Light-weight automobile container portal frame one-time bending device

Abstract

The invention relates to the technical field of automobile container portal frame bending, and discloses a light-weight automobile container portal frame one-time bending device which comprises a supporting rod, a machining table is fixedly connected to the top of the supporting rod, a rotary bending mechanism is arranged on the inner side of the machining table, and a feeding mechanism is arranged on the right side of the top of the machining table. A rotary bending mechanism is arranged at the bottom of the machining table, a limiting mechanism is arranged at the top of the rotary bending mechanism, the rotary bending mechanism comprises a rotating assembly and a bending assembly, the rotating assembly is arranged at the bottom of the machining table, the bending assembly is arranged at the top of the machining table, the rotating assembly comprises a fixing frame, and the fixing frame is fixedly connected to the bottom of the machining table. The fixing plate and the bending device are driven by the first air cylinder to move downwards, when the bottom of an auxiliary plate makes contact with a pressing plate, the auxiliary plate can extrude a second spring, through the elastic acting force of the second spring, the auxiliary plate can press the pressing plate, and the bending device is more stable when bending the automobile container portal frame.

Description

Technical Field

[0001] The invention relates to the technical field of automobile cargo box gantry bending, in particular to a light-weight automobile cargo box gantry one-time bending device. Background Art

[0002] Lightweight vehicles refer to vehicles that have been designed to reduce their curb weight as much as possible by adopting new lightweight materials, optimizing structures, and improving processes while ensuring their strength and safety. Lightweight vehicle cargo gantry refers to a vehicle cargo box structure that is manufactured using lightweight materials and design concepts and is used to fix and support cargo. This structure is usually composed of multiple rods that can be connected horizontally or vertically to form a solid frame for carrying cargo and ensuring safety during transportation.

[0003] A bending device for a car cargo box gantry with announcement number CN 216937844 U, after the controller receives a signal, first turns off the switch of the motor, then the controller turns on the switch of the multi-stage hydraulic rod. When the multi-stage hydraulic rod is working, it drives the connecting frame to move through the connecting seat, and completes the bending work under the guidance of the slider and the arc groove.

[0004] The bending device of the automobile cargo box gantry, when the multi-stage hydraulic rod is working, drives the connecting frame to move through the connecting seat, and completes the bending work under the guidance of the slider and the arc groove. However, when the bending position of the material needs to be adjusted, the position of the material cannot be rotated, and the position of the material needs to be manually adjusted by the staff, which is more troublesome and therefore needs to be improved. Summary of the invention

[0005] The object of the present invention is to provide a lightweight automobile cargo box gantry single-bending device to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a lightweight automobile cargo box gantry one-time bending device, comprising a support rod, a processing table is fixedly connected to the top of the support rod, a rotary bending mechanism is arranged inside the processing table, a feeding mechanism is arranged on the right side of the top of the processing table, and a limiting mechanism is arranged on the top of the rotary bending mechanism;

[0007] The rotary bending mechanism comprises a rotary assembly and a bending assembly, wherein the rotary assembly is arranged at the bottom of the processing table, and the bending assembly is arranged at the top of the processing table;

[0008] The rotating assembly includes a fixed frame, which is fixedly connected to the bottom of the processing table, a pad is fixedly connected to the bottom of the fixed frame, a second motor is fixedly connected to the top of the pad, a worm is fixedly connected to the back end of the second motor, a worm is meshed with a worm wheel on the left side of the worm, a support is fixedly connected to the bottom of the worm wheel, a threaded rod is threadedly connected to the inside of the worm wheel, a lifting plate is fixedly connected to the top of the threaded rod, a sliding plate is fixedly connected to the bottom periphery of the lifting plate, and the sliding plate is slidably connected to the inner side of the fixed frame, a rotating motor is fixedly connected to the top of the rotating motor, a rotating shaft is fixedly connected to the top of the rotating shaft, a rotating disk is fixedly connected to the top left side of the lifting plate, a double-axis cylinder is fixedly connected to the front and rear sides of the double-axis cylinder are fixedly connected to linkage plates, a push plate is provided at the bottom of the fixed frame, and the push plate is slidably connected to the inner side of the processing table.

[0009] According to the above technical solution, there are four support members, and the four support members are respectively fixedly connected to the outer periphery of the bottom of the worm gear. The provided support members can support the worm gear, making the worm gear more stable during rotation.

[0010] According to the above technical solution, a circular groove corresponding to the movement trajectory of the support member is opened at the bottom of the fixing frame, and the support member is slidably connected to the inside of the circular groove. The circular groove makes the support member more stable during the rotation process.

[0011] According to the above technical solution, a rectangular groove corresponding to the size of the linkage plate is opened inside the push plate, and the linkage plate is slidably connected inside the rectangular groove. Through the opened rectangular groove, the linkage plate can be inserted into the push plate. When the linkage plate moves, it can drive the push plate to move upward.

[0012] According to the above technical scheme, the press bending assembly includes a connecting frame, the connecting frame is fixedly connected to the top of the processing table, the top of the connecting frame is fixedly connected to the first cylinder, the bottom of the first cylinder is fixedly connected to a fixing plate, the bottom of the fixing plate is fixedly connected to a press bender, the inside of the fixing plate is slidably connected to a first limit rod, the bottom of the first limit rod is fixedly connected to an auxiliary plate, the top back end of the auxiliary plate is fixedly connected to a second limit rod, the second limit rod is slidably connected to the inside of the fixing plate, the outer periphery of the second limit rod is sleeved with a second spring, the top of the second spring is fixedly connected to the bottom of the fixing plate, the bottom of the second spring is fixedly connected to the top of the auxiliary plate, the inner side of the connecting frame is slidably connected to a sliding rod, the top of the sliding rod is fixedly connected to a limiting disk, the bottom of the sliding rod is fixedly connected to a pressing plate, the bottom of the pressing plate is fixedly connected to an inclined plate, the inclined plate is slidably connected to the inner side of the processing table, and the outer periphery of the pressing plate is sleeved with the first spring.

[0013] According to the above technical solution, the top of the first spring is fixedly connected to the top of the connecting frame, and the bottom of the first spring is fixedly connected to the top of the pressing plate. Through the elastic force of the first spring, the pressing effect of the pressing plate on the gantry is better, making the position of the gantry less likely to shift.

[0014] According to the above technical solution, the feeding mechanism includes a connecting plate, the connecting plate is fixedly connected to the right side of the bottom of the processing table, the right side of the connecting plate is fixedly connected to a second cylinder, the left side of the second cylinder is fixedly connected to a moving block, the top of the moving block is fixedly connected to a slide plate, the left side of the slide plate is fixedly connected to an extrusion plate, the top of the extrusion plate is fixedly connected to a push plate, the right side of the push plate is fixedly connected to a blocking plate, and the top of the processing table is fixedly connected to a storage frame.

[0015] According to the above technical solution, a slide groove corresponding to the movement trajectory of the skateboard is opened on the inner side of the processing table, and the skateboard is slidably connected to the inside of the slide groove. Through the opened slide groove, the sliding plate can slide inside the processing table, making the sliding plate more stable during the movement.

[0016] According to the above technical solution, the limiting mechanism includes a support frame, the support frame is fixedly connected to the top of the rotating disk, a vertical rod is fixedly connected inside the support frame, a movable plate is slidably connected to the periphery of the vertical rod, a fourth spring is sleeved on the periphery of the vertical rod, vertical plates are fixedly connected to the left and right sides of the top of the movable plate, a fixed rod is fixedly connected to the inner side of the vertical plate, a push block is slidably connected to the periphery of the fixed rod, a third spring is sleeved on the periphery of the fixed rod, and an extrusion block is fixedly connected to the bottom of the push block.

[0017] According to the above technical solution, the left side of the third spring is fixedly connected to the right side of the vertical plate, and the right side of the third spring is fixedly connected to the left side of the push block. The third spring can drive the push block to move, so that the push block can drive the extrusion block to move, so that the extrusion block moves to the top of the gantry to limit the gantry.

[0018] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0019] 1. The one-time bending device of the lightweight automobile cargo box gantry is provided with a rotating bending mechanism, and the automobile cargo box gantry is placed on the left side of the top of the processing table. The first spring drives the pressing plate and the sliding rod to move downward to press and fix the gantry. When the pressed gantry position needs to be rotated, the linkage plate is driven to move by the double-axis cylinder, so that the linkage plate can drive the push plate to move upward, so that the linkage plate can move the inclined plate upward, so that the pressing plate is away from the gantry, and the rotating disk can drive the gantry to rotate. When the gantry rotates, the worm is driven to rotate by the first motor, so that the worm drives the threaded rod to move downward through the worm gear, so that the gantry moves downward, and the pressing plate can press and fix the gantry. The fixed plate and the press bender are driven downward by the first cylinder. When the bottom of the auxiliary plate contacts the pressing plate, the auxiliary plate can squeeze the second spring. Through the elastic force of the second spring, the auxiliary plate can press the pressing plate, so that the press bender is more stable when pressing and bending the automobile cargo box gantry.

[0020] 2. The one-time bending device of the lightweight automobile cargo box gantry, through the provided feeding mechanism, when the automobile cargo box gantry needs to be discharged, the gantry is placed inside the storage frame, and the moving block is driven to move by the second cylinder, so that the moving block can drive the extrusion plate and the push plate to move through the slide plate, and the push plate can push the gantry. When the extrusion plate moves, it can squeeze the inclined plate, so that the inclined plate drives the pressing plate to move upward, so that the gantry can be pushed to the bottom of the connecting frame, and when the extrusion plate is retracted, the first spring can drive the pressing plate to press the gantry, so that the gantry is not easy to move.

[0021] 3. The one-time bending device of the lightweight automobile cargo box gantry has a limiting mechanism. When the gantry is rotated, the rotating disk drives the supporting frame to move upward, so that the extrusion block is squeezed by the gantry and the inner side of the movable plate is retracted, and the rotating disk continues to move upward. When the gantry does not squeeze the extrusion block, the third spring can drive the push block to move, so that the push block can drive the extrusion block to move, and the extrusion block moves to the top of the gantry, and the gantry is limited to make the gantry more stable during the rotation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 It is a three-dimensional diagram of the structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the structure of the rotary bending mechanism;

[0025] Figure 3 It is a schematic diagram of the rotating component structure;

[0026] Figure 4 Schematic diagram of the worm gear and worm structure;

[0027] Figure 5 It is a schematic diagram of the structure of the press-bending component;

[0028] Figure 6 is a schematic diagram of the inclined plate structure;

[0029] Figure 7 It is a schematic diagram of the feeding mechanism structure;

[0030] Figure 8 It is a schematic diagram of the limit mechanism structure;

[0031] Fig. 9 for Figure 8 Enlarged structural diagram at A in the middle.

[0032] In the figure: 1, support rod; 2, processing table; 3, rotating bending mechanism; 31, rotating assembly; 311, threaded rod; 312, fixed frame; 313, push plate; 314, rotating disk; 315, rotating shaft; 316, rotating motor; 317, lifting plate; 318, sliding plate; 319, pad; 3191, support member; 3192, worm gear; 3193, linkage plate; 3194, double-axis cylinder; 3195, worm; 3196, second motor; 32, bending assembly; 321, first spring; 322, bender; 323, pressing plate; 324, second spring; 325, sliding rod ;326, limit plate;327, first cylinder;328, fixed plate;329, first limit rod;3291, second limit rod;3292, auxiliary plate;3293, tilting plate;3294, connecting frame;4, feeding mechanism;41, storage frame;42, extrusion plate;43, slide plate;44, moving block;45, connecting plate;46, second cylinder;47, push plate;48, blocking plate;5, limit mechanism;51, extrusion block;52, support frame;53, vertical plate;54, push block;55, fixed rod;56, third spring;57, moving plate;58, vertical rod;59, fourth spring. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] The present invention provides the following technical solutions:

[0035] Embodiment 1

[0036] Combination Figure 1-9 A lightweight automobile cargo box gantry one-time bending device comprises a support rod 1, a processing table 2 is fixedly connected to the top of the support rod 1, a rotary bending mechanism 3 is arranged inside the processing table 2, a feeding mechanism 4 is arranged on the right side of the top of the processing table 2, and a limiting mechanism 5 is arranged on the top of the rotary bending mechanism 3;

[0037] The rotary bending mechanism 3 includes a rotary assembly 31 and a bending assembly 32. The rotary assembly 31 is arranged at the bottom of the processing table 2, and the bending assembly 32 is arranged at the top of the processing table 2.

[0038] The rotating assembly 31 includes a fixed frame 312, which is fixedly connected to the bottom of the processing table 2. A pad 319 is fixedly connected to the bottom of the fixed frame 312. A second motor 3196 is fixedly connected to the top of the pad 319. A worm 3195 is fixedly connected to the back end of the second motor 3196. A worm wheel 3192 is meshed with the left side of the worm 3195. A support member 3191 is fixedly connected to the bottom of the worm wheel 3192. A threaded rod 311 is threadedly connected to the inside of the worm wheel 3192. A lifting plate 317 is fixedly connected to the top of the threaded rod 311. The lifting plate 317 is fixedly connected to the top of the threaded rod 311. A sliding plate 318 is fixedly connected to the outer periphery of the bottom, and the sliding plate 318 is slidably connected to the inner side of the fixed frame 312. A rotating motor 316 is fixedly connected to the top of the lifting plate 317, and a rotating shaft 315 is fixedly connected to the top of the rotating motor 316. A rotating disk 314 is fixedly connected to the top of the rotating shaft 315. A double-axis cylinder 3194 is fixedly connected to the left side of the top of the lifting plate 317, and linkage plates 3193 are fixedly connected to the front and rear sides of the double-axis cylinder 3194. A push plate 313 is provided at the bottom of the fixed frame 312, and the push plate 313 is slidably connected to the inner side of the processing table 2.

[0039] Furthermore, there are four support members 3191, and the four support members 3191 are respectively fixedly connected to the outer periphery of the bottom of the worm gear 3192. The support members 3191 can support the worm gear 3192, so that the worm gear 3192 is more stable during the rotation process.

[0040] Furthermore, a circular groove corresponding to the movement trajectory of the support member 3191 is opened at the bottom of the fixing frame 312, and the support member 3191 is slidably connected to the inside of the circular groove. The opening of the circular groove makes the support member 3191 more stable during the rotation process.

[0041] Furthermore, a rectangular groove corresponding to the size of the linkage plate 3193 is opened inside the push plate 313, and the linkage plate 3193 is slidably connected inside the rectangular groove. Through the opened rectangular groove, the linkage plate 3193 can be inserted into the push plate 313. When the linkage plate 3193 moves, it can drive the push plate 313 to move upward.

[0042] Embodiment 2

[0043] See also Figure 1-9 On the basis of the first embodiment, the bending assembly 32 further comprises a connecting frame 3294, the connecting frame 3294 is fixedly connected to the top of the processing table 2, the top of the connecting frame 3294 is fixedly connected to the first cylinder 327, the bottom of the first cylinder 327 is fixedly connected to the fixing plate 328, the bottom of the fixing plate 328 is fixedly connected to the bending device 322, the inside of the fixing plate 328 is slidably connected to the first limiting rod 329, the bottom of the first limiting rod 329 is fixedly connected to the auxiliary plate 3292, the top back end of the auxiliary plate 3292 is fixedly connected to the second limiting rod 3291, and the second limiting rod 3291 is slidably connected to the Inside the fixed plate 328, the second spring 324 is sleeved on the outer periphery of the second limiting rod 3291, the top of the second spring 324 is fixedly connected to the bottom of the fixed plate 328, the bottom of the second spring 324 is fixedly connected to the top of the auxiliary plate 3292, the inner side of the connecting frame 3294 is slidably connected to the sliding rod 325, the top of the sliding rod 325 is fixedly connected to the limiting disk 326, the bottom of the sliding rod 325 is fixedly connected to the pressing plate 323, the bottom of the pressing plate 323 is fixedly connected to the inclined plate 3293, the inclined plate 3293 is slidably connected to the inner side of the processing table 2, and the first spring 321 is sleeved on the outer periphery of the pressing plate 323.

[0044] Furthermore, the top of the first spring 321 is fixedly connected to the top of the connecting frame 3294, and the bottom of the first spring 321 is fixedly connected to the top of the pressing plate 323. Through the elastic force of the first spring 321, the pressing effect of the pressing plate 323 on the gantry is better, making the position of the gantry less likely to shift.

[0045] Embodiment 3

[0046] See also Figure 1-9 On the basis of the first embodiment, the feeding mechanism 4 further comprises a connecting plate 45, the connecting plate 45 is fixedly connected to the right side of the bottom of the processing table 2, the right side of the connecting plate 45 is fixedly connected to the second cylinder 46, the left side of the second cylinder 46 is fixedly connected to the moving block 44, the top of the moving block 44 is fixedly connected to the slide plate 43, the left side of the slide plate 43 is fixedly connected to the extrusion plate 42, the top of the extrusion plate 42 is fixedly connected to the push plate 47, the right side of the push plate 47 is fixedly connected to the blocking plate 48, and the top of the processing table 2 is fixedly connected to the storage frame 41.

[0047] Furthermore, a slide groove corresponding to the movement trajectory of the slide plate 43 is opened on the inner side of the processing table 2, and the slide plate 43 is slidably connected inside the slide groove. Through the opened slide groove, the sliding plate 318 can slide on the inner side of the processing table 2, making the sliding plate 318 more stable during the movement.

[0048] Embodiment 4

[0049] See also Figure 1-9On the basis of the first embodiment, the limiting mechanism 5 further comprises a support frame 52, the support frame 52 is fixedly connected to the top of the rotating disk 314, a vertical rod 58 is fixedly connected inside the support frame 52, a movable plate 57 is slidably connected to the periphery of the vertical rod 58, a fourth spring 59 is sleeved on the periphery of the vertical rod 58, vertical plates 53 are fixedly connected to the left and right sides of the top of the movable plate 57, a fixed rod 55 is fixedly connected to the inner side of the vertical plate 53, a push block 54 is slidably connected to the periphery of the fixed rod 55, a third spring 56 is sleeved on the periphery of the fixed rod 55, and an extrusion block 51 is fixedly connected to the bottom of the push block 54.

[0050] Furthermore, the left side of the third spring 56 is fixedly connected to the right side of the vertical plate 53, and the right side of the third spring 56 is fixedly connected to the left side of the push block 54. The third spring 56 can drive the push block 54 to move, so that the push block 54 can drive the extrusion block 51 to move, so that the extrusion block 51 moves to the top of the gantry to limit the gantry.

[0051] In actual operation, when the device is used, the gantry is placed inside the storage frame 41, and the second cylinder 46 drives the moving block 44 to move, so that the moving block 44 can drive the squeezing plate 42 and the pushing plate 47 to move through the slide plate 43, and the pushing plate 47 can push the gantry. When the squeezing plate 42 moves, it can squeeze the inclined plate 3293, so that the inclined plate 3293 drives the pressing plate 323 to move upward, so that the gantry can be pushed to the bottom of the connecting frame 3294. When the squeezing plate 42 is retracted, the first spring 321 can drive the pressing plate 323 to press the gantry.

[0052] When the pressed gantry position needs to be rotated, the linkage plate 3193 is driven to move by the double-axis cylinder 3194, and the worm 3195 is driven to rotate by the first motor, so that the worm 3195 drives the threaded rod 311 to move upward through the worm gear 3192, and the rotating disk 314 drives the support frame 52 to move upward, so that the extrusion block 51 is squeezed by the gantry, and the inner side of the moving plate 57 is retracted, and the rotating disk 314 continues to move upward. When the gantry does not squeeze the extrusion block 51, the third spring 56 can drive the push block 54 to move, so that the push block 54 can drive the extrusion block 51 to move, so that the extrusion block 51 moves to the top of the gantry to limit the gantry;

[0053] The rotating disk 314 drives the support frame 52 to move downward, so that the linkage plate 3193 moves to the opening of the push plate 313, and the linkage plate 3193 is driven to move by the double-axis cylinder 3194. When the double-axis cylinder 3194 moves upward, the linkage plate 3193 can drive the push plate 313 to move upward, so that the linkage plate 3193 can drive the inclined plate 3293 to move upward, so that the pressing plate 323 is away from the gantry, and the rotating disk 314 can drive the gantry to rotate. After the gantry rotates, the first cylinder 327 drives the fixed plate 328 and the press bender 322 to move downward, so that the press bender 322 can squeeze the extrusion block 51, so that the extrusion block 51 is retracted to the inner side of the support frame 52. The extrusion block 51 cannot fix the gantry. The first motor drives the worm 3195 to rotate, so that the worm 3195 drives the threaded rod 311 to move downward through the worm gear 3192, so that the gantry moves downward, and the pressing plate 323 can press and fix the gantry. The first cylinder 327 drives the fixing plate 328 and the press bender 322 to move downward. When the bottom of the auxiliary plate 3292 contacts the pressing plate 323, the auxiliary plate 3292 can squeeze the second spring 324. Through the elastic force of the second spring 324, the auxiliary plate 3292 can press the pressing plate 323, so that the press bender 322 is more stable when bending the car cargo box gantry.

[0054] It should be noted that, in this article, relational terms such as first and second, etc. 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.

[0055] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A single bending device for a lightweight automobile cargo box gantry, comprising a support rod (1), characterized in that: The top of the support rod (1) is fixedly connected to a processing table (2), a rotary bending mechanism (3) is arranged inside the processing table (2), a feeding mechanism (4) is arranged on the right side of the top of the processing table (2), and a limiting mechanism (5) is arranged on the top of the rotary bending mechanism (3); The rotary bending mechanism (3) comprises a rotary component (31) and a bending component (32), wherein the rotary component (31) is arranged at the bottom of the processing table (2), and the bending component (32) is arranged at the top of the processing table (2); The rotating assembly (31) comprises a fixed frame (312), wherein the fixed frame (312) is fixedly connected to the bottom of the processing table (2), a pad (319) is fixedly connected to the bottom of the fixed frame (312), a second motor (3196) is fixedly connected to the top of the pad (319), a worm (3195) is fixedly connected to the back end of the second motor (3196), a worm wheel (3192) is meshed on the left side of the worm (3195), a support member (3191) is fixedly connected to the bottom of the worm wheel (3192), a threaded rod (311) is threadedly connected to the inside of the worm wheel (3192), a lifting plate (317) is fixedly connected to the top of the threaded rod (311), and the lifting plate A sliding plate (318) is fixedly connected to the outer periphery of the bottom of (317), and the sliding plate (318) is slidably connected to the inner side of the fixed frame (312). A rotating motor (316) is fixedly connected to the top of the lifting plate (317), and a rotating shaft (315) is fixedly connected to the top of the rotating motor (316). A rotating disk (314) is fixedly connected to the top of the rotating shaft (315). A double-axis cylinder (3194) is fixedly connected to the left side of the top of the lifting plate (317), and a linkage plate (3193) is fixedly connected to the front and rear sides of the double-axis cylinder (3194). A push plate (313) is provided at the bottom of the fixed frame (312), and the push plate (313) is slidably connected to the inner side of the processing table (2).

2. The one-step bending device for a lightweight automobile cargo box gantry according to claim 1 is characterized in that: There are four support members (3191), and the four support members (3191) are respectively fixedly connected to the outer periphery of the bottom of the worm gear (3192).

3. The one-step bending device for a lightweight automobile cargo box gantry according to claim 2 is characterized in that: The inner bottom of the fixing frame (312) is provided with a circular groove corresponding to the movement track of the support member (3191), and the support member (3191) is slidably connected inside the circular groove.

4. The one-step bending device for a lightweight automobile cargo box gantry according to claim 3 is characterized in that: A rectangular groove corresponding to the size of the linkage plate (3193) is provided inside the push plate (313), and the linkage plate (3193) is slidably connected inside the rectangular groove.

5. The one-step bending device for a lightweight automobile cargo box gantry according to claim 4 is characterized in that: The press-bending assembly (32) comprises a connecting frame (3294), wherein the connecting frame (3294) is fixedly connected to the top of the processing table (2), wherein the top of the connecting frame (3294) is fixedly connected to a first cylinder (327), wherein the bottom of the first cylinder (327) is fixedly connected to a fixing plate (328), wherein the bottom of the fixing plate (328) is fixedly connected to a press-bending device (322), wherein a first limiting rod (329) is slidably connected inside the fixing plate (328), wherein the bottom of the first limiting rod (329) is fixedly connected to an auxiliary plate (3292), wherein the top back end of the auxiliary plate (3292) is fixedly connected to a second limiting rod (3291), wherein the second limiting rod (3291) is slidably connected inside the fixing plate (328) The second limiting rod (3291) is sleeved with a second spring (324) on its periphery, the top of the second spring (324) is fixedly connected to the bottom of the fixing plate (328), the bottom of the second spring (324) is fixedly connected to the top of the auxiliary plate (3292), the inner side of the connecting frame (3294) is slidably connected with a sliding rod (325), the top of the sliding rod (325) is fixedly connected to a limiting disk (326), the bottom of the sliding rod (325) is fixedly connected to a pressing plate (323), the bottom of the pressing plate (323) is fixedly connected to an inclined plate (3293), the inclined plate (3293) is slidably connected to the inner side of the processing table (2), and the first spring (321) is sleeved with the periphery of the pressing plate (323).

6. The one-step bending device for a lightweight automobile cargo box gantry according to claim 5 is characterized in that: The top of the first spring (321) is fixedly connected to the top of the connecting frame (3294), and the bottom of the first spring (321) is fixedly connected to the top of the pressing plate (323).

7. The one-step bending device for a lightweight automobile cargo box gantry according to claim 6 is characterized in that: The feeding mechanism (4) comprises a connecting plate (45), the connecting plate (45) is fixedly connected to the right side of the bottom of the processing table (2), the right side of the connecting plate (45) is fixedly connected to a second cylinder (46), the left side of the second cylinder (46) is fixedly connected to a moving block (44), the top of the moving block (44) is fixedly connected to a slide plate (43), the left side of the slide plate (43) is fixedly connected to an extrusion plate (42), the top of the extrusion plate (42) is fixedly connected to a push plate (47), the right side of the push plate (47) is fixedly connected to a blocking plate (48), and the top of the processing table (2) is fixedly connected to a storage frame (41).

8. The one-step bending device for a lightweight automobile cargo box gantry according to claim 7 is characterized in that: A slide groove corresponding to the movement track of the slide plate (43) is provided on the inner side of the processing table (2), and the slide plate (43) is slidably connected inside the slide groove.

9. The one-step bending device for a lightweight automobile cargo box gantry according to claim 8 is characterized in that: The limiting mechanism (5) comprises a support frame (52), wherein the support frame (52) is fixedly connected to the top of the rotating disk (314), a vertical rod (58) is fixedly connected inside the support frame (52), a movable plate (57) is slidably connected to the periphery of the vertical rod (58), a fourth spring (59) is sleeved on the periphery of the vertical rod (58), vertical plates (53) are fixedly connected to the left and right sides of the top of the movable plate (57), a fixed rod (55) is fixedly connected to the inner side of the vertical plate (53), a push block (54) is slidably connected to the periphery of the fixed rod (55), a third spring (56) is sleeved on the periphery of the fixed rod (55), and a pressing block (51) is fixedly connected to the bottom of the push block (54).

10. The one-step bending device for a lightweight automobile cargo box gantry according to claim 9 is characterized in that: The left side of the third spring (56) is fixedly connected to the right side of the vertical plate (53), and the right side of the third spring (56) is fixedly connected to the left side of the push block (54).

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