Bending device for steel pipe forming

By introducing a combination of bending guide wheels, rotating shafts, reducers, servo motors and pressure wheels into the steel pipe bending device, combined with feed drive and cutting mechanisms, automated bending and cutting of steel pipes are achieved, solving the problems of low efficiency and poor safety of existing devices and realizing an efficient and stable continuous bending process.

CN223418885UActive Publication Date: 2025-10-10TIANJIN RONGSHENGDA NEW ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422833610.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-10-10
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

Existing steel pipe bending devices require manual feeding and holding of steel pipes, resulting in low work efficiency and safety risks, making it difficult to achieve continuous bending.

Method used

The bending device includes a bending guide wheel, a rotating shaft, a reducer, a servo motor, a swing arm and a bending mechanism of a pressure wheel, combined with a feeding drive mechanism and a cutting mechanism to achieve automatic feeding, fixed-length cutting and bending of different curvatures.

Benefits of technology

It realizes the automatic bending and cutting of steel pipes, improves work efficiency, ensures the stability and safety of the steel pipe bending process, and supports continuous bending operations.

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Abstract

The utility model relates to the technical field of steel pipe processing devices, and discloses a bending device for forming a steel pipe, which solves the problem of poor use effect of the existing bending device, and comprises a working table, a plurality of supporting seats are arranged at the bottom end of the working table, and a feeding driving mechanism, a cutting mechanism and a bending guide wheel are arranged at the top end of the working table. A bending mechanism is arranged on the workbench in a penetrating mode and composed of a rotating shaft, a speed reducer, a first servo motor, a swing arm and a pressing wheel, the rotating shaft penetrates through the workbench and the bending guide wheel in a penetrating mode and is rotationally connected with the workbench and the bending guide wheel through a bearing, the speed reducer is connected to the bottom end of the workbench, and the first servo motor is connected to the bottom end of the speed reducer. An output shaft of the first servo motor is connected with an input shaft of the speed reducer, an output shaft of the speed reducer is connected with the rotating shaft, the swing arm is fixedly connected to the top end of the rotating shaft, and the pressing wheel is rotationally connected to the bottom end of the swing arm. By means of the bending device, fixed-length feeding and cutting-off can be conducted on the steel pipe, continuous bending work can be achieved, and the working efficiency is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of steel pipe processing devices, in particular to a bending device for steel pipe forming. Background Art

[0002] When steel pipes are processed into equipment parts, they usually need to be bent. Commonly used steel pipe bending parts include arc structures, L-shaped structures and semi-circular structures. When using existing steel pipe bending devices, it is usually necessary to cut the steel pipe into a fixed length first, and then bend the cut steel pipe. During the bending process, the steel pipe needs to be fed manually and manually held during bending to improve stability. This method has low working efficiency and is not convenient for continuous bending work. In addition, there is a certain risk in manually holding the steel pipe. Therefore, the present application proposes a bending device for steel pipe forming. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a bending device for steel pipe forming, which effectively solves the problem that the existing bending device has poor performance.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bending device for steel pipe forming, comprising a workbench, wherein a plurality of support seats are fixedly provided at the bottom end of the workbench, a feed drive mechanism, a cutting mechanism and a bending guide wheel are fixedly provided at the top end of the workbench, a bending mechanism matching the bending guide wheel is interspersed on the workbench, the bending mechanism is composed of a rotating shaft, a reducer, a servo motor 1, a swing arm and a pressure wheel, the rotating shaft is interspersed through the workbench and the bending guide wheel and is rotatably connected to the same through a bearing, the reducer is fixedly connected to the bottom end of the workbench, the servo motor 1 is fixedly connected to the bottom end of the reducer, the output shaft of the servo motor 1 is connected to the input shaft of the reducer, the output shaft of the reducer is fixedly connected to the rotating shaft, the swing arm is fixedly connected to the top end of the rotating shaft, and the pressure wheel is rotatably connected to the bottom end of the swing arm.

[0005] Preferably, a slide groove is provided on the swing arm, a screw rod is rotatably provided inside the slide groove, a servo motor 2 connected to the screw rod is fixedly provided at one end of the swing arm, a slider sleeved on the screw rod is slidably provided inside the slide groove, and the pressure wheel is rotatably connected to the bottom end of the slider.

[0006] Preferably, the feed drive mechanism consists of a support frame, a plurality of limiting rollers, a driver, a driving roller 1 and a driving roller 2. The support frame is fixedly connected to the top of the workbench, the limiting roller is rotatably connected to the inside of the support frame, the driver is fixedly connected to one end of the top of the support frame, and the driving roller 1 and the driving roller 2 are both rotatably connected to one end inside the support frame and connected to the driver.

[0007] Preferably, the driver consists of a shell, a servo motor three, a driving gear and a driven gear. The servo motor three is fixedly connected to one end of the top of the shell. The driving gear and the driven gear are both rotatably connected to the inside of the shell. The driving gear is fixedly connected to the output shaft of the servo motor three. The driving roller one and the driving roller two are fixedly connected to the driving gear and the driven gear respectively.

[0008] Preferably, the cutting mechanism consists of a support block, a hydraulic telescopic rod and a cutting machine body, the support block is fixedly connected to the top of the workbench, the hydraulic telescopic rod is inserted into the support block, and the cutting machine body is fixedly connected to one end of the hydraulic telescopic rod.

[0009] Compared with the prior art, the beneficial effects of the present invention are:

[0010] (1) During operation, the steel pipe can be quickly bent by providing a bending guide wheel and a bending mechanism consisting of a rotating shaft, a reducer, a servo motor 1, a swing arm and a pressure wheel. The steel pipe can be bent into different arcs by controlling the swing angle of the swing arm. The position of the pressure wheel can be adjusted by providing a slide groove, a screw rod, a servo motor 2 and a slider, so that the bent steel pipe can be easily unloaded after being bent.

[0011] (2) By setting up a feeding drive mechanism consisting of a support frame, a plurality of limiting rollers, a driver, a driving roller 1 and a driving roller 2, the steel pipe can be automatically fed and fixed-length feeding can be achieved. The steel pipe can also be limited when it is bent to prevent it from moving. By setting up a cutting mechanism consisting of a support block, a hydraulic telescopic rod and a cutting machine body, the bent steel pipe can be cut off, thereby facilitating the next bending work. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] 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 to the present invention.

[0013] In the attached figure:

[0014] Figure 1 This is a schematic structural diagram of a bending device for steel pipe forming according to the present invention;

[0015] Figure 2 This is a schematic diagram of the bending mechanism structure of the utility model;

[0016] Figure 3 For this utility model Figure 1 A partial enlarged view of

[0017] Figure 4 This is a schematic diagram of the driver structure of the utility model;

[0018] Figure 5 This is a schematic diagram of the cutting mechanism structure of the utility model;

[0019] In the figure: 1. Workbench; 2. Support seat; 3. Feed drive mechanism; 4. Cutting mechanism; 5. Bending guide wheel; 6. Bending mechanism; 7. Rotating shaft; 8. Reducer; 9. Servo motor 1; 10. Swing arm; 11. Pressure roller; 12. Bearing; 13. Slide; 14. Screw; 15. Servo motor 2; 16. Slider; 17. Support frame; 18. Limiting roller; 19. Driver; 20. Driving roller 1; 21. Driving roller 2; 22. Housing; 23. Servo motor 3; 24. Driving gear; 25. Driven gear; 26. Support block; 27. Hydraulic telescopic rod; 28. Cutting machine body. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] Depend on Figure 1 and Figure 2 The utility model provides a bending device for steel pipe forming, comprising a workbench 1, wherein a plurality of support seats 2 are fixedly provided at the bottom end of the workbench 1, a feed drive mechanism 3, a cutting mechanism 4 and a bending guide wheel 5 are fixedly provided at the top end of the workbench 1, a bending mechanism 6 matching the bending guide wheel 5 is interspersed on the workbench 1, and the bending mechanism 6 is composed of a rotating shaft 7, a reducer 8, a servo motor 9, a swing arm 10 and a pressure wheel 11. The rotating shaft 7 is interspersed with the workbench 1 and the bending guide wheel 5 and is rotatably connected thereto through a bearing 12, the reducer 8 is fixedly connected to the bottom end of the workbench 1, the servo motor 9 is fixedly connected to the bottom end of the reducer 8, the output shaft of the servo motor 9 is connected to the input shaft of the reducer 8, the output shaft of the reducer 8 is fixedly connected to the rotating shaft 7, the swing arm 10 is fixedly connected to the top end of the rotating shaft 7, and the pressure wheel 11 is rotatably connected to the bottom end of the swing arm 10;

[0022] When in use, the steel pipe is inserted into the interior of the feed drive mechanism 3, and the steel pipe is automatically fed through the feed drive mechanism 3. At this time, the swing arm 10 is biased to one side of the feed drive mechanism 3, and the position of the pressing wheel 11 is adjusted so that the pressing wheel 11 fits the steel pipe. Then, the servo motor 9 is started, and the rotating shaft 7 is driven to rotate by the servo motor 9 and the reducer 8. The rotating shaft 7 drives the swing arm 10 and the pressing wheel 11 to swing. The steel pipe is bent by the cooperation of the pressing wheel 11 and the bending guide wheel 5. The bending curvature of the steel pipe can be controlled by controlling the swing angle of the swing arm 10.

[0023] Depend on Figure 2 A chute 13 is provided on the swing arm 10, and a screw rod 14 is rotatably provided inside the chute 13. A servo motor 15 connected to the screw rod 14 is fixedly provided at one end of the swing arm 10. A slider 16 sleeved on the screw rod 14 is slidably provided inside the chute 13, and the pressure wheel 11 is rotatably connected to the bottom end of the slider 16.

[0024] When adjusting the position of the pressing wheel 11, the servo motor 15 drives the screw rod 14 to rotate, and the screw rod 14 drives the slider 16 to move. By adjusting the position of the pressing wheel 11, on the one hand, it is convenient for the steel pipe to enter between the pressing wheel 11 and the bending guide wheel 5, and on the other hand, it is convenient for the bent steel pipe to be unloaded.

[0025] Depend on Figure 1 、 Figure 3 and Figure 4 It is given that the feed drive mechanism 3 is composed of a support frame 17, a plurality of limiting rollers 18, a driver 19, a driving roller 1 20 and a driving roller 2 21. The support frame 17 is fixedly connected to the top of the workbench 1, the limiting roller 18 is rotatably connected to the inside of the support frame 17, the driver 19 is fixedly connected to one end of the top of the support frame 17, the driving roller 1 20 and the driving roller 2 21 are both rotatably connected to one end inside the support frame 17 and connected to the driver 19, the driver 19 is composed of a housing 22, a servo motor 3 23, a driving gear 24 and a driven gear 25. The servo motor 3 23 is fixedly connected to one end of the top of the housing 22, the driving gear 24 and the driven gear 25 are both rotatably connected to the inside of the housing 22, the driving gear 24 is fixedly connected to the output shaft of the servo motor 3 23, and the driving roller 1 20 and the driving roller 2 21 are fixedly connected to the driving gear 24 and the driven gear 25 respectively;

[0026] The steel pipe is limited by the limiting roller 18 to improve the stability of the steel pipe during bending and prevent the steel pipe from moving. The driver 19 composed of the housing 22, the servo motor 3 23, the driving gear 24 and the driven gear 25 can synchronously drive the driving roller 1 20 and the driving roller 2 21 to rotate, and the driving roller 1 20 and the driving roller 2 21 are used to feed the steel pipe to a fixed length;

[0027] Depend on Figure 1 and Figure 5 The cutting mechanism 4 is composed of a support block 26, a hydraulic telescopic rod 27 and a cutting machine body 28. The support block 26 is fixedly connected to the top of the workbench 1, the hydraulic telescopic rod 27 is inserted into the support block 26, and the cutting machine body 28 is fixedly connected to one end of the hydraulic telescopic rod 27.

[0028] After the steel pipe is bent, the hydraulic telescopic rod 27 drives the cutting machine body 28 to move, and the steel pipe is cut by the cutting machine body 28, thereby realizing continuous feeding and continuous bending.

[0029] During operation, the steel pipe can be quickly bent by providing a bending guide wheel and a bending mechanism consisting of a rotating shaft, a reducer, a servo motor 1, a swing arm and a pressure wheel. The steel pipe can be bent into different arcs by controlling the swing angle of the swing arm. The position of the pressure wheel can be adjusted by providing a slide groove, a screw rod, a servo motor 2 and a slider, so that the bent steel pipe can be easily unloaded after being bent. The steel pipe can be automatically fed and fixed-length fed by providing a feeding drive mechanism consisting of a support frame, a number of limiting rollers, a driver, a driving roller 1 and a driving roller 2, so that the steel pipe can be limited when being bent to prevent the steel pipe from moving. The bent steel pipe can be cut off by providing a cutting mechanism consisting of a support block, a hydraulic telescopic rod and a cutting machine body, so as to facilitate the next bending work.

Claims

1. A bending device for forming a steel pipe, comprising a workbench (1), characterized in that: The bottom end of the workbench (1) is fixedly provided with a plurality of support seats (2), the top end of the workbench (1) is fixedly provided with a feed drive mechanism (3), a cutting mechanism (4) and a bending guide wheel (5), a bending mechanism (6) matching the bending guide wheel (5) is inserted on the workbench (1), and the bending mechanism (6) is composed of a rotating shaft (7), a reducer (8), a servo motor (9), a swing arm (10) and a pressure wheel (11), and the rotating shaft (7) is inserted on the workbench (1) ) and the bending guide wheel (5) and is rotatably connected thereto through a bearing (12), a reducer (8) is fixedly connected to the bottom end of the workbench (1), a servo motor (9) is fixedly connected to the bottom end of the reducer (8), an output shaft of the servo motor (9) is connected to an input shaft of the reducer (8), an output shaft of the reducer (8) is fixedly connected to a rotating shaft (7), a swing arm (10) is fixedly connected to the top end of the rotating shaft (7), and a pressure wheel (11) is rotatably connected to the bottom end of the swing arm (10).

2. A steel pipe bending device according to claim 1, characterized in that: The swing arm (10) is provided with a slide groove (13), a screw rod (14) is rotatably provided inside the slide groove (13), a servo motor (15) connected to the screw rod (14) is fixedly provided at one end of the swing arm (10), a slider (16) sleeved on the screw rod (14) is slidably provided inside the slide groove (13), and the pressure wheel (11) is rotatably connected to the bottom end of the slider (16).

3. The steel pipe bending device according to claim 1, characterized in that: The feed drive mechanism (3) is composed of a support frame (17), a plurality of limiting rollers (18), a driver (19), a driving roller 1 (20) and a driving roller 2 (21), wherein the support frame (17) is fixedly connected to the top of the workbench (1), the limiting roller (18) is rotatably connected to the inside of the support frame (17), the driver (19) is fixedly connected to one end of the top of the support frame (17), and the driving roller 1 (20) and the driving roller 2 (21) are both rotatably connected to one end inside the support frame (17) and connected to the driver (19).

4. The steel pipe bending device according to claim 3, characterized in that: The driver (19) is composed of a housing (22), a servo motor (3) (23), a driving gear (24) and a driven gear (25). The servo motor (3) (23) is fixedly connected to one end of the top of the housing (22). The driving gear (24) and the driven gear (25) are both rotatably connected to the inside of the housing (22). The driving gear (24) is fixedly connected to the output shaft of the servo motor (3) (23). The driving roller (1) (20) and the driving roller (21) are fixedly connected to the driving gear (24) and the driven gear (25) respectively.

5. The steel pipe bending device according to claim 1, characterized in that: The cutting mechanism (4) is composed of a support block (26), a hydraulic telescopic rod (27) and a cutting machine body (28); the support block (26) is fixedly connected to the top of the workbench (1); the hydraulic telescopic rod (27) is inserted into the support block (26); and the cutting machine body (28) is fixedly connected to one end of the hydraulic telescopic rod (27).