Automatic hydraulic pipe bending machine capable of accurately positioning

Abstract

The utility model provides an automatic hydraulic pipe bender capable of accurately positioning, which is simple in design structure, clamps and fixes a pipeline through two clamping plates after the pipeline is positioned, can ensure the stability of the pipeline during bending and avoids the phenomenon of displacement of the pipeline, and comprises a working plate, a clamping plate and a clamping plate, four supporting legs are fixedly mounted at the bottom of the working plate, and a controller is arranged at the top of the working plate and used for controlling electric appliances; the pipe conveying mechanism is arranged at the top of the working plate and used for conveying the pipelines; the pipe clamping mechanism is arranged at the top of the working plate and used for clamping and fixing the pipeline when the pipeline is bent; the positioning sensor is arranged at the top of the working plate and used for measuring and monitoring the displacement distance of pipeline conveying; the driven wheel is rotationally mounted at the top of the working plate through a bearing and a shaft, and the center position is aligned with the positioning sensor; and the pipe bending mechanism is mounted at the top of the working plate, is matched with the driven wheel and is used for bending the pipeline.

Description

Technical Field

[0001] This utility model relates to the field of pipe bending machine technology, and in particular to an automatic hydraulic pipe bending machine that can be accurately positioned. Background Technology

[0002] Pipe bending machines are broadly classified into CNC pipe bending machines and hydraulic pipe bending machines. They are used in pipeline laying and repair in power construction, railway and highway construction, bridges, and ships. Pipe bending machines are mainly used for bending steel pipes in power construction, boilers, bridges, ships, furniture, and decoration. They have the advantages of multiple functions, reasonable structure, and simple operation.

[0003] Publication (Announcement) No.: CN218361498U discloses an automatic hydraulic pipe bending machine with accurate positioning, including a pipe bending machine body. The pipe bending machine body includes a base cabinet. A pipe bending disc is provided on one side of the top of the base cabinet along the length direction. A first fixing plate is fixedly connected to one side of the pipe bending disc along the width direction and located on the top of the base cabinet. A first hydraulic rod is fixedly connected to the side of the first fixing plate near the pipe bending disc. A bending plate is fixedly connected to the side of the first hydraulic rod away from the first fixing plate. A fixing structure is provided on one side of the pipe bending disc along the width direction and located on the top of the base cabinet. A feeding and positioning structure that enables accurate positioning is provided on the top of the base cabinet and located on the side of the fixing structure away from the pipe bending disc. By setting the feeding and positioning structure, the pipe bending machine can effectively and accurately position the pipe bending position, thereby avoiding the trouble caused by inaccurate bending position.

[0004] While existing automatic hydraulic pipe bending machines can automatically position and bend pipes, they cannot fix the pipes in place during bending, which can easily cause pipe displacement and affect the accuracy of the bending. Utility Model Content

[0005] In view of the defects existing in the prior art, the technical problem solved by this utility model is: although the existing automatic hydraulic pipe bending machine can automatically position and bend, it cannot fix the pipe during bending, which can easily cause pipe displacement and affect the bending accuracy. Therefore, this utility model provides an automatic hydraulic pipe bending machine that can accurately position the pipe.

[0006] To achieve the above objectives, this utility model provides:

[0007] An automatic hydraulic pipe bending machine capable of precise positioning includes:

[0008] The work board has four support legs fixedly installed at its bottom and a controller installed at its top for controlling electrical appliances.

[0009] The pipe feeding mechanism, located on top of the work plate, is used to transport pipes.

[0010] The pipe clamping mechanism, located on the top of the working plate, is used to clamp and fix the pipe when it is bent.

[0011] A positioning sensor, located on the top of the work plate, is used to measure and monitor the displacement distance of the pipeline.

[0012] The passive wheel is mounted on the top of the work plate by means of bearings and a shaft, with its center position aligned with the positioning sensor;

[0013] The pipe bending mechanism, mounted on the top of the work plate, works in conjunction with the driven wheel to bend pipes.

[0014] Preferably, a scale is provided on the top of the work plate to assist in the positioning of the pipe.

[0015] Preferably, the tube feeding mechanism includes two transmission wheels, with a drive shaft and a driven shaft fixedly mounted on the bottom ends of the two transmission wheels respectively. The drive shaft and the driven shaft are rotatably mounted on the working plate via bearings. A first gear and a second gear are fixedly mounted on the bottom ends of the drive shaft and the driven shaft respectively, and the first gear and the second gear mesh with each other.

[0016] Preferably, a servo motor is fixedly installed at the bottom of the working plate, a drive gear is fixedly installed on the output shaft of the servo motor, and a driven gear is sleeved on the outside of the drive shaft, with the drive gear meshing with the driven gear.

[0017] Preferably, the pipe clamping mechanism includes a U-shaped plate, which is fixedly installed on the top of the working plate to support the pipe. Two linear motors are fixedly installed on both sides of the U-shaped plate, and two clamping plates are slidably installed inside the U-shaped plate. The two linear motors are fixedly installed with the corresponding clamping plates to clamp the pipe.

[0018] Preferably, the pipe bending mechanism includes a hydraulic cylinder, which is mounted on the top of the work plate. A pipe bending component is mounted on the output shaft of the hydraulic cylinder, and the inner side of the pipe bending component is provided with an arc-shaped pipe bending notch for bending the pipe.

[0019] Compared with the prior art, the advantages of this utility model are:

[0020] 1. Insert the pipe between the two drive wheels. The servo motor drives the drive gear to rotate. The drive gear drives the drive shaft to rotate through the driven gear. The drive shaft drives the driven shaft to rotate through the first gear and the second gear, so that the two drive wheels rotate in opposite directions and convey the pipe forward.

[0021] 2. Once the front end of the pipe is aligned with the positioning sensor, position detection is initiated. The pipe continues to move forward until it reaches the designated length. At this point, the servo motor stops, and the pipe's position is repositioned using a ruler to ensure accurate transmission. Then, four linear motors start simultaneously to push the two clamping plates closer together. The two clamping plates clamp and fix the pipe, ensuring its stability during bending and preventing pipe displacement.

[0022] This utility model has a simple structure. After positioning the pipe, it is clamped and fixed by two clamping plates, which can ensure the stability of the pipe when bending and avoid pipe displacement. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the main structure of this design;

[0024] Figure 2 For this design Figure 1 A schematic diagram of the side view structure;

[0025] Figure 3 This is a structural schematic diagram of the pipe bend in this design;

[0026] Figure 4 This is a schematic diagram of the tube clamping mechanism in this design.

[0027] In the diagram: 1. Working plate; 2. Transmission wheel; 3. U-shaped plate; 4. Clamping plate; 5. Linear motor; 6. Positioning sensor; 7. Driven wheel; 8. Hydraulic cylinder; 9. Pipe bending component; 10. Scale; 11. Arc-shaped pipe bending notch; 12. Controller; 13. Drive shaft; 14. Driven shaft; 15. First gear; 16. Second gear; 17. Driven gear; 18. Servo motor; 19. Drive gear. Detailed Implementation

[0028] The embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.

[0029] See Figure 1-4 As shown, an automatic hydraulic pipe bending machine capable of precise positioning includes:

[0030] The work plate 1 has four support legs fixedly installed at its bottom, a controller 12 is provided on the top of the work plate 1 for controlling electrical appliances, and a scale 10 is provided on the top of the work plate 1 for assisting in the positioning of pipes.

[0031] The pipe feeding mechanism, located on top of the working plate 1, is used to transport pipes.

[0032] A pipe clamping mechanism is installed on the top of the working plate 1 to clamp and fix the pipe when it is bent.

[0033] Positioning sensor 6 is installed on the top of the working plate 1 and is used to measure and monitor the displacement distance of the pipeline.

[0034] The passive wheel 7 is mounted on the top of the work plate 1 via bearings and a shaft, with its center position aligned with the positioning sensor 6;

[0035] The pipe bending mechanism is installed on the top of the working plate 1 and works in conjunction with the driven wheel 7 to bend the pipe.

[0036] refer to Figure 1 , Figure 2 In this embodiment, the tube feeding mechanism includes two transmission wheels 2. The bottom ends of the two transmission wheels 2 are respectively fixedly mounted with a drive shaft 13 and a driven shaft 14. The drive shaft 13 and the driven shaft 14 are rotatably mounted on the working plate 1 through bearings. The bottom ends of the drive shaft 13 and the driven shaft 14 are respectively fixedly mounted with a first gear 15 and a second gear 16. The first gear 15 and the second gear 16 mesh with each other. The bottom of the working plate 1 is fixedly mounted with a servo motor 18. The output shaft of the servo motor 18 is fixedly mounted with a drive gear 19. The outer side of the drive shaft 13 is fitted with a driven gear 17. The drive gear 19 meshes with the driven gear 17.

[0037] refer to Figure 1 , Figure 4 In this embodiment, the pipe clamping mechanism includes a U-shaped plate 3, which is fixedly installed on the top of the working plate 1 to support the pipe. Two linear motors 5 are fixedly installed on both sides of the U-shaped plate 3. Two clamping plates 4 are slidably installed inside the U-shaped plate 3. The two linear motors 5 are fixedly installed with the corresponding clamping plates 4 to clamp the pipe.

[0038] refer to Figure 1 , Figure 3 In this embodiment, the pipe bending mechanism includes a hydraulic cylinder 8, which is mounted on the top of the working plate 1. A pipe bending component 9 is mounted on the output shaft of the hydraulic cylinder 8. An arc-shaped pipe bending notch 11 is provided on the inner side of the pipe bending component 9 for bending the pipe.

[0039] In operation, when using the device, the power supply and controller 12 are connected, and the pipe is inserted between the two transmission wheels 2. The servo motor 18 drives the drive gear 19 to rotate, and the drive gear 19 drives the drive shaft 13 to rotate through the driven gear 17. The drive shaft 13 drives the driven shaft 14 to rotate through the first gear 15 and the second gear 16, causing the two transmission wheels 2 to rotate in opposite directions and convey the pipe forward until the front end of the pipe is aligned with the positioning sensor 6. At this point, position detection is initiated, and the pipe continues to move forward until it reaches the designated length. Then, the servo motor 18 stops working, and the position of the pipe is repositioned using a scale 10 to ensure the accuracy of the conveying. Then, four linear motors 5 are started simultaneously to push the two clamping plates 4 closer together. The two clamping plates 4 clamp and fix the pipe, which can ensure the stability of the pipe during bending and prevent pipe displacement. The hydraulic cylinder 8 pushes the pipe bending component 9 to pressurize the pipe and bends it through the arc-shaped pipe bending notch 11. After bending, the pipe can be removed.

[0040] This utility model is not limited to the above-described preferred embodiment. Anyone can derive other products in various forms under the guidance of this utility model. However, regardless of any changes made in its shape or structure, any technical solution that is the same as or similar to this utility model is within its protection scope.

Claims

1. An automatic hydraulic pipe bending machine capable of precise positioning, characterized in that: include: The work plate (1) has four support legs fixedly installed at its bottom and a controller (12) is provided at its top for controlling electrical appliances. The pipe delivery mechanism is located on the top of the work plate (1) and is used to deliver the pipe. A pipe clamping mechanism is set on the top of the working plate (1) for clamping and fixing the pipe when it is bent; A positioning sensor (6) is set on the top of the working plate (1) to measure and monitor the displacement distance of the pipeline. The passive wheel (7) is mounted on the top of the work plate (1) by means of bearings and shaft rotation, with its center position aligned with the positioning sensor (6); The pipe bending mechanism is installed on the top of the work plate (1) and works in conjunction with the passive wheel (7) to bend the pipe.

2. The automatic hydraulic pipe bending machine with accurate positioning as described in claim 1, characterized in that: The tube feeding mechanism includes two transmission wheels (2), and a drive shaft (13) and a driven shaft (14) are fixedly installed at the bottom ends of the two transmission wheels (2), respectively. The drive shaft (13) and the driven shaft (14) are rotatably mounted on the working plate (1) through bearings. A first gear (15) and a second gear (16) are fixedly installed at the bottom ends of the drive shaft (13) and the driven shaft (14), respectively. The first gear (15) and the second gear (16) mesh with each other.

3. The automatic hydraulic pipe bending machine with accurate positioning as described in claim 2, characterized in that: A servo motor (18) is fixedly installed at the bottom of the working plate (1). A drive gear (19) is fixedly installed on the output shaft of the servo motor (18). A passive gear (17) is sleeved on the outside of the drive shaft (13). The drive gear (19) meshes with the passive gear (17).

4. The automatic hydraulic pipe bending machine with accurate positioning as described in claim 1, characterized in that: The pipe clamping mechanism includes a U-shaped plate (3), which is fixedly installed on the top of the working plate (1) to support the pipe. Two linear motors (5) are fixedly installed on both sides of the U-shaped plate (3), and two clamping plates (4) are slidably installed inside the U-shaped plate (3). The two linear motors (5) are fixedly installed with the corresponding clamping plates (4) to clamp the pipe.

5. The automatic hydraulic pipe bending machine with accurate positioning as described in claim 1, characterized in that: The pipe bending mechanism includes a hydraulic cylinder (8), which is mounted on the top of the working plate (1). A pipe bending component (9) is mounted on the output shaft of the hydraulic cylinder (8). An arc-shaped pipe bending notch (11) is provided on the inner side of the pipe bending component (9) for bending the pipe.

6. The automatic hydraulic pipe bending machine with accurate positioning as described in claim 1, characterized in that: The top of the working plate (1) is provided with a scale (10) to assist in the positioning of the pipe.

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