CN207642478U - A kind of effectively insulating stirring friction welding agitator head - Google Patents
A kind of effectively insulating stirring friction welding agitator head Download PDFInfo
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- CN207642478U CN207642478U CN201721645297.2U CN201721645297U CN207642478U CN 207642478 U CN207642478 U CN 207642478U CN 201721645297 U CN201721645297 U CN 201721645297U CN 207642478 U CN207642478 U CN 207642478U
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- thermal barrier
- friction welding
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Abstract
The utility model is related to a kind of effectively insulating stirring friction welding agitator heads, including clamping handle and stirring body, the top of clamping handle is configured to the first cylinder, the lower part of clamping handle is configured to second cylinder coaxially arranged with the first cylinder, the blind hole upwardly extended is provided on the lower face of second cylinder, the upper end of stirring body has the plug division that can be plugged in the blind hole, it is bolted between plug division and the second cylinder, the first thermal barrier coating is coated on the upper surface of the periphery wall of first cylinder and the second cylinder positioned at the first cylinder periphery, ceramic fibre heat insulating mattress is provided between blind hole inner wall and plug division outer wall.First thermal barrier coating can effectively separate heat and be transmitted from stirring-head to machine tool chief axis, heat insulating mattress can effectively reduce the heat on stirring body and be transmitted to clamping handle, to carry out dual partition to heat transfer, not only avoidable main shaft heat is excessively high damages it, heat can also be made to concentrate on stirring body being efficiently used, improve mixing effect.
Description
Technical field
The utility model is related to a kind of effectively insulating stirring friction welding agitator heads.
Background technology
Agitating friction weldering (Friction Stir Welding, abbreviation FSW) be a kind of materials to be welded in the welding process not
The Solid-phase welding technology melted, stirring-head are the key tools in stir friction welding process.Agitating friction weldering completes weldering
The principle connect is：Machine tool chief axis drives stirring friction welding agitator head high speed rotation, while the mixing needle of stirring-head is inserted into weld seam, stirs
It mixes a shaft shoulder and generates the required heat of severe friction generation welding with materials to be welded surface, materials to be welded is made to be heated to high-ductility
State, while high-speed rotating mixing needle drives weld seam adjacent material that violent Plastic Flow occurs, weld seam is violent because material
Soldering is completed under the pressure that agitation and the shaft shoulder apply it.Weld seam adjacent material is in high-ductility solid state in the welding process
And do not melt, therefore it is a kind of solid-state welding technology being different from fusion welding, and compared to fusion welding, agitating friction weldering
Have many advantages, such as that consuming little energy, weld seam performance attractive in appearance be good, generate pernicious gas in welding process.
In stir friction welding process, stirring-head is in the condition of high temperature, in welding aluminum alloy materials, stirring-head and welding
The temperature of Metal contacts position is about 400~500 DEG C, and when welding the refractory metals such as steel, stirring-head temperature may be up to
1000 DEG C or more.Because stirring-head work fashionable dress is clipped on machine tool chief axis, the heat that stirring-head generates at work can be inevitable
The air neutralization being transmitted to around the shaft shoulder be transmitted to machine tool chief axis, increased so as to cause machine tool chief axis temperature, and main shaft temperature mistake
Height can seriously affect service life and the machining accuracy of main shaft.Currently, to prevent main shaft temperature excessively high, it is general to carry out water using to main shaft
The modes such as cold heat dissipation cool down, and it is complicated, of high cost that this method does not only result in equipment, and its heat taken away from main shaft is also unrestrained
Expense is fallen.
Therefore, the stirring header structure used for current agitating friction weldering, is improved up for further.
Utility model content
For the current state of the art, the technical problem to be solved by the utility model is to provide a kind of conjunctions simple in structure
Reason, the effectively insulating stirring friction welding agitator head that can effectively avoid main shaft temperature excessively high.
Technical solution is used by the utility model solves above-mentioned technical problem：A kind of effectively insulating agitating friction weldering is stirred
Head, including clamping handle and stirring body are mixed, the top of the clamping handle is configured to the first cylinder, the lower part forming of the clamping handle
For second cylinder coaxially arranged with the first cylinder, and the outer diameter of second cylinder is more than the outer diameter of the first cylinder,
The blind hole upwardly extended is provided on the lower face of second cylinder, corresponding, the upper end of the stirring body has and can plant
Plug division in the blind hole is bolted between the plug division and second cylinder, it is characterised in that：Described
The first thermal barrier coating is coated on the upper surface of the periphery wall of one cylinder and the second cylinder positioned at the first cylinder periphery,
It is provided with ceramic fibre heat insulating mattress between the blind hole inner wall and plug division outer wall.
In the above scheme, the first connecting hole through blind hole is radially offered on second cylinder, it is corresponding,
Radially offer the second connecting hole on the plug division, the bolt passes through the first connecting hole, the second connecting hole by plug division
It is close to and connects with the second closing cylinder.
As an improvement, being coated with the second thermal barrier coating on the inner wall of first connecting hole, the second connecting hole.The structure
Can the first connecting hole, the second connecting hole inner wall on heat is separated.
It improves again, there is the stirring body main part for being arranged vertically within plug division lower end, the main part to be configured to
The lower edge of the third cylinder equal with the second cylinder outer diameter, the ceramic fibre heat insulating mattress extends radially outward
It is formed with a washer, which is clamped between the lower face of the second cylinder and the upper surface of third cylinder.The structure can
Heat is separated in stirring body upper surface and the contact position of clamping handle lower face.
Preferably, first thermal barrier coating, the second thermal barrier coating thickness be 50~500 μm.
Further preferably, the thickness of first thermal barrier coating is more than the thickness of the second thermal barrier coating.
Preferably, first thermal barrier coating, the second thermal barrier coating are the double-deck knot being made of adhered layer and ceramic layer
Structure.
Compared with prior art, the utility model has the advantage of：The utility model is simple and reasonable for structure, is using
The first cylinder of clamping handle is connect with machine tool chief axis in journey, and the utility model is in the first cylinder periphery wall of clamping handle and position
In being coated with the first thermal barrier coating on the upper surface of the second cylinder of the first cylinder periphery, it can effectively separate heat and stir certainly
It mixes head to transmit to machine tool chief axis, it is heat-insulated that the utility model is also provided with ceramic fibre between blind hole inner wall and plug division outer wall
Pad, the heat insulating mattress can effectively reduce the heat on stirring body and be transmitted to clamping handle, to carry out dual partition to heat transfer, no
Only avoidable main shaft heat is excessively high to damage it, moreover it is possible to make heat concentrate on stirring body being efficiently used, raising is stirred
Mix effect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is the sectional view of clamping handle in the utility model embodiment；
Fig. 4 is the sectional view of stirring body in the utility model embodiment.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing embodiment.
As shown in figures 1-4, the effectively insulating stirring friction welding agitator head of the present embodiment includes clamping handle 1 and stirring body 2,
The top of clamping handle 1 is configured to the first cylinder 11, and the lower part of clamping handle 1 is configured to coaxially arranged with the first cylinder 11
Two cylinders 12, and the outer diameter of second cylinder 12 is more than the outer diameter of the first cylinder 11, the lower face of the second cylinder 12
On be provided with the blind hole 121 upwardly extended, corresponding, the upper end of stirring body 2 has the plug division that can be plugged in the blind hole 121
21, it is connected by bolt 3 between the plug division 21 and the second cylinder 12.
In the present embodiment, the periphery wall of the first cylinder 11 and the second cylinder 12 positioned at 11 periphery of the first cylinder
Upper surface on be coated with the first thermal barrier coating 4, it is heat-insulated to be provided with ceramic fibre between 21 outer wall of blind hole inner wall 121 and plug division
Pad 5.First thermal barrier coating 4 can effectively separate heat and be transmitted from stirring-head to machine tool chief axis, and ceramic fibre heat insulating mattress 5 can effectively drop
Heat on low stirring body 2 is transmitted to clamping handle 1, to carry out dual partition to heat transfer, not only can avoid machine tool chief axis
Heat is excessively high to damage it, moreover it is possible to make heat concentrate on stirring body 2 being efficiently used, improve mixing effect.This reality
The first connecting hole 122 radially offered on the second cylinder 12 of example through blind hole 121 is applied, it is corresponding, on plug division 21
Radially offer the second connecting hole 211, bolt 3 passes through the first connecting hole 122, the second connecting hole 211 by plug division 21 and the
The locking connection of two cylinders 12.First connecting hole 122, the second connecting hole 211 inner wall on be coated with the second thermal barrier coating 6.
Second thermal barrier coating 6 can be further assured that completely separated between stirring body 2 and clamping handle 1, and heat transfer is effectively separated.The
One thermal barrier coating 4, the second thermal barrier coating 6 thickness be 50~500 μm, and the thickness of the first thermal barrier coating 4 be more than the second thermal boundary
The thickness of coating 6.First thermal barrier coating 4, the second thermal barrier coating 5 are the double-layer structure being made of adhered layer and ceramic layer.
The stirring body 2 of the present embodiment has the main part 22 for being arranged vertically within 21 lower end of plug division, the main part 22
It is configured to the third cylinder equal with 12 outer diameter of the second cylinder, the lower edge of ceramic fibre heat insulating mattress 5 radially prolongs
It stretches and is formed with a washer 51, which is clamped between the lower face and the upper surface of third cylinder of the second cylinder 12.
The structure can separate heat in 2 upper surface of stirring body and the contact position of 1 lower face of clamping handle.
Claims (7)
1. a kind of effectively insulating stirring friction welding agitator head, including clamping handle (1) and stirring body (2), the clamping handle (1) it is upper
Portion is configured to the first cylinder (11), and the lower part of the clamping handle (1) is configured to coaxially arranged with the first cylinder (11)
Two cylinders (12), and the outer diameter of second cylinder (12) is more than the outer diameter of the first cylinder (11), second cylinder
(12) blind hole (121) upwardly extended is provided on lower face, corresponding, the upper end of the stirring body (2) has and can be plugged on
Plug division (21) in the blind hole (121), between the plug division (21) and second cylinder (12) even by bolt (3)
It connects, it is characterised in that：The periphery wall of first cylinder (11) and the second cylinder for being located at the first cylinder (11) periphery
(12) it is coated with the first thermal barrier coating (4) on upper surface, is arranged between blind hole (121) inner wall and plug division (21) outer wall
There is ceramic fibre heat insulating mattress (5).
2. effectively insulating stirring friction welding agitator head according to claim 1, it is characterised in that：Second cylinder
(12) the first connecting hole (122) through blind hole (121) is radially offered on, corresponding, plug division (21) the upper edge diameter
To offering the second connecting hole (211), the bolt (3) passes through the first connecting hole (122), the second connecting hole (211) by grafting
Portion (21) is connected with the second cylinder (12) locking.
3. effectively insulating stirring friction welding agitator head according to claim 2, it is characterised in that：First connecting hole
(122), it is coated with the second thermal barrier coating (6) on the inner wall of the second connecting hole (211).
4. effectively insulating stirring friction welding agitator head according to claim 1 or 2 or 3, it is characterised in that：The stirring body
(2) there is the main part (22) for being arranged vertically within plug division (21) lower end, the main part (22) to be configured to and described second
The equal third cylinder of cylinder (12) outer diameter, the lower edge of the ceramic fibre heat insulating mattress (5) extend radially outward shape
Cheng Youyi washers (51), the washer (51) be clamped in the lower face of the second cylinder (12) and third cylinder upper surface it
Between.
5. effectively insulating stirring friction welding agitator head according to claim 1 or 2 or 3, it is characterised in that：First heat
Barrier coating (4), the second thermal barrier coating (6) thickness be 50~500 μm.
6. effectively insulating stirring friction welding agitator head according to claim 5, it is characterised in that：First thermal barrier coating
(4) thickness is more than the thickness of the second thermal barrier coating (6).
7. effectively insulating stirring friction welding agitator head according to claim 1 or 2 or 3, it is characterised in that：First heat
Barrier coating (4), the second thermal barrier coating (6) are the double-layer structure being made of adhered layer and ceramic layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721645297.2U CN207642478U (en) | 2017-11-30 | 2017-11-30 | A kind of effectively insulating stirring friction welding agitator head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721645297.2U CN207642478U (en) | 2017-11-30 | 2017-11-30 | A kind of effectively insulating stirring friction welding agitator head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207642478U true CN207642478U (en) | 2018-07-24 |
Family
ID=62882089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721645297.2U Active CN207642478U (en) | 2017-11-30 | 2017-11-30 | A kind of effectively insulating stirring friction welding agitator head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207642478U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112719568A (en) * | 2021-02-02 | 2021-04-30 | 铜陵学院 | Brazing friction stir welding stirring head with split type abrasive particles arranged in spiral order and machining method thereof |
| TWI768952B (en) * | 2020-09-14 | 2022-06-21 | 國立中正大學 | Friction stir welding adapter and tool holder having a heat insulation system |
-
2017
- 2017-11-30 CN CN201721645297.2U patent/CN207642478U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI768952B (en) * | 2020-09-14 | 2022-06-21 | 國立中正大學 | Friction stir welding adapter and tool holder having a heat insulation system |
| CN112719568A (en) * | 2021-02-02 | 2021-04-30 | 铜陵学院 | Brazing friction stir welding stirring head with split type abrasive particles arranged in spiral order and machining method thereof |
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