CN211930453U

CN211930453U - Tool of rotor core rivet fixing structure

Info

Publication number: CN211930453U
Application number: CN202020930652.6U
Authority: CN
Inventors: 何冠谦
Original assignee: Foshan Lixiong Electromechanical Co ltd
Current assignee: Foshan Lixiong Electromechanical Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2020-11-13
Anticipated expiration: 2030-05-27

Abstract

The utility model relates to a frock of rotor core fix with rivet structure, including the frock upper cover and the fixture base that from top to bottom set up, form the cavity that is used for placing rotor core between frock upper cover and the fixture base, frock upper cover and fixture base pass through drive mechanism and make reverse relative motion in vertical direction, be equipped with a plurality of rivet hole on the rotor core, be equipped with assembly rivet in the rivet hole, the bottom of frock upper cover is equipped with the last compression leg that a plurality of and assembly rivet correspond, be equipped with the lower compression leg that a plurality of and assembly rivet correspond on the fixture base, assembly rivet is with the riveting of rotor core under last compression leg and the effect of lower compression leg, this frock overall structure is simple, under last compression leg and the combined action of lower compression leg, can make a plurality of assembly rivets and the riveting of rotor core simultaneously, rotor core's assembly efficiency has been improved.

Description

Tool of rotor core rivet fixing structure

Technical Field

The utility model relates to a technical field of rotor core processing specifically is a frock of rotor core fix with rivet structure.

Background

The common rotor core is formed by laminating and casting a plurality of silicon steel sheets on a tool, or welding the excircle of the silicon steel sheet, or punching a self-buckling point on the silicon steel sheet for buckling, or gluing by using a special adhesive to complete the manufacturing of the rotor core, and the equipment is relatively complex and the processing efficiency is relatively low.

Therefore, further improvements are needed.

Disclosure of Invention

An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide a frock of rotor core fix with rivet structure, aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least.

The purpose of the utility model is realized like this:

the utility model provides a frock of rotor core rivet fixed knot structure, including the frock upper cover and the frock base that from top to bottom set up, form the cavity that is used for placing rotor core between frock upper cover and the frock base, frock upper cover and frock base pass through drive mechanism and make reverse relative motion in vertical direction, be equipped with a plurality of rivet hole on the rotor core, the downthehole assembly rivet that is equipped with of rivet, the bottom of frock upper cover is equipped with the last compression leg that a plurality of and assembly rivet correspond, be equipped with the lower compression leg that a plurality of and assembly rivet correspond on the frock base, the assembly rivet is in last compression leg and lower compression leg effect down with the riveting of rotor core.

And the upper cover of the tool and/or the base of the tool are/is provided with positioning convex columns, and the rotor iron core is provided with positioning holes corresponding to the positioning convex columns.

And the top of the lower pressing column is provided with a tooth pressing cutter for expanding the bottom area of the assembly rivet.

The tooling base comprises a base upper plate and a base lower plate, a lower compression leg is fixedly connected with the base upper plate and penetrates through a through hole of the base upper plate, and a plurality of elastic resetting devices are connected between the base upper plate and the base lower plate.

And a plurality of positioning screws are connected between the base upper plate and the base lower plate.

And a positioning column is connected between the upper cover of the tool and the base of the tool.

The positioning column penetrates through the center positions of the upper cover and the base of the tool respectively.

And the positioning column is provided with a positioning convex part or a positioning notch, and the tool upper cover and the tool base are respectively provided with a corresponding positioning notch or a corresponding positioning convex part.

The utility model has the advantages that:

this frock overall structure is simple, goes up the compression leg and pushes down under the post combined action, can make a plurality of assembly rivets and rotor core riveting simultaneously, has improved rotor core's assembly efficiency.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Drawings

Fig. 1 is an exploded view of an embodiment of the present invention.

Fig. 2 is an exploded view of the embodiment of the present invention.

Fig. 3 is a cross-sectional view of an embodiment of the present invention.

Detailed Description

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

Referring to fig. 1-3, the tooling of the rotor core rivet fixing structure comprises a tooling upper cover 1 and a tooling base 2 which are arranged from top to bottom, a cavity for placing a rotor core 3 is formed between the tooling upper cover 1 and the tooling base 2, the tooling upper cover 1 and the tooling base 2 do reverse relative motion in the vertical direction through a transmission mechanism (not shown in the figure), a plurality of rivet holes 31 are arranged on the rotor core 3, assembly rivets 4 are arranged in the rivet holes 31, a plurality of upper press columns 11 corresponding to the assembly rivets 4 are arranged at the bottom of the tooling upper cover 1, a plurality of lower press columns 21 corresponding to the assembly rivets 4 are arranged on the tooling base 2, the assembly rivets 4 are riveted with the rotor core 3 under the action of the upper press columns 11 and the lower press columns 21, the overall structure of the tooling is simple, the upper press columns 11 and the lower press columns 21 can simultaneously rivet a plurality of assembly rivets 4 with the rotor core 3, the assembling efficiency of rotor core 3 is improved.

Furthermore, the tooling upper cover 1 and/or the tooling base 2 are/is provided with a positioning convex column 22, and the rotor core 3 is provided with a positioning hole 32 corresponding to the positioning convex column 22, so that the positioning between the rotor core 3 and the tooling upper cover 1 and between the working bases is facilitated, and the processing efficiency is improved.

Further, the top of the lower pressing column 21 is provided with a tooth pressing cutter 211 for expanding the bottom area of the assembly rivet 4, so that the expansion effect of the bottom of the assembly rivet 4 is improved, and the connection strength between the assembly rivet and the rotor core 3 is higher.

Further, tooling base 2 includes base upper plate 23 and base hypoplastron 24, the through-hole that pushes down post 21 and base upper plate 23 fixed connection and run through base upper plate 23, be connected with a plurality of elasticity resetting means 25 between base upper plate 23 and the base hypoplastron 24, it hides in the through-hole under idle state to push down post 21, avoid influencing placing of rotor core 3, add man-hour, base upper plate 23 atress compresses tightly elasticity resetting means 25, it upwards stretches out the through-hole outside and with the bottom of assembly rivet 4 and take effect down to push down post 21, after the processing is accomplished, elasticity resetting means 25 drives base upper plate 23 and resets.

Furthermore, a plurality of positioning screws 26 are connected between the base upper plate 23 and the base lower plate 24, so as to prevent the base upper plate 23 and the base lower plate 24 from deviating.

Further, be connected with reference column 5 between frock upper cover 1 and the frock base 2, frock upper cover 1 can be more stable when making reverse relative motion in vertical direction with frock base 2 through drive mechanism, is difficult to take place the skew, improves the machining precision.

Further, the positioning column 5 penetrates through the center positions of the upper tool cover 1 and the tool base 2 respectively.

Furthermore, a positioning protruding part 51 or a positioning notch 12 is arranged on the positioning column 5, and the corresponding positioning notch 12 or the corresponding positioning protruding part 51 are respectively arranged on the tooling upper cover 1 and the tooling base 2, so that the positioning column 5, the tooling upper cover 1 and the tooling base 2 can be assembled quickly.

The utility model discloses a working process is such: under initial state, the workman places rotor core 3 earlier on fixture base 2 and inserts corresponding assembly rivet 4 in rivet hole 31, then install reference column 5 and make fixture upper cover 1 and fixture base 2 location through reference column 5, fixture upper cover 1 exerts the holding down force to rotor core 3 under drive mechanism's effect, rotor core 3 exerts pressure to fixture base 2's base upper plate 23, base upper plate 23 atress downstream, at this moment, elasticity resetting means 25 atress warp, lower compression leg 21 upwards stretches out outside the through-hole and takes place the effect with the bottom of assembly rivet 4, after the processing is accomplished, elasticity resetting means 25 drives base upper plate 23 and resets.

The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.

Claims

1. A tool of a rotor core rivet fixing structure comprises a tool upper cover (1) and a tool base (2) which are arranged from top to bottom, a cavity for placing the rotor core (3) is formed between the tooling upper cover (1) and the tooling base (2), the tooling upper cover (1) and the tooling base (2) do reverse relative motion in the vertical direction through a transmission mechanism, it is characterized in that a plurality of rivet holes (31) are arranged on the rotor iron core (3), the rivet hole (31) is internally provided with an assembly rivet (4), the bottom of the tooling upper cover (1) is provided with a plurality of upper compression posts (11) corresponding to the assembly rivet (4), the tooling base (2) is provided with a plurality of lower pressing columns (21) corresponding to the assembly rivets (4), and the assembly rivets (4) are riveted with the rotor core (3) under the action of the upper pressing columns (11) and the lower pressing columns (21).

2. The tooling of the rotor core rivet fixing structure of claim 1, characterized in that: the tooling upper cover (1) and/or the tooling base (2) are/is provided with a positioning convex column (22), and the rotor core (3) is provided with a positioning hole (32) corresponding to the positioning convex column (22).

3. The tooling of the rotor core rivet fixing structure of claim 1, characterized in that: the top of the lower pressing column (21) is provided with a tooth pressing cutter (211) for expanding the bottom area of the assembly rivet (4).

4. The tooling of the rotor core rivet fixing structure of claim 1, characterized in that: the tool base (2) comprises a base upper plate (23) and a base lower plate (24), the lower pressing column (21) is fixedly connected with the base upper plate (23) and penetrates through a through hole of the base upper plate (23), and a plurality of elastic resetting devices (25) are connected between the base upper plate (23) and the base lower plate (24).

5. The tooling of the rotor core rivet fixing structure of claim 4, characterized in that: and a plurality of positioning screws (26) are connected between the base upper plate (23) and the base lower plate (24).

6. The tooling of the rotor core rivet fixing structure of any one of claims 1 to 5, characterized in that: and a positioning column (5) is connected between the tool upper cover (1) and the tool base (2).

7. The tooling of the rotor core rivet fixing structure of claim 6, characterized in that: and the positioning column (5) penetrates through the center positions of the upper tool cover (1) and the tool base (2) respectively.

8. The tooling of the rotor core rivet fixing structure of claim 6, characterized in that: and a positioning convex part (51) or a positioning notch (12) is arranged on the positioning column (5), and the corresponding positioning notch (12) or positioning convex part (51) is respectively arranged on the tooling upper cover (1) and the tooling base (2).