Retroverted impeller end ring flaring device

Abstract

The utility model discloses a backward-inclined impeller end ring flaring device which comprises a base, a lower flaring mechanism, an upper flaring mechanism and a console. The lower flaring mechanism comprises a lower driving device and a lower movable mounting plate, the upper flaring mechanism comprises a mounting frame, an upper driving device and an upper movable mounting plate, and flaring devices are arranged on the lower movable mounting plate respectively; the lower driving device can drive the lower movable mounting plate to slide relative to the base, the upper driving device can drive the flaring device on the upper movable mounting plate to move up and down, the upper driving device applies force downwards, and flaring of the two end rings of the impeller is completed at the same time through close cooperation of the flaring device on the lower movable mounting plate and the flaring device on the upper movable mounting plate. According to the impeller flaring device, flaring of end rings at the two ends of an impeller can be completed at the same time, flaring machining can be completed alternately without overturning, the impeller flaring machining efficiency is obviously improved, the problem of collision deformation is avoided, the machining precision is improved, the rate of finished products is high, and the performance of the impeller can be guaranteed when the impeller flaring device is used.

Description

Technical Field

[0001] This utility model relates to the field of flaring technology, and in particular to a flaring device for the end ring of a backward-curved impeller. Background Technology

[0002] The impeller is a crucial component of a fan, and its quality directly impacts the fan's performance and lifespan. Back-curved impellers have two symmetrical end rings at each end, which require flaring. Existing flaring equipment flares only one side; after flaring one end, it's flipped over to flare the other. This process is inefficient, prone to deformation during the flipping process, has low manufacturing precision, and easily results in defective products, affecting fan performance. Therefore, addressing these shortcomings is essential. Summary of the Invention

[0003] The purpose of this invention is to solve the problems mentioned in the background art and to provide a device for widening the end ring of a backward-curved impeller.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows: a flaring device for the end rings of a backward-curved impeller, comprising a base, a lower flaring mechanism, an upper flaring mechanism, and a control panel; the lower flaring mechanism is mounted on the base and includes a lower drive device and a lower movable mounting plate; the upper flaring mechanism includes a mounting frame, an upper drive device, and an upper movable mounting plate; flaring devices are respectively provided on the lower movable mounting plate and the upper movable mounting plate; the lower movable mounting plate is slidably connected to the base through a guide rail assembly; the lower drive device is fixedly mounted on the base and can drive the lower movable mounting plate to slide relative to the base, thereby causing the flaring devices on the lower movable mounting plate and the flaring devices on the upper movable mounting plate to form an upper-lower correspondence; during the initial processing, the impeller to be flared is placed through the flaring devices on the lower movable mounting plate; the upper drive device can drive the flaring devices on the upper movable mounting plate to move up and down; the upper drive device applies downward force, and through the lower movable mounting plate and the flaring devices on the upper movable mounting plate, the two end rings of the impeller are simultaneously flared.

[0005] In the aforementioned backward-curved impeller end ring flaring device, the flaring device includes a flaring base and a flaring positioning ring. The flaring base is provided with multiple positioning pin assemblies. The flaring positioning ring is positioned and connected to the flaring base via these multiple positioning pin assemblies and can move axially relative to the flaring base. Multiple springs are provided between the flaring base and the flaring positioning ring. The flaring base is provided with a flaring boss. The springs provide elastic support to the flaring positioning ring, and the flaring positioning ring forms a positioning support with the outer periphery of the impeller end. The upper drive device applies downward force, causing the flaring bases on the lower and upper moving mounting plates to move closer together, thereby completing the flaring by supporting the inner periphery of the impeller end ring through the flaring boss on the flaring base.

[0006] In the aforementioned backward-curved impeller end ring flaring device, the base is provided with multiple position sensors, which are correspondingly arranged with the lower movable mounting plate and can sense and provide feedback on the position information of the lower movable mounting plate.

[0007] The aforementioned backward-curved impeller end ring flaring device also includes a hydraulic station. The lower drive device and the upper drive device are oil cylinders, which are respectively connected to the hydraulic station. The cylinder rod of the oil cylinder in the lower drive device is driven to the lower movable mounting plate through a guide rail assembly, and the cylinder rod of the oil cylinder in the upper drive device is fixedly connected to the upper movable mounting plate.

[0008] In the aforementioned backward-curved impeller end ring flaring device, the guide rail assembly includes a guide rail, a slider, and a connecting plate. The guide rail is fixed on the base, the slider is mounted on the guide rail, and the connecting plate is fixed on the slider. The lower movable mounting plate is fixedly connected to the connecting plate through a side connecting plate.

[0009] In the aforementioned backward-curved impeller end ring flaring device, the lower drive device is fixedly connected to the base via a hydraulic cylinder support.

[0010] In the aforementioned backward-curved impeller end ring flaring device, the mounting frame includes a mounting support and a crossbeam, and the crossbeam is provided with a positioning rod that is connected to the upper movable mounting plate.

[0011] In the aforementioned backward-curved impeller end ring flaring device, the flaring base and the flaring positioning ring are respectively provided with multiple spring grooves for installing springs.

[0012] This utility model has the following beneficial effects:

[0013] This invention can simultaneously complete the flaring of the end rings at both ends of the impeller. Compared with the prior art, it eliminates the need for alternating flipping to complete the flaring process, significantly improving the efficiency of impeller flaring. It avoids the problem of deformation caused by collisions during the flipping process in existing processes, improves processing accuracy, and has a higher yield rate, ensuring its performance during use. Attached Figure Description

[0014] Figure 1 This is a perspective view of the present invention;

[0015] Figure 2 yes Figure 1 Enlarged view of part A;

[0016] Figure 3 This is a perspective view of the present invention (with an impeller placed on it);

[0017] Figure 4 This is a perspective view of the flaring device in this utility model;

[0018] Figure 5 This is an exploded view of the flaring device in this utility model. Detailed Implementation

[0019] The present invention will be further described in conjunction with the accompanying drawings.

[0020] Please see Figures 1 to 5 This utility model provides a device for flaring the end ring of a backward-curved impeller, including a base 1, a lower flaring mechanism 2, an upper flaring mechanism 3, a control panel 4, and a hydraulic station 19. The lower flaring mechanism 2 is mounted on the base 1 and includes a lower drive device 5 and a lower movable mounting plate 6. The upper flaring mechanism 3 includes a mounting frame 7, an upper drive device 8, and an upper movable mounting plate 9. Preferably, the lower drive device 5 and the upper drive device 8 are hydraulic cylinders and are respectively connected to the hydraulic station 19. The control panel 4 is equipped with a touch screen for control operation.

[0021] The lower movable mounting plate 6 is slidably connected to the base 1 via the guide rail assembly 11. The lower driving device 5 is fixedly mounted on the base 1 and can drive the lower movable mounting plate 6 to slide relative to the base 1. The lower driving device 5 is fixedly connected to the base 1 via the hydraulic cylinder support 23. The guide rail assembly 11 includes a guide rail 20, a slider 21, and a connecting plate 22. The guide rail 20 is fixed on the base 1, the slider 21 is mounted on the guide rail 20, and the connecting plate 22 is fixed on the slider 21. The lower movable mounting plate 6 is fixedly connected to the connecting plate 22 via the side connecting plate 30. The cylinder rod 5-1 of the hydraulic cylinder in the lower driving device 5 is driven to connect to the lower movable mounting plate 6 via the connecting plate 22 and the side connecting plate 30 in the guide rail assembly 11, thereby driving the flaring device 10 on the lower movable mounting plate 6 to form an upper-lower correspondence with the flaring device 10 on the upper movable mounting plate 9. The cylinder rod of the hydraulic cylinder in the upper driving device 8 is fixedly connected to the upper movable mounting plate 9.

[0022] The lower movable mounting plate 6 and the upper movable mounting plate 9 are respectively provided with flaring devices 10; the flaring device 10 includes a flaring base 13 and a flaring positioning ring 14. The flaring base 13 is provided with a plurality of positioning pin assemblies 15. The flaring positioning ring 14 is positioned and connected to the flaring base 13 through the plurality of positioning pin assemblies 15 and can move axially relative to the flaring base 13. A plurality of springs 16 are provided between the flaring base 13 and the flaring positioning ring 14. A plurality of spring grooves 27 for mounting the springs 16 are respectively provided on the flaring base 13 and the flaring positioning ring 14. The flaring base 13 is provided with a flaring boss 17. The springs 16 provide elastic support for the flaring positioning ring 14. The flaring positioning ring 14 and the outer peripheral side of the impeller end form a positioning support.

[0023] During the flaring process, the impeller 12 to be flared is placed on the upper flaring mechanism 3. Specifically, the impeller 12 is placed by the flaring device 10 on the lower movable mounting plate 6. The lower end ring of the impeller 12 is elastically supported and positioned by the flaring positioning ring 14 in the flaring device 10. At the same time, the flaring boss 17 on the flaring base 13 corresponds to the impeller end ring. The hydraulic cylinder in the lower drive device 5 drives the lower movable mounting plate 6 to slide, thereby causing the flaring device 10 on the lower movable mounting plate 6 and the impeller on it to form an upper-lower correspondence with the flaring device 10 on the upper movable mounting plate 9. The upper drive device 8 can drive the flaring device 10 on the upper movable mounting plate 9 to move up and down. The upper drive device 8 applies downward force, causing the flaring bases 13 on the lower movable mounting plate 6 and the upper movable mounting plate 9 to move closer to each other. Thus, the flaring is completed simultaneously by the flaring boss 17 on the flaring base 13 of the upper and lower flaring devices supporting the inner circumference of the impeller end ring.

[0024] Furthermore, in order to better control the accuracy of the work, the base 1 is provided with a plurality of position sensors 18, which are correspondingly set with the lower movable mounting plate 6 and can sense and provide feedback on the position information of the lower movable mounting plate 6.

[0025] Furthermore, the mounting frame 7 includes a mounting support 24 and a crossbeam 25, with a positioning rod 26 connected to the upper movable mounting plate 9 on the crossbeam 25. This improves the stability of the upper flaring mechanism 3 during operation.

[0026] The above provides a detailed description of a backward-curved impeller end ring flaring device provided by the embodiments of this utility model. Specific examples have been used to illustrate the principle and implementation of this utility model. The description of the above embodiments is only for the purpose of helping to understand the technical solution disclosed in this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation and application scope based on the idea of ​​this utility model. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A back-swept impeller end ring flaring device characterized by: The utility model provides a kind of multi-positioning and multi-leaf wheel expanding device, including base (1), lower expansion mechanism (2), upper expansion mechanism (3), control console (4);The lower expansion mechanism (2) is installed on base (1), and the lower expansion mechanism (2) includes lower drive device (5), lower mobile mounting plate (6), the upper expansion mechanism (3) includes mounting frame (7), upper drive device (8), upper mobile mounting plate (9), the lower mobile mounting plate (6), upper mobile mounting plate (9) are respectively provided with expansion device (10);The lower mobile mounting plate (6) is slidably connected between guide rail assembly (11) and base (1), and the lower drive device (5) is fixedly installed on base (1) and can drive the lower mobile mounting plate (6) to slide relative to base (1), so as to drive the expansion device (10) on the lower mobile mounting plate (6) and the expansion device (10) on the upper mobile mounting plate (9) form upper and lower correspondence, and the impeller (12) to be expanded is placed by the expansion device (10) on the lower mobile mounting plate (6) when starting processing;The upper drive device (8) can drive the expansion device (10) on the upper mobile mounting plate (9) to move up and down, and the upper drive device (8) exerts force downward, and the expansion device (10) on the lower mobile mounting plate (6) and the upper mobile mounting plate (9) are close to each other to complete the expansion of the two end rings of the impeller (12) simultaneously.

2. A rearward leaning impeller end ring flaring device as defined in claim 1 wherein: The expansion device (10) includes expansion base (13), expansion positioning ring (14), and the expansion base (13) is provided with a plurality of positioning pin assemblies (15), the expansion positioning ring (14) is connected with the expansion base (13) by a plurality of positioning pin assemblies (15) and can move axially relative to the expansion base (13), and a plurality of springs (16) are arranged between the expansion base (13) and the expansion positioning ring (14);The expansion base (13) is provided with an expansion boss (17), the spring (16) provides elastic support for the expansion positioning ring (14), the expansion positioning ring (14) and the outer circumferential side of the impeller end form positioning support, the upper drive device (8) exerts force downward, drives the expansion base (13) on the lower mobile mounting plate (6) and the upper mobile mounting plate (9) to be relatively close, so as to complete the expansion of the inner circumferential side of the impeller end ring by the expansion boss (17) on the expansion base (13) supporting.

3. A rearward leaning impeller end turn flaring device as defined in claim 2 wherein: The base (1) is provided with a plurality of position sensors (18), and the position sensors (18) are correspondingly arranged with the lower mobile mounting plate (6) and can sense and feedback the position information of the lower mobile mounting plate (6).

4. A rearward leaning impeller end ring flaring device as defined in claim 1 wherein: It also includes a hydraulic station (19), and the lower drive device (5) and the upper drive device (8) are oil cylinders and are connected with the hydraulic station (19) respectively, the cylinder rod of the oil cylinder in the lower drive device (5) is drivingly connected with the lower mobile mounting plate (6) through the guide rail assembly (11), and the cylinder rod of the oil cylinder in the upper drive device (8) is fixedly connected with the upper mobile mounting plate (9).

5. A back inclined impeller end band flaring device as claimed in claim 4, wherein: The guide rail assembly (11) comprises a guide rail (20), a sliding block (21) and a connecting plate (22), the guide rail (20) is fixed on the base (1), the sliding block (21) is matchedly installed on the guide rail (20), and the connecting plate (22) is fixed on the sliding block (21); the lower moving mounting plate (6) is fixedly connected with the connecting plate (22) through the side connecting plate (30).

6. A rearward leaning impeller end ring flaring device as defined in claim 4 wherein: The lower driving device (5) is fixedly connected with the base (1) through an oil cylinder support (23).

7. A back inclined impeller end ring flaring device as claimed in claim 1, wherein: The mounting frame (7) comprises a mounting support (24) and a cross beam (25), and the cross beam (25) is provided with a positioning rod (26) connected with the upper moving mounting plate (9).

8. A rearward leaning impeller end turn flaring device as defined in claim 2 wherein: The flared base (13) and the flared positioning ring (14) are respectively provided with a plurality of spring grooves (27) provided with mounting springs (16).

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