CN219542177U

CN219542177U - Axial fan blade welding positioning tool

Info

Publication number: CN219542177U
Application number: CN202320660333.1U
Authority: CN
Inventors: 张美昀; 朱如洪; 金守清; 张劲戈
Original assignee: Yingfei Tongren Jiangsu Fan Co ltd
Current assignee: Yingfei Tongren Jiangsu Fan Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-08-18
Anticipated expiration: 2033-03-30

Abstract

The utility model relates to an axial flow fan blade welding positioning tool, which belongs to the technical field of axial flow fan manufacturing and comprises a base and a hub, wherein a positioning assembly is arranged in the base and comprises a driving motor, the driving motor is arranged on the inner bottom wall of the base, the output end of the driving motor is connected with a bevel gear, the inner side wall of the base is connected with a plurality of threaded rods in an equal-division rotation manner, one end of each threaded rod, which is close to the driving motor, is connected with the bevel gear, a movable seat is sleeved outside each threaded rod, the top end of the movable seat penetrates through the base, a vertical clamp is arranged at the top end of the movable seat, a telescopic rod is arranged at the top end of the base, mounting blocks are connected at two ends of the telescopic rod, one end of each mounting block is connected with a plurality of movable rods in an equal-division manner, and one end of each movable rod is hinged with a butt block. The utility model has the beneficial effects of facilitating the disassembly of welded workpieces, avoiding interference, improving the convenience of the device, meeting the processing requirements of fans with different torsion angles and improving the practicability of the device.

Description

Axial fan blade welding positioning tool

Technical Field

The utility model relates to the technical field of axial flow fan manufacturing, in particular to a welding and positioning tool for blades of an axial flow fan.

Background

The axial flow fan is very common industrial mechanical equipment, has very wide application, is common in application scenes with higher flow requirements and lower pressure requirements, can make gas flow parallel to the axial flow of the fan, and has the characteristics of simple integral structure, excellent use effect and the like.

The utility model of Chinese patent application No. CN201510966567.9 discloses a positioning tool for welding fan blades, which comprises a hollow cylindrical inner fixing part and an outer fixing part, wherein the inner fixing part is arranged in the outer fixing part, the inner fixing part and the outer fixing part are connected through an elastic piece, a welding area for the fan blades to be welded is enclosed between the inner fixing part and the outer fixing part, a plurality of first positioning grooves for accommodating the fan blades to be welded are uniformly formed on the outer side surface of the inner fixing part, a plurality of second positioning grooves for accommodating the fan blades to be welded are uniformly formed on the inner side surface of the outer fixing part, the first positioning grooves are arranged on the outer surface of the protruding inner fixing part, the second positioning grooves are arranged on the inner surface of the protruding outer fixing part, the first positioning grooves and the second positioning grooves are inclined grooves, and the inclined directions are matched with the arrangement directions of the fan blades to be welded. The utility model has simple structure, convenient use, high working efficiency and good welding quality, and is suitable for positioning the fan blades with different welding angles.

The above comparative document has the following problems:

(1) The device is provided with the inner fixing part, the outer fixing part and the elastic piece, and the fan blade is positioned by matching with the positioning groove, but when the outer fixing part is pulled to be disassembled, the fan blade is abutted against the outer fixing part, so that the deformation of the fan blade or the outer fixing part can be caused, and the practical use effect is general.

(2) The device limits the fan blades through the arrangement of the positioning grooves, but the torsion angles of the fan blades of different fans are different, so that the device has certain limitation.

Disclosure of Invention

The utility model aims to provide an axial flow fan blade welding positioning tool for solving the problems in the background technology.

The technical scheme of the utility model is as follows: the utility model provides an axial fan blade welding position frock, includes base and wheel hub, the inside of base is provided with locating component, locating component includes driving motor, driving motor installs in the interior bottom wall of base, driving motor's output is connected with bevel gear, the inside wall partition rotation of base is connected with a plurality of threaded rods, every the one end that the threaded rod is close to driving motor is connected with bevel gear, every the outside cover of threaded rod is equipped with removes the seat, the top of removing the seat runs through the base, the top of removing the seat is provided with vertical clamp, the top of base is provided with the telescopic link, the both ends of telescopic link all are connected with the installation piece, one of them the top fixed connection of installation piece and base, every the one end partition of installation piece is connected with a plurality of movable levers, every the one end of movable lever articulates there is the butt piece.

Further, the bottom of moving the seat is connected with the guide block, the guide slot has been seted up to the interior bottom wall of base, the cross-section of guide block and guide slot is the T font, guide block and guide slot sliding connection.

Further, the inner bottom wall of the base is equally connected with a plurality of supporting frames, each supporting frame is correspondingly sleeved at one end of the threaded rod, and the supporting frames are rotationally connected with the threaded rod.

Further, the top of base is provided with adjusting part, adjusting part includes first swivel and second swivel and third swivel, first swivel and second swivel and third swivel rotate in proper order and connect in the top of base, the top of first swivel is connected with a plurality of first support columns equally divide, the top of second swivel is connected with a plurality of second support columns equally divide, the top of third swivel is connected with a plurality of third support columns equally divide, the top of movable seat is connected with the mount pad, the top of mount pad articulates there is the fly leaf, the bottom of fly leaf articulates there is the connecting rod, the one end of connecting rod articulates there is the connecting block, the one end through connection of mount pad has adjusting bolt, adjusting bolt is connected with the connecting block through the bearing.

Further, one ends of the first swivel, the second swivel and the third swivel are connected with a plurality of locking blocks, and the top end of the base is provided with a scale.

Further, the length dimension of the third support column is smaller than the length dimension of the second support column, and the length dimension of the second support column is smaller than the length dimension of the first support column.

Compared with the prior art, the axial flow fan blade welding positioning tool provided by the utility model has the following improvements and advantages:

the method comprises the following steps: according to the utility model, the hub is centered and limited through the telescopic rod, the movable rod and the abutting block, the distance between the vertical clamp and the end face of the hub is adjusted through the arrangement of the threaded rod and the movable seat, the fan blade is conveniently fixed, the workpiece after welding operation is conveniently detached, interference is avoided, and the convenience of the device is improved.

And two,: according to the utility model, through the arrangement of the connecting rod, the connecting block and the adjusting bolt, the inclination angles of the movable plate and the vertical clamp are adjusted, and the fan blades with different inclination angles are supported and positioned conveniently by the arrangement of the swivel and the supporting column, so that the clamping angle of the device can be adjusted according to the processing requirements, the processing requirements of the fan on different torsion angles are met, and the practicability of the device is improved.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic cross-sectional elevation view of the present utility model;

FIG. 3 is an enlarged schematic view of the area A in FIG. 1;

fig. 4 is a schematic view of a partial side sectional structure of the present utility model.

Reference numerals illustrate: 1. a base; 2. a hub; 3. an adjustment assembly; 31. a first swivel; 32. a second swivel; 33. a third swivel; 34. a third support column; 35. a second support column; 36. a first support column; 37. a locking block; 38. a movable plate; 39. a mounting base; 310. a connecting rod; 311. a connecting block; 312. an adjusting bolt; 4. a positioning assembly; 41. a vertical clamp; 42. a movable seat; 43. a guide block; 44. a guide groove; 45. a threaded rod; 46. bevel gears; 47. a driving motor; 48. a support frame; 49. an abutment block; 410. a movable rod; 411. a mounting block; 412. a telescopic rod.

Description of the embodiments

The following detailed description of the present utility model will provide clear and complete description of the technical solutions of the embodiments of the present utility model, with reference to fig. 1 to 4, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides an axial flow fan blade welding positioning tool through improvement, as shown in fig. 1-4, the tool comprises a base 1 and a hub 2, a positioning component 4 is arranged in the base 1, the positioning component 4 comprises a driving motor 47, the driving motor 47 is arranged on the inner bottom wall of the base 1, the output end of the driving motor 47 is connected with a bevel gear 46, the inner side wall of the base 1 is connected with a plurality of threaded rods 45 in an equal rotation way, the inner bottom wall of the base 1 is connected with a plurality of supporting frames 48 in an equal rotation way, each supporting frame 48 is correspondingly sleeved on one end of the threaded rod 45, the supporting frames 48 are connected with the threaded rods 45 in a rotation way, so that one end of the threaded rod 45 close to the driving motor 47 is supported by the supporting frames 48, the acting force between the threaded rod 45 and the connecting seat of the base 1 is reduced, one end of each threaded rod 45 close to the driving motor 47 is connected with the bevel gear 46, the outside of each threaded rod 45 is sleeved with a movable seat 42, the bottom end of each movable seat 42 is connected with a guide block 43, the inner bottom wall of the base 1 is provided with a guide groove 44, the sections of the guide blocks 43 and the guide grooves 44 are T-shaped, the guide blocks 43 and the guide grooves 44 are in sliding connection, so that the movable seats 42 are axially limited by the guide blocks 43 and the guide grooves 44 and are provided with supporting acting force, the acting force born by the threaded rods 45 is reduced, the top ends of the movable seats 42 penetrate through the base 1, the top ends of the movable seats 42 are provided with vertical clamps 41, the top ends of the base 1 are provided with telescopic rods 412, two ends of the telescopic rods 412 are connected with mounting blocks 411, one of the mounting blocks 411 is fixedly connected with the top end of the base 1, one end of each mounting block 411 is equally connected with a plurality of movable rods 410, one end of each movable rod 410 is hinged with an abutting block 49, the top end of the base 1 is provided with an adjusting component 3, the adjusting component 3 comprises a first swivel 31, a second swivel 32 and a third swivel 33, the first swivel 31, the second swivel 32 and the third swivel 33 are sequentially connected to the top end of the base 1 in a rotating way, the top end of the first swivel 31 is connected with a plurality of first support columns 36 in an equal part, the top end of the second swivel 32 is connected with a plurality of second support columns 35 in an equal part, the top end of the third swivel 33 is connected with a plurality of third support columns 34 in an equal part, the length dimension of the third support columns 34 is smaller than the length dimension of the second support columns 35, the length dimension of the second support columns 35 is smaller than the length dimension of the first support columns 36, thereby utilizing the height difference between the third support columns 36 and the first support columns 34 and matching the position difference between the third support columns 36 and the first support columns 34, the bottom of the fan blade is supported, so that the fan blades with different angles are supported, the characteristic that the second support column 35 is higher than the third support column 34 is utilized, the second support column 35 is used for abutting against one end with a low inclined position of the fan blade, positioning is convenient, the top end of the movable seat 42 is connected with the mounting seat 39, the top end of the mounting seat 39 is hinged with the movable plate 38, the bottom end of the movable plate 38 is hinged with the connecting rod 310, one end of the connecting rod 310 is hinged with the connecting block 311, one end of the mounting seat 39 is connected with the adjusting bolt 312 in a penetrating way, the adjusting bolt 312 is connected with the connecting block 311 through a bearing, the position of the connecting block 311 is adjusted by utilizing the adjusting bolt 312, the connecting block 311 drives the connecting rod 310 to rotate, the connecting rod 310 drives the movable plate 38 to rotate around the hinged position of the connecting rod and the mounting seat 39, the twisting angle for clamping the fan blade is adjusted, simultaneously, the first rotating ring 31 and the third rotating ring 33 are rotated to respectively drive the first supporting column 36 and the third supporting column 34 at the top to rotate, the bottom of the fan blade is supported by the first supporting column 36 and the third supporting column 34, the pitch between the first supporting column 36 and the third supporting column 34 at the bottom of the fan blade is adjusted, so that the inclination angle of the fan blade is changed, the inclination angle of the fan blade is matched with that of the movable plate 38, then the second rotating ring 32 is rotated to drive the second supporting column 35, the included angle between the second supporting column 35 and the mounting seat 39 is adjusted, one end of the fan blade with a low horizontal position is abutted by the second supporting column 35, so that the adaptation adjustment of the position and the angle of the fan blade is realized, one ends of the first rotating ring 31, the second rotating ring 32 and the third rotating ring 33 are connected with a plurality of locking blocks 37, and the top end of the base 1 is provided with a dial gauge, so that the dial gauge is used for conveniently adjusting the rotating ring, the locking blocks 37 and bolts are used for locking the rotating ring after the adjustment.

Working principle: before welding, the hub 2 is sleeved outside the abutting block 49, the telescopic rod 412 is used for shrinking to drive the top mounting block 411 to descend, the mounting block 411 drives the movable rod 410 to rotate, the abutting block 49 is expanded outwards, the abutting block 49 abuts against the inner wall of the hub 2 to limit the hub 2, then the driving motor 47 is started according to the length dimension of the fan blade, the threaded rod 45 is rotated by utilizing the meshing transmission function of the bevel gear 46, the threaded rod 45 is horizontally displaced by the rotation of the threaded rod 45 through the axial limiting function of the guide groove 44 and the guide block 43, the linear distance from the end part of the vertical clamp 41 to the hub 2 is adjusted, then the adjusting bolt 312 is rotated, the position of the connecting block 311 is adjusted by the adjusting bolt 312, the connecting block 311 drives the connecting rod 310 to rotate, the connecting rod 310 drives the movable plate 38 to rotate around the hinge position of the movable plate 38 and the mounting seat 39, the torsion angle of the blade clamping is adjusted, the first rotating ring 31 and the third rotating ring 33 are rotated at the same time, so that the first supporting column 36 and the third supporting column 34 at the top are respectively driven to rotate, the bottom of the blade is supported by the first supporting column 36 and the third supporting column 34, the inclination angle of the blade is changed by adjusting the distance between the first supporting column 36 and the third supporting column 34 at the bottom of the blade, the inclination angle of the blade is matched with the inclination angle of the movable plate 38, the second rotating ring 32 is rotated, the second supporting column 35 is driven by the second rotating ring 32, the included angle between the second supporting column 35 and the mounting seat 39 is adjusted, the end of the second supporting column 35 with the lower horizontal position of the blade is abutted, the rotating ring is tightly locked with the base 1 by the bolt and the locking block 37, the positioning adjustment of the angle and the position of the blade is completed, the blade is clamped and fixed by the vertical clamp 41 and the movable plate 38, and then welding operation is carried out.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An axial fan blade welding position frock, its characterized in that: including base (1) and wheel hub (2), the inside of base (1) is provided with locating component (4), locating component (4) include driving motor (47), driving motor (47) are installed in the interior bottom wall of base (1), the output of driving motor (47) is connected with bevel gear (46), the inside wall of base (1) is divided equally and is rotated and is connected with a plurality of threaded rods (45), every threaded rod (45) are close to the one end of driving motor (47) and are connected with bevel gear (46), every the outside cover of threaded rod (45) is equipped with removes seat (42), the top of removing seat (42) runs through base (1), the top of removing seat (42) is provided with perpendicular clamp (41), the top of base (1) is provided with telescopic link (412), the both ends of telescopic link (412) all are connected with installation piece (411), one of them installation piece (411) are divided equally with the top of base (1) and are connected with a plurality of movable link (410), every movable link (410) are connected with each movable link (410).

2. The axial flow fan blade welding positioning tool as defined in claim 1, wherein: the bottom of the movable seat (42) is connected with a guide block (43), a guide groove (44) is formed in the inner bottom wall of the base (1), the cross section of the guide block (43) and the cross section of the guide groove (44) are T-shaped, and the guide block (43) is in sliding connection with the guide groove (44).

3. The axial flow fan blade welding positioning tool as defined in claim 1, wherein: the inner bottom wall of the base (1) is equally connected with a plurality of supporting frames (48), each supporting frame (48) is correspondingly sleeved at one end of the threaded rod (45), and the supporting frames (48) are rotationally connected with the threaded rod (45).

4. The axial flow fan blade welding positioning tool as defined in claim 1, wherein: the top of base (1) is provided with adjusting part (3), adjusting part (3) are including first swivel (31) and second swivel (32) and third swivel (33), first swivel (31) and second swivel (32) and third swivel (33) rotate in proper order and connect in the top of base (1), the top of first swivel (31) is divided equally and is connected with a plurality of first support columns (36), the top of second swivel (32) is divided equally and is connected with a plurality of second support columns (35), the top of third swivel (33) is divided equally and is connected with a plurality of third support columns (34), the top of removal seat (42) is connected with mount pad (39), the top of mount pad (39) articulates there is fly leaf (38), the bottom of fly leaf (38) articulates there is connecting rod (310), the one end of connecting rod (310) articulates there is (311), the one end of mount pad (39) is divided equally and is connected with a plurality of second support columns (312), the top of third swivel (33) is divided equally and is connected with a plurality of third support columns (34), the top of removal seat (42) is connected with connecting block (311) through bearing (311).

5. The axial flow fan blade welding positioning tool as defined in claim 4, wherein: one ends of the first swivel (31), the second swivel (32) and the third swivel (33) are connected with a plurality of locking blocks (37), and the top end of the base (1) is provided with a dial gauge.

6. The axial flow fan blade welding positioning tool as defined in claim 4, wherein: the length dimension of the third support column (34) is smaller than the length dimension of the second support column (35), and the length dimension of the second support column (35) is smaller than the length dimension of the first support column (36).