CN213135657U - Fan wheel corner positioning jig - Google Patents

Abstract

The utility model relates to a fan impeller corner positioning jig, which comprises a bottom plate, a rotating seat, an upper positioning sheet, a lower positioning sheet and a positioning flitch; the bottom plate is provided with a lifting rod, the rotating seat is positioned at the top end of the lifting rod, the rotating body of the rotating seat is provided with a swing arm, the upper positioning sheet and the lower positioning sheet are both positioned at the end head of the swing arm, the upper and lower positions of the upper positioning sheet and the lower positioning sheet correspond to each other, and the upper positioning sheet and the lower positioning sheet are parallel to each other; the location flitch passes through the connecting rod and is connected with the swing arm, the location flitch specifically is located the position department that is close to last spacer and lower spacer. The utility model discloses can be when impeller welded blade, after rotating specific angle with basal disc and beaded finish along the pivot, fix the blade that has welded to the angle that the accurate control rotated improves the welding precision who is about to welded blade, guarantees the uniformity of contained angle between two adjacent blades.

Description

Fan wheel corner positioning jig

Technical Field

The utility model relates to a fan manufacturing field, concretely relates to fan wheel corner positioning jig.

Background

The blower is a machine which can realize gas compression and gas transmission, convert the rotating mechanical energy into gas pressure energy and kinetic energy and transmit the gas.

The main structural components of the fan are an impeller, a shell, an air inlet, a support, a motor, a belt pulley, a coupling, a silencer, a transmission part and the like, wherein the impeller is the most central component in the fan, and the structure of the fan is complex.

The impeller is mostly formed by welding iron pieces. During welding, the base plate of the impeller is fixed on a rotating shaft of the tool, and then the blades are welded on the base plate and the reinforcing ring in sequence. After each blade is welded, the base plate and the reinforcing ring need to rotate through a specific angle along the rotating shaft, and the angle is the included angle between two adjacent blades.

The existing turning operation is manually positioned through a tool or reference, but the positioning mode has low precision, the consistency of an included angle between two adjacent blades cannot be ensured, and the dynamic balance performance of the impeller is directly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides a fan wheel corner positioning jig can be when impeller welded blade, after rotating specific angle with base plate and beaded finish along the pivot, fixes the blade that has welded to the angle that accurate control was rotated improves the welding precision who is about to welded blade, guarantees the uniformity of contained angle between two adjacent blades.

In order to achieve the above object, the present invention provides the following technical solutions:

a fan impeller corner positioning jig comprises a bottom plate, a rotating seat, an upper positioning sheet, a lower positioning sheet and a positioning flitch; the bottom plate is provided with a lifting rod, the rotating seat is positioned at the top end of the lifting rod, the rotating body of the rotating seat is provided with a swing arm, the upper positioning sheet and the lower positioning sheet are both positioned at the end head of the swing arm, the upper and lower positions of the upper positioning sheet and the lower positioning sheet correspond to each other, and the upper positioning sheet and the lower positioning sheet are parallel to each other; the location flitch passes through the connecting rod and is connected with the swing arm, the location flitch specifically is located the position department that is close to last spacer and lower spacer.

Furthermore, the upper positioning piece is specifically positioned above one end, far away from the rotating seat, of the swing arm, and the lower positioning piece is specifically positioned below one end, far away from the rotating seat, of the swing arm; the upper positioning plate and the lower positioning plate are both flaky and are both horizontally arranged.

Furthermore, the positioning flitch is arc-shaped, and the height of the positioning flitch is between the upper positioning piece and the lower positioning piece.

Furthermore, the lifting rod is vertically arranged, and a locking screw is also arranged on the lifting rod; the swing arm is horizontally arranged.

The utility model has the advantages that: the utility model provides a fan wheel corner positioning jig, through the base, the lifter, the roating seat, the swing arm, go up the spacer, the cooperation of spacer and site paster is used down, can be when impeller welding blade, after rotating specific angle with basal disc and beaded finish along the pivot, fix the blade that has welded, thereby the angle that accurate control basal disc and beaded finish have rotated along the pivot, improve the welding precision who is about to welded blade, guarantee the uniformity of contained angle between two adjacent blades, and then promote the dynamic balance performance of impeller, be favorable to improving the yields of impeller.

Drawings

Fig. 1 is the utility model relates to a fan wheel corner positioning fixture's overall structure schematic diagram.

Fig. 2 is the overall structure diagram of another visual angle of the fan impeller corner positioning fixture of the utility model.

In the figure: 1. a base plate; 2. a lifting rod; 3. locking the screw; 4. a rotating base; 5. swinging arms; 6. an upper positioning sheet; 7. a lower locating plate; 8. positioning the flitch; 9. a connecting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 and 2, a fan impeller corner positioning jig includes a bottom plate 1, a rotary base 4, an upper positioning plate 6, a lower positioning plate 7 and a positioning pasting plate 8; the impeller positioning device is characterized in that a lifting rod 2 is arranged on the bottom plate 1, the rotating base 4 is positioned at the top end of the lifting rod 2, a swing arm 5 is arranged on a rotating body of the rotating base 4, the swing arm 5 can rotate relative to the lifting rod 2, the rotating base 4 is used for playing a rotatable role, the upper positioning piece 6 and the lower positioning piece 7 are both positioned at the end head of the swing arm 5, the upper positioning piece 6 corresponds to the lower positioning piece 7 in the vertical position, the upper positioning piece 6 is parallel to the lower positioning piece 7, and the upper positioning piece 6 and the lower positioning piece 7 are respectively used for performing contact positioning on the upper end and the lower end of a blade on an impeller; location flitch 8 is connected with swing arm 5 through connecting rod 9, location flitch 8 specifically is located the position department that is close to last spacer 6 and lower spacer 7, location flitch 8 is used for laminating mutually with the outside wall of the beaded finish of impeller for play position reference effect.

The upper positioning piece 6 is specifically positioned above one end of the swing arm 5 far away from the rotating seat 4, and the lower positioning piece 7 is specifically positioned below one end of the swing arm 5 far away from the rotating seat 4; the upper locating plate 6 and the lower locating plate 7 are both in a sheet shape and are both horizontally arranged.

The positioning flitch 8 is arc-shaped, and the height of the positioning flitch 8 is between the upper positioning plate 6 and the lower positioning plate 7.

The lifting rod 2 is vertically arranged, the locking screw 3 is further arranged on the lifting rod 2, the length of the lifting rod 2 can be adjusted, the horizontal height of the rotating seat 4 can be adjusted according to actual needs, and after the adjustment is completed, the locking screw 3 is screwed down to realize fixation; the swing arm 5 is horizontally arranged.

The utility model discloses a theory of operation does: the positioning jig is placed at a position close to a rotating shaft of a fan impeller welding tool, after a blade is welded, a base plate and a reinforcing ring rotate by a specific angle along the rotating shaft, then a swing arm 5 is manually driven to rotate relative to a lifting rod 2, so that an upper positioning piece 6 and a lower positioning piece 7 clamp the upper end and the lower end of the welded blade until a positioning attachment plate 8 is attached to the outer wall of the reinforcing ring of the impeller, the positioning and clamping of the impeller are completed, and the welding operation of the next blade can be carried out; under the clamping state, the angle that every turn base plate and beaded finish rotated along the pivot is all invariable to promote blade welded position accuracy.

The above examples are provided for further illustration of the present invention, but do not limit the present invention to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood as being within the protection scope of the present invention.

Claims (4)

1. The utility model provides a fan wheel corner positioning jig which characterized in that: comprises a bottom plate (1), a rotary seat (4), an upper positioning sheet (6), a lower positioning sheet (7) and a positioning pasting plate (8); the lifting rod (2) is arranged on the bottom plate (1), the rotating seat (4) is positioned at the top end of the lifting rod (2), the swinging arm (5) is arranged on the rotating body of the rotating seat (4), the upper positioning sheet (6) and the lower positioning sheet (7) are both positioned at the end head of the swinging arm (5), the upper positioning sheet (6) corresponds to the lower positioning sheet (7) in the vertical direction, and the upper positioning sheet (6) is parallel to the lower positioning sheet (7); the positioning flitch (8) is connected with the swing arm (5) through a connecting rod (9), and the positioning flitch (8) is specifically positioned at a position close to the upper positioning piece (6) and the lower positioning piece (7).

2. The fan impeller corner positioning jig of claim 1, characterized in that: the upper positioning piece (6) is specifically positioned above one end, far away from the rotating seat (4), of the swing arm (5), and the lower positioning piece (7) is specifically positioned below one end, far away from the rotating seat (4), of the swing arm (5); the upper positioning plate (6) and the lower positioning plate (7) are both in a sheet shape and are both horizontally arranged.

3. The fan impeller corner positioning jig of claim 2, characterized in that: the positioning flitch (8) is arc-shaped, and the height of the positioning flitch (8) is positioned between the upper positioning plate (6) and the lower positioning plate (7).

4. The fan impeller corner positioning jig of claim 3, characterized in that: the lifting rod (2) is vertically arranged, and a locking screw (3) is further arranged on the lifting rod (2); the swing arm (5) is horizontally arranged.

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