Pipe bending equipment for conduit forming

The pipe bending equipment, composed of modules and rollers, solves the problems of bulky equipment and difficult operation, realizes efficient forming of small-diameter conduits, ensures the pipe diameter is round and the angle is controlled, and improves production efficiency and pass rate.

CN120984733APending Publication Date: 2025-11-21JIANGXI HONGDU AVIATION IND GRP
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Patent Information

Application Number
CN202511022259.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-24
Publication Date
2025-11-21

AI Technical Summary

Technical Problem

Existing pipe bending equipment is bulky and difficult to operate. Small-diameter pipes are prone to breakage during the bending process, the pipe cross-section is not a complete circle, and the bending angle is difficult to control.

Method used

The pipe bending equipment consists of modules, U-shaped blocks, U-shaped connecting rods, and rollers. The modules are equipped with annular grooves that match the diameter of the guide pipe. The rollers are rotatable. The guide pipe is pressed together by the cooperation of the U-shaped blocks and rollers to achieve bending at a specific angle. The modules are also equipped with process reference holes and relief grooves to facilitate operation.

Benefits of technology

It enables lightweight and flexible conduit forming, ensuring that the pipe diameter is a complete circle after bending, improving the forming qualification rate, saving time, reducing manufacturing costs, and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The pipe bending equipment comprises a module, a U-shaped block, a U-shaped piece connecting rod and a rolling wheel, the top of the module is a working face, the appearance of the working face is matched with the forming angle of the guide pipe, an annular groove I is formed in the working face, the size of the annular groove I is matched with the diameter size of the guide pipe, and an opening of the U-shaped piece connecting rod faces downwards; the lower end of the U-shaped block is rotationally connected with the lower end of the module, the upper end of the U-shaped block is provided with a rolling wheel, the rolling wheel can rotate freely, the rolling wheel is provided with an annular groove II, and the size of the annular groove II is matched with the size of the pipe diameter of the guide pipe; the annular groove II and the annular groove I are used for pressing and forming the guide pipe at the same time; the method has the advantages that the method is easy to operate by workers, the design and manufacturing cost is reduced, and the product production efficiency and the product percent of pass are effectively improved.
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Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of pipe forming cold process processing equipment, and particularly relates to a pipe bending device for pipe forming, which has obvious advantages in the pipe forming cold process. BACKGROUND

[0002] In engineering implementation, the conventional pipe bending device is heavy and not easy to operate. Small-diameter pipes are prone to breakage during bending forming, the pipe diameter section is not a perfect circle, and the bending angle is not easy to control.

[0003] Therefore, the present application is provided, i.e. a pipe bending device for forming small-diameter pipes of an aircraft fuel tank. The device can control the pipes to bend at a specific angle, ensure that the pipe diameter section is a perfect circle after bending, save pipe forming time, improve pipe forming qualification rate, and is light and easy to operate. SUMMARY

[0004] The present application aims to solve the problems of heavy equipment, not easy to operate, small-diameter pipes prone to breakage during bending forming, the pipe diameter section not a perfect circle, and the bending angle not easy to control. A pipe bending device for forming small-diameter pipes of an aircraft fuel tank is provided, which can meet multiple special functions and requirements, including keeping the pipes to bend at a specific angle, ensuring that the pipe diameter section is a perfect circle after bending, saving pipe forming time, improving pipe forming qualification rate, and being light and easy to operate.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows: a pipe bending device for pipe forming, comprising a module, a U-shaped block, a U-shaped piece connecting rod and a roller, the top of the module is a working surface, the shape of the working surface matches the pipe forming angle, the working surface of the module is provided with an annular groove I, the size of the annular groove I matches the pipe diameter size, the U-shaped piece connecting rod is open downward, and the lower end is rotatably connected with the lower end of the module, and the upper end is provided with a roller, the roller can rotate freely, the roller is provided with an annular groove II, the size of the annular groove II matches the pipe diameter size, the U-shaped block is fixedly connected with one side of the working surface of the module, the pipe is placed between the roller and the working surface of the module, and the annular groove II and the annular groove I simultaneously press and form the pipe.

[0006] Further, process reference holes are formed in the module for facilitating worker construction and manufacturing.

[0007] Further, a lightening groove is formed in the module for reducing the self-weight of the device.

[0008] Further, the working surface of the module is semicircular.

[0009] Further, the working surface of the module is semicircular. Further, the working surface of the module is semicircular.

[0010] Further, the lower end of the module is provided with a fixed block.

[0011] Further, the module is welded with the fixed block.

[0012] Further, the lower end of the U-shaped connecting rod is connected with the lower end of the module through a hinge shaft and can rotate relative to the module, and the upper end is provided with a roller through a hinge shaft.

[0013] Further, the U-shaped block is connected with one side of the working surface of the module through a fixed wedge.

[0014] Further, the U-shaped connecting rod is further provided with a handle for facilitating the operation of workers.

[0015] In the present application, the rebound amount of the trial mold is corrected to the qualified product after the pipe bending equipment is prepared.

[0016] The present application has the advantages that after the improvement, the pipe bending time is saved, the construction period is shortened, the pipe forming qualified rate is improved, the workers are easy to operate, the design and manufacturing costs are reduced, the product production efficiency and the product qualified rate are further improved, and the product is more economic and efficient. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is an isometric view of the present application; Figure 2 is a front view of the present application; Figure 3 is a top view of the present application; Figure 4 is a use state view of the present application.

[0018] Wherein: 1-module, 2-U-shaped block, 3-U-shaped connecting rod, 4-roller, 5-fixed wedge, 6-fixed block, 7-hinge shaft, 8-working surface, 9-annular groove I, 10-annular groove II, 11-handle, 12-process reference hole, 13-lightening groove. DETAILED DESCRIPTION

[0019] In order to further embody the technical means, creative features and implementation functions realized by the present application, the present application will be described in detail below in combination with specific drawings and embodiments. EMBODIMENT

[0020] As Figures 1 to 4As shown, the present application provides a pipe bending device for pipe forming, which comprises a module 1, a U-shaped block 2, a U-shaped connecting rod 3, a roller 4, a fixing wedge 5, a fixing block 6 and a hinge shaft 7, one side of the lower end of the module 1 is provided with the fixing block 6, so that the device can stand on the ground or a working platform, facilitating the operation of workers, the module 1 is welded with the fixing block 6, the module 1 is provided with a process reference hole 12, the process reference hole 12 provides an accurate positioning reference for parts in the manufacturing and assembling process, the module 1 is also provided with a lightening groove 13, which plays a role in reducing the self-weight of the device, the top of the module 1 is a working surface 8, the working surface 8 is opened according to the pipe forming angle, if a 180-degree pipe is formed, the working surface 8 of the module 1 can be made into a semicircle, if a 45-degree pipe is formed, the working surface 8 of the module 1 can be made into a semicircle, and the like, the working surface 8 of the module 1 is provided with an annular groove I 9, the size of the annular groove I 9 is consistent with the size of the pipe diameter, which plays a role in pressing the pipe and controlling the bending angle of the pipe, the opening of the U-shaped connecting rod 3 faces downward, the lower end of the U-shaped connecting rod 3 is connected with the lower end of the module 1 through the hinge shaft 7 and can rotate relative to the module 1, the upper end is provided with the roller 4 through the hinge shaft 7, the roller 4 can rotate freely, the roller 4 is provided with an annular groove II 10, the size of the annular groove II 10 is consistent with the size of the pipe diameter, the U-shaped connecting rod 3 is also provided with a handle 11, which facilitates the operation of workers, the U-shaped block 2 is connected with one side of the working surface 8 of the module 1 through the fixing wedge 5, which prevents the bending angle from being too large, the roller 4 from falling off and hurting the workers, and facilitates the disassembly of workers, the pipe is arranged between the roller 4 and the working surface 8 of the module 1, the annular groove II 10 on the roller 4 and the annular groove I 9 on the module 1 work together to play a pipe forming function.

[0021] In the present application, the pipe bending device for pipe forming is corrected to the product qualified after trial, and the present application is suitable for the pipe bending device for forming small pipe diameter pipes of an aircraft fuel tank.

[0022] The working principle of the present application is as follows: Figure 4 The present application is composed of the module 1, the U-shaped block 2, the U-shaped connecting rod 3, the roller 4, the fixing wedge 5 and the fixing block 6, when the device works, the pipe passes through the annular groove I 9 of the module 1 and the annular groove II 10 of the roller 4, is pressed by the U-shaped block 2, and is fixed by the lower end of the U-shaped connecting rod 3 through the hinge shaft 7 and the upper end of the roller 4 through the hinge shaft 7, because the fixing wedge 5 is connected with one side of the working surface 8 of the module 1, the roller 4 can rotate freely within a safe range, and finally the pipe is bent and formed through the joint action of the handle 11.

[0023] The specific embodiments described herein are merely illustrative of the present application, and those skilled in the art can make various modifications or supplements to the described specific embodiments or replace them with similar ways without departing from the spirit of the present application or exceeding the scope defined by the appended claims.

Claims

1. A pipe bending device for conduit forming, characterized in that: The device includes a module, a U-shaped block, a U-shaped connecting rod, and rollers. The top of the module is the working surface, and the shape of the working surface matches the forming angle of the conduit. The working surface of the module has an annular groove I, the size of which matches the diameter of the conduit. The opening of the U-shaped connecting rod faces downward, and its lower end is rotatably connected to the lower end of the module. A roller is installed at the upper end, and the roller can rotate freely. The roller has an annular groove II, the size of which matches the diameter of the conduit. The U-shaped block is fixedly connected to one side of the working surface of the module. The conduit is placed between the roller and the working surface of the module. The annular groove II and the annular groove I simultaneously press and form the conduit.

2. The pipe bending device for conduit forming according to claim 1, characterized in that: The module has process reference holes to facilitate construction and manufacturing by workers.

3. The pipe bending device for conduit forming according to claim 1, characterized in that: The module also has a weight-reducing groove to reduce the weight of the equipment.

4. The pipe bending device for conduit forming according to claim 1, characterized in that: The module's working surface is semi-circular.

5. The pipe bending device for conduit forming according to claim 1, characterized in that: The module's working surface is semi-circular.

6. The pipe bending device for conduit forming according to claim 1, characterized in that: A fixing block is installed on one side of the lower end of the module.

7. The pipe bending device for conduit forming according to claim 6, characterized in that: The module is welded to the fixing block.

8. The pipe bending device for conduit forming according to claim 1, characterized in that: The lower end of the U-shaped connecting rod is connected to the lower end of the module via a hinge shaft and can rotate relative to the module. The upper end is equipped with a roller via a hinge shaft.

9. The pipe bending device for conduit forming according to claim 1, characterized in that: The U-shaped block is connected to one side of the working surface of the module by a fixing wedge.

10. The pipe bending device for conduit forming according to claim 1, characterized in that: The U-shaped connecting rod is also equipped with a handle for easy operation by workers.

Citation Information

Patent Citations

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    CN102756024A

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    CN105290174A

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