth driving member 26. The seventeenth driving member 18 drives the eleventh connecting frame 19 to move, and the eleventh connecting frame 19 drives the fifth clamping block 22 away from the pressure chamber plate 1. The eighteenth driving member 26 drives the twelfth connecting frame 27 to move, and the twelfth connecting frame 27 drives the sixth clamping block 29 away from the pressure chamber plate 1.

[0074] Finally, take out the pressure chamber plate 1.

[0075] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0076] The above are only embodiments of the present invention. Common general knowledge such as specific structures and characteristics known in the art are not described in detail herein. Those of ordinary skill in the art know all the common general knowledge in the technical field to which the invention pertains before the filing date or the priority date, are able to learn all the prior art in this field, and have the ability to apply conventional experimental means before this date. Those of ordinary skill in the art can, under the inspiration given in this application, complete and implement this solution in combination with their own abilities. Some typical well-known structures or well-known methods should not become obstacles for those of ordinary skill in the art to implement this application. It should be noted that for those skilled in the art, without departing from the structure of the present invention, several deformations and improvements can still be made, and these should also be regarded as the protection scope of the present invention, and these will not affect the implementation effect of the present invention and the practicality of the patent. The protection scope required by this application should be based on the content of its claims, and the specific implementation manners and the like recorded in the specification can be used to interpret the content of the claims.

Claims

1. The welding tooling for the welded assembly of the pressure chamber plate of the VIN code-protected built-in warm air blower, characterized in that: It includes a welding workbench and a pressure chamber plate fixing device, a first mounting bracket fixing device, a second mounting bracket fixing device, a third mounting bracket fixing device, a fourth mounting bracket fixing device, a cover plate fixing device and a protection device mounted on the welding workbench; The pressure chamber plate fixing device includes multiple groups of fixing components, which are used to clamp and fix the side surface of the pressure chamber plate, and the positions of the fixing components are set to avoid the installation positions of the first mounting bracket fixing device, the second mounting bracket fixing device, the third mounting bracket fixing device, the cover plate fixing device and the protection device; The first mounting bracket fixing device includes a first mounting base, a first driving member, a first connecting frame, a connecting seat, a second driving member, a side pressing block and an L-shaped pressing block. The first mounting base is mounted on the welding workbench, the first driving member is mounted on the first mounting base, the driving end of the first driving member is connected to the first connecting frame, the connecting seat is fixed on the first connecting frame, and the second driving member is fixed on the connecting seat; There are two groups of the side pressing blocks, and the two groups of side pressing blocks are mounted on both sides of the connecting seat, and the side pressing blocks are used to press and hold the two sides of the first mounting bracket; The second driving member is used to drive the L-shaped pressing block to move, the vertical side of the L-shaped pressing block is used to press on the surface of the first mounting bracket, and the horizontal side of the L-shaped pressing block is used to insert into the inside of the first mounting bracket and support the inner bottom of the first mounting bracket; The second mounting bracket fixing device is used to fix the second mounting bracket; The third mounting bracket fixing device is used to fix the third mounting bracket; The fourth mounting bracket fixing device is used to fix the fourth mounting bracket; The cover plate fixing device is used to fix the cover plate; The protection device is used to protect the VIN code area. The protection device includes a second mounting base, a third driving member, a second connecting frame and a protection plate. The second mounting base is mounted on the welding workbench, the third driving member is mounted on the second mounting base, the protection plate is mounted on the second connecting frame, and the driving end of the third driving member is connected to the second connecting frame and drives the protection plate to cover the VIN code area.

2. The welding tooling for the welding of the pressure chamber plate welding assembly of the self - contained VIN - coded protection warm air blower according to claim 1, characterized in that: The second mounting bracket fixing device includes a third mounting base, a fourth driving member, a third connecting bracket, a fifth driving member, a fourth connecting bracket, a first support block, a first clamping block, a sixth driving member and a first positioning member; a first positioning hole is provided on the pressure chamber plate, and a second positioning hole corresponding to the first positioning hole is provided on the second mounting bracket; the third mounting base is mounted on the welding workbench, the fourth driving member, the sixth driving member and the first support block are mounted on the third mounting base, and the first support block is used to support the outside of the pressure chamber plate; the driving end of the fourth driving member is connected to the third connecting bracket, the fifth driving member is mounted on the third connecting bracket, the driving end of the fifth driving member is connected to the fourth connecting bracket, the first clamping block is mounted on the fourth connecting bracket, and the first clamping block is used to clamp and press on the surface of the second mounting bracket; the sixth driving member is used to drive the first positioning member to insert into the first positioning hole and the second positioning hole.

3. The welding tooling for the welding of the pressure chamber plate welding assembly of the self - contained VIN - coded protection warm air blower according to claim 1, characterized in that: The third mounting bracket fixing device includes a positioning unit and a fixing unit. The positioning unit includes a fourth mounting base, a seventh driving member, a fifth connecting bracket, an eighth driving member, a first hook block, a second positioning member and a third positioning member; third positioning holes and fourth positioning holes are respectively provided on both sides of the third mounting bracket; the fourth mounting base is mounted on the welding workbench, the seventh driving member is mounted on the fourth mounting base, the driving end of the seventh driving member is connected to the fifth connecting bracket, the eighth driving member, the second positioning member and the third positioning member are mounted on the fifth connecting bracket, and the seventh driving member drives the second positioning member and the third positioning member to respectively insert into the third positioning hole and the fourth positioning hole through the fifth connecting bracket for positioning; the eighth driving member is used to drive the first hook block to hook the bottom of the third mounting bracket. The overlapping side of the third mounting bracket overlaps on the outer edge of the pressure chamber plate; the fixing unit includes a fifth mounting base, a ninth driving member, a sixth connecting bracket, a second clamping block and a second support block. The fifth mounting base is mounted on the welding workbench, and the ninth driving member is mounted on the fifth mounting base; the driving end of the ninth driving member is connected to the sixth connecting bracket, the second clamping block is mounted on the sixth connecting bracket, and the second support block is mounted on the fifth mounting base; the second clamping block and the second support block are used to clamp the overlapping side of the third mounting bracket and the outer edge of the pressure chamber plate.

4. The welding tooling for the welding of the pressure chamber plate welding assembly of the self - contained VIN - code protected warm air blower according to claim 1, characterized in that: The cover plate fixing device includes a sixth mounting base, a seventh mounting base, a tenth driving member, an eleventh driving member, a twelfth driving member, a seventh connecting frame, an eighth connecting frame, a third support block, a third clamping block, a fourth positioning member, and a second hook block; the sixth mounting base and the seventh mounting base are mounted on the welding workbench, the tenth driving member is mounted on the sixth mounting base, and the driving end of the tenth driving member is used to drive the seventh connecting frame to move. The third support block is mounted on the sixth mounting base, and the third support block is used to abut against the outer side of the pressure chamber plate; the third clamping block is mounted on the seventh connecting frame, and the third clamping block and the third support block are used to clamp the outer edge of the pressure chamber plate; the eleventh driving member is mounted on the seventh connecting frame, and the driving end of the eleventh driving member is used to drive the eighth connecting frame to move; the second hook block is mounted on the eighth connecting frame; the second hook block is used to hook the outer side of the cover plate; the two sides of the cover plate are provided with fifth positioning holes; the twelfth driving member is mounted on the seventh mounting base, there are two groups of the fourth positioning members, and the twelfth driving member is used to drive the fourth positioning members to move, and the two groups of the fourth positioning members are respectively used to insert into the two groups of fifth positioning holes.

5. The welding tool for the welding of the pressure chamber plate welding assembly of the self - contained VIN - code - protected heater, characterized in that: The fourth mounting frame fixing device includes an eighth mounting base, a ninth mounting base, a tenth mounting base, a thirteenth driving member, a fourteenth driving member, a fifteenth driving member, a sixteenth driving member, a ninth connecting frame, a tenth connecting frame, a first positioning block, a fifth positioning member, a second positioning block, a sixth positioning member, a first pressing block, a second pressing block, a fourth support block, and a fourth clamping block; the eighth mounting base and the ninth mounting base are mounted on the welding workbench, the tenth mounting base is slidably connected to the eighth mounting base, and the thirteenth driving member is used to drive the tenth mounting base to move; The fourteenth driving member is mounted on the ninth mounting base, the fifteenth driving member is mounted on the tenth mounting base, the driving end of the fourteenth driving member is connected to the ninth connecting frame, and the driving end of the fifteenth driving member is connected to the tenth connecting frame; the first positioning block, the second positioning block, and the sixteenth driving member are mounted on the tenth connecting frame, the two sides of the fourth mounting frame are respectively provided with a sixth positioning hole and a seventh positioning hole, the fifth positioning member and the sixth positioning member are respectively mounted on the first positioning block and the second positioning block, and the fifth positioning member and the sixth positioning member are used to insert into the sixth positioning hole and the seventh positioning hole for positioning; the driving end of the sixteenth driving member is connected with a first pressing block, the first pressing block corresponds to the first positioning block, and the first pressing block and the first positioning block are used to clamp one side of the fourth mounting frame; the fourth support block is mounted on the ninth mounting base, the fourth clamping block is mounted on the ninth connecting frame, and the fourth support block and the fourth clamping block are used to clamp one side of the pressure chamber plate; The second pressing block is installed on the fourth clamping block. One side of the second pressing block is used to press one side of the fourth mounting bracket close to the second pressing block against the inner side of the pressure chamber plate; the second positioning block and the second pressing block are used to clamp one side of the fourth mounting bracket.

6. The welding tool for the welding of the pressure chamber plate welding assembly of the VIN code-protected built-in heater, as claimed in claim 1, wherein: The fixing assembly includes a first fixing mechanism and a second fixing mechanism. The first fixing mechanism is used to fix the short side of the pressure chamber plate, and the second fixing mechanism is used to fix the long side of the pressure chamber plate. The first fixing mechanism includes an eleventh mounting base, a seventeenth driving member, an eleventh connecting frame, a seventh positioning member, two groups of fifth support blocks and two groups of fifth clamping blocks; the eleventh mounting base is installed on the welding workbench, the seventeenth driving member is installed on the eleventh mounting base, the driving end of the seventeenth driving member is used to drive the eleventh connecting frame to move, the fifth support blocks are installed on the eleventh mounting base, and the fifth clamping blocks are installed on the eleventh connecting frame; the fifth support blocks are located outside the pressure chamber plate, the fifth clamping blocks are located inside the pressure chamber plate, and the fifth support blocks and the fifth clamping blocks are used to clamp both sides of the pressure chamber plate; there are eighth positioning holes on both sides of the pressure chamber plate; the seventh positioning member is used to be inserted into the eighth positioning holes for positioning.

7. The welding tool for the welding of the pressure chamber plate welding assembly of the VIN code-protected built-in warm air blower according to claim 6, characterized in that: The second fixing mechanism includes a twelfth mounting base, an eighteenth driving member, a twelfth connecting frame, a sixth support block and a sixth clamping block. The twelfth mounting base is installed on the welding workbench, the eighteenth driving member is installed on the twelfth mounting base, and the driving end of the eighteenth driving member is connected to the twelfth connecting frame; the sixth support block is installed on the twelfth mounting base and is used to support the bottom side of the pressure chamber plate; the sixth clamping block is installed on the twelfth connecting frame and is used to press the upper side of the side of the pressure chamber plate.

8. The welding tooling for the welding of the pressure chamber plate welding assembly of the self - contained VIN - coded protection heater, as claimed in claim 3, wherein: There is a ninth positioning hole on the pressure chamber plate, and there is an eighth positioning member on the fourth mounting base. The eighth positioning member is used to be inserted into the ninth positioning hole for positioning.

9. The welding tool for the welding of the pressure chamber plate welding assembly of the VIN code-protected built-in warm air blower according to claim 3, characterized in that: There is a seventh support block on the fourth mounting base, and there is a seventh clamping block on the fifth connecting frame. The seventh support block and the seventh clamping block are used to clamp the side of the pressure chamber plate.

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