Pipe bending mechanism

By designing a movable and rotatable clamping seat in the bending machine and using hydraulic cylinders and stepper motor drive systems, the limitations of positioning and bending of pipes of different diameters in the prior art are solved, and efficient and flexible pipe bending is achieved.

CN222919397UActive Publication Date: 2025-05-30JINGZHOU TIANYU AUTO PARTS CO LTD
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Patent Information

Application Number
CN202421761122.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-24
Publication Date
2025-05-30
Estimated Expiration
2034-07-24

AI Technical Summary

Technical Problem

The existing bending machines have limitations in positioning and bending pipes of different diameters, making it difficult to achieve flexible positioning and bending of pipes of different diameters.

Method used

By designing a movable and rotatable clamping seat, the hydraulic cylinder and stepper motor drive system can achieve clamping, positioning and bending of pipes of different diameters.

Benefits of technology

Flexible positioning and bending of pipes of different diameters is achieved, and the efficiency and flexibility of pipe bending are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of pipe bending mechanisms, and discloses a pipe bending mechanism which comprises a shell, a through hole is formed in the top of the shell, a bending column is fixedly installed on the inner wall of the bottom of the shell, the top of the bending column penetrates through the shell through the through hole, and an annular base is rotatably installed at the top of the shell. A fixed seat is fixedly mounted on one side of the annular seat, a sliding seat is slidably mounted at the top of the fixed seat, a guide mechanism is arranged between the sliding seat and the fixed seat, a clamping seat is fixedly mounted at the top of the sliding seat and matched with the bending column, and a power assembly is arranged in the shell and connected with the annular seat; and a vertical plate is fixedly mounted on one side of the fixed seat. The pipe bending device has the following advantages and effects that different pipes can be conveniently clamped and positioned through the movement of the clamping seat, and the pipes can be extruded around the bending column through the rotation of the clamping seat, so that the purpose of bending the pipes is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of pipe bending mechanisms, and particularly relates to a pipe folding and bending mechanism. Background Art

[0002] A bending machine is a device for bending pipes. It can bend straight pipes into a certain bending angle to meet actual installation requirements. After retrieval, a patent document with the authorization announcement number CN213436473U discloses a metal pipe bending device, which includes a bending table. A step is arranged on the left side of the bending table, a positioning sleeve is fixedly installed on the top of the bending table, two groups of front and rear parallel side plates are fixedly installed on the step, and a rotatable lead screw is installed between each group of side plates. A first motor is fixedly installed on one of the side plates. This utility model relates to the technical field of pipe bending. This metal pipe bending device is provided with an automatic feeding mechanism with a rotating function. Through this mechanism, the workpiece can be automatically advanced and bent in cooperation with the bending mechanism, and at the same time, the state of the workpiece is ensured to be stable during the bending process, and there will be no phenomenon of displacement deviation. More importantly, the workpiece can be automatically rotated through the rotating mechanism to meet the non-planar continuous bending requirements, that is, after bending a section, the workpiece is rotated by a certain angle and then continues to be bent, thereby improving the bending efficiency.

[0003] In actual use, it is found that the distance between the fixed bending roller and the movable bending roller is fixed, so that pipes with a specified diameter can be bent. There are certain limitations in pipe bending, and there is a problem that it is not convenient to position and bend pipes with different diameters. Therefore, we propose a pipe folding and bending mechanism to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a pipe folding and bending mechanism. By moving the clamping seat, it is convenient to clamp and position different pipes. By rotating the clamping seat, the pipe can be squeezed around the bending column, so as to achieve the purpose of pipe bending.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: A pipe folding and bending mechanism includes a housing. A through hole is opened at the top of the housing. A bending column is fixedly installed on the bottom inner wall of the housing, and the top of the bending column passes through the housing through the through hole. A ring seat is rotatably installed at the top of the housing. A fixed seat is fixedly installed on one side of the ring seat. A sliding seat is slidably installed on the top of the fixed seat. A guiding mechanism is arranged between the sliding seat and the fixed seat. A clamping seat is fixedly installed on the top of the sliding seat, and the clamping seat is adapted to the bending column. A power component is arranged in the housing, and the power component is connected to the ring seat.

[0006] By adopting the above technical solution, the movement of the clamping seat facilitates the clamping and positioning of different pipes. By rotating the clamping seat, the pipe can be extruded around the bending column, thereby achieving the purpose of bending the pipe.

[0007] A further setting of the present utility model is that a vertical plate is fixedly installed on one side of the fixed seat. A pushing mechanism is provided on the vertical plate, and the pushing mechanism is connected to the sliding seat. The pushing mechanism includes a hydraulic cylinder and a driving seat. The hydraulic cylinder is fixedly installed on one side of the vertical plate, the driving seat is fixedly installed on the top of the sliding seat, and the output shaft of the hydraulic cylinder is fixedly connected to the driving seat.

[0008] By adopting the above technical solution, by providing a hydraulic cylinder, the hydraulic cylinder can drive the driving seat to move through the output shaft.

[0009] A further setting of the present utility model is that the guiding mechanism includes a T-shaped guiding seat and a T-shaped guiding hole. The T-shaped guiding seat is fixedly installed on the top of the fixed seat, the T-shaped guiding hole is opened on the bottom of the sliding seat, and the T-shaped guiding hole is slidably connected to the corresponding T-shaped guiding seat.

[0010] By adopting the above technical solution, by providing a T-shaped guiding seat and a T-shaped guiding hole, the sliding seat can be guided, so that the sliding seat can move stably.

[0011] A further setting of the present utility model is that a bending groove is opened on the bending column, a positioning hole is opened on the clamping seat, and the positioning hole is adapted to the corresponding bending groove.

[0012] By adopting the above technical solution, by providing a plurality of positioning holes, the purpose of positioning pipes with different diameters can be achieved.

[0013] A further setting of the present utility model is that the power assembly includes a driving mechanism and a transmission mechanism. The driving mechanism is arranged in the housing, and there is a transmission mechanism between the driving mechanism and the annular seat. The driving mechanism includes a stepping motor and a driving gear. The stepping motor is fixedly installed on the bottom inner wall of the housing, a driving gear is fixedly installed on the output shaft of the stepping motor, the transmission mechanism includes a rotating ring plate and an annular rack. The rotating ring plate is fixedly installed on the bottom of the annular seat, the rotating slide plate extends into the housing, the annular rack is fixedly installed on the rotating ring plate, and the annular rack is meshed with the driving gear.

[0014] By adopting the above technical solution, by starting the stepping motor, the stepping motor can drive the driving gear to rotate. The driving gear can drive the rotating ring plate to rotate through the annular rack, and the rotating ring plate can drive the fixed seat and the clamping seat to rotate through the annular seat.

[0015] A further setting of the present utility model is that: an annular sliding groove is provided at the bottom of the housing, an annular sliding seat is fixedly installed at the bottom of the annular seat, the annular sliding seat is rotationally connected to the corresponding annular sliding groove, a circular hole is provided on the vertical plate, and the output shaft of the hydraulic cylinder passes through the corresponding vertical plate through the circular hole.

[0016] By adopting the above technical solution, by providing the annular sliding groove and the annular sliding seat, the guiding of the annular seat can be realized, so that the annular seat can rotate stably.

[0017] The beneficial effects of the present utility model are:

[0018] (1) When the pipe is fixedly placed between the clamping seat and the bending column, by starting the hydraulic cylinder, the hydraulic cylinder can drive the driving seat to move through the output shaft, the driving seat drives the clamping seat to move through the sliding seat, and the clamping seat can press the pipe against the bending column to achieve the purpose of clamping and positioning the pipe;

[0019] (2) By starting the stepping motor, the stepping motor can drive the driving gear to rotate, the driving gear can drive the rotating ring plate to rotate through the annular rack, and the rotating ring plate can drive the fixed seat and the clamping seat to rotate through the annular seat, and the rotating clamping seat squeezes the pipe around the bending column, so as to achieve the purpose of bending the pipe. Description of the Drawings

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0021] Figure 1 It is a three-dimensional structural schematic diagram of a pipe bending and pipe bending mechanism of the present utility model;

[0022] Figure 2 It is a sectional three-dimensional structural schematic diagram of a pipe bending and pipe bending mechanism of the present utility model;

[0023] Figure 3 It is a schematic diagram of structure A of a pipe bending and pipe bending mechanism of the present utility model;

[0024] Figure 4 It is a schematic diagram of structure B of a pipe bending and pipe bending mechanism of the present utility model.

[0025] In the figure, 1 is a housing; 2 is a through hole; 3 is a bending post; 4 is an annular seat; 5 is a fixed seat; 6 is a clamping seat; 7 is a T-shaped guide seat; 8 is a sliding seat; 9 is a T-shaped guide hole; 10 is a vertical plate; 11 is a hydraulic cylinder; 12 is a driving seat; 13 is a rotating ring plate; 14 is an annular rack; 15 is a stepping motor; 16 is a driving gear. Detailed implementation manner

[0026] The technical solution of the present utility model will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0027] When a component is referred to as being "arranged on" another component, it can be directly on the other component or there can also be an intermediate component. "Arranged" represents a way of existence, which can be connection, installation, fixed connection, active connection and other connection methods. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intermediate component at the same time.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this invention belongs. The terms used in the description of the present invention in this specification are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0029] See Figures 1 - 4 , the present utility model provides a pipe bending and pipe bending mechanism, which includes a housing 1. A through hole 2 is opened at the top of the housing 1. A bending post 3 is fixedly installed on the bottom inner wall of the housing 1, and the top of the bending post 3 passes through the housing 1 through the through hole 2. An annular seat 4 is rotatably installed on the top of the housing 1. A fixed seat 5 is fixedly installed on one side of the annular seat 4. A sliding seat 8 is slidably installed on the top of the fixed seat 5. A guiding mechanism is provided between the sliding seat 8 and the fixed seat 5. A clamping seat 6 is fixedly installed on the top of the sliding seat 8, and the clamping seat 6 is adapted to the bending post 3. A power assembly is provided in the housing 1, and the power assembly is connected to the annular seat 4.

[0030] Specifically, a vertical plate 10 is fixedly installed on one side of the fixed seat 5. A pushing mechanism is provided on the vertical plate 10, and the pushing mechanism is connected to the sliding seat 8. The pushing mechanism includes a hydraulic cylinder 11 and a driving seat 12. The hydraulic cylinder 11 is fixedly installed on one side of the vertical plate 10. The driving seat 12 is fixedly installed on the top of the sliding seat 8, and the output shaft of the hydraulic cylinder 11 is fixedly connected to the driving seat 12.

[0031] Specifically, the guiding mechanism includes a T-shaped guiding seat 7 and a T-shaped guiding hole 9. The T-shaped guiding seat 7 is fixedly installed on the top of the fixed seat 5, and the T-shaped guiding hole 9 is opened on the bottom of the sliding seat 8. The T-shaped guiding hole 9 is slidably connected to the corresponding T-shaped guiding seat 7. A bending groove is opened on the bending column 3, and a positioning hole is opened on the clamping seat 6, and the positioning hole is adapted to the corresponding bending groove.

[0032] Specifically, the power assembly includes a driving mechanism and a transmission mechanism. The driving mechanism is arranged in the housing 1, and a transmission mechanism is provided between the driving mechanism and the annular seat 4. The driving mechanism includes a stepping motor 15 and a driving gear 16. The stepping motor 15 is fixedly installed on the inner wall of the bottom of the housing 1, and a driving gear 16 is fixedly installed on the output shaft of the stepping motor 15. The transmission mechanism includes a rotating ring plate 13 and an annular rack 14. The rotating ring plate 13 is fixedly installed on the bottom of the annular seat 4. The rotating slide plate extends into the housing 1, and the annular rack 14 is fixedly installed on the rotating ring plate 13, and the annular rack 14 meshes with the driving gear 16.

[0033] Specifically, an annular sliding groove is opened at the bottom of the housing 1, and an annular sliding seat is fixedly installed at the bottom of the annular seat 4. The annular sliding seat is rotatably connected to the corresponding annular sliding groove. A round hole is opened on the vertical plate 10, and the output shaft of the hydraulic cylinder 11 passes through the corresponding vertical plate 10 through the round hole.

[0034] Working principle: When the pipe is fixedly placed between the clamping seat 6 and the bending column 3, by starting the hydraulic cylinder 11, the hydraulic cylinder 11 can drive the driving seat 12 to move through the output shaft. The driving seat 12 drives the clamping seat 6 to move through the sliding seat 8. The clamping seat 6 can press the pipe against the bending column 3 to achieve the purpose of clamping and positioning the pipe. By starting the stepping motor 15, the stepping motor 15 can drive the driving gear 16 to rotate. The driving gear 16 can drive the rotating ring plate 13 to rotate through the annular rack 14. The rotating ring plate 13 can drive the fixed seat 5 and the clamping seat 6 to rotate through the annular seat 4. The rotating clamping seat 6 squeezes the pipe around the bending column 3, thereby achieving the purpose of bending the pipe.

[0035] The above has introduced in detail a pipe bending and elbow forming mechanism provided by the present utility model. Specific embodiments are used in this article to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and modifications can still be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. A tube bending mechanism, characterized in that: It comprises a shell (1), the top of the shell (1) is provided with a through hole (2), a bending column (3) is fixedly mounted on the bottom inner wall of the shell (1), and the top of the bending column (3) passes through the shell (1) through the through hole (2); An annular seat (4) is rotatably mounted on the top of the shell (1), a fixed seat (5) is fixedly mounted on one side of the annular seat (4), a sliding seat (8) is slidably mounted on the top of the fixed seat (5), a guide mechanism is provided between the sliding seat (8) and the fixed seat (5), a clamping seat (6) is fixedly mounted on the top of the sliding seat (8), and the clamping seat (6) is compatible with the bending column (3), and a power assembly is provided in the shell (1), and the power assembly is connected to the annular seat (4).

2. A tube bending mechanism according to claim 1, characterized in that: A vertical plate (10) is fixedly mounted on one side of the fixed seat (5), a pushing mechanism is provided on the vertical plate (10), and the pushing mechanism is connected to the sliding seat (8).

3. A tube bending mechanism according to claim 2, characterized in that: The pushing mechanism comprises a hydraulic cylinder (11) and a driving seat (12); the hydraulic cylinder (11) is fixedly mounted on one side of the vertical plate (10); the driving seat (12) is fixedly mounted on the top of the sliding seat (8); and the output shaft of the hydraulic cylinder (11) is fixedly connected to the driving seat (12).

4. A tube bending mechanism according to claim 1, characterized in that: The guide mechanism comprises a T-shaped guide seat (7) and a T-shaped guide hole (9); the T-shaped guide seat (7) is fixedly mounted on the top of the fixed seat (5); the T-shaped guide hole (9) is opened on the bottom of the sliding seat (8); and the T-shaped guide hole (9) is slidably connected to the corresponding T-shaped guide seat (7).

5. The tube bending mechanism according to claim 1, characterized in that: The bending column (3) is provided with a bending groove, the clamping seat (6) is provided with a positioning hole, and the positioning hole is matched with the corresponding bending groove.

6. The tube bending mechanism according to claim 1, characterized in that: The power assembly comprises a driving mechanism and a transmission mechanism; the driving mechanism is arranged in the housing (1), and the transmission mechanism is arranged between the driving mechanism and the annular seat (4).

7. A tube bending mechanism according to claim 6, characterized in that: The driving mechanism comprises a stepping motor (15) and a driving gear (16); the stepping motor (15) is fixedly mounted on the bottom inner wall of the housing (1); and the driving gear (16) is fixedly mounted on the output shaft of the stepping motor (15).

8. The tube bending mechanism according to claim 6, characterized in that: The transmission mechanism comprises a rotating ring plate (13) and an annular rack (14); the rotating ring plate (13) is fixedly mounted on the bottom of the annular seat (4); the rotating slide plate extends into the housing (1); the annular rack (14) is fixedly mounted on the rotating ring plate (13); and the annular rack (14) is meshed with a driving gear (16).

9. The tube bending mechanism according to claim 1, characterized in that: An annular sliding groove is provided at the bottom of the shell (1), an annular sliding seat is fixedly mounted at the bottom of the annular seat (4), and the annular sliding seat is rotatably connected to the corresponding annular sliding groove.

10. The tube bending mechanism according to claim 2, characterized in that: A circular hole is provided on the vertical plate (10), and the output shaft of the hydraulic cylinder (11) passes through the circular hole and penetrates the corresponding vertical plate (10).

Citation Information

Patent Citations

  • Metal pipe bending device

    CN213436473U