Fan blade welding device for fan production and machining

Through the design of the placement and fixing mechanisms, precise positioning and automated adjustment of the fan blades and connecting shaft are achieved, solving the problems of positioning difficulties and offsets during the welding process, and improving welding accuracy and efficiency.

CN223981363UActive Publication Date: 2026-03-10JIANGSU JINGMUSEN ENVIRONMENTAL TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

When welding existing fan blades to the connecting shaft, positioning is difficult and positional misalignment is prone to occur, leading to welding deviations.

Method used

The system employs a placement and fixing mechanism, utilizing components such as an electric telescopic rod, control rod, and clamping ring to achieve precise positioning and fixing of the connecting shaft. Combined with an electric push rod, it enables automated adjustment of the fan blades, ensuring welding accuracy.

Benefits of technology

It improves welding precision and efficiency, reduces labor intensity, adapts to connecting shafts of different diameters, reduces welding deviation, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223981363U_ABST
    Figure CN223981363U_ABST
Patent Text Reader

Abstract

The utility model discloses a fan blade welding device for fan production and machining, and relates to fan blade welding. The fan blade welding device for fan production and machining comprises a base, and a placing mechanism and a fixing mechanism are arranged above the base; the placing mechanism comprises a placing part and a rotating part; the placing part comprises a placing disc and a placing frame, and the rotating part comprises a rotating rod and an extrusion frame; and a rotating rod is rotationally arranged on the top surface of the base through a bearing seat I, and the top surface of the rotating rod is fixedly connected with the bottom surface of the placing disc. The technical effects are that an electric telescopic rod in the placing mechanism drives a lifting ring, a connecting plate, a control rod and a connecting frame are utilized to enable a plurality of clamping rings to be close to one another, a connecting shaft is accurately and stably fixed, and welding deviation and insufficient welding are reduced; a plurality of clamping rings are controlled to move synchronously, so that the connecting shaft can be positioned when being fixed; and the distance between the clamping rings can be flexibly adjusted according to the telescopic length of the electric telescopic rod to adapt to connecting shafts with different diameters.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to fan blade welding, concretely is a fan blade welding device for fan production and processing. BACKGROUND

[0002] The fan is relied on inputted mechanical energy, improves gas pressure and sends gas, it is a kind of driven fluid machine, and the fan is the customary appellation of gas compression and gas delivery machine, and the fan is used to deliver air in fresh air system;

[0003] As the component part of fan, the connecting strength of fan blade directly decides whether the fan can run safely, and the connection between fan blade and connecting shaft is mostly through welding, and the connecting shaft and fan blade need to be fixed during welding;

[0004] The existing fixing device is mostly through the clamping of multiple clamping blocks respectively to clamp the connecting shaft when fixing the connecting shaft, and this way is difficult to position the connecting shaft during clamping, and the position deviation can easily occur, and then leads to the inaccurate welding position of fan blade and connecting shaft, produces welding deviation, therefore, a fan blade welding device for fan production and processing is provided. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] In view of the defects of prior art, the utility model provides a fan blade welding device for fan production and processing, solves the problem that it is difficult to position the connecting shaft during clamping, the position deviation can easily occur, and then leads to the inaccurate welding position of fan blade and connecting shaft, produces welding deviation.

[0007] (II) technical scheme

[0008] To realize the above object, the utility model is realized by the following technical scheme: including base, the base top is provided with placing mechanism and fixed mechanism;

[0009] The placing mechanism includes placing part and rotating part;

[0010] The placing part includes placing disc and placing frame, and the rotating part includes rotating rod and extrusion frame;

[0011] A rotating rod is rotatably mounted on the top surface of the base via a bearing seat. The top surface of the rotating rod is fixedly connected to the bottom surface of the placement tray. The bottom surface of the placement frame is fixedly connected to the top surface of the placement tray. Multiple connecting blocks are slidably mounted through the outer wall of the placement frame, extending to the inner side of the placement frame. Multiple clamping rings are fixedly mounted on the adjacent sides of the multiple connecting blocks. A pressing frame is fixedly mounted on the top surface of the base. A moving frame is slidably mounted on the outer wall of the pressing frame. A connecting frame is fixedly mounted on the top surface of the moving frame. A control ring is fixedly sleeved on the outer wall of the rotating rod. The outer wall of the control ring is fixedly connected to the outer wall of the connecting frame.

[0012] Preferably, the fixing mechanism includes a fixing plate, the bottom surface of the fixing plate is slidably connected to the top surface of the base, a fixing block is fixedly disposed on the outer wall of the fixing plate, a fixing frame is fixedly disposed on the outer wall of the fixing block, and an extrusion plate is slidably disposed on the inner side of the fixing frame.

[0013] Preferably, a lifting ring is slidably sleeved on the outer wall of the rotating rod, and multiple connecting plates are fixedly arranged on the outer wall of the lifting ring. Multiple control rods are respectively hinged on the top surface of the multiple connecting plates, and the outer walls of the multiple control rods are respectively hinged to the outer walls of the multiple connecting blocks.

[0014] Preferably, the outer wall of the movable frame is threaded with an extrusion screw extending to the inner side of the extrusion frame.

[0015] Preferably, a placement plate is fixedly provided on the outer wall of the rotating rod, an electric telescopic rod is fixedly provided on the top surface of the placement plate, the top surface of the output end of the electric telescopic rod is fixedly connected to the bottom surface of the lifting ring, a limit plate is fixedly provided on the bottom surface of the placement plate, and the bottom surface of the limit plate slides through the top surface of the lifting ring and extends to the inner side of the lifting ring.

[0016] Preferably, a mounting bracket is fixedly provided on the bottom surface of the fixed frame, a threaded rod is fixedly provided on the inner side of the mounting bracket, a sliding groove is provided on the outer wall of the fixed frame, a control plate is slidably provided on the inner wall of the sliding groove, the outer wall of the control plate is fixedly connected to the outer wall of the extrusion plate, the top surface of the threaded rod extends through the bottom surface of the control plate to the top of the control plate, a nut is rotatably provided on the top surface of the control plate through a bearing seat, the inner side of the nut is threadedly connected to the outer wall of the threaded rod, a wedge-shaped groove is provided on the inner side of the fixed frame, a wedge-shaped block is slidably provided on the inner wall of the wedge groove, and the side of the wedge block near the extrusion plate is fixedly connected to the outer wall of the extrusion plate.

[0017] Preferably, an electric push rod is fixedly installed on the top surface of the base, the output end of the electric push rod is fixedly connected to the outer wall of the fixed plate, a dovetail groove is opened on the top surface of the base, a dovetail block is slidably installed on the inner wall of the dovetail groove, and the top surface of the dovetail block is fixedly connected to the bottom surface of the fixed plate.

[0018] (III) Beneficial Effects

[0019] This utility model provides a fan blade welding device for wind turbine manufacturing. It has the following advantages:

[0020] (I) This fan blade welding device for fan manufacturing and processing includes an electric telescopic rod in the placement mechanism that drives a lifting ring. Multiple clamping rings are brought closer together by a connecting plate, control rod, and connecting frame to accurately and stably fix the connecting shaft, reducing welding deviation and incomplete welds. By controlling the synchronous movement of multiple clamping rings, the connecting shaft can be positioned during fixing. Furthermore, the spacing between the clamping rings can be flexibly adjusted according to the extension length of the electric telescopic rod to adapt to connecting shafts of different diameters, making it highly versatile. The rotating rod is connected to the placement plate and can rotate. After loosening the extrusion screw, the connecting shaft can be easily rotated to the next welding position. The operation is simple and quick, improving welding efficiency and reducing labor intensity.

[0021] (ii) The fan blade welding device for fan manufacturing and processing works in conjunction with the electric push rod to realize the automatic adjustment of the fan blade position, so that the fan blade can accurately contact the connecting shaft without frequent manual operation, thus improving work efficiency. In addition, working in conjunction with the electric push rod, the fixed frame can be controlled to detach from the fan blade after one fan blade is welded, so that it will not affect the rotation of the connecting shaft and the fan blade. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the placement mechanism of this utility model;

[0024] Figure 3 This is a schematic diagram of the control ring in the placement mechanism of this utility model;

[0025] Figure 4 This is a schematic diagram of the fixing mechanism of this utility model;

[0026] Figure 5 For the present utility model Figure 3 A magnified structural diagram of area A in the middle.

[0027] In the diagram: 1. Base; 2. Placement mechanism; 21. Placement tray; 22. Connecting plate; 23. Placement frame; 24. Clamping ring; 25. Lifting ring; 26. Extrusion frame; 27. Rotating rod; 28. Electric telescopic rod; 29. ​​Placement plate; 210. Limiting plate; 211. Control rod; 212. Connecting frame; 213. Extrusion screw; 214. Moving frame; 215. Control ring; 216. Connecting block; 3. Fixing mechanism; 31. Fixing plate; 32. Fixing block; 33. Wedge block; 34. Extrusion plate; 35. Fixing frame; 36. Nut; 37. Control plate; 38. Threaded rod; 39. Mounting frame; 310. Electric push rod; 311. Dovetail block. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Please see Figures 1-5 The present invention provides a technical solution: including a base 1, and a placement mechanism 2 and a fixing mechanism 3 are provided on the top of the base 1;

[0030] The placement mechanism 2 includes a placement part and a rotating part;

[0031] The placement part includes a placement tray 21 and a placement frame 23, and the rotating part includes a rotating rod 27 and a pressing frame 26;

[0032] A rotating rod 27 is rotatably mounted on the top surface of the base 1 via a bearing seat. The top surface of the rotating rod 27 is fixedly connected to the bottom surface of the placement tray 21. The bottom surface of the placement frame 23 is fixedly connected to the top surface of the placement tray 21. Multiple connecting blocks 216 are slidably mounted through the outer wall of the placement frame 23, extending to the inner side of the placement frame 23. Multiple clamping rings 24 are fixedly mounted on the adjacent sides of the multiple connecting blocks 216. A pressing frame 26 is fixedly mounted on the top surface of the base 1. A moving frame 214 is slidably mounted on the outer wall of the pressing frame 26. A connecting frame 212 is fixedly mounted on the top surface of the moving frame 214. A control ring 215 is fixedly sleeved on the outer wall of the rotating rod 27. The outer wall of the control ring 215 is fixedly connected to the outer wall of the connecting frame 212. A sliding sleeve is provided with a lifting ring 25. Multiple connecting plates 22 are fixedly provided on the outer wall of the lifting ring 25. Multiple control rods 211 are respectively hinged to the top surface of the multiple connecting plates 22. The outer walls of the multiple control rods 211 are respectively hinged to the outer walls of multiple connecting blocks 216. A pressing screw 213 is threaded through the outer wall of the moving frame 214 and extends to the inner side of the pressing frame 26. A placement plate 29 is fixedly provided on the outer wall of the rotating rod 27. An electric telescopic rod 28 is fixedly provided on the top surface of the placement plate 29. The top surface of the output end of the electric telescopic rod 28 is fixedly connected to the bottom surface of the lifting ring 25. A limit plate 210 is fixedly provided on the bottom surface of the placement plate 21. The bottom surface of the limit plate 210 slides through the top surface of the lifting ring 25 and extends to the inner side of the lifting ring 25.

[0033] The fixing mechanism 3 includes a fixing plate 31, the bottom surface of which is slidably connected to the top surface of the base 1. A fixing block 32 is fixedly installed on the outer wall of the fixing plate 31, and a fixing frame 35 is fixedly installed on the outer wall of the fixing block 32. An extrusion plate 34 is slidably installed on the inner side of the fixing frame 35. A mounting bracket 39 is fixedly installed on the bottom surface of the fixing frame 35, and a threaded rod 38 is fixedly installed on the inner side of the mounting bracket 39. A groove is formed on the outer wall of the fixing frame 35, and a control plate 37 is slidably installed on the inner wall of the groove. The outer wall of the control plate 37 is fixedly connected to the outer wall of the extrusion plate 34. The top surface of the threaded rod 38 extends through the bottom surface of the control plate 37 and onto the control plate 37. On the top surface of the control plate 37, a nut 36 is rotatably mounted on the bearing seat. The inner side of the nut 36 is threadedly connected to the outer wall of the threaded rod 38. A wedge-shaped groove is provided on the inner side of the fixed frame 35. A wedge-shaped block 33 is slidably mounted on the inner wall of the wedge groove. The side of the wedge block 33 near the extrusion plate 34 is fixedly connected to the outer wall of the extrusion plate 34. An electric push rod 310 is fixedly mounted on the top surface of the base 1. The output end of the electric push rod 310 is fixedly connected to the outer wall of the fixed plate 31. A dovetail groove is provided on the top surface of the base 1. A dovetail block 311 is slidably mounted on the inner wall of the dovetail groove. The top surface of the dovetail block 311 is fixedly connected to the bottom surface of the fixed plate 31.

[0034] In use, the connecting shaft is placed inside the placement frame 23. After placement, the electric telescopic rod 28 is opened. After the electric telescopic rod 28 is opened, the lifting ring 25 can move up and down. When the lifting ring 25 moves, it can drive multiple connecting plates 22 to move synchronously. When the multiple connecting plates 22 move upward, multiple clamping rings 24 can be brought closer to each other through multiple control rods 211 and multiple connecting frames 212. When the multiple clamping rings 24 are brought closer to each other, the connecting shaft can be fixed. After the connecting shaft is fixed, the fan blade is placed inside the fixing frame 35. After placement, the nut 36 is rotated. During the rotation of the nut 36, the extrusion plate 34 can be moved downward through the threaded rod 38. When the extrusion plate 34 moves downward, the fan blade can be clamped and fixed. After the fixing is completed, the electric push rod 310 is opened. After the electric push rod 310 is opened, the fixing plate 31 can be moved, so that the fan blade contacts the connecting shaft. After the fan blade contacts the connecting shaft, the electric push rod 310 is closed. After the fan blade contacts the connecting shaft, it can be welded.

[0035] After welding one fan blade, the control extrusion plate 34 is disengaged from the welded fan blade. At this time, the electric push rod 310 is activated, causing the welded fan blade to detach from the fixed frame 35. After detachment, the extrusion screw 213 is loosened, which allows the rotating rod 27 to rotate. When the rotating rod 27 rotates, it drives the connecting shaft to rotate synchronously. After the connecting shaft rotates to the position for the next welding, the extrusion screw 213 is tightened. After the extrusion screw 213 is tightened, the connecting shaft can be fixed. Then, the above operation is repeated to fix the new fan blade inside the fixed frame 35, so that the new fan blade can be welded above the connecting shaft. Repeating the above operation can weld multiple fan blades above the connecting shaft.

[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fan blade welding device for fan production and processing, comprising a base (1), characterized in that: The base (1) is provided with a placing mechanism (2) and a fixing mechanism (3) above. The placing mechanism (2) comprises a placing part and a rotating part. The placing part comprises a placing disc (21) and a placing frame (23), and the rotating part comprises a rotating rod (27) and a pressing frame (26). The rotating rod (27) is rotatably arranged on the top surface of the base (1) through a bearing seat, the top surface of the rotating rod (27) is fixedly connected with the bottom surface of the placing disc (21), the bottom surface of the placing frame (23) is fixedly connected with the top surface of the placing disc (21), a plurality of connecting blocks (216) are slidably arranged through the outer wall of the placing frame (23) and extend to the inner side of the placing frame (23), a plurality of clamping rings (24) are fixedly arranged on the side surface of each of the connecting blocks (216), the pressing frame (26) is fixedly arranged on the top surface of the base (1), a moving frame (214) is slidably arranged on the outer wall of the pressing frame (26), a connecting frame (212) is fixedly arranged on the top surface of the moving frame (214), and a control ring (215) is fixedly arranged on the outer wall of the rotating rod (27) and fixedly connected with the outer wall of the connecting frame (212).

2. The fan blade welding device for fan production and processing according to claim 1, characterized in that: The fixing mechanism (3) comprises a fixing plate (31), the bottom surface of the fixing plate (31) is slidably connected with the top surface of the base (1), a fixing block (32) is fixedly arranged on the outer wall of the fixing plate (31), a fixing frame (35) is fixedly arranged on the outer wall of the fixing block (32), and a pressing plate (34) is slidably arranged on the inner side surface of the fixing frame (35).

3. The fan blade welding device for fan production and processing according to claim 1, characterized in that: A lifting ring (25) is slidably arranged on the outer wall of the rotating rod (27), a plurality of connecting plates (22) are fixedly arranged on the outer wall of the lifting ring (25), a plurality of control rods (211) are hingedly arranged on the top surface of each of the connecting plates (22), and the outer wall of each of the control rods (211) is hingedly connected with the outer wall of each of the connecting blocks (216).

4. The fan blade welding device for fan production and processing according to claim 1, characterized in that: A pressing screw (213) is threadedly arranged through the outer wall of the moving frame (214) and extends to the inner side of the pressing frame (26).

5. The fan blade welding device for fan production and processing according to claim 3, characterized in that: A placing plate (29) is fixedly arranged on the outer wall of the rotating rod (27), an electric telescopic rod (28) is fixedly arranged on the top surface of the placing plate (29), the top surface of the output end of the electric telescopic rod (28) is fixedly connected with the bottom surface of the lifting ring (25), a limiting plate (210) is fixedly arranged on the bottom surface of the placing disc (21), and the bottom surface of the limiting plate (210) slidably penetrates through the top surface of the lifting ring (25) and extends to the inner side of the lifting ring (25).

6. The fan blade welding device for fan production and processing according to claim 2, characterized in that: The bottom surface of the fixed frame (35) is fixedly provided with a mounting rack (39), the inner side surface of the mounting rack (39) is fixedly provided with a threaded rod (38), the outer wall of the fixed frame (35) is provided with a sliding groove, the inner wall of the sliding groove is slidably provided with a control plate (37), the outer wall of the control plate (37) is fixedly connected with the outer wall of the extrusion plate (34), the top surface of the threaded rod (38) extends to above the control plate (37) through the bottom surface of the control plate (37), the top surface of the control plate (37) is rotatably provided with a nut (36) through a bearing seat two, the inner side surface of the nut (36) is threadedly connected with the outer wall of the threaded rod (38), the inner side surface of the fixed frame (35) is provided with a wedge-shaped groove, the inner wall of the wedge-shaped groove is slidably provided with a wedge-shaped block (33), and the side surface of the wedge-shaped block (33) close to the extrusion plate (34) is fixedly connected with the outer wall of the extrusion plate (34).

7. The fan blade welding device for fan production and processing according to claim 2, characterized in that: The top surface of the base (1) is fixedly provided with an electric push rod (310), the output end of the electric push rod (310) is fixedly connected with the outer wall of the fixed plate (31), the top surface of the base (1) is provided with a dovetail groove, the inner wall of the dovetail groove is slidably provided with a dovetail block (311), and the top surface of the dovetail block (311) is fixedly connected with the bottom surface of the fixed plate (31).