Clamp tool for welding rear anti-collision beam assembly

Abstract

The embodiment of the invention provides a clamp tool for welding of a rear anti-collision beam assembly. The clamp tool comprises a base, a clamping device and a clamping device, the first clamp assembly is connected with the base, the first clamp assembly is provided with a first clamping space used for containing the rear anti-collision beam assembly, and when the rear anti-collision beam assembly is located in the first clamping space, the first welding face of the rear anti-collision beam assembly deviates from the base; and the second clamp assembly is connected with the base, the second clamp assembly is provided with a second clamping space used for containing the rear anti-collision beam assembly, and when the rear anti-collision beam assembly is located in the second clamping space, the second welding face of the rear anti-collision beam assembly deviates from the base. According to the layout of the clamp tool, one-time transfer is carried out on the same station, clamping of the front face and the back face of the rear anti-collision beam assembly can be completed, that is, the same set of welding tool is used on the same station to complete all welding of the rear anti-collision beam assembly, production cost can be reduced, the welding takt is ensured, and production efficiency is improved.

Description

Technical Field

[0001] This application relates to the field of welding technology for rear bumper beam assemblies, and more specifically, to a fixture for welding rear bumper beam assemblies. Background Technology

[0002] Currently, the welding of rear bumper beam assemblies typically employs multi-process fixtures to weld different areas. In particular, when welding the front and back sides is involved, additional fixtures and manual operations are often required. This not only increases production costs but also leads to an imbalance in the welding cycle, thereby affecting overall production efficiency.

[0003] There is currently no good solution to the technical problem of low welding efficiency in the rear bumper beam assembly in existing technologies. Summary of the Invention

[0004] This application provides a fixture for welding a rear bumper beam assembly, which at least solves the technical problem of low welding efficiency of the rear bumper beam assembly in the prior art.

[0005] According to one aspect of the embodiments of this application, a fixture for welding a rear bumper beam assembly is provided, comprising: a base; a first fixture assembly connected to the base, the first fixture assembly having a first clamping space for accommodating the rear bumper beam assembly, wherein when the rear bumper beam assembly is located in the first clamping space, a first welding surface of the rear bumper beam assembly faces away from the base; and a second fixture assembly connected to the base, the second fixture assembly having a second clamping space for accommodating the rear bumper beam assembly, wherein when the rear bumper beam assembly is located in the second clamping space, a second welding surface of the rear bumper beam assembly faces away from the base.

[0006] Further, the first clamping assembly includes: a first positioning mechanism, of which there are at least two sets, the at least two sets of first positioning mechanisms being spaced apart along the length direction of the rear bumper beam assembly, the first positioning mechanism having a first positioning element for inserting and engaging with the rear bumper body; and a second positioning mechanism, of which there are at least two sets, the at least two sets of second positioning mechanisms being spaced apart along the rear bumper beam assembly, the second positioning mechanism having at least one second positioning element, the at least one set of second positioning mechanisms being used for inserting and engaging with the left end plate through the second positioning element, and the at least one set of second positioning mechanisms being used for inserting and engaging with the right end plate through the second positioning element.

[0007] Furthermore, the first positioning mechanism also includes: a first mounting base connected to a base, the first mounting base having a first positioning element, the first positioning element being a vertically arranged positioning post; a first auxiliary clamping element fixedly connected to the first mounting base; a second auxiliary clamping element rotatably connected to the first mounting base, the second auxiliary clamping element and the first auxiliary clamping element forming a first clamping space for clamping the rear anti-collision body; and a first driving element, the fixed end of the first driving element connected to the first mounting base, the driving end of the first driving element connected to the second auxiliary clamping element, so as to drive the second auxiliary clamping element to rotate relative to the first mounting base.

[0008] Furthermore, the second positioning mechanism also includes: a second mounting base connected to a base, on which two second positioning members are movably provided, each of which is a vertically arranged positioning post; a third auxiliary clamping member, of which there are at least two, each of which is fixed to the second mounting base; a fourth auxiliary clamping member, of which there are at least two, which are arranged in a one-to-one correspondence with the third auxiliary clamping members, each of which is rotatably connected to the second mounting base, and a second clamping space for clamping the left end plate and the right end plate is formed between the fourth auxiliary clamping member and the third auxiliary clamping member; and a second driving member, the fixed end of which is connected to the second mounting base, and the driving end of which is used to drive the fourth auxiliary clamping member to rotate relative to the second mounting base and to drive the second positioning member to move relative to the second mounting base.

[0009] Furthermore, the first clamping assembly also includes: a clamping mechanism, wherein there are multiple clamping mechanisms, which are spaced apart along the length direction of the rear bumper beam assembly. Each clamping mechanism has a first clamping member and a second clamping member, and a third clamping space is formed between the first clamping member and the second clamping member. The first clamping member is movably disposed relative to the second clamping member. The first clamping member has a first position clamping with the rear bumper body and a second position separating from the rear bumper body.

[0010] Furthermore, the first clamp assembly also includes: a first lifting mechanism, the first lifting mechanism having a first lifting part, the first lifting part being movably arranged in the vertical direction, the first lifting part having a lifting position located below the rear anti-collision body and supporting the rear anti-collision body.

[0011] Furthermore, the second clamping assembly includes a third positioning mechanism, which consists of two sets of third positioning mechanisms. The two sets of third positioning mechanisms are spaced apart along the length of the rear bumper beam assembly. Each third positioning mechanism has a third positioning element, which is used to engage with the edge of the rear bumper body to restrict the rear bumper body from moving in a preset direction.

[0012] Furthermore, the third positioning mechanism is connected to the base via the third mounting seat, and the third positioning component is connected to the third mounting seat. One set of the third positioning mechanisms is provided with a pressing component, which is rotatably connected to the third mounting seat via the first connecting component. The pressing component has a pressing position for pressing with the rear trailer hook nut.

[0013] Furthermore, the third positioning mechanism also includes: a fifth clamping member connected to the third mounting base; and a sixth clamping member connected to the first connecting member, forming a fourth clamping space between the sixth clamping member and the fifth clamping member for clamping the left end plate or the right end plate.

[0014] Furthermore, the third positioning mechanism also includes: a first support member, which is fixedly connected to the third mounting base, and the first support member is used to abut against the end of the right end plate and the left end plate away from the rear anti-collision body.

[0015] In the embodiments of this application, both the first clamping assembly and the second clamping assembly are connected to the base, meaning they are integrated on the same workstation. When the first clamping assembly clamps the rear bumper beam assembly, it welds the first welding surface of the rear bumper beam assembly; when the second clamping assembly clamps the rear bumper beam assembly, it welds the second welding surface of the rear bumper beam assembly. This fixture layout allows for clamping of both sides of the rear bumper beam assembly in a single transfer at the same workstation. In other words, using the same set of welding fixtures at the same workstation allows for the complete welding of the rear bumper beam assembly, reducing production costs and minimizing the number of transfers of the rear bumper beam assembly, ensuring welding cycle time and improving production efficiency. Attached Figure Description

[0016] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0017] Figure 1 This is a schematic diagram of the layout of the fixtures and tooling in this application;

[0018] Figure 2 This is a schematic diagram of the fixture in this application;

[0019] Figure 3 This is a frontal schematic diagram of the rear bumper beam assembly in this application;

[0020] Figure 4 This is a reverse schematic diagram of the rear bumper beam assembly in this application;

[0021] Figure 5 This is a schematic diagram of the first positioning mechanism in this application;

[0022] Figure 6 This is a schematic diagram of the second positioning mechanism in the first embodiment of this application;

[0023] Figure 7 This is a schematic diagram of the second positioning mechanism in the second embodiment of this application;

[0024] Figure 8 This is a schematic diagram of the second positioning mechanism in the third embodiment of this application;

[0025] Figure 9 This is a schematic diagram of the second positioning mechanism in the fourth embodiment of this application;

[0026] Figure 10 This is a schematic diagram of the clamping mechanism in the first embodiment of this application;

[0027] Figure 11 This is a schematic diagram of the clamping mechanism in the second embodiment of this application;

[0028] Figure 12 This is a schematic diagram of the clamping mechanism in the third embodiment of this application;

[0029] Figure 13 This is a schematic diagram of the first lifting mechanism in this application;

[0030] Figure 14 This is a partial schematic diagram of the first clamping assembly in this application;

[0031] Figure 15 This is a schematic diagram of the third positioning mechanism in the first embodiment of this application;

[0032] Figure 16 This is a schematic diagram of the third positioning mechanism in the second embodiment of this application;

[0033] Figure 17 This is a schematic diagram of the second lifting mechanism in this application;

[0034] Figure 18 This is a schematic diagram of the second clamping assembly in this application.

[0035] The above figures include the following reference numerals:

[0036] 1. Base;

[0037] 2. First clamping assembly;

[0038] 21. First positioning mechanism; 211. First mounting base; 212. First auxiliary clamping component; 213. Second auxiliary clamping component; 214. First driving component; 215. First connecting plate; 216. Second connecting plate; 217. First positioning component;

[0039] 22. Second positioning mechanism; 221. Second mounting base; 222. Third auxiliary clamping component; 223. Fourth auxiliary clamping component; 224. Second driving component; 225. Third connecting plate; 226. Fourth connecting plate; 227. Second positioning component; 228. Third support component;

[0040] 23. Clamping mechanism; 231. First clamping member; 232. Second clamping member; 233. Fourth driving member; 234. Second support member; 235. Displacement sensor; 236. Fourth mounting base; 237. Fifth connecting plate; 238. Sixth connecting plate;

[0041] 24. First lifting mechanism; 241. First lifting part; 242. Fifth driving component; 243. Connecting beam; 244. Fifth mounting base;

[0042] 3. Second clamping assembly;

[0043] 31. Third positioning mechanism; 311. Third positioning component; 312. First support component; 313. Pressing component; 314. Third driving component; 315. Fifth clamping component; 316. Sixth clamping component; 317. First connecting component; 318. Second connecting component; 319. Third mounting base;

[0044] 32. Second lifting mechanism; 321. Second lifting section; 322. Sixth connecting seat;

[0045] 4. Rear bumper beam assembly;

[0046] 41. Rear bumper body; 411. First through hole; 412. Second through hole; 42. Left end plate; 43. Right end plate; 44. Rear trailer hook nut; 45. End plate through hole. Detailed Implementation

[0047] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0048] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0049] Exemplary embodiments according to this application will now be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments may be implemented in many different forms and should not be construed as being limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that the disclosure of this application is thorough and complete, and that the concept of these exemplary embodiments is fully conveyed to those skilled in the art. In the drawings, for clarity, the thickness of layers and regions may be exaggerated, and the same reference numerals are used to denote the same devices, and therefore their description will be omitted.

[0050] Combination Figures 1 to 18 As shown, according to a specific embodiment of this application, a fixture is provided for welding the rear bumper beam assembly 4.

[0051] Specifically, the fixture for welding the rear bumper beam assembly 4 includes: a base 1, a first fixture assembly 2, and a second fixture assembly 3. The first fixture assembly 2 is connected to the base 1 and has a first clamping space for accommodating the rear bumper beam assembly 4. When the rear bumper beam assembly 4 is located within the first clamping space, the first welding surface of the rear bumper beam assembly 4 faces away from the base 1. The second fixture assembly 3 is connected to the base 1 and has a second clamping space for accommodating the rear bumper beam assembly 4. When the rear bumper beam assembly 4 is located within the second clamping space, the second welding surface of the rear bumper beam assembly 4 faces away from the base 1.

[0052] In the embodiments of this application, both the first clamping assembly 2 and the second clamping assembly 3 are connected to the base 1, meaning that the first clamping assembly 2 and the second clamping assembly 3 are integrated on the same workstation. When the first clamping assembly 2 clamps the rear bumper beam assembly 4, it welds the first welding surface of the rear bumper beam assembly 4. When the second clamping assembly 3 clamps the rear bumper beam assembly 4, it welds the second welding surface of the rear bumper beam assembly 4. This fixture layout allows for the clamping of both sides of the rear bumper beam assembly 4 in a single transfer at the same workstation. In other words, using the same set of welding fixtures at the same workstation allows for the complete welding of the rear bumper beam assembly 4, reducing production costs and minimizing the number of transfers of the rear bumper beam assembly 4, ensuring welding cycle time and improving production efficiency.

[0053] like Figure 1 As shown, the first clamping assembly 2 and the second clamping assembly 3 are both connected to the base 1, and the first clamping assembly 2 and the second clamping assembly 3 are spaced apart along the width direction of the base 1.

[0054] like Figure 3 and Figure 4 As shown, the rear bumper beam assembly 4 includes: a rear bumper body 41, a left end plate 42, a right end plate 43, and a rear trailer hitch nut 44. The front of the rear bumper body 41 is a first welding surface, and the back of the rear bumper body 41 is a second welding surface. The left end plate 42 and the right end plate 43 are welded to the first welding surface of the rear bumper body 41, and the rear trailer hitch nut 44 is welded to the second welding surface of the rear bumper body 41. The rear trailer hitch nut 44 is positioned opposite to the right end plate 43. The rear bumper body 41 is provided with a first through hole 411 and a second through hole 412. The first through hole 411 and the second through hole 412 are spaced apart along the length of the rear bumper body 41. The first through hole 411 is located near the left end plate 42, and the second through hole 412 is located near the right end plate 43. Eight welds are required between the rear bumper body 41 and the left end plate 42, eight welds are required between the rear bumper body 41 and the right end plate 43, and three welds are required between the rear trailer hook nut 44 and the rear bumper body 41.

[0055] Further, the first clamping assembly 2 includes: a first positioning mechanism 21 and a second positioning mechanism 22. There are at least two sets of first positioning mechanisms 21, spaced apart along the length of the rear bumper beam assembly 4. Each first positioning mechanism 21 has a first positioning element 217 for insertion into the rear bumper body 41. There are at least two sets of second positioning mechanisms 22, spaced apart along the rear bumper beam assembly 4. Each second positioning mechanism 22 has at least one second positioning element 227. At least one set of second positioning mechanisms 22 is used for insertion into the left end plate 42 via the second positioning element 227, and at least one set of second positioning mechanisms 22 is used for insertion into the right end plate 43 via the second positioning element 227.

[0056] In the embodiments of this application, at least two sets of first positioning mechanisms 21 are engaged with the rear bumper body 41 via first positioning elements 217 to position the rear bumper body 41 and prevent it from moving during welding. At least one set of second positioning mechanisms 22 are engaged with the left end plate 42 via second positioning elements 227 to align the left end plate 42 with the rear bumper body 41. At least one set of second positioning mechanisms 22 are engaged with the right end plate 43 via second positioning elements 227 to align the right end plate 43 with the rear bumper body 41, preventing the left end plate 42 and right end plate 43 from moving relative to the rear bumper body 41 during welding. Furthermore, the first positioning mechanisms 21 and the second positioning mechanisms 22 can quickly and accurately position the rear bumper body 41 and its end plates on the fixture, reducing manual adjustment time and improving operational convenience and efficiency.

[0057] Specifically, the first positioning mechanism 21 further includes: a first mounting base 211, a first auxiliary clamping member 212, a second auxiliary clamping member 213, and a first driving member 214. The first mounting base 211 is connected to the base 1, and a first positioning member 217 is provided on the first mounting base 211. The first positioning member 217 is a vertically arranged positioning post. The first auxiliary clamping member 212 is fixedly connected to the first mounting base 211, and the second auxiliary clamping member 213 is rotatably connected to the first mounting base 211. A first clamping space for clamping the rear anti-collision body 41 is formed between the second auxiliary clamping member 213 and the first auxiliary clamping member 212. The fixed end of the first driving member 214 is connected to the first mounting base 211, and the driving end of the first driving member 214 is connected to the second auxiliary clamping member 213 to drive the second auxiliary clamping member 213 to rotate relative to the first mounting base 211.

[0058] In the embodiments of this application, the first positioning member 217 is a vertically arranged positioning post that is inserted into the through hole on the rear anti-collision body 41 to achieve initial positioning. On this basis, the first auxiliary clamping member 212 and the second auxiliary clamping member 213 provide a stable support point for the rear anti-collision body 41 to ensure that the rear anti-collision body 41 will not be displaced during the welding process. In addition, the first auxiliary clamping member 212 and the second auxiliary clamping member 213 are integrated on the first positioning mechanism 21, making the structure of the fixture more compact and thus reducing the floor space.

[0059] like Figure 1 , Figure 2 , Figure 5As shown, the rear bumper beam assembly 4 is placed along the length of the base 1 during the welding process. There are two first positioning mechanisms 21, spaced apart along the length of the base 1. Each first positioning mechanism 21 includes: a first mounting base 211, a first auxiliary clamping member 212, a second auxiliary clamping member 213, a first driving member 214, a first connecting plate 215, a second connecting plate 216, and a first positioning member 217. The first positioning mechanism 21 is fixedly connected to the base 1 via the first mounting base 211. The first connecting plate 215 is connected to the upper part of the first mounting base 211 and extends vertically upwards. The second connecting plate 216 is rotatably connected to the first connecting plate 215. The first driving member 214 is a cylinder; its fixed end is connected to the lower part of the first mounting base 211, and its driving end is connected to the second connecting plate 216. The first driving member 214 drives the second connecting plate 216 to rotate relative to the first connecting plate 215. The first auxiliary clamping member 212 is connected to the top surface of the first connecting plate 215, and the second auxiliary clamping member 213 is connected to the top surface of the second connecting plate 216. The second auxiliary clamping member 213 and the first auxiliary clamping member 212 are arranged vertically opposite each other, and a first clamping space is formed between the second auxiliary clamping member 213 and the first auxiliary clamping member 212. The driving end of the first driving member 214 moves upward, which can clamp the rear anti-collision body 41 in the first clamping space. The driving end of the first driving member 214 moves downward, which can move the second auxiliary clamping member 213 away from the first auxiliary clamping member 212, so as to remove the rear anti-collision body 41 from the first clamping space.

[0060] like Figure 2 As shown, one of the first positioning mechanisms 21 is inserted into the first through hole 411 on the rear bumper body 41 via the first positioning member 217, and the other first positioning mechanism 21 is inserted into the second through hole 412 on the rear bumper body 41 via the first positioning member 217, thereby performing preliminary positioning of the rear bumper body 41. The first auxiliary clamping member 212 and the second auxiliary clamping member 213 are used to clamp one edge of the rear bumper body 41.

[0061] Specifically, the second positioning mechanism 22 further includes: a second mounting base 221, a third auxiliary clamping member 222, a fourth auxiliary clamping member 223, and a second driving member 224. The second mounting base 221 is connected to the base 1, and two second positioning members 227 are movably provided on the second mounting base 221, each of which is a vertically arranged positioning post. There are at least two third auxiliary clamping members 222, and each third auxiliary clamping member 222 is fixed to the second mounting base 221; there are at least two fourth auxiliary clamping members 223, and each fourth auxiliary clamping member 223 is arranged in a one-to-one correspondence with the third auxiliary clamping members 222. Each fourth auxiliary clamping member 223 is rotatably connected to the second mounting base 221, and a second clamping space for clamping the left end plate 42 and the right end plate 43 is formed between the fourth auxiliary clamping members 223 and the third auxiliary clamping members 222. The fixed end of the second driving member 224 is connected to the second mounting base 221. The driving end of the second driving member 224 is used to drive the fourth auxiliary clamping member 223 to rotate relative to the second mounting base 221, and to drive the second positioning member 227 to move relative to the second mounting base 221.

[0062] In the embodiments of this application, the second positioning member 227 is a vertically arranged positioning post that is inserted into the end plate through holes 45 on the left end plate 42 and the right end plate 43 to initially position the left end plate 42 and the right end plate 43. On this basis, the third auxiliary clamping member 222 and the fourth auxiliary clamping member 223 provide stable support points for the left end plate 42 and the right end plate 43 to ensure that the left end plate 42 and the right end plate 43 will not be displaced during the welding process. The third auxiliary clamping member 222 and the fourth auxiliary clamping member 223 are integrated on the second positioning mechanism 22, making the structure of the fixture more compact and thus reducing the floor space. The second driving member 224 can drive the second positioning member 227 and the fourth auxiliary clamping member 223 to move synchronously, reducing the number of driving members and making the structure of the fixture more compact.

[0063] For example, such as Figure 6 , Figure 7As shown, the second positioning mechanism 22 includes: a second mounting base 221, a third auxiliary clamping member 222, a fourth auxiliary clamping member 223, a second driving member 224, a third connecting plate 225, a fourth connecting plate 226, and a second positioning member 227. The second positioning mechanism 22 is connected to the base 1 via the second mounting base 221. The fourth connecting plate 226 is connected to the top surface of the second mounting base 221 and extends vertically. The third connecting plate 225 is rotatably connected to the fourth connecting plate 226. The second driving member 224 is a cylinder. The fixed end of the second driving member 224 is connected to the second mounting base 221, and the driving end of the second driving member 224 is connected to the third connecting plate 225 to drive the third connecting plate 225 to rotate relative to the fourth connecting plate 226. Two third auxiliary clamping members 222 are connected to the fourth connecting plate 226. The two third auxiliary clamping members 222 are respectively located on two opposite sides of the fourth connecting plate 226. Two fourth auxiliary clamping members 223 are connected to the third connecting plate 225. The two fourth auxiliary clamping members 223 are respectively located on two opposite sides of the third connecting plate 225. The two fourth auxiliary clamping members 223 and the two third auxiliary clamping members 222 are arranged in a one-to-one correspondence. A second clamping space is formed between the corresponding fourth auxiliary clamping members 223 and the third auxiliary clamping members 222. The driving end of the second driving member 224 moves upward to clamp the left end plate 42 and the right end plate 43 in the second clamping space. The driving end of the second driving member 224 moves downward to move the fourth auxiliary clamping members 223 away from the third auxiliary clamping members 222, so as to facilitate the placement of the left end plate 42 and the right end plate 43, as well as the drive of the rear anti-collision beam assembly 4. The second positioning member 227 is a positioning post connected to the fourth connecting plate 226. There are two second positioning members 227, which are spaced apart along the extension direction of the fourth connecting plate 226. The driving end of the second driving member 224 moves upward, and the second positioning post is inserted into the end plate through hole 45 on the left end plate 42 and the right end plate 43. The driving end of the second driving member 224 moves downward, and the second positioning post disengages from the end plate through hole 45.

[0064] For example, Figure 8 , Figure 9 The second positioning mechanism 22 shown is Figure 6 , Figure 7 The second positioning mechanism 22 shown is basically the same in structure as the third support member 228, so other structures will not be described in detail. Figure 8 , Figure 9 As shown, the second mounting base 221 is provided with a third support member 228, which is used to abut against the back of the rear anti-collision body 41 to support and support the rear anti-collision body 41.

[0065] Furthermore, the first clamping assembly 2 also includes a clamping mechanism 23, wherein there are multiple clamping mechanisms 23, which are spaced apart along the length direction of the rear bumper beam assembly 4. Each clamping mechanism 23 has a first clamping member 231 and a second clamping member 232, and a third clamping space is formed between the first clamping member 231 and the second clamping member 232. The first clamping member 231 is movably disposed relative to the second clamping member 232. The first clamping member 231 has a first position clamped with the rear bumper body 41 and a second position separated from the rear bumper body 41.

[0066] In the embodiments of this application, the first clamping member 231 switches between a first position and a second position to clamp and release the rear bumper body 41 without manual intervention, which improves the convenience of operation and production efficiency. Multiple clamping mechanisms 23 are spaced apart along the length of the rear bumper beam assembly 4. If a clamping member wears out or malfunctions, it can be quickly replaced without replacing the entire assembly, reducing equipment maintenance costs and downtime.

[0067] For example, such as Figure 10 , Figure 11 , Figure 14 As shown, Figure 10 , Figure 11 The clamping mechanism 23 shown clamps one edge of the rear anti-collision body 41, so it is arranged close to the left and right ends of the rear anti-collision body 41. Figure 10 The clamping mechanism 23 shown includes: a first clamping member 231, a second clamping member 232, a fourth driving member 233, a second supporting member 234, a fourth mounting base 236, a fifth connecting plate 237, and a sixth connecting plate 238. The clamping mechanism 23 is connected to the base 1 via the fourth mounting base 236. The fifth connecting plate 237 is connected to the upper part of the fourth mounting base 236. The second supporting member 234 is connected to the fifth connecting plate 237 and is used to abut against the reverse side of the rear bumper body 41 to support and bear it. The sixth connecting plate 238 is rotatably connected to the fifth connecting plate 237. The fourth driving member 233 is a cylinder; its fixed end is connected to the fifth connecting plate 237, and its driving end is connected to the sixth connecting plate 238, driving the sixth connecting plate 238 to rotate relative to the fifth connecting plate 237. The first clamping member 231 is connected to the top surface of the fifth connecting plate 237, and the second clamping member 232 is connected to the top surface of the sixth connecting plate 238. The second clamping member 232 and the first clamping member 231 are arranged vertically opposite each other, and a third clamping space is formed between the second clamping member 232 and the first clamping member 231. The driving end of the fourth driving member 233 moves upward so that the rear anti-collision body 41 is clamped in the third clamping space. The driving end of the fourth driving member 233 moves downward so that the rear anti-collision body 41 can be unlocked so that the rear anti-collision body 41 can be released from the third clamping space.

[0068] Figure 11 The clamping mechanism 23 shown is Figure 10 The structure of the clamping mechanism 23 shown is basically the same as that of the displacement sensor 235. Figure 11 The fifth connecting plate 237 of the clamping mechanism 23 shown is connected to a displacement sensor 235. In order to avoid interference between structures, the second support member 234 is connected to the displacement sensor 235 to support and support the rear anti-collision body 41.

[0069] For example, such as Figure 12 , Figure 14 As shown, Figure 12 The clamping mechanism 23 shown synchronously clamps the two sides of the rear anti-collision body 41, so it is arranged close to the middle of the rear anti-collision body 41. Figure 12 The clamping mechanism 23 shown includes: a first clamping member 231, a second clamping member 232, a fourth driving member 233, a fourth mounting base 236, a fifth connecting plate 237, and a sixth connecting plate 238. The clamping mechanism 23 is connected to the base 1 through the fourth mounting base 236. The fifth connecting plate 237 is connected to the upper part of the fourth mounting base 236. The sixth connecting plate 238 is rotatably connected to the fifth connecting plate 237. The fourth driving member 233 is a cylinder. The fixed end of the fourth driving member 233 is connected to the fifth connecting plate 237, and the driving end of the fourth driving member 233 is connected to the sixth connecting plate 238 to drive the sixth connecting plate 238 to rotate relative to the fifth connecting plate 237. There are two first clamping members 231, which are spaced apart along the extension direction of the fifth connecting plate 237. There are two second clamping members 232, which are spaced apart along the extension direction of the sixth connecting plate 238. The two first clamping members 231 and the two second clamping members 232 are arranged in a one-to-one correspondence, and a third clamping space is formed between the second clamping members 232 and the first clamping members 231. The driving end of the fourth driving member 233 moves upward to simultaneously clamp the two sides of the rear anti-collision body 41. The driving end of the fourth driving member 233 moves downward to unlock the rear anti-collision body 41 so that the rear anti-collision body 41 can be released from the third clamping space.

[0070] Furthermore, the first clamp assembly 2 also includes: a first lifting mechanism 24, the first lifting mechanism 24 having a first lifting part 241, the first lifting part 241 being movably arranged in the vertical direction, the first lifting part 241 having a lifting position located below the rear anti-collision body 41 and supporting the rear anti-collision body 41.

[0071] In the embodiments of this application, the first lifting mechanism 24 is provided to support the rear anti-collision body 41 and prevent the clamping mechanism 23 from being unable to perform stable clamping due to excessive gravity. In addition, the first lifting part 241 is movably provided in the vertical direction to adjust the position of the first lifting part 241 so that the first lifting part 241 fits tightly with the rear anti-collision body 41, thereby effectively supporting the rear anti-collision body 41.

[0072] For example, such as Figure 13 , Figure 14 As shown, the first lifting mechanism 24 is arranged in the middle of the rear bumper beam assembly 4. The first lifting mechanism 24 includes: a first lifting part 241, a fifth driving member 242, a connecting beam 243, and a fifth mounting base 244. The first lifting mechanism 24 is connected to the base 1 through the fifth mounting base 244. The fifth driving member 242 is a cylinder. The fixed end of the fifth driving member 242 is connected to the fifth mounting base 244, and the driving end of the fifth driving member 242 is connected to the connecting beam 243. The first lifting part 241 is connected to both ends of the connecting beam 243, and the first lifting part 241 has a groove for accommodating the rear bumper body 41.

[0073] Furthermore, the second clamping assembly 3 includes a third positioning mechanism 31, which consists of two sets. The two sets of third positioning mechanisms 31 are spaced apart along the length direction of the rear anti-collision beam assembly 4. Each third positioning mechanism 31 has a third positioning element 311, which is used to engage with the edge of the rear anti-collision body 41 to restrict the movement of the rear anti-collision body 41 in a preset direction.

[0074] In the embodiments of this application, two sets of third positioning mechanisms 31 abut against the edge of the rear anti-collision body 41 through the third positioning member 311 to restrict the rear anti-collision body 41 from moving in a preset direction, thereby performing preliminary positioning of the rear anti-collision body 41.

[0075] For example, such as Figure 15 , Figure 16 , Figure 18 As shown, two sets of third positioning mechanisms 31 are spaced apart along the length of the rear bumper beam assembly 4. Each third positioning mechanism 31 includes a third positioning member 311, a second connecting member 318, and a third mounting base 319. The third positioning mechanism 31 is connected to the base 1 via the third mounting base 319. The second connecting member 318 is connected to the upper part of the third mounting base 319 and extends vertically upward. The third positioning member 311 is a blocking plate connected to the second connecting member 318. The third positioning member 311 abuts against one edge of the rear bumper body 41 to restrict the movement of the rear bumper body 41 along its width.

[0076] Furthermore, the third positioning mechanism 31 is connected to the base 1 via the third mounting seat 319, and the third positioning member 311 is connected to the third mounting seat 319. One set of the third positioning mechanisms 31 is provided with a pressing member 313. The pressing member 313 is rotatably connected to the third mounting seat 319 via the first connecting member 317. The pressing member 313 has a pressing position for pressing with the rear trailer hook nut 44.

[0077] In the embodiments of this application, the crimping member 313 is rotatably connected to the third mounting base 319 via the first connector 317 to facilitate the placement and tightening of the rear trailer hook nut 44.

[0078] For example, such as Figure 15 , Figure 18 As shown, the third positioning mechanism 31 includes: a third positioning member 311, a second connecting member 318, a third mounting base 319, a first connecting member 317, a pressing member 313, and a third driving member 314. The third positioning mechanism 31 is connected to the base 1 through the third mounting base 319. The second connecting member 318 is connected to the upper part of the third mounting base 319 and extends vertically upward. The first connecting member 317 is rotatably connected to the second connecting member 318. The third driving member 314 is a cylinder. The fixed end of the third driving member 314 is connected to the second connecting member 318, and the driving end of the third driving member 314 is connected to the first connecting member 317 to drive the first connecting member 317 to rotate relative to the second connecting member 318. The crimping member 313 is connected to the first connecting member 317. The driving end of the third driving member 314 moves vertically upward to press the crimping member 313 against the rear trailer hook nut 44. The driving end of the third driving member 314 moves vertically downward to disengage the crimping member 313 from the rear trailer hook nut 44.

[0079] Furthermore, the third positioning mechanism 31 also includes: a fifth clamping member 315, which is connected to the third mounting base 319; and a sixth clamping member 316, which is connected to the first connecting member 317. A fourth clamping space for clamping the left end plate 42 or the right end plate 43 is formed between the sixth clamping member 316 and the fifth clamping member 315.

[0080] In the embodiments of this application, the sixth clamping member 316 is connected to the first connecting member 317, meaning the sixth clamping member 316 is rotatably configured relative to the fifth clamping member 315 to clamp and release the left end plate 42 and the right end plate 43. During welding, this prevents the rear anti-collision body 41 from moving relative to the rear trailer hook nut 44, thereby ensuring welding accuracy. Furthermore, the sixth clamping member 316 and the crimping member 313 are integrated into the first connecting member 317, enabling simultaneous positioning and clamping, and sharing a single drive unit, which helps reduce equipment costs.

[0081] Furthermore, the third positioning mechanism 31 also includes: a first support member 312, which is fixedly connected to the third mounting base 319, and the first support member 312 is used to abut against the end of the right end plate 43 and the left end plate 42 that is away from the rear anti-collision body 41.

[0082] like Figure 15 , Figure 16 , Figure 18 As shown, the first support member 312 is connected to the second connector 318 to support and carry the right end plate 43 and the left end plate 42.

[0083] Furthermore, the second clamp assembly 3 also includes a second lifting mechanism 32, which is disposed between the two sets of third positioning mechanisms 31. The second lifting mechanism 32 includes a second lifting part 321 and a sixth connecting seat 322. The second lifting mechanism 32 is connected to the base 1 through the sixth connecting seat 322, and the second lifting part 321 is connected to the sixth connecting seat 322. The second lifting part 321 has a receiving groove for accommodating the rear anti-collision body 41.

[0084] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0085] In addition to the above, it should be noted that the terms "one embodiment," "another embodiment," and "embodiment" used in this specification refer to specific features, structures, or characteristics described in connection with that embodiment, which are included in at least one embodiment described in the general description of this application. The appearance of the same expression in multiple places in the specification does not necessarily refer to the same embodiment. Furthermore, when a specific feature, structure, or characteristic is described in connection with any embodiment, the intention is to suggest that implementing such a feature, structure, or characteristic in conjunction with other embodiments also falls within the scope of this invention.

[0086] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0087] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A fixture for welding a rear bumper beam assembly, characterized in that, include: Base (1); A first clamping assembly (2) is connected to the base (1). The first clamping assembly (2) has a first clamping space for accommodating a rear bumper beam assembly (4). When the rear bumper beam assembly (4) is located in the first clamping space, the first welding surface of the rear bumper beam assembly (4) faces away from the base (1). The second clamping assembly (3) is connected to the base (1) and has a second clamping space for accommodating the rear bumper beam assembly (4). When the rear bumper beam assembly (4) is located in the second clamping space, the second welding surface of the rear bumper beam assembly (4) faces away from the base (1).

2. The fixture according to claim 1, characterized in that, The first clamp assembly (2) includes: The first positioning mechanism (21) is at least two sets, and the at least two sets of the first positioning mechanism (21) are spaced apart along the length direction of the rear anti-collision beam assembly (4). The first positioning mechanism (21) has a first positioning member (217), which is used to insert and cooperate with the rear anti-collision body (41). The second positioning mechanism (22) is at least two sets, and the at least two sets of the second positioning mechanism (22) are spaced apart along the rear anti-collision beam assembly (4). The second positioning mechanism (22) has at least one second positioning element (227). The at least one set of the second positioning mechanism (22) is used to insert and cooperate with the left end plate (42) through the second positioning element (227), and the at least one set of the second positioning mechanism (22) is used to insert and cooperate with the right end plate (43) through the second positioning element (227).

3. The fixture according to claim 2, characterized in that, The first positioning mechanism (21) further includes: The first mounting base (211) is connected to the base (1). The first mounting base (211) is provided with the first positioning element (217), which is a vertically arranged positioning column. A first auxiliary clamping member (212) is fixedly connected to the first mounting base (211); The second auxiliary clamping member (213) is rotatably connected to the first mounting base (211), and a first clamping space for clamping the rear anti-collision body (41) is formed between the second auxiliary clamping member (213) and the first auxiliary clamping member (212). A first driving member (214) has a fixed end connected to a first mounting base (211) and a driving end connected to a second auxiliary clamping member (213) to drive the second auxiliary clamping member (213) to rotate relative to the first mounting base (211).

4. The fixture according to claim 2, characterized in that, The second positioning mechanism (22) also includes: The second mounting base (221) is connected to the base (1). Two second positioning elements (227) are movably provided on the second mounting base (221), and each second positioning element (227) is a vertically arranged positioning post. The third auxiliary clamping member (222) is at least two, and each of the third auxiliary clamping members (222) is fixed to the second mounting base (221); The fourth auxiliary clamping member (223) is provided in at least two forms. The fourth auxiliary clamping member (223) is provided in a one-to-one correspondence with the third auxiliary clamping member (222). Each of the fourth auxiliary clamping members (223) is rotatably connected to the second mounting base (221). A second clamping space for clamping the left end plate (42) and the right end plate (43) is formed between the fourth auxiliary clamping member (223) and the third auxiliary clamping member (222). The second driving member (224) has a fixed end connected to the second mounting base (221). The driving end of the second driving member (224) is used to drive the fourth auxiliary clamping member (223) to rotate relative to the second mounting base (221) and to drive the second positioning member (227) to move relative to the second mounting base (221).

5. The fixture according to claim 2, characterized in that, The first clamp assembly (2) further includes: Clamping mechanism (23), there are multiple clamping mechanisms (23), the multiple clamping mechanisms (23) are spaced apart along the length direction of the rear anti-collision beam assembly (4), the clamping mechanism (23) is provided with a first clamping member (231) and a second clamping member (232), a third clamping space is formed between the first clamping member (231) and the second clamping member (232), the first clamping member (231) is movably arranged relative to the second clamping member (232), the first clamping member (231) has a first position clamping with the rear anti-collision body (41), and a second position separating from the rear anti-collision body (41).

6. The fixture according to claim 2, characterized in that, The first clamp assembly (2) further includes: The first lifting mechanism (24) is provided with a first lifting part (241), which is movably arranged in the vertical direction. The first lifting part (241) has a lifting position located below the rear anti-collision body (41) and supporting the rear anti-collision body (41).

7. The fixture according to claim 1, characterized in that, The second clamping assembly (3) includes: The third positioning mechanism (31) consists of two sets, which are spaced apart along the length of the rear anti-collision beam assembly (4). The third positioning mechanism (31) has a third positioning element (311) which is used to abut against the edge of the rear anti-collision body (41) to restrict the rear anti-collision body (41) from moving in a preset direction.

8. The fixture according to claim 7, characterized in that, The third positioning mechanism (31) is connected to the base (1) via the third mounting seat (319). The third positioning member (311) is connected to the third mounting seat (319). One set of the third positioning mechanisms (31) is provided with a pressing member (313). The pressing member (313) is rotatably connected to the third mounting seat (319) via the first connecting member (317). The pressing member (313) has a pressing position for pressing with the rear trailer hook nut (44).

9. The fixture according to claim 8, characterized in that, The third positioning mechanism (31) also includes: The fifth clamping member (315) is connected to the third mounting base (319); The sixth clamping member (316) is connected to the first connecting member (317), and a fourth clamping space for clamping the left end plate (42) or the right end plate (43) is formed between the sixth clamping member (316) and the fifth clamping member (315).

10. The fixture according to claim 8, characterized in that, The third positioning mechanism (31) also includes: The first support member (312) is fixedly connected to the third mounting base (319) and is used to abut against the end of the right end plate (43) and the left end plate (42) away from the rear anti-collision body (41).

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