CN106001907A - Friction stir welding tool with cooling function - Google Patents
Friction stir welding tool with cooling function Download PDFInfo
- Publication number
- CN106001907A CN106001907A CN201610594877.7A CN201610594877A CN106001907A CN 106001907 A CN106001907 A CN 106001907A CN 201610594877 A CN201610594877 A CN 201610594877A CN 106001907 A CN106001907 A CN 106001907A
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- China
- Prior art keywords
- water inlet
- inlet pipe
- shoulder
- stir welding
- friction stir
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
- B23K20/1255—Tools therefor, e.g. characterised by the shape of the probe
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/003—Cooling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/18—Sheet panels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention relates to a friction stir welding tool, in particular to a friction stir welding tool with a cooling function. The friction stir welding tool aims at solving the problems that in the existing friction stir welding process, a shaft shoulder and a stir pin generate too much heat, the temperature gradient is too large in the thickness direction, and the shaft shoulder and the stir pin are prone to wear or break. A first water inlet pipe installation hole is formed in the axis of a first stir head of the friction stir welding tool and comprises a first water inlet pipe fixing hole, a first transition hole and a first water inlet hole in sequence from bottom to top, the lower end of the first water inlet pipe fixing hole is a first sealed end located at a first stir pin, a first positioning shoulder is provided with a plurality of first water outlet holes in the radial direction, all the first water outlet holes are communicated with the first water inlet pipe fixing hole, a first water inlet pipe is arranged in the first water inlet pipe installation hole, and a plurality of first sealing rubber rings are arranged between the first water inlet pipe and the first water inlet pipe fixing hole. The friction stir welding tool is used for friction stir welding.
Description
Technical field
The present invention relates to a kind of friction stir welding tools, be specifically related to a kind of friction stir welding tools with refrigerating function.
Background technology
Agitating friction weldering (Friction Stir Welding) is the one invented at Britain's institute of welding (TWI) for 1991
Novel solid phase connecting method, overcomes the weld defect problems such as the crackle being easily generated in tradition fusion process and pore, makes to be difficult to
The portion of material of melting welding achieves reliable high-quality and connects, and its operation principle is to have the shaft shoulder (or with mixing needle) with one
Soldering set carry out high speed rotating, produce substantial amounts of frictional heat and plastic deformation heat between instrument and workpiece, make workpiece material local
Plasticizing, when soldering set moves forward along weld interface, plastifying material marches forward side with return effluent under the effect of soldering set,
And under the squeezing action of soldering set, form the solid-phase joint of densification.
But, conventional agitating friction weldering has the disadvantage that: (1), during agitating friction welding thin plate, due to
Violent agitating friction effect, between the shaft shoulder and welded piece, heat production is too high, the heat engine zone of influence, welded piece joint and heat affecting
District's crystal grain is easily roughened, and causes joint mechanical property to be remarkably decreased, and have impact on appearance of weld；(2) weld at agitating friction
During connecing slab, heat production focuses primarily upon at the shaft shoulder and upper surface, causes thermograde on thickness of workpiece direction excessive, with
Time due at mixing needle temperature higher, welding process is easily worn and torn, even fractures.
Summary of the invention
The present invention is to solve present in existing agitating friction weldering process the shaft shoulder and mixing needle heat production is too high, temperature on thickness direction
Gradient is excessive for degree, the shaft shoulder and mixing needle easily occur the problems such as abrasion fractures, and proposes a kind of agitating friction weldering with refrigerating function
Soldering set.
The solution of the present invention one: a kind of friction stir welding tools with refrigerating function, cooling integrated formula centered by described soldering set
Band pin friction stir welding tools, this soldering set includes the first stirring-head, the first water inlet pipe and multiple first O-ring seal, and first stirs
Mix head and include the first mixing needle, the first locating shoulder, the first cylinder and the first grip shank, the first mixing needle, first shaft shoulder,
First locating shoulder, the first cylinder and the first grip shank are formed integrally the most from the bottom to top, the lower surface of the first locating shoulder
Being first shaft shoulder, the lower surface of first shaft shoulder is the first inner concave, and the first mixing needle is positioned at the axle center of the first shaft shoulder end face,
The outer surface of the first locating shoulder is taper, and its tapered lower end diameter is less than upper end diameter, at the axle center of described first stirring-head
Be provided with the first water inlet pipe installing hole, described first water inlet pipe installing hole be followed successively by from the bottom to top the first water inlet pipe fixing hole, first
Transitional pore and the first inlet opening, the lower end of the first water inlet pipe fixing hole is the first blind end, and the first blind end is positioned at first and stirs
Mixing at pin, be radially provided with multiple first apopore at the first locating shoulder, each first apopore and the first water inlet pipe are fixed
Hole communicates, and the first water inlet pipe is arranged in the first water inlet pipe installing hole, multiple first O-ring seals be arranged on the first water inlet pipe with
Between first water inlet pipe fixing hole.
The solution of the present invention two: a kind of friction stir welding tools with refrigerating function, cooling integrated formula centered by described soldering set
Needleless friction stir welding tools, this soldering set includes the second stirring-head, the second water inlet pipe and multiple second O-ring seal, and second stirs
Mix head and include the second locating shoulder, the second cylinder and the second grip shank, the second locating shoulder, the second cylinder and the second folder
Holding handle to be formed integrally the most from the bottom to top, the lower surface of the second locating shoulder is second shaft shoulder, and the lower surface of second shaft shoulder is
Two inner concaves, the outer surface of the second locating shoulder is taper, and its tapered lower end diameter is less than upper end diameter, described second stirring
Being provided with the second water inlet pipe installing hole at the axle center of head, it is solid that described second water inlet pipe installing hole is followed successively by the second water inlet pipe from the bottom to top
Determining hole, the second transitional pore and the second inlet opening, the lower end of the second water inlet pipe fixing hole is the second blind end, and the second blind end
Being positioned at second shaft shoulder, be radially provided with multiple second apopore at the second locating shoulder, each second apopore and second enters
Water pipe fixing hole communicates, and the second water inlet pipe is arranged in the second water inlet pipe installing hole, and multiple second O-ring seals are arranged on second
Between water inlet pipe and the second water inlet pipe fixing hole.
The solution of the present invention three: a kind of friction stir welding tools with refrigerating function, described soldering set is that Local cooling is split type
Friction stir welding tools, this soldering set includes the 3rd stirring-head, the 3rd mixing needle, the 3rd O-ring seal and the 4th O-ring seal,
3rd stirring-head includes the 3rd locating shoulder, the 3rd cylinder and the 3rd grip shank, the 3rd locating shoulder, the 3rd cylinder and
3rd grip shank is formed integrally the most from the bottom to top, and the lower surface of the 3rd locating shoulder is the 3rd shaft shoulder, the lower end of the 3rd shaft shoulder
Face is the 3rd inner concave, and the outer surface of the 3rd locating shoulder is taper, and the lower end diameter of its taper is less than upper end diameter, described
Being provided with the 3rd installing hole at the axle center of the 3rd stirring-head, described 3rd installing hole is followed successively by the 3rd mixing needle from the bottom to top and fixes
Hole, the 3rd transitional pore and third through-hole, the axle center at the 3rd locating shoulder is provided with the annular communicated with the 3rd mixing needle fixing hole
Tank, is radially provided with the 3rd inlet opening and the 3rd apopore at the 3rd locating shoulder, and the 3rd inlet opening and the 3rd apopore are equal
Communicating with annular water tank, the diameter of described 3rd inlet opening is more than the diameter of the 3rd apopore, the afterbody straight-bar of the 3rd mixing needle
Be arranged in the 3rd mixing needle fixing hole, the 3rd mixing needle is positioned at the upper and lower side of annular water tank be respectively equipped with upper flange and under
Flange, the 3rd O-ring seal be arranged on the above of upper flange and be sleeved on the 3rd mixing needle afterbody straight-bar on, the 4th fluid sealant
Snare is contained on lower flange.
The present invention compared with prior art has the advantages that
One, friction stir welding tools is carried out forcing cooling by the mode that the present invention utilizes liquid cold, is substantially reduced the shaft shoulder and stirring
The temperature of pin, prevents the overheated shaft shoulder caused and the abrasion of mixing needle, fractures, extend the life-span of the shaft shoulder and mixing needle.
Two, the agitating friction weldering of the present invention respectively thin plate and cut deal devises the different stirrings with cooling effect and rubs
Wipe weldering soldering set, it is to avoid workpiece is overheated, reduce workpiece thermograde in a thickness direction, thus alleviate welded piece and crystalline substance occurs
Grain coarsening phenomenon, improves the mechanical property of joint.
Three, exploitativeness of the present invention is strong, it is possible to meet the requirement that the agitating friction to various thickness welds.
Accompanying drawing explanation
Fig. 1 is the overall structure front view of the present invention program one；
Fig. 2 is the A-A sectional view of Fig. 1；
Fig. 3 is the I partial enlarged drawing of Fig. 2；
Fig. 4 is the overall structure front view of the present invention program two；
Fig. 5 is the B-B sectional view of Fig. 4；
Fig. 6 is II partial enlarged drawing of Fig. 5；
Fig. 7 is the overall structure front view of the present invention program three；
Fig. 8 is the C-C sectional view of Fig. 7；
Fig. 9 is III partial enlarged drawing (in figure, labelling 7-4-1 is mounting-positioning holes) of Fig. 8.
Detailed description of the invention
Detailed description of the invention one: combine Fig. 1～Fig. 3 and present embodiment is described, cooling integrated formula band centered by present embodiment
Pin friction stir welding tools, this soldering set includes first stirring-head the 1, first water inlet pipe 2 and multiple first O-ring seal 3, the
One stirring-head 1 includes the first mixing needle 1-1, the first locating shoulder 1-3, the first cylinder 1-4 and the first grip shank 1-5,
First mixing needle 1-1, the first shaft shoulder 1-2, the first locating shoulder 1-3, the first cylinder 1-4 and the first grip shank 1-5 depend on
Secondary being formed integrally from the bottom to top, the lower surface of the first locating shoulder 1-3 is the first shaft shoulder 1-2, the lower end of the first shaft shoulder 1-2
Face is the first inner concave 1-2-1, and the first mixing needle 1-1 is positioned at the axle center of the first shaft shoulder 1-2 end face, the first locating shoulder
The outer surface of 1-3 is taper, and its tapered lower end diameter is less than upper end diameter, is provided with first and enters at the axle center of the first stirring-head 1
Water pipe installing hole 1-6, described first water inlet pipe installing hole 1-6 be followed successively by from the bottom to top the first water inlet pipe fixing hole 1-6-1,
One transitional pore 1-6-2 and the first inlet opening 1-6-3, the lower end of the first water inlet pipe fixing hole 1-6-1 is the first blind end 1-6-1-1,
And first blind end 1-6-1-1 be positioned at the first mixing needle 1-1, be radially provided with multiple first at the first locating shoulder 1-3
Apopore 1-3-1, each first apopore 1-3-1 and the first water inlet pipe fixing hole 1-6-1 communicate, and the first water inlet pipe 2 is arranged
In the first water inlet pipe installing hole 1-6, multiple first O-ring seals 3 are arranged on the first water inlet pipe 2 and fix with the first water inlet pipe
Between the 1-6-1 of hole.First mixing needle 1-1 is cylinder or cone.Described first water inlet pipe 2 is by the first conical pipe 2-1
Constituting with the first pipe 2-2, the first pipe 2-2 and the first conical pipe 2-1 is setting up and down and is formed integrally, the first conical pipe
The lower end diameter of 2-1 is less than upper end diameter.Coolant is flowed into by the first water inlet pipe 2, behind the lower end of the first water inlet pipe 2 from
First apopore 1-3-1 flows out, by the first mixing needle 1-1 and the while coolant flows through the first mixing needle 1-1 region
Cool down at one shaft shoulder 1-2.Present embodiment is mainly used in the agitating friction weldering of cut deal (thickness of slab is at 8mm～15mm),
Wherein coolant is injected by lathe, is directed to different thickness of slab, the welded piece of unlike material, different water inlet pipes can be used straight
Footpath and flow velocity.The material of described soldering set is high-speed steel.Coolant uses cooling water or cooling oil.
Detailed description of the invention two: combine Fig. 2 and Fig. 3 and present embodiment is described, present embodiment is multiple first O-ring seals
3 the most uniform settings, the internal diameter of the first O-ring seal 3 is slightly less than the external diameter of the first water inlet pipe 2, the first fluid sealant
The external diameter of circle 3 aperture slightly larger than the first water inlet pipe fixing hole 1-6-1.As: the internal diameter of the first O-ring seal 3 is 2mm
Time, the external diameter of the first water inlet pipe 2 is 1.5mm～1.8mm, and when the internal diameter of the first O-ring seal 3 is 3mm, first enters
The external diameter of water pipe 2 is 2.5mm～2.8mm；When the external diameter of the first O-ring seal 3 is 3mm, the first water inlet pipe fixing hole
The aperture of 1-6-1 is 2.5mm～2.8mm, when the external diameter of the first O-ring seal 3 is 4mm, and the first water inlet pipe fixing hole
The aperture of 1-6-1 is 3.5mm～3.8mm.So design can ensure that and intercepts flowing up of coolant.Other composition and
Connect identical with detailed description of the invention one.
Detailed description of the invention three: combine Fig. 3 and present embodiment is described, present embodiment is the first locating shoulder 1-3 outer surface
The outside of corresponding each first apopore 1-3-1 is provided with a first groove 1-3-2.So arrange and conveniently connect water-supply-pipe.Its
Its composition and connection are identical with detailed description of the invention one or two.
Detailed description of the invention four: combine Fig. 2 and present embodiment is described, present embodiment is that the material of the first stirring-head 1 is adopted
With high-speed steel or W-Co alloy.Other composition and connection are identical with detailed description of the invention three.
Detailed description of the invention five: combine Fig. 4～Fig. 6 and present embodiment is described, centered by present embodiment cooling integrated formula without
Pin friction stir welding tools, this soldering set includes second stirring-head the 4, second water inlet pipe 5 and multiple second O-ring seal 6, the
Two stirring-heads 4 include the second locating shoulder 4-3, the second cylinder 4-4 and the second grip shank 4-5, the second locating shoulder 4-3,
Second cylinder 4-4 and the second grip shank 4-5 are formed integrally the most from the bottom to top, and the lower surface of the second locating shoulder 4-3 is
Second shaft shoulder 4-2, the lower surface of the second shaft shoulder 1-2 is the second inner concave 4-2-1, and the outer surface of the second locating shoulder 4-3 is
Taper, its tapered lower end diameter is less than upper end diameter, is provided with the second water inlet pipe installing hole at the axle center of described second stirring-head 4
4-6, described second water inlet pipe installing hole 4-6 are followed successively by the second water inlet pipe fixing hole 4-6-1, the second transitional pore 4-6-2 from the bottom to top
With the second inlet opening 4-6-3, the lower end of the second water inlet pipe fixing hole 4-6-1 is the second blind end 4-6-1-1, and second closes
End 4-6-1-1 is positioned at the second shaft shoulder 4-2, is radially provided with multiple second apopore 4-3-1 at the second locating shoulder 4-3,
Each second apopore 4-3-1 and the second water inlet pipe fixing hole 4-6-1 communicates, and the second water inlet pipe 5 is arranged on the second water inlet pipe
In installing hole 4-6, multiple second O-ring seals 6 are arranged between the second water inlet pipe 5 and the second water inlet pipe fixing hole 1-6-1.
Described second water inlet pipe 5 is made up of the second conical pipe 5-1 and the second pipe 5-2, the second pipe 5-2 and the second conical pipe 5-1
Setting up and down and be formed integrally, the lower end diameter of the second pipe 5-2 is less than upper end diameter.Coolant is flowed by the second water inlet pipe 5
Enter, flow out from the second apopore 4-3-1 behind the lower end of the second water inlet pipe 5, at cooling the second liquid stream through shaft shoulder 1-2 region
While will at the second shaft shoulder 1-2 cool down.Present embodiment is mainly used in the stirring of thin plate (thickness of slab is at below 2mm)
Friction welding (FW), wherein coolant is injected by lathe, is directed to different thickness of slab, the welded piece of unlike material, can use different
Water inlet pipe diameter and flow velocity.The material of described soldering set is high-speed steel.Coolant uses cooling water or cooling oil.
Detailed description of the invention six: combine Fig. 5 and Fig. 6 and present embodiment is described, present embodiment is multiple second O-ring seals
6 the most uniform settings, the internal diameter of the second O-ring seal 6 is slightly less than the external diameter of the second water inlet pipe 5, the second fluid sealant
The external diameter of circle 6 aperture slightly larger than the second water inlet pipe fixing hole 4-6-1.As: the internal diameter of the second O-ring seal 6 is 2mm
Time, the external diameter of the second water inlet pipe 5 is 1.5mm～1.8mm, and when the internal diameter of the second O-ring seal 6 is 3mm, second enters
The external diameter of water pipe 5 is 2.5mm～2.8mm；When the external diameter of the second O-ring seal 6 is 3mm, the second water inlet pipe fixing hole
The aperture of 4-6-1 is 2.5mm～2.8mm, when the external diameter of the second O-ring seal 6 is 4mm, and the second water inlet pipe fixing hole
The aperture of 4-6-1 is 3.5mm～3.8mm.So design can ensure that and intercepts flowing up of coolant.Other composition and
Connect identical with detailed description of the invention five.
Detailed description of the invention seven: combine Fig. 6 and present embodiment is described, present embodiment is the second locating shoulder 4-3 outer surface
The outside of corresponding each second apopore 4-3-1 is provided with a second groove 4-3-2.So arrange and conveniently connect water-supply-pipe.Its
Its composition and connection are identical with detailed description of the invention five or six.
Detailed description of the invention eight: combine Fig. 4 and Fig. 5 and present embodiment is described, present embodiment is the second stirring-head 4
Material uses high-speed steel or W-Co alloy.Other composition and connection are identical with detailed description of the invention seven.
Detailed description of the invention nine: combine Fig. 7～Fig. 9 and present embodiment is described, present embodiment is that Local cooling is split type stirs
Mixing friction welding (FW) soldering set, this soldering set includes the 3rd stirring-head the 7, the 3rd mixing needle the 8, the 3rd O-ring seal 9 and the 4th fluid sealant
Circle 10, the 3rd stirring-head 7 includes the 3rd locating shoulder 7-3, the 3rd cylinder 7-4 and the 3rd grip shank 7-5, and the 3rd is fixed
Position shoulder 7-3, the 3rd cylinder 7-4 and the 3rd grip shank 7-5 are formed integrally the most from the bottom to top, the 3rd locating shoulder 7-3
Lower surface be the 3rd shaft shoulder 7-2, the lower surface of the 3rd shaft shoulder 7-2 is the 3rd inner concave 7-2-1, the 3rd locating shoulder 7-3
Outer surface be taper, the lower end diameter of its taper be less than upper end diameter, be provided with the 3rd installation at the axle center of the 3rd stirring-head 7
Hole 7-6, the 3rd installing hole 7-6 are followed successively by the 3rd mixing needle fixing hole 7-6-1, the 3rd transitional pore 7-6-2 and from the bottom to top
Three through hole 7-6-3, the axle center at the 3rd locating shoulder 7-3 is provided with the annular water tank communicated with the 3rd mixing needle fixing hole 7-6-1
7-3-1, is radially provided with the 3rd inlet opening 7-3-2 and the 3rd apopore 7-3-3 at the 3rd locating shoulder 7-3, the 3rd water inlet
Hole 7-3-2 and the 3rd apopore 7-3-3 all communicates with annular water tank 7-3-1, and the diameter of the 3rd inlet opening 7-3-2 is more than the 3rd
The diameter of apopore 7-3-3, the afterbody straight-bar of the 3rd mixing needle 8 is arranged in the 3rd mixing needle fixing hole 7-6-1, and the 3rd
The upper and lower side being positioned at annular water tank 7-3-1 on mixing needle 8 is respectively equipped with upper flange 8-1 and lower flange 8-2, and the 3rd seals
Cushion rubber 9 be arranged on the above of upper flange 8-1 and be sleeved on the 3rd mixing needle 8 afterbody straight-bar on, the 4th O-ring seal 10
It is sleeved on lower flange 8-2.Coolant is flowed into by the 3rd inlet opening 7-3-2, from the 3rd water outlet after annular water tank 7-3-1
Hole 7-3-3 flows out, by the 3rd mixing needle 8 and the 3rd shaft shoulder 7-2 cooling while coolant flows through annular water tank 7-3-1.
Present embodiment uses side feed liquor mode, is mainly used in the weldering of various agitating friction, and wherein coolant is cooled down by applied cyclic
Liquid device injects, and is directed to different thickness of slab, the welded piece of unlike material, can use different circulating cooling flow velocities.Institute
The material stating soldering set is high-speed steel.Coolant uses cooling water or cooling oil.3rd O-ring seal 9 and the 4th O-ring seal
10 can intercept coolant overflows from annular water tank 7-3-1.Corresponding 3rd inlet opening of described 3rd locating shoulder 7-3 outer surface
It is respectively equipped with the 3rd groove 7-3-4 at 7-3-2 and the 3rd apopore 7-3-3.
Detailed description of the invention ten: combine Fig. 7 and Fig. 8 and present embodiment is described, present embodiment is the 3rd stirring-head 7 and
Three mixing needles 8 use different materials, and the 3rd stirring-head 7 uses high-speed steel, and the 3rd mixing needle 8 uses W-Co alloy.Its
Its composition and connecting relation are identical with detailed description of the invention nine.
Claims (10)
1. there is a friction stir welding tools for refrigerating function, cooling integrated formula band pin agitating friction weldering centered by described soldering set
Soldering set, this soldering set includes the first stirring-head (1), the first water inlet pipe (2) and multiple first O-ring seal (3), the first stirring
Head (1) includes the first mixing needle (1-1), the first locating shoulder (1-3), the first cylinder (1-4) and the first grip shank (1-5),
First mixing needle (1-1), first shaft shoulder (1-2), the first locating shoulder (1-3), the first cylinder (1-4) and the first folder
Holding handle (1-5) to be formed integrally the most from the bottom to top, the lower surface of the first locating shoulder (1-3) is first shaft shoulder (1-2), the
The lower surface of one shaft shoulder (1-2) is the first inner concave (1-2-1), and the first mixing needle (1-1) is positioned at first shaft shoulder (1-2) end
At the axle center in face, the outer surface of the first locating shoulder (1-3) is taper, and its tapered lower end diameter is less than upper end diameter, and it is special
Levy and be: at the axle center of described first stirring-head (1), be provided with the first water inlet pipe installing hole (1-6), described first water inlet pipe peace
Dress hole (1-6) is followed successively by the first water inlet pipe fixing hole (1-6-1), First Transition hole (1-6-2) and the first water inlet from the bottom to top
Hole (1-6-3), the lower end of the first water inlet pipe fixing hole (1-6-1) is the first blind end (1-6-1-1), and the first blind end
(1-6-1-1) being positioned at the first mixing needle (1-1) place, the first locating shoulder (1-3) place is radially provided with multiple first apopore
(1-3-1), each first apopore (1-3-1) communicates with the first water inlet pipe fixing hole (1-6-1), the first water inlet pipe (2)
Being arranged in the first water inlet pipe installing hole (1-6), multiple first O-ring seals (3) are arranged on the first water inlet pipe (2) and the
Between one water inlet pipe fixing hole (1-6-1).
The friction stir welding tools with refrigerating function the most according to claim 1, it is characterised in that: the plurality of
One O-ring seal (3) the most uniform setting, the internal diameter of the first O-ring seal (3) is slightly less than the first water inlet pipe (2)
External diameter, the external diameter of the first O-ring seal (3) is slightly larger than the aperture of the first water inlet pipe fixing hole (1-6-1).
The friction stir welding tools with refrigerating function the most according to claim 1 and 2, it is characterised in that: described
The outside of corresponding each first apopore (1-3-1) of one locating shoulder (1-3) outer surface is provided with first groove (1-3-2).
The friction stir welding tools with refrigerating function the most according to claim 3, it is characterised in that: described first
The material of stirring-head (1) uses high-speed steel or W-Co alloy.
5. the shaft shoulder and mixing needle have a friction stir welding tools for refrigerating function, centered by described soldering set cooling integrated formula without
Pin friction stir welding tools, this soldering set includes the second stirring-head (4), the second water inlet pipe (5) and multiple second O-ring seal (6),
Second stirring-head (4) includes the second locating shoulder (4-3), the second cylinder (4-4) and the second grip shank (4-5), second
Locating shoulder (4-3), the second cylinder (4-4) and the second grip shank (4-5) are formed integrally the most from the bottom to top, and second is fixed
The lower surface of position shoulder (4-3) is second shaft shoulder (4-2), and the lower surface of second shaft shoulder (1-2) is the second inner concave (4-2-1),
The outer surface of the second locating shoulder (4-3) is taper, and its tapered lower end diameter is less than upper end diameter, it is characterised in that: described
Be provided with the second water inlet pipe installing hole (4-6) at the axle center of the second stirring-head (4), described second water inlet pipe installing hole (4-6) by
Under supreme the second water inlet pipe fixing hole (4-6-1), the second transitional pore (4-6-2) and the second inlet opening (4-6-3) of being followed successively by,
The lower end of two water inlet pipe fixing holes (4-6-1) is the second blind end (4-6-1-1), and the second blind end (4-6-1-1) is positioned at
Two shaft shoulders (4-2) place, the second locating shoulder (4-3) place is radially provided with multiple second apopore (4-3-1), and each second
Apopore (4-3-1) communicates with the second water inlet pipe fixing hole (4-6-1), and the second water inlet pipe (5) is arranged on the second water inlet pipe
In installing hole (4-6), multiple second O-ring seals (6) are arranged on the second water inlet pipe (5) and the second water inlet pipe fixing hole (1-6-1)
Between.
The friction stir welding tools with refrigerating function the most according to claim 5, it is characterised in that: the plurality of
Two O-ring seals (6) the most uniform setting, the internal diameter of the second O-ring seal (6) is slightly less than the second water inlet pipe (5)
External diameter, the external diameter of the second O-ring seal (6) is slightly larger than the aperture of the second water inlet pipe fixing hole (4-6-1).
7. according to the friction stir welding tools with refrigerating function described in claim 5 or 6, it is characterised in that: described
The outside of corresponding each second apopore (4-3-1) of two locating shoulders (4-3) outer surface is provided with second groove (4-3-2).
The friction stir welding tools with refrigerating function the most according to claim 7, it is characterised in that: described second
The material of stirring-head (4) uses high-speed steel or W-Co alloy.
9. the shaft shoulder and mixing needle have a friction stir welding tools for refrigerating function, and described soldering set is that Local cooling is split type to be stirred
Mixing friction welding (FW) soldering set, this soldering set includes the 3rd stirring-head (7), the 3rd mixing needle (8), the 3rd O-ring seal (9) and the 4th
O-ring seal (10), the 3rd stirring-head (7) includes the 3rd locating shoulder (7-3), the 3rd cylinder (7-4) and the 3rd folder
Holding handle (7-5), the 3rd locating shoulder (7-3), the 3rd cylinder (7-4) and the 3rd grip shank (7-5) are the most from the bottom to top
Being formed integrally, the lower surface of the 3rd locating shoulder (7-3) is the 3rd shaft shoulder (7-2), and the lower surface of the 3rd shaft shoulder (7-2) is
3rd inner concave (7-2-1), the outer surface of the 3rd locating shoulder (7-3) is taper, and the lower end diameter of its taper is less than upper end
Diameter, it is characterised in that: being provided with the 3rd installing hole (7-6) at the axle center of described 3rd stirring-head (7), the described 3rd installs
Hole (7-6) is followed successively by the 3rd mixing needle fixing hole (7-6-1), the 3rd transitional pore (7-6-2) and third through-hole (7-6-3) from the bottom to top,
The axle center at the 3rd locating shoulder (7-3) place is provided with the annular water tank (7-3-1) communicated with the 3rd mixing needle fixing hole (7-6-1),
3rd locating shoulder (7-3) place is radially provided with the 3rd inlet opening (7-3-2) and the 3rd apopore (7-3-3), the 3rd water inlet
Hole (7-3-2) and the 3rd apopore (7-3-3) all communicate with annular water tank (7-3-1), described 3rd inlet opening (7-3-2)
Diameter more than the diameter of the 3rd apopore (7-3-3), it is solid that the afterbody straight-bar of the 3rd mixing needle (8) is arranged on the 3rd mixing needle
Determining in hole (7-6-1), the upper and lower side that the 3rd mixing needle (8) is positioned at annular water tank (7-3-1) is respectively equipped with upper flange
(8-1) and lower flange (8-2), the 3rd O-ring seal (9) is arranged on the above of upper flange (8-1) and is sleeved on the 3rd and stirs
Mixing on the afterbody straight-bar of pin (8), the 4th O-ring seal (10) is sleeved on lower flange (8-2).
The shaft shoulder the most according to claim 9 and mixing needle have the friction stir welding tools of refrigerating function, and its feature exists
In: described 3rd stirring-head (7) and the 3rd mixing needle (8) use different materials, the 3rd stirring-head (7) to use high-speed steel,
3rd mixing needle (8) uses W-Co alloy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610594877.7A CN106001907A (en) | 2016-07-26 | 2016-07-26 | Friction stir welding tool with cooling function |
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| CN201610594877.7A CN106001907A (en) | 2016-07-26 | 2016-07-26 | Friction stir welding tool with cooling function |
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| CN201610594877.7A Pending CN106001907A (en) | 2016-07-26 | 2016-07-26 | Friction stir welding tool with cooling function |
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| CN106735856A (en) * | 2017-02-23 | 2017-05-31 | 江苏科技大学 | A kind of agitating friction head water cooling plant and method |
| CN106808083A (en) * | 2017-02-23 | 2017-06-09 | 江苏科技大学 | A kind of double-shaft shoulder agitating friction head water cooling plant and cooling means |
| CN108746984A (en) * | 2018-06-08 | 2018-11-06 | 河北科技大学 | Built-in cooling friction stir weld device |
| CN109922917A (en) * | 2016-11-01 | 2019-06-21 | 焊接研究院 | Method and apparatus for forming channel in workpiece |
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| CN114523187A (en) * | 2022-01-21 | 2022-05-24 | 山东大学 | Friction stir point connection process based on concave pin-free shoulder reinforced light alloy/thermoplastic composite material connection strength |
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Application publication date: 20161012 |