CN211331779U

CN211331779U - Friction stir welding tool for thin-wall motor shell

Info

Publication number: CN211331779U
Application number: CN201922144704.7U
Authority: CN
Inventors: 张广; 孙占国; 蒋亮
Original assignee: Beijing Sooncable Technology Development Co ltd
Current assignee: Beijing shijiabo Technology Group Co.,Ltd.
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-08-25
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses a thin wall motor casing's friction stir welding frock relates to the frock field, including bloated tight cover, side kicking block, outer lane and the core that expands, thin wall motor casing suit is on bloated tight cover, and side kicking block suit is on thin wall motor casing, and outer lane suit is on the side kicking block so that the side kicking block compresses tightly thin wall motor casing, and the core that expands sets up and the butt in the inner wall of bloated tight cover with the side kicking block is corresponding. The utility model discloses thin wall motor casing can be fixed and thin wall motor casing can not destroy for thin wall motor casing can conveniently carry out friction weld.

Description

Friction stir welding tool for thin-wall motor shell

Technical Field

The utility model relates to a technical field of frock particularly, indicates a thin wall motor casing's friction stir welding frock.

Background

The water-cooled motor shell is very wide in use, the thin-walled motor shell has the advantages of light weight and good heat dissipation performance, the surface is attractive and elegant, the water-cooled motor shell is corrosion-resistant, and the inner bore does not need to be cut. The motor rotor has the advantages of small volume, light weight, simple structure, very convenient installation and maintenance, very environment-friendly production process, high production efficiency and convenient transportation and storage, and is favored by motor manufacturers. At present, the friction stir welding device for the thin-wall motor shell has some defects, firstly, most welding clamps are complex in design, the stability of workpiece positioning is poor, and the workpiece is easy to deform during welding; secondly, the outer wall of the workpiece is easy to collapse during welding; and finally, the processes of clamping and disassembling the workpiece are time-consuming and labor-consuming, so that the welding efficiency is low and the cost is high.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at overcoming the not enough of prior art, provide a friction stir welding frock of thin wall motor casing to solve among the prior art because thin wall motor casing is too thin leads to the easy problem of warping when the welding process.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a thin wall motor casing's friction stir welding frock, include

The thin-wall motor shell is sleeved on the expansion sleeve;

the side jacking block is sleeved on the thin-wall motor shell;

the outer ring is sleeved on the side ejector block so that the side ejector block compresses the thin-wall motor shell; and

and the expansion core is arranged corresponding to the side jacking block and is abutted against the inner wall of the expansion sleeve.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, a plurality of fixing holes which penetrate through the outer ring along the radial direction of the outer ring are formed in the outer ring, and fixing pins are inserted into the fixing holes to be abutted against the side ejection blocks.

Further, the utility model discloses still include the base, the tight cover that expands is fixed detachablely on the base.

Further, a plurality of outer ring connecting columns are detachably and vertically arranged on the base, and the outer ring connecting columns are used for supporting and fixing the outer ring and detachably connected with the outer ring.

Furthermore, a plurality of shell supporting columns arranged on the expansion sleeve in a surrounding mode are arranged on the base, and the shell supporting columns are used for supporting the thin-wall motor shell.

Further, the expansion core is in a circular truncated cone shape, and an inner cavity in the upper portion of the expansion sleeve is matched with the expansion core.

Further, the utility model discloses still include bloated core spliced pole and bloated core dead lever, bloated core spliced pole is established immediately on the base, bloated core dead lever passes bloated core with bloated core spliced pole is connected so that bloated core is near bloated tight cover.

Further, a flat pad is arranged between the expansion core fixing rod and the expansion core.

Further, a side top ring is arranged between the side top block and the outer ring and consists of a plurality of arc ring bodies.

Furthermore, fins are arranged on the upper side and the lower side of the outer ring, and the side jacking blocks and the side jacking outer ring are clamped by the fins.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

the utility model discloses when realizing welding thin wall motor casing, with thin wall motor casing suit can make the tight cover of expanding support thin wall motor casing on expanding tightly sheathe in, the core butt that expands can make the tight cover of expanding tightly to support tightly to thin wall motor casing in the inner wall of the tight cover that expands, side kicking block suit is on thin wall motor casing's outer wall, the outer lane will incline the kicking block and sticis on thin wall motor casing's outer wall, because the corresponding setting of side kicking block and the core that expands can make the side kicking block and expand the core and be located thin wall motor casing's inside and outside both sides in order to press from both sides thin wall motor casing and establish between the two, thereby the effect of having set up fixed thin wall motor casing can.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic cross-sectional view of B-B in FIG. 1.

Wherein the figures include the following reference numerals:

100-expansion sleeve, 200-side top block, 210-side top circle, 300-outer ring, 310-fixing hole, 320-outer ring connecting column, 330-fin, 400-expansion core, 410-expansion core fixing rod, 420-flat pad, 500-thin-wall motor shell, 600-base, 610-shell supporting column and 620-expansion core connecting column.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are merely exemplary of the invention and are not intended to be exhaustive. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1:

a friction stir welding tool for a thin-wall motor shell is shown in figure 1 and comprises an expansion sleeve 100, a side top block 200, an outer ring 300 and an expansion core 400, wherein the thin-wall motor shell 500 is sleeved on the expansion sleeve 100, the expansion sleeve 100 is matched with the thin-wall motor shell 500 to ensure that the expansion sleeve 100 can be attached to the thin-wall motor shell 500, the expansion core 400 is arranged inside the expansion sleeve 100 and is abutted against the inner wall of the expansion sleeve 100, this enables the expansion sleeve 100 to be more closely attached to the thin-walled motor case 500, the side top block 200 is fitted over the outer wall of the thin-walled motor case 500 and corresponds to the expansion core 400, the outer ring 300 is fitted over the side top block 200 to press the side top block 200 against the outer wall of the thin-walled motor case 500, and since the side top block 200 and the expansion core 400 are arranged correspondingly, the two can tightly press the thin-wall motor housing 500 therebetween, thereby realizing the fixation of the thin-wall motor housing 500. In order to press the side knock block 200 against the outer wall of the thin-walled motor case 500 by the outer ring 300, a plurality of fixing holes 310 are formed in the outer ring 300 so as to penetrate in the radial direction thereof, and the fixing holes 310 may be screw holes into which screws are screwed so that the screws abut against the side knock block 200 to press the side knock block 200 against the thin-walled motor case 500.

The utility model discloses still be provided with base 600, the tight cover 100 that expands is fixed on base 600 with the mode of detachable connection, specifically, has a plurality of screws at the bottom evenly distributed of the tight cover 100 that expands, corresponds with it also to be provided with a plurality of screws on base 600, aligns back screw in screw through the screw with above-mentioned both and can make the tight cover 100 that expands detachably fix on base 600. Still be equipped with a plurality of detachable outer lane spliced pole 320 immediately on base 600, what set up outer lane spliced pole 320 is in order to support outer lane 300, makes outer lane 300 stable to be convenient for fix side kicking block 200 through outer lane 300, can also make the fixed effect of side kicking block 200 better simultaneously. The base 600 is further provided with a plurality of shell supporting columns 610 which are arranged around the expansion sleeve 100 in an enclosing mode, the shell supporting columns 610 can play a role in supporting the thin-wall motor shell 500, the thin-wall motor shell 500 is sleeved on the expansion sleeve 100 and then located on the shell supporting columns 610, and therefore the thin-wall motor shell 500 can be conveniently rotated to adjust the position of the thin-wall motor shell 500.

In order to enable the expansion core 400 to be capable of better abutting against the inner wall of the expansion sleeve 100 to enable the expansion sleeve 100 to be attached to the thin-wall motor shell 500, the appearance of the expansion core 400 is in a circular truncated cone shape, correspondingly, a cavity matched with the expansion core 400 in the circular truncated cone shape is formed in the upper portion of the expansion sleeve 100, the appearance of the cavity is similar to that of a funnel, the side surface of the expansion core 400 can abut against the inner wall of the expansion sleeve 100 after the expansion core 400 is pressed downwards, the larger the force of pressing the expansion core 400 downwards, the tighter the abutting of the expansion core 400 and the inner wall of the expansion sleeve 100 is, and therefore the attachment degree of the expansion sleeve 100 and the thin-wall motor shell 500. In order to make the force for pressing the expansion core 400 sufficiently large, an expansion core connecting column 620 is vertically arranged on the base 600, the expansion core connecting column 620 is detachably connected with the base 600, specifically, a screw hole can be adopted for connecting in a threaded manner, a screw matched with the screw hole is arranged at the bottom of the expansion core connecting column 620, the expansion core connecting column 620 is fixed on the base 600 by rotating the expansion core connecting column 620, an expansion core fixing rod 410 is also detachably connected on the expansion core connecting column 620, the expansion core fixing rod 410 is connected with the expansion core connecting column 620 after penetrating through the expansion core 400, the expansion core fixing rod 410 can also be in threaded connection with the expansion core connecting column 620, specifically, a screw hole is arranged at one end of the expansion core connecting column 620, the expansion core fixing rod 410 can adopt a screw, the end part of the expansion core fixing rod 410 can be tightly pressed on the expansion core 400, a flat cushion 420 is also screwed on the expansion core 400, the flat pad 420 enables the core-expanding fixing rod 410 to press the core-expanding 400 without directly contacting the core-expanding 400 to break the core-expanding 400.

Still be provided with side top circle 210 between side kicking block 200 and outer lane 300, side top circle 210 can comprise a plurality of arc circle bodies, in this embodiment, specifically can adopt four arc circle bodies, can play spacing and prevent the effect that side kicking block 200 warp to side kicking block 200 through setting up side top circle 210. In order to further limit the side top block 200, a plurality of fins 330 which are correspondingly arranged are detachably connected to the upper end and the lower end of the outer ring 300, the side top block 200 can be clamped between the fins 330 at the upper end and the lower end, so that the side top block 200 can be better limited and positioned, and the fins 330 and the outer ring 300 are detachably connected.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims

1. A friction stir welding tool for a thin-wall motor shell is characterized by comprising

The thin-wall motor shell (500) is sleeved on the expansion sleeve (100);

the side ejector block (200) is sleeved on the thin-wall motor shell (500);

the outer ring (300) is sleeved on the side ejector block (200) so that the side ejector block (200) presses the thin-wall motor shell (500); and

and the expansion core (400) is arranged corresponding to the side jacking block (200) and is abutted against the inner wall of the expansion sleeve (100).

2. The tool for friction stir welding of a thin-walled motor casing according to claim 1, wherein the outer ring (300) has a plurality of fixing holes (310) formed therethrough along a radial direction thereof, and the fixing holes (310) are inserted with fixing pins to be brought into contact with the side end blocks (200).

3. The friction stir welding tooling of a thin-walled motor housing of claim 1, further comprising a base (600), wherein the expansion sleeve (100) is removably secured to the base (600).

4. The friction stir welding tool for the thin-wall motor shell according to claim 3, wherein a plurality of outer ring connecting columns (320) are detachably erected on the base (600), and the outer ring connecting columns (320) are used for supporting and fixing the outer ring (300) and detachably connected with the outer ring (300).

5. The friction stir welding tool for the thin-wall motor shell according to claim 3, wherein the base (600) is provided with a plurality of shell supporting columns (610) surrounding the expansion sleeve (100), and the shell supporting columns (610) are used for supporting the thin-wall motor shell (500).

6. The friction stir welding tool for the thin-wall motor shell according to claim 3, wherein the expansion core (400) is in a shape of a circular truncated cone, and an inner cavity at the upper part of the expansion sleeve (100) is matched with the expansion core (400).

7. The friction stir welding tool for the thin-wall motor shell according to claim 6, further comprising an expansion core connecting column (620) and an expansion core fixing rod (410), wherein the expansion core connecting column (620) is vertically arranged on the base (600), and the expansion core fixing rod (410) penetrates through the expansion core (400) to be connected with the expansion core connecting column (620) so that the expansion core (400) abuts against the expansion sleeve (100).

8. The friction stir welding tooling of the thin-wall motor shell according to claim 7, wherein a flat cushion (420) is further arranged between the expansion core fixing rod (410) and the expansion core (400).

9. The friction stir welding tool for the thin-wall motor shell according to claim 2, wherein a side top ring (210) is arranged between the side top block (200) and the outer ring (300), and the side top ring (210) is composed of a plurality of arc-shaped ring bodies.

10. The friction stir welding tool for the thin-wall motor shell according to claim 2, wherein fins (330) are arranged on the upper side and the lower side of the outer ring (300), and the side top block (200) and the side top outer ring (300) are clamped by the fins (330).