A pipe bender

CN224779042UActive Publication Date: 2026-09-22SICHUAN HUASHI INNOVATION TECH CO LTD
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Patent Information

Application Number
CN202522237601.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-23
Publication Date
2026-09-22
Estimated Expiration
2035-10-23

AI Technical Summary

Technical Problem

[0004]本实用新型提供一种弯管机,旨在解决传统的管材弯管加工中,通常为人工配合弯管设备折弯管材,弯管过程中,通过人工比对尺寸,误差大,弯管精度低,人工劳动强度高,弯管效率低的问题

Benefits of technology

[0007]采用上述进一步方案的有益效果是:用于将待加工的管件推动至折弯机构处。

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is suitable for pipe processing technical field provides a kind of pipe bender, including workbench, the top of workbench is equipped with feeding mechanism, two groups of positioning strips are arranged in parallel in the side of feeding mechanism of workbench, the side of positioning strip away from feeding mechanism of workbench is equipped with compacting mechanism, bending mechanism is installed on the workbench, forming briquetting mechanism is installed on the bending mechanism;Through being equipped with feeding mechanism, for the pipe fitting to be processed is pushed to bending mechanism, precision control push distance, guarantee the accuracy of pipe fitting bending part, reduce the size error of pipe, through being equipped with compacting mechanism, for the pipe fitting to be processed is compacted fixed, guarantee the stability of pipe fitting in the process of pipe bending, improve the pipe bending effect, without artificial compacting pipe material, improve production safety, reduce the intensity of labour, improve its production efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of pipe processing technology, and in particular to a pipe bending machine. Background Technology

[0002] In the modern automotive industry, tubular components are widely used in key parts such as body structures (e.g., A-pillar and B-pillar reinforcement tubes), chassis systems (e.g., exhaust pipes, fuel lines, brake lines), powertrains (e.g., intake and exhaust manifolds), and safety systems (e.g., anti-collision beams, airbag inflator ducts) due to their excellent strength-to-weight ratio, high bending and torsional resistance, and flexible structural design. With the continuous development of lightweight, safety, and personalized design in automobiles, increasingly stringent requirements are being placed on the geometric precision and processing efficiency of tubular components.

[0003] In traditional pipe bending processes, pipes are typically bent manually in conjunction with bending equipment. During the bending process, manual comparison of dimensions leads to large errors, low bending accuracy, high labor intensity, and low bending efficiency. Utility Model Content

[0004] This utility model provides a pipe bending machine, which aims to solve the problems in traditional pipe bending processing, where pipes are usually bent manually in conjunction with bending equipment. During the bending process, manual comparison of dimensions leads to large errors, low bending accuracy, high labor intensity, and low bending efficiency.

[0005] This utility model is implemented as follows: a pipe bending machine includes a worktable, a feeding mechanism is installed at the top of the worktable, two sets of positioning strips are arranged parallel to each other on one side of the worktable located at the feeding mechanism, a pressing mechanism is installed on the side of the worktable located away from the feeding mechanism at the positioning strips, a bending mechanism is installed on the worktable, and a forming pressing mechanism is installed on the bending mechanism.

[0006] Preferably, the feeding mechanism includes: a feeding base plate, which is fixedly connected to the top of the workbench, a feeding cylinder is installed on the feeding base plate, and a push plate is fixedly connected to the output end of the feeding cylinder.

[0007] The beneficial effect of adopting the above-mentioned further solution is that it is used to push the pipe fittings to be processed to the bending mechanism.

[0008] Preferably, a groove is provided between the two sets of positioning strips, and the push plate is located in the groove.

[0009] The advantages of adopting the above-mentioned further solution are: it facilitates the placement of the pipe fittings to be processed within the groove, accurately positions the pipe fittings at the bend, and improves the bending effect.

[0010] Preferably, the clamping mechanism includes: a clamping mounting base, the bottom of which is fixedly connected to the top of the workbench; a clamping cylinder is mounted on the clamping mounting base; an earring clamping earring is fixedly connected to the output end of the clamping cylinder; a rocker arm is rotatably connected to the clamping earring below the clamping earring; the top end of the rocker arm is rotatably connected to the clamping earring via a rotating shaft; and a clamping block is fixedly connected to the bottom of the rocker arm.

[0011] The beneficial effects of adopting the above-mentioned further solution are: it is used to compress and fix the pipe fittings to be processed, ensuring the stability of the pipe fittings during the bending process and improving the bending effect.

[0012] Preferably, the bending mechanism includes: a main shaft, the bottom of which is fixedly connected to the bottom of the worktable; a ball bearing is fitted at both the upper and lower ends of the main shaft; a rotating arm is mounted on each of the two sets of ball bearings; the rotating arm is rotatably connected to the main shaft through the ball bearings at both ends; an ear ring connecting seat is fixedly connected to the rotating arm; a rotary cylinder mounting seat is fixedly connected to the worktable at the position of the main shaft; a rotary cylinder is mounted on the rotary cylinder mounting seat; a rotary ear ring is fixedly connected to the output end of the rotary cylinder; the rotary ear ring and the ear ring connecting seat are rotatably connected through a rotating shaft; and an auxiliary support mounting plate is fixedly connected to the main shaft above the rotating arm; the auxiliary support mounting plate is fixedly connected to the worktable.

[0013] The beneficial effect of adopting the above-mentioned further solution is that it can be used for bending the pipe fittings to be processed.

[0014] Preferably, the forming and pressing mechanism includes: a slide rail, the slide rail being fixedly connected to the top end of a rotating arm, a slider being slidably connected to the slide rail, a forming groove block being fixedly connected to the top end of the slider, a forming cylinder being installed on the rotating arm below the slide rail, a forming ear being fixedly connected to the output end of the forming cylinder, a rear connecting rod and a front connecting rod being rotatably connected to the forming ear in sequence, the top end of the rear connecting rod being rotatably connected to the top of the rotating arm, and the front connecting rod being rotatably connected to the slider.

[0015] The beneficial effect of adopting the above-mentioned further solution is that it can be used to press the pipe fitting onto the main shaft, so as to facilitate the rotation of the rotating arm and thus perform bending processing on the pipe fitting.

[0016] Preferably, the workbench is provided with an arc-shaped groove at the top of the bending mechanism.

[0017] The beneficial effect of adopting the above-mentioned further solution is that it facilitates the rotation and movement of the bending mechanism.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model provides a pipe bending machine, which is equipped with a feeding mechanism to push the pipe to be processed to the bending mechanism, precisely controlling the pushing distance to ensure the accuracy of the pipe bending part and reduce the dimensional error of the pipe bending. It is equipped with a clamping mechanism to clamp and fix the pipe to be processed, ensuring the stability of the pipe during the bending process and improving the bending effect. It eliminates the need for manual clamping of the pipe, improving production safety and reducing manual labor intensity. It is equipped with a bending mechanism to bend the pipe to be processed, and a forming and pressing mechanism to press the pipe to be processed on the main shaft, so that it can follow the rotation of the rotating arm to bend the pipe, thereby improving its production efficiency. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 for Figure 1 A schematic diagram of the side view structure;

[0021] Figure 3 for Figure 2 Enlarged schematic diagram of the structure at point A in the middle;

[0022] Figure 4 for Figure 1 Schematic diagram of the bending mechanism and the forming and pressing mechanism;

[0023] Figure 5 for Figure 4 A schematic diagram of the forming and pressing mechanism in the image.

[0024] In the diagram: 1. Workbench; 2. Feeding mechanism; 21. Feeding base plate; 22. Feeding cylinder; 23. Push plate; 3. Positioning strip; 4. Clamping mechanism; 41. Clamping mounting base; 42. Clamping cylinder; 43. Clamping ear; 44. Rocker arm; 45. Clamping block; 5. Bending mechanism; 51. Main shaft; 52. Ball bearing; 53. Rotary arm; 54. Ear connector; 55. Rotary cylinder mounting base; 56. Rotary cylinder; 57. Rotary ear; 58. Auxiliary support mounting plate; 6. Forming block mechanism; 61. Slide rail; 62. Slider; 63. Forming groove block; 64. Forming cylinder; 65. Forming ear; 66. Rear connecting rod; 67. Front connecting rod. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0026] Please see Figure 1-5 This utility model provides a technical solution for a pipe bending machine: a pipe bending machine includes a workbench 1, a feeding mechanism 2 is installed on the top of the workbench 1, two sets of positioning strips 3 are arranged parallel to each other on one side of the workbench 1 located at the feeding mechanism 2, a pressing mechanism 4 is installed on the side of the workbench 1 located away from the feeding mechanism 2 at the positioning strips 3, a bending mechanism 5 is installed on the workbench 1, and a forming pressing mechanism 6 is installed on the bending mechanism 5.

[0027] In this embodiment, a feeding mechanism 2 is provided to push the pipe to be processed to the bending mechanism 5, precisely controlling the pushing distance to ensure the accuracy of the pipe bending section and reduce the dimensional error of the bend. A clamping mechanism 4 is provided to clamp and fix the pipe to be processed, ensuring the stability of the pipe during the bending process and improving the bending effect. No manual clamping of the pipe is required, which improves production safety and reduces the intensity of manual labor. The bending mechanism 5 is provided to bend the pipe to be processed. The forming and pressing block mechanism 6 is used to press the pipe to be processed onto the main shaft 51, so that it can follow the rotation of the rotating arm 53 to bend the pipe, thereby improving the production efficiency.

[0028] Furthermore, the feeding mechanism 2 includes: a feeding base plate 21, which is fixedly connected to the top of the workbench 1, and a feeding cylinder 22 is installed on the feeding base plate 21. The output end of the feeding cylinder 22 is fixedly connected to a push plate 23.

[0029] In this embodiment, a feeding mechanism 2 is provided to push the pipe to be processed to the bending mechanism 5. The feeding mechanism 2 includes a feeding base plate 21, and a feeding cylinder 22 is installed on the feeding base plate 21. By driving the feeding cylinder 22 to drive the push plate 23 to move, the pushing distance can be precisely controlled according to the stroke of the feeding cylinder 22, so as to ensure the accuracy of the bending part of the pipe and reduce the dimensional error of the bent pipe.

[0030] Typically, a groove is provided between the two sets of positioning strips 3, and the push plate 23 is located in the groove.

[0031] In this embodiment, the groove between the two sets of positioning strips 3 facilitates the placement of the pipe to be processed within the groove, accurately positions the pipe bending position, and improves the bending effect. At the same time, the push plate 23 is located within the groove, facilitating the feeding of the pipe within the groove by pushing the push plate 23.

[0032] Specifically, the clamping mechanism 4 includes: a clamping mounting base 41, the bottom of which is fixedly connected to the top of the workbench 1; a clamping cylinder 42 is mounted on the clamping mounting base 41; an earring clamping earring 43 is fixedly connected to the output end of the clamping cylinder 42; a rocker arm 44 is rotatably connected to the clamping earring 43 below the clamping earring 43; the top of the rocker arm 44 is rotatably connected to the clamping earring 43 via a rotating shaft; and a clamping block 45 is fixedly connected to the bottom of the rocker arm 44.

[0033] In this embodiment, a clamping mechanism 4 is provided to clamp and fix the pipe to be processed, ensuring the stability of the pipe during the bending process and improving the bending effect. The clamping mechanism 4 includes a clamping mounting base 41. By installing a clamping cylinder 42 on the clamping mounting base 41, during operation, the clamping cylinder 42 is driven to rotate the rocker arm 44 through the clamping lug 43, and the pipe is clamped by the bottom clamping block 45. The bottom of the clamping block 45 is provided with a pipe groove, which is adapted to the size of the pipe to be processed. After the bending is completed, the clamping cylinder 42 is driven to reset.

[0034] In addition, the bending mechanism 5 includes: a main shaft 51, the bottom of which is fixedly connected to the bottom of the worktable 1. A ball bearing 52 is sleeved at both the upper and lower ends of the main shaft 51. A rotating arm 53 is installed on the two sets of ball bearings 52. The rotating arm 53 is rotatably connected to the main shaft 51 through the ball bearings 52 at both ends. An ear ring connecting seat 54 is fixedly connected to the rotating arm 53. A rotary cylinder mounting seat 55 is fixedly connected to the worktable 1 at the main shaft 51. A rotary cylinder 56 is installed on the rotary cylinder mounting seat 55. A rotary ear ring 57 is fixedly connected to the output end of the rotary cylinder 56. The rotary ear ring 57 and the ear ring connecting seat 54 are rotatably connected through a rotating shaft. An auxiliary support mounting plate 58 is fixedly connected to the main shaft 51 above the rotating arm 53. The auxiliary support mounting plate 58 is fixedly connected to the worktable 1.

[0035] In this embodiment, a bending mechanism 5 is provided for bending the pipe to be processed. The bending mechanism 5 includes a main shaft 51, wherein the rotating arm 53 is rotatably connected to the main shaft 51 through ball bearings 52 at both ends. During operation, the forming pressure block mechanism 6 presses the pipe onto the main shaft 51, drives the rotary cylinder 56, and drives the rotating arm 53 to rotate on the main shaft 51 through the rotary lug 57. Under the pressing state of the forming pressure block mechanism 6, the pipe is bent and formed. After forming, the rotary cylinder 56 is driven to reset.

[0036] Additionally, the forming and pressing mechanism 6 includes: a slide rail 61, which is fixedly connected to the top of the rotating arm 53; a slider 62 is slidably connected to the slide rail 61; a forming groove block 63 is fixedly connected to the top of the slider 62; a forming cylinder 64 is installed below the slide rail 61 on the rotating arm 53; a forming ear ring 65 is fixedly connected to the output end of the forming cylinder 64; a rear connecting rod 66 and a front connecting rod 67 are rotatably connected to the forming ear ring 65 in sequence; the top of the rear connecting rod 66 is rotatably connected to the top of the rotating arm 53; and the front connecting rod 67 is rotatably connected to the slider 62.

[0037] In this embodiment, the forming and pressing mechanism 6 is used to press the pipe to be bent onto the main shaft 51, so that it can rotate with the rotating arm 53 to perform bending processing on the pipe. The forming and pressing mechanism 6 includes a slide rail 61, and a slider 62 is slidably connected inside the slide rail 61. During operation, the forming cylinder 64 is driven to rotate the front connecting rod 67 and the rear connecting rod 66, pushing the slider 62 forward. The forming groove block 63 at the top of the pipe is used to press the pipe to be bent onto the main shaft 51. After the pipe is bent, the forming cylinder 64 is driven to reset. The forming cylinder 64 rotates with the rotating arm 53 through the two rotating shafts at both ends, so that the position can be adjusted adaptively during operation. At the same time, the front and rear connecting rod structure ensures the stability of the structure.

[0038] It should be noted that the workbench 1 has an arc-shaped groove at the top of the bending mechanism 5.

[0039] In this embodiment, an arc-shaped groove is provided on the workbench 1 to facilitate the rotation of the bending mechanism 5.

[0040] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A pipe bending machine, characterized in that: The workbench (1) is equipped with a feeding mechanism (2) at the top of the workbench (1). Two sets of positioning strips (3) are arranged parallel to each other on one side of the workbench (1) located on the side of the workbench (1) away from the feeding mechanism (2). A pressing mechanism (4) is installed on the side of the workbench (1) located away from the positioning strips (3). A bending mechanism (5) is installed on the workbench (1). A forming pressing mechanism (6) is installed on the bending mechanism (5).

2. A pipe bending machine according to claim 1, characterized in that: The feeding mechanism (2) includes: a feeding base plate (21), which is fixedly connected to the top of the workbench (1), and a feeding cylinder (22) is installed on the feeding base plate (21). A push plate (23) is fixedly connected to the output end of the feeding cylinder (22).

3. A pipe bending machine according to claim 2, characterized in that: A groove is provided between the two sets of positioning strips (3), and the push plate (23) is located in the groove.

4. A pipe bending machine according to claim 1, characterized in that: The clamping mechanism (4) includes: a clamping mounting base (41), the bottom of which is fixedly connected to the top of the workbench (1), a clamping cylinder (42) is mounted on the clamping mounting base (41), an earring clamping earring (43) is fixedly connected to the output end of the clamping cylinder (42), a rocker arm (44) is rotatably connected to the clamping earring (43) below the clamping earring (43), the top of the rocker arm (44) is rotatably connected to the clamping earring (43) through a rotating shaft, and a clamping block (45) is fixedly connected to the bottom of the rocker arm (44).

5. A pipe bending machine according to claim 1, characterized in that: The bending mechanism (5) includes: a main shaft (51), the bottom of which is fixedly connected to the bottom of the worktable (1). A ball bearing (52) is fitted at both the upper and lower ends of the main shaft (51). Rotary arms (53) are mounted on the two sets of ball bearings (52). The rotary arms (53) are rotatably connected to the main shaft (51) via the ball bearings (52) at both ends. An earring connector (54) is fixedly connected to the rotary arms (53). The worktable (1) is located at the bottom of the main shaft (51). 1) is fixedly connected to a rotary cylinder mounting base (55), on which a rotary cylinder (56) is mounted. The output end of the rotary cylinder (56) is fixedly connected to a rotary ear (57). The rotary ear (57) and the ear connecting base (54) are rotatably connected by a rotating shaft. The main shaft (51) is located above the rotating arm (53) and is fixedly connected to an auxiliary support mounting plate (58). The auxiliary support mounting plate (58) is fixedly connected to the worktable (1).

6. A pipe bending machine according to claim 5, characterized in that: The forming and pressing mechanism (6) includes: a slide rail (61), which is fixedly connected to the top of the rotating arm (53), a slider (62) is slidably connected on the slide rail (61), a forming groove block (63) is fixedly connected to the top of the slider (62), a forming cylinder (64) is installed on the rotating arm (53) below the slide rail (61), a forming ear ring (65) is fixedly connected to the output end of the forming cylinder (64), a rear connecting rod (66) and a front connecting rod (67) are rotatably connected on the forming ear ring (65), the top of the rear connecting rod (66) is rotatably connected to the top of the rotating arm (53), and the front connecting rod (67) is rotatably connected to the slider (62).

7. A pipe bending machine according to claim 1, characterized in that: The workbench (1) is located at the top of the bending mechanism (5) and has an arc-shaped groove.