Compartment bottom plate rolling forming assembly

Abstract

The utility model relates to the technical field of carriage rolling forming, in particular to a carriage bottom plate rolling forming assembly which comprises a conveying assembly and a rolling assembly, and the conveying assembly comprises a support assembly, a transmission shaft, a supporting plate wheel, a second frame plate, a first frame plate, a supporting shaft, a limiting wheel, a rotary driving part, a rotating wheel, a first transmission belt, a linkage shaft, a transmission wheel and a second transmission belt. The rolling assembly comprises hanging plates, first positioning screws, first limiting nuts, widening plates, extending plates and rolling wheels, the hanging plates are connected to the support assembly, the first positioning screws are connected with the first limiting nuts, the first limiting nuts are distributed on the two sides of the hanging plates, the first positioning screws are connected with the widening plates, and the rolling wheels are rotationally connected to the extending plates. The metal plate rolling forming device is provided with the rolling forming position, metal plates can be conveniently formed in the conveying process, the rolling forming effect on the metal plates is improved, the conveying efficiency of raw materials is improved, the transmission synchronous effect is good, and the effect of rolling machining on the metal plates in the conveying process can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle box roll forming, in particular to a vehicle box bottom plate roll forming component. Background Art

[0002] The raw material of the car bottom plate is sheet metal, and its edges need to be processed with folded edges. However, if rolling or stamping is used, the raw materials of the car body need to be transferred to different locations. Manual handling is inconvenient for transferring the raw materials to be processed, and the sheet metal raw materials processed by manual transportation will have repeated inaccurate positioning, which is not conducive to the processing accuracy of the processing. For longer sheet metal raw materials, rolling is used for processing, and multiple rolling places use separate power drives, which will have a lower transmission synchronization effect. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the shortcomings of the prior art, the utility model provides a vehicle bottom plate rolling forming component, which has a rolling forming part, which is convenient for forming sheet metal during transmission, improves the rolling forming effect of sheet metal, improves the transportation efficiency of raw materials, has a good transmission synchronization effect, and can achieve the effect of rolling processing on sheet metal during transportation.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vehicle box bottom plate roll forming assembly, comprising a conveying assembly for conveying vehicle box raw materials and a rolling assembly for roll forming;

[0007] The conveying assembly comprises a bracket assembly, a transmission shaft, a plate wheel, a frame plate 2, a frame plate 1, a supporting shaft, a limiting wheel, a rotating drive unit, a rotating wheel, a transmission belt 1, a linkage shaft, a transmission wheel and a transmission belt 2. A plurality of frame plates 2 and a frame plate 1 are installed on the bracket assembly. A plurality of transmission shafts are rotatably connected to the frame plate 2. A plate wheel for supporting the raw materials in the carriage is installed on the transmission shaft. A plurality of supporting shafts are rotatably connected to the frame plate 1. The limiting wheel is connected to the support shaft. A plurality of limiting wheels and the plate wheel are arranged opposite to each other. A linkage shaft is rotatably connected to the bracket assembly. A plurality of transmission wheels are connected to the linkage shaft. More than one rotating wheel is connected to the transmission shaft. A plurality of rotating wheels on adjacent transmission shafts are connected through a transmission belt 1 for transmission. The rotating drive unit is installed on the bracket assembly. The output shaft of the rotating drive unit is connected to the linkage shaft. The transmission wheel and the corresponding rotating wheel are connected through a transmission belt 2 for transmission.

[0008] The rolling assembly includes a hanging plate, a positioning screw, a limiting nut, a widening plate, an extension plate and a rolling wheel. A plurality of hanging plates are connected to the bracket assembly. A positioning screw passes through the hanging plate. A plurality of limiting nuts are connected to the positioning screw. The limiting nuts are distributed on both sides of the hanging plate. A positioning screw is connected to the widening plate. A plurality of extension plates are connected to the widening plate. The extension plate is in an L-shaped plate shape. A plurality of rolling wheels are rotatably connected to the extension plate.

[0009] Preferably, the conveying assembly also includes a fixed frame, supporting rollers and a transfer block, and bracket assemblies are provided on both sides of the fixed frame. A plurality of supporting rollers are provided on the fixed frame, and transfer blocks are connected to both ends of the supporting rollers, and the transfer blocks are connected to the fixed frame.

[0010] Preferably, the conveying assembly also includes two positioning screws, a positioning plate and two limiting nuts. The first frame plate is connected to the two positioning screws, the positioning plate is connected to the bracket assembly, the two positioning screws pass through the positioning plate, and the two positioning screws are connected to a plurality of two limiting nuts, which are distributed on both sides of the positioning plate.

[0011] Preferably, the rolling assembly also includes a limiting screw three, a limiting nut four and a limiting nut three, a plurality of limiting screws three are connected to the bracket assembly, the limiting screw three passes through the hanging plate, a plurality of limiting nuts four are connected to the limiting screw three, the limiting nut four is located on the lower side of the hanging plate, the limiting screw three is connected to the limiting nut three, and the limiting nut three is located on the upper side of the hanging plate.

[0012] Preferably, the bracket assembly includes support plate 1 and support plate 2, limit screw 3 is connected to support plate 1, support plate 1 and support plate 2 are each provided with a plurality of frame plates 2 and frame plates 1, support plate 1 and support plate 2 are both rotatably connected to a linkage shaft, a gap is provided between support plate 1 and support plate 2, and a rotating wheel and transmission belt 1 are located in a relatively middle area between support plate 1 and support plate 2.

[0013] Preferably, frame plate 2 corresponds to frame plate 1 one to one, the cross-sections of frame plate 2 and frame plate 1 are I-shaped, support plate 1 and support plate 2 are both provided with limiting grooves corresponding to frame plate 2 and frame plate 1, and support plate 1 and support plate 2 are both connected to a number of positioning plates.

[0014] Preferably, a plurality of elongated holes are provided on the widened plate, and bolts for connecting the widened plate and the supporting plate 1 pass through the elongated holes on the widened plate.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a vehicle box bottom plate roll forming assembly, which has the following beneficial effects:

[0017] The vehicle box bottom plate rolling forming component supports frame plate two and frame plate one through a bracket component, and frame plate two and frame plate one support a transmission shaft and a support plate wheel, so that the transmitted vehicle box sheet metal raw materials are placed on the support plate wheel, and the linkage shaft and the transmission wheel are driven to rotate through a rotating drive part, and the adjacent rotating wheels are connected through a transmission belt one, thereby driving each rotating wheel to rotate synchronously at the same time, and the rotating wheel drives the transmission shaft and the support plate wheel to rotate, so as to facilitate the transmission at the rolling part and improve the synchronization effect at the transmission part, support the limiting wheel through the supporting shaft, and the limiting wheel presses the position of the transmitted vehicle box sheet metal raw materials to reduce the situation that the vehicle box raw materials that need to be processed are tilted, and the transmitted vehicle box sheet metal raw materials are pressed by the rolling wheel at the rolling forming part, so as to facilitate the forming processing of the sheet metal during the transmission process, improve the rolling forming effect of the sheet metal, transmit the raw materials during the transportation process, improve the transportation efficiency of the raw materials, and can roll the sheet metal during the transportation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0020] Figure 3 For this utility model Figure 1 A schematic diagram of the local enlarged structure at B in the middle;

[0021] Figure 4 This is a schematic diagram of the main structure of the utility model;

[0022] Figure 5 For this utility model Figure 4 Schematic diagram of the cross-sectional structure at AA in the middle;

[0023] Figure 6 For this utility model Figure 4 Schematic diagram of the cross-sectional structure at BB in the middle;

[0024] Figure 7 It is a three-dimensional structural schematic diagram of the utility model;

[0025] Figure 8 For this utility model Figure 7 Schematic diagram of the local enlarged structure at point A in the middle.

[0026] Markings in the attached drawings: 1. fixed frame; 2. supporting roller; 3. adapter block; 4. supporting plate 1; 5. supporting plate 2; 6. transmission shaft; 7. supporting plate wheel; 8. frame plate 2; 9. frame plate 1; 10. supporting shaft; 11. limiting wheel; 12. positioning screw 2; 13. positioning plate; 14. limiting nut 2; 15. hanging plate; 16. limiting screw 3; 17. limiting nut 4; 18. limiting nut 3; 19. positioning screw 1; 20. limiting nut 1; 21. widening plate; 22. extension plate; 23. rolling wheel; 24. rotating drive unit; 25. rotating wheel; 26. transmission belt 1; 27. linkage shaft; 28. transmission wheel; 29. ​​transmission belt 2. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Example:

[0029] See also Figure 1-8 A vehicle box bottom plate roll forming assembly comprises a conveying assembly for conveying vehicle box raw materials and a rolling assembly for roll forming.

[0030] The conveying assembly includes a bracket assembly, a transmission shaft 6, a supporting wheel 7, a frame plate 28, a frame plate 19, a support shaft 10, a limiting wheel 11, a rotating drive unit 24, a rotating wheel 25, a transmission belt 1 26, a linkage shaft 27, a transmission wheel 28 and a transmission belt 2 29. The bracket assembly is equipped with a plurality of frame plates 2 8 and a frame plate 1 9, a plurality of transmission shafts 6 are rotatably connected to the frame plate 2 8, a supporting wheel 7 for supporting the raw materials in the carriage is installed on the transmission shaft 6, a plurality of support shafts 10 are rotatably connected to the frame plate 19, and a plurality of support shafts 10 are connected to the support shaft 10. A limiting wheel 11 is connected, and several limiting wheels 11 and a supporting plate wheel 7 are arranged relatively to each other. A linkage shaft 27 is rotatably connected to the bracket assembly, and several transmission wheels 28 are connected to the linkage shaft 27. More than one number of rotating wheels 25 are connected to the transmission shaft 6, and several rotating wheels 25 on adjacent transmission shafts 6 are connected through a transmission belt 1 26. The rotating driving part 24 is installed on the bracket assembly, and the output shaft of the rotating driving part 24 is connected to the linkage shaft 27, and the transmission wheel 28 and the corresponding rotating wheel 25 are connected through a transmission belt 2 29.

[0031] The rolling assembly includes a hanging plate 15, a positioning screw 19, a limiting nut 20, a widening plate 21, an extension plate 22 and a rolling wheel 23. The bracket assembly is connected to a plurality of hanging plates 15. The positioning screw 19 passes through the hanging plate 15. The positioning screw 19 is connected to a plurality of limiting nuts 20. The limiting nuts 20 are distributed on both sides of the hanging plate 15. The positioning screw 19 is connected to the widening plate 21. The widening plate 21 is connected to a plurality of extension plates 22. The extension plate 22 is in an L-shaped plate shape. The extension plate 22 rotates on the A plurality of rolling wheels 23 are connected, the connection between the output shaft of the rotary drive unit 24 and the linkage shaft 27 is one of a key connection and a coupling connection, the frame plate 28 and the transmission shaft 6 are preferably rotatably connected through a bearing, the frame plate 1 9 and the support shaft 10 are preferably rotatably connected through a bearing, a guide angle for molding the carriage raw material is provided on the support plate wheel 7, the transmission wheel 28 and the rotating wheel 25 are preferably sprocket wheels, the transmission belt 29 and the transmission belt 1 26 are chains, the limiting wheel 11 is preferably a rubber wheel, preferably a poly The urethane wheel, the rotating drive part 24 is a motor, preferably a motor with a reducer, and the frame plate 28 and the frame plate 1 9 are supported by the bracket assembly. The frame plate 28 and the frame plate 1 9 support the transmission shaft 6 and the pallet wheel 7, and the transmitted car body sheet metal raw material is placed on the pallet wheel 7, and the linkage shaft 27 and the transmission wheel 28 are driven to rotate by the rotating drive part 24, and the adjacent rotating wheels 25 are connected by the transmission belt 1 26, thereby driving each rotating wheel 25 to rotate synchronously at the same time, and the rotating wheel 25 drives the transmission shaft 6 and the pallet wheel 7 to rotate, which is convenient for driving the rolling part to transmit and improve the synchronization effect of the transmission part. The limiting wheel 11 is supported by the support shaft 10, and the limiting wheel 11 presses the position of the transmitted car body sheet metal raw material to reduce the situation of the car body raw material that needs to be processed rising. The transmitted car body sheet metal raw material is pressed by the rolling wheel 23, and the rolling forming part is convenient for forming the sheet metal during the transmission process, and the rolling forming effect of the sheet metal is improved. The raw materials are transmitted during the transportation process, and the transportation efficiency of the raw materials is improved. The sheet metal can be rolled during the transportation process.

[0032] Reference Figure 1 and 2 , wherein the conveying assembly also includes a fixed frame 1, a supporting roller 2 and an adapter block 3. Bracket assemblies are arranged on both sides of the fixed frame 1. A plurality of supporting rollers 2 are arranged on the fixed frame 1. Adapter blocks 3 are connected to both ends of the supporting rollers 2. The adapter block 3 is connected to the fixed frame 1. Transmission wheels 28 are distributed on both sides of the fixed frame 1. The linkage shaft 27 drives each transmission wheel 28 to rotate and can simultaneously drive the wheels 25 on both sides to rotate synchronously. The supporting roller 2 is shaft-shaped in the middle part, and a roller is arranged on the outside of the supporting roller 2, which is a common conveying roller structure. The fixed shafts at both ends of the supporting roller 2 are connected to the adapter block 3. Preferably, the adapter block 3 is a nut or a plate with a hole. The plurality of supporting rollers 2 are supported by the fixed frame 1, so that the transmitted sheet metal is placed on the supporting roller 2, supporting the middle part of the sheet metal raw material of the car body, reducing the skewness of the sheet metal, and improving the positioning and supporting effect of the car body raw material.

[0033] Reference Figure 1 and 2 The conveying assembly also includes a positioning screw 12, a positioning plate 13 and a limiting nut 14. The frame plate 9 is connected with the positioning screw 12, the positioning plate 13 and the bracket assembly are connected, the positioning screw 12 passes through the positioning plate 13, and a plurality of limiting nuts 14 are connected to the positioning screw 12. The limiting nuts 14 are distributed on both sides of the positioning plate 13. The frame plate 9 is supported by the positioning screw 12, the positioning plate 13 and the limiting nuts 14, so as to improve the supporting and positioning effect of the frame plate 9 and facilitate the disassembly of the frame plate 9.

[0034] Reference Figure 1 and 3 The rolling assembly also includes a limiting screw rod 3 16, a limiting nut 4 17 and a limiting nut 3 18. A plurality of limiting screw rods 3 16 are connected to the bracket assembly. The limiting screw rod 3 16 passes through the hanging plate 15. A plurality of limiting nuts 4 17 are connected to the limiting screw rod 3 16. The limiting nut 4 17 is located at the lower side of the hanging plate 15. The limiting screw rod 3 16 is connected to the limiting nut 3 18. The limiting nut 3 18 is located at the upper side of the hanging plate 15. The hanging plate 15 is supported by the limiting nut 4 17 to improve the supporting and positioning effect of the hanging plate 15. The limiting nut 4 17 and the limiting nut 3 18 limit the position of the hanging plate 15 to reduce the deviation of the hanging plate 15. Different numbers of limiting nuts 4 17 can be disassembled and assembled to further adjust the height of the hanging plate 15.

[0035] Reference Figure 1 and 6 The bracket assembly includes a support plate 14 and a support plate 25, a limit screw 3 16 is connected to the support plate 14, and a plurality of frame plates 28 and frame plates 19 are arranged on the support plate 14 and the support plate 25, the support plate 14 and the support plate 25 are both rotatably connected with the linkage shaft 27, a gap is arranged between the support plate 14 and the support plate 25, the rotating wheel 25 and the transmission belt 1 26 are located in the middle area relatively between the support plate 14 and the support plate 25, the support plate 14 and the support plate 25 are connected by a plate, a seat bearing for supporting the linkage shaft 27 is installed on the support plate 25, and the rotation driving part 24 is installed on one of the support plates 25, and the frame plates 28 and the frame plates 19 are supported by the support plates 14 and the support plates 25, so as to increase the length of the support, and the rotating wheel 25 and the transmission belt 1 26 are protected by the support plates 14 and the support plates 25, so as to improve the protection effect of the rotating wheel 25 and the transmission belt 1 26.

[0036] Reference Figure 1 and 2, frame plate 2 8 and frame plate 1 9 correspond one to one, and the cross-sections of frame plate 2 8 and frame plate 1 9 are I-shaped. Support plate 1 4 and support plate 2 5 are both provided with limiting grooves corresponding to frame plate 2 8 and frame plate 1 9. Support plate 1 4 and support plate 2 5 are both connected with a plurality of positioning plates 13. The cross-sectional shape of frame plate 2 8 and frame plate 1 9 is conducive to limiting the position of frame plate 2 8 and frame plate 1 9, improving the guiding and supporting effect of frame plate 2 8 and frame plate 1 9, and reducing the position deviation of frame plate 2 8 and frame plate 1 9.

[0037] Reference Figure 1 and 3 A plurality of long holes are provided on the widening plate 21, and bolts for connecting the widening plate 21 and the support plate 4 pass through the long holes on the widening plate 21. The provision of the long holes is conducive to adjusting the position of the widening plate 21 and further improving the positioning effect of the widening plate 21, the extension plate 22 and the rolling wheel 23.

[0038] When in use, the rotary drive unit 24 is started, and the rotary drive unit 24 drives the linkage shaft 27 to rotate, and the linkage shaft 27 drives the transmission wheel 28 to rotate, and the transmission wheel 28 drives the rotating wheel 25 to rotate through the transmission belt 29, and the adjacent rotating wheels 25 are connected by the transmission belt 1 26, thereby driving each rotating wheel 25, the transmission shaft 6 and the support wheel 7 to rotate at the same time, and transmitting the raw material to between the limiting wheel 11 and the support wheel 7, and between the rolling wheel 23 and the support wheel 7, and the raw material is rolled into shape by the rolling wheel 23.

[0039] It should be noted that the phrases "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments", etc. mentioned in the specification indicate that the described embodiments may include certain features, structures or characteristics, but not every embodiment may include the certain features, structures or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when describing certain features, structures or characteristics in conjunction with an embodiment, it is within the knowledge of those skilled in the art to implement such features, structures or characteristics in conjunction with other embodiments, whether explicitly or not explicitly described.

[0040] It should be easily understood that “on,” “above,” and “over” in the present disclosure should be interpreted in the broadest manner, so that “on” not only means “directly on something,” but also includes the meaning of “on something” with intervening features or layers therebetween, and “above” or “over” not only includes the meaning of “above” or “over,” but also may include the meaning of “above” or “over something” with no intervening features or layers therebetween (i.e., directly on something).

[0041] In addition, spatially relative terms, such as "below," "below," "beneath," "above," "above," etc., may be used herein for ease of description to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation shown in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein may likewise be interpreted accordingly.

[0042] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A vehicle floor roll forming assembly, characterized in that: It includes a conveying component for conveying the raw materials of the carriage and a rolling component for rolling forming; The conveying assembly comprises a support assembly, a transmission shaft (6), a plate support wheel (7), a frame plate 2 (8), a frame plate 1 (9), a support shaft (10), a limiting wheel (11), a rotary drive unit (24), a rotating wheel (25), a transmission belt 1 (26), a linkage shaft (27), a transmission wheel (28) and a transmission belt 2 (29); the support assembly is provided with a plurality of frame plates 2 (8) and frame plate 1 (9); the frame plate 2 (8) is rotatably connected to a plurality of transmission shafts (6); the transmission shaft (6) is provided with a plate support wheel (7) for supporting the raw materials in the vehicle box; the frame plate 1 (9) is rotatably connected to a plurality of support shafts (10); the support shaft ( A limit wheel (11) is connected to the support assembly (10), a plurality of limit wheels (11) and a support plate wheel (7) are arranged opposite to each other, a linkage shaft (27) is rotatably connected to the support assembly, a plurality of transmission wheels (28) are connected to the linkage shaft (27), one or more rotating wheels (25) are connected to the transmission shaft (6), a plurality of rotating wheels (25) on adjacent transmission shafts (6) are connected in transmission via a transmission belt 1 (26), a rotation driving unit (24) is mounted on the support assembly, an output shaft of the rotation driving unit (24) is connected to the linkage shaft (27), and a transmission wheel (28) and a corresponding rotating wheel (25) are connected in transmission via a transmission belt 2 (29); The rolling assembly comprises a hanging plate (15), a positioning screw (19), a limiting nut (20), a widening plate (21), an extension plate (22) and a rolling wheel (23); a plurality of hanging plates (15) are connected to the bracket assembly; a positioning screw (19) passes through the hanging plate (15); a plurality of limiting nuts (20) are connected to the positioning screw (19); the limiting nuts (20) are distributed on both sides of the hanging plate (15); the positioning screw (19) is connected to the widening plate (21); a plurality of extension plates (22) are connected to the widening plate (21); the extension plate (22) is in an L-shaped plate shape; and a plurality of rolling wheels (23) are rotatably connected to the extension plate (22).

2. A vehicle floor roll forming assembly according to claim 1, characterized in that: The conveying assembly further comprises a fixed frame (1), a supporting roller (2) and a transfer block (3); support assemblies are arranged on both sides of the fixed frame (1); a plurality of supporting rollers (2) are arranged on the fixed frame (1); both ends of the supporting rollers (2) are connected to the transfer blocks (3); and the transfer blocks (3) are connected to the fixed frame (1).

3. The vehicle floor roll forming assembly according to claim 1, characterized in that: The conveying assembly also includes a second positioning screw rod (12), a positioning plate (13) and two limiting nuts (14); the first frame plate (9) is connected with the second positioning screw rod (12); the positioning plate (13) and the bracket assembly are connected; the second positioning screw rod (12) passes through the positioning plate (13); a plurality of second limiting nuts (14) are connected to the second positioning screw rod (12); and the second limiting nuts (14) are distributed on both sides of the positioning plate (13).

4. The vehicle floor roll forming assembly according to claim 1, characterized in that: The rolling assembly also includes a limiting screw rod three (16), a limiting nut rod four (17) and a limiting nut rod three (18). The bracket assembly is connected with a plurality of limiting screw rods three (16). The limiting screw rod three (16) passes through the hanging plate (15). The limiting screw rod three (16) is connected with a plurality of limiting nuts four (17). The limiting nut rod four (17) is located at the lower side of the hanging plate (15). The limiting screw rod three (16) is connected with a limiting nut rod three (18). The limiting nut rod three (18) is located at the upper side of the hanging plate (15).

5. The vehicle floor roll forming assembly according to claim 1, characterized in that: The support assembly comprises a support plate 1 (4) and a support plate 2 (5), a limiting screw rod 3 (16) is connected to the support plate 1 (4), a plurality of frame plates 2 (8) and frame plates 1 (9) are arranged on the support plate 1 (4) and the support plate 2 (5), the support plate 1 (4) and the support plate 2 (5) are rotatably connected to the linkage shaft (27), a gap is arranged between the support plate 1 (4) and the support plate 2 (5), and the rotating wheel (25) and the transmission belt 1 (26) are located in the middle area between the support plate 1 (4) and the support plate 2 (5).

6. The vehicle floor roll forming assembly according to claim 5, characterized in that: The frame plate 2 (8) and the frame plate 1 (9) correspond to each other one by one. The cross-sections of the frame plate 2 (8) and the frame plate 1 (9) are in an I-shaped shape. The support plate 1 (4) and the support plate 2 (5) are both provided with limit grooves corresponding to the frame plate 2 (8) and the frame plate 1 (9). The support plate 1 (4) and the support plate 2 (5) are both connected to a plurality of positioning plates (13).

7. The vehicle floor roll forming assembly according to claim 1, characterized in that: The widening plate (21) is provided with a plurality of elongated holes, and bolts for connecting the widening plate (21) and the supporting plate 1 (4) pass through the elongated holes on the widening plate (21).

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