A kind of fanning strip punching electric machine iron core laminates frock
Technical field
The utility model relates to electric machine stator iron technology of pressure mounting field, especially relates to a kind of fanning strip punching motor stator core and laminates frock.
Background technology
In order to reduce product cost, change stator punching into 4 fanning strips by full wafer and form, as illustrated in figs. 1 and 2, the electric machine iron core closed assembly changes the fanning strip closed assembly into by the full wafer closed assembly, therefore must design a kind of frock that laminates at fanning strip.
Summary of the invention
The purpose of this utility model: design closed assembly frock laminates the production needs that are welded into qualified stator core to satisfy fanning strip.
The technical solution adopted in the utility model is: the frock main body guarantees circle location in the fanning strip; 4 positioning keys are set on main body, guarantee that every group of fanning strip rotates howsoever, one key location is all arranged, guarantee flute profile Strategy Software Systems Co., Ltd (SSS), design two grip blocks and guarantee iron core length consistent size, cushion block is set to satisfy the various serial sizes of a kind of product (length size difference) production needs, outer plate is set prevents welding deformation.
A kind of fanning strip punching electric machine iron core laminates frock, it is characterized in that: described frock is made up of main body, last grip block, pressing plate, outer plate, levelling cushion block, following grip block, pressing plate and press location-plate; Main body is positioned on the press location-plate, and the outside dimension of main body equals the interior hole dimension of stator core that the fanning strip punching is formed, and has 4 flute profile positioning keys on the main body external diameter end face, guarantees that every group of fanning strip rotates howsoever, and key location is all arranged; Be provided with two grip blocks up and down along main body external diameter end face; On two grip block external diameters, according to different product, the outer plate of different numbers is set, on the grip block, hole dimension in guaranteeing prevented welding deformation about outer plate was fastened on; Between following grip block and press location-plate contour levelling cushion block is set and is used to adjust length unshakable in one's determination, be provided with pressing plate on last grip block, pressing plate is provided with the press clamp nut.
Described a kind of fanning strip punching electric machine iron core laminates frock, it is characterized in that: described two grip block uniform thickness up and down, and boring ratio main body cylindrical actual size is big by 0.1 ~ 0.2 in the grip block, is convenient to press-fit; The grip block outside dimension is littler by 0.1 ~ 0.2 than fanning strip external diameter, is convenient to external diameter and compresses.
Described a kind of fanning strip punching electric machine iron core laminates frock, it is characterized in that: described pressing plate external diameter should be convenient to compress the back welding and step down than the grip block external diameter is little by 20 ~ 30 up and down.
Described a kind of fanning strip punching electric machine iron core laminates frock, it is characterized in that: described outer plate is 4 or 8, external splint is fastened on up and down and compresses the fanning strip stator core on the grip block, fanning strip stator core endoporus and main body are combined closely, guarantee fanning strip stator core endoporus dimensional accuracy, prevent welding deformation.
Described a kind of fanning strip punching electric machine iron core laminates frock, it is characterized in that: described adjustment cushion block is 3~6, the height that the thickness of adjusting cushion block equals main body deduct 2 up and down grip block thickness sum deduct the required length that press-fits the fanning strip electric machine stator iron again.
Described a kind of fanning strip punching electric machine iron core laminates frock, and it is characterized in that: the external diameter end face of described main body should be vertical with the upper and lower end face of main body, and the both ends of the surface up and down of described main body are parallel to each other.
Described a kind of fanning strip punching electric machine iron core laminates frock, it is characterized in that: 4 flute profile positioning keys are along the external diameter end face five equilibrium of main body, and positioning key is the notch location.
The utility model can satisfy fanning strip and laminate the production needs that are welded into qualified stator core.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is the product schematic diagram that the utility model is produced;
Fig. 2 is a product structure assembling schematic diagram;
Fig. 3 is the body element front view;
Fig. 4 is the body element end view;
Fig. 5 is the tool structure schematic diagram;
In the accompanying drawing 1, main body, 2, grip block down, 3, positioning key, 4, pressing plate, 5, outer plate, 6, the levelling cushion block, 7, the press location-plate, 8, the press clamp nut, 9, go up grip block.
Embodiment
The utility model is that fanning strip punching electric machine iron core laminates frock, described fanning strip punching electric machine iron core laminates frock to be made up of main body 1, last grip block 9, positioning key 3, pressing plate 4, outer plate 5, adjustment cushion block 6, press location-plate 7, press clamp nut 8 and following grip block 2, as shown in Figure 5.
The precision that described fanning strip punching electric machine iron core laminates the main body 1 of frock directly influences product precision behind the closed assembly, the main body outside dimension is a hole dimension in the stator core, tolerance is the median of stator core endoporus tolerance, in order to guarantee the perpendicularity of fanning strip electric machine stator iron endoporus and fanning strip unit stator core end face, the external diameter end face of main body 1 should be vertical with the upper and lower end face of main body 1, by making main body 1 technology: the clamping in the upper and lower end face of main body external diameter end face and main body 1 grinds simultaneously, thereby the external diameter end face that guarantees main body 1 is vertical with the both ends of the surface up and down of main body 1, the both ends of the surface up and down of main body 1 are parallel to each other, thereby guaranteed to laminate, fanning strip stator core endoporus in welding back is parallel with both ends of the surface, as shown in Figure 3.
Described fanning strip punching electric machine iron core laminates frock, 4 keyways on the main body 1 should be vertical with the upper and lower end face of frock main body 1 and parallel with external diameter, article 4, the position of halving degree of keyway is accurate more good more, so 4 keyway processing should be ground in the good online cutting in back at main body 1 external diameter end face and be carried out, guarantee the precision after positioning key is bumped into, thereby guarantee that the folded fanning strip stator core flute profile of institute is neat, as shown in Figure 4.
Described fanning strip punching electric machine iron core design has last grip block 9 and following grip block 2, and grip block is answered uniform thickness, and boring ratio main body cylindrical actual size is big by 0.1 ~ 0.2 in two grip blocks, and the grip block outside dimension is littler by 0.1 ~ 0.2 than fanning strip external diameter, is convenient to compress; Positioning key slot to make way on fanning strip stator core inside and outside circle and two grip blocks should be bigger by 0.2 than positioning key, so that install, according to fanning strip stator core welding requirements, milling the welding slot to make way on the grip block up and down, is convenient to welding.
Described fanning strip punching electric machine iron core laminates frock and is provided with 4 positioning keys 3 and is bumped into reliably in the positioning spline of main body 1, positioning key changes flute profile and orientates the notch location as, be convenient to the closed assembly and the demoulding, guarantee flute profile Strategy Software Systems Co., Ltd (SSS) dislocation-free, the positioning key precision should meet: after being bumped into positioning key, positioning key notch localization part position of halving degree and bottom surface perpendicularity meet the drawing requirement, and flute profile is neat when guaranteeing fanning strip stator core closed assembly.
Described fanning strip punching electric machine iron core laminates the frock design pressing plate 4, pressing plate 4 should have sufficient intensity, the pressing plate external diameter should be than the grip block external diameter is little by 20 ~ 30 up and down, be convenient to compress the back welding and step down, design outer plate 5 is provided with (5) 4 or 8 of outer plates according to different product, external splint 5 is fastened on up and down and compresses the fanning strip stator core on the grip block, fanning strip stator core endoporus and frock main body 1 are combined closely, guarantee fanning strip stator core endoporus dimensional accuracy, prevent welding deformation.
Described fanning strip punching electric machine iron core is provided with adjusts cushion block 6, adjust 3 to 6 of cushion blocks according to the various Series Design that identical product, length are different, be placed on down between grip block and the press tool locating plate 7, fanning strip electric machine stator iron both ends of the surface are parallel after guaranteeing the fanning strip unit stator iron core pressing, the height that the thickness of adjusting cushion block equals main body 1 deduct 2 up and down grip block thickness sum deduct the required length that press-fits the fanning strip electric machine stator iron again.
Laminating technology below in conjunction with the fanning strip electric machine stator iron laminates frock to the fanning strip electric machine iron core and makes operation instruction:
1. the fanning strip electric machine stator iron that will install positioning key 3 laminates frock main body 1 and is placed on the fanning strip electric machine stator iron pressing machine location-plate 7, evenly place the adjustment cushion block 6 that meets the fanning strip stator core length of pressing, to descend grip block 2 to load onto frock main body 1, prepare lamination;
2. be one deck according to fanning strip closed assembly thickness about 12.5, the requirement that is rotated counterclockwise, according to the length layering of folded fanning strip stator core, the principle of layering is: thus bottom one deck answers consistency from top to bottom to determine the layering number of plies and every number of lamina with the seam of 4 groups of fanning strip punchings of one deck topmost;
3. earlier folded ground floor during lamination, 4 groups of fanning strip punchings of ground floor are inserted on request clap after laminating tool locating key 3, by being rotated counterclockwise the folded second layer of requirement, folded the 3rd layer then, the rest may be inferred up to all fanning strip punchings are folded, clap, after checking that flute profile is qualified, load onto grip block 9 and pressing plate 4, dress fanning strip pressing machine clamp nut compresses the back by fanning strip electric machine stator iron pressing machine and checks fanning strip stator core length precision, according to the principle that returns the overcharge and demand payment of the shortage, unclamp pressing machine clamp nut 8 after precision is reliable, outer plate 5 is contained in up and down on the grip block 2, compress iron core after, prepare welding;
4. be welded under the packing state and carry out, welding adopts carbon-dioxide arc welding to weld automatically;
5. the demoulding after welding is finished; Unclamp press clamp nut 8 before the demoulding, take off pressing plate 4, outer plate 5 and go up grip block 9, by fanning strip unit stator iron core pressing machine main body 1, following grip block 2 are ejected together with the fanning strip electric machine stator iron, adding other auxiliary contour cushion block between grip block 2 and the pressing machine tool locating plate 7 down, dress pressing machine clamp nut 8 extrudes the demoulding with main body 1 from electric machine stator iron.