CN216312898U

CN216312898U - Station arrangement structure for manufacturing shaft hole single-key rotor core

Info

Publication number: CN216312898U
Application number: CN202122904318.0U
Authority: CN
Inventors: 陈伟力; 李六松; 周辉勇; 张勇
Original assignee: Ningbo Zhenyu Technology Co Ltd
Current assignee: Ningbo Zhenyu Technology Co Ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-15
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a station arrangement structure for manufacturing a shaft hole single-key rotor core, which comprises N shaft hole punching stations (2) which are sequentially arranged in the advancing direction of a strip material (1), wherein a blanking station (3) is arranged behind the last shaft hole punching station (2), each shaft hole punching station (2) is provided with a shaft hole male die capable of punching a single-key shaft hole (9) with the same shape, the arrangement of the front shaft hole male die in the advancing direction of the strip material (1) is completely consistent with that of the rear shaft hole male die after the front shaft hole male die rotates for 360 degrees/N, and a rotatable blanking female die is arranged on the blanking station (3). The utility model can be used for manufacturing the motor rotor core with the single key in the shaft hole, and the manufactured motor rotor core can effectively eliminate the influence of the same plate difference.

Description

Station arrangement structure for manufacturing shaft hole single-key rotor core

Technical Field

The utility model relates to the technical field of motor iron cores, in particular to a station arrangement structure for manufacturing a shaft hole single-key rotor iron core.

Background

As shown in figure 1, the motor rotor core is provided with a key matched with a rotating shaft due to the fact that the shaft hole is provided with the key, only one station can generally process the shaft hole in the existing stations arranged along the length direction of the strip material, after the shaft hole is processed by the station, the strip material continues to step until the strip material is punched and stacked, the thickness of the strip material is uniform, certain same plate difference exists, for example, in the width direction of the strip material, if the upper end is thicker than the lower end is thinner than the lower end, after the plurality of iron core single plates are stacked, the thickness difference of the strip material can be amplified, and the precision and the performance of the obtained iron core finished product can be influenced to a certain extent due to the influence of the same plate difference. Therefore, it is urgently needed to develop a new station arrangement structure, so that the influence caused by the same plate difference can be eliminated after the plurality of iron core single sheets are punched, fallen and stacked.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a station arrangement structure for manufacturing a shaft hole single-key rotor core. The utility model can be used for manufacturing the motor rotor core with the single key in the shaft hole, and the manufactured motor rotor core can effectively eliminate the influence of the same plate difference.

The technical scheme of the utility model is as follows: a station structure of arranging for manufacturing of shaft hole single bond rotor core, including arranging in proper order in the ascending N of strip material advancing direction and towards the shaft hole station, the last one is towards the shaft hole station and is equipped with the blanking station at the back, all is equipped with the shaft hole terrace die that can punch out the same shape single bond shaft hole on every is towards the shaft hole station, and the last one shaft hole terrace die on the strip material advancing direction is in the same place with arranging of the terrace die of next shaft hole promptly after having rotated 360/N, be equipped with rotatable blanking die on the blanking station.

Compared with the prior art, the utility model has the beneficial effects that: the utility model sets N punching shaft hole stations in the advancing direction of the strip material, which can be used for punching and processing single-key shaft holes, more importantly, the arrangement angles of shaft hole convex dies on each punching shaft hole station are different, and the single-key shaft hole punched by the front shaft hole convex die can be completely consistent with the profile of the single-key shaft hole punched by the rear shaft hole convex die after rotating 360 degrees/N around the center of the single-key shaft hole through the angle arrangement of the front and rear shaft hole convex dies, therefore, the single iron core sheets punched at each time at the blanking station can be ensured to be mutually aligned when being laminated only by rotating 360 degrees/N along with the blanking concave die, and meanwhile, the influence of the same-plate difference can be effectively eliminated.

In the station arrangement structure for manufacturing the shaft hole single-key rotor core, a guide hole punching station, a through hole punching station, a magnet slot punching station, a metering hole punching station and a buckling point punching station are further arranged in the advancing direction of the strip material.

In the station structure of arranging that is used for shaft hole single bond rotor core to make, the quantity that dashes the shaft hole station is 4, all is equipped with corresponding terrace die on dashing through-flow hole station, towards magnet groove station, towards measurement hole station and the point station of detaining of dashing, is used for blanking out through-flow hole, magnet groove, measurement hole and detaining the point respectively, and the through-flow hole that punches out, magnet groove, measurement hole and detain the outside that the point all distributes in the single bond shaft hole, distribute along the circumference, quantity is 4 integer multiples.

In the station arrangement structure for manufacturing the shaft hole single-key rotor core, the number of the magnet slot punching stations is two, and the two magnet slot punching stations and the two shaft hole punching stations are located at the same position in the traveling direction of the bar material.

In the station arrangement structure for manufacturing the shaft hole single-key rotor core, the punching buckling point station and one of the shaft hole punching stations are located at the same position in the traveling direction of the strip material.

Drawings

FIG. 1 is a schematic structural view of a shaft-hole single bond rotor core made in accordance with the present invention;

figure 2 is a schematic view of the arrangement of the present invention after application to a strip.

Reference numerals: 1-strip material, 2-shaft hole punching station, 3-blanking station, 4-guide hole punching station, 5-through hole punching station, 6-magnet groove punching station, 7-metering hole punching station, 8-buckling point punching station, 9-shaft hole, 10-through hole, 11-magnet groove, 12-metering hole, 13-buckling point and 14-idle station.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not to be construed as limiting the utility model.

Example (b): a station structure of arranging for manufacturing of shaft hole single bond rotor core, the structure can roughly refer to figure 2, including arrange 4 in proper order in 1 advancing direction of strip material towards shaft hole station 2, last one towards shaft hole station 2 and be equipped with blanking station 3 at the back, every towards shaft hole station 2 on all be equipped with the shaft hole terrace die that can punch out the same shape single bond shaft hole 9, rotate 90 back in the last shaft hole terrace die on 1 advancing direction of strip material promptly with arranging of the terrace die of next shaft hole completely unanimous, be equipped with rotatable blanking die on the blanking station 3.

The angular arrangement of the four shaft hole male dies means that the single-key shaft hole 9 punched by the former shaft hole male die can be completely consistent with the profile of the single-key shaft hole 9 punched by the latter shaft hole male die after rotating for 90 degrees around the center of the single-key shaft hole 9.

Preferably, a guide hole punching station 4, a through hole punching station 5, a magnet slot punching station 6, a measuring hole punching station 7 and a buckling point punching station 8 are further arranged in the advancing direction of the strip 1.

Preferably, the through-flow hole punching station 5, the magnet slot punching station 6, the metering hole punching station 7 and the buckling point punching station 8 are respectively provided with corresponding male dies for punching out the through-flow holes 10, the magnet slots 11, the metering holes 12 and the buckling points 13, and the punched through-flow holes 10, the magnet slots 11, the metering holes 12 and the buckling points 13 are all distributed on the outer side of the single-key shaft hole 9 and are distributed along the circumference, and the number of the through-flow holes, the magnet slots 11, the metering holes 12 and the buckling points 13 is 8.

The fastening points 13 are used for fastening with other fastening points 13 or the metering holes 12, so that the iron core single sheets can be connected with each other after being stacked.

Preferably, the number of the magnet slot punching stations 6 is two, the two magnet slot punching stations 6 act on each single iron core sheet, so that each single iron core sheet is provided with 16 magnet slots 11, the two magnet slot punching stations 6 are respectively positioned at the same position in the advancing direction of the strip material 1 with the first magnet slot punching station 2 and the third magnet slot punching station 2, and the setting space of the stations is effectively saved.

Preferably, the punching buckling point station 8 and the last punching shaft hole station 2 are located at the same position in the advancing direction of the strip 1, and the arrangement space of the stations is effectively saved.

Preferably, an idle station 14 is further arranged between the last shaft hole punching station 2 and the blanking station 3 and used for abdicating a rotating mechanism of the blanking female die on the blanking station 3.

When the blanking die works, a strip material 1 is continuously fed forwards in a stepping mode, a pair of pilot holes are punched firstly, through-flow holes 10 are punched, then a first group of magnet slots 11 are punched, one of 4 shaft hole punching stations 2 works, shaft holes 9 are punched, a second group of magnet slots 11 can be punched before the shaft holes 9 and can also be punched after the shaft holes 9, the metering holes 12 or buckling points 13 are punched according to the position of the shaft holes 9, blanking is finished finally, after each blanking, the blanking die rotates by 90 degrees to wait for next blanking, iron core single sheets after blanking are stacked in the blanking die, keys of the shaft holes 9 can be kept aligned, and the iron core single sheets are separated from the blanking die after the number of sheets required by an iron core finished product is reached.

Regarding punching of the measuring holes 12 or the fastening points 13, in one iron core finished product, punching of the measuring holes 12 is performed on the first iron core sheet that is blanked, and punching of the fastening points 13 is performed on the remaining iron core sheets that are blanked except for the first iron core sheet.

The female dies matched with the male dies are arranged in the male dies, and the male dies matched with the female dies are arranged in the female dies.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned examples, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. A station structure of arranging for shaft hole single bond rotor core makes, its characterized in that: including arranging in proper order in a strip material (1) advancing direction's N a towards shaft hole station (2), last one towards shaft hole station (2) is equipped with blanking station (3) at the back, all is equipped with the shaft hole terrace die that can punch out same shape single bond shaft hole (9) on every towards shaft hole station (2), and the last one shaft hole terrace die that advances along strip material (1) advancing direction is being changeed 360/N after promptly with arranging of back one shaft hole terrace die unanimous completely, be equipped with rotatable blanking die on blanking station (3).

2. The station arrangement structure for manufacturing the shaft hole single-key rotor core according to claim 1, characterized in that: the strip material (1) is also provided with a guide hole punching station (4), a through hole punching station (5), a magnet slot punching station (6), a metering hole punching station (7) and a buckle point punching station (8) in the advancing direction.

3. The station arrangement structure for manufacturing the shaft hole single-key rotor core according to claim 2, is characterized in that: the quantity of punching shaft hole station (2) is 4, all is equipped with corresponding terrace die on punching through-flow hole station (5), towards magnet groove station (6), towards measurement hole station (7) and towards knot point station (8), is used for blanking out through-flow hole (10), magnet groove (11), measurement hole (12) and knot point (13) respectively, and the through-flow hole (10), magnet groove (11), measurement hole (12) and the knot point (13) that punch out all distribute in the outside in single bond shaft hole (9), distribute along the circumference, and quantity is 4's integer multiples.

4. The station arrangement structure for manufacturing the shaft hole single-key rotor core according to claim 3, characterized in that: the number of the magnet slot punching stations (6) is two, and the two magnet slot punching stations (6) and the two shaft hole punching stations (2) are located at the same position in the advancing direction of the strip material (1).

5. The station arrangement structure for manufacturing the shaft hole single-key rotor core according to claim 2, is characterized in that: the punching buckling point station (8) and one of the punching shaft hole stations (2) are located at the same position in the advancing direction of the strip material (1).