CN209664569U - A kind of friction stir welding tool - Google Patents
A kind of friction stir welding tool Download PDFInfo
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- CN209664569U CN209664569U CN201920321991.1U CN201920321991U CN209664569U CN 209664569 U CN209664569 U CN 209664569U CN 201920321991 U CN201920321991 U CN 201920321991U CN 209664569 U CN209664569 U CN 209664569U
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- agitating friction
- stir welding
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- welding tool
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Abstract
The technical issues of the utility model discloses a kind of friction stir welding tools, are related to Friction Stir Welding technical field, solve friction stir welding tool in the prior art and are only used for a kind of weld penetration of welding, and cannot be used for multiple times.It includes agitating friction head, and the bottom of agitating friction head is disposed with N group step, and the center of every group of step is conllinear with the center of agitating friction head, and the diameter of every group of step successively successively decreases, N > 1.The agitating friction head of the utility model is in combination step structure, by the different requirements for realizing identical product difference weld penetration for penetrating welded piece depth, more agitating friction heads in the prior art can be replaced to use using an agitating friction head, to save the time of replacement agitating friction head, production efficiency is improved.If simultaneously in the welding process, mixing needle abrasion or fracture, and, without making entire agitating friction head scrap processing, waste could be reduced by continuing to use after simply grinding.
Description
Technical field
The utility model relates to Friction Stir Welding technical fields, specifically, refer to a kind of friction stir welding tool.
Background technique
Agitating friction weldering mainly passes through the friction between friction stir welding tool (also known as stirring-head) and welded piece
Heat makes localized metallic be in hot plastic state, at the same under the effect of the pressure of friction stir welding tool from weld seam front to
Rear portion Plastic Flow finally makes workpiece to be welded become an entirety.Due to the specially-shaped mechanism of agitating friction weldering, so that stirring
Mixing friction welding tool becomes the critical component of agitating friction weldering, and extremely important work is played in stir friction welding process
With.
" heart " that friction stir welding tool is welded as agitating friction, its material and structure are the core of agitating friction weldering
The heart.In stir friction welding process, different rule are chosen according to the depth of welding, the difference of the material etc. of welded piece
The friction stir welding tool of lattice, different-shape.Traditional friction stir welding tool only includes 1 shaft shoulder, therefore it can only
For welding a kind of weld penetration.And friction stir welding tool, in stir friction welding process, the maximum position of stress is
The mixing needle of friction stir welding tool be easy to cause damage, and then needs after the damage of the mixing needle of friction stir welding tool
Entire friction stir welding tool is changed, the waste of resource is caused and then increases the cost of production.
Therefore it provides one kind can weld a variety of weld penetrations, and can nonexpondable friction stir welding tool,
It is those skilled in the art's technical problem urgently to be resolved.
Utility model content
In view of this, providing a kind of Friction Stir Welding the purpose of the utility model is to overcome the deficiencies in the prior art
Tool is only used for a kind of weld penetration of welding to solve friction stir welding tool in the prior art, and cannot repeatedly make
The technical issues of using.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of friction stir welding tool, including agitating friction head are provided, the bottom of the agitating friction head is set gradually
There is N group step, the center of step described in every group is conllinear with the center of the agitating friction head, and the diameter of step described in every group is successively
Successively decrease, N > 1.
Based on the above technical solution, which can also do following improvement.
Further, the bottom of the agitating friction head is the initial shaft shoulder, and the N-1 group step is the N group step
The shaft shoulder, the N group step be the N-1 group step mixing needle.
Further, it is connected between step described in every group for round-corner transition.
Further, the bottom of the agitating friction head is disposed with first step and second step.
Further, the height of the first step is 6 millimeters, and the height of the second step is 2 millimeters.
Further, the base diameter of the agitating friction head is 16 millimeters, and the diameter of the first step is 8 millimeters, institute
The diameter for stating second step is 4 millimeters.
Further, the angle of the bus and vertical direction of the first step and the second step is 0 °~30 °.
Further, aid handle is provided at the top of the agitating friction head.
Further, the aid handle, agitating friction head and the N group step are integral forming structure.
Further, the material of the aid handle, agitating friction head and the N group step is mould steel.
Compared with prior art, friction stir welding tool provided by the utility model has the beneficial effect that
1, the agitating friction head of the utility model is real by the difference for penetrating welded piece depth in combination step structure
The requirement of existing identical product difference weld penetration can replace more in the prior art stirrings using an agitating friction head
Friction head uses, to save the time of replacement agitating friction head, improves production efficiency.Meanwhile if in welding process
In, mixing needle abrasion or fracture, and can be by being continued to use after simply grinding, without making entire agitating friction head scrap place
Reason, reduces waste.
2, it is connected between every group of step of the agitating friction head of the utility model using round-corner transition, can both make step
Corner does not generate fragile face, and can reduce stress concentration.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the use state of the utility model welding thin plate with reference to figure；
Fig. 3 is the use state of the utility model welding slab with reference to figure.
In figure:
1-aid handle；2-agitating friction heads；3-initial the shaft shoulders；4-first steps；5-second steps；6-thin plates；
7-slabs.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than comprehensively
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Embodiment 1:
A kind of friction stir welding tool, as shown in Figure 1, including aid handle 1 and agitating friction head 2.Wherein, handle 1 is accommodated
It is set to the top of agitating friction head 2, for making agitating friction head 2 be connected with the knife handle position of agitating friction soldering equipment.In
The bottom of agitating friction head 2 is disposed with two groups of steps, and the center of this two groups of steps is total with the center of agitating friction head 2
Line.
As shown in Figure 1, the bottom of agitating friction head 2 be the initial shaft shoulder 3, preferably 16 millimeters of the diameter of the initial shaft shoulder 3.The
Preferably 8 millimeters of the diameter of one step 4, highly preferred 6 millimeters of first step 4.Preferably 4 millimeters of the diameter of second step 5, second
Highly preferred 2 millimeters of step 5.Such design makes to form one group of Friction Stir Welding between first step 4 and second step 5
Tool, wherein first step 4 is the shaft shoulder, and second step 5 is mixing needle.Meanwhile also shape between the initial shaft shoulder 3 and first step 4
At one group of friction stir welding tool, wherein the initial shaft shoulder 3 is the shaft shoulder, and first step 4 and second step 5 are mixing needle.
As shown in Fig. 2, when welding 2 millimeters of thin plate using the agitating friction head 2 of the utility model, agitating friction head 2
It rotates and slowly insertion welded piece is up to the bottom of first step 4 and the mantle friction of welded piece, at this point, second step 5
Side wall and welded piece frictional heat generation, agitating friction head 2 keeps height constant and advances according to certain speed, until whole
After the completion of weld seam welding, agitating friction head 2 halts and slowly lifts, until leaving the surface of welded piece, stops rotating,
Complete entire Friction Stir Welding work.
As shown in figure 3, when welding 8 millimeters of slab using the agitating friction head 2 of the utility model, agitating friction head 2
It rotates and slowly insertion welded piece is up to the bottom of the initial shaft shoulder 3 and the mantle friction of welded piece, at this point, first step 4
With the side wall of second step 5 with welded piece frictional heat generation, agitating friction head 2 keeps height constant and according to certain speed
Advance, until agitating friction head 2 halts and slowly lifts after the completion of the welding of whole weld seam, until leaving welded piece
Surface is stopped rotating, and entire Friction Stir Welding work is completed.
The agitating friction head 2 of the utility model can weld the work that identical product weld penetration is respectively 2 millimeters and 8 millimeters
Part rubs without using the friction stir welding tool of 2 millimeters of models and 8 millimeters of models respectively to save replacement stirring
The time of rubbing head, improve production efficiency.Meanwhile it using in agitating friction head after a certain period of time if mixing needle wears or breaks
It splits, 4 diameter of first step of 6 millimeters thicks can also be made to reduce and/or highly reduce and then continue to make by simply grinding
With reducing the waste of material without making entire agitating friction head 2 scrap processing.
The utility model can also need to be arranged according to actual process more bench groups, such as three groups, four groups, five groups
Deng to meet the welding requirements of a greater variety of weld penetrations, and the height of each group step can be unequal with diameter, equal root
Factually border process requirement is arranged.
Embodiment 2:
Preferably, being advanced optimized on the basis of the above embodiments, especially for the utility model is better achieved
Using following setting structures:
As shown in Figure 1, between the initial shaft shoulder 3 and first step 4, the junction of first step 4 and second step 5 be circle
Angle transition connection.Round-corner transition connection will not only make step corner generate fragile face, but also can be reduced step corner
Stress is concentrated, to guarantee the bonding strength between each step, to guarantee the safety and use the longevity that agitating friction head uses
That orders is permanent.
Embodiment 3:
Preferably, being advanced optimized on the basis of the above embodiments, especially for the utility model is better achieved
Using following setting structures:
As shown in Figure 1, the angle of the bus and vertical direction of first step 4 and second step 5 is 0 °~30 °, preferably
15°.The bus and vertical direction of first step 4 and second step 5 have angle, and the mixing needle of agitating friction head 2 can be made fast
Penetrating in welded piece for speed, reduces the degree of difficulty that mixing needle penetrates, to improve the durability that mixing needle uses.
Embodiment 4:
Preferably, being advanced optimized on the basis of the above embodiments, especially for the utility model is better achieved
Using following setting structures:
As shown in Figure 1, above-mentioned aid handle 1, agitating friction head 2, first step 4 and second step 5 are overall processing
Molding structure, to guarantee the stabilized soil pavement of 2 structure of agitating friction head.Accommodate handle 1, agitating friction head 2, first step 4
And the material of second step 5 is mould steel.It can also be carried out corresponding according to the different purposes of friction stir welding tool
Surface coated treatment further enhances the resistance to of friction stir welding tool to extend the service life of friction stir welding tool
Mill property and high temperature resistance.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.
Claims (10)
1. a kind of friction stir welding tool, which is characterized in that including agitating friction head (2), the bottom of the agitating friction head (2)
Portion is disposed with N group step, and the center of step described in every group is conllinear with the center of the agitating friction head (2), described in every group
The diameter of step successively successively decreases, N > 1.
2. friction stir welding tool according to claim 1, which is characterized in that the bottom of the agitating friction head (2)
For the initial shaft shoulder (3), the N-1 group step is the shaft shoulder of the N group step, and the N group step is described in N-1 group
The mixing needle of step.
3. friction stir welding tool according to claim 2, which is characterized in that be fillet mistake between step described in every group
Cross connection.
4. friction stir welding tool according to claim 3, which is characterized in that the bottom of the agitating friction head (2)
It is disposed with first step (4) and second step (5).
5. friction stir welding tool according to claim 4, which is characterized in that the height of the first step (4) is 6
Millimeter, the height of the second step (5) are 2 millimeters.
6. friction stir welding tool according to claim 5, which is characterized in that the bottom of the agitating friction head (2)
Diameter is 16 millimeters, and the diameter of the first step (4) is 8 millimeters, and the diameter of the second step (5) is 4 millimeters.
7. friction stir welding tool according to claim 6, which is characterized in that the first step (4) and described the
The bus of two steps (5) and the angle of vertical direction are 0 °~30 °.
8. friction stir welding tool according to any one of claim 1 to 7, which is characterized in that the agitating friction
Aid handle (1) is provided at the top of head (2).
9. friction stir welding tool according to claim 8, which is characterized in that the aid handle (1), agitating friction head
(2) and the N group step is integral forming structure.
10. friction stir welding tool according to claim 9, which is characterized in that the aid handle (1), agitating friction
The material of head (2) and the N group step is mould steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920321991.1U CN209664569U (en) | 2019-03-13 | 2019-03-13 | A kind of friction stir welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920321991.1U CN209664569U (en) | 2019-03-13 | 2019-03-13 | A kind of friction stir welding tool |
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| Publication Number | Publication Date |
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| CN209664569U true CN209664569U (en) | 2019-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920321991.1U Active CN209664569U (en) | 2019-03-13 | 2019-03-13 | A kind of friction stir welding tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226950A (en) * | 2021-12-13 | 2022-03-25 | 北京碳垣新材料科技有限公司 | Thick plate welding stirring head and thick plate welding equipment |
-
2019
- 2019-03-13 CN CN201920321991.1U patent/CN209664569U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226950A (en) * | 2021-12-13 | 2022-03-25 | 北京碳垣新材料科技有限公司 | Thick plate welding stirring head and thick plate welding equipment |
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Address after: 100071 1111, 11th floor, building 3, yard 6, fengke Road, Fengtai District, Beijing Patentee after: Beijing shijiabo Technology Group Co.,Ltd. Address before: 100071 1607, building 2, yard 128, South Fourth Ring Road West, Fengtai District, Beijing Patentee before: BEIJING SOONCABLE TECHNOLOGY DEVELOPMENT CO.,LTD. |