Molding device for winding finned tube by using chain transmission type elliptical tube

By designing a molding device for winding finned tubes with chain-driven elliptical tubes, the problem that existing equipment cannot produce elliptical tube fins is solved, efficient winding and positioning of finned tubes is achieved, and the performance and safety of the equipment are improved.

CN222817700UActive Publication Date: 2025-05-02陈树宏
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Patent Information

Application Number
CN202421797788.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-29
Publication Date
2025-05-02
Estimated Expiration
2034-07-29

AI Technical Summary

Technical Problem

Existing circular tube fin production equipment cannot produce elliptical tube fins, resulting in low heat exchange efficiency, insufficient strength and safety hazards in high pressure or high temperature environments.

Method used

A chain-driven elliptical tube winding finned tube is designed, including a bracket, a drive mechanism, a chain winding assembly and a steel belt guide mechanism. Through the transmission connection of the steel pipe follower mechanism, the steel belt follower mechanism and the steel pipe rotation follower mechanism, the rotating movement of the steel belt and the positioning and winding of the steel pipe are realized.

Benefits of technology

This device can effectively wrap the steel strip onto the steel pipe and position the steel pipe, solving the motion tracking problem of elliptical tube fin production equipment, improving the heat exchange efficiency and strength of the fin tube, and reducing safety hazards in high pressure or high temperature environments.

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Abstract

The utility model belongs to the technical field of finned tube processing, and particularly relates to a chain transmission type forming device for winding a finned tube by an elliptical tube, which comprises a support, a driving mechanism arranged on the bottom surface of the support, a chain winding component and a steel belt guiding mechanism arranged on the top surface of the support, and a driving mechanism in transmission connection with the chain winding component. The steel belt guiding mechanism is located above the chain winding assembly. The chain winding assembly comprises a steel pipe following mechanism, a steel belt following mechanism and a steel pipe rotating following mechanism which are arranged on the top face of the support, the steel pipe following mechanism and the steel belt following mechanism are located on the two opposite sides of the steel pipe rotating following mechanism correspondingly, and the driving mechanism is in transmission connection with the steel pipe following mechanism. The steel pipe following mechanism is in transmission connection with the steel belt following mechanism and the steel pipe rotating following mechanism. When the steel belt winding device is used, the steel pipe following mechanism, the steel belt following mechanism and the steel pipe rotating following mechanism are in transmission connection, so that a steel belt can move along with rotation of the steel pipe, and the steel belt is wound on the steel pipe.
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Description

Technical Field

[0001] The utility model belongs to the technical field of fin tube processing, and particularly relates to a chain-driven elliptical tube winding fin tube forming device. Background Art

[0002] Conventional finned tubes are formed by winding a round tube as a base tube. Compared with the elliptical finned tube, the heat exchange efficiency of the round finned tube is lower, which will affect the overall performance of the equipment. At the same time, the circular cross-section of the round finned tube makes its strength relatively low when it withstands airflow or fluid pressure, which poses certain safety hazards in some high-pressure or high-temperature environments.

[0003] In the existing round tube fin production equipment, the steel belt mechanism and the steel pipe mechanism are fixed, and the steel pipe is rotated to wrap the steel belt around the steel pipe, while the elliptical tube steel pipe mechanism and the steel belt mechanism of the elliptical tube fin production equipment need to move with the rotation of the steel pipe. The existing round tube fin production equipment cannot produce elliptical tube fins. Therefore, there is an urgent need for a chain-driven elliptical tube winding fin tube forming device. Utility Model Content

[0004] The utility model aims to provide a chain-driven elliptical tube winding fin tube forming device to solve the above problems.

[0005] To achieve the above purpose, the utility model provides the following solutions:

[0006] A chain-driven elliptical tube winding fin tube forming device, comprising a driving mechanism disposed on the bottom surface of a bracket, a chain winding assembly and a steel belt guide mechanism disposed on the top surface of the bracket, the driving mechanism being transmission-connected to the chain winding assembly, and the steel belt guide mechanism being located above the chain winding assembly;

[0007] The chain winding assembly includes a steel pipe following mechanism, a steel belt following mechanism and a steel pipe rotation following mechanism arranged on the top surface of the bracket. The steel pipe following mechanism and the steel belt following mechanism are respectively located on two opposite sides of the steel pipe rotation following mechanism. The driving mechanism is transmission connected to the steel pipe following mechanism, and the steel pipe following mechanism is transmission connected to the steel belt following mechanism and the steel pipe rotation following mechanism.

[0008] Preferably, the driving mechanism includes a motor support fixedly connected to the bracket, the side wall of the motor support is fixedly connected to a power motor, the output shaft of the power motor passes through the motor support and is coaxially fixed with a driving sprocket, the driving sprocket is meshed with a first chain, and the first chain is transmission-connected to the steel pipe following mechanism.

[0009] Preferably, the steel pipe following mechanism includes two second fixing seats fixedly connected to the top surface of the inner part of the bracket, the side walls of the second fixing seats are fixedly connected to the second pad bearings, a second transmission shaft is rotatably connected between the two second pad bearings, the second transmission shaft is coaxially fixed with a driven sprocket and a steel pipe following mechanism sprocket, the driven sprocket is meshed with the first chain, the steel pipe following mechanism sprocket is meshed with a second chain, the second chain is transmission-connected to the steel belt following mechanism and the steel pipe rotation following mechanism, one end of the second transmission shaft passes through the second fixing seat and is fixedly connected with a second cam, a second slide groove is provided on the top surface of the bracket, a second cam limiting bearing support is slidably connected in the second slide groove, a second groove is provided on the bottom surface of the second cam limiting bearing support, the second cam is located in the second groove, and the second cam limiting bearings are rotatably connected on the opposite sides of the second groove, the two second cam limiting bearings are located on the opposite sides of the second cam and are symmetrically arranged, and the top end of the second cam limiting bearing support passes through the second slide groove and is fixedly connected with the steel pipe following part.

[0010] Preferably, the steel pipe following part includes a steel pipe following support fixedly connected to the top of the second cam limit bearing support, and the bottom surface of the steel pipe following support is fixedly connected to two steel pipe following mechanism slide rails, and the two steel pipe following mechanism slide rails are respectively located on the opposite sides of the steel pipe following support, and the steel pipe following mechanism slide rails are slidably connected to the top surface of the bracket.

[0011] Preferably, the steel belt following mechanism includes two first fixed seats fixedly connected to the top surface of the inner part of the bracket, the side walls of the first fixed seats are fixedly connected to the first pad bearings, a first transmission shaft is rotatably connected between the two first pad bearings, the first transmission shaft is coaxially fixed with a steel belt following mechanism sprocket, the steel belt following mechanism sprocket is meshed with the second chain, one end of the first transmission shaft passes through the first fixed seat and is fixedly connected to the first cam, the top surface of the bracket is provided with a first slide groove, a first cam limit bearing support is slidably connected in the first slide groove, a first groove is provided on the bottom surface of the first cam limit bearing support, the first cam is located in the first groove, and the first cam limit bearings are rotatably connected on both sides of the first groove, the two first cam limit bearings are located on both sides of the first cam and are symmetrically arranged, and the top end of the first cam limit bearing support passes through the first slide groove and is fixedly connected to the steel belt following part.

[0012] Preferably, the steel belt following part includes a steel belt following mechanism slide rail fixedly connected to the top end of the first cam limit bearing support, the steel belt following mechanism slide rail is slidably connected to the top surface of the bracket, the top surface of the steel belt following mechanism slide rail is slidably connected to the extrusion wheel support slide rail, the top surface of the extrusion wheel support slide rail is fixedly connected to the extrusion wheel support, the extrusion wheel support is fixedly connected with an extrusion wheel adjustment cylinder, the telescopic end of the extrusion wheel adjustment cylinder passes through the extrusion wheel support and is fixedly connected to the steel belt extrusion wheel, and the steel belt extrusion wheel is located below the steel belt guiding mechanism.

[0013] Preferably, the steel pipe rotation following mechanism includes a mounting seat fixedly connected to the top surface of the bracket, one side of the mounting seat is rotatably connected to a steel pipe rotation following mechanism sprocket, the steel pipe rotation following mechanism sprocket is meshed with the second chain, one side of the mounting seat is rotatably connected to a rotating disk, the rotating disk is coaxially fixed to the steel pipe rotation following mechanism sprocket, and the rotating disk is coaxially provided with an elliptical through groove.

[0014] Preferably, the tooth number ratio between the steel pipe rotation following mechanism sprocket and the driven sprocket is 2:1.

[0015] Compared with the prior art, the utility model has the following advantages and technical effects:

[0016] Compared with traditional round tube fin equipment, the utility model can drive the steel tube to rotate by setting up a steel tube rotation following mechanism. Through the transmission connection of the steel tube following mechanism, the steel belt following mechanism and the steel tube rotation following mechanism, the steel belt can move following the rotation of the steel tube, and the steel belt can be wound around the steel tube to position the steel tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor:

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the utility model from another angle;

[0020] Figure 3 for Figure 2 A partial enlarged view of the middle A;

[0021] Figure 4 for Figure 2 A partial enlarged view of point B in the middle;

[0022] Figure 5 It is a structural schematic diagram of the steel belt following part;

[0023] Figure 6 It is a structural schematic diagram of the steel pipe following part.

[0024] Among them, 1. steel belt guiding mechanism; 2. steel pipe following mechanism; 3. power motor; 4. turntable; 5. steel belt extrusion wheel; 6. extrusion wheel adjustment cylinder; 7. steel belt following mechanism; 8. steel pipe rotation following mechanism sprocket; 9. first pad bearing; 10. first transmission shaft; 11. steel belt following mechanism sprocket; 12. first cam limit bearing support; 13. first cam limit bearing; 14. first cam; 15. driving sprocket; 16. second transmission shaft; 17. driven sprocket; 18. steel pipe following mechanism sprocket; 19. second pad bearing; 20. second cam; 21. second cam limit bearing; 22. second cam limit bearing support; 23. extrusion wheel support; 24. extrusion wheel support slide rail; 25. steel belt following mechanism slide rail; 26. steel pipe following support; 27. steel pipe following mechanism slide rail; 28. bracket; ; 30. second fixed seat; 31. first fixed seat. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0027] Reference Figures 1 to 6 As shown, the utility model provides a chain-driven elliptical tube winding fin tube forming device, comprising a bottom surface of a bracket 28 provided with a driving mechanism, a top surface of the bracket 28 provided with a chain winding assembly and a steel belt guide mechanism 1, the driving mechanism is transmission-connected to the chain winding assembly, and the steel belt guide mechanism 1 is located above the chain winding assembly;

[0028] The chain winding assembly includes a steel pipe following mechanism 2, a steel belt following mechanism 7 and a steel pipe rotation following mechanism arranged on the top surface of the bracket 28. The steel pipe following mechanism 2 and the steel belt following mechanism 7 are respectively located on the opposite sides of the steel pipe rotation following mechanism. The driving mechanism is transmission-connected to the steel pipe following mechanism 2, and the steel pipe following mechanism 2 is transmission-connected to the steel belt following mechanism 7 and the steel pipe rotation following mechanism.

[0029] Compared with traditional round tube fin equipment, the utility model can drive the steel tube to rotate by setting up a steel tube rotation following mechanism. Through the transmission connection of the steel tube following mechanism, the steel belt following mechanism and the steel tube rotation following mechanism, the steel belt can move following the rotation of the steel tube, and the steel belt can be wound around the steel tube to position the steel tube.

[0030] The utility model performs a welding process (not shown) while winding the steel strip onto the steel pipe. The welding process is a prior art and will not be described in detail herein.

[0031] The chain drive of the utility model can be a conveyor belt drive, and the effect achieved is the same.

[0032] A further optimized solution is that the driving mechanism includes a motor support fixedly connected to the bracket 28, the side wall of the motor support is fixedly connected to the power motor 3, the output shaft of the power motor 3 passes through the motor support and is coaxially fixed with a driving sprocket 15, the driving sprocket 15 is meshed with a first chain, and the first chain is transmission-connected to the steel pipe following mechanism 2.

[0033] Further optimization scheme, the steel pipe following mechanism 2 includes two second fixed seats 30 fixedly connected to the inner top surface of the bracket 28, the side wall of the second fixed seat 30 is fixedly connected with the second pad bearing 19, the second transmission shaft 16 is rotatably connected between the two second pad bearings 19, the second transmission shaft 16 is coaxially fixed with a driven sprocket 17 and a steel pipe following mechanism sprocket 18, the driven sprocket 17 is meshed with the first chain, the steel pipe following mechanism sprocket 18 is meshed with the second chain, the second chain is transmission-connected with the steel belt following mechanism 7 and the steel pipe rotation following mechanism, and one side of the second transmission shaft 16 is connected with the steel belt following mechanism 7 and the steel pipe rotation following mechanism. The end passes through the second fixed seat 30 and is fixedly connected with the second cam 20. A second slide groove is provided on the top surface of the bracket 28. A second cam limit bearing support 22 is slidably connected in the second slide groove. A second groove is provided on the bottom surface of the second cam limit bearing support 22. The second cam 20 is located in the second groove. The second cam limit bearings 21 are rotatably connected on both sides of the second groove. The two second cam limit bearings 21 are located on the opposite sides of the second cam 20 and are symmetrically arranged. The top end of the second cam limit bearing support 22 passes through the second slide groove and is fixedly connected with a steel pipe follower.

[0034] A further optimized solution includes that the steel pipe following part includes a steel pipe following support 26 fixedly connected to the top of the second cam limit bearing support 22, and the bottom surface of the steel pipe following support 26 is fixedly connected to two steel pipe following mechanism slide rails 27, and the two steel pipe following mechanism slide rails 27 are respectively located on the opposite sides of the steel pipe following support 26, and the steel pipe following mechanism slide rails 27 are slidably connected to the top surface of the bracket 28.

[0035] A further optimized solution is that the steel belt following mechanism 7 includes two first fixed seats 31 fixedly connected to the top surface of the inner part of the bracket 28, the side walls of the first fixed seats 31 are fixedly connected with the first pad bearings 9, a first transmission shaft 10 is rotatably connected between the two first pad bearings 9, the first transmission shaft 10 is coaxially fixed with a steel belt following mechanism sprocket 11, the steel belt following mechanism sprocket 11 is meshed with the second chain, one end of the first transmission shaft 10 passes through the first fixed seat 31 and is fixedly connected with the first cam 14, a first slide groove is provided on the top surface of the bracket 28, a first cam limit bearing support 12 is slidably connected in the first slide groove, a first groove is provided on the bottom surface of the first cam limit bearing support 12, the first cam 14 is located in the first groove, the first cam limit bearings 13 are rotatably connected on both sides of the first groove, the two first cam limit bearings 13 are located on the opposite sides of the first cam 14 and are symmetrically arranged, the top of the first cam limit bearing support 12 passes through the first slide groove and is fixedly connected with the steel belt following part.

[0036] A further optimized solution is that the steel belt following part includes a steel belt following mechanism slide rail 25 fixedly connected to the top of the first cam limit bearing support 12, the steel belt following mechanism slide rail 25 is slidably connected to the top surface of the bracket 28, the top surface of the steel belt following mechanism slide rail 25 is slidably connected to the extrusion wheel support slide rail 24, the top surface of the extrusion wheel support slide rail 24 is fixedly connected to the extrusion wheel support 23, the extrusion wheel support 23 is fixedly connected with the extrusion wheel adjustment cylinder 6, the telescopic end of the extrusion wheel adjustment cylinder 6 passes through the extrusion wheel support 23 and is fixedly connected with the steel belt extrusion wheel 5, and the steel belt extrusion wheel 5 is located below the steel belt guiding mechanism 1.

[0037] A further optimized solution is that the steel pipe rotation following mechanism includes a mounting seat fixedly connected to the top surface of the bracket 28, one side of the mounting seat is rotatably connected to the steel pipe rotation following mechanism sprocket 8, the steel pipe rotation following mechanism sprocket 8 is meshed with the second chain, one side of the mounting seat is rotatably connected to the rotating disk 4, the rotating disk 4 is coaxially fixed to the steel pipe rotation following mechanism sprocket 8, and the rotating disk 4 is coaxially provided with an elliptical through groove.

[0038] According to a further optimization scheme, the tooth ratio of the steel tube rotation following mechanism sprocket 8 and the driven sprocket 17 is 2:1.

[0039] The working process of the utility model is as follows:

[0040] The steel belt enters the steel belt extruding wheel 5 from the steel belt guide mechanism 1. The power motor 3 drives the power motor driving sprocket 15 to rotate, and drives the driven sprocket 17 to rotate through the first chain. The driven sprocket 17 is coaxially fixed with the steel pipe following mechanism sprocket 18 through the second transmission shaft 16. The driven sprocket 17 drives the steel pipe following mechanism sprocket 18 to rotate. The steel pipe following mechanism sprocket 18 drives the steel belt following mechanism sprocket 11 and the steel pipe rotation following mechanism sprocket 8 to rotate through the second chain.

[0041] The second transmission shaft 16 drives the second cam 20 to rotate, and the second cam 20 contacts the second cam limit bearing support 22, thereby driving the second cam limit bearing support 22 to reciprocate, and the second cam limit bearing support 22 drives the steel pipe following mechanism 2 to reciprocate;

[0042] The first transmission shaft 10 drives the first cam 14 to rotate, and the first cam 14 contacts the first cam limit bearing support 12, thereby driving the first cam limit bearing support 12 to reciprocate, and the first cam limit bearing support 12 drives the steel belt following mechanism 7 to reciprocate.

[0043] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0044] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A chain-driven elliptical tube winding fin tube forming device, characterized in that: The bottom surface of the bracket (28) is provided with a driving mechanism, the top surface of the bracket (28) is provided with a chain winding assembly and a steel belt guiding mechanism (1), the driving mechanism is in transmission connection with the chain winding assembly, and the steel belt guiding mechanism (1) is located above the chain winding assembly; The chain winding assembly comprises a steel pipe following mechanism (2), a steel belt following mechanism (7) and a steel pipe rotating following mechanism arranged on the top surface of the bracket (28); the steel pipe following mechanism (2) and the steel belt following mechanism (7) are respectively located on two opposite sides of the steel pipe rotating following mechanism; the driving mechanism is transmission-connected to the steel pipe following mechanism (2); and the steel pipe following mechanism (2) is transmission-connected to the steel belt following mechanism (7) and the steel pipe rotating following mechanism.

2. A chain-driven elliptical tube winding fin tube forming device according to claim 1, characterized in that: The driving mechanism comprises a motor support fixedly connected to the bracket (28), a power motor (3) being fixedly connected to the side wall of the motor support, an output shaft of the power motor (3) passing through the motor support and being coaxially fixedly connected to a driving sprocket (15), the driving sprocket (15) being meshed with a first chain, and the first chain being transmission-connected to the steel pipe following mechanism (2).

3. The chain-driven elliptical tube winding fin tube forming device according to claim 2 is characterized in that: The steel pipe following mechanism (2) comprises two second fixing seats (30) fixedly connected to the inner top surface of the bracket (28), the side walls of the second fixing seats (30) are fixedly connected with second pad bearings (19), a second transmission shaft (16) is rotatably connected between the two second pad bearings (19), the second transmission shaft (16) is coaxially fixed with a driven sprocket (17) and a steel pipe following mechanism sprocket (18), the driven sprocket (17) is meshed with the first chain, the steel pipe following mechanism sprocket (18) is meshed with a second chain, the second chain is transmission-connected with the steel belt following mechanism (7) and the steel pipe rotation following mechanism, and one side of the second transmission shaft (16) is connected with the steel belt following mechanism (7) and the steel pipe rotation following mechanism. The end of the bracket (28) passes through the second fixed seat (30) and is fixedly connected to the second cam (20), the top surface of the bracket (28) is provided with a second slide groove, the second slide groove is slidably connected to the second cam limit bearing support (22), the bottom surface of the second cam limit bearing support (22) is provided with a second groove, the second cam (20) is located in the second groove, the second two sides of the second groove are rotatably connected to the second cam limit bearing (21), the two second cam limit bearings (21) are located on the two sides of the second cam (20) and are symmetrically arranged, the top end of the second cam limit bearing support (22) passes through the second slide groove and is fixedly connected to the steel pipe follower.

4. The chain-driven elliptical tube winding fin tube forming device according to claim 3 is characterized in that: The steel pipe following part includes a steel pipe following support (26) fixedly connected to the top of the second cam limit bearing support (22); the bottom surface of the steel pipe following support (26) is fixedly connected to two steel pipe following mechanism slide rails (27); the two steel pipe following mechanism slide rails (27) are respectively located on two opposite sides of the steel pipe following support (26); the steel pipe following mechanism slide rails (27) are slidably connected to the top surface of the bracket (28).

5. The chain-driven elliptical tube winding fin tube forming device according to claim 3 is characterized in that: The steel belt following mechanism (7) comprises two first fixing seats (31) fixedly connected to the inner top surface of the bracket (28), the side walls of the first fixing seats (31) are fixedly connected to the first pad bearings (9), a first transmission shaft (10) is rotatably connected between the two first pad bearings (9), the first transmission shaft (10) is coaxially fixedly connected to a steel belt following mechanism sprocket (11), the steel belt following mechanism sprocket (11) is meshed with the second chain, one end of the first transmission shaft (10) passes through the first fixing seat (31) and is fixedly connected to the first cam (14), the A first slide groove is provided on the top surface of the bracket (28), a first cam limit bearing support (12) is slidably connected in the first slide groove, a first groove is provided on the bottom surface of the first cam limit bearing support (12), the first cam (14) is located in the first groove, first cam limit bearings (13) are rotatably connected on opposite sides of the first groove, two first cam limit bearings (13) are located on opposite sides of the first cam (14) and are symmetrically arranged, the top end of the first cam limit bearing support (12) passes through the first slide groove and is fixedly connected to a steel belt follower.

6. The chain-driven elliptical tube winding fin tube forming device according to claim 5 is characterized in that: The steel belt following part comprises a steel belt following mechanism slide rail (25) fixedly connected to the top of the first cam limit bearing support (12); the steel belt following mechanism slide rail (25) is slidably connected to the top surface of the bracket (28); the top surface of the steel belt following mechanism slide rail (25) is slidably connected to a belt extrusion wheel support slide rail (24); the top surface of the belt extrusion wheel support slide rail (24) is fixedly connected to a belt extrusion wheel support (23); a belt extrusion wheel adjustment cylinder (6) is fixedly connected inside the belt extrusion wheel support (23); the telescopic end of the belt extrusion wheel adjustment cylinder (6) passes through the belt extrusion wheel support (23) and is fixedly connected to a steel belt extrusion wheel (5); the steel belt extrusion wheel (5) is located below the steel belt guiding mechanism (1).

7. The chain-driven elliptical tube winding fin tube forming device according to claim 3 is characterized in that: The steel pipe rotation following mechanism comprises a mounting seat fixedly connected to the top surface of the bracket (28), one side of the mounting seat is rotationally connected to a steel pipe rotation following mechanism sprocket (8), the steel pipe rotation following mechanism sprocket (8) is meshed with the second chain, one side of the mounting seat is rotationally connected to a rotating disk (4), the rotating disk (4) is coaxially fixedly connected to the steel pipe rotation following mechanism sprocket (8), and the rotating disk (4) is coaxially provided with an elliptical through groove.

8. The chain-driven elliptical tube winding fin tube forming device according to claim 7 is characterized in that: The gear ratio between the steel pipe rotation following mechanism sprocket (8) and the driven sprocket (17) is 2:1.