A hydraulic square mouth forming device for round pipe machining
By designing a hydraulic square-end forming device suitable for round tube processing, the problem of inconvenience in processing long round tubes by existing devices has been solved, and stable flaring processing of round tubes of different lengths has been achieved, improving the practicality of the device and the processing quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DALIAN AIBIKE AIR CONDITIONER FITTINGS CO LTD
- Filing Date
- 2025-06-18
- Publication Date
- 2026-06-05
AI Technical Summary
Existing copper tube processing equipment is not suitable for processing long round tubes, and it is easy to cause damage to the round tubes far from the processing end.
A hydraulic square-end forming device is designed, comprising a worktable, a preliminary processing component, a limiting component, and a forming component. The preliminary processing component fixes the end of the round tube, and the limiting component and the forming component are used to flare the end of the tube. It is suitable for round tubes of different lengths.
This improves the practicality of the device, making it suitable for processing round tubes of different lengths, avoiding damage to the round tubes far from the processing end, and ensuring processing quality and stability.
Smart Images

Figure CN224322229U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of round tube processing, and in particular to a hydraulic square-mouth forming device for round tube processing. Background Technology
[0002] A hydraulic square-end forming device for copper tube processing is an auxiliary device used to extrude the diameter of a round copper tube into a square end through a square die. It has been widely used in the field of machining. Existing technology announcement number CN212760742U discloses a hydraulic square-end forming device for copper tube processing, including an operating table, a placement platform on the operating table, a hydraulic cylinder on the operating table, a piston rod at the output end of the hydraulic cylinder, a square die mounted at the end of the piston rod opposite the positioning groove, a flattening cylinder at the top of the operating table, and a flattening vertical plate at the bottom output end of the flattening cylinder; it also includes a feeding trough, a stepper motor, a feeding cylinder, a feeding push rod, a push block, and a baffle. The feeding trough is fixedly installed at the top of the operating table and located on the left side of the placement platform. A feeding turntable is rotatably installed inside the feeding trough. Multiple sets of feeding grooves are evenly arranged at equal angles on the outer side of the feeding turntable. A positioning hole is provided on the placement platform, and an upper mounting groove and a lower mounting groove are respectively provided on the inner top wall and inner bottom wall of the positioning hole. However, it is not convenient for processing long round tubes and is prone to damage to the end of the tube that is far from the processing end. Utility Model Content
[0003] To solve the above-mentioned technical problems, this utility model provides a hydraulic square-end forming device for processing round tubes of different lengths, which is suitable for flaring the tube ends and improves the practicality of the processing.
[0004] This utility model discloses a hydraulic square-end forming device for processing round tubes, comprising a worktable, a preliminary treatment component, a limiting component, and a forming component. The preliminary treatment component is installed on the top of the worktable, the limiting component is installed on the right side of the top of the worktable, and the forming component is located on the right side of the worktable. The preliminary treatment component performs preliminary treatment and fixation on the end of the round tube, and the limiting component and the forming component perform flaring processing on the end of the tube. It is suitable for processing round tubes of different lengths and improves practicality.
[0005] Preferably, the preliminary processing assembly includes a processing table, two first hydraulic cylinders, two preliminary processing fixtures, and a clamping component. The processing table is installed on the top of the workbench, and the first hydraulic cylinders are installed at both ends of the processing table. The preliminary processing fixtures are installed at the telescopic ends of the first hydraulic cylinders. The end of the round pipe is placed between the two preliminary processing fixtures in the middle of the processing table, and the first hydraulic cylinders are activated to push the preliminary processing fixtures to move, thereby processing a boss on the pipe end.
[0006] Preferably, the clamping component includes two second hydraulic cylinders, two arc-shaped clamping plates, and two extension plates. Extension plates are installed at both ends of the left side wall of the processing table, and second hydraulic cylinders are installed on the extension plates. Arc-shaped clamping plates are installed at the telescopic ends of the second hydraulic cylinders. When processing the tube end, the second hydraulic cylinders are activated to push the arc-shaped clamping plates to contact the round tube, clamping and fixing the round tube to prevent it from moving during square forming and to ensure processing quality.
[0007] Preferably, the forming component includes a rectangular plate, a fixed plate, a fifth hydraulic cylinder, a movable plate, and a flaring square mold. The rectangular plate is connected to the middle of the right side wall of the worktable, the fixed plate is installed on the top of the rectangular plate, the fifth hydraulic cylinder is installed on the fixed plate, the movable plate is installed on the telescopic end of the fixed plate, and the flaring square mold is installed on the left end of the movable plate. The fifth hydraulic cylinder is activated to push the movable plate to move on the top of the rectangular plate, thereby pushing the flaring square mold to move towards the round tube to flare and form the round tube.
[0008] Preferably, the limiting assembly includes a forming table, two third hydraulic cylinders, two shaping clamps, a mounting frame, two sets of fourth hydraulic cylinders, a pressing plate, and two guide rods. The forming table is installed on the top right side of the worktable. The third hydraulic cylinders are installed at the front and rear ends of the upper part of the forming table. The shaping clamps are installed at the telescopic ends of the third hydraulic cylinders. The mounting frame is installed on the top of the forming table. The fourth hydraulic cylinders are installed on the top of the mounting frame. The pressing plate is installed at the bottom of the fourth hydraulic cylinders. Guide rods are symmetrically installed on the top of the pressing plate. The guide rods are slidably installed on the mounting frame. When the flaring die flares the tube end, the third and fourth hydraulic cylinders are activated to push the shaping clamps and the pressing plate to move, pressing the outer diameter of the tube end and controlling the outer diameter of the tube end.
[0009] Preferably, the assembly also includes a support frame, a limiting slider, a limiting slide rod, and a positioning plate. A limiting groove is formed at the top of the rectangular plate, and the limiting slider is slidably installed within the limiting groove. The top of the limiting slider is connected to the bottom of the movable plate. Limiting slide rods are symmetrically installed on the front and back of the right side wall of the movable plate, and the limiting slide rods are slidably installed on the fixed plate. The bottom of the fifth hydraulic cylinder is connected to the top of the support frame, and the bottom of the support frame is installed at the top of the rectangular plate. The positioning plate is installed on the left side of the top of the rectangular plate, and the flared square mold is slidably installed on the positioning plate. When the movable plate moves, it drives the limiting slider to slide within the limiting groove, and simultaneously drives the limiting slide rod to slide on the fixed plate, thus limiting and guiding the movable plate, increasing connection strength, and ensuring stability. The support frame supports the fifth hydraulic cylinder, ensuring installation strength, and the positioning plate supports and limits the flared square mold, ensuring processing quality.
[0010] Preferably, it also includes a support roller and multiple feet. The support roller is rotatably mounted on the top left end of the worktable, and the feet are installed on the bottom of the worktable and the bottom of the rectangular plate. The feet support the bottom of the equipment to ensure stability during use, and the support roller can guide the round tube.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: the end of the round tube is pre-treated and fixed by the preliminary treatment component, and the tube end is flared by the limiting component and the forming component, which is suitable for processing round tubes of different lengths and improves practicality. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of this utility model;
[0013] Figure 2 This is a schematic diagram of the isometric structure of this utility model;
[0014] Figure 3 This is a schematic diagram of the left cross-sectional structure of this utility model;
[0015] Figure 4 This is a schematic diagram of the right-side cross-sectional structure of this utility model;
[0016] The following labels are used in the attached diagram: 1. Workbench; 2. Machining table; 3. First hydraulic cylinder; 4. Pre-machining fixture; 5. Second hydraulic cylinder; 6. Arc-shaped clamping plate; 7. Extension plate; 8. Forming table; 9. Third hydraulic cylinder; 10. Shaping clamping plate; 11. Mounting frame; 12. Fourth hydraulic cylinder; 13. Pressing plate; 14. Guide rod; 15. Rectangular plate; 16. Fixing plate; 17. Support frame; 18. Fifth hydraulic cylinder; 19. Moving plate; 20. Limiting slider; 21. Limiting slide rod; 22. Flared square mold; 23. Positioning plate; 24. Support roller; 25. Support leg. Detailed Implementation
[0017] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.
[0018] like Figures 1 to 4As shown, the processing table 2 is installed at the top of the workbench 1. First hydraulic cylinders 3 are installed at both the front and rear ends of the processing table 2. Preliminary processing fixtures 4 are installed at the telescopic ends of the first hydraulic cylinders 3. Extension plates 7 are installed at both the front and rear ends of the left side wall of the processing table 2. Second hydraulic cylinders 5 are installed on the extension plates 7. Arc-shaped clamping plates 6 are installed at the telescopic ends of the second hydraulic cylinders 5. A rectangular plate 15 is connected to the middle of the right side wall of the workbench 1. A fixed plate 16 is installed on the top of the rectangular plate 15. A fifth hydraulic cylinder 18 is installed on the fixed plate 16. A moving plate 19 is installed at the telescopic end of the fixed plate 16. A flared square mold 22 is installed at the left end of the moving plate 19. The top of the rectangular plate 15... A limiting groove is provided at the end, and the limiting slider 20 is slidably installed in the limiting groove. The top of the limiting slider 20 is connected to the bottom of the moving plate 19. Limiting rods 21 are symmetrically installed on the front and back of the right side wall of the moving plate 19. The limiting rods 21 are slidably installed on the fixed plate 16. The bottom of the fifth hydraulic cylinder 18 is connected to the top of the support frame 17. The bottom of the support frame 17 is installed on the top of the rectangular plate 15. The positioning plate 23 is installed on the left side of the top of the rectangular plate 15. The flared square mold 22 is slidably installed on the positioning plate 23. The support roller 24 is rotatably installed on the left side of the top of the worktable 1. The bottom of the worktable 1 and the bottom of the rectangular plate 15 are equipped with support feet 25.
[0019] The bottom of the equipment is supported by support legs 25 to ensure stability during use. The round tube is guided by support rollers 24. The end of the round tube is placed between the two preliminary processing fixtures 4 in the middle of the processing table 2. The first hydraulic cylinder 3 is activated to push the preliminary processing fixtures 4 to move and process the boss on the tube end. When processing the tube end, the second hydraulic cylinder 5 is activated to push the arc-shaped clamping plate 6 to contact the round tube and clamp and fix the round tube to prevent it from moving during square forming and to ensure processing quality. The fifth hydraulic cylinder 18 is activated to push the moving plate 19 to move on the top of the rectangular plate 15, thereby pushing the flaring square mold 22 towards the round tube to flare the round tube. During the forming process, when the flaring mold 22 flares the pipe end, the third hydraulic cylinder 9 and the fourth hydraulic cylinder 12 are activated to push the shaping clamping plate 10 and the pressing plate 13 to move, pressing the outer diameter of the pipe end and controlling the outer diameter of the pipe end. When the moving plate 19 moves, it drives the limiting slider 20 to slide in the limiting slide groove, and at the same time drives the limiting slide rod 21 to slide on the fixed plate 16, limiting and guiding the moving plate 19, increasing the connection strength and ensuring stability. The fifth hydraulic cylinder 18 can be supported by the support frame 17 to ensure the installation strength. The flaring mold 22 can be supported and limited by the positioning plate 23 to ensure the processing quality.
[0020] like Figures 1 to 4As shown, this utility model discloses a hydraulic square-end forming device for processing round tubes. During operation, the bottom of the device is supported by support legs 25, and the round tube is guided by support rollers 24. The end of the round tube is placed between two preliminary processing fixtures 4 in the middle of the processing table 2. The first hydraulic cylinder 3 is activated to move the preliminary processing fixtures 4, processing a boss on the tube end. During tube end processing, the second hydraulic cylinder 5 is activated to push the arc-shaped clamping plate 6 into contact with the round tube, clamping and fixing the tube to prevent movement during square end forming. The fifth hydraulic cylinder 18 is activated to push the moving plate 19 to move on top of the rectangular plate 15, thereby pushing the expansion... The square mold 22 moves toward the round tube to flare the tube. When the flaring mold 22 flares the tube end, the third hydraulic cylinder 9 and the fourth hydraulic cylinder 12 are activated to push the shaping clamping plate 10 and the pressing plate 13 to move and press the outer diameter of the tube end. The outer diameter of the tube end is controlled. The fifth hydraulic cylinder 18 can be supported by the support frame 17 to ensure the installation strength. The positioning plate 23 can support and limit the flaring mold 22. When the moving plate 19 moves, it drives the limiting slider 20 to slide in the limiting slide groove, and at the same time drives the limiting slide rod 21 to slide on the fixed plate 16 to limit and guide the moving plate 19.
[0021] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. A hydraulic square-end forming device for processing round tubes, characterized in that, It includes a worktable (1), a preliminary processing component, a limiting component and a forming component. The preliminary processing component is installed on the top of the worktable (1), the limiting component is installed on the right side of the top of the worktable (1), and the forming component is on the right side of the worktable (1).
2. The hydraulic square-end forming device for processing round tubes as described in claim 1, characterized in that, The preliminary processing components include a processing table (2), two first hydraulic cylinders (3), two preliminary processing fixtures (4) and clamping components. The processing table (2) is installed on the top of the workbench (1). The first hydraulic cylinders (3) are installed at the front and rear ends of the processing table (2). The preliminary processing fixtures (4) are installed at the telescopic ends of the first hydraulic cylinders (3).
3. The hydraulic square-end forming device for processing round tubes as described in claim 2, characterized in that, The clamping components include two second hydraulic cylinders (5), two arc-shaped clamping plates (6) and two extension plates (7). Extension plates (7) are installed at the front and rear ends of the left side wall of the processing table (2). The second hydraulic cylinders (5) are installed on the extension plates (7). The arc-shaped clamping plates (6) are installed at the telescopic ends of the second hydraulic cylinders (5).
4. The hydraulic square-end forming device for processing round tubes as described in claim 1, characterized in that, The forming components include a rectangular plate (15), a fixed plate (16), a fifth hydraulic cylinder (18), a movable plate (19), and a flared square mold (22). The rectangular plate (15) is connected to the middle of the right side wall of the workbench (1). The fixed plate (16) is installed on the top of the rectangular plate (15). The fifth hydraulic cylinder (18) is installed on the fixed plate (16). The movable plate (19) is installed on the telescopic end of the fixed plate (16). The flared square mold (22) is installed on the left end of the movable plate (19).
5. The hydraulic square-end forming device for processing round tubes as described in claim 4, characterized in that, The limiting assembly includes a forming table (8), two third hydraulic cylinders (9), two shaping clamps (10), a mounting frame (11), two sets of fourth hydraulic cylinders (12), a pressing plate (13), and two guide rods (14). The forming table (8) is installed on the right side of the top of the workbench (1). The third hydraulic cylinders (9) are installed at the front and rear ends of the upper part of the forming table (8). The shaping clamps (10) are installed at the telescopic ends of the third hydraulic cylinders (9). The mounting frame (11) is installed on the top of the forming table (8). The fourth hydraulic cylinders (12) are installed on the top of the mounting frame (11). The pressing plate (13) is installed at the bottom of the fourth hydraulic cylinders (12). The guide rods (14) are symmetrically installed on the top of the pressing plate (13). The guide rods (14) are slidably installed on the mounting frame (11).
6. The hydraulic square-end forming device for processing round tubes as described in claim 4, characterized in that, It also includes a support frame (17), a limiting slider (20), a limiting slide rod (21), and a positioning plate (23). A limiting slide groove is opened at the top of the rectangular plate (15). The limiting slider (20) is slidably installed in the limiting slide groove. The top of the limiting slider (20) is connected to the bottom of the moving plate (19). The limiting slide rod (21) is symmetrically installed on the front and back of the right side wall of the moving plate (19). The limiting slide rod (21) is slidably installed on the fixed plate (16). The bottom of the fifth hydraulic cylinder (18) is connected to the top of the support frame (17). The bottom of the support frame (17) is installed at the top of the rectangular plate (15). The positioning plate (23) is installed on the left side of the top of the rectangular plate (15). The flared square mold (22) is slidably installed on the positioning plate (23).
7. The hydraulic square-end forming device for processing round tubes as described in claim 4, characterized in that, It also includes a support roller (24) and multiple feet (25). The support roller (24) is rotatably mounted on the top left end of 01, and feet (25) are mounted on the bottom of the worktable (1) and the bottom of the rectangular plate (15).