A transfer trailer frame welding tool

Abstract

This application relates to a welding fixture for a transfer trailer frame, belonging to the technical field of mechanical equipment. It includes a fixture platform mounted on a horizontal plane and a positioning device located on the fixture platform for positioning the weldment. It also includes a support frame assembly mounted on the fixture platform for initial support and fixation of the weldment. The positioning device includes a horizontal positioning mechanism and a vertical positioning mechanism. The horizontal positioning mechanism positions the weldment parallel to the horizontal plane, which includes a transverse direction along the length of the fixture platform and a longitudinal direction along the width of the fixture platform. The vertical positioning mechanism positions the weldment perpendicular to the horizontal plane. This application improves the positioning accuracy of the weldment during the welding process.

Description

Technical Field

[0001] This application relates to mechanical tooling, and more particularly to a welding tooling for a transfer trailer frame. Background Technology

[0002] A transport trailer is a heavy-duty vehicle used to transport goods. It typically has a robust frame to support and secure the load, so welding is a crucial step in the manufacturing process of the trailer frame.

[0003] Because the structure of the frame itself is relatively complex, there are many welded parts with complex shapes. Traditional welding fixtures are not very flexible and can generally only position and fix the welded parts in a single fixed direction, while welded parts in other directions cannot be effectively positioned and fixed.

[0004] During the welding process, some of the welded parts cannot be accurately positioned. When this happens, the frame structure may become unstable due to inaccurate welding positions.

[0005] Regarding the aforementioned technologies, traditional tooling is not accurate enough in positioning the welded parts, which can easily lead to unstable welding and welding deformation. Summary of the Invention

[0006] The purpose of this application is to improve the positioning accuracy of welded parts during the welding process.

[0007] The welding fixture for the transfer trailer frame provided in this application adopts the following technical solution:

[0008] A welding fixture for a transfer trailer frame includes a fixture platform set on a horizontal plane and a positioning device located on the fixture platform for positioning the welded parts. It also includes a support frame assembly, which is set on the fixture platform and is used to provide initial support and fixation for the welded parts.

[0009] The positioning device includes a horizontal positioning mechanism and a vertical positioning mechanism. The horizontal positioning mechanism is used to position the weldment parallel to the horizontal plane. The direction of the horizontal plane includes a transverse direction along the length direction of the tooling platform and a longitudinal direction along the width direction of the tooling platform. The vertical positioning mechanism is used to position the weldment perpendicular to the horizontal plane.

[0010] By adopting the above technical solution, the welded parts are positioned and fixed in the horizontal and vertical directions on the tooling platform, which can pre-fix multiple welded tooling parts on the tooling platform before welding, ensuring stability in the subsequent welding process.

[0011] Optionally, the support frame assembly includes a first support group consisting of a first column, a crossbeam, and a first mating column. Two first columns are fixedly connected to the tooling platform in a direction perpendicular to the horizontal plane. The two ends of the crossbeam are respectively fixedly connected to the ends of the two first columns away from the tooling platform. A first mounting hole is provided on the crossbeam for a pin to pass through. The first mating column is fixedly connected to the tooling platform. Each of the two first columns is provided with a first abutting rod that moves laterally, and the first abutting rod corresponds to the first mating column.

[0012] It also includes a second support group consisting of a second pillar and a second abutment rod. The two second pillars are fixedly connected to the tooling platform in a direction perpendicular to the horizontal plane, and the second abutment rod is disposed on the second pillar and moves in the lateral direction.

[0013] By adopting the above technical solution, the first and second pillars of the support frame assembly, as the main positioning components in the vertical direction of the tooling platform, can provide initial positioning for the overall welded parts when they are installed on the tooling platform, clearly indicating the position where the welded parts should be placed.

[0014] Optionally, the horizontal positioning mechanism includes a first lateral dynamic positioning component and a front support plate, wherein the first lateral dynamic positioning component is disposed on the tooling platform and moves along the lateral direction, the front support plate is fixedly connected to the first lateral dynamic positioning component and moves along the lateral direction with the first lateral dynamic positioning component, and the front support plate is used to abut against the welded component; it also includes a first longitudinal dynamic positioning component, a second longitudinal dynamic positioning component, and a first longitudinal static positioning component, wherein the first longitudinal dynamic positioning component is disposed on the tooling platform, the second longitudinal dynamic positioning component is disposed on the tooling platform, and the first longitudinal dynamic positioning component and the second longitudinal dynamic positioning component move along the longitudinal direction, and the first longitudinal static positioning component is fixedly connected to the tooling platform and is located on the side of the second longitudinal dynamic positioning component away from the first longitudinal dynamic positioning component.

[0015] By adopting the above technical solution, the front support plate can ensure that welded parts that are not in contact at both ends remain on the same plane when performing lateral positioning, thereby improving the accuracy of positioning the welded parts.

[0016] Optionally, the horizontal positioning mechanism includes a third longitudinal dynamic positioning element, which is disposed on the tooling platform and located between the first support column and the second support column, and the third longitudinal dynamic positioning element moves along the longitudinal direction.

[0017] By adopting the above technical solution, the third longitudinal dynamic positioning component ensures the longitudinal positioning stability of the welded component at the distance between the first support and the second support.

[0018] Optionally, the horizontal positioning mechanism includes a fourth longitudinal dynamic positioning component and a second longitudinal static positioning component. The fourth longitudinal dynamic positioning component is disposed on the tooling platform and moves along the longitudinal direction. The second longitudinal static positioning component is fixedly connected to the tooling platform and is located in the moving direction of the fourth longitudinal dynamic positioning component to correspond to the fourth longitudinal dynamic positioning component.

[0019] By adopting the above technical solution, the fourth longitudinal dynamic positioning component, together with the second longitudinal static positioning component, limits and fixes the same welded component on both the upper and lower sides in the vertical direction, preventing the welded component from undergoing lateral displacement during welding and affecting the welding result.

[0020] Optionally, the horizontal positioning mechanism includes a fifth longitudinal dynamic positioning component and a third longitudinal static positioning component. The fifth longitudinal dynamic positioning component is fixed to the tooling platform and moves along the longitudinal direction. The third longitudinal static positioning component is fixedly connected to the tooling platform and is located in the moving direction of the fifth longitudinal dynamic positioning component to correspond to the fifth longitudinal dynamic positioning component.

[0021] By adopting the above technical solution, the stability of the welded parts in the vertical direction can be enhanced by using a combination of dynamic and static fixing methods.

[0022] Optionally, the vertical positioning mechanism includes a first positioning post and a third abutting rod. The first positioning post is fixedly connected to the tooling platform, and the third abutting rod is disposed on the tooling platform and moves toward the tooling platform in a direction perpendicular to the horizontal plane.

[0023] By adopting the above technical solution, the first positioning post is used to initially position the placement of the welded parts, and then the third abutment rod is used for secondary positioning in the vertical direction to achieve the effect of strengthening and fixing the welded parts.

[0024] Optionally, it also includes a height positioning module for positioning the welding height, including a first height positioning component and a second height positioning component fixedly connected to the tooling platform. The first height positioning component is integrally connected to the first mating column, and the second height positioning component is integrally connected to the first transverse dynamic positioning component, and the heights of the first height positioning component and the second height positioning component are the same.

[0025] By adopting the above technical solution, arranging height positioning components of the same height at different parts of the tooling platform can ensure that the welded parts are all at the same horizontal level when placed, thus ensuring that the welding requirements are met during welding and improving the integrity of the welded parts.

[0026] Optionally, the vertical positioning mechanism further includes a sixth vertical dynamic positioning component consisting of a first positioning support, a first moving rod, and a clamping block. The first positioning support is fixedly connected to the tooling platform. The side of the first moving rod has a groove that cooperates with the clamping block. The first moving rod moves within the first positioning support in a direction perpendicular to the horizontal plane. The clamping block cooperates with the groove of the first moving rod, and the clamping block is larger than the diameter of the first positioning support.

[0027] By adopting the above technical solution, the sixth vertical dynamic positioning component is used to clamp and fix the welded parts that have been placed in place in the vertical direction, making the overall welded parts more stable.

[0028] Optionally, it also includes a seventh vertical dynamic positioning component consisting of a second positioning support, a second moving rod, a clamping rod one, and a clamping rod two. The second positioning support is fixedly connected to the tooling platform. The second moving rod moves within the second positioning support in a direction perpendicular to the horizontal plane. One end of the clamping rod one is hinged to the end of the second positioning support away from the tooling platform. The other end of the clamping rod one is hinged to one end of the clamping rod two to form a hinge point. One end of the clamping rod two is hinged to the clamping rod one. The end of the clamping rod two away from the hinge point with the clamping rod one is hinged to the end of the second moving rod near the tooling platform. The clamping rod one and the clamping rod two rotate at the hinge point.

[0029] By adopting the above technical solution, the seventh vertical dynamic positioning component is used to clamp the welded parts, resulting in better fixation of the welded parts in the vertical direction.

[0030] In summary, this application includes at least one of the following beneficial technical effects:

[0031] 1. Improved welding quality: The tooling system ensures that the frame components remain stable during the welding process, reducing welding deformation and defects, thereby improving welding quality and strength.

[0032] 2. Improve production efficiency: The tooling system completes the assembly and placement of the overall vehicle frame structure during welding, which greatly reduces welding time and labor costs and improves production efficiency.

[0033] 3. Improved operational safety: Reduced manual welding operations, thus improving operational safety.

[0034] 4. Reduced energy consumption: Compared with manual welding, the tooling system can control welding parameters more precisely, reducing the waste of materials and energy and lowering production costs. Attached Figure Description

[0035] Figure 1 This is an exploded structural diagram of the vehicle frame in an embodiment of this application;

[0036] Figure 2 This is a schematic diagram of the overall structure of the vehicle frame in an embodiment of this application;

[0037] Figure 3 This is a schematic diagram of the overall structure of an embodiment of this application;

[0038] Figure 4 This is a top view of an embodiment of the present application;

[0039] Figure 5 This is a schematic diagram of the overall structure of the dynamic contact part in this embodiment;

[0040] Figure 6 This is a schematic diagram of the overall structure of the welding fixture for the transfer trailer frame in the embodiments of this application from perspective A;

[0041] Figure 7 This is a schematic diagram of the overall structure of the welding fixture for the transfer trailer frame in the embodiments of this application from the B-view perspective;

[0042] Figure 8 This is a schematic diagram of the main structure of the seventh vertical positioning component in the embodiments of this application;

[0043] Figure 9 This is a structural schematic diagram of the seventh vertical positioning component in its working state in the embodiments of this application;

[0044] Figure 10 This is a structural schematic diagram of the vehicle frame during welding in an embodiment of this application;

[0045] In the diagram, 01 is the front plate; 013 is the reinforcing block; 014 is the first positioning hole; 015 is the second positioning hole; 011 is the vertical plate; 012 is the horizontal plate; 02 is the rear plate; 021 is the matching groove; 03 is the connecting plate; 031 is the first plate; 032 is the second plate; 0321 is the horizontal plate; 0322 is the third positioning hole; 04 is the side plate; 041 is the vertical plate; 042 is the bent plate; 05 is the stabilizing plate; 1 is the tooling platform; 2 is the support frame assembly; 2 is the tooling platform. 1. First support assembly; 211. First column; 2111. First mounting hole; 2112. Pin; 212. Crossbeam; 213. First abutment rod; 2131. Fixing rod; 2132. Abutment rod; 2133. Rotating handle; 214. First mating post; 22. Second support assembly; 221. Second column; 2211. Second abutment rod; 2212. Abutment part; 23. First height positioning component; 3. First lateral dynamic positioning component; 311. Fixing part; 312. Dynamic abutment part; 313. Handle; 314. Abutment post; 32. Front support plate; 33. Second height positioning component; 4. First longitudinal dynamic positioning component; 41. First longitudinal static positioning component; 5. Second longitudinal dynamic positioning component; 51. Second longitudinal static positioning component; 6. Third longitudinal dynamic positioning component; 61. Third longitudinal static positioning component; 611. First positioning post; 612. Third abutment rod; 613. Square column; 614. Connecting cylinder; 615. Connecting ring; 7. Fourth longitudinal dynamic positioning component; 8. Fifth longitudinal dynamic positioning component; 9. Sixth vertical dynamic positioning component; 901. First positioning support column; 902. First moving rod; 903. Clamping block; 904. Groove; 91. Seventh vertical dynamic positioning component; 911. Second positioning support column; 912. Second moving rod; 913. Clamping rod one; 914. Clamping rod two; 915. Hinge point. Detailed Implementation

[0046] The following is in conjunction with the appendix Figure 1 - Appendix Figure 10 This application will be described in further detail below.

[0047] like Figure 1 As shown, the existing transport trailer frame structure includes a front plate 01, a rear plate 02, two side plates 04, two connecting plates 03 formed by connecting the first plate 031 and the second plate 032, and stabilizing plates 05 arranged on both sides respectively.

[0048] like Figure 2As shown, when the entire frame is placed on the tooling platform 1 for welding, the frame is in the transverse direction of welding along the orientation of the connecting plate 03. The first plate 031 is arranged at the bottom of the frame, passing through the rear plate 02 and the front plate 01. The two matching grooves 021 at the bottom of the rear plate 02 are positioned and welded to the vertically placed first plate 031. There are two first positioning holes 014 on the vertical plate 011 of the front plate 01 and four second positioning holes 015 on the horizontal plate 012 of the front plate 01. The first positioning holes 014 and the second positioning holes 015 are used for positioning and fixing when in conjunction with the tooling. The reinforcing block 013 on the front plate 01 abuts against the first plate 031 for positioning and welding is performed on the contact area between the front plate 01 and the first plate 031.

[0049] The second plate 032 is connected to the first plate 031 and is arranged in the area surrounded by the front plate 01 and the side plate 04. The two connecting plates 03 formed by the connection of the first plate 031 and the second plate 032 form a guiding and supporting effect on the bottom of the welded frame.

[0050] The second plate 032 has a third positioning hole 0322 on its horizontal plate 0321 that is positioned and matched with the tooling platform 1.

[0051] The bent plate 042 on the side plate 04 contacts the second plate 032, and the vertical plate 041 of the side plate 04 contacts and is welded to the horizontal plate 0321 of the second plate 032.

[0052] The bottom of the side beam and the rear plate 02 are reinforced by a stabilizing plate 05. The stabilizing plate 05 makes lateral contact with both the rear plate 02 and the side plate 04. The contact points are welded to enhance the lateral stability of the frame.

[0053] This application discloses a welding fixture for a transfer trailer frame, specifically as follows:

[0054] like Figure 3 As shown, a welding fixture for a transfer trailer frame includes a fixture platform 1 set on a horizontal plane and a positioning device located on the fixture platform 1 for positioning the welded parts.

[0055] A horizontal plane includes a plane that meets the requirements for tooling to operate, including a horizontal ground or a horizontal workbench.

[0056] The tooling platform 1 is equipped with a support frame group 2 for initial support and fixation of the welded parts. The support frame group 2 is located in the middle of the tooling platform 1. When the welded parts are installed into the tooling platform 1, the support frame group 2 is used for initial vertical positioning, which facilitates the rapid positioning of the welded parts during installation.

[0057] The positioning device includes a horizontal positioning mechanism and a vertical positioning mechanism. The horizontal positioning mechanism is used to position the welded parts parallel to the horizontal plane. The horizontal plane includes the transverse direction along the length of the tooling platform 1 and the longitudinal direction along the width of the tooling platform 1. The vertical positioning mechanism is used to position the welded parts perpendicular to the horizontal plane. The horizontal positioning mechanism positions the welded parts of the frame in the horizontal direction, which includes the longitudinal and transverse directions, on the tooling platform 1. The vertical positioning mechanism positions the welded parts of the frame in the direction perpendicular to the horizontal plane.

[0058] When the frame is positioned and installed, it is laterally positioned along the length of the connecting plate 03, and each plate is placed on the tooling platform 1 along the lateral positioning.

[0059] like Figure 4 As shown, in this embodiment, the support frame group 2 includes a first support group 21 consisting of a first column 211, a crossbeam 212, and a first mating column 214. The first support group 21 performs preliminary vertical positioning for the front plate 01 during installation.

[0060] Along the longitudinal direction of the tooling platform 1, a square first support column 211 is fixedly connected to the tooling platform 1 on both sides of the longitudinal edge of the tooling platform 1, perpendicular to the horizontal plane. The two first supports column 211 are parallel in the longitudinal direction and are located in the same longitudinal plane. The two first supports column 211 have the same height.

[0061] The two ends of the crossbeam 212 are respectively fixed to the end faces of the two first pillars 211 away from the tooling platform 1. The crossbeam 212 is set along the longitudinal direction. Two transverse through first mounting holes 2111 are opened in the middle of the crossbeam 212. The first mounting holes 2111 correspond to the first positioning holes 014 on the front plate 01. They are fixed by the pins 2112, and the front plate 01 is initially fixed on the first support group 21.

[0062] The first mating column 214 is a static positioning component that is vertically fixed on the tooling platform 1. The first mating column 214 is a square column that is vertically perpendicular to the horizontal plane. When the front plate 01 is installed, it abuts against the first mating column 214 for initial positioning.

[0063] In this embodiment, a first height positioning component 23 is fixedly connected to the tooling platform 1. The first height positioning component 23 and the first mating column 214 cooperate to form an "L"-shaped integrated structure. The first height positioning component 23 protrudes from the tooling platform 1 and the plane of the first height positioning component 23 away from the tooling platform 1 is parallel to the horizontal plane of the tooling platform 1. The first height positioning component 23 positions the second plate 032 in the horizontal direction so that there is a certain distance between the second plate 032 and the tooling platform 1.

[0064] In this embodiment, a first abutting rod 213 corresponding to the first mating post 214 is provided on the two first pillars 211, and the vertical plate 011 of the front plate 01 is vertically positioned between the first mating post 214 and the first abutting rod 213 for abutting and fixing.

[0065] Specifically, the first abutting rod 213 consists of a fixed rod 2131 and an abutting rod 2132 fixed on the first support column 211. The abutting rod 2132 is threadedly connected to the end of the fixed rod 2131 away from the first support column 211. A rotating handle 2133 is fixedly connected to the end of the abutting rod 2132. Rotating the rotating handle 2133 on the abutting rod 2132 causes the abutting rod 2132 to move laterally. After the front plate 01 is installed, the end away from the rotating handle 2133 abuts against the front plate 01 and corresponds to the first mating column 214 to achieve vertical fixation of the front plate 01.

[0066] In this embodiment, the horizontal positioning mechanism also includes a first positioning post 611, which is a cylinder fixedly connected to the tooling platform 1. The diameter of the cylinder is equal to the diameter of the third positioning hole 0322 on the second plate 032. The third positioning hole 0322 on the second plate 032 is passed through the first positioning post 611 and placed on the tooling platform 1 to achieve positioning of the second plate 032.

[0067] In this embodiment, the horizontal positioning mechanism also includes a second height positioning component 33 fixed on the tooling platform 1. The second height positioning component 33 consists of two longitudinally oriented square platforms. The height of the second height positioning component 33 is level with that of the first height positioning component 23. The first height positioning component 23 and the second height positioning component 33 cooperate to perform horizontal positioning of the second plate 032.

[0068] In this embodiment, the support frame group 2 further includes a second support group 22 consisting of a second pillar 221 and a second abutment rod 2211. The second support group 22 provides initial positioning for the rear plate 02.

[0069] The two second pillars 221 are similar in structure to the first pillar 211, and the second pillars 221 are also fixed to the tooling platform 1 perpendicular to the horizontal plane.

[0070] The second abutting rod 2211 is located on the side of the second support column 221 away from the first support column 211, perpendicular to the direction of the second support column 221. The second abutting rod 2211 consists of a fixed part 311 and a dynamic abutting part 312. The fixed part 311 is a square platform, and one side of the fixed part 311 is fixedly connected to the second support column 221. The dynamic abutting part 312 moves laterally on the fixed part 311 to abut against the rear plate 02.

[0071] like Figure 5As shown, the dynamic contact part 312 consists of a contact post 314 that moves laterally and a handle 313. Pressing the handle 313 or pulling the handle 313 causes the contact post 314 to move along the length direction of the fixed part 311.

[0072] In this embodiment, a first longitudinal dynamic positioning component 4 is fixed at the middle of the end of the two first pillars 211 away from the tooling platform 1. The first longitudinal dynamic positioning component 4 positions the vertical plate 041 of the side plate 04 longitudinally. The first longitudinal dynamic positioning component 4 is fixed to the tooling platform 1 by the fixing part 311. The dynamic abutting part 312 on the fixing part 311 abuts against the side plate 04 in the vertical direction to achieve preliminary longitudinal positioning.

[0073] like Figure 6 As shown, the horizontal positioning mechanism in this embodiment includes two first lateral dynamic positioning components 3 for lateral positioning of the side plate 04 and a front support plate 32. The first lateral dynamic positioning components 3 and the front support plate 32 perform preliminary lateral positioning of the bent plate 042 of the side plate 04.

[0074] In this embodiment, the front support plate 32 is a square plate that is large enough to cover and contact the bent plates 042 of the two side plates 04, and the side of the front support plate 32 corresponding to the side plates 04 is a flat plane. When the side plates 04 on both sides of the frame are installed on the tooling platform 1, the front support plate 32 is moved closer to the side plates 04 by the first lateral positioning member until the front support plate 32 abuts against the two side plates 04 respectively, so that the two side plates 04 are positioned and aligned in the lateral direction.

[0075] Two first lateral dynamic positioning components 3 are fixed on the upper edge of the tooling platform 1, which is far away from the second support group 22.

[0076] Specifically, the first lateral dynamic positioning member 3 consists of a fixed part 311 and a dynamic abutment part 312.

[0077] The fixed part 311 of the square platform is fixedly connected to the tooling platform 1, and the dynamic contact part 312 moves in the lateral direction on the fixed part 311.

[0078] The fixing part 311 and the second height positioning part 33 are connected as an integral structure.

[0079] like Figure 3 As shown, in this embodiment, the horizontal positioning mechanism also includes a first longitudinal static positioning member 41 composed of a double-layer cylinder. The bottom cylinder of the first longitudinal static positioning member 41 is fixedly connected to the tooling platform 1. The side plate 04 is initially positioned longitudinally through the bottom cylinder. The first longitudinal static positioning member 41 ensures the limiting and fixing of the bent part of the side plate 04.

[0080] In this embodiment, the horizontal positioning mechanism also includes a first longitudinal dynamic positioning component 4 and a second longitudinal dynamic positioning component 5. The first longitudinal dynamic positioning component 4 and the second longitudinal dynamic positioning component 5 have the same structure as the first transverse dynamic positioning component 3. The side plate 04 is positioned and fixed by the first longitudinal dynamic positioning component 4, the second longitudinal dynamic positioning component 5, the first transverse dynamic positioning component 3 and the front support plate 32.

[0081] Two second longitudinal dynamic positioning members 5 are arranged opposite each other in the longitudinal direction of the two side plates 04. The two second longitudinal dynamic positioning members 5 are also connected to the tooling platform 1 through the fixing part 311 of the square platform. The abutment post 314 on each second longitudinal dynamic positioning member 5 positions the vertical plate 041 of the side plate 04 by longitudinal abutment, so that the side plates 04 on both sides are longitudinally positioned and flush with the first longitudinal dynamic positioning member 4 in the vertical direction.

[0082] In this embodiment, the horizontal positioning mechanism also includes a third longitudinal dynamic positioning component 6, which has the same structure as the first longitudinal dynamic positioning component 4. It is fixedly connected between the first pillar 211 and the second pillar 221 through the fixing part 311 of the square platform, and the stabilizing rod is fixed by the abutting post 314 of the dynamic abutting part 312.

[0083] The horizontal positioning mechanism also includes a third longitudinal static positioning component 61, which is longitudinally fixed to the edge of the tooling platform 1 near the second support column 221. The third longitudinal static positioning component 61 is a concave boss with both sides higher than the middle, and the outer sides of the boss abut against the first plate 031.

[0084] When the first plate 031 is installed, it will be abutted against the longitudinal sides of the third longitudinal static positioning member 61 to achieve the initial positioning of the first plate 031.

[0085] In this embodiment, there is a fourth longitudinal dynamic positioning member 7 between the second pillar 221 and the third longitudinal static positioning member 61. The fourth longitudinal dynamic positioning member 7 is fixedly connected to the tooling platform 1 through the fixing part 311. The dynamic abutting part 312 of the fixing part 311 moves in the longitudinal direction, and the abutting column 314 on the dynamic abutting part 312 abuts and positions the stabilizing plate 05 in the longitudinal direction.

[0086] Specifically, a second longitudinal static positioning component 51 is fixedly connected to the tooling platform 1 corresponding to the fourth longitudinal dynamic positioning component 7. The second longitudinal static positioning component 51 and the fourth longitudinal dynamic positioning component 7 are integrally set, and the height of the second longitudinal static positioning component 51 is higher than the height of the fixing part 311 of the fourth longitudinal dynamic positioning component 7. The second longitudinal static positioning component 51 corresponds to the abutting post 314 on the fourth longitudinal dynamic positioning component 7. The stabilizing plate 05 placed between the abutting post 314 and the second longitudinal static positioning component 51 achieves the effect of longitudinal fixation of the stabilizing plate 05 through the abutting of the abutting post 314.

[0087] In this embodiment, two fifth longitudinal dynamic positioning elements 8 corresponding to the third longitudinal static positioning element 61 are also included. The fifth longitudinal dynamic positioning elements 8 have the same structure as the first longitudinal positioning element.

[0088] Specifically, the abutment post 314 on the dynamic abutment part 312 moves longitudinally, the abutment post 314 moves close to the third longitudinal static positioning member 61, and the two fifth longitudinal dynamic positioning members 8 are positioned and move towards the third longitudinal static positioning member 61.

[0089] Specifically, pressing the handle 313 on the dynamic positioning member causes the abutment post 314 to be pushed out. The abutment post 314 presses and fixes the first plate 031 between the third longitudinal static positioning members 61, thus achieving the effect of longitudinal fixation of the first plate 031. The abutment post 314 can also be pushed by a cylinder.

[0090] The principle between the fifth longitudinal dynamic positioning element 8 and the third longitudinal static positioning element 61 is the same as the abutment principle between the fourth longitudinal dynamic positioning element 7 and the second longitudinal static positioning element 51.

[0091] like Figure 7 As shown, in this embodiment, the vertical positioning mechanism also includes four sixth vertical dynamic positioning components 9 between the first support group 21 and the second support group 22. One end of the cylindrical first positioning support column 901 on the sixth vertical dynamic positioning component 9 is fixedly connected to the tooling platform 1. The diameter of the first positioning support column 901 is larger than the diameter of the second positioning hole 015 on the horizontal plate 012. When the horizontal plate 012 of the front plate 01 is placed, the lower surface abuts against the end of the first positioning support column 901 away from the tooling platform 1, so as to perform preliminary positioning of the front plate 01 in the vertical direction.

[0092] Specifically, a cylinder is installed inside the first positioning support 901. The piston end of the cylinder is fixedly connected to the first moving rod 902 to drive the first moving rod 902 to move vertically in the first positioning support 901. The side of the first moving rod 902 away from the tooling platform 1 has a groove 904 that corresponds to and cooperates with the clamping block 903. The diameter of the first moving rod 902 is smaller than the diameter of the first positioning support 901. When the front plate 01 falls on the first positioning support 901, the first moving rod 902 passes through the second positioning hole 015 opened on the front plate 01.

[0093] The diameter of the clamping block 903, which corresponds to the groove 904, is larger than the diameter of the second positioning hole 015 opened on the front plate 01. The clamping block 903 is a disc with an opening.

[0094] When installing the front plate 01, first pass the second positioning hole 015 on the front plate 01 through the first moving rod 902 and place it against the first positioning support 901. Control the moving rod to rise until the groove 904 on the first moving rod 902 protrudes from the second positioning hole 015. By cooperating the opening of the clamping block 903 with the groove 904 on the first moving rod 902, the clamping block 903 is snapped into the first moving rod 902. The piston inside the first positioning support 901 drives the first moving rod 902 and the clamping block 903 to move towards the tooling platform 1 until the clamping block 903 achieves vertical abutment and limit fixation of the front plate 01.

[0095] like Figures 8-9 As shown, in other embodiments, the seventh vertical dynamic positioning component 91 chamber includes a second positioning support 911, a second moving rod 912, a clamping rod one 913, and a clamping rod two 914. The second positioning support 911 is a cylinder with a diameter larger than the diameter of the second positioning hole 015. The end face of the second positioning support 911 away from the tooling platform 1 contacts the front plate 01 to perform initial positioning by abutting against the front plate 01. The second moving rod 912 passes through the second positioning hole 015 on the horizontal plate 012 of the front plate 01 and moves vertically in the second positioning support 911. The end face of the second moving rod 912 close to the tooling platform 1 and the end face of the upper cylinder away from the tooling platform 1 are hinged to each other by the clamping rod one 913 and the clamping rod two 914.

[0096] Specifically, one end of clamping rod 913 is hinged to the end of the second moving rod 912 away from the tooling platform 1, and the other end of clamping rod 913 is hinged to one end of clamping rod 914. The other end of clamping rod 914 away from the hinge point 915 with clamping rod 913 is hinged to the end face of the second positioning support 911 away from the tooling platform 1. The clamping rod 913 and the clamping rod 914 rotate at the hinge point 915.

[0097] When the second moving rod 912 moves up and down, the clamping rod 1 913 and the clamping rod 2 914 move in opposite directions away from the moving rod along the horizontal hinge connection point. The clamping rod 1 913 and the clamping rod 2 914 are folded together. After folding, the distance between the farthest ends of the two rods is greater than the second positioning hole 015. The folded clamping rod 1 913 and the clamping rod 2 914 form a vertical positioning and fixation on the front plate 01.

[0098] In this embodiment, the vertical positioning mechanism also includes a third abutment rod 612.

[0099] Specifically, the third abutting rod 612 includes a square column 613 fixed on the tooling platform 1 and an abutting part 2212. The square column 613 is fixedly connected to the tooling platform 1 perpendicular to the horizontal plane. The end of the square column 613 away from the tooling platform 1 passes through and is fixedly connected to a cylindrical column 614. The end of the cylindrical column 614 away from the square column 613 has a connecting ring 615. The abutting rod 2132 is threadedly rotatably connected to the connecting ring 615. The abutting rod 2132 moves in the vertical direction perpendicular to the horizontal plane. The end of the abutting rod 2132 away from the tooling platform 1 is fixed with a square rotating handle 2133. By rotating the rotating handle 2133, the vertical movement of the abutting rod 2132 is controlled, so that the abutting rod 2132 abuts against the second plate 032, thereby fixing the second plate 032 in the vertical direction.

[0100] In this embodiment, the third abutment rod 612 has the same structure as the first abutment rod 213.

[0101] Implementation principle: such as Figure 10As shown, during the installation and welding of the chassis components, the tooling platform 1 is placed on a horizontal surface. The first plate 031 of the two connecting plates 03 is vertically placed between the third longitudinal static positioning member 61 and the fifth longitudinal dynamic positioning member 8. The dynamic abutment part 312 on the fifth longitudinal dynamic positioning member 8 is pushed, causing the abutment post 314 to move longitudinally, bringing the first plate 031 into contact with the third longitudinal static positioning member 61. The third positioning hole 0322 on the second plate 032 is aligned with the first positioning post 611 and passed through, making the second plate 032 horizontal. Placed on the horizontal plane maintained by the first height positioning member 23 and the second height positioning member 33; the vertical plate 011 of the front plate 01 abuts against the vertical end of the first mating post 214, and the pin 2112 passes through the two first positioning holes 014 and the two first mounting holes 2111. The four second positioning holes 015 on the horizontal plate 012 of the front plate 01 pass through the four sixth vertical dynamic positioning members 9 respectively. The opening on the clamping block 903 is aligned with the groove 904 on the moving rod. When the moving rod falls, because the diameter of the clamping block 903 is larger than the second positioning member 2114, the opening is aligned with the groove 904 on the moving rod. The diameter of the positioning hole 015 is used to achieve vertical positioning and fixation of the front plate 01. When the side plate 04 is placed, the bent plate 042 of the side plate 04 abuts against the bottom cylinder of the first longitudinal static positioning member 41 to initially position the bent plate 042. The front support plate 32 abuts against the bent plates 042 of the two side plates 04 to achieve lateral positioning. The front support plate 32 is pushed laterally by the abutting column 314 on the first lateral dynamic positioning member 3. The dynamic abutting part 312 of the first longitudinal dynamic positioning member 4 on the two first pillars 211 and the front support plate 32 are then moved laterally. The dynamic abutment portions 312 on the two opposing second longitudinal dynamic positioning members 5 achieve longitudinal positioning and fixation of the side plate 04; the rear plate 02 abuts against the two second pillars 221 of the second support group 22, and the two matching grooves 021 at the bottom of the rear plate 02 are vertically corresponding to and cooperate with the first plate 031. The rear plate 02 is pushed by the abutment portions 2212 of the four second abutment rods 2211 on the two second pillars 221, so that the rear plate 02 achieves lateral positioning and fixation. The stabilizing plate 05 is fixed inside the connection point between the side plate 04 and the rear plate 02.

[0102] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. A welding tool for a transport trailer frame, comprising a tool platform (1) arranged on a horizontal plane and a positioning device on the tool platform (1) for positioning a welding piece, characterized in that It also includes a support frame assembly (2), which is set on the tooling platform (1) and is used to provide initial support and fixation for the welded parts; The positioning device includes a horizontal positioning mechanism and a vertical positioning mechanism. The horizontal positioning mechanism is used to position the welded part in a direction parallel to the horizontal plane. The direction of the horizontal plane includes a transverse direction along the length of the tooling platform (1) and a longitudinal direction along the width of the tooling platform (1). The vertical positioning mechanism is used to position the welded part in a direction perpendicular to the horizontal plane. The support frame assembly (2) includes a first support group (21) consisting of a first support column (211), a crossbeam (212), and a first mating column (214). The two first support columns (211) are fixedly connected to the tooling platform (1) in a direction perpendicular to the horizontal plane. The two ends of the crossbeam (212) are respectively fixedly connected to the ends of the two first support columns (211) away from the tooling platform (1). The crossbeam (212) is provided with a first mounting hole (2111) for the pin (2112) to pass through. The first mating column (214) is fixedly connected to the tooling platform (1). The two first support columns (211) are each provided with a first abutment rod (213) that moves laterally. The first abutment rod (213) corresponds to the first mating column (214). It also includes a second support group (22) consisting of a second pillar (221) and a second abutment rod (2211). The two second pillars (221) are fixedly connected to the tooling platform (1) in a direction perpendicular to the horizontal plane. The second abutment rod (2211) is arranged on the second pillar (221) and moves in the lateral direction. The horizontal positioning mechanism includes a first transverse dynamic positioning component (3) and a front support plate (32). The first transverse dynamic positioning component (3) is disposed on the tooling platform (1) and moves along the transverse direction. The front support plate (32) is fixedly connected to the first transverse dynamic positioning component (3) and moves along the transverse direction with the first transverse dynamic positioning component (3). The front support plate (32) is used to abut against the welded part. It also includes a first longitudinal dynamic positioning component (4), a second longitudinal dynamic positioning component (5) and a first longitudinal static positioning component (41). The first longitudinal dynamic positioning component (4) is disposed on the tooling platform (1), the second longitudinal dynamic positioning component (5) is disposed on the tooling platform (1), and the first longitudinal dynamic positioning component (4) and the second longitudinal dynamic positioning component (5) move along the longitudinal direction. The first longitudinal static positioning component (41) is fixedly connected to the tooling platform (1) and is located on the side of the second longitudinal dynamic positioning component (5) away from the first longitudinal dynamic positioning component (4). The vertical positioning mechanism includes a first positioning post (611) and a third abutting rod (612). The first positioning post (611) is fixedly connected to the tooling platform (1), and the third abutting rod (612) is disposed on the tooling platform (1) and moves toward the tooling platform (1) in a direction perpendicular to the horizontal plane.

2. The transfer trailer frame welding fixture of claim 1, wherein, The horizontal positioning mechanism includes a third longitudinal dynamic positioning component (6), which is disposed on the tooling platform (1) and located between the first support column (211) and the second support column (221). The third longitudinal dynamic positioning component (6) moves along the longitudinal direction.

3. The transfer trailer frame welding fixture of claim 1, wherein, The horizontal positioning mechanism includes a fourth longitudinal dynamic positioning component (7) and a second longitudinal static positioning component (51). The fourth longitudinal dynamic positioning component (7) is disposed on the tooling platform (1) and moves along the longitudinal direction. The second longitudinal static positioning component (51) is fixedly connected to the tooling platform (1) and is located in the moving direction of the fourth longitudinal dynamic positioning component (7) to correspond to the fourth longitudinal dynamic positioning component (7).

4. The transfer trailer frame welding fixture of claim 1, wherein, The horizontal positioning mechanism includes a fifth longitudinal dynamic positioning component (8) and a third longitudinal static positioning component (61). The fifth longitudinal dynamic positioning component (8) is fixed on the tooling platform (1) and moves along the longitudinal direction. The third longitudinal static positioning component (61) is fixedly connected to the tooling platform (1) and is located in the moving direction of the fifth longitudinal dynamic positioning component (8) to correspond to the fifth longitudinal dynamic positioning component (8).

5. The transfer trailer frame welding fixture of claim 1, wherein, It also includes a height positioning module for positioning the welding height, including a first height positioning component (23) and a second height positioning component (33) fixedly connected to the tooling platform (1). The first height positioning component (23) is integrally connected to the first mating column (214), and the second height positioning component (33) is integrally connected to the first transverse dynamic positioning component (3). The heights of the first height positioning component (23) and the second height positioning component (33) are the same.

6. The transfer trailer frame welding fixture of claim 1, wherein, The vertical positioning mechanism further includes a sixth vertical dynamic positioning component (9) consisting of a first positioning support (901), a first moving rod (902), and a clamping block (903). The first positioning support (901) is fixedly connected to the tooling platform (1). The side of the first moving rod (902) is provided with a groove (904) that cooperates with the clamping block (903). The first moving rod (902) moves in the first positioning support (901) in a direction perpendicular to the horizontal plane. The clamping block (903) is connected to the groove (904) of the first moving rod (902), and the diameter of the clamping block (903) is larger than the diameter of the first positioning support (901).

7. The transfer trailer frame welding fixture of claim 1 wherein, It also includes a seventh vertical dynamic positioning component (91) consisting of a second positioning support (911), a second moving rod (912), a clamping rod one (913), and a clamping rod two (914). The second positioning support (911) is fixedly connected to the tooling platform (1). The second moving rod (912) moves within the second positioning support (911) in a direction perpendicular to the horizontal plane. One end of the clamping rod one (913) is hinged to the end of the second positioning support (911) away from the tooling platform (1). Then, the other end of the clamping rod one (913) is hinged to one end of the clamping rod two (914) to form a hinge point (915). One end of the clamping rod two (914) is hinged to the clamping rod one (913). The end of the clamping rod two (914) away from the hinge point (915) with the clamping rod one (913) is hinged to the end of the second moving rod (912) near the tooling platform (1). The clamping rod one (913) and the clamping rod two (914) rotate at the hinge point (915).

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