CN206519651U - The water-gas combined cooling device of agitating friction head - Google Patents
The water-gas combined cooling device of agitating friction head Download PDFInfo
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- CN206519651U CN206519651U CN201720166334.5U CN201720166334U CN206519651U CN 206519651 U CN206519651 U CN 206519651U CN 201720166334 U CN201720166334 U CN 201720166334U CN 206519651 U CN206519651 U CN 206519651U
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- head
- agitating friction
- stirring
- friction head
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Abstract
The utility model discloses a kind of water-gas combined cooling device of agitating friction head, the water-gas combined cooling device of agitating friction head includes sleeve, is fixed on the sleeve ends and the stirring-head that can be rotated together with sleeve, and extends to the delivery pipe of sleeve inner；The top of the stirring-head has arc-shaped concave, and one is provided with the arc-shaped concave along the axially extending central recess of stirring-head；There are multiple cooling ducts, one end of the cooling duct is located in arc-shaped concave or central recess, and the other end is located at the side wall of stirring-head on the stirring-head；Air pressurizer is fixed with the inside of the sleeve.The utility model does not need special sealing device or circulating water device, reduces cost of manufacture and operation difficulty, simple in construction, practical.The soldering set part is less, with low cost, easy realization and easy to assembly, and this has important practical significance for its popularization with applying.
Description
Technical field
The utility model is related to a kind of non-ferrous metal field of welding processing, is particularly suitable for use in the soldering set of new-type agitating friction weldering
And its use technology.
Background technology
From Britain's institute of welding (TWI) in utility model in 1991 since friction stir welding method, this technology
Because its welding deformation is small, residual stress is small, without protective gas and packing material, can eliminate stomata, be mingled with, the welding such as crackle lacks
Fall into, arc light, flue dust, noise pollution etc. are not produced, while cost can be significantly reduced, material, optimization structure is saved, mitigate aircraft
Construction weight the features such as paid close attention to by scientific research institution of various countries.Because this technology has not available for a lot of other methods
Distinguishing feature, it is used for space industry soon, and the welding of new generation's carrier rocket core level tank cylinder section longitudinal joint is exactly to select
This method.Although using friction stir welding method high-quality welding point can be obtained, but still there are many difficult points,
Such as agitating friction head easily weares and teares at high temperature, influences its service life.Therefore the operating temperature of agitating friction head how is reduced
Into important work.
Prior art one devises special agitating friction head and workpiece cooler, and agitating friction head cooler is arranged on quilt
Welding workpiece protector upper end, agitating friction head is arranged among agitating friction head cooler and welded part protector, cold
But medium is used for indirect cooling and stirring friction head, and cooler construction is complicated.Prior art two is indirect again by cooling medium
Cooling and stirring friction head, designed cooling water system is complicated, it is apparent that the cooling device required for this method is larger
And applicability is not strong；In addition prior art three cools down main tapping by being fixedly installed on the lower section cooler pan of main tapping cabinet
Bar portion, but a variety of in-lines, outlet line are needed, it is necessary to design accumulator and balanced valve, it is actually still a kind of indirectly cold
But method.
Therefore, designing one kind can at utmost realize that agitating friction head refrigerating function can be avoided farthest again
The cooling means and device that influence welding quality is capable of simple and quick operation again become an extremely urgent vital task.
Utility model content
Utility model purpose：In order to overcome in existing stir friction welding process, agitating friction head temperature is higher so as to shadow
The problem of ringing service life, also for indirect control field of welding temperature, the utility model provides a kind of agitating friction head aqueous vapor connection
Close cooling means and device.
Technical scheme：A kind of water-gas combined cooling device of agitating friction head, including sleeve, it is fixed on the sleeve ends simultaneously
The stirring-head that can be rotated together with sleeve, and extend to the delivery pipe of sleeve inner；The top of the stirring-head has arc
One is provided with concave surface, the arc-shaped concave along the axially extending central recess of stirring-head；Have multiple coolings logical on the stirring-head
Road, one end of the cooling duct is located in arc-shaped concave or central recess, and the other end is located at the side wall of stirring-head；The sleeve
Inner side be fixed with Air pressurizer.
In a further embodiment, choke valve is installed in the delivery pipe.The Air pressurizer is fan.Institute
Cooling duct is stated to be uniformly distributed along the circumference of central shaft；The angle of the cooling duct and central shaft is 25-65 degree.The stirring
Head is provided with fixed shoulder, and the fixed shoulder is abutted with the end of sleeve；The outlet of the cooling duct is located under shoulder
Side.
Circular groove, central recess and cooling duct are processed on agitating friction head；Delivery pipe is stretched into sleeve, and worn
Passing through fan；Agitating friction head is fixedly mounted on sleeve lower end；Start welding machine main motor, rotate agitating friction head；Welding is opened
After beginning, warm-up phase, choke valve is opened, starts to convey cooling water；When agitating friction head starts to be lifted and leaves workpiece, stop
Cooling water is only conveyed, in order to avoid cause cooling water in the building up inside of agitating friction head.
Operation principle：Circular groove on agitating friction head is used for the flow direction for limiting cooling water, and central recess is used to store
Certain cooling water, cooling duct relative axis is in tilted layout and distribution relatively substantially symmetrical about its central axis.When cooling water is in gravity, air-flow
Effect contact circular groove when, a part of cooling water enters cooling duct, a part of cooling water and is directly entered in central recess,
Agitating friction head is directly cooled down；It is now circular because the agitating friction head of rotation can make cooling water produce centrifugal motion
Groove can suppress remainder cooling water and continue on circumferencial direction motion, under the high temperature action of agitating friction head, this part
Cooling water can gasify rapidly, and agitating friction head body is discharged along cooling duct in the presence of air pressure difference caused by fan
Outside.If necessary to enhancing cooling effect, choke valve is can adjust, increases water；If undercooling or central recess water storage mistake
It is many, water can be reduced.
Beneficial effect：
1. being cooled down by cooling water to the non-welded part of agitating friction head, agitating friction head temperature is not only reduced
Degree, also reduces sleeve, the temperature of friction stir welding machine head, improves equipment operating environment.
2. a pair agitating friction head, which is cooled down, can not only mitigate adverse effect of the high temperature to agitating friction head, can also between
Connect control field of welding temperature；The cooling medium discharged is gaseous state, will not produce influence to surrounding environment.
3. not needing special sealing device or circulating water device, cost of manufacture and operation difficulty, structure letter are reduced
It is single, practical.The soldering set part is less, with low cost, easy realization and easy to assembly, and this has for its popularization with applying
Important realistic meaning.
Brief description of the drawings
Fig. 1 is the structural representation of the water-gas combined cooling device of agitating friction head.
Fig. 2 is the structural representation of agitating friction head.
Embodiment
As shown in figure 1, in this embodiment, water-gas combined cooling device mainly include choke valve 1, delivery pipe 2, sleeve 3,
Air pressurizer 4 and stirring-head（Or agitating friction head）5.The top of wherein stirring-head 5 has arc-shaped concave 51, stirring-head
On be provided with the central recess 52 coaxial with center line, the periphery of stirring-head has fixed shoulder 53.Along the week of stirring-head central shaft
To being evenly arranged with cooling duct 54.Side wall of the water/gas end positioned at arc-shaped concave or central recess is entered in cooling duct, goes out
Water/gas end is located at the outer wall of stirring-head, and positioned at the lower section of fixed shoulder.
The position of each part or part and annexation in cooling device as can be known from Fig. 1.Choke valve is arranged on delivery pipe
On, the water side of delivery pipe is extended in sleeve, and positioned at the top of arc-shaped concave.In this embodiment, Air pressurizer
For fan, the inner side of sleeve, the top of arc-shaped concave are fixed on.Because fan, sleeve are fixedly connected with stirring-head,
Therefore when rotating, three is to rotate simultaneously.
In welding process, agitating friction head temperature is higher and exceeds well over the feature of the boiling point of water, by cooling water to stirring
The non-welded part for mixing friction head is cooled down, under high temperature action, and the cooling water of gasification is in air pressure difference and agitating friction head
Rotate and quickly leave agitating friction head body under the centrifugal action produced, so that amount of heat has been taken away, and will not be in stirring
Friction head is formed about the accumulation of water.Fan, which rotates, causes the direction of gas to agitating friction head in sleeve to move, so that
Air pressure between agitating friction head and fan is more than the air pressure of agitating friction head external environment condition, forms air pressure
Difference.
In a further embodiment, the circular groove on agitating friction head is used for the flow direction for limiting cooling water, central fovea
Groove is used to store certain cooling water, and circular groove and central recess are connected with cooling duct.Cooling duct relative axis inclines
Tiltedly arrangement and distribution relatively substantially symmetrical about its central axis, the outlet of cooling duct must less than agitating friction head shoulder, in favor of to air
Middle discharge.By adjusting the flow of throttle valve control cooling water, it can control cooling degree, prevent sub-cooled from causing central recess
Water storage is excessive.
The angle of the cooling duct and central shaft is 25-65 degree.The internal diameter of the angle and cooling duct, in the unit interval
Water-carrying capacity, and agitating friction head the parameter such as rotating speed carry out it is preferred.The water in each cooling duct is set to reach predetermined
Water, and then cooling effect can be given full play to.
In a further embodiment, choke valve can use electromagnetic throttle valve；Delivery pipe is used to flow through cooling water, can use
Common stainless steel is made；Sleeve is used to install agitating friction head, should have rigidity, requires there is Corrosion Protection again, therefore
It can be made of high-strength stainless steel material；The centre of the blade of fan passes through delivery pipe, but both do not contact, and can use thin plate
Stainless steel is made；Agitating friction head can be made of general tool steel or high-temperature alloy steel or refractory ceramics.
The diameter range of agitating friction head cooling duct is 2-3mm, axis pair of the cooling duct relative to agitating friction head
Claim distribution, the axis of the axis of each cooling duct 54 with agitating friction head intersects so that cooling water via circular groove or
Central recess enters behind cooling duct, only with its own gravity, can also flow out cooling duct.When the agitating friction of the condition of high temperature
During head height speed rotation, under additional centrifugal action, water droplet absorbs heat and gasified, while can quickly depart from cold
But passage.
The cooling means of the agitating friction head, key step is as follows：
(1) circular groove, central recess and cooling duct are processed on agitating friction head；
(2) delivery pipe is stretched into sleeve, and passes through fan；
(3) agitating friction head is fixedly mounted on sleeve lower end；
(4) start welding machine main motor, rotate agitating friction head；
(5) welding starts, after warm-up phase, opens choke valve 1, starts to convey cooling water；
(5) when agitating friction head starts to be lifted and leaves workpiece, conveying cooling water is stopped, in order to avoid cause cooling water to exist
The building up inside of agitating friction head.
(6) stage is entirely welded, forbids human body exposed position close to agitating friction head, in order to avoid burnt, weld task knot
Shu Hou, friction head to be mixed is cooled to normal temperature, pulls down agitating friction head, checks in central recess whether there is ponding, if any then outwelling
Cooling water.
Delivery pipe transfixion when being welded in welding process, and sleeve, agitating friction head, the wind being fixedly connected with sleeve
Fan is all rotation.There is fixed shoulder on agitating friction head, before welding, agitating friction head upper end is put into sleeve,
The axial movement of agitating friction head is limited using shoulder.
The main points of this method are as follows：In warm-up phase, cooling water flow is closed；When formally starting welding, cooling water is opened；
In welding ending phase, when agitating friction head starts above to carry, cooling water flow is closed；In cooling device during use, forbid
Human body exposed position is close to agitating friction head, to avoid being burnt by high-temperature gas.
In a word, to be directed to agitating friction head temperature in welding process higher and exceed well over the spy of the boiling point of water for the utility model
Levy, the non-welded part of agitating friction head is cooled down by cooling water, produced in air pressure difference and the rotation of agitating friction head
Centrifugal action under, cooling water is by cooling duct and quickly leaves agitating friction head body；Under high temperature action, cooling water
It has been gasified that, be not liquid when leaving agitating friction head, amount of heat has not only been taken away from agitating friction head, and not
The accumulation of water can be formed about in agitating friction head；By controlling water-carrying capacity to can adjust cooling effect；The cooling device is by conveying
Pipe, choke valve, fan, sleeve, agitating friction head composition；Have circular groove, central recess, cooling logical on agitating friction head
Road, cooling duct distribution relatively substantially symmetrical about its central axis.It was found from above-described embodiment, the cooling device is simple in construction, practical, into
Originally it is cheap, easy to realize and easy to assembly, with important practical application meaning.
Preferred embodiment of the present utility model described in detail above, still, the utility model is not limited to above-mentioned reality
The detail in mode is applied, in range of the technology design of the present utility model, the technical solution of the utility model can be entered
The a variety of equivalents of row, these equivalents belong to protection domain of the present utility model.It is further to note that above-mentioned
Each particular technique feature described in embodiment, in the case of reconcilable, can pass through any suitable side
Formula is combined.In order to avoid unnecessary repetition, the utility model no longer separately illustrates to various possible combinations.
Claims (5)
1. a kind of water-gas combined cooling device of agitating friction head, it is characterised in that including sleeve, be fixed on the sleeve ends simultaneously
The stirring-head that can be rotated together with sleeve, and extend to the delivery pipe of sleeve inner；The top of the stirring-head has arc
One is provided with concave surface, the arc-shaped concave along the axially extending central recess of stirring-head；Have multiple coolings logical on the stirring-head
Road, one end of the cooling duct is located in arc-shaped concave or central recess, and the other end is located at the side wall of stirring-head；The sleeve
Inner side be fixed with Air pressurizer.
2. the water-gas combined cooling device of agitating friction head as claimed in claim 1, it is characterised in that installed in the delivery pipe
There is choke valve.
3. the water-gas combined cooling device of agitating friction head as claimed in claim 1, it is characterised in that the Air pressurizer
For fan.
4. the water-gas combined cooling device of agitating friction head as described in any one of claims 1 to 3, it is characterised in that described cold
But passage is uniformly distributed along the circumference of central shaft；The angle of the cooling duct and central shaft is 25-65 degree.
5. the water-gas combined cooling device of agitating friction head as claimed in claim 4, it is characterised in that the stirring-head is provided with
Fixed shoulder, the fixed shoulder is abutted with the end of sleeve；The outlet of the cooling duct is positioned at the lower section of shoulder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720166334.5U CN206519651U (en) | 2017-02-23 | 2017-02-23 | The water-gas combined cooling device of agitating friction head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720166334.5U CN206519651U (en) | 2017-02-23 | 2017-02-23 | The water-gas combined cooling device of agitating friction head |
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| Publication Number | Publication Date |
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| CN206519651U true CN206519651U (en) | 2017-09-26 |
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| CN201720166334.5U Active CN206519651U (en) | 2017-02-23 | 2017-02-23 | The water-gas combined cooling device of agitating friction head |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825905A (en) * | 2017-02-23 | 2017-06-13 | 南京索菲智能装备有限公司 | The water-gas combined cooling device of agitating friction head and method |
| CN107999954A (en) * | 2017-12-11 | 2018-05-08 | 杨立志 | A kind of agitating friction welder using circulating water |
| CN108746984A (en) * | 2018-06-08 | 2018-11-06 | 河北科技大学 | Built-in cooling friction stir weld device |
| CN110455094A (en) * | 2019-07-18 | 2019-11-15 | 派罗特克（广西南宁）高温材料有限公司 | A kind of molten metal rabbling mechanism with flow-guiding radiation ring |
| CN115780999A (en) * | 2023-01-29 | 2023-03-14 | 安徽文达信息工程学院 | Lifting type friction welding head traction frame capable of swinging flexibly |
-
2017
- 2017-02-23 CN CN201720166334.5U patent/CN206519651U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825905A (en) * | 2017-02-23 | 2017-06-13 | 南京索菲智能装备有限公司 | The water-gas combined cooling device of agitating friction head and method |
| CN107999954A (en) * | 2017-12-11 | 2018-05-08 | 杨立志 | A kind of agitating friction welder using circulating water |
| CN108746984A (en) * | 2018-06-08 | 2018-11-06 | 河北科技大学 | Built-in cooling friction stir weld device |
| CN110455094A (en) * | 2019-07-18 | 2019-11-15 | 派罗特克（广西南宁）高温材料有限公司 | A kind of molten metal rabbling mechanism with flow-guiding radiation ring |
| CN110455094B (en) * | 2019-07-18 | 2021-08-03 | 派罗特克（广西南宁）高温材料有限公司 | Molten metal stirring mechanism with flow guide heat dissipation ring |
| CN115780999A (en) * | 2023-01-29 | 2023-03-14 | 安徽文达信息工程学院 | Lifting type friction welding head traction frame capable of swinging flexibly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200422 Address after: 237000 Anhui Pingqiao Yu'an district city of Lu'an province high tech Industrial Zone Patentee after: ANHUI GALLIANZ ADVANCED MATERIALS Co.,Ltd. Address before: 211299, No. 688, Tianshengqiao Avenue, Yong Yang Town, Lishui District, Jiangsu, Nanjing Patentee before: NANJING SUOFEI INTELLIGENT EQUIPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right |