CN210878333U

CN210878333U - High-speed motor stator silicon steel sheet welding tool die

Info

Publication number: CN210878333U
Application number: CN201922000097.7U
Authority: CN
Inventors: 何圣洪
Original assignee: Changzhou Honghui Power Technology Co ltd
Current assignee: Changzhou Honghui Power Technology Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-06-30
Anticipated expiration: 2029-11-19

Abstract

The utility model relates to a stator welding technology field especially relates to a high-speed motor stator silicon steel sheet welding frock mould, including dabber, the core that rises, compression spring, taper sleeve and stator towards piece group, the core activity that rises cup joints at the spindle, the compression spring activity cup joints at the spindle, and compression spring is located the axle center hole of the core that rises, the quantity of taper sleeve is two, two the taper sleeve is movable cup joint the upper and lower both ends at the dabber respectively, stator towards piece group activity cup joints on the core that rises, the bell mouth has all been seted up to the upper and lower both sides of the core that rises, and the bell mouth of the core that just rises and the axle center hole intercommunication of the core that rises, the taper sleeve is pegged graft in the bell mouth of the core that rises. The utility model discloses an utilize the hydraulic press to push down the taper sleeve, two taper sleeves expand the core that will rise about utilizing, and the core that rises can be with stator towards piece group radial bracing for stator towards piece group is fixed firm, simultaneously, has guaranteed stator towards the concentricity of piece group, has improved stator towards the welding precision of piece group.

Description

High-speed motor stator silicon steel sheet welding tool die

Technical Field

The utility model relates to a stator welding technical field especially relates to a high-speed motor stator silicon steel sheet welding frock mould.

Background

The stator of the generator is manufactured by stacking and welding a plurality of steel plate punching sheets, the steel plate punching sheets are usually sequentially sleeved on a mandrel in the conventional stacking mode and are compressed by a pressing plate, and the stator punching sheets are welded only in a mode of compressing the pressing plates at two ends and move due to the fact that the stator is not firmly compressed during welding, so that the welding precision is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a high-speed motor stator silicon steel sheet welding frock mould possesses and compresses tightly fixed advantage, has solved because the stator is only welded through the mode that the clamp plate at both ends compressed tightly towards the piece, can take place to remove because the stator compresses tightly not jail when the welding, has reduced the problem of welded precision.

(II) technical scheme

For realizing above-mentioned technical problem, the utility model provides such high-speed motor stator silicon steel sheet welding frock mould, including dabber, the core that rises, compression spring, taper sleeve and stator towards piece group, the core activity that rises cup joints at the spindle, the compression spring activity is cup jointed at the spindle, and compression spring is located the axle center hole of the core that rises, the quantity of taper sleeve is two, two the taper sleeve is movable cup joint at the upper and lower both ends of dabber respectively, stator towards piece group activity cup joints on the core that rises.

Furthermore, the upper side and the lower side of the expanding core are both provided with tapered holes, the tapered holes of the expanding core are communicated with the shaft center hole of the expanding core, and the taper sleeves are inserted in the tapered holes of the expanding core.

Further, the top and the bottom of the compression spring are respectively contacted with the opposite surfaces of the two taper sleeves.

Furthermore, elastic bodies are fixedly connected in grooves on the two sides of the top and the bottom of the expansion core.

Furthermore, a supporting plate is movably sleeved at the bottom of the expansion core, the bottom of the stator punching sheet group is overlapped at the top of the supporting plate, and the bottom of the supporting plate is movably connected with a lower template through a pin shaft.

Furthermore, an upper pressure plate is movably sleeved at the top of the expansion core and is lapped at the top of the stator punching sheet group.

(III) advantageous effects

The utility model provides a high-speed motor stator silicon steel sheet welding frock mould possesses following beneficial effect:

1. this high-speed motor stator silicon steel sheet welding frock mould uses through the cooperation of dabber, the core that rises, compression spring, taper sleeve and stator punching sheet group, utilizes the hydraulic press to push down the taper sleeve, utilizes two upper and lower taper sleeves to expand the core that rises, and the core that rises can be with stator punching sheet group radial stay tight for stator punching sheet group is fixed firm, simultaneously, has guaranteed stator punching sheet group's concentricity, has improved stator punching sheet group's welding precision.

2. This high-speed motor stator silicon steel sheet welding frock mould uses through the cooperation of lower bolster, layer board and top board, when the hydraulic press pushes down, pushes down the top board, then continues down, compresses tightly stator punching sheet group according to the settlement pressure and welds, has realized that the axial compresses tightly and radially props up tightly, makes the iron core notch after the welding neat, and interior circle is concentric, can guarantee stator punching sheet group and fold pressure coefficient and welding deformation, has guaranteed subsequent stator punching sheet group welding quality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front sectional view of the structure of the present invention;

fig. 3 is a top view of the present invention.

In the figure: 1. a mandrel; 2. expanding the core; 3. a compression spring; 4. a taper sleeve; 5. an elastomer; 6. punching a stator sheet group; 7. a lower template; 8. a pin shaft; 9. a support plate; 10. and (5) an upper pressing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a high-speed motor stator silicon steel sheet welding tooling die comprises a mandrel 1, an expansion core 2, a compression spring 3, taper sleeves 4 and a stator punching sheet group 6, wherein the expansion core 2 is movably sleeved on the mandrel 1, the compression spring 3 is positioned in an axial hole of the expansion core 2, the number of the taper sleeves 4 is two, the two taper sleeves 4 are respectively and movably sleeved at the upper end and the lower end of the mandrel 1, the stator punching sheet group 6 is movably sleeved on the expansion core 2, the compression spring 3, the taper sleeves 4 and the stator punching sheet group 6 are matched for use, the taper sleeves 4 are pressed down by an oil press, the expansion core 2 is expanded by the upper taper sleeve 4 and the lower taper sleeve 4, the expansion core 2 can radially support the stator punching sheet group 6, the stator punching sheet group 6 is firmly fixed, meanwhile, the concentricity of the stator punching sheet group 6 is guaranteed, and the welding precision of the stator punching sheet group 6 is improved.

The upper side and the lower side of an expansion core 2 are both provided with conical holes, the conical holes of the expansion core 2 are communicated with a shaft center hole of the expansion core 2, taper sleeves 4 are inserted in the conical holes of the expansion core 2, the top and the bottom of a compression spring 3 are respectively contacted with the opposite surfaces of the two taper sleeves 4, elastic bodies 5 are fixedly connected in grooves on the two sides of the top and the bottom of the expansion core 2, a supporting plate 9 is movably sleeved at the bottom of the expansion core 2, the bottom of a stator punching sheet group 6 is lapped at the top of the supporting plate 9, the bottom of the supporting plate 9 is movably connected with a lower template 7 through a pin shaft 8, an upper pressing plate 10 is movably sleeved at the top of the expansion core 2, the upper pressing plate 10 is lapped at the top of the stator punching sheet group 6, the upper pressing plate is matched with the lower template 7, the supporting plate 9 and the upper pressing plate 10 for use, when an oil press machine presses down, then continues to descend, the stator punching sheet, the welded iron core notches are tidy, the inner circles are concentric, the lamination coefficient and the welding deformation of the stator punching sheet set 6 can be guaranteed, and the subsequent welding quality of the stator punching sheet set 6 is guaranteed.

When the tool is used, the upper pressing plate 10 is pressed down by an oil press, the elastic body 5 on the taper sleeve 4 is contacted firstly in the descending process of the press, when the upper pressing plate 10 is pressed down, the upper taper sleeve is pressed down firstly, the lower taper sleeve moves upwards relative to the expansion core 2 at the same time, the expansion core 2 expands outwards, the stator punching sheet group 6 is positioned in an inner circle, three ribs of the expansion core 2 enable the stator punching sheet group 6 to be positioned radially, the stator punching sheet group 6 is aligned and concentric, then the upper pressing plate 10 continues to move downwards, the stator punching sheet group 6 is pressed and welded according to set pressure, the tool enables the welded iron core notch to be aligned and concentric in the inner circle, and the lamination coefficient and welding deformation of the stator punching sheet group 6 can be guaranteed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-speed motor stator silicon steel sheet welding frock mould, includes dabber (1), core (2) that rises, compression spring (3), taper sleeve (4) and stator towards piece group (6), its characterized in that: the expansion core (2) is movably sleeved on the core shaft (1), the compression springs (3) are located in shaft center holes of the expansion core (2), the number of the taper sleeves (4) is two, the taper sleeves (4) are movably sleeved at the upper end and the lower end of the core shaft (1) respectively, and the stator punching sheet group (6) is movably sleeved on the expansion core (2).

2. The high-speed motor stator silicon steel sheet welding tool die of claim 1, characterized in that: the upper side and the lower side of the expansion core (2) are both provided with conical holes, the conical holes of the expansion core (2) are communicated with a shaft center hole of the expansion core (2), and the taper sleeves (4) are inserted in the conical holes of the expansion core (2).

3. The high-speed motor stator silicon steel sheet welding tool die of claim 1, characterized in that: the top and the bottom of the compression spring (3) are respectively contacted with the opposite surfaces of the two taper sleeves (4).

4. The high-speed motor stator silicon steel sheet welding tool die of claim 1, characterized in that: and elastic bodies (5) are fixedly connected in the grooves at the two sides of the top and the bottom of the expansion core (2).

5. The high-speed motor stator silicon steel sheet welding tool die of claim 1, characterized in that: the bottom of the expansion core (2) is movably sleeved with a supporting plate (9), the bottom of the stator punching plate group (6) is overlapped at the top of the supporting plate (9), and the bottom of the supporting plate (9) is movably connected with a lower template (7) through a pin shaft (8).

6. The high-speed motor stator silicon steel sheet welding tool die of claim 1, characterized in that: an upper pressing plate (10) is movably sleeved at the top of the expansion core (2), and the upper pressing plate (10) is lapped at the top of the stator punching sheet group (6).