CN215545767U

CN215545767U - Be applied to friction stir welding's of motor stirring head

Info

Publication number: CN215545767U
Application number: CN202121246050.XU
Authority: CN
Inventors: 吴克桦; 朱才林; 钱忠荣; 向兴康; 肖乐
Original assignee: Jiangsu Ruimei Auto Parts Co ltd
Current assignee: Jiangsu Ruimei Auto Parts Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-01-18
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a stirring head applied to motor friction stir welding, which comprises an extension column and an installation head, wherein the end of the extension column is fixedly provided with the stirring head, the stirring head is a conical body, the top of the stirring head is provided with a planar stirring needle point, the length of the stirring head is 5-10 mm, the diameter of the stirring needle point is 2-7 mm, the unilateral angle interval of the stirring head is 5-15 degrees, the curved surface of the stirring head is provided with threads, and the end surface of the extension column is provided with a spiral groove surrounding the periphery of the bottom of the stirring head. The utility model relates to the technical field of friction welding. The welding performance of friction stir welding is improved by setting the shape and parameters of the stirring head.

Description

Be applied to friction stir welding's of motor stirring head

Technical Field

The utility model relates to the technical field of friction welding, in particular to a stirring head applied to motor friction stir welding.

Background

The new energy motor water-cooling shell generally needs to be welded to weld process holes, the existing process is to weld plugs to the shell by friction stir welding, however, due to the manufacturability of friction stir welding, a welding machine special for friction stir welding and a welding stirring head need to be purchased separately, and for general companies, the welding process is a small fixed asset investment and a consumable (stirring head).

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stirring head applied to the friction stir welding of a motor, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: be applied to motor friction stir welding's stirring head, including extending post and installation head, it is fixed to be equipped with the stirring head to extend the post end, the stirring head is the conical body, and the top is equipped with and is planar stirring needle point, stirring head length is 5mm-10mm, stirring needle point diameter is 2mm-7mm, the unilateral angle interval of stirring head is 5-15, the stirring head curved surface is equipped with the screw thread, it centers on around the helicla flute around stirring head bottom to extend the post terminal surface.

Preferably, the thread arranged on the curved surface of the stirring head is a left-handed thread, and the thread pitch is 2.5 mm.

Preferably, the spiral grooves are distributed in an Archimedes spiral line.

Preferably, the thread pitch of the spiral groove is 2mm, the groove depth is 0.7mm, and the groove width is 1 mm.

Compared with the prior art, the stirring head is applied to the stirring friction welding of the motor, and the welding performance of the stirring friction welding is improved by setting the shape and the parameters of the stirring head.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

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

FIG. 2 is a left side view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 4 is a partially enlarged view of a portion I in fig. 3.

In the drawings:

1. a stirring head; 11. stirring the needle tip; 2. extending the column; 21. a helical groove; 3. and (5) mounting the head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: be applied to friction stir welding's stirring head, including extending post 2 and installation head 3, extend 2 fixed mounting of post at installation head 3 ends, and coaxial setting, extend 2 fixed being equipped with stirring heads 1 in the end of post, the stirring head 1, extend post 2, and installation head 3 materials is the same, and integrated into one piece, common material has the martensite stainless steel, medium carbon steel, high carbon steel, tool steel and engineering ceramic zirconia etc, stirring head 1 is the conical body, and bottom fixed mounting extends 2 ends that deviate from installation head 3 of post, and stirring head 1 with extend 2 and the coaxial setting of installation head 3 of post.

The top of the stirring head 1 is provided with a planar stirring needle tip 11, the length of the stirring head 1 is 5mm-10mm, the diameter of the stirring needle tip 11 is 2mm-7mm, in the embodiment, the diameter of the stirring needle tip 11 is 2.7mm, the curved surface of the stirring head 1 is provided with a thread, the thread is a left-handed thread, the thread pitch is 2.5mm, as shown in fig. 4, the unilateral angle interval of the stirring head 1 is 5-15 degrees, the side edge of the stirring head 1 is provided with a milling flat position, the included angle beta between the milling flat position and the central axis of the stirring head 1 is 15 degrees, and the included angle alpha between the threaded edge of the stirring head 1 and the central axis of the stirring head 1 is 10 degrees.

The end surface of the extension column 2 is provided with a spiral groove 21 surrounding the periphery of the bottom of the stirring head 1, the spiral groove 21 is distributed in an Archimedes spiral line, the pitch of the spiral groove 21 is 2mm, the groove depth is 0.7mm, and the groove width is 1 mm.

The middle part of the mounting head 3 is provided with a mounting bulge for fixedly mounting the mounting head 3 on a vertical machining center for friction stir welding.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Be applied to friction stir welding's of motor stirring head, including extension post (2) and installation head (3), its characterized in that: extend fixed stirring head (1) that is equipped with in post (2) end, stirring head (1) is the conical body, and the top is equipped with and is planar stirring needle point (11), stirring head (1) length is 5mm-10mm, stirring needle point (11) diameter is 2mm-7mm, stirring head (1) unilateral angle interval is 5-15, stirring head (1) curved surface is equipped with the screw thread, it centers on around helicla flute (21) around stirring head (1) bottom to extend post (2) terminal surface.

2. The pin tool for friction stir welding of an electric motor of claim 1, wherein: the thread arranged on the curved surface of the stirring head (1) is a left-handed thread, and the thread pitch is 2.5 mm.

3. The pin tool for friction stir welding of an electric motor of claim 1, wherein: the spiral grooves (21) are distributed in an Archimedes spiral line.

4. The pin tool for friction stir welding of an electric motor of claim 1, wherein: the pitch of the spiral groove (21) is 2mm, the depth of the spiral groove is 0.7mm, and the width of the spiral groove is 1 mm.