A seamless steel pipe bending tool for vehicles

By designing the limit structure and bending structure in the vehicle seamless steel pipe bending tooling, the problem of the inability to accurately determine the bending position of the steel pipe in the prior art is solved, and fast and accurate steel pipe bending is achieved, which improves work efficiency and reduces physical strength consumption.

CN222725188UActive Publication Date: 2025-04-08SHIYAN CHIMA AUTOMOBILE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421395762.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-04-08
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

The existing steel pipe bending tooling cannot limit the ends of the steel pipe according to different bending positions, resulting in the inability to quickly and accurately determine the bending position of the steel pipe, and the working efficiency is low.

Method used

A seamless steel pipe bending tool for automotive use is designed, including U-shaped frame, limit structure, bending structure and load bearing plate. The limit structure drives the threaded shaft to rotate through the motor, causing the L-shaped plate to move, and determine the position of the limit plate according to the scale on the indicator plate, thereby ensuring that the end of the steel pipe abuts the limit plate and achieving accurate bending.

Benefits of technology

Through the setting of the limit structure, the bending position can be quickly determined according to the length and bending position of different steel pipes, improving workmanship efficiency and reducing physical strength consumption.

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Abstract

The utility model discloses a vehicle seamless steel pipe bending tool, comprising a U-shaped frame 1, a U-shaped frame 2 is fixed in the middle of the top of the U-shaped frame 1, a bending structure is arranged in the middle of the U-shaped frame 2, and the vehicle seamless steel pipe bending tool also includes: a limiting structure, and the limiting structure is arranged on the outer wall of one side of the U-shaped frame 1. When bending the steel pipe, the limiting plate is moved along the threaded shaft by the motor 2 in the limiting structure, and the length of the movement of the limiting plate is observed according to the scale position indicated by the indicator plate at the top of the fixed plate 2, so as to determine the position of the limiting plate, so that the limiting plate limits the end of the steel pipe, so that the bending position can be determined according to different steel pipes. When bending the same batch of steel pipes, the bending position of the steel pipe can be quickly determined, and the work efficiency is improved. The bearing plate is arranged at the inner bottom end of the U-shaped frame 1, and the bending structure is arranged on the top of the bearing plate. When bending the steel pipe, it is not necessary to carry the steel pipe to a higher operating table, which reduces physical exertion.
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Description

Technical Field

[0001] The present application relates to a seamless steel pipe bending tool for vehicles. Background Art

[0002] Automotive seamless steel pipe is a specially designed and manufactured steel pipe used in various applications in automobile manufacturing and maintenance. This steel pipe is produced through seamless steel pipe manufacturing technology and is seamless. It can transmit liquid or gas without welding. Automotive seamless steel pipe has many uses in the automotive industry, including exhaust systems, fuel systems, braking systems, etc. Seamless steel for automobiles exists in various shapes. During production, the steel pipe needs to be bent using bending tools.

[0003] Although the existing steel pipe bending tooling can bend steel pipes of different diameters and can be adjusted according to different bending radians, the bending positions of steel pipes for different purposes are different. When bending, the ends of the steel pipes cannot be limited according to the different bending positions, and the bending positions of the steel pipes cannot be accurately determined. When bending a large number of steel pipes, the bending positions of the steel pipes cannot be quickly determined, resulting in low work efficiency.

[0004] Therefore, it is desired to provide a seamless steel pipe bending tool for vehicles. Utility Model Content

[0005] In this embodiment, a seamless steel pipe bending tool for vehicles is provided to solve the problems of not being able to limit the end of the steel pipe according to different bending positions, not being able to quickly and accurately determine the bending position of the steel pipe, and low work efficiency.

[0006] According to one aspect of the present application, a bending tool for seamless steel pipes for vehicles is provided, comprising a U-shaped frame 1, a U-shaped frame 2 is fixed in the middle of the top of the U-shaped frame 1, and a bending structure is arranged in the middle of the U-shaped frame 2, characterized in that the bending tool for seamless steel pipes for vehicles also includes:

[0007] The limiting structure is arranged on an outer wall of one side of the U-shaped frame.

[0008] Furthermore, a circular through hole is provided in the middle of the top of the U-shaped frame 1, and a bearing plate is fixed inside the U-shaped frame 1 at the bottom of the through hole.

[0009] Furthermore, a disc is fixed in the middle of the top of the supporting plate, a ring 1 is sleeved on the outside of the disc, a ring 2 is sleeved on the outside of the ring 1, the bottoms of the rings 1 and 2 are engaged with the supporting plate, and handles are fixed at both ends of the tops of the rings 1 and 2.

[0010] Furthermore, the bending structure includes a motor 1, a T-shaped plate, an electric telescopic rod, a connecting rod and a bending column, and the motor 1 is fixed at the middle position of the top of the U-shaped frame 2.

[0011] Furthermore, a T-shaped plate is fixed to the output end of the motor through the top of the U-shaped frame 2, an electric telescopic rod is fixed to the side wall of the T-shaped plate, and a connecting rod is fixed to the other end of the electric telescopic rod.

[0012] Furthermore, the bottom end of the connecting rod passes through the through hole and extends downward, a bending column is fixed to the bottom end of the connecting rod, and the bottom of the bending column is slidably connected to the top of the bearing plate.

[0013] Furthermore, the limiting structure includes a fixing plate 1, a fixing plate 2, a motor 2, a threaded shaft, an L-shaped plate and a limiting plate, and the fixing plate 1 and the fixing plate 2 are symmetrically fixed on the outer wall of one side of the U-shaped frame 1.

[0014] Furthermore, a second motor is fixed in the middle of the side wall of the first fixing plate away from the second fixing plate, a threaded shaft is fixed on the output end of the second motor through the first fixing plate, and the other end of the threaded shaft is rotatably connected to the second fixing plate.

[0015] Furthermore, an L-shaped plate is threadedly connected to the threaded shaft, one end of the L-shaped plate extends toward one side of the second fixing plate, and a limiting plate is fixed to the end of the L-shaped plate close to the side wall of the first U-shaped frame.

[0016] Furthermore, an indicator plate is fixed to the top of one end of the second fixing plate away from the first U-shaped frame, the bottom of the indicator plate is slidably connected to the top of the L-shaped plate, and a scale is provided on the top of the L-shaped plate.

[0017] The benefits of this application are:

[0018] 1. Through the setting of the limiting structure, when bending the steel pipe, the distance between the bending position of the steel pipe and the end of the steel pipe is determined according to the length of the steel pipe, and then the threaded shaft is driven to rotate by the second motor in the limiting structure to move the L-shaped plate along the threaded shaft, so that the limiting plate at the end of the L-shaped plate moves, and the position of the limiting plate is determined according to the scale position indicated by the indicator plate at the top of the second fixed plate, so that the end of the steel pipe is abutted against the limiting plate. At this time, the bending position of the steel pipe corresponds to the position of the bending column, so that the bending position can be determined according to different steel pipes. When bending the same batch of steel pipes, the bending position of the steel pipe can be quickly determined, thereby improving the tooling efficiency.

[0019] 2. The bearing plate is set at the inner bottom end of the U-shaped frame, and the bending structure is set on the top of the bearing plate. When bending the steel pipe, there is no need to carry the steel pipe to a higher operating table, which reduces physical exertion. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0021] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present application;

[0022] Figure 2 This is a front view structural schematic diagram of an embodiment of the present application;

[0023] Figure 3 This is a schematic diagram of a side view of a limiting structure of an embodiment of the present application;

[0024] Figure 4 This is a schematic diagram of the overall structure of a limiting structure according to an embodiment of the present application.

[0025] In the figure: 1. U-shaped frame 1; 2. U-shaped frame 2; 3. bending structure; 301. motor 1; 302. T-shaped plate; 303. electric telescopic rod; 304. connecting rod; 305. bending column; 4. through hole; 5. bearing plate; 6. disc; 7. ring 1; 8. ring 2; 9. limiting structure; 901. fixing plate 1; 902. fixing plate 2; 903. motor 2; 904. threaded shaft; 905. L-shaped plate; 906. limiting plate; 907. indicator plate; 908. ruler. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of this application.

[0027] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0028] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0029] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0030] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0031] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0032] See also Figure 1-4 As shown, a vehicle seamless steel pipe bending tool comprises a U-shaped frame 1, a U-shaped frame 2 is fixed in the middle of the top of the U-shaped frame 1, and a bending structure 3 is arranged in the middle of the U-shaped frame 2. It is characterized in that the vehicle seamless steel pipe bending tool also includes:

[0033] The limiting structure 9 is arranged on the outer wall of one side of the U-shaped frame 1.

[0034] A circular through hole 4 is provided in the middle of the top of the U-shaped frame 1 , and a bearing plate 5 is fixed inside the U-shaped frame 1 at the bottom of the through hole 4 .

[0035] A disc 6 is fixed in the middle of the top of the supporting plate 5, a ring 1 7 is sleeved on the outside of the disc 6, a ring 2 8 is sleeved on the outside of the ring 1 7, the bottoms of the rings 1 7 and 8 are engaged with the supporting plate 5, and handles are fixed at both ends of the tops of the rings 1 7 and 8.

[0036] The bending structure 3 includes a motor 1 301 , a T-shaped plate 302 , an electric telescopic rod 303 , a connecting rod 304 and a bending column 305 . The motor 1 301 is fixed at the middle position of the top of the U-shaped frame 2 2 .

[0037] The output end of the motor 1 301 passes through the top of the U-shaped frame 2 2 and is fixed with a T-shaped plate 302 , the side wall of the T-shaped plate 302 is fixed with an electric telescopic rod 303 , and the other end of the electric telescopic rod 303 is fixed with a connecting rod 304 .

[0038] The bottom end of the connecting rod 304 passes through the through hole 4 and extends downward. A bending column 305 is fixed to the bottom end of the connecting rod 304 . The bottom of the bending column 305 is slidably connected to the top of the bearing plate 5 .

[0039] The limiting structure 9 includes a fixing plate 1 901, a fixing plate 2 902, a motor 2 903, a threaded shaft 904, an L-shaped plate 905 and a limiting plate 906. The fixing plate 1 901 and the fixing plate 2 902 are symmetrically fixed on the outer wall of one side of the U-shaped frame 1.

[0040] A second motor 903 is fixed in the middle of the side wall of the first fixing plate 901 away from the second fixing plate 902 , and a threaded shaft 904 is fixed to the output end of the second motor 903 through the first fixing plate 901 , and the other end of the threaded shaft 904 is rotatably connected to the second fixing plate 902 .

[0041] An L-shaped plate 905 is threadedly connected to the threaded shaft 904 , one end of the L-shaped plate 905 extends toward the second fixing plate 902 , and a limiting plate 906 is fixed to the end of the L-shaped plate 905 close to the side wall of the U-shaped frame 1 .

[0042] An indicator plate 907 is fixed to the top of one end of the fixing plate 2 902 away from the U-shaped frame 1 , and the bottom of the indicator plate 907 is slidably connected to the top of the L-shaped plate 905 , and a scale 908 is provided on the top of the L-shaped plate 905 .

[0043] When the present application is in use, the electrical components appearing in the application are all externally connected to the power supply and the control device. First, the bending column 305 is located at the top of the bearing plate 5 near one end of the limiting structure 9, and the distance between the bending position of the steel pipe and the end of the steel pipe is determined according to the length of the steel pipe. Then, the motor 2 903 in the limiting structure 9 drives the threaded shaft 904 to rotate, so that the L-shaped plate 905 moves along the threaded shaft 904, and the limiting plate 906 at the end of the L-shaped plate 905 moves. According to the scale position indicated by the indicator plate 907 at the top of the fixed plate 2 902, the moving length of the limiting plate 906 is observed to determine the position of the limiting plate 906, and then circular rings of different diameters are selected according to the curvature of the bending of the steel pipe, and the corresponding circular rings are installed on the outside of the disc 6, and the steel pipe is placed between the circular ring and the bending column 305. The bearing plate 5 is set on the U-shaped frame 1 At the inner bottom end, the bending structure 3 is arranged on the top of the bearing plate 5. When bending the steel pipe, there is no need to carry the steel pipe to a higher operating table, which reduces physical exertion. One side of the steel pipe is abutted against the corresponding circular ring, and then the end of the steel pipe is abutted against the limit plate 906. Then, the bending column 305 is driven to move by the electric telescopic rod 303, so that the bending column 305 is abutted against the other side of the steel pipe. Then, the connecting rod 304 and the bending column 305 are driven to rotate by the motor 1 301, so as to bend the steel pipe. After bending, the bending column 305 is moved out by the electric telescopic rod 303, the bent steel pipe is taken out, and then the next steel pipe is bent according to the above steps. When bending the same batch of steel pipes, one end of the steel pipe is abutted against the limit plate 906. The bending position of the steel pipe can be quickly determined, which improves work efficiency. The bending position can also be determined according to different steel pipes.

[0044] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A seamless steel pipe bending tool for automobiles, comprising a U-shaped frame (1), a U-shaped frame (2) being fixed in the middle of the top of the U-shaped frame (1), a bending structure (3) being arranged in the middle of the U-shaped frame (2), characterized in that: The vehicle seamless steel pipe bending tool also includes: A limiting structure (9), wherein the limiting structure (9) is arranged on an outer wall of one side of the U-shaped frame (1).

2. The vehicle seamless steel pipe bending tool according to claim 1, characterized in that: A circular through hole (4) is provided in the middle of the top of the U-shaped frame (1), and a bearing plate (5) is fixed inside the U-shaped frame (1) at the bottom of the through hole (4).

3. The vehicle seamless steel pipe bending tool according to claim 2, characterized in that: A disc (6) is fixed in the middle of the top of the carrying plate (5), a first ring (7) is sleeved on the outside of the disc (6), a second ring (8) is sleeved on the outside of the first ring (7), the bottoms of the first ring (7) and the second ring (8) are mutually engaged with the carrying plate (5), and handles are fixed at both ends of the tops of the first ring (7) and the second ring (8).

4. The vehicle seamless steel pipe bending tool according to claim 1, characterized in that: The bending structure (3) comprises a motor (301), a T-shaped plate (302), an electric telescopic rod (303), a connecting rod (304) and a bending column (305), and the motor (301) is fixed at the middle position of the top of the U-shaped frame (2).

5. The vehicle seamless steel pipe bending tool according to claim 4, characterized in that: The output end of the motor 1 (301) passes through the top of the U-shaped frame 2 (2) and is fixed with a T-shaped plate (302), the side wall of the T-shaped plate (302) is fixed with an electric telescopic rod (303), and the other end of the electric telescopic rod (303) is fixed with a connecting rod (304).

6. The vehicle seamless steel pipe bending tool according to claim 5, characterized in that: The bottom end of the connecting rod (304) passes through the through hole (4) and extends downward, and a bending column (305) is fixed to the bottom end of the connecting rod (304), and the bottom of the bending column (305) is slidably connected to the top of the bearing plate (5).

7. The vehicle seamless steel pipe bending tool according to claim 1, characterized in that: The limiting structure (9) comprises a fixing plate 1 (901), a fixing plate 2 (902), a motor 2 (903), a threaded shaft (904), an L-shaped plate (905) and a limiting plate (906); the fixing plate 1 (901) and the fixing plate 2 (902) are symmetrically fixed on the outer wall of one side of the U-shaped frame 1 (1).

8. The vehicle seamless steel pipe bending tool according to claim 7, characterized in that: A second motor (903) is fixed in the middle of the side wall of the first fixing plate (901) away from the second fixing plate (902), and a threaded shaft (904) is fixed on the output end of the second motor (903) through the first fixing plate (901), and the other end of the threaded shaft (904) is rotatably connected to the second fixing plate (902).

9. The vehicle seamless steel pipe bending tool according to claim 8, characterized in that: An L-shaped plate (905) is threadedly connected to the threaded shaft (904), one end of the L-shaped plate (905) extends toward one side of the second fixing plate (902), and a limiting plate (906) is fixed at the end of the L-shaped plate (905) close to the side wall of the first U-shaped frame (1).

10. The vehicle seamless steel pipe bending tool according to claim 8, characterized in that: An indicator plate (907) is fixed to the top of one end of the second fixing plate (902) away from the first U-shaped frame (1), and the bottom of the indicator plate (907) is slidably connected to the top of the L-shaped plate (905), and a scale (908) is arranged on the top of the L-shaped plate (905).