CN211089387U

CN211089387U - Inner stator iron core notch powder spraying prevention device

Info

Publication number: CN211089387U
Application number: CN201922298353.5U
Authority: CN
Inventors: 胡永贺
Original assignee: Dongguan Yitie Metal Products Co ltd
Current assignee: Dongguan Yitie Metal Products Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-07-24
Anticipated expiration: 2029-12-19

Abstract

The utility model relates to a stator processing technology field especially discloses an inner stator iron core notch device of not dusting, including anchor clamps and many intubate, anchor clamps include the main part and connect respectively in two installation departments at main part both ends, the main part is cylindricly, a plurality of storage tanks have been seted up to the main part, the opening of storage tank sets up in the outer peripheral face of main part, forms clamping part, many between the adjacent storage tank the intubate all includes the grafting portion in the embedding storage tank and the protruding portion of being connected with the grafting portion, protruding portion is used for inserting the notch of inner stator iron core. The utility model discloses can avoid the notch coated at the in-process protection notch of dusting coating formation insulating layer including stator core, arouse the notch size to diminish, finally lead to unable wire winding, its simple structure, convenient to use, the practicality is strong.

Description

Inner stator iron core notch powder spraying prevention device

Technical Field

The utility model relates to a stator processing technology field especially discloses an inner stator iron core notch powder spray device not.

Background

The stator is an important part of a motor such as a generator and a starter, and mainly has the function of generating a rotating magnetic field, and is generally divided into an inner stator and an outer stator. The stator core is an important component of the inner stator and mainly comprises a yoke part and a plurality of tooth parts arranged on the inner side of the yoke part in the circumferential direction, a stator slot is formed by the adjacent tooth parts and the inner side ring surface of the yoke part, and the stator slot comprises a slot opening. When the inner stator is produced, the outer surfaces of the yoke part and the tooth part are coated with powder to form an insulating layer, and the inner wall of the notch and the inner end face of the tooth part are not required to be coated with the insulating layer to form the insulating layer. However, in the powder spraying process of the conventional inner stator core, the notch is often easily sprayed and coated together to form an insulating layer, so that the size of the notch is reduced, and finally, the winding cannot be performed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming and the not enough that exist among the prior art, the utility model aims to provide an inner stator core notch device of not dusting, the device can avoid the notch to be scribbled at the in-process protection notch that the coating formed the insulating layer of dusting including stator core, arouses the notch size to diminish, finally leads to unable wire winding.

In order to achieve the above object, the object of the present invention is achieved by the following technical solutions: the utility model provides a device does not dusting of interior stator iron core notch, includes anchor clamps and many intubate, anchor clamps include the main part and connect respectively in two installation departments at main part both ends, the main part is cylindricly, a plurality of storage tanks have been seted up to the main part, the opening of storage tank sets up in the outer peripheral face of main part, forms clamping part between the adjacent storage tank, many the intubate is including embedding the grafting portion in the storage tank and the protruding portion of being connected with the grafting portion, protruding portion is used for inserting the notch of interior stator iron core.

Furthermore, the plurality of accommodating grooves are distributed on the main body part in an annular array.

Further, the clamp is made of a teflon material.

Further, the cannula is a silica gel cannula.

Furthermore, each of the insertion tubes comprises an insertion part embedded in the containing groove and a protruding part connected with the insertion part, and the protruding part is used for being inserted into a notch of the inner stator iron core.

Furthermore, the longitudinal section of the insertion tube is rectangular or round-corner rectangular.

Further, two installation portions of the clamp are cylindrical, the installation portions and the main body portion are coaxially arranged, and the outer diameter of the main body portion is larger than that of the installation portions.

Furthermore, a plurality of inserting pipes are detachably connected with the clamp.

Further, the central axis of the cannula and the central axis of the main body part are parallel.

The utility model has the advantages that: the utility model discloses inner stator iron core notch powder spraying device includes anchor clamps and many intubate, during the use, the inner stator iron core passes anchor clamps, inner terminal surface and the anchor clamps butt of inner stator tooth portion, partly peg graft in the storage tank of intubate, another part be used for protruding notch of going into the inner stator iron core and with the both sides inner wall butt of notch, when the coating is dusted with formation insulating layer to the inner stator iron core, the notch inner wall of notch both sides and the inner terminal surface of inner stator tooth portion can be protected, not by the spraying. The utility model discloses can avoid the notch coated at the in-process protection notch of dusting coating formation insulating layer including stator core, arouse the notch size to diminish, finally lead to unable wire winding, its simple structure, convenient to use, the practicality is strong.

Drawings

Fig. 1 is a front view of the clamp of the present invention.

Fig. 2 is a cross-sectional view of the clamp a-a of the present invention.

Fig. 3 is a front view of the cannula of the present invention.

Figure 4 is a cross-sectional view of the cannula insertion clamp of the present invention.

Fig. 5 is a sectional view of an inner stator core.

The reference numerals include:

11-main body 12-accommodation groove 13-mounting portion

14-clamping part 15-cannula 16-projection

17-plug part 21-yoke part 22-tooth part

23-notch 24-notch inner wall.

25-inner end surface

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

Referring to fig. 1 to 4, a powder spraying prevention device for a notch 23 of an inner stator iron core comprises a clamp and a plurality of insertion tubes 15, wherein the clamp comprises a main body portion 11 and two installation portions 13 respectively connected to two ends of the main body portion 11, the main body portion 11 is cylindrical, the main body portion 11 is provided with a plurality of accommodating grooves 12, openings of the accommodating grooves 12 are formed in the outer peripheral surface of the main body portion 11, a clamping portion 14 is formed between adjacent accommodating grooves 12, the plurality of insertion tubes 15 are axially inserted into the corresponding accommodating grooves 12 along the main body portion 11, the plurality of insertion tubes 15 comprise insertion portions 17 embedded into the accommodating grooves 12 and protruding portions 16 connected with the insertion portions 17, and the protruding portions 16 are used for being inserted into the notch 23 of the inner stator iron.

Referring to fig. 1 to 5, the inner stator core includes a yoke portion 21 and a plurality of tooth portions 22 circumferentially disposed at an inner side of the yoke portion 21, a plurality of adjacent tooth portions 22 and an inner circumferential surface of the yoke portion 21 form a stator slot, the stator slot includes a slot opening 23, and an inner end surface of the tooth portion 22 includes a slot opening inner wall 24 and an inner end surface 25. The utility model discloses inner stator iron core notch 23 does not dusting device includes anchor clamps and many intubate 15, in use, the inner stator iron core passes anchor clamps, inner terminal surface 25 of inner stator tooth portion 22 and the outer terminal surface butt of a plurality of clamping part 14, partly of intubate 15 is pegged graft in storage tank 12, another part of centre gripping is used for protruding notch 23 of going into the inner stator iron core and with the both sides inner wall butt of notch 23, protruding notch 23 that 16 run through the inner stator iron core of portion, two adjacent clamping part 14 are used for centre gripping intubate 15. Further, the length of the extension part in the radial direction of the inner stator core is not less than the length of the notch 23 of the inner stator core in the radial direction of the inner stator core. When powder coating the inner stator core to form an insulating layer, the slot inner walls 24 on both sides of the slot 23 and the inner end faces 25 of the inner stator tooth portions 22 may be protected from being sprayed.

The utility model discloses can avoid notch 23 coated at the in-process protection notch 23 that the coating formed the insulating layer of dusting at inner stator core, arouse notch 23 size to diminish, finally lead to unable wire winding, its simple structure, convenient to use, the practicality is strong.

Further, the plurality of accommodating grooves 12 are distributed in the main body portion 11 in an annular array. After the main part 11 fluting at anchor clamps, in a plurality of intubate 15 can imbed the storage tank 12 that corresponds, the quantity of intubate 15 is the same with external interior stator core's notch 23 quantity, helps realizing good protection to a plurality of notches 23 at the in-process that the powder spray coating formed the insulating layer including stator core, avoids notch 23 to be scribbled, arouses notch 23 size to diminish, finally leads to unable wire winding.

Further, the clamp is made of a teflon material. The Teflon material has the characteristic of high temperature resistance, has low friction coefficient and good non-adhesiveness, does not adhere to powder at high temperature and is not easy to deform; the inner stator core is not easy to stick powder in the process of spraying powder and coating to form an insulating layer, and the inner stator core is convenient to use and clean.

Further, the insertion tube 15 is a silica gel insertion tube 15. The silica gel inserting tube 15 is stable in chemical property and has good elasticity, and the silica gel inserting tube is beneficial to realizing good fitting with the inner wall 24 of the notches on two sides of the notch 23 of the inner stator iron core in the powder spraying process, protecting the notch 23 and avoiding the notch 23 from being coated.

Further, the longitudinal section of the insertion tube 15 is rectangular or rounded rectangular. The longitudinal section of this example is the section of cutting out along the radial direction perpendicular with intubate 15, because the setting of above-mentioned structure for the grafting of grafting portion 17 and storage tank 12 of intubate 15 is firm, protruding portion 16 is used for protruding notch 23 of going into the inner stator iron core and with the both sides inner wall butt of notch 23, protruding portion 16 runs through the notch 23 of inner stator iron core, helps protecting notch 23 in the powder spraying process, avoids notch 23 to be coated, and the intubate 15 of above-mentioned shape is convenient for process. Other shapes for cannula 15 may be used as desired.

Further, two installation parts 13 of the clamp are both cylindrical, the installation parts 13 and the main body part 11 are coaxially arranged, and the outer diameter of the main body part 11 is larger than that of the installation parts 13. Due to the arrangement of the structure, the two mounting parts 13 can be used for being connected with external equipment, and play a role in mounting and positioning the clamp; the clamp is simple in structure, convenient to use and high in practicability.

Further, the clamp and the plurality of insertion tubes 15 are detachably connected. The clamp and the insertion tube 15 are convenient to mount and dismount, and the insertion tube 15 is convenient to clean and replace.

The above description is only for the preferred embodiment of the present invention, and the present specification should not be construed as limiting the present invention.

Claims

1. The utility model provides an inner stator iron core notch does not powder spray device which characterized in that: including anchor clamps and many intubate, anchor clamps include the main part and connect respectively in two installation departments at main part both ends, the main part is cylindricly, a plurality of storage tanks have been seted up to the main part, the opening of storage tank sets up in the outer peripheral face of main part, forms clamping part between the adjacent storage tank, many the intubate all includes the grafting portion of embedding in the storage tank and the protruding portion of being connected with the grafting portion, protruding portion is used for inserting the notch of inner stator iron core.

2. The inner stator core notch powder spraying device according to claim 1, characterized in that: the accommodating grooves are distributed on the main body part in an annular array.

3. The inner stator core notch powder spraying device according to claim 1, characterized in that: the clamp is made of a teflon material.

4. The inner stator core notch powder spraying device according to claim 1, characterized in that: the cannula is a silica gel cannula.

5. The inner stator core notch powder spraying device according to claim 1, characterized in that: the longitudinal section of the insertion tube is rectangular or round-corner rectangular.

6. The inner stator core notch powder spraying device according to claim 1, characterized in that: two installation departments of anchor clamps all are cylindricly, installation department and main part coaxial setting, the external diameter of main part is greater than the external diameter of installation department.

7. The inner stator core notch powder spraying device according to claim 1, characterized in that: and the plurality of insertion pipes are detachably connected with the clamp.

8. The inner stator core notch powder spraying device according to claim 1, characterized in that: the central axis of the cannula is parallel to the central axis of the main body part.