CN202135012U

CN202135012U - Stator core lamination tooling of wind power motor

Info

Publication number: CN202135012U
Application number: CN201120177667U
Authority: CN
Inventors: 翟国兴
Original assignee: CHANGZHOU SHENLI MOLD Co Ltd
Current assignee: Changzhou Shenli Electrical Machine Co., Ltd.
Priority date: 2011-05-31
Filing date: 2011-05-31
Publication date: 2012-02-01
Anticipated expiration: 2021-05-31

Abstract

The utility model relates to a stator core of a wind power motor, and specially relates to a stator core lamination tooling of a wind power motor. A lamination tooling main body is designed; the main body is provided with a positioning circle plate which is divided to 6 portions equally, wherein 3 fixed plates are integrated with the main body, and are fixedly arranged on the upper semicircle, and the other 3 fixed plates are movable tightening plates which can be tightened or loosened, and are fixedly arranged on the lower semicircle. Two ends of the stator core are provided with clamping plates, and the plates at two ends of the stator core or clamping rings are concentric with the motor stator core punching sheet portion. Adjustment cushion blocks are provided, which is convenient for controlling the motor stator core length size, tightening and loosening the tightening plates. The base plate 9 and the main body 1 are connected together; the base plate 9 is connected with a clamping machine; the front clamping plate 10 and the clamping nut 11 on the clamping machine piston rod are clamped, kept in a pressure and loosened by the control of the clamping machine. In the utility model, the production requirements of qualified stator cores are satisfied by punching sheet laminating, welding and buckling of various wind power motor stators.

Description

A kind of wind power motor stator core laminates frock

Technical field

The utility model relates to the wind power motor stator core, especially relates to a kind of wind power motor stator core and laminates frock.

Background technology

The inside and outside footpath of wind power motor stator core size is big, internal diameter φ 590～φ 840, external diameter φ 850～φ 1080; Length is long by 800～1100, and required precision simultaneously is high, and particularly cylindricity flute profile evenness requires high; Some wind power motor stator core flute profile is a skewed slot; Gradient requires high, in view of the foregoing, must design a kind of frock that laminates to the wind power motor stator core.

Summary of the invention

The purpose of the utility model: design laminates frock, the production needs that various wind power motor stator punchings laminate to satisfy, welding or cramp become qualified stator core.

The technical scheme that the utility model is taked is: design laminates the frock main body, plectane such as location such as design 6 branches such as grade on the main body, and three is fixed head; Fix on the main body upper semi-circle, three is movable tightening plate, decides plate and main body is an one for three; Three movable tightening plates are fixed on the main body lower half circle and with main body one cycling start, mill to be processed, and adds at mill man-hour the main body both ends of the surface to be ground simultaneously, in the middle of fixed head, mills positioning spline on one; The gradient of positioning spline is identical with stator core flute profile gradient, and the projection on the positioning key is identical with stator core flute profile size, after main body machines; Take off three movable tightening plate marked, respectively bore, attack a M24 screw, be convenient to tensioner, unclamp at portable plate two ends; Make laminate meet unclamp closed assembly, clap, the tensioner compacting, positioning key is decided flute profile, precision is guaranteed by frock; Unclamp the principle of the demoulding, the design grip block at the stator core two ends guarantees that stator core two end plates or trim ring are concentric with motor stator core punching part; Hole dimension specific impulse sheet internal diameter is big by 0.1～0.15 in 2 grip blocks simultaneously, and wind-powered electricity generation motor stator core internal diameter and frock external diameter interference fit after the assurance tensioner are provided with the adjustment cushion block; Be convenient to the control of stator core length dimension, be convenient to the tightening plate tensioner, unclamp.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of frock main body;

Among the figure: 1, main body; 2, positioning key; 3, tightening plate; 4, front clamp plate; 5, back grip block; 6, tensioner screw; 7, preceding levelling cushion block; 8, back levelling cushion block; 9, base plate; 10, front pressuring plate; 11, pressing machine clamp nut; 12, fixed head; 13, step; 14, main body end face.

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is done further explain.

The utility model is that the wind power motor stator core laminates frock; Said wind power motor stator core laminates frock to be made up of main body 1, front clamp plate 4, back grip block 5, base plate 9 and front pressuring plate 10, looks to align cushion block 7 and back levelling cushion block 8 before whether the decision of stator core length dimension increases.

Said main body 1 is provided with 3 fixed heads 12 on upper semi-circle, 3, three fixed heads of three movable tightening plates 12 are set on the lower half circle fuse with main body 1; Three movable tightening plates 3 are fastened on the main body lower half circle, and with main body Vehicle Processing, mill processing, the radial dimension after three fixed heads 12 of main body and three movable tightening plate 3 Vehicle Processings are processed with mill is a hole dimension in the stator punching; The both ends of the surface 14 of main body are ground to add in main body and are ground simultaneously man-hour, guarantee stator core internal diameter and end face squareness, the flute profile of main body positioning key 2; On numerical control gantry mill, process, load onto flute profile gradient and glacing flatness that positioning key 2 backs guarantee the wind power motor iron core, said the utility model is provided with front clamp plate 4; Back grip block 5, front clamp plate 4 is littler 5 millimeters than stator punching external diameter with the external diameter of back grip block 5, design step 13 on front clamp plate 4 and back grip block 5 external diameters; The radial dimension of step 13 and stator core two ends trim ring internal diameter are moving joins, and the length dimension of step 13 equals trim ring thickness, guarantees the trim ring location; Said front clamp plate 4, back grip block 5 internal diameters are bigger by 0.1～0.15 than motor stator punching internal diameter, guarantee that the motor stator core internal diameter laminates the external diameter interference fit of circle after back and three location-plates of frock main body 12, three tightening plate 3 tensioners, prevents welding deformation; Said 3 tightening plates 3, owing to be to process simultaneously with main body 1, circularity and linearity precision are good; Be designed with the 2-M24 screw at the two ends of tightening plate 3, load onto tensioner screw 6, be convenient to tightening plate 3 tensioners and unclamp; Levelling cushion block 7 before said, back levelling cushion block 8, levelling cushion block 7,8 each 6 uniform thickness; Be separately fixed on base plate 9 and the pressing plate 10; Control stator core length dimension, be convenient on the tightening plate 3 tensioner screw 6 tensioners with unclamp, base plate 9 links together with main body 1; Base plate 9 is connected with press, and the clamp nut 11 on front pressuring plate 10 and the pressing machine piston rod is compressed, pressurize, unclamped by pressing machine control.

Below in conjunction with wind power motor stator core manufacturing process, the utility model is further described.

1, laminates: will laminate frock main body 1, positioning key 2 and load onto press, and trim ring behind the motor stator core will be contained on the step 13 of back grip block 5, and load onto on the main body 1 with back grip block 5 together with base plate 9, back levelling cushion block 8; Begin lamination then, lamination carries out on horizontal pressing machine, main body stationary positioned plate 12 and positioning key 2 lamination up during lamination; A folded last poststack, the good back of levelling trim ring makes back trim ring cylindrical welding groove align with the punching welding groove; Fold and clap, all fold upward up to punching and clap after the frock, with checkout chock gauge groove shape; After meeting the requirements, the front clamp plate 4 of the preceding trim ring of motor stator core is housed, adorns 3 tightening plates 3 respectively; Tightening plate 3 below elder generation's tensioner is distinguished 2 tightening plates 3 of 60 ° of directions of tensioner then, and the back that rotates, claps starts oil pump; Piston rod moves ahead, put in place stop after, press behind the front pressuring plate 10 that piece cushion block 7 is ditto adjusted in load and the press clamp nut 11 compress, the pressurize button; Compressing inspection stator core precision, length, linearity under the packing state, after meeting the requirements, prepare welding.

2, welding: before the welding pressure is adjusted to the welding pressure of regulation, be welded under the packing state and carry out, carbon-dioxide arc welding is adopted in welding; Weld article one during welding earlier, turn over 180 ° of weldering seconds, turn over the 3rd of 90 ° of weldering; Weld the back up to whole weld seams and stopped 3 minutes, under packing state, rotation cleaning crator, welding slag; After the completion, prepare the demoulding.

3, the demoulding: press the press release button before the demoulding; Unclamp and take off press clamp nut 11, take off front pressuring plate 10, unclamp and take off 3 tightening plates 3 together with preceding levelling cushion block 7; Take off front clamp plate 4, the wind power motor stator core is hung frock with special hanger.

Claims

1. a wind power motor stator core laminates frock; Said stator core is overrided to form by stator punching, it is characterized in that: said wind power motor stator core laminates frock to be made up of main body (1), front clamp plate (4), back grip block (5), base plate (9) and front pressuring plate (10), and base plate (9) is fixedly connected with main body (1); Said main body (1) is provided with 3 fixed heads (12) on upper semi-circle; Being provided with three on the lower half circle can tensioner and the movable tightening plate (3) that unclamps, and three fixed heads (12) fuse with main body (1), and three movable tightening plates (3) are fastened on main body (1) lower half circle; With main body (1) Vehicle Processing, mill processing; Radial dimension after three fixed heads (12) of main body and three movable tightening plates (3) Vehicle Processing are processed with mill is a hole dimension in the stator punching, and the both ends of the surface of main body (14) are ground to add in main body and ground simultaneously man-hour, guarantee stator core internal diameter and end face squareness; In the middle of fixed head (12), mill positioning spline on one; The gradient of positioning spline is identical with stator core flute profile gradient, is provided with positioning key (2) in the positioning spline, and the projection on the positioning key (2) is identical with stator core flute profile size; Front clamp plate (4) and back grip block (5) are installed on the main body (1); Between front clamp plate (4) and back grip block (5) for clap, stator punching to be suppressed, front pressuring plate (10) is positioned at front clamp plate (4) before, the adjacent front clamp plate (4) of living; Back grip block (5) is positioned between the base plate (9), adjacent firmly base plate (9).

2. a kind of wind power motor stator core as claimed in claim 1 laminates frock; It is characterized in that: in order to control the stator core length dimension; Be convenient to tightening plate (3) tensioner, unclamp; On base plate (9), be fixed with back levelling cushion block (8), levelling cushion block (7) before on front pressuring plate (10), being fixed with.

3. a kind of wind power motor stator core as claimed in claim 1 laminates frock; It is characterized in that: the external diameter of said front clamp plate (4) and back grip block (5) is littler 5 millimeters than stator punching external diameter; Design step (13) on front clamp plate (4) and back grip block (5) external diameter; The radial dimension of step (13) and stator core two ends trim ring internal diameter are moving joins; The length dimension of step (13) equals trim ring thickness, guarantees the trim ring location, and front clamp plate (4) and back grip block (5) internal diameter are bigger by 0.1～0.15 than stator punching internal diameter; Guarantee that the motor stator core internal diameter laminates the external diameter interference fit of circle after back and three location-plates of frock main body (12), three tightening plates (3) tensioner, prevents welding deformation.

4. a kind of wind power motor stator core as claimed in claim 1 laminates frock, it is characterized in that: the two ends of said tightening plate (3) are designed with the M24 screw, load onto tensioner screw (6), are convenient to tightening plate (3) tensioner and unclamp.