A pipe end groove forming device

CN224444351UActive Publication Date: 2026-07-03DALIAN JIERUI FLUID CONTROL

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DALIAN JIERUI FLUID CONTROL
Filing Date
2025-07-28
Publication Date
2026-07-03

Smart Images

  • Figure CN224444351U_ABST
    Figure CN224444351U_ABST
Patent Text Reader

Abstract

This utility model belongs to the field of pipe processing technology, and in particular to a pipe end groove forming device, including a fixed box. A first pipe is fixedly installed inside the fixed box, and a servo motor is fixedly installed at the bottom of the inner wall of the fixed box. A rotating rod is fixedly installed on the output end of the servo motor through a transmission shaft, and a propulsion gear is fixedly installed on the surface of the rotating rod. This pipe end groove forming device adopts a double-layer pipe heating structure, which can accurately control the temperature of the pipe end and ensure that the material reaches the optimal plastic state. The servo drive system controls the rotation and feeding of the pipe, and with the cooperation of the pressure rod, the forming parts can apply pressure evenly and accurately form various pipe end grooves. The modular part design supports quick tool change to meet diverse processing needs, significantly improves production efficiency and process adaptability. The system integrates the concepts of temperature control, mechanical transmission and pressure forming functions, and can achieve high-precision and high-consistency processing results.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of pipe processing technology, specifically relating to a pipe end groove forming device. Background Technology

[0002] Pipe processing refers to the process of straightening, cutting, bending, and threading steel pipes, cast iron pipes, and other pipe materials according to design requirements, ultimately producing pipe fittings or sections that meet usage needs. The core processes of pipe processing mainly include straightening, rounding, cutting, threading, bending, and fabricating irregularly shaped pipe fittings. Pipe processing is applicable to the processing of materials such as steel pipes and cast iron pipes, and is commonly used in the prefabrication stage of pipeline engineering projects such as water supply and drainage systems and hydraulic systems.

[0003] Existing pipe end grooving equipment typically uses cold pressing, which can lead to poor grooving accuracy due to uneven plastic deformation of the material at room temperature, resulting in elliptical deformation and dimensional deviations. In equipment using hot processing, some lack integrated heating systems, relying on external preheating equipment, which leads to high energy consumption, poor temperature control accuracy, and the inability to achieve gradient softening of the material. These defects severely restrict processing accuracy, process adaptability, and energy efficiency. The problem addressed by this device is how to ensure stable forming dimensions through precise temperature control. Utility Model Content

[0004] To address the problems mentioned in the background art, this utility model provides a pipe end groove forming device, which solves the problem of how to accurately control the temperature to ensure stable forming dimensions.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a pipe end groove forming device, comprising a fixed box, a first pipe fixedly installed inside the fixed box, a servo motor fixedly installed at the bottom of the inner wall of the fixed box, a rotating rod fixedly installed on the servo motor via a transmission shaft at its output end, a propulsion gear fixedly installed on the surface of the rotating rod, a second pipe fixedly installed on the left side of the first pipe, an electric heating tube fixedly installed inside the second pipe, an inner tube fixedly installed on the inner side of the electric heating tube, a sealing plate movably installed on the right side of the second pipe, a first pressure rod fixedly installed on the left side of the inner wall of the fixed box, a first connecting plate fixedly installed at one end of the first pressure rod, a first accessory hole opened on the surface of the first connecting plate, a second fixing block fixedly installed at the bottom of the inner wall of the fixed box, a third pipe fixedly installed on the top of the second fixing block, a second pressure rod fixedly installed on the left side of the inner wall of the fixed box, a second connecting plate fixedly installed at one end of the second pressure rod, a second accessory hole opened on the surface of the second connecting plate, a semi-circular accessory movably installed inside the second accessory hole.

[0006] Preferably, a second cover plate is installed on the left side of the fixed box, and a third screw is screwed on the left side of the second cover plate, and the number of the third screws is four.

[0007] Preferably, a first cover plate is installed on the top of the fixed box, and a second screw is screwed onto the top of the first cover plate, and the second screw is screwed to the fixed box.

[0008] Preferably, a drawer is movably installed at the bottom of the fixed box, a handle is installed on the right side of the drawer, and first screws are screwed on both sides of the handle.

[0009] Preferably, a gasket is fixedly installed at the bottom of the inner wall of the fixed box, and the gasket is fixedly connected to the first pressure rod.

[0010] Preferably, a first fixing block is fixedly installed at the bottom of the inner wall of the fixed box, and the first fixing block is fixedly connected to the second pipe.

[0011] Preferably, a closing plate is movably installed on the left side of the first accessory hole, and a pointed accessory is movably installed inside the first accessory hole.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This pipe end groove forming device adopts a double-layer pipe heating structure, which can precisely control the temperature of the pipe end to ensure that the material reaches the optimal plastic state. The servo drive system controls the rotation and feeding of the pipe, and works in conjunction with the pressure rod to ensure that the forming parts can apply pressure evenly and accurately form various pipe end grooves. The modular part design supports quick tool change to meet diverse processing needs, significantly improving production efficiency and process adaptability. The system integrates the concepts of temperature control, mechanical transmission and pressure forming functions, and can achieve high-precision and high-consistency processing results. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a first internal sectional view of the fixing box of this utility model;

[0017] Figure 3 This is a second internal sectional view of the fixing box of this utility model;

[0018] Figure 4 This is the third internal sectional view of the fixing box of this utility model.

[0019] In the diagram: 1. Fixed box; 2. Drawer; 3. First screw; 4. Handle; 5. First pipe; 6. Second screw; 7. First cover plate; 8. Second cover plate; 9. First connecting plate; 10. Second pipe; 11. Push gear; 12. Rotating rod; 13. First fixing block; 14. First pressure rod; 15. Second fixing block; 16. Second pressure rod; 17. Third pipe; 18. Second connecting plate; 19. Gasket; 20. First accessory hole; 21. Closing plate; 22. Servo motor; 23. Pointed accessory; 24. Semi-circular accessory; 25. Sealing plate; 26. Heating element; 27. Inner tube. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-4 This utility model provides the following technical solution: a pipe end groove forming device, including a fixed box 1, a first pipe 5 fixedly installed inside the fixed box 1, a servo motor 22 fixedly installed at the bottom of the inner wall of the fixed box 1, a rotating rod 12 fixedly installed on the servo motor 22 through a transmission shaft at its output end, a push gear 11 fixedly installed on the surface of the rotating rod 12, a second pipe 10 fixedly installed on the left side of the first pipe 5, an electric heating tube 26 fixedly installed inside the second pipe 10, an inner tube 27 fixedly installed on the inner side of the electric heating tube 26, and a sealing plate movably installed on the right side of the second pipe 10. 25. A first pressure rod 14 is fixedly installed on the left side of the inner wall of the fixed box 1. A first connecting plate 9 is fixedly installed on one end of the first pressure rod 14. A first accessory hole 20 is opened on the surface of the first connecting plate 9. A second fixing block 15 is fixedly installed on the bottom of the inner wall of the fixed box 1. A third pipe 17 is fixedly installed on the top of the second fixing block 15. A second pressure rod 16 is fixedly installed on the left side of the inner wall of the fixed box 1. A second connecting plate 18 is fixedly installed on one end of the second pressure rod 16. A second accessory hole is opened on the surface of the second connecting plate 18. A semi-circular accessory 24 is movably installed inside the second accessory hole.

[0022] Working principle: A second cover plate 8 is installed on the left side of the fixed box 1, and a third screw is screwed on the left side of the second cover plate 8. A first cover plate 7 is installed on the top of the fixed box 1, and a second screw 6 is installed on the top of the first cover plate 7. Through the screw connection structure (third screw and second screw 6) between the second cover plate 8 and the first cover plate 7 and the fixed box 1, the triple advantages of quick disassembly and maintenance, effective dust prevention and sealing, and structural stability are achieved. A drawer 2 is installed at the bottom of the fixed box 1, and a handle 4 is installed on the right side of the drawer 2. First screws 3 are screwed on both sides of the handle 4. The handle 4 and the screws 3 on both sides are fixed, which facilitates quick access to and replacement of parts, and can improve the efficiency of parts replacement. To improve part replacement efficiency, a first pipe 5 is installed inside the fixed box 1. A servo motor 22 is fixedly installed at the bottom of the inner wall of the fixed box 1. A rotating rod 12 is installed on the output end of the servo motor 22 via a drive shaft. A push gear 11 is installed on the surface of the rotating rod 12. The servo motor 22 drives the gear 11 to push the workpiece inside the pipe 5, which can significantly improve processing accuracy and efficiency. A second pipe 10 is installed on the left side of the first pipe 5. An electric heating tube 26 is fixedly installed inside the second pipe 10. An inner layer tube 27 is fixedly installed inside the electric heating tube 26. A sealing plate 25 is installed on the right side of the second pipe 10. Through the electric heating tube 26 and the inner layer tube 27, a sealing plate 25 is installed. The combined design of pipe 27 enables uniform heating of the workpiece inside the second pipe 10. Simultaneously, in conjunction with the right-side sealing plate 25, it effectively maintains stable internal pipe temperature. A first fixing block 13 is fixedly installed at the bottom of the inner wall of the fixing box 1. A first pressure rod 14 is fixedly installed on the left side of the inner wall of the fixing box 1. A first connecting plate 9 is fixedly installed at one end of the first pressure rod 14. A first fitting hole 20 is formed on the surface of the first connecting plate 9. A closing plate 21 is movably installed on the left side of the first fitting hole 20. A pointed fitting 23 is movably installed inside the first fitting hole 20. The fitting 23 can be replaced by driving the pressure rod 14, thereby achieving… The device features multi-functional processing. The combination of the first accessory hole 20 and the movable closing plate 21 facilitates quick replacement of accessories of different shapes, effectively ensuring processing accuracy and improving mold-changing efficiency. A second fixing block 15 is fixedly installed at the bottom of the inner wall of the fixed box 1, and a third pipe 17 is fixedly installed at the top of the second fixing block 15. A second pressure rod 16 is fixedly installed on the left side of the inner wall of the fixed box 1, and a second connecting plate 18 is fixedly installed at one end of the second pressure rod 16. A semi-circular accessory 24 is movably installed inside the second connecting plate 18. The adjustable semi-circular accessory 24 is driven by the second pressure rod 16 to achieve precise pipe end forming processing. The modular design of the connecting plate 18 facilitates accessory replacement, ensures stable processing quality, and improves equipment applicability. A third connecting block 19 is fixedly installed at the bottom of the inner wall of the fixed box 1, and the third connecting block 19 is fixedly connected to the first pressure rod 14. The rigid connection design between the third connecting block 19 and the first pressure rod 14 effectively improves the stability of pressure transmission and structural strength. All electrical equipment in this device is powered by an external power source.

[0023] In one aspect of this embodiment, a second cover plate 8 is installed on the left side of the fixed box 1, and four third screws are screwed on the left side of the second cover plate 8. A first cover plate 7 is installed on the top of the fixed box 1, and a second screw 6 is screwed on the top of the first cover plate 7. This device, through its modular design (detachable cover plate + second screw 6 / third screw connection), can achieve structural stability and anti-loosening, making it easier to maintain internal components. At the same time, it effectively seals and prevents dust to protect core components, thereby significantly improving stability and service life.

[0024] In one aspect of this embodiment, a drawer 2 is movably installed at the bottom of the fixed box 1, and a handle 4 is installed on the right side of the drawer 2. First screws 3 are screwed on both sides of the handle 4. The handle 4 is fixed by the screws 3 on both sides, which can effectively ensure the stability of the drawer and prevent it from falling off. A gasket 19 is fixedly installed at the bottom of the inner wall of the fixed box 1. The gasket 19 is fixedly connected to the first pressure rod 14. The gasket 19 serves as a support base for the pressure rod 14, which can enhance the structural rigidity. At the same time, the fixed connection can effectively disperse vibration stress, thereby preventing the pressure rod from shifting or loosening.

[0025] In one aspect of this embodiment, the first fixing block 13 rigidly connects the second pipe 10 to the bottom of the fixing box 1, which can suppress pipe vibration, thereby ensuring the pipe is accurately positioned during high-pressure forming and improving the consistency of groove processing. A closing plate 21 is movably installed on the left side of the first accessory hole 20, and a pointed accessory 23 is movably installed inside the first accessory hole 20. The closing plate 21 can be flexibly opened and closed, which facilitates quick replacement or maintenance of different accessories.

[0026] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A pipe end groove forming apparatus comprising a stationary box (1), characterized in that: A first pipe (5) is fixedly installed inside the fixed box (1). A servo motor (22) is fixedly installed at the bottom of the inner wall of the fixed box (1). A rotating rod (12) is fixedly installed on the output end of the servo motor (22) via a transmission shaft. A propulsion gear (11) is fixedly installed on the surface of the rotating rod (12). A second pipe (10) is fixedly installed on the left side of the first pipe (5). An electric heating tube (26) is fixedly installed inside the second pipe (10). An inner tube (27) is fixedly installed on the inner side of the electric heating tube (26). A sealing plate (25) is movably installed on the right side of the second pipe (10). The left side of the inner wall of the fixed box (1) is fixedly... A first pressure rod (14) is installed, and a first connecting plate (9) is fixedly installed at one end of the first pressure rod (14). A first accessory hole (20) is opened on the surface of the first connecting plate (9). A second fixing block (15) is fixedly installed at the bottom of the inner wall of the fixed box (1). A third pipe (17) is fixedly installed at the top of the second fixing block (15). A second pressure rod (16) is fixedly installed on the left side of the inner wall of the fixed box (1). A second connecting plate (18) is fixedly installed at one end of the second pressure rod (16). A second accessory hole is opened on the surface of the second connecting plate (18). A semi-circular accessory (24) is movably installed inside the second accessory hole.

2. A pipe end groove forming apparatus according to claim 1, wherein: A second cover plate (8) is installed on the left side of the fixed box (1), and a third screw is screwed on the left side of the second cover plate (8), and the number of the third screw is four.

3. A pipe end groove forming apparatus according to claim 1, wherein: The top of the fixed box (1) is equipped with a first cover plate (7), and a second screw (6) is screwed on the top of the first cover plate (7), and the second screw (6) is screwed to the fixed box (1).

4. A pipe end groove forming apparatus according to claim 1, wherein: A drawer (2) is movably installed at the bottom of the fixed box (1), and a handle (4) is installed on the right side of the drawer (2). First screws (3) are screwed on both sides of the handle (4).

5. A pipe end groove forming apparatus according to claim 1, wherein: A gasket (19) is fixedly installed at the bottom of the inner wall of the fixed box (1), and the gasket (19) is fixedly connected to the first pressure rod (14).

6. A pipe end groove forming apparatus according to claim 1, wherein: The bottom of the inner wall of the fixed box (1) is fixedly installed with a first fixing block (13), and the first fixing block (13) is fixedly connected to the second pipe (10).

7. A pipe end groove forming apparatus according to claim 1, wherein: A closing plate (21) is movably installed on the left side of the first accessory hole (20), and a pointed accessory (23) is movably installed inside the first accessory hole (20).