CN215452746U

CN215452746U - Stator core clamp

Info

Publication number: CN215452746U
Application number: CN202121244009.9U
Authority: CN
Inventors: 杨明
Original assignee: Foshan Mili 3d Technology Co ltd
Current assignee: Foshan Mili 3d Technology Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-01-07
Anticipated expiration: 2031-06-04

Abstract

The utility model relates to a stator core clamp, which belongs to the technical field of stator cores and comprises a placing piece, a clamping piece and a clamping piece, wherein the placing piece is provided with a placing groove matched with the stator core and used for placing the stator core; and the clamping piece is arranged in the placing piece and slides inwards to fix the stator core in the placing groove when the placing piece rotates. The structure of the utility model adopts an eccentric sliding groove mode, so that the cam disc can drive the isolation limiting rod to do linear motion towards the inside and outside of the circle center only by simple rotary motion, namely the transition of the rotary motion and the linear motion is realized in a limited space; the isolation limiting rod can clamp the workpiece and play a role in improving the stator structure.

Description

Stator core clamp

Technical Field

The utility model relates to the technical field of stator cores, in particular to a stator core clamp.

Background

The stator core is an important component of the magnetic circuit of the motor, and the stator core, the rotor core and the air gap between the stator and the rotor form a complete magnetic circuit of the motor. In an asynchronous machine, the magnetic flux in the stator core is alternating, thus creating core losses.

When the existing winding machine is used for fixing the stator core, no clamping action is performed, and a workpiece may be displaced in the winding process to influence the product quality.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a stator core fixture to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

stator core anchor clamps include: the placing piece is provided with a placing groove matched with the stator core and used for placing the stator core;

and the clamping piece is arranged in the placing piece and slides inwards to fix the stator core in the placing groove when the placing piece rotates.

As a further technical solution of the present invention, the placing member includes:

the lower clamp seat is provided with a first through hole matched with the stator core;

the upper clamp seat is provided with a second through hole matched with the stator core; and

the cam disc is provided with a third through hole matched with the stator core, a plurality of arc-shaped sliding grooves are formed in the outer portion of the third through hole, and the cam disc is arranged between the lower clamp seat and the upper clamp seat and is in rotating connection with the lower clamp seat and the upper clamp seat.

As a further aspect of the present invention, the clamping member includes:

the first isolation limiting rod is arranged in the lower clamp seat and is in sliding connection with the lower clamp seat;

the first fixed shaft of arc spout is established in the activity, first fixed shaft one end and first isolation gag lever post fixed connection, when the cam disc rotated, the first gag lever post of keeping apart of arc spout drive was inwards slided.

As a still further aspect of the present invention, the clamping member further includes:

the second isolation limiting rod is arranged in the upper clamp seat and is in sliding connection with the upper clamp seat;

the second fixing shaft is movably arranged in the arc-shaped sliding groove, and one end of the second fixing shaft is fixedly connected with the second isolation limiting rod; when the cam disc rotates, the arc-shaped chute drives the second isolation limiting rod to slide inwards.

As a further technical solution of the present invention, a plurality of insulating members are disposed in the stator core, and both ends of the insulating members extend out of the stator core.

Compared with the prior art, the utility model has the beneficial effects that:

1. the structure adopts an eccentric sliding groove mode, so that the cam disc can drive the isolation limiting rod to do linear motion towards the inside and the outside of the circle center only by simple rotary motion, and the transition of the rotary motion and the linear motion is realized in a limited space.

2. The isolation limiting rod can clamp the workpiece and play a role in improving the stator structure.

Drawings

FIG. 1 is an exploded view of the present invention in operation;

FIG. 2 is a schematic structural view of a stator core of the present invention when insulating slot paper is installed;

FIG. 3 is an exploded view of the present invention;

fig. 4 is a schematic structural view of the stator core of the present invention when mounted;

fig. 5 is a sectional view of the present invention after the stator core is installed;

FIG. 6 is a sectional view showing a cam plate rotated after a stator core is installed in the present invention;

FIG. 7 is a schematic view showing a structure of the stator core of the present invention when the stator core is clamped and then the coil is wound;

fig. 8 is a sectional view of the stator core of the present invention when the stator core is clamped and then the coil is wound;

fig. 9 is a schematic structural view of the stator core of the present invention taken out after winding.

In the figure: 1-lower clamp seat, 11-first chute, 2-cam disc, 21-arc chute, 3-clamping piece, 31-first isolation limiting rod, 32-second isolation limiting rod, 33-first fixed shaft, 34-second fixed shaft, 4-upper clamp seat, 41-second chute, 5-stator iron core, 51-notch, 6-insulating slot paper and 7-coil.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The embodiment of the present invention is realized in such a way that the stator core 5 jig shown in fig. 1 includes:

the placing piece is provided with a placing groove matched with the stator core 5 and used for placing the stator core 5;

and the clamping piece 3 is arranged in the placing piece, and when the placing piece rotates, the clamping piece 3 slides inwards to fix the stator core 5 in the placing groove.

This embodiment is when practical application, puts into stator core 5 in the standing groove of placing the piece, then rotates and places the piece, and 3 inside slideings of clamping piece this moment to it is fixed with stator core 5 all around to follow, has avoided the wire winding process to probably cause stator core 5 to produce the displacement and influence the condition of product quality and take place, and the piece is placed in the back antiport again after the wire winding is accomplished, thereby takes out stator core 5 after accomplishing the wire winding.

As shown in fig. 3, as a preferred embodiment of the present invention, the placement member includes:

the lower clamp seat 1 is provided with a first through hole matched with the stator core 5;

the upper clamp seat 4 is provided with a second through hole matched with the stator core 5; and

the cam disc 2 is provided with a third through hole matched with the stator core 5, a plurality of arc-shaped sliding grooves 21 are formed in the outer portion of the third through hole, and the cam disc 2 is arranged between the lower clamp seat 1 and the upper clamp seat 4 and is in rotating connection with the lower clamp seat 1 and the upper clamp seat 4.

In one case of this embodiment, the placing groove is a groove surrounded by the first through hole, the second through hole, and the third through hole, and is used for placing the stator core 5, the cam disc 2 is rotated after the stator core 5 is placed, and the clamping member 3 is driven by the cam disc 2 to slide inwards to clamp the stator core 5, preferably, the two sides of the cam disc 2 are both provided with arc chutes 21, and if necessary, the arc chutes 21 at the two sides can be communicated, so as to facilitate control of the clamping member 3.

As another preferred embodiment of the present invention, as shown in fig. 3 to 9, the clamping member 3 includes:

the first isolation limiting rod 31 is arranged in the lower clamp seat 1 and is connected with the lower clamp seat in a sliding manner;

the first fixing shaft 33 is movably arranged on the arc chute 21, one end of the first fixing shaft 33 is fixedly connected with the first isolation limiting rod 31, and when the cam plate 2 rotates, the arc chute 21 drives the first isolation limiting rod 31 to slide inwards.

In one aspect of the present embodiment, the first fixed shaft 33 is rotatably and slidably disposed in the arc-shaped sliding groove 21, the first isolation limiting rod 31 is limited by the lower clamp base 1 to only slide inward and outward, and when the cam disc 2 is subjected to an external force, the arc-shaped sliding groove 21 cooperates with the first fixed shaft 33 to drive the first isolation limiting rod 31 to slide, in order to ensure stability of sliding, the first sliding groove 11 cooperating with the first isolation limiting rod 31 is formed on the upper surface of the lower clamp base 1, preferably, a plurality of first sliding grooves 11 and the first isolation limiting rods 31 are disposed radially, so that clamping is more stable, the first isolation limiting rod 31 is in the position shown in fig. 5 before the cam disc 2 is not rotated, and the first isolation limiting rod 31 is in the position shown in fig. 6 after the rotation, so as to achieve stable fixation of the stator core 5.

As another preferred embodiment of the present invention, as shown in fig. 3 to 9, the clamping member 3 further includes:

the second isolation limiting rod 32 is arranged in the upper clamp seat 4 and is connected with the upper clamp seat in a sliding manner;

a second fixed shaft 34 movably arranged in the arc-shaped sliding groove 21, wherein one end of the second fixed shaft 34 is fixedly connected with a second isolation limiting rod 32; when the cam plate 2 rotates, the arc chute 21 drives the second separation limit rod 32 to slide inwards.

In one aspect of the present embodiment, the second fixed shaft 34 is rotatably and slidably disposed in the arc chute 21, the second isolation limiting rod 32 is limited by the upper clamp seat 4 to only slide inside and outside, and when the cam plate 2 is subjected to an external force, the arc chute 21 and the second fixed shaft 34 cooperate to drive the second isolation limiting rod 32 to slide, in order to ensure the stability of the sliding, a second chute 41 cooperating with the second isolation limiting rod 32 is formed on the lower surface of the upper clamp seat 4, preferably, a plurality of second chutes 41 and second isolation limiting rods 32 are disposed radially, so that the clamping is more stable, the first isolation limiting rod 31 is in the position shown in fig. 5 before the cam plate 2 is not rotated, the first isolation limiting rod 31 is in the position shown in fig. 6 after the rotation, i.e. to achieve the stable fixation of the stator core 5, the second isolation limiting rods 32 may be disposed or staggered with respect to the first isolation limiting rods 31, therefore, the first isolation limiting rods 31 and the second isolation limiting rods 32 are arranged on the two sides of the cam plate 2 respectively and matched, and the fixing stability of the stator core 5 is improved.

As shown in fig. 1 and 2, a plurality of insulating members are disposed in the stator core 5, and both ends of the insulating members extend out of the stator core 5.

In one aspect of this embodiment, the insulating member may be the insulating slot paper 6, in order to facilitate installation of the insulating slot paper 6, the stator core 5 is provided with a plurality of notches 51 matching with the insulating slot paper 6, preferably, the plurality of notches 51 are uniformly distributed on the stator core 5, the insulating slot paper 6 is tightly attached to the inner wall of the notches 51 during installation, and two ends of the insulating slot paper are slightly higher than two end faces of the stator core, so that the existing insulating plastic is avoided, because the insulating plastic comprises an upper part and a lower part, the material cost and the labor cost are relatively high, and the material cost and the labor cost are reduced by arranging the insulating slot paper 6; during the wire winding, treat that clamping piece 3 presss from both sides tight stator core 5 after, other mechanisms just can begin to work, wind into coil 7 around stator core 5 to adjacent insulation paper 6 to reach the processing mesh, in addition, insulation paper 6 avoids wire winding in-process enameled wire and 5 sharp limit contacts of stator core and by the fish tail, and leads to the bad risk of product.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Stator core anchor clamps, its characterized in that includes:

the placing piece is provided with a placing groove matched with the stator core and used for placing the stator core;

2. The stator core fixture of claim 1, wherein the placement member comprises:

3. The stator core clamp of claim 2, wherein the clamp member comprises:

4. The stator core clamp of claim 3, wherein the clamp further comprises:

5. The stator core fixture of claim 1, wherein a plurality of insulators are disposed within the stator core, the insulators extending from the stator core at both ends.