Flexible auxiliary tool for multi-vehicle-type mixed-line production

Abstract

The invention provides a multi-vehicle-type mixed-line production flexible auxiliary tool which comprises a movable base, a supporting frame, a first clamp, an auxiliary clamp and a second clamp, and the supporting frame is arranged on the movable base; the first clamp is installed on the supporting frame, the first clamp comprises a first fixing plate and two first limiting pieces, one first limiting piece is fixedly connected with the first fixing plate, the other first limiting piece is in sliding connection with the first fixing plate, and the other first limiting piece is used in cooperation with one first limiting piece; the auxiliary clamp and the second clamp are connected with the first fixing plate in a pivoted mode and connected with the movable base. According to the flexible auxiliary tool for multi-vehicle-type mixed-line production, by arranging different types of clamps, the adaptability in the automobile assembling process is improved, the production efficiency is improved, and execution of a production plan is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile manufacturing, and in particular to a flexible auxiliary tool for multi-model mixed-line production. BACKGROUND

[0002] In the automobile manufacturing industry, multi-model mixed-line production has become a mainstream trend. Through mixed-line production, the sales fluctuations of different models can be balanced, so that the production line can always operate at high load, avoiding the idle production capacity caused by the decline in sales of a single model. Producing multiple models based on shared platforms and components can reduce costs through the procurement of universal parts, and share production resources to improve the utilization rate of the production line and reduce production costs.

[0003] However, when the production plan of different models is switched, the flexibility of the auxiliary equipment is insufficient, and the adjustment time of the equipment is long, resulting in low production efficiency. At the same time, for unexpected situations in the production process (such as equipment failure), it is easy to cause confusion in the production plan. SUMMARY

[0004] The present application aims to at least partially solve one of the above technical problems.

[0005] To this end, one object of the present application is to provide a flexible auxiliary tool for multi-model mixed-line production, which improves the adaptability in the automobile assembly process, improves the production efficiency, and ensures the execution of the production plan.

[0006] To achieve the above object, the first embodiment of the present application provides a flexible auxiliary tool for multi-model mixed-line production, comprising a mobile base, a support frame, a first clamp, an auxiliary clamp and a second clamp, wherein the support frame is arranged on the mobile base; the first clamp is installed on the support frame, and the first clamp comprises a first fixed plate and two first limit pieces, wherein one of the first limit pieces is fixedly connected with the first fixed plate, and the other first limit piece is slidably connected with the first fixed plate, and the other first limit piece is used in cooperation with the first limit piece, and the first limit piece is used for clamping and fixing the automobile tire; the auxiliary clamp and the second clamp are respectively pivotally connected with the first fixed plate, and the auxiliary clamp and the second clamp are respectively connected with the mobile base, and the auxiliary clamp is used for clamping and fixing the thin automobile accessory.

[0007] In addition, the flexible auxiliary tool for multi-model mixed-line production according to the above embodiments of the present application can also have the following additional technical features: In an embodiment of the present application, the first limiting piece comprises two U-shaped pieces and two insertion rods, wherein the two U-shaped pieces are connected with the first fixed plate respectively, and equidistant through holes are arranged on the two U-shaped pieces; the two insertion rods are inserted into the corresponding through holes.

[0008] In an embodiment of the present application, the bottom of the first fixed plate is provided with a self-adapting telescopic component, and the other first limiting piece is connected with the self-adapting telescopic component.

[0009] In an embodiment of the present application, the auxiliary clamp comprises a second fixed plate, a second limiting piece and a first hydraulic telescopic rod, wherein the second fixed plate is pivotally connected with the first fixed plate, the second limiting piece is arranged on the second fixed plate; and the first hydraulic telescopic rod is pivotally connected with the moving base and the second fixed plate at two ends respectively.

[0010] In an embodiment of the present application, the second fixed plate is provided with an adjusting component, the adjusting component is connected with the second limiting piece; two guide components are symmetrically arranged on the second fixed plate, the guide components are connected with the second limiting piece respectively, and the two guide components are located on two sides of the adjusting component respectively.

[0011] In an embodiment of the present application, the second clamp comprises a third fixed plate, a second hydraulic telescopic rod and a third limiting piece, wherein the third fixed plate is pivotally connected with the first fixed plate; the second hydraulic telescopic rod is pivotally connected between the moving base and the third fixed plate; and the third limiting piece is arranged on the third fixed plate in a V-shaped structure, and the third limiting piece can be deformed under external force.

[0012] In an embodiment of the present application, the third limiting piece comprises a plurality of supporting plates, two bearing plates and two reset shafts, wherein the plurality of supporting plates are arranged on the third fixed plate respectively, the two bearing plates are connected with the corresponding supporting plates through the two reset shafts respectively, and the two bearing plates are symmetrically arranged in a V-shaped structure.

[0013] In an embodiment of the present application, two protrusions are integrally formed at two ends of the bearing plate respectively, and the two protrusions close to the bottom end of the bearing plate abut against each other.

[0014] In an embodiment of the present application, the moving base comprises a base plate, a plurality of floating rollers and an anti-skid buffer pad, wherein the plurality of floating rollers are mounted at four corners of the base plate respectively, and the anti-skid buffer pad is arranged at the bottom of the base plate.

[0015] In an embodiment of the present application, a handrail is arranged on the base plate, and the handrail is arranged in an inclined manner.

[0016] Compared with the related art, the technical scheme provided by the application has the following beneficial effects: the multi-model mixed-line production flexible auxiliary tool of the embodiment of the application can support and fix single-tire vehicles, double-tire vehicles or thin automobile accessories (for example, rear floor panels, roofs or engine covers) through the multiple clamps, so as to solve the problem of long time consumption of adjusting the corresponding bearing equipment in the multi-model mixed-line production process, thereby improving the adaptability in the automobile assembly process, improving the production efficiency and ensuring the execution of the production plan.

[0017] Additional aspects and advantages of the application will be described in part below, will become apparent from the following description, or will be learned by practicing the application. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above and / or additional aspects and advantages of the application will become apparent and be readily understood from the following description, taken in conjunction with the accompanying drawings, in which: Figure 1 Schematic diagram of the three-dimensional structure of the multi-model mixed-line production flexible auxiliary tool according to one embodiment of the application Figure 1 ; Figure 2 Schematic diagram of the first clamp and the auxiliary clamp connection structure of the multi-model mixed-line production flexible auxiliary tool according to one embodiment of the application Figure 3 Schematic diagram of the second clamp structure of the multi-model mixed-line production flexible auxiliary tool according to one embodiment of the application Figure 4 Schematic diagram of the three-dimensional structure of the multi-model mixed-line production flexible auxiliary tool according to one embodiment of the application Figure 2 .

[0019] Reference signs: 100, moving base; 101, chassis; 102, floating roller; 103, anti-skid buffer pad; 104, handrail; 200, support frame; 300, first clamp; 310, first fixed plate; 320, first limiting piece; 321, U-shaped piece; 322, through hole; 323, insertion rod; 330, self-adapting telescopic component; 400, auxiliary clamp; 401, second fixed plate; 402, second limiting piece; 403, first hydraulic telescopic rod; 404, adjusting component; 405, guiding component; 500, second clamp; 501, third fixed plate; 502, second hydraulic telescopic rod; 503, third limiting piece; 504, support plate; 505, bearing plate; 506, reset pivot; 507, protrusion. DETAILED DESCRIPTION

[0020] Embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0021] A multi-model mixed-line production flexible auxiliary tool of embodiments of the present application is described below with reference to the drawings.

[0022] As shown in Figures 1-4 The multi-model mixed-line production flexible auxiliary tool of embodiments of the present application can include a mobile base 100, a support frame 200, a first clamp 300, an auxiliary clamp 400, and a second clamp 500, wherein the support frame 200 is arranged on the mobile base 100.

[0023] It should be noted that the support frame 200 described in this embodiment is arranged in an H-shaped structure on the mobile base 100, and it should be noted that the support frame 200 arranged in an H-shaped structure can ensure the stability of the tool during use.

[0024] The first clamp 300 is installed on the support frame 200, and the first clamp 300 includes a first fixed plate 310 and two first limit pieces 320, wherein one first limit piece 320 is fixedly connected with the first fixed plate 310, and the other first limit piece 320 is slidingly connected with the first fixed plate 310, and the other first limit piece 320 is used in cooperation with the one first limit piece 320, and the first limit piece 320 is used for clamping and fixing the automobile tire.

[0025] It should be noted that the other first limit piece 320 described in this embodiment is slidingly connected with the first fixed plate 310, that is, a through slot is formed in the first fixed plate 310 for the other first limit piece 320 to slide, and the other first limit piece 320 can be hidden below the first fixed plate 310 under the action of an external force.

[0026] The auxiliary clamp 400 and the second clamp 500 are respectively pivotally connected with the first fixed plate 310, and the auxiliary clamp 400 and the second clamp 500 are respectively connected with the mobile base 100, and the auxiliary clamp 400 is used for clamping and fixing the thin automobile accessory.

[0027] It should be noted that the auxiliary clamp 400 and the second clamp 500 described in this embodiment are respectively pivotally connected with the first fixed plate 310, that is, the auxiliary clamp 400 and the second clamp 500 can be connected by a rotating shaft, and the specific connection structure and working principle are prior art, so they will not be described in detail here.

[0028] Specifically, in the multi-model mixed production process, the vehicle is transferred by using the multi-model mixed production flexible auxiliary tool, the related operating personnel places the automobile tire between the two first limiting pieces 320 of the first fixed plate 310, temporarily fixes the automobile tire by using the first limiting piece 320, and sequentially arranges a plurality of the multi-model mixed production flexible auxiliary tool at the four tires of the automobile, thereby facilitating temporary transfer of vehicles of different models.

[0029] When the automobile adopts a double-tire installation mode, the related operating personnel temporarily fixes one side of the double tire in the above-mentioned manner, and on the other side of the double tire, the related operating personnel can temporarily fix the double tire by means of the auxiliary clamp 400, thereby further expanding the application range of the tool.

[0030] In addition, automobile accessories (for example, rear floor, roof or engine cover) for different models are arranged on both sides of the production line, and such automobile accessories need to be supported and fixed by auxiliary equipment when being arranged, so as to facilitate the taking of the automobile accessories by subsequent operating personnel.

[0031] If there is a mounting hole at the edge of such automobile accessories, the related technical personnel can temporarily fix such automobile accessories on the tool by means of the first clamp 300, and if there is no mounting hole at the edge of such automobile accessories, the related technical personnel can temporarily fix such automobile accessories on the tool by means of the second clamp 500, thereby saving a lot of time for adjusting the bearing equipment.

[0032] By arranging a plurality of clamps, single-tire, double-tire vehicles or thin automobile accessories (for example, rear floor, roof or engine cover) can be supported and fixed, so as to solve the problem of long time consumption for adjusting the corresponding bearing equipment in the multi-model mixed production process, thereby improving the adaptability in the automobile assembly process, improving the production efficiency and ensuring the execution of the production plan.

[0033] In an embodiment of the present application, as shown in Figure 2 The first limiting piece 320 includes a U-shaped piece 321 and two insertion rods 323.

[0034] The U-shaped piece 321 is connected with the first fixed plate 310 respectively, a plurality of through holes 322 are arranged at equal intervals on the U-shaped piece 321, and the two insertion rods 323 are inserted into the corresponding through holes 322.

[0035] In an embodiment of the present application, as shown in Figure 2 The bottom of the first fixed plate 310 is provided with a self-adapting telescopic component 330, and the other first limiting piece 320 is connected with the self-adapting telescopic component 330.

[0036] Specifically, the prior art tire is circular, and the hub portion is hollow. Due to the imperfect brake system in the automobile assembly process, the tire is fixed by external limiting. Two insertion rods 323 are sequentially inserted into the inside of the corresponding through hole 322, so that the insertion rod 323 abuts against the inner wall of the hub ring, thereby limiting the tire in all directions. The two first limiting members 320 jointly act to ensure the stability of the vehicle during the transfer process.

[0037] When the specifications of the tire change (for example, the width of the tire increases), the tire will press the other first limiting member 320 into the self-adapting telescopic component 330, and one first limiting member 320 is used to fix the tire.

[0038] In an embodiment of the present application, as shown in Figure 2 The auxiliary clamp 400 includes a second fixed plate 401, a second limiting member 402, and a first hydraulic telescopic rod 403. The second fixed plate 401 is pivotally connected with the first fixed plate 310, and the second limiting member 402 is arranged on the second fixed plate 401. The first hydraulic telescopic rod 403 is pivotally connected with the moving base 100 and the second fixed plate 401 at both ends.

[0039] In an embodiment of the present application, as shown in Figure 2 The second fixed plate 401 is provided with an adjusting component 404, and the adjusting component 404 is connected with the second limiting member 402. The second fixed plate 401 is symmetrically provided with two guide components 405, and the guide components 405 are respectively connected with the second limiting member 402. The two guide components 405 are respectively located on the two sides of the adjusting component 404.

[0040] It should be noted that the adjusting component 404 described in this embodiment includes a screw rod and a knob. The knob is connected with the screw rod, and the screw rod is threadedly connected with the second limiting member 402. The working principle is the prior art, and thus will not be described in detail here.

[0041] In addition, the guide component 405 described in this embodiment includes a guide rod and a guide groove. The guide groove is arranged on the second fixed plate 401, and the guide rod is connected with the second limiting member 402. The guide rod is slidingly arranged in the guide groove. The specific structure of the second limiting member 402 is the same as that of the first limiting member 320, and thus will not be described in detail here.

[0042] Specifically, when the automobile tire is a double tire, the relevant operating personnel can limit the automobile tire by means of the second limiting member 402. The specific operation steps are shown in the above embodiment, and thus will not be described in detail here.

[0043] When the distance between the two tires of a car is small, the operator can adjust the position of the second limiting member 402 on the second fixed plate 401 by adjusting the component 404, so that the distance between the second limiting member 402 and a first limiting member 320 is equal to the distance between the two tires, so as to limit the car and thus expand the applicability of this tooling.

[0044] In one embodiment of this application, such as Figure 1 and Figure 3 As shown, the second clamp 500 includes a third fixing plate 501, a second hydraulic telescopic rod 502, and a third limiting member 503.

[0045] The third fixing plate 501 is pivotally connected to the first fixing plate 310; the second hydraulic telescopic rod 502 is pivotally connected between the movable base 100 and the third fixing plate 501; the third limiting member 503 is set on the third fixing plate 501 in a V-shape, and the third limiting member 503 can deform under the action of external force.

[0046] In the embodiments of this application, a control device may be arranged on the mobile base 100, and relevant operators can control the operation of the first hydraulic telescopic rod 403 and the second hydraulic telescopic rod 502 respectively by pressing the switch.

[0047] It should be noted that the second clamp 500 is mainly used to support thin automotive parts with smooth edges and no mounting holes, and can fix or clamp thin automotive parts at any angle.

[0048] In one embodiment of this application, such as Figure 1 and Figure 3 As shown, the third limiting member 503 includes multiple support plates 504, two bearing plates 505 and two reset rotating shafts 506. The multiple support plates 504 are respectively disposed on the third fixed plate 501, and the two bearing plates 505 are respectively connected to the corresponding support plates 504 through the two reset rotating shafts 506. The two bearing plates 505 are arranged symmetrically in a V-shaped structure.

[0049] It should be noted that the reset shaft 506 described in this embodiment is located near the bottom end of the support plate 505. Therefore, when the bottom end of the support plate 505 moves only slightly, the upper end of the support plate 505 can obtain a large stroke. Thus, when the thin automotive part applies a force to the bottom end of the support plate 505, the upper end of the support plate 505 moves and abuts against the thin automotive part, thereby clamping the thin automotive part.

[0050] In one embodiment of this application, such as Figure 1 and Figure 3 As shown, two protrusions 507 are integrally formed at both ends of the support plate 505, and the two protrusions 507 near the bottom of the support plate 505 abut against each other.

[0051] Specifically, the operator activates the second hydraulic telescopic rod 502 via a control device on the movable base 100. One end of the telescopic rod is pivotally connected to the movable base 100, and the other end is pivotally connected to the third fixed plate 501. When the second hydraulic telescopic rod 502 extends or retracts, it pushes or pulls the third fixed plate 501, causing it to rotate around its pivot connection point with the first fixed plate 310, thereby adjusting the entire clamp to the required working angle.

[0052] Thin automotive parts are placed between two support plates 505 in a V-shaped opening. The workpiece's own weight or slight downward pressure causes it to contact the inclined surface of the support plates 505, typically acting first on the area near the bottom of the V-shape (i.e., near the reset shaft 506).

[0053] The reset shaft 506 is located near the bottom of the support plate 505, essentially acting as a "fulcrum". When the workpiece applies a downward force (even a small force) to the bottom area of ​​the support plate 505, due to the lever arm relationship, this force will produce an amplified displacement (stroke) at the upper end (free end) of the support plate 505.

[0054] Under the aforementioned lever principle, the upper ends of the two support plates 505 simultaneously undergo significant movement and deformation towards the workpiece, elastically engaging or abutting against the sides of the workpiece from both sides. The two integrally formed protrusions 507 at the bottom of the support plates 505 abut against each other, which helps stabilize the deformation process of the V-shaped structure, prevents excessive deformation, and ensures the symmetry and balance of the clamping force.

[0055] After the operation is completed, the operator uses the control device to retract or further move the second hydraulic telescopic rod 502, changing the clamp angle or releasing the constraint on the workpiece. At this time, the external force is removed, and the bearing plate 505 gradually returns to its initial V-shaped opening state under the elastic reset action of the reset shaft 506, allowing the workpiece to be removed.

[0056] It should be noted that the reset shaft 506 described in this embodiment can be based on the connection between the torsion spring and the shaft. Its specific working principle has been disclosed, so it will not be described in detail here.

[0057] In one embodiment of this application, such as Figure 4 As shown, the mobile base 100 includes a chassis 101, multiple floating rollers 102 and an anti-slip buffer pad 103. The multiple floating rollers 102 are respectively installed at the four corners of the chassis 101, and the anti-slip buffer pad 103 is set at the bottom of the chassis 101.

[0058] In one embodiment of this application, such as Figure 4 As shown, a handrail 104 is provided on the chassis 101, and the handrail 104 is arranged at an angle.

[0059] Understandably, multiple floating rollers 102 are installed at the four corners of the chassis 101, which together provide the entire device with flexible and stable mobility, enabling operators to easily move the assembled fixture system to different workstations or work areas.

[0060] The control device sends a running signal to the floating roller 102. After the chassis 101 descends, it contacts and presses against the ground by the anti-slip buffer pad 103. This pad can effectively increase friction to prevent the base from sliding during operation, and can also buffer the slight vibrations during the operation of the device, ensuring the stability and accuracy of the clamping operation.

[0061] The chassis 101 is equipped with a handrail 104, which makes it easy for the operator to push or pull the entire mobile base 100. At the same time, the handrail 104 also provides the operator with a stable support point, which helps to maintain body balance and operational safety when observing the workpiece at close range or making fine adjustments.

[0062] It should be noted that the inclined handrail 104 described in this embodiment will not interfere with the second clamp 500 angle during the change.

[0063] In summary, the flexible auxiliary tooling for multi-model mixed-line production in this application embodiment, by setting multiple clamps, can support and fix single- or dual-tire vehicles or thin automotive parts (e.g., rear floor, roof, or hood), thereby addressing the problem of long adjustment time for corresponding load-bearing equipment during multi-model mixed-line production, thus improving the adaptability of the automotive assembly process, shortening adjustment time, increasing production efficiency, and ensuring the execution of the production plan.

[0064] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0065] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0066] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," 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, an electrical connection, or a communication 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 application 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., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer 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.

[0068] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A multi-vehicle type mixed-line production flexible auxiliary tool, characterized by, Including mobile base (100), support frame (200), first clamp (300), auxiliary clamp (400) and second clamp (500), wherein, The support frame (200) is arranged on the mobile base (100); The first clamp (300) is installed on the support frame (200), and the first clamp (300) comprises a first fixed plate (310) and two first limit pieces (320), wherein, One of the first limit pieces (320) is fixedly connected with the first fixed plate (310), and the other first limit piece (320) is slidably connected with the first fixed plate (310), and the other first limit piece (320) is used in cooperation with one of the first limit pieces (320), and the first limit piece (320) is used for clamping and fixing the automobile tire; The auxiliary clamp (400) and the second clamp (500) are respectively pivotally connected with the first fixed plate (310), and the auxiliary clamp (400) and the second clamp (500) are respectively connected with the mobile base (100), and the auxiliary clamp (400) is used for clamping and fixing the thin automobile accessory.

2. The multi-vehicle line-flexible production auxiliary tooling of claim 1, wherein, The first limit piece (320) comprises a U-shaped piece (321) and two insertion rods (323), wherein, Two U-shaped pieces (321) are respectively connected with the first fixed plate (310), and equidistant through holes (322) are formed in the two U-shaped pieces (321); Two insertion rods (323) are inserted into the corresponding through holes (322).

3. The multi-vehicle line-flexible production auxiliary tooling of claim 2, wherein, The bottom of the first fixed plate (310) is provided with a self-adapting telescopic component (330), and the other first limit piece (320) is connected with the self-adapting telescopic component (330).

4. The multi-vehicle line-flexible production auxiliary tooling of claim 1, wherein, The auxiliary clamp (400) comprises a second fixed plate (401), a second limit piece (402) and a first hydraulic telescopic rod (403), wherein, The second fixed plate (401) is pivotally connected with the first fixed plate (310), and the second limit piece (402) is arranged on the second fixed plate (401); Both ends of the first hydraulic telescopic rod (403) are pivotally connected with the mobile base (100) and the second fixed plate (401) respectively.

5. The multi-vehicle line-flexible production auxiliary tooling of claim 4, wherein, The second fixed plate (401) is provided with an adjusting component (404), and the adjusting component (404) is connected with the second limit piece (402); Two guide components (405) are symmetrically arranged on the second fixed plate (401), and the guide components (405) are respectively connected with the second limit piece (402), and the two guide components (405) are respectively located on the two sides of the adjusting component (404).

6. The multi-vehicle line-flexible production auxiliary tooling of claim 1, wherein, The second clamp (500) comprises a third fixed plate (501), a second hydraulic telescopic rod (502) and a third limit piece (503), wherein, The third fixed plate (501) is pivotally connected with the first fixed plate (310); The second hydraulic telescopic rod (502) is pivotally connected between the mobile base (100) and the third fixed plate (501); The third limiting piece (503) is arranged on the third fixed plate (501) in a V-shaped structure, and can be deformed under external force.

7. The multi-vehicle line-flexible production auxiliary tooling of claim 6, wherein, The third limiting piece (503) comprises a plurality of supporting plates (504), two bearing plates (505) and two reset pivots (506), wherein, The plurality of supporting plates (504) are respectively arranged on the third fixed plate (501), the two bearing plates (505) are respectively connected with the corresponding supporting plates (504) through the two reset pivots (506), and the two bearing plates (505) are symmetrically arranged in a V-shaped structure.

8. The multi-vehicle line-flexible production auxiliary tooling of claim 7, wherein, Two protrusions (507) are integrally formed at two ends of the bearing plate (505) respectively, and the two protrusions (507) close to the bottom end of the bearing plate (505) abut against each other.

9. The multi-vehicle line-flexible production auxiliary tooling of claim 1, wherein, The mobile base (100) comprises a chassis (101), a plurality of floating rollers (102) and a non-slip buffer pad (103), wherein, The plurality of floating rollers (102) are respectively installed at four corners of the chassis (101), and the non-slip buffer pad (103) is arranged at the bottom of the chassis (101).

10. The multi-vehicle line-flexible production auxiliary tooling of claim 9, wherein, A hand support frame (104) is arranged on the chassis (101), and the hand support frame (104) is arranged in an inclined manner.

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