Composite frame tooling
By designing tooling adapted to composite frames and utilizing base plates and various fixing devices, the problems of misalignment and shaking during assembly were solved, thereby improving assembly efficiency and quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XIAMEN JIERONGDA IND & TRADE CO LTD
- Filing Date
- 2025-07-31
- Publication Date
- 2026-06-26
AI Technical Summary
The existing tooling is not compatible with the composite frame, which causes the composite frame to shift and wobble during assembly, resulting in low assembly efficiency and poor quality.
A composite frame tooling was designed, including a base plate and various fixing devices, for supporting and locking the various frame parts, ensuring that the parts fit together during assembly and preventing displacement.
This improves the assembly efficiency and quality of the composite frame, avoids misalignment and wobbling, and ensures accurate positioning and stability of each component.
Smart Images

Figure CN224407386U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of vehicle frame tooling, specifically to a composite vehicle frame tooling. Background Technology
[0002] The chassis is the core structural component of a vehicle, equivalent to the vehicle's "skeleton," supporting and connecting all other components.
[0003] Tooling refers to a general term for special tools, fixtures, molds, gauges, and other equipment used for positioning, fixing, processing, measuring, or assisting in the manufacturing, assembly, testing, or maintenance of products.
[0004] A composite frame is available as shown in the attached figure. Figure 1-2 As shown, the composite frame includes a main frame 1', with a first frame 2' fixedly mounted at the front end of the main frame 1'; a second frame 3', with the rear end of the second frame 3' fixedly mounted below the rear end of the main frame 1', and a third frame 4' fixedly mounted inside the rear end of the main frame 1' and in front of the second frame 3'; two side frames 5', each fixedly mounted on both sides of the middle of the main frame 1', with the rear end of the first frame 2' fixedly mounted above the front ends of the two side frames 5'; and two symmetrically arranged transition frames 6', each fixedly mounted inside the rear end of the main frame 1', outside the front end of the second frame 3', and with the front end of the transition frame 6' fixedly mounted at the rear end of the third frame 4'.
[0005] The aforementioned composite frame requires tooling during assembly, but existing tooling is not compatible with the composite frame and cannot support or lock it during assembly. This can easily cause the composite frame to shift or shake during assembly, resulting in low assembly efficiency and poor assembly quality.
[0006] The purpose of this utility model research is to design a composite frame tooling to address the problems existing in the prior art. Utility Model Content
[0007] In view of the problems existing in the prior art, the present invention provides a composite frame tooling that can effectively solve at least one of the problems existing in the prior art.
[0008] The technical solution of this utility model is:
[0009] A composite frame tooling, comprising:
[0010] The base plate has a main frame fixing device on its top surface, a first frame fixing device on the front end of the top surface of the base plate, a second frame fixing device on the rear end of the top surface of the base plate, and a third frame fixing device on the rear end of the top surface of the base plate and in front of the second frame fixing device.
[0011] Two side frame fixing devices are symmetrically arranged at the middle of the top surface of the base plate, and the two side frame fixing devices are respectively located on both sides of the main frame fixing device; two transition frame fixing devices are symmetrically arranged at the rear end of the top surface of the base plate, and the transition frame fixing devices are located between the second frame fixing device and the third frame fixing device.
[0012] Furthermore, the main frame fixing device includes a first supporting locking fastener disposed at the front end of the top surface of the base plate, a second supporting locking fastener disposed at the rear end of the top surface of the base plate, and a third supporting locking fastener disposed on the top surface of the base plate between the first supporting locking fastener and the second supporting locking fastener.
[0013] Furthermore, the first supporting locking device includes two first supporting brackets, which are symmetrically arranged on the front end of the top surface of the base plate, and a first locking bracket is provided on the top surface of the base plate and on the outer side of the rear of the first supporting brackets.
[0014] A first auxiliary bracket is provided on the top surface of the base plate between the first support bracket and the first locking bracket. A second auxiliary bracket is provided on the top surface of the base plate between the two first locking brackets. A first auxiliary locking bracket is provided on both sides of the top surface of the base plate between the two second auxiliary brackets. The two first auxiliary locking brackets are staggered. Two third auxiliary brackets are provided on the top surface of the base plate behind the second auxiliary bracket. A fourth auxiliary bracket is provided on the top surface of the base plate outside the rear of the first locking bracket.
[0015] Furthermore, the second supporting locking device includes two second locking brackets, which are symmetrically arranged at the rear end of the top surface of the base plate, and a second supporting bracket is provided on the top surface of the base plate in front of the second locking brackets;
[0016] A second auxiliary lock frame is provided on the top surface of the base plate and outside the second support frame, and a fifth auxiliary bracket is provided on the top surface of the base plate and in front of the second support frame.
[0017] Furthermore, the third supporting locking device includes two third supporting brackets, the third supporting brackets are disposed on the top surface of the base plate and in front of the fifth auxiliary bracket, and three third supporting brackets are disposed on the top surface of the base plate and between the third supporting brackets and the fourth auxiliary bracket;
[0018] Three sixth auxiliary brackets are provided on the top surface of the base plate and inside the three third support brackets. Three third auxiliary locking brackets are provided on the top surface of the base plate and inside the three sixth auxiliary brackets. Two fourth auxiliary locking brackets are provided on the top surface of the base plate and outside the three third auxiliary locking brackets. A fifth auxiliary locking bracket is provided on the top surface of the base plate and behind the fourth auxiliary bracket on the left side. A sixth auxiliary locking bracket is provided on the top surface of the base plate and to the right of the fifth auxiliary locking bracket. A seventh auxiliary bracket is provided on the top surface of the base plate and to the right of the sixth auxiliary locking bracket.
[0019] Furthermore, the first frame fixing device includes two fourth locking brackets, which are symmetrically arranged at the front end of the top surface of the base plate. A fourth support bracket is arranged on the top surface of the base plate and behind the outer side of the fourth locking brackets. A seventh auxiliary locking bracket is arranged on the top surface of the base plate and in front of the inner side of the fourth locking brackets. An eighth auxiliary bracket is arranged on the top surface of the base plate and between the two fourth support brackets. A ninth auxiliary bracket is arranged on the top surface of the base plate and inside the fourth locking brackets.
[0020] Furthermore, the second frame fixing device includes two fifth locking brackets, which are symmetrically arranged at the rear end of the top surface of the base plate. A fifth support bracket is provided on the top surface of the base plate and in front of the inner side of the fifth locking brackets. A tenth auxiliary bracket is provided on the top surface of the base plate and outside the fifth locking brackets. An eighth auxiliary locking bracket is provided on the top surface of the base plate and behind and inside the fifth support brackets.
[0021] Furthermore, the third frame fixing device includes two sixth support brackets, which are symmetrically arranged at the rear end of the top surface of the base plate and in front of the transition frame fixing device. A sixth locking bracket is provided on the top surface of the base plate and in front of the inner side of the sixth support bracket. A seventh support bracket is provided on the top surface of the base plate and in front of the sixth locking bracket. A seventh locking bracket is provided on the top surface of the base plate and in front of the seventh support bracket.
[0022] Furthermore, the transition frame fixing device includes two eighth support brackets, which are symmetrically arranged at the rear end of the top surface of the base plate and located between the second frame fixing device and the third frame fixing device.
[0023] Furthermore, the side frame fixing device includes two eighth locking brackets, which are symmetrically arranged behind the middle of the top surface of the base plate. The two eighth locking brackets are respectively located on both sides of the main frame fixing device. A ninth locking bracket is arranged on the top surface of the base plate in front of the eighth locking brackets. Two tenth locking brackets are arranged on the top surface of the base plate behind and inside the eighth locking brackets. Two eleventh locking brackets are arranged on the top surface of the base plate inside the space between the eighth and ninth locking brackets. Two ninth support brackets are arranged on the top surface of the base plate between the two eleventh locking brackets and the two tenth locking brackets. Three tenth support brackets are arranged on the top surface of the base plate in front of the two eleventh locking brackets.
[0024] Therefore, the present invention provides the following effects and / or advantages:
[0025] 1) The second frame fixing device is used to fix the second frame; the main frame fixing device is used to fix the main frame after the second frame fixing device fixes the second frame, so that the rear end of the main frame is located above the rear end of the second frame, so that the main frame and the second frame fit together, thereby facilitating the assembly of the rear end of the main frame above the rear end of the second frame.
[0026] The two transition frame fixing devices are used to fix the two transition frames after the main frame fixing device fixes the main frame, so that the two transition frames are both located on the inner rear end of the main frame, and both transition frames are both located on the outer front end of the second frame, so that the main frame and the second frame are both in close contact with the two transition frames, thereby facilitating the assembly of the two transition frames on the inner rear end of the main frame and the assembly of the two transition frames on the outer front end of the second frame.
[0027] The two side frame fixing devices are used to fix the two side frames after the main frame fixing device fixes the main frame, so that the two side frames are located on both sides of the middle of the main frame, so that the two side frames are in close contact with the main frame, thereby facilitating the assembly of the two side frames on both sides of the middle of the main frame.
[0028] The third frame fixing device is used to fix the third frame after the two transition frames are fixed by the two transition frame fixing devices, so that the third frame is located inside the rear end of the main frame, and the rear end of the third frame is located at the front end of the two transition frames, so that the main frame, the two transition frames are all in close contact with the third frame, thereby facilitating the assembly of the third frame inside the rear end of the main frame and the assembly of the rear end of the third frame at the front end of the two transition frames.
[0029] The first frame fixing device is used to fix the first frame after the two side frame fixing devices fix the two side frame fixing devices, so that the front end of the first frame is located inside the front end of the main frame, the rear end of the first frame is located above the front end of the main frame, and the rear end of the first frame is located above the front ends of the two side frame fixing devices, so that the main frame and the two side frame fixing devices are all in close contact with the first frame, thereby facilitating the assembly of the front end of the first frame to the inside of the front end of the main frame, the assembly of the rear end of the first frame to the front end of the main frame, and the assembly of the rear end of the first frame to the front end of the two side frame fixing devices.
[0030] In summary, the system is compatible with the aforementioned composite frame, providing support and locking during assembly, preventing the composite frame from shifting or shaking during assembly, thereby improving assembly efficiency and quality.
[0031] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention are realized and obtained through the structures particularly pointed out in the description and the drawings.
[0032] It should be understood that the above summary and the following detailed description of the present invention are exemplary and explanatory, and are intended to provide further explanation of the present invention as claimed. Attached Figure Description
[0033] Figure 1 This is a schematic diagram of an existing composite frame structure.
[0034] Figure 2 For the corresponding Figure 1 The exploded diagram.
[0035] Figure 3 This is a schematic diagram of the structure of this utility model when it is used with a composite frame.
[0036] Figure 4 This is a structural diagram of the present invention after concealing the first frame fixing device, the second frame fixing device, the third frame fixing device, the side frame fixing device, and the transition frame fixing device.
[0037] Figure 5 For the corresponding Figure 4 A structural diagram from another perspective.
[0038] Figure 6 This is a structural diagram of the concealed main frame fixing device of this utility model.
[0039] Explanation of reference numerals in the attached figures:
[0040] Main frame 1', first frame 2', second frame 3', third frame 4', side frame 5', transition frame 6', base plate 1, first support bracket 2, first locking bracket 3, first auxiliary bracket 4, second auxiliary bracket 5, first auxiliary locking bracket 6, third auxiliary bracket 7, fourth auxiliary bracket 8, second locking bracket 9, second support bracket 10, second auxiliary locking bracket 11, fifth auxiliary bracket 12, third locking bracket 13, third support bracket 14, sixth auxiliary bracket 15, third auxiliary locking bracket 16, fourth auxiliary locking bracket 17, fifth auxiliary locking bracket 18. Sixth auxiliary lock frame 19, seventh auxiliary bracket 20, fourth lock support frame 21, fourth support frame 22, seventh auxiliary lock frame 23, eighth auxiliary bracket 24, ninth auxiliary bracket 25, fifth lock support frame 26, fifth support frame 27, tenth auxiliary bracket 28, eighth auxiliary lock frame 29, sixth support frame 30, sixth lock support frame 31, seventh support frame 32, seventh lock support frame 33, eighth support frame 34, eighth lock support frame 35, ninth lock support frame 36, tenth lock support frame 37, eleventh lock support frame 38, ninth support frame 39, tenth support frame 40. Detailed Implementation
[0041] To facilitate understanding by those skilled in the art, the structure of this utility model will now be described in further detail with reference to the accompanying drawings:
[0042] refer to Figure 1-6 A composite frame tooling, comprising:
[0043] The base plate 1 has a main frame fixing device on its top surface, a first frame fixing device on the front end of the top surface of the base plate 1, a second frame fixing device on the rear end of the top surface of the base plate 1, and a third frame fixing device on the rear end of the top surface of the base plate 1 and in front of the second frame fixing device.
[0044] Two side frame fixing devices are symmetrically arranged at the middle of the top surface of the base plate 1, and the two side frame fixing devices are respectively located on both sides of the main frame fixing device; two transition frame fixing devices are symmetrically arranged at the rear end of the top surface of the base plate 1, and the transition frame fixing devices are located between the second frame fixing device and the third frame fixing device.
[0045] The second frame fixing device is used to fix the second frame 3'; the main frame fixing device is used to fix the main frame 1' after the second frame fixing device fixes the second frame 3', so that the rear end of the main frame 1' is located above the rear end of the second frame 3', so that the main frame 1' and the second frame 3' fit together, thereby facilitating the assembly of the rear end of the main frame 1' above the rear end of the second frame 3'.
[0046] The two transition frame fixing devices are used to fix the two transition frames 6' after the main frame 1' is fixed by the main frame fixing device, so that the two transition frames 6' are both located on the inner rear end of the main frame 1', and both transition frames 6' are located on the outer front end of the second frame 3', so that the main frame 1' and the second frame 3' are both in close contact with the two transition frames 6', thereby facilitating the assembly of the two transition frames 6' on the inner rear end of the main frame 1' and the assembly of the two transition frames 6' on the outer front end of the second frame 3'.
[0047] The two side frame fixing devices are used to fix the two side frames 5' after the main frame fixing device fixes the main frame 1', so that the two side frames 5' are located on both sides of the middle end of the main frame 1', so that the two side frames 5' are in close contact with the main frame 1', thereby facilitating the assembly of the two side frames 5' on both sides of the middle end of the main frame 1'.
[0048] The third frame fixing device is used to fix the third frame 4' after the two transition frames 6' are fixed by the two transition frame fixing devices, so that the third frame 4' is located inside the rear end of the main frame 1', and the rear end of the third frame 4' is located at the front end of the two transition frames 6', so that the main frame 1' and the two transition frames 6' are all in close contact with the third frame 4', thereby facilitating the assembly of the third frame 4' to the inside rear end of the main frame 1' and the assembly of the rear end of the third frame 4' to the front end of the two transition frames 6'.
[0049] The first frame fixing device is used to fix the first frame 2' after the two side frame fixing devices fix the two side frame fixing devices, so that the front end of the first frame 2' is located inside the front end of the main frame 1', the rear end of the first frame 2' is located above the front end of the main frame 1', and the rear end of the first frame 2' is located above the front end of the two side frame 5', so that the main frame 1' and the two side frame 5' are all in close contact with the first frame 2', thereby facilitating the assembly of the front end of the first frame 2' to the inside of the front end of the main frame 1', the assembly of the rear end of the first frame 2' to the front end of the main frame 1', and the assembly of the rear end of the first frame 2' to the front end of the two side frame 5'.
[0050] The assembly methods described above can include welding, gluing, etc., to assemble a composite frame.
[0051] The main frame fixing device includes a first supporting locking device disposed at the front end of the top surface of the base plate 1, a second supporting locking device disposed at the rear end of the top surface of the base plate 1, and a third supporting locking device disposed on the top surface of the base plate 1 between the first supporting locking device and the second supporting locking device.
[0052] The first supporting locking device includes two first supporting brackets 2, which are symmetrically arranged on the front end of the top surface of the base plate 1. A first locking bracket 3 is provided on the top surface of the base plate 1 and on the outer side of the rear of the first supporting brackets 2.
[0053] A first auxiliary bracket 4 is provided on the top surface of the base plate 1 between the first support bracket 2 and the first locking bracket 3. A second auxiliary bracket 5 is provided on the top surface of the base plate 1 between the two first locking brackets 3. A first auxiliary locking bracket 6 is provided on both sides of the second auxiliary bracket 5 on the top surface of the base plate 1. The two first auxiliary locking brackets 6 are staggered. Two third auxiliary brackets 7 are provided on the top surface of the base plate 1 behind the second auxiliary bracket 5. A fourth auxiliary bracket 8 is provided on the top surface of the base plate 1 on the outer side behind the first locking bracket 3.
[0054] The second supporting locking device includes two second supporting locking brackets 9, which are symmetrically arranged at the rear end of the top surface of the base plate 1. A second supporting bracket 10 is provided on the top surface of the base plate 1 in front of the second supporting locking brackets 9.
[0055] A second auxiliary locking frame 11 is provided on the top surface of the base plate 1 and outside the second locking frame 9, and a fifth auxiliary bracket 12 is provided on the top surface of the base plate 1 and in front of the second support frame 10.
[0056] The third supporting locking device includes two third supporting locking frames 13. The third supporting locking frames 13 are disposed on the top surface of the base plate 1 and in front of the fifth auxiliary bracket 12. Three third supporting frames 14 are disposed on the top surface of the base plate 1 and between the third supporting locking frames 13 and the fourth auxiliary bracket 8. The three third supporting frames 14 are arranged side by side.
[0057] Three sixth auxiliary brackets 15 are provided on the top surface of the base plate 1 and on the inner side between the three third support brackets 14. The three sixth auxiliary brackets 15 are arranged side by side. Three third auxiliary locking brackets 16 are provided on the top surface of the base plate 1 and on the inner side of the three sixth auxiliary brackets 15. Two fourth auxiliary locking brackets 17 are provided on the top surface of the base plate 1 and on the outer side of the three third auxiliary locking brackets 16. A fifth auxiliary locking bracket 18 is provided on the top surface of the base plate 1 and behind the fourth auxiliary bracket 8 on the left side. A sixth auxiliary locking bracket 19 is provided on the top surface of the base plate 1 and to the right of the fifth auxiliary locking bracket 18. A seventh auxiliary bracket 20 is provided on the top surface of the base plate 1 and to the right of the sixth auxiliary locking bracket 19.
[0058] The first frame fixing device includes two fourth locking brackets 21, which are symmetrically arranged on the front end of the top surface of the base plate 1. A fourth support bracket 22 is arranged on the top surface of the base plate 1 and behind the fourth locking brackets 21. A seventh auxiliary locking bracket 23 is arranged on the top surface of the base plate 1 and in front of the fourth locking brackets 21. An eighth auxiliary bracket 24 is arranged on the top surface of the base plate 1 and between the two fourth support brackets 22. A ninth auxiliary bracket 25 is arranged on the top surface of the base plate 1 and inside the fourth locking brackets 21.
[0059] The second frame fixing device includes two fifth locking brackets 26, which are symmetrically arranged at the rear end of the top surface of the base plate 1. A fifth support bracket 27 is provided on the top surface of the base plate 1 and in front of the inner side of the fifth locking brackets 26. A tenth auxiliary bracket 28 is provided on the top surface of the base plate 1 and outside the fifth locking brackets 26. An eighth auxiliary locking bracket 29 is provided on the top surface of the base plate 1 and behind and inside the fifth support bracket 27.
[0060] The third frame fixing device includes two sixth support brackets 30. The two sixth support brackets 30 are symmetrically arranged at the rear end of the top surface of the base plate 1 and in front of the transition frame fixing device. A sixth locking bracket 31 is provided on the top surface of the base plate 1 and in front of the inner side of the sixth support bracket 30. A seventh support bracket 32 is provided on the top surface of the base plate 1 and in front of the sixth locking bracket 31. A seventh locking bracket 33 is provided on the top surface of the base plate 1 and in front of the seventh support bracket 32.
[0061] The transition frame fixing device includes two eighth support brackets 34, which are symmetrically arranged at the rear end of the top surface of the base plate 1 and located between the second frame fixing device and the third frame fixing device.
[0062] The side frame fixing device includes two eighth locking brackets 35, which are symmetrically arranged behind the middle of the top surface of the base plate 1. The two eighth locking brackets 35 are located on both sides of the main frame fixing device. A ninth locking bracket 36 is arranged on the top surface of the base plate 1 in front of the eighth locking brackets 35. Two tenth locking brackets 37 are arranged on the top surface of the base plate 1 behind and inside the eighth locking brackets 35, side-by-side. Two eleventh lock brackets 38 are arranged on the inner side between the eighth lock bracket 35 and the ninth lock bracket 36. The two eleventh lock brackets 38 are arranged side by side. Two ninth support brackets 39 are arranged on the top surface of the base plate 1 between the two eleventh lock brackets 38 and the two tenth lock brackets 37. The two ninth support brackets 39 are arranged side by side. Three tenth support brackets 40 are arranged on the top surface of the base plate 1 in front of the two eleventh lock brackets 38. The three tenth support brackets 40 are arranged side by side.
[0063] The first locking bracket 3, the first auxiliary locking bracket 6, the second locking bracket 9, the second auxiliary locking bracket 11, the third locking bracket 13, the third auxiliary locking bracket 16, the fourth auxiliary locking bracket 17, the fifth auxiliary locking bracket 18, the sixth auxiliary locking bracket 19, the fourth locking bracket 21, the seventh auxiliary locking bracket 23, the fifth locking bracket 26, the eighth auxiliary locking bracket 29, the sixth locking bracket 31, the seventh locking bracket 33, the eighth locking bracket 35, the ninth locking bracket 36, the tenth locking bracket 37, and the eleventh locking bracket 38 are all detachable and have positioning locking pins.
[0064] It should be noted that any reference signs placed between parentheses in the claims should not be construed as limiting the claims. The word "comprising" does not exclude the presence of components or steps not listed in the claims. The word "a" or "an" preceding a component does not exclude the presence of a plurality of such components. This invention can be implemented by means of hardware comprising several different components and by means of a suitably programmed computer. In a unit claim enumerating several means, several of these means may be embodied by the same item of hardware. The use of the words first, second, and third, etc., does not indicate any order. These words can be interpreted as names.
[0065] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.
[0066] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0067] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms should not be construed as necessarily referring to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
Claims
1. A composite frame tooling, characterized by: include: The base plate has a main frame fixing device on its top surface, a first frame fixing device on the front end of the top surface of the base plate, a second frame fixing device on the rear end of the top surface of the base plate, and a third frame fixing device on the rear end of the top surface of the base plate and in front of the second frame fixing device. Two side frame fixing devices are symmetrically arranged at the middle of the top surface of the base plate, and the two side frame fixing devices are respectively located on both sides of the main frame fixing device; two transition frame fixing devices are symmetrically arranged at the rear end of the top surface of the base plate, and the transition frame fixing devices are located between the second frame fixing device and the third frame fixing device.
2. A composite frame tooling according to claim 1, wherein: The main frame fixing device includes a first supporting locking fastener disposed at the front end of the top surface of the base plate, a second supporting locking fastener disposed at the rear end of the top surface of the base plate, and a third supporting locking fastener disposed on the top surface of the base plate between the first supporting locking fastener and the second supporting locking fastener.
3. A composite chassis tooling according to claim 2, wherein: The first supporting locking device includes two first supporting brackets, which are symmetrically arranged on the front end of the top surface of the base plate. A first locking bracket is provided on the top surface of the base plate and on the outer side of the rear of the first supporting brackets. A first auxiliary bracket is provided on the top surface of the base plate between the first support bracket and the first locking bracket. A second auxiliary bracket is provided on the top surface of the base plate between the two first locking brackets. A first auxiliary locking bracket is provided on both sides of the top surface of the base plate between the two second auxiliary brackets. The two first auxiliary locking brackets are staggered. Two third auxiliary brackets are provided on the top surface of the base plate behind the second auxiliary bracket. A fourth auxiliary bracket is provided on the top surface of the base plate outside the rear of the first locking bracket.
4. A composite chassis tooling according to claim 3, wherein: The second supporting locking device includes two second supporting brackets, which are symmetrically arranged at the rear end of the top surface of the base plate, and a second supporting bracket is provided on the top surface of the base plate in front of the second supporting brackets; A second auxiliary lock frame is provided on the top surface of the base plate and outside the second support frame, and a fifth auxiliary bracket is provided on the top surface of the base plate and in front of the second support frame.
5. A composite chassis tooling according to claim 4, wherein: The third supporting locking device includes two third supporting brackets. The third supporting brackets are disposed on the top surface of the base plate and in front of the fifth auxiliary bracket. Three third supporting brackets are disposed on the top surface of the base plate and between the third supporting brackets and the fourth auxiliary bracket. Three sixth auxiliary brackets are provided on the top surface of the base plate and inside the three third support brackets. Three third auxiliary locking brackets are provided on the top surface of the base plate and inside the three sixth auxiliary brackets. Two fourth auxiliary locking brackets are provided on the top surface of the base plate and outside the three third auxiliary locking brackets. A fifth auxiliary locking bracket is provided on the top surface of the base plate and behind the fourth auxiliary bracket on the left side. A sixth auxiliary locking bracket is provided on the top surface of the base plate and to the right of the fifth auxiliary locking bracket. A seventh auxiliary bracket is provided on the top surface of the base plate and to the right of the sixth auxiliary locking bracket.
6. The composite frame tooling of claim 1, wherein: The first frame fixing device includes two fourth locking brackets, which are symmetrically arranged at the front end of the top surface of the base plate. A fourth support bracket is arranged on the top surface of the base plate and behind the fourth locking brackets on the outside. A seventh auxiliary locking bracket is arranged on the top surface of the base plate and in front of the fourth locking brackets on the inside. An eighth auxiliary bracket is arranged on the top surface of the base plate and between the two fourth support brackets. A ninth auxiliary bracket is arranged on the top surface of the base plate and inside the fourth locking brackets.
7. The composite frame tooling of claim 1, wherein: The second frame fixing device includes two fifth support brackets, which are symmetrically arranged at the rear end of the top surface of the base plate. A fifth support bracket is provided on the top surface of the base plate and in front of the inner side of the fifth support brackets. A tenth auxiliary bracket is provided on the top surface of the base plate and outside the fifth support brackets. An eighth auxiliary lock bracket is provided on the top surface of the base plate and behind and inside the fifth support brackets.
8. The composite frame tooling of claim 1, wherein: The third frame fixing device includes two sixth support brackets. The two sixth support brackets are symmetrically arranged at the rear end of the top surface of the base plate and in front of the transition frame fixing device. A sixth locking bracket is provided on the top surface of the base plate and in front of the inner side of the sixth support bracket. A seventh support bracket is provided on the top surface of the base plate and in front of the sixth locking bracket. A seventh locking bracket is provided on the top surface of the base plate and in front of the seventh support bracket.
9. The composite frame tooling of claim 1, wherein: The transition frame fixing device includes two eighth support brackets, which are symmetrically arranged at the rear end of the top surface of the base plate and located between the second frame fixing device and the third frame fixing device.
10. The composite frame tooling of claim 1, wherein: The side frame fixing device includes two eighth locking brackets, which are symmetrically arranged behind the middle of the top surface of the base plate. The two eighth locking brackets are located on both sides of the main frame fixing device. A ninth locking bracket is arranged on the top surface of the base plate in front of the eighth locking brackets. Two tenth locking brackets are arranged on the top surface of the base plate behind and inside the eighth locking brackets. Two eleventh locking brackets are arranged on the top surface of the base plate between the eighth and ninth locking brackets. Two ninth support brackets are arranged on the top surface of the base plate between the two eleventh locking brackets and the two tenth locking brackets. Three tenth support brackets are arranged on the top surface of the base plate in front of the two eleventh locking brackets.