CN109202273A - A kind of silk filling agitating friction increasing material manufacturing device and increasing material manufacturing method - Google Patents
A kind of silk filling agitating friction increasing material manufacturing device and increasing material manufacturing method Download PDFInfo
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- CN109202273A CN109202273A CN201810235551.4A CN201810235551A CN109202273A CN 109202273 A CN109202273 A CN 109202273A CN 201810235551 A CN201810235551 A CN 201810235551A CN 109202273 A CN109202273 A CN 109202273A
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- shaft shoulder
- mixing needle
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- helicla flute
- agitating friction
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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
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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
- B23K20/1215—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 for other purposes than joining, e.g. built-up welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Forging (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
本发明涉及一种填丝搅拌摩擦增材制造装置及增材制造方法，该装置包括搅拌针、轴肩、丝材和基体，丝材放置于搅拌针内部的送丝孔中，丝材的端部从搅拌针侧壁伸出，搅拌针插入轴肩内部的轴向通孔中，搅拌针的下端面与轴肩的下端面平齐，轴肩与基体之间存在顶锻力，搅拌针侧壁外表面加工有螺旋槽，螺旋槽延伸至搅拌针下端面，形成槽口作为出料口，轴肩内部的轴向通孔壁上和轴肩下端面均加工有螺旋槽。增材制造时，轴肩在基体待增材区表面旋转并移动，搅拌针不发生旋转运动，丝材在螺旋槽的作用下热塑化并流出，扩散并沉积于基体待增材区表面。该装置和方法可以提高材料利用率和制造效率，解决了搅拌摩擦增材制造加工余量大、材料利用率低的问题。
The invention relates to a wire-filling friction stir additive manufacturing device and an additive manufacturing method. The device comprises a stirring needle, a shaft shoulder, a wire and a base body. The wire is placed in a wire feeding hole inside the stirring needle, and the end of the wire is The part protrudes from the sidewall of the stirring needle, the stirring needle is inserted into the axial through hole inside the shaft shoulder, the lower end face of the stirring needle is flush with the lower end face of the shaft shoulder, there is an upsetting force between the shaft shoulder and the base The outer surface of the wall is machined with a spiral groove, and the spiral groove extends to the lower end face of the stirring needle to form a notch as a discharge port. The axial through hole wall inside the shaft shoulder and the lower end face of the shaft shoulder are machined with spiral grooves. During additive manufacturing, the shaft shoulder rotates and moves on the surface of the substrate to be added, and the stirring needle does not rotate, and the wire is thermally plasticized and flows out under the action of the spiral groove, diffused and deposited on the surface of the substrate to be added. The device and method can improve material utilization rate and manufacturing efficiency, and solve the problems of large processing allowance and low material utilization rate in friction stir additive manufacturing.
Description
The present invention relates to a kind of silk filling agitating friction increasing material manufacturing device and increasing material manufacturing methods, belong to increases material manufacturing technology
Field.
Increasing material manufacturing (Additive Manufacturing, AM) is to be pre-established by computer technology and planning 3D
Model, in conjunction with digitized controlled thermal source successively by material fusing, cladding or superposition, Quick-forming structural member or functor,
With numerical DC speed, dimensionality reduction manufacture, accumulation manufacture, directly manufacture, the quickly five big technical characterstics such as manufacture, by the extensive of the whole world
Concern, brings a series of deep changes to traditional manufacture, can be widely applied to aerospace, national defence, medical treatment, building are set
The fields such as meter, automobile manufacture.
Common metal increasing material manufacturing method has laser, electron beam and electric arc increasing material manufacturing, and 3 kinds of methods have respective excellent
Gesture and the scope of application, but there is a problem of in the increasing material technology of light-alloy more.Metal increasing material manufacturing early-stage study mainly with
Sintering or the mode successively processing of fusing metal material prepare the part of labyrinth, and aluminium alloy is since linear expansion coefficient is big, leads
The reasons such as heating rate height, when leading to laser gain material, shaping rate is slow, light reflectivity is high, and capacity usage ratio the, deformation are big etc.；Electronics
When Shu Zengcai, part size is restricted, and is deformed larger；When electric arc increases material, the deformation of member is serious, size is uncontrollable etc..It stirs
Friction increasing material manufacturing is mixed as a kind of solid phase increasing material manufacturing method, the unique advantage in terms of light-alloy increases material.Existing stirring rubs
Increasing material manufacturing method, predominantly the soldering superposition of multilayer material are wiped, increases material process and is similar to agitating friction weldering multilayer overlap joint, be
Process that overlapped in one space, including the lateral increasing material for increasing material and being parallel to thickness direction perpendicular to lapping direction.Money
Material show agitating friction weldering lap joint structure property and combination interface state it is closely related, be easy to appear interface deformation and
Cold lapping defect can reduce the performance of connector.And the similar overlap joint of agitating friction increasing material manufacturing process, it is also possible to occur corresponding
Defect, to influence to increase material materials microstructure performance.And plate is successively superimposed using the technology that agitating friction welds
Increasing material manufacturing, every one layer of superposition will again clamping it is primary, the whole digitized degree and laser and electron beam etc. for increasing material processing
Increase material method compared to not high.It is big main to realize that the Full-automatic digital of agitating friction increasing material manufacturing processes be currently face one
Problem.Another problem to be solved is how to improve stock utilization.Existing agitating friction increasing material manufacturing method is not
It is able to achieve the high usage of material, increasing material, will be extra after the completion there is still a need for later period machining is carried out to agitating friction blank
Base material part removes.Removal part is more, and the utilization rate of material will be lower.
In short, there are many method of metal increasing material manufacturing, respectively have advantage, is a kind of material preparation with tremendous expansion potentiality
And the method for process integration.Increasing material manufacturing early period, manufacture is mainly formed in researcher by the way of molten material, to material
Material is limited, and as will appear the nodularization of energy surface when aluminium alloy laser gain material, the problems such as utilization rate is low, electron beam increases material and then can
The problems such as generating Metal gasification, deformation.The increases material manufacturing technology that rubs increases material method as a kind of solid phase, and increasing material material has crystal grain
The advantages that tiny, dense structure, be a kind of increasing material method with development potentiality, but there are machining allowance big, stock utilization
The problems such as low.
Summary of the invention
In order to solve the problems in the existing technology, the present invention provides a kind of silk filling agitating friction increasing material manufacturing devices
And increasing material manufacturing method, the high quality increasing material manufacturing of the light metal materials such as aluminium alloy may be implemented, while material benefit can be improved
With rate and manufacture efficiency, solve the problems, such as that multilayer stitch welding agitating friction increasing material manufacturing machining allowance is big, stock utilization is low.
In order to realize the present invention, which employs following technical solutions:
A kind of silk filling agitating friction increasing material manufacturing device, which is characterized in that the increasing material manufacturing device includes mixing needle, the shaft shoulder, silk
Material and matrix are machined with through-hole inside the mixing needle as wire feed hole, are machined with axially extending bore inside the shaft shoulder；Silk material is put
It is placed in the wire feed hole inside mixing needle, the front end of silk material is stretched out from mixing needle side wall, and mixing needle is inserted into the axial direction inside the shaft shoulder
In through-hole, the lower end surface of mixing needle and the lower end surface of the shaft shoulder are concordant, and the lower end surface of the stirring-head of mixing needle and shaft shoulder composition is placed in
Matrix waits for the area Zeng Cai surface, and there are forging force between the shaft shoulder and matrix, mixing needle wall outer surface is machined with helicla flute, helicla flute
It extends to mixing needle lower end surface, forms notch as discharge port, be machined with helicla flute on the axially extending bore wall inside the shaft shoulder, the spiral shell
The rotation direction of spin slot is oppositely oriented with the helicla flute of mixing needle wall outer surface, and shaft shoulder lower end surface is machined with helicla flute, helicla flute
Rotation direction depend on increasing material manufacturing during the shaft shoulder direction of rotation；When work, the shaft shoulder waits for the rotation of the area Zeng Cai surface simultaneously in matrix
Mobile, mixing needle does not rotate the play with axis, under the rubbing action of axially extending bore wall of the silk material end inside the shaft shoulder
Thermoplastification occurs, after thermoplastification material is broken under the shear action of the helicla flute of the axially extending bore wall of the shaft shoulder, with the shaft shoulder
Rotation induced effect enters the gap between mixing needle and the shaft shoulder, and the relative rotary motion between the shaft shoulder and mixing needle is in gap
Material form agitating friction effect, so that material is kept thermoplastification state, while outside shaft shoulder axially extending bore wall and mixing needle side wall
Helicla flute on surface drives thermoplastification material to move down along stirring-head axis from discharge port outflow, the thermoplastification material of outflow
Under the agitating friction effect and forging force effect of shaft shoulder lower end surface helicla flute, spreads and be deposited on matrix and wait for the area Zeng Cai surface.
Further, the wire feed axially bored line and stirring needle axis at an angle, enable silk material from mixing needle side wall
It stretches out.
Further, the spiral shell on the helicla flute of the mixing needle wall outer surface and the axially extending bore wall inside the shaft shoulder
The rotation direction of spin slot each depends on the direction of rotation of the shaft shoulder during increasing material manufacturing.The rotation direction of helicla flute should follow following principle: when
It is opposite between the helicla flute on the helicla flute of mixing needle wall outer surface and the axially extending bore wall inside the shaft shoulder when shaft shoulder rotates
Rotary motion generates downward synthesis to the packing material of thermoplastification.
Further, it drives the shaft shoulder to rotate using agitating friction soldering equipment, and applies the top between the shaft shoulder and matrix
Forge power.
Further, it is made not rotate the play with axis using fixed device constraint mixing needle.
Further, described matrix is plate or complex-curved structural member.
Further, described matrix is band muscle siding, grid beam structure or air intake duct.
The present invention also provides the methods for carrying out increasing material manufacturing using above-mentioned silk filling agitating friction increasing material manufacturing device, special
Sign is, includes the following steps:
1) mixing needle is inserted into the axially extending bore inside the shaft shoulder；
2) silk material is inserted into the wire feed hole inside mixing needle, until silk material front end touches shaft shoulder inner wall；
3) stirring-head that the shaft shoulder and mixing needle form is placed at matrix and waits for the area Zeng Cai surface；
4) under driving force effect, shaft shoulder rotation simultaneously waits for the movement of the area Zeng Cai in matrix surface, while the shaft shoulder being kept to wait increasing with matrix
There are forging forces between material area；Under restraining force effect, mixing needle does not rotate the play with axis；
5) rubbing action of axially extending bore wall of the silk material end inside the shaft shoulder issues heat plasticizing, and thermoplastification material is in the shaft shoulder
After being broken under the shear action of the helicla flute of axially extending bore wall, with the rotation induced effect of the shaft shoulder enter mixing needle and the shaft shoulder it
Between gap, relative rotary motion between the shaft shoulder and mixing needle forms agitating friction effect to the material in gap, makes material
Thermoplastification state is kept, while the helicla flute on shaft shoulder axially extending bore wall and mixing needle wall outer surface drives thermoplastification material edge
Stirring-head axis is moved down to flow out from discharge port, and the thermoplastification material of outflow is made in the agitating friction of shaft shoulder lower end surface helicla flute
With and forging force effect under, spread and be deposited on matrix and wait for the area Zeng Cai surface, realization is covered to the area Zeng Cai monolayer material heap；
6) it is covered to the area Zeng Cai repetition monolayer material heap, realizes that multilayer material heap covers, until increasing material height required for reaching.
Technical effect of the invention is as follows:
(1) the light gold such as aluminium alloy may be implemented in silk filling agitating friction increasing material manufacturing device provided by the invention and increasing material manufacturing method
Belong to the high quality increasing material manufacturing of material, while stock utilization and manufacture efficiency can be improved, solves multilayer stitch welding agitating friction
The problem that increasing material manufacturing machining allowance is big, stock utilization is low.
(2) silk filling agitating friction increasing material manufacturing device provided by the invention and increasing material manufacturing method can realize aircraft band muscle wall
The high efficiency of plate and grid beam structure, low cost manufacturing, and manufacturing process flexibility is high, material structure refinement, obdurability is high, is flying
It has a good application prospect in the machine aluminium alloy fuselage band structures such as muscle wall panel structure, grid beam structure, air intake duct.
(3) silk filling agitating friction increasing material manufacturing device provided by the invention and increasing material manufacturing method may be implemented complex-curved
The manufacture of structural al alloy material reinforcing rib and reinforcing frame is based on design optimization, can also realize random-space-curve distribution
Reinforcement structure manufacture, solves the problems, such as that manufacturing processes customary is difficult to manufacture or manufacturing cost is excessively high.
(4) silk filling agitating friction increasing material manufacturing device provided by the invention and increasing material manufacturing method can carrier rocket,
It is widely applied in the manufacture of the aluminum alloy strip muscle wall panel structure in the fields such as ship, automobile or complicated grid beam structure, realizes aluminium
The efficient of alloy labyrinth, high quality, low cost manufacturing.
Detailed description of the invention
Fig. 1 silk filling agitating friction increasing material manufacturing schematic diagram；
Fig. 2 stirring-head end face shape schematic diagram；
Fig. 3 mixing needle pattern schematic diagram；
Fig. 4 shaft shoulder pattern schematic diagram.
In figure: 1- mixing needle；The 2- shaft shoulder；3- silk material；4- matrix；The discharge port of 5- mixing needle lower end surface；6- shaft shoulder lower end
The helicla flute in face；The helicla flute of 7- mixing needle wall outer surface；The outlet of 8- wire feed hole lower end；Axially extending bore wall inside the 9- shaft shoulder
On helicla flute.
Specific embodiment
Combined with specific embodiments below with Figure of description to a kind of silk filling agitating friction increasing material manufacturing device of the invention
And increasing material manufacturing method is further elaborated, but protection content of the invention is not limited to following embodiment.
Embodiment 1
As shown in Figures 1 to 4, a kind of silk filling agitating friction increasing material manufacturing device includes mixing needle 1, the shaft shoulder 2, silk material 3 and matrix
4, mixing needle and the shaft shoulder are combined and are defined as stirring-head, and through-hole is machined with inside mixing needle 1 as wire feed hole, wire feed hole axle
At an angle, so that silk material be allow to stretch out from mixing needle side wall, the position in wire feed hole and quantity are or not line and stirring needle axis
It limits.Axially extending bore is machined with inside the shaft shoulder 2；Silk material 3 is placed in the wire feed hole inside mixing needle 1, the end of silk material
Portion is stretched out from the wire feed hole lower end of mixing needle side wall outlet 8, and mixing needle 1 is inserted into the axially extending bore inside the shaft shoulder 2, mixing needle
Lower end surface is concordant with the lower end surface of the shaft shoulder, and the lower end surface for the stirring-head that mixing needle 1 and the shaft shoulder 2 form is placed in matrix 4 to the area Zeng Cai
Surface, there are forging force between the shaft shoulder 2 and matrix 4,1 wall outer surface of mixing needle is machined with helicla flute i.e. mixing needle side wall appearance
The helicla flute 7 in face, the helicla flute extend to mixing needle lower end surface, form notch and are defined as discharge port for exporting material and stir
The discharge port 5 of needle lower end surface is mixed, the quantity of helicla flute is without limitation.Helicla flute is machined with i.e. on axially extending bore wall inside the shaft shoulder
The helicla flute 9 on axially extending bore wall inside the shaft shoulder, the rotation of the helicla flute of the rotation direction and mixing needle wall outer surface of the helicla flute
To on the contrary, the quantity of helicla flute without limitation, mixing needle side wall helicla flute and shaft shoulder spiral inner wall slot rotation direction depend on stirring and rub
Shaft shoulder direction of rotation during increasing material is wiped, the rotation direction of helicla flute should follow following principle: when shaft shoulder rotation, outside mixing needle side wall
Filling of the relative rotary motion between helicla flute to thermoplastification on the helicla flute on surface and the axially extending bore wall inside the shaft shoulder
Material generates downward synthesis.The final purpose of helicla flute be drive the material of thermoplastification along stirring-head axis to flow down
It is dynamic.Shaft shoulder lower end surface is machined with the helicla flute i.e. helicla flute 6 of shaft shoulder lower end surface, and the rotation direction of the helicla flute depends on increasing material manufacturing
The direction of rotation of the shaft shoulder in journey, final purpose are to drive plasticized metal under shaft shoulder end face to external diffusion.Mixing needle outer diameter is smaller
In shaft shoulder internal diameter, so that the shaft shoulder can be inserted in mixing needle.Silk material diameter is slightly less than the hole that fills silk, so that silk filling can be inserted in silk material
Hole.Matrix can be but not limited to plate.
When carrying out increasing material manufacturing, the shaft shoulder waits for that the area Zeng Cai surface rotates and moves in matrix, and mixing needle does not rotate and axis
The play of line, the rubbing action of axially extending bore wall of the silk material end inside the shaft shoulder issue heat plasticizing, and thermoplastification material is in axis
After being broken under the shear action of the helicla flute of the axially extending bore wall of shoulder, enter mixing needle and axis with the rotation induced effect of the shaft shoulder
Gap between shoulder, the relative rotary motion between the shaft shoulder and mixing needle form agitating friction effect to the material in gap, make
Material keeps thermoplastification state, while the helicla flute on shaft shoulder axially extending bore wall and mixing needle wall outer surface drives thermoplastification material
Material, which is moved down along stirring-head axis from discharge port, to flow out, and the thermoplastification material of outflow rubs in the stirring of shaft shoulder lower end surface helicla flute
Under wiping effect and forging force effect, spreads and be deposited on matrix and wait for the area Zeng Cai surface, realization is covered to the area Zeng Cai monolayer material heap；?
Monolayer material heap is repeated to the area Zeng Cai to cover, realizes that multilayer material heap covers, until increasing material height required for reaching.
The implementation process for carrying out increasing material manufacturing using above-mentioned silk filling agitating friction increasing material manufacturing device is as follows: firstly, stirring
Needle is inserted into the axially extending bore inside the shaft shoulder, and silk material is inserted into inside mixing needle by wire feed hole, until silk material leading portion touches axis
Until axially extending bore wall inside shoulder.Shaft shoulder high speed rotation under outer power drive, while certain upset is kept between matrix
Power, mixing needle external force constraint effect under do not rotate and along axis play.The shaft shoulder is under high speed rotation state, with certain
Speed wait for that the area Zeng Cai is mobile in matrix surface.The friction of axially extending bore wall of the silk material front end inside the high-speed rotating shaft shoulder is made
With issuing heat plasticizing, while with the shaft shoulder after being broken under the shear action of the helicla flute on the axially extending bore wall inside the shaft shoulder
Rotation induced effect enter the gap between mixing needle and the shaft shoulder.Largely broken thermoplastification material enters and fills gap,
Relative rotary motion between the shaft shoulder and mixing needle forms agitating friction effect to the material in gap, and material is made to keep thermoplastification
State, while the axially extending bore wall inside the shaft shoulder and the helicla flute on mixing needle wall outer surface drive plastifying material along stirring-head
Axis moves down.When a large amount of plastifying materials continuously arrive at the matrix surface of shaft shoulder lower end surface, shaft shoulder lower end surface
Helical groove structure drives plastifying material rapidly to external diffusion, the agitating friction effect of helicla flute and upset masterpiece in shaft shoulder lower end surface
Under, thermoplastification material is finally deposited on matrix surface.Simultaneously as stirring-head is along moving for track is preset, realizes and increase material
Area's monolayer material heap covers.According to the required height for increasing material, monolayer material heap can be repeated in the area Zeng Cai and covered, carry out multilayer material heap
It covers, until increasing material height required for reaching.After increasing material, according to the design needs, the machinery such as milling can be carried out to the area Zeng Cai
Processing.
Wherein, it using the driving shaft shoulder rotation of convention stir friction welding apparatus and to matrix application forging force, is filled using fixed
It sets constraint mixing needle and does not rotate the play for moving and not occurring along axis, mixing needle lower end surface and shaft shoulder lower end surface are kept
It flushes.
When carrying out increasing material manufacturing, the size of forging force should ensure that thermoplastification material can effectively be deposited on matrix surface, keep away
Matrix surface can not be flowed to by exempting from the excessive thermoplastification material of forging force, avoid the too small thermoplastification material of forging force from shaft shoulder end surface side
Edge outflow.The range of forging force can but be not limited between 1kN-500kN.Rotation speed can but be not limited to 50rpm-
3000rpm does not occur that heat input is too low or heat input is excessively high is advisable to guarantee to generate enough heat inputs to silk material and matrix.
Movement speed can but be not limited to 10-1000mm/min, movement speed should ensure that in the stirring tool unit time in matrix table
Face generates enough heat inputs.
Specific structure, material and the parameter of use can are as follows: shaft shoulder material is tool steel, shaft shoulder outer diameter about 16mm, in the shaft shoulder
Diameter about 10mm, shaft shoulder axial length about 30mm；Mixing needle outer diameter about 9mm, fill silk bore dia about 2mm, and the hole number that fills silk is 2, edge
It is circumferentially symmetrical to stir needle axis, fill silk axially bored line and about 3 ° of mixing needle axis angle；Silk material is 2024 aluminium alloys, diameter
About 1.5mm；Matrix is thick 2024 aluminum alloy plate materials of 3mm.Shaft shoulder rotation speed about 300rpm, movement speed about 100mm/min, axis
Forging force about 200kN between shoulder lower end surface and matrix.The shaft shoulder is moved in matrix surface along desired guiding trajectory, while inside the shaft shoulder
Axially extending bore wall and mixing needle wall outer surface between gap outflow thermoplastification material uniform deposition in matrix surface.
Claims (8)
1. a kind of silk filling agitating friction increasing material manufacturing device, which is characterized in that the increasing material manufacturing device include mixing needle, the shaft shoulder,
Silk material and matrix are machined with through-hole inside the mixing needle as wire feed hole, are machined with axially extending bore inside the shaft shoulder；Silk material
It is placed in the wire feed hole inside mixing needle, the front end of silk material is stretched out from mixing needle side wall, and mixing needle is inserted into the axis inside the shaft shoulder
Into through-hole, the lower end surface of mixing needle and the lower end surface of the shaft shoulder are concordant, and the lower end surface of the stirring-head of mixing needle and shaft shoulder composition is set
The area Zeng Cai surface is waited in matrix, and there are forging force between the shaft shoulder and matrix, mixing needle wall outer surface is machined with helicla flute, spiral
Slot extends to mixing needle lower end surface, forms notch and is used as discharge port, is machined with helicla flute on the axially extending bore wall inside the shaft shoulder, this
The rotation direction of helicla flute is oppositely oriented with the helicla flute of mixing needle wall outer surface, and shaft shoulder lower end surface is machined with helicla flute, spiral
The rotation direction of slot depends on the direction of rotation of the shaft shoulder during increasing material manufacturing；When work, the shaft shoulder waits for that the area Zeng Cai surface rotates in matrix
And it is mobile, mixing needle does not rotate the play with axis, the rubbing action of axially extending bore wall of the silk material end inside the shaft shoulder
Heat plasticizing is issued, after thermoplastification material is broken under the shear action of the helicla flute of the axially extending bore wall of the shaft shoulder, with the shaft shoulder
Rotation induced effect enter the gap between mixing needle and the shaft shoulder, the relative rotary motion between the shaft shoulder and mixing needle is to gap
In material form agitating friction effect, so that material is kept thermoplastification state, while shaft shoulder axially extending bore wall and mixing needle side wall
Helicla flute on outer surface drives thermoplastification material to move down along stirring-head axis from discharge port outflow, the thermoplastification material of outflow
Expect to spread under the agitating friction effect and forging force effect of shaft shoulder lower end surface helicla flute and be deposited on matrix and wait for the area Zeng Cai table
Face.
2. a kind of silk filling agitating friction increasing material manufacturing device according to claim 1, which is characterized in that the wire feed hole axle
Line and stirring needle axis at an angle, enable silk material to stretch out from mixing needle side wall.
3. a kind of silk filling agitating friction increasing material manufacturing device according to claim 1, which is characterized in that the mixing needle side
The rotation direction of the helicla flute on axially extending bore wall inside the helicla flute of wall outer surface and the shaft shoulder each depends on increasing material manufacturing
The direction of rotation of the shaft shoulder in journey.
4. a kind of silk filling agitating friction increasing material manufacturing device according to claim 1, which is characterized in that use agitating friction
Soldering equipment drives the shaft shoulder rotation, and applies the forging force between the shaft shoulder and matrix.
5. a kind of silk filling agitating friction increasing material manufacturing device according to claim 1, which is characterized in that utilize fixed device
Constraint mixing needle makes it not rotate the play with axis.
6. a kind of silk filling agitating friction increasing material manufacturing device according to claim 1, which is characterized in that described matrix is plate
Material or complex-curved structural member.
7. a kind of silk filling agitating friction increasing material manufacturing device according to claim 1, which is characterized in that described matrix is band
Muscle siding, grid beam structure or air intake duct.
8. using a kind of described in any item sides for the agitating friction increasing material manufacturing device progress increasing material manufacturing that fills silk claim 1-7
Method, which comprises the steps of:
(1) mixing needle is inserted into the axially extending bore inside the shaft shoulder；
(2) silk material is inserted into the wire feed hole inside mixing needle, until silk material front end touches shaft shoulder inner wall；
(3) stirring-head that the shaft shoulder and mixing needle form is placed in matrix and waits for the area Zeng Cai surface；
(4) under driving force effect, shaft shoulder rotation simultaneously waits for the movement of the area Zeng Cai in matrix surface, while the shaft shoulder being kept to wait increasing with matrix
There are forging forces between material area；Under restraining force effect, mixing needle does not rotate the play with axis；
(5) rubbing action of axially extending bore wall of the silk material end inside the shaft shoulder issues heat plasticizing, and thermoplastification material is in the shaft shoulder
Axially extending bore wall helicla flute shear action under be broken after, enter mixing needle and the shaft shoulder with the rotation induced effect of the shaft shoulder
Between gap, relative rotary motion between the shaft shoulder and mixing needle forms agitating friction effect to the material in gap, makes material
Material keeps thermoplastification state, while the helicla flute on shaft shoulder axially extending bore wall and mixing needle wall outer surface drives thermoplastification material
It moves down along stirring-head axis from discharge port and flows out, the agitating friction of the thermoplastification material of outflow in shaft shoulder lower end surface helicla flute
Under effect and forging force effect, spreads and be deposited on matrix and wait for the area Zeng Cai surface, realization is covered to the area Zeng Cai monolayer material heap；
(6) it is covered to the area Zeng Cai repetition monolayer material heap, realizes that multilayer material heap covers, until increasing material height required for reaching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810235551.4A CN109202273B (en) | 2018-03-21 | 2018-03-21 | Wire filling stirring friction additive manufacturing device and additive manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810235551.4A CN109202273B (en) | 2018-03-21 | 2018-03-21 | Wire filling stirring friction additive manufacturing device and additive manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109202273A true CN109202273A (en) | 2019-01-15 |
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| CN114393293A (en) * | 2022-02-15 | 2022-04-26 | 燕山大学 | Additive mixing head with small shoulder area and high surface area mixing needle |
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| CN109570740A (en) * | 2019-02-12 | 2019-04-05 | 黄山学院 | A kind of new stirring-head modified for tool steel mixing yoghurt |
| CN111822844A (en) * | 2019-04-22 | 2020-10-27 | 波音公司 | Tool Head Assemblies for Solid State Additive Manufacturing |
| CN110756984A (en) * | 2019-12-03 | 2020-02-07 | 江苏理工学院 | A kind of double-shaft shoulder filling wire friction welding equipment and welding method |
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| CN112958902A (en) * | 2021-02-05 | 2021-06-15 | 山东大学 | Wire-filling static shaft shoulder friction stir welding and material increase manufacturing device and method |
| CN113001008A (en) * | 2021-02-08 | 2021-06-22 | 昆山万洲特种焊接有限公司 | Large-gap friction stir welding device |
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| CN113927150A (en) * | 2021-11-02 | 2022-01-14 | 上海航天设备制造总厂有限公司 | Middle wire filling type negative pressing-in amount low-acting-force friction stir welding method and equipment |
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| CN114669858A (en) * | 2022-03-15 | 2022-06-28 | 北京索德瀚智能科技有限公司 | A friction heat additive manufacturing device and method |
| CN114799177B (en) * | 2022-04-23 | 2024-03-08 | 哈尔滨工业大学 | A method and device for preparing alloy wire rods by controlled-component friction stir extrusion |
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| CN115213544A (en) * | 2022-06-15 | 2022-10-21 | 南京工业大学 | System and method for manufacturing high-entropy alloy through multi-wire synchronous stirring and material increase |
| CN114951958A (en) * | 2022-06-23 | 2022-08-30 | 华中科技大学 | High-strength aluminum alloy powder core wire material stirring friction additive manufacturing system and method |
| CN115213545B (en) * | 2022-07-22 | 2023-07-28 | 南京航空航天大学 | Solid-phase additive forming control device based on interlayer mechanical sensing |
| CN115213545A (en) * | 2022-07-22 | 2022-10-21 | 南京航空航天大学 | Solid-phase additive forming control device and method based on interlayer mechanical sensing |
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| CN115383279A (en) * | 2022-08-28 | 2022-11-25 | 西北工业大学 | Friction stir vibration material disk instrument |
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| CN116160108A (en) * | 2023-03-07 | 2023-05-26 | 西北工业大学 | Solid additive manufacturing device and method by friction stir deposition |
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| US12303994B2 (en) | 2023-08-03 | 2025-05-20 | Blue Origin Manufacturing, LLC | Friction stir additive manufacturing formed parts and structures with integrated passages |
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