Bent pipe punching device

Through the design of the bending tube punching device, the precise integration of punching in the bending tube production process is achieved, which solves the problems of low precision and dimensional deviation caused by the lack of punching structure in existing tube bending machines and improves production efficiency.

CN223476090UActive Publication Date: 2025-10-28WUXI SHUNHUAN TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422853557.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-10-28
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

Existing pipe bending machines lack a punching structure, which requires additional punching equipment after the pipe is produced, resulting in low precision and prone to dimensional deviation.

Method used

A bending pipe punching device was designed, which combined the bending components and the punching components to realize the integrated operation of bending and punching of steel pipes through the driving motor, telescopic cylinder and hydraulic telescopic rod.

Benefits of technology

The punching accuracy of steel pipes is improved, dimensional errors are reduced, and production efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of steel pipe machining, in particular to a bent pipe punching device which comprises a power box, a fixing seat is arranged on one side of the outer wall of the power box, a rotating seat is rotatably connected to the front end of the outer wall of the fixing seat, and a bending component for bending a steel pipe is arranged on one side of the front end of the outer wall of the rotating seat. According to the steel pipe bending device, bending operation can be conducted on a steel pipe through the matching effect of the bending supporting block and the bending head, and when needed, the device can move the punching supporting base upwards through the telescopic air cylinder to abut against the steel pipe tightly, so that the steel pipe can be conveniently punched, and the punching efficiency is improved. And then the hydraulic telescopic rod arranged in the punching support conveys the punching head upwards to enable the punching head to complete punching machining on the steel pipe, in this way, the device can punch the steel pipe when bending is needed, the size error generated when the steel pipe is punched is reduced, and the machining precision and production efficiency of the steel pipe are improved.
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Description

Technical Field

[0001] This utility model relates to the field of steel pipe processing technology, specifically to a device for punching holes in bent pipes. Background Art

[0002] A pipe bending machine is a mechanical device specifically designed for bending tubular parts made of metal or other materials. It is widely used in industries such as construction, automotive, aerospace, shipbuilding, and machinery manufacturing to produce various stamped parts and frame structures.

[0003] After bending existing steel pipes, it is often necessary to drill through holes in their outer walls to facilitate subsequent installation and fixation by bolts or other structural components. However, most existing pipe bending machines do not have a punching mechanism, which means that punching equipment is needed to punch the pipes after bending. Compared with punching during bending, this punching method has lower precision and is prone to dimensional deviations, thus having certain shortcomings.

[0004] In conclusion, it is very necessary to invent a device for punching holes in bent tubes. Utility Model Content

[0005] Therefore, this utility model provides a bending pipe punching device to solve the problem that most existing pipe bending machines do not have a punching structure in their bending mechanism, which means that after the pipe bending production is completed, personnel still need to use punching equipment to punch the pipe. However, this punching method is less accurate than punching during the bending process and is prone to dimensional deviations.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a bending pipe punching device, including a power box, a fixed seat is provided on one side of the outer wall of the power box, a rotating seat is rotatably connected to the front end of the outer wall of the fixed seat, a bending component for bending the steel pipe is provided on one side of the front end of the outer wall of the rotating seat, and a punching component is provided on the front end of the outer wall of the fixed seat and on one side of the bending component.

[0007] Preferably, the outer wall side of the fixed seat is slidably connected to the rear outer wall of the power box via a first lifting guide rail, and a drive motor is fixed to the rear end of the outer wall of the fixed seat. The output shaft of the drive motor passes through the front end of the outer wall of the fixed seat and is fixedly connected to the rear end of the outer wall of the rotating seat.

[0008] Preferably, the bending component includes a bending head, which is rotatably mounted above the front end of the outer wall of the rotating seat. The inner wall of the bending head is rotatably connected to the front end of the output shaft of the drive motor. A bending support block is provided at the front end of the outer wall of the rotating seat and on one side of the bottom end of the bending head. A transverse moving guide rail for driving the bending support block to move left and right is provided at the bottom end of the outer wall of the bending support block.

[0009] Preferably, a second lifting guide rail for driving the bending support block to move up and down is installed on the front end of the outer wall of the rotating seat. A bearing seat is fixed on the front end of the outer wall of the second lifting guide rail and below the transverse moving guide rail. The bottom end of the outer wall of the transverse moving guide rail is fixed to the top end of the outer wall of the bearing seat.

[0010] Preferably, a telescopic electric cylinder is installed on the bottom rear side of the inner wall of the fixed seat, and a triangular block is rotatably connected to the inner wall of the rotating seat above the telescopic electric cylinder. The top output end of the telescopic electric cylinder is rotatably connected to the rear end of the triangular block.

[0011] Preferably, the top of the inner wall of the triangular block is hinged to a connecting seat, the front end of the outer wall of the connecting seat passes through the rotating seat and is fixedly connected to the upper side of the rear end of the outer wall of the second lifting guide rail, and the outer wall of the rotating seat is provided with clearance grooves at positions corresponding to the connecting seat.

[0012] Preferably, the punching component includes a telescopic cylinder, and a mounting base is fixed at the front end of the outer wall of the fixed base and at a position corresponding to the telescopic cylinder. The telescopic cylinder is fixedly connected to the bottom of the front end of the outer wall of the mounting base, and a punching support is connected to the top output end of the telescopic cylinder. The punching support is slidably connected to the front end of the outer wall of the mounting base, and the punching support is located below the bottom end of the outer wall of the bending head.

[0013] Preferably, the punching support has a storage tank inside, a hydraulic telescopic rod is fixed to the bottom of the inner wall of the storage tank, a punching head is fixed to the top output shaft of the hydraulic telescopic rod, and a through groove is opened at the top of the outer wall of the punching support and at the position corresponding to the hydraulic telescopic rod, and the bottom of the through groove is connected to the storage tank.

[0014] The beneficial effects of this utility model are:

[0015] In this invention, the bending support block and the bending head work together to bend the steel pipe. When needed, the device can move the punching support upward with a telescopic cylinder to press against the steel pipe, and then the hydraulic telescopic rod inside the punching support will transport the punching head upward so that the punching head can complete the punching process on the steel pipe. In this way, the device can punch the steel pipe when bending is required, reduce the dimensional error when punching the steel pipe, and improve the processing accuracy and production efficiency of the steel pipe. Attached Figure Description

[0016] Figure 1 This is a top view of the overall structure of this utility model;

[0017] Figure 2 This is a partial structural schematic diagram of the rotating seat in this utility model from a side view.

[0018] Figure 3This utility model Figure 2 A schematic diagram of the exploded structure;

[0019] Figure 4 This is a cross-sectional view of the punching component in this utility model from the side.

[0020] In the diagram: 100, power box; 110, first lifting guide rail; 200, fixed seat; 210, drive motor; 220, rotating seat; 230, bending head; 240, bending support block; 241, transverse moving guide rail; 300, telescopic cylinder; 310, punching support; 311, hydraulic telescopic rod; 312, punching head; 400, telescopic electric cylinder; 410, triangular block; 420, second lifting guide rail; 421, bearing seat. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0022] See attached document Figures 1-4 The bending and punching device provided by this utility model includes a power box 100. A fixing seat 200 is provided on one side of the outer wall of the power box 100. The outer wall side of the fixing seat 200 is slidably connected to the rear side of the outer wall of the power box 100 through a first lifting guide rail 110. A set of motors is fixed inside the power box 100. The output shaft of the motor passes through the outer wall side of the power box 100 and is fixed with a gear. A rack is fixed on one side of the gear on the outer wall of the fixing seat 200. The gear and the rack mesh with each other. The motor can drive the gear to rotate in both directions through the output shaft. The rotating seat 220 can move up and down on the outer wall of the power box 100 via the first lifting guide rail 110. The rear end of the outer wall of the fixed seat 200 is fixed with a drive motor 210. The output shaft of the drive motor 210 passes through the front end of the outer wall of the fixed seat 200 and is fixedly connected to the rear end of the outer wall of the rotating seat 220. The front end of the outer wall of the fixed seat 200 is rotatably connected to the rotating seat 220. The drive motor 210 is provided to drive the rotating seat 220 to rotate in both directions, so that the bending component fixed at the front end of the rotating seat 220 can be used to bend the steel pipe.

[0023] A bending component for bending steel pipes is provided on one side of the front end of the outer wall of the rotating base 220. The bending component includes a bending head 230, which is rotatably mounted above the front end of the outer wall of the rotating base 220. The rotation of the rotating base 220 will not cause the bending head 230 to rotate together. The inner wall of the bending head 230 is rotatably connected to the front end of the output shaft of the drive motor 210, while the outer wall of the bending head 230 is fixed to the top of the outer wall of the mounting base by a support frame. A bending support block 240 is provided on the front end of the outer wall of the rotating base 220 and on one side of the bottom end of the bending head 230. A transverse moving guide rail 241 for driving its left and right movement is provided at the bottom end of the outer wall of the bending support block 240. The support block 240 can support the steel pipe from the bottom, and its vertical movement can cooperate with the bending head 230 to bend the steel pipe. The transverse moving guide rail 241 is provided to drive the bending support block 240 to move left and right, so as to avoid the bent steel pipe affecting the bending support block 240. The outer front end of the rotating seat 220 is equipped with a second lifting guide rail 420 for driving the bending support block 240 to move up and down. The outer front end of the second lifting guide rail 420 and below the transverse moving guide rail 241 is fixed with a bearing seat 421. The bottom end of the outer wall of the transverse moving guide rail 241 is fixed to the top end of the outer wall of the bearing seat 421. The bearing seat 421 is provided to support the bending support block 240. The 0 is supported and fixed to the transverse moving guide rail 241, while the second lifting guide rail 420 is provided to drive the bending support block 240 and the transverse moving guide rail 241 to move up and down, so that it can bend the steel pipe better. The bottom of the rear side of the inner wall of the fixed base 200 is equipped with a telescopic electric cylinder 400. The inner wall of the rotating base 220 and above the telescopic electric cylinder 400 is rotatably connected to a triangular block 410. The top output end of the telescopic electric cylinder 400 is rotatably connected to the rear end of the triangular block 410. The top of the inner wall of the triangular block 410 is hinged to a connecting seat. The front end of the outer wall of the connecting seat passes through the rotating base 220 and is fixedly connected to the upper rear end of the outer wall of the second lifting guide rail 420. The rotating base 220 The outer wall of the 0 is provided with clearance grooves at the corresponding positions of the connecting seat. Specifically, the output shaft of the telescopic electric cylinder 400 can push the triangular block 410 to rotate around the bottom end when it is telescopic. When it rotates, it can drive the connecting seat to move up and down. The connecting seat is connected to the guide slide plate on the second lifting guide rail 420 that drives the bearing seat 421 to move up and down. This can drive the bending support block 240 and the transverse moving guide rail 241 to move up and down. The second lifting guide rail 420 includes a guide slide plate and guide rails located on both sides of the guide slide plate. The guide rails on both sides can be fixed to the front end of the outer wall of the rotating seat 220, and the guide slide plate can move back and forth on the guide rail.

[0024] A punching component is provided on the front end of the outer wall of the fixed base 200, located on one side of the bending component. The punching component includes a telescopic cylinder 300. A mounting seat is fixed on the front end of the outer wall of the fixed base 200 at a position corresponding to the telescopic cylinder 300. The telescopic cylinder 300 is fixedly connected to the bottom of the front end of the outer wall of the mounting seat. The mounting seat is provided for installing and fixing the telescopic cylinder 300. A punching support 310 is connected to the top output end of the telescopic cylinder 300. The punching support 310 is slidably connected to the front end of the outer wall of the mounting seat. The telescopic cylinder 300 can drive the punching support 310 to move up and down. The punching support 310 can be used to punch the outer wall of the steel pipe during bending. The bottom side is supported, and it can also be used with the bending head 230 to clamp the steel pipe during subsequent punching. The punching support 310 is set below the bottom of the outer wall of the bending head 230. The punching support 310 has a storage tank inside. The bottom of the inner wall of the storage tank is fixed with a hydraulic telescopic rod 311. The top output shaft of the hydraulic telescopic rod 311 is fixed with a punching head 312. The top of the outer wall of the punching support 310 and the position corresponding to the hydraulic telescopic rod 311 are provided with a through groove. The bottom of the through groove is connected to the storage tank. After the hydraulic telescopic rod 311 is started, it can drive the punching head 312 to move upward, so that the punching head 312 can pass through the through groove and perform punching operation on the outer wall of the clamped steel pipe.

[0025] The usage process of this utility model is as follows: Those skilled in the art can first assemble and use the device. The steel pipe can be clamped by a separate clamping machine. The bent end of the steel pipe can be set between the bending head 230 and the bending support block 240. After completion, the telescopic cylinder 400 is extended by controlling the connecting seat to drive the second lifting guide rail 420 and the bearing seat 421 to move upward, so that the bending support block 240 can move upward to cooperate with the bending head 230 to bend the steel pipe. When punching is required, the telescopic cylinder 300 can control the punching support 310 to move upward through the output end. When the punching support 310 moves upward, it can press against the bottom end of the steel pipe. Then, the hydraulic telescopic rod 311 can drive the punching head 312 to move upward after starting, so that the punching head 312 can punch the outer wall of the clamped steel pipe after passing through the slot.

[0026] The above description is merely a preferred embodiment of this utility model. Any person skilled in the art may modify this utility model or modify it into an equivalent technical solution using the technical solutions described above. Therefore, any simple modifications or equivalent substitutions made based on the technical solutions of this utility model are within the scope of protection claimed by this utility model.

Claims

1. A bending and punching device for steel pipes, comprising a power box (100), wherein a fixed seat (200) is provided on one side of the outer wall of the power box (100), a rotating seat (220) is rotatably connected to the front end of the outer wall of the fixed seat (200), and a bending component for bending steel pipes is provided on one side of the front end of the outer wall of the rotating seat (220), characterized in that: A punching component is provided on the front end of the outer wall of the fixing base (200) and on one side of the bending component.

2. The bending tube punching device according to claim 1, characterized in that: The outer wall side of the fixed seat (200) is slidably connected to the rear outer wall of the power box (100) via the first lifting guide rail (110). A drive motor (210) is fixed to the rear end of the outer wall of the fixed seat (200). The output shaft of the drive motor (210) passes through the front end of the outer wall of the fixed seat (200) and is fixedly connected to the rear end of the outer wall of the rotating seat (220).

3. The bending tube punching device according to claim 1, characterized in that: The bending component includes a bending head (230), which is rotatably mounted above the front end of the outer wall of the rotating seat (220). The inner wall of the bending head (230) is rotatably connected to the front end of the output shaft of the drive motor (210). A bending support block (240) is provided at the front end of the outer wall of the rotating seat (220) and on one side of the bottom end of the bending head (230). A transverse moving guide rail (241) for driving the bending support block (240) to move left and right is provided at the bottom end of the outer wall of the bending support block (240).

4. The bending tube punching device according to claim 3, characterized in that: The outer front end of the rotating seat (220) is equipped with a second lifting guide rail (420) for driving the bending support block (240) to move up and down. The outer front end of the second lifting guide rail (420) and below the transverse moving guide rail (241) is fixed with a bearing seat (421). The bottom end of the outer wall of the transverse moving guide rail (241) is fixed to the top end of the outer wall of the bearing seat (421).

5. The bending tube punching device according to claim 4, characterized in that: A telescopic electric cylinder (400) is installed on the bottom of the rear side of the inner wall of the fixed seat (200). A triangular block (410) is rotatably connected to the inner wall of the rotating seat (220) and above the telescopic electric cylinder (400). The top output end of the telescopic electric cylinder (400) is rotatably connected to the rear end of the triangular block (410).

6. The bending tube punching device according to claim 5, characterized in that: The top of the inner wall of the triangular block (410) is hinged to a connecting seat. The front end of the outer wall of the connecting seat passes through the rotating seat (220) and is fixedly connected to the upper side of the rear end of the outer wall of the second lifting guide rail (420). The outer wall of the rotating seat (220) is provided with clearance grooves at positions corresponding to the connecting seat.

7. The bending tube punching device according to claim 1, characterized in that: The punching component includes a telescopic cylinder (300). A mounting seat is fixed at the front end of the outer wall of the fixed seat (200) and at a position corresponding to the telescopic cylinder (300). The telescopic cylinder (300) is fixedly connected to the bottom of the front end of the outer wall of the mounting seat. A punching support (310) is connected to the top output end of the telescopic cylinder (300). The punching support (310) is slidably connected to the front end of the outer wall of the mounting seat. The punching support (310) is located below the bottom end of the outer wall of the bending head (230).

8. The bending tube punching device according to claim 7, characterized in that: The punching support (310) has a storage tank inside. A hydraulic telescopic rod (311) is fixed to the bottom of the inner wall of the storage tank. A punching head (312) is fixed to the top output shaft of the hydraulic telescopic rod (311). A through groove is opened at the top of the outer wall of the punching support (310) and at the position corresponding to the hydraulic telescopic rod (311). The bottom of the through groove is connected to the storage tank.