CN2776617Y - Strong force agitating welding head used for welding low melting point alloy thick plates - Google Patents
Strong force agitating welding head used for welding low melting point alloy thick plates Download PDFInfo
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- CN2776617Y CN2776617Y CN 200520050618 CN200520050618U CN2776617Y CN 2776617 Y CN2776617 Y CN 2776617Y CN 200520050618 CN200520050618 CN 200520050618 CN 200520050618 U CN200520050618 U CN 200520050618U CN 2776617 Y CN2776617 Y CN 2776617Y
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- stirring
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Abstract
The utility model relates to a strong force stirring welding head used for welding thick plates of alloy with low melting point, which is composed of a stirring stick 1, a shoulder 2, a lower heat insulating mattress 3, a clamping body 4 and an upper heat insulating mattress 6, wherein the stirring stick 1 is arranged in a central hole of the shoulder 2; a stalk portion of the shoulder 2 is matched with an inner hole of the clamping body 4; convex keys on the end surface of the clamping body 4 are matched with a groove of the shoulder 2. The utility model can realize stirring heat generation with high-intensity required by the friction stir welding of thick plates to form metal flow with high flow rate and high rheologic pressure, can effectively restrain metal to spill out, can effectively eliminate burrs and tight welding seam tissue is formed. The utility model has the advantages of rapid and convenient disassembly, easy manufacture, good heat insulating performance, fewer wearing parts, high durability, etc.
Description
Technical field the utility model relates to a kind of brute force that is used for the friction stir welding of low-melting alloy welding and stirs soldering tip, belongs to the low-melting alloy welding field.
The background technology friction stir welding is a kind of novel metal low temperature solid phase interconnection technique.Be applicable to the low-melting alloy that is difficult to molten solder, each state is is all competitively researching and developing at present, and in fields such as space flight and aviation, boats and ships, bullet train, armored combat vehicles some successful Application has been arranged.Stirring-head is one of critical component in this new welding process, plays frictional heat, extrusion metal, and water conservancy diversion and upset generate the multiple action of tight weld tissue, require to have performances such as high-strength, wear-resisting, heat insulation, high temperature resistant.Welding for the low-melting alloy slab, from improving the angle of welding temperature, need to improve stirring intensity, promptly improve speed of agitator and strengthen upset force, have mechanical energy to change the heat of coming in unit interval to improve, but the raising of stirring intensity can bring two negative effects: first top layer plastic metal overflows the formation overlap from stirring-head shoulder edge under pressure and action of centrifugal force; Its two be the weld metal zone metal because of metal loss, fill insufficiently, and form open texture even cavity.For high strength that welding the requires stirring of slab, big flow flow of metal and high rheology pressure, common stirring-head is difficult to be competent at, and occurs weld defects such as overlap, tissue looseness and even cavity easily.
Summary of the invention is on the low side because of its lower metal welding temperature in order to solve in the slab stirring welding, and metal flow is big, easily produces the problem that overlap is difficult to weld with the cavity, and the utility model provides a kind of brute force that is used for the low-melting alloy thick plates to stir soldering tip.
A kind of brute force that is used for the low-melting alloy thick plates stirs soldering tip, by splash bar 1, shoulder 2, following heat insulating mattress 3, cramping body 4, form with last heat insulating mattress 6, the bottom of splash bar 1 is the operate portions with rotation parabolic outlines and scroll, top is the face of cylinder, two 120 ° of conic shaped are symmetrically distributed on the face of cylinder, splash bar 1 is loaded in the centre bore of shoulder 2, the shank of shoulder 2 cooperates with cramping body 4 endoporus, the shank of shoulder 2 is fluted, the end face of cramping body 4 is provided with protruding key, the protruding key of the end face of cramping body 4 cooperates with the conic shaped of shoulder 2 grooves and splash bar, cramping body 4 heads have screw, screw 5 screws in the unthreaded hole that passes shoulder 2 shanks and withstands pyramidal pits on the splash bar, the face of cylinder of cramping body shank and key cooperate with stirring main shaft endoporus, it is fastening that screw axial is established at the cramping body center, separates with following heat insulating mattress 3 between the end face of shoulder 2 and cramping body 4, uses heat insulating mattress 6 between cramping body and the stirring main shaft and separate.The each several part function is as follows:
The top of described splash bar 1 is the face of cylinder, two 120 ° of conic shaped are symmetrically distributed on the face of cylinder, and cooperate with the shoulder endoporus, the bottom is the operate portions with rotation parabolic outlines and scroll, employing has the exotic material manufacturing of high red hard temperature, high strength and excellent toughness, and its effect is that the metal to be welded to the weld zone stirs.Form the required superplasticity of stirring friction welding seam and flow in welding process, to obtain the solid phase attachment weld, the rotation parabolic outlines just in time matches with high-temperature region, slab agitating friction welding temperature field, guarantees that the weld zone metal fully plastifies.The scroll rotation direction cooperates with main axis rotation, promotes the plasticizing metal and flows downward, and forms weldering nuclear lower-hierarchy.
There is 170～175 ° the indent conical surface described shoulder 2 lower surfaces, the conical surface is provided with the end face spiral ridge of indent, switched in opposite when poly-direction is with work in it, top is location, the face of cylinder, on establish radial hole and be used for axial restraint, fin end face indent make it have hold the plastic metal that overflows when piercing in, can strengthen and stir give birth to heat, and plastic metal is pressed to the weld zone.Its rotation direction cooperates with the main shaft high speed rotating, shoulder edge metal is pushed to the weld zone, form the high-pressure spray tagma around the splash bar of center, generate weldering nuclear umbrella organisations, the lower-hierarchy that generates with splash bar under the effect of fluid high-pressure is combined closely and is formed the tight weld tissue.Spiral ridge prevents metal loss in the welding process in addition, forms the effect in overlap and welding cavity.
Described heat insulating mattress 3 is down made with thin asbestos board, places between shoulder and the cramping body, plays the heat-insulation and heat-preservation effect, and trap heat to the main shaft transmission, forms big thermograde from stirring area between shoulder and cramping body, keep the temperature of weld zone.
Described cramping body 4 by shank (on) and clamping part (descending) form, shank is the cylinder or the conical locating surface of band key, connect with the welding machine main shaft, center bolted (not drawing among the figure), clamping part is established endoporus and is cooperated with the shoulder locating surface, and drive shoulder with straight end-face key, by screw radially, be used to install holding screw 5 on the face of cylinder.
Screw 5 screws in from the radially screw of cramping body bottom, passes the radial hole on the shoulder positioning cylindrical surface, shoulder is carried out axial restraint, and hold out against the conical pit on the splash bar, and splash bar is carried out the fastening and driving of axial and circumferential.
The described heat insulating mattress 6 of going up is made with thin asbestos board, places between cramping body and the stirring main shaft, plays the heat-insulation and heat-preservation effect, and trap heat to the main shaft transmission, avoids welding heat to cause excessive main shaft temperature rise from cramping body, and makes shoulder keep higher temperature.
Advantage of the present utility model and good effect mainly show in the following areas:
The fin that gathers materials forms the district at weld seam and constitutes stable high voltage rheology district, prevents excessively, has eliminated the welding overlap, and has generated the tight weld tissue; Multistage thermal resistance design effectively suppresses the agitating friction heat loss; Improved the inhomogeneities of slab seam organization along thickness direction; The flowability of high-strength aluminum alloy under the superplasticity state is still relatively poor, and the formed plastic metal fluid high-pressure of the utility model can effectively overcome above-mentioned difficulties, obtains good weld seam.
The utility model can realize that the desired high strength of slab friction stir welding stirs living heat, forms big flow flow of metal and high rheology pressure, can effectively suppress metal and overflow the elimination overlap, generates the tight weld tissue; The utility model also have dismounting quick, easily make, thermal insulation is good, few easy workout part (only need change splash bar) and advantage such as durable in use, be that the novel high-strength aluminium alloy thick plate welds special-purpose stirring tool, significant for development China agitating friction solder technology.
Description of drawings
Fig. 1: assembly drawing of the present utility model;
Fig. 2: explosive view of the present utility model;
Fig. 3: the utility model shoulder indent rib front view that gathers materials;
Fig. 4: the utility model shoulder indent many ribs front view that gathers materials;
Fig. 5: the utility model shoulder indent rib cutaway view that gathers materials.
Below in conjunction with accompanying drawing the course of work of the present utility model is further described.
In welding process, shoulder and surface of the work acutely rub, metal is formed have the funnel-form high-temperature region, the rotation parabolic outlines of splash bar just in time matches with high-temperature region, slab agitating friction welding temperature field, guarantees that the weld zone metal is fully forming seam organization under the plasticizing condition.The shoulder lower surface is provided with the one or more indent spiral fin that gathers materials, and poly-direction cooperates with main axis rotation in the scroll, promotes the plasticizing metal to weldering nuclear center flow, forms to weld and examines umbrella organisations.The lower-hierarchy that generates with splash bar under the effect of fluid high-pressure is combined closely and is formed the tight weld tissue.The indent feature of fin end face makes the utility model when having the living heat of the stirring of reinforcement and assembling the plastic metal effect, the plastic metal that can hold and overflow during airtight piercing, the pressure that keeps the weld zone metal fluid, spiral ridge prevents metal loss in the welding process in addition in ensuing welding process, form the effect in overlap and welding cavity.The two-stage thermal resistance that is made of upper and lower heat insulating mattress prevents the loss of heat of stirring effectively, keeps the weld zone temperature stabilization.As long as pull down screw 5, just can easily change splash bar and shoulder, also only need to change splash bar and shoulder, just can adapt to the technological requirement of different materials and throat thickness.
Claims (3)
1. a brute force that is used for the low-melting alloy thick plates stirs soldering tip, it is characterized in that: mainly comprise splash bar (1), shoulder (2), cramping body (4), the bottom of splash bar is the operate portions with rotation parabolic outlines and scroll, top is the face of cylinder, two 120 ° of conic shaped are symmetrically distributed on the face of cylinder, splash bar is loaded in the centre bore of shoulder, the shank of shoulder cooperates with the cramping body endoporus, the shank of shoulder is fluted, the end face of cramping body is provided with protruding key, the protruding key of the end face of cramping body cooperates with the conic shaped of shoulder groove and splash bar, the cramping body head has screw, screw screws in the unthreaded hole pass the shoulder shank and withstands pyramidal pits on the splash bar, the face of cylinder of cramping body shank and key cooperate with stirring main shaft endoporus, it is fastening that screw axial is established at the cramping body center, separates with following heat insulating mattress between the end face of shoulder and cramping body, uses heat insulating mattress between cramping body and the stirring main shaft and separate.
2. stirring soldering tip according to claim 1 is characterized in that: there is 170～175 ° the indent conical surface described shoulder lower surface, and the conical surface is provided with the end face spiral ridge of indent, switched in opposite when the interior poly-direction of spiral ridge and work.
3. stirring soldering tip according to claim 1 is characterized in that: described heat insulating mattress is thin asbestos board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520050618 CN2776617Y (en) | 2005-03-31 | 2005-03-31 | Strong force agitating welding head used for welding low melting point alloy thick plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520050618 CN2776617Y (en) | 2005-03-31 | 2005-03-31 | Strong force agitating welding head used for welding low melting point alloy thick plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2776617Y true CN2776617Y (en) | 2006-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520050618 Expired - Fee Related CN2776617Y (en) | 2005-03-31 | 2005-03-31 | Strong force agitating welding head used for welding low melting point alloy thick plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2776617Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161130A (en) * | 2010-12-10 | 2011-08-24 | 燕山大学 | A special stirring head employing friction stirring method to mix aluminum and low melting point metal |
| CN102107328B (en) * | 2009-12-23 | 2013-03-27 | 中国科学院金属研究所 | Combined type welding tool used for friction stir welding of metal matrix composite |
| CN103764333A (en) * | 2011-08-21 | 2014-04-30 | 本田技研工业株式会社 | Friction stir welding tool |
| CN103846542A (en) * | 2012-11-29 | 2014-06-11 | 上海航天设备制造总厂 | Solid-phase welding method and device of overlap connection of aluminum materials and high melting point metal |
| CN104958934A (en) * | 2015-06-03 | 2015-10-07 | 西南石油大学 | Cohesion-type foam drainage blender |
| CN104985320A (en) * | 2015-06-23 | 2015-10-21 | 唐远金 | Friction-stir welding equipment |
| CN105033446A (en) * | 2015-09-09 | 2015-11-11 | 苏州润昇精密机械有限公司 | Split type stirring head |
| CN108202181A (en) * | 2017-12-28 | 2018-06-26 | 重庆派馨特机电有限公司 | A kind of adjustable agitating friction weldering handle of a knife of clamping internal diameter |
| CN109877443A (en) * | 2019-03-27 | 2019-06-14 | 榆林学院 | A kind of AZ31 magnesium alloy sheet aclinal friction stir welding method and stirring-head |
| CN113302008A (en) * | 2018-11-15 | 2021-08-24 | 宾工程工厂公司 | Mechanical tool with rotary punch |
| GB2600229A (en) * | 2020-09-01 | 2022-04-27 | Element Six Uk Ltd | Friction stir welding tool insert |
-
2005
- 2005-03-31 CN CN 200520050618 patent/CN2776617Y/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107328B (en) * | 2009-12-23 | 2013-03-27 | 中国科学院金属研究所 | Combined type welding tool used for friction stir welding of metal matrix composite |
| CN102161130B (en) * | 2010-12-10 | 2013-03-27 | 燕山大学 | A special stirring head employing friction stirring method to mix aluminum and low melting point metal |
| CN102161130A (en) * | 2010-12-10 | 2011-08-24 | 燕山大学 | A special stirring head employing friction stirring method to mix aluminum and low melting point metal |
| CN103764333B (en) * | 2011-08-21 | 2016-05-04 | 本田技研工业株式会社 | Welding tool is stirred in friction |
| CN103764333A (en) * | 2011-08-21 | 2014-04-30 | 本田技研工业株式会社 | Friction stir welding tool |
| CN103846542A (en) * | 2012-11-29 | 2014-06-11 | 上海航天设备制造总厂 | Solid-phase welding method and device of overlap connection of aluminum materials and high melting point metal |
| CN104958934A (en) * | 2015-06-03 | 2015-10-07 | 西南石油大学 | Cohesion-type foam drainage blender |
| CN104985320A (en) * | 2015-06-23 | 2015-10-21 | 唐远金 | Friction-stir welding equipment |
| CN104985320B (en) * | 2015-06-23 | 2017-02-22 | 重庆派馨特机电有限公司 | Friction-stir welding equipment |
| CN105033446A (en) * | 2015-09-09 | 2015-11-11 | 苏州润昇精密机械有限公司 | Split type stirring head |
| CN108202181A (en) * | 2017-12-28 | 2018-06-26 | 重庆派馨特机电有限公司 | A kind of adjustable agitating friction weldering handle of a knife of clamping internal diameter |
| CN113302008A (en) * | 2018-11-15 | 2021-08-24 | 宾工程工厂公司 | Mechanical tool with rotary punch |
| CN113302008B (en) * | 2018-11-15 | 2023-08-08 | 宾工程工厂公司 | Mechanical tool with rotary punch |
| CN109877443A (en) * | 2019-03-27 | 2019-06-14 | 榆林学院 | A kind of AZ31 magnesium alloy sheet aclinal friction stir welding method and stirring-head |
| GB2600229A (en) * | 2020-09-01 | 2022-04-27 | Element Six Uk Ltd | Friction stir welding tool insert |
| GB2600229B (en) * | 2020-09-01 | 2023-03-08 | Element Six Uk Ltd | Friction stir welding tool insert |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |