CN101214579A - Heating stirring welding method and stirring head - Google Patents
Heating stirring welding method and stirring head Download PDFInfo
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- CN101214579A CN101214579A CNA2008100638873A CN200810063887A CN101214579A CN 101214579 A CN101214579 A CN 101214579A CN A2008100638873 A CNA2008100638873 A CN A2008100638873A CN 200810063887 A CN200810063887 A CN 200810063887A CN 101214579 A CN101214579 A CN 101214579A
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Abstract
A heating stirring welding method and a stirring head are characterized in that the invention heats the stirring head and a parent metal groove and rotates as well as mixes; and simultaneously moves forwards consistently to lead the parent metal organizations separated at two sides of the parent metal groove to be connected as a body; forms a heating stirring welding connecting welding line after cooling; the stirring head consists of a stirring body (1), a heater (2), a shaft shoulder (3) and a stirring finger (4) as well as upper and lower screw lug bosses (5-1,5-2) with opposite rotating directions. The invention improves the welding heat efficiency, saves energy and reduces consumption, lightens the device weight and reduces the cost to reach the goal of creating a novel welding method.
Description
Technical field:
The invention belongs to welding technology field, relate to, also relate to used in the method stirring-head simultaneously with the mixing welding method between the material elements.
Background technology:
Have patent " Rubing And Stirring Welding Method And Rubing Head " (application number 95192193.2) now, its major technique feature is welded mother metal with hard spin friction head insertion, finishes friction stir weld under the effect of friction and stirring mother metal groove.Though have many advantages aspect the metal solder such as welding of aluminum and alloy thereof, the welding for harder metal (as steel) in the practice is relatively more difficult.This method is to use fricative heat mother metal fusing back to be engaged be one, its deficiency be that friction efficiency is low, power consumption is big, equipment is heavy, price is high.
Summary of the invention:
In order to overcome the deficiency in the background technology, the invention provides a kind of heating mixing welding method, utilize external heat source, directly heat stirring-head and mother metal groove, realize adding the thermal agitation welding.The ratio of the shared welding heat source of frictional heat is very little in the present invention, and mainly with the heat welding of electric heating, flame thermal source, the present invention simultaneously also provides a kind of stirring-head that is used to add the thermal agitation welding.The present invention has improved sweating heat efficient, and is energy-saving and cost-reducing, alleviates weight of equipment, reduces cost, and reaches the purpose of creating a kind of new welding method.
Technical scheme of the present invention is: a kind of heating mixing welding method, before the weldering stirring-head and mother metal groove are heated, when the mother metal groove is heated when reaching the plasticity temperature, gently press insertion mother metal groove and rotation to stir by stirring-head, constantly move forward simultaneously, the mother metal tissue that mother metal groove both sides are separated stirs and links into an integrated entity, and the formation of cooling back adds thermal agitation and is welded to connect weld seam.
Described heating mixing welding method adds heating means electrical heating and flame heat that thermal agitation is welded, and perhaps electric heating and flame are united heating.
Described heating mixing welding method only heats stirring-head, by stirring-head heat is conducted to mother metal, makes it reach the plasticity temperature.
Described heating mixing welding method only heats the mother metal groove, makes it reach the plasticity temperature.
Described heating mixing welding method heats mother metal groove and stirring-head simultaneously, makes the mother metal groove reach the plasticity temperature.
Described heating mixing welding method is used for plastics, aluminium and metal and nonmetallic welding such as alloy, steel.
The used stirring-head of above-mentioned heating mixing welding method, it combines with power part, the upper and lower spiral convex that described stirring-head is referred to by stirring body, heater, the shaft shoulder, stirring and rotation direction is opposite is formed, wherein have the helical form spiral salient of despumation from inside to outside on the side on shaft shoulder disk contact mother metal surface, the hand of spiral is determined by the stirring-head direction of rotation; Stirring refers to and the spiral convex is to make about the mother metal rotary body, stir the moulding of the controlled system mother metal of spiral convex back of weld up and down.The hand of spiral of upper and lower spiral convex is by the decision of stirring-head direction of rotation, and to guarantee mother metal seam organization material mix up and down, one is right-hand screw, and another is a left-hand screw.
The described stirring-head that adds thermal agitation welding usefulness is made by steel, copper and alloy thereof, electric ceramic, pottery and clad material thereof.
The present invention has following beneficial effect: owing to take such scheme, become new welding method after the heating mixing welding method is realized, become friction rabbling welding into directly adding the thermal agitation weldering, the thermal efficiency and welding efficiency have been improved, energy-saving and cost-reducing, equipment alleviates, and weldquality improves.The heating mixing welding method is used for steel, aluminium and metal and nonmetallic welding such as alloy, plastics.Can realize aluminium and alloy thereof are added the thermal agitation welding, plastics is added the thermal agitation welding, steel is added the thermal agitation welding.
Description of drawings:
Accompanying drawing 1 is a stirring-head structural representation of the present invention;
Accompanying drawing 2 is that the heating stirring-head stirs the welding schematic diagram;
Accompanying drawing 3 is that the heating mother metal stirs the welding schematic diagram;
Fig. 4 heats stirring-head and mother metal stirring welding schematic diagram simultaneously.
1-stirring body among the figure, the 2-heater, the 3-shaft shoulder, 4-stir and refer to, 5-spiral convex, the 6-power part, the 7-union body, the 8-mother metal, (2-1,2-2)-flame, (5-1,5-2)-upper and lower spiral convex.
The specific embodiment:
The invention will be further described below in conjunction with accompanying drawing:
The present invention adopts external heat source directly to heat stirring-head and mother metal groove, makes mother metal reach the plasticity temperature, implements rotation with stirring-head then and stirs mother metal groove both sides materials to be welded, and it is linked into an integrated entity.Stirring-head moves forward continuously, and the mother metal that is stirred welding thereafter is cooled to and adds the thermal agitation welding line.
1, add the thermal agitation welding stirring-head of the present invention that uses, its structure has the parts that combine with power, realizes stirring-head rotation, top to bottom, left and right, front and rear moving movement parts; Have self heating and heat is conducted parts to mother metal; Have the mother metal of stirring and make all even eliminating surface impurity of its seam organization, the parts that moulding is good; Have manual or automation control information collection and transmission display unit etc. such as stirring-head rotating speed, temperature, speed, quality, safety.Stirring-head steel, copper and alloy thereof, pottery and cramic coat material are made.
2, add the thermal agitation welding procedure:
1. the assembling of mother metal groove clamps before the weldering;
2. heating; According to being welded quality of parent material and welding process requirement, mode of heating has three kinds: only heat stirring-head, by stirring-head heat is conducted to mother metal, make it reach the plasticity temperature, stir welding then; Second kind of mode of heating is directly to heat the mother metal groove, makes it reach the plasticity temperature, stirs welding then; The third mode of heating is that the heating stirring-head heats mother metal simultaneously.
3. stirring-head inserts mother metal groove center, gently presses by the shaft shoulder, will stir finger pressure and go into the mother metal groove.
4. after mother metal reached the plasticity temperature, stirring-head was pressed the rotating speed rotation of technological specification, and despumation links into an integrated entity mother metal groove both sides organization material mix.
5. speed of welding according to the rules moves stirring-head and thermal source along welding groove and welding direction, carries out so continuously, and stirring-head heats while stirring in the mother metal groove and cools off while moving forward, and forms to add the thermal agitation welding line.
6. work as stirring-head and reach the weld seam tail end, carrying out the ending welding.
7. in order to guarantee to add the thermal agitation welding quality, the technological parameter of Control Welding Process: mother metal temperature, stirring-head rotating speed, speed of welding, stirring-head insertion speed, stirring-head lift speed etc.Technological parameter is by manually or automatically controlling or manually jointly controlling automatically.
3, the heating means of heating mixing welding method: heating is united in flame heat, electrical heating or flame and electrical heating.
By shown in Figure 1, the described used stirring-head of thermal agitation welding that adds, by the stirring body 1 of rounded body shape, the shaft shoulder 3, stir and refer to 4 and stir and refer to that the fixing spiral convexes 5 in 4 surfaces form with power part 6, there are electric heater 2 and stirring body 1 circumferential body to keep certain interval simultaneously, allow the two rotation and heating stirring body 1 relatively.Electric heater 2 is fixed on (not shown) on the frame.
Spiral convex 5 minutes up and down two parts (5-1 5-2), decides spiral convex (5-1,5-2) left and right sides hand of spiral of spiral by stirring body 1 direction of rotation.Spiral convex (5-2) can upwards be pushed away the plastic material of mother metal with last spiral convex (5-1) depress next mother metal plastic material mix, the mother metal plastic material with stirring body 1 rotation drive stirs into one simultaneously.The shaft shoulder 3 lower surfaces have coiled spiral projection 9, and its function is to get rid of the effect of surface impurity and face of weld moulding.Its function of following spiral convex (5-2) is the effect of control back side moulding.Stirring body 1 can be made by steel, copper and alloy thereof, also can be made by pottery, electric ceramic, cramic coat material.
By shown in Figure 2, after adding mother metal 8 assemblings of thermal agitation welding, stirring-head 1 is moved to the welding starting point, the 2 energising preheatings of high-frequency electrical heater, when stirring referred to the plasticity temperature of a little higher than mother metal of 4 surface temperatures, light pressure F made power part 6 promote, make the electric heating amount refer to that by stirring 4 importing mother metals from outward appearance to inner essence heat, make it to reach gradually the plasticity temperature, stir refer to 4 and the spiral convex (5-1 5-2) inserts the mother metal full depth.Start power part 6 rotations, progressively reach the rotating speed of regulation, get rid of surface impurity by the shaft shoulder 3, stirring-head 1 implements to add the thermal agitation weldering along welding direction D and speed of welding, after finishing the total length weld seam, pulls out stirring-head 1, fills up uropore, stall, power failure.
By shown in Figure 3, add mother metal 8 assemblings of thermal agitation welding after, stirring-head is moved to the welding starting point.By flame 2 heating mother metal groove tops (can heat with electric heating air pressure gun 2 during Plastic Welding), when mother metal reaches the plasticity temperature, stirring-head 1 inserts mother metal gradually, rotates the rotating speed that stirring-head 1 reaches regulation, by the shaft shoulder 3 despumations, stirring refers to 4 and spiral convex (5-1,5-2) stir mother metal and be organized into one, the speed of welding of stipulating along welding direction moves forward, until finishing the total length weld seam, pull out stirring-head 1 and fill up uropore, stop heat, stall, inspection welding quality.
By shown in Figure 4, add mother metal 8 assemblings of thermal agitation weldering after, stirring-head 1 is moved to the welding starting point.By flame (2-1,2-2) two-sided heating mother metal groove top, electric heater 2 heating stirring bodies 1, uniting heating makes mother metal reach the plasticity temperature very soon, the stirring of stirring-head 1 refer to 4 and spiral convex 5 insert the mother metal grooves, rotating speed and speed of welding add the thermal agitation welding in accordance with regulations, until finishing whole weld seams.(2-1, but 2-2) also single face heating of two-sided heating, also available electrical heating replaces flame heat to flame.
Claims (8)
1. one kind is heated mixing welding method, it is characterized in that before the weldering stirring-head and mother metal groove being heated, when the mother metal groove is heated when reaching the plasticity temperature, gently press insertion mother metal groove and rotation to stir by stirring-head, constantly move forward simultaneously, the mother metal tissue that mother metal groove both sides are separated stirs and links into an integrated entity, and the formation of cooling back adds thermal agitation and is welded to connect weld seam.
2. a kind of heating mixing welding method according to claim 1 is characterized in that adding heating means electrical heating and the flame heat that thermal agitation is welded, and perhaps electric heating and flame are united heating.
3. a kind of heating mixing welding method according to claim 1 is characterized in that only heating stirring-head, by stirring-head heat is conducted to mother metal, makes it reach the plasticity temperature.
4. a kind of heating mixing welding method according to claim 1 is characterized in that only heating the mother metal groove, makes it reach the plasticity temperature.
5. a kind of heating mixing welding method according to claim 1 is characterized in that heating mother metal groove and stirring-head simultaneously, makes the mother metal groove reach the plasticity temperature.
6. a kind of heating mixing welding method according to claim 1 is characterized in that heating mixing welding method and is used for plastics, aluminium and metal and nonmetallic welding such as alloy, steel.
7. one kind is the custom-designed stirring-head of enforcement claim 1, it is characterized in that described stirring-head combines with power part (6), described stirring-head refers to (4) and the opposite upper and lower spiral convex (5-1 of rotation direction by stirring body (1), heater (2), the shaft shoulder (3), stirring, 5-2) form, wherein have the helical form spiral salient of despumation from inside to outside on the side on the shaft shoulder (3) disk contact mother metal (8) surface, the hand of spiral is determined by the stirring-head direction of rotation; Stirring refers to that (4) and spiral convex (5) are to make about the mother metal rotary body, stir up and down, spiral convex (5) can be controlled mother metal (8) back of weld moulding, upper and lower spiral convex (5-1, hand of spiral 5-2) is determined by the stirring-head direction of rotation, to guarantee mother metal seam organization material mix up and down, one is right-hand screw, and another is a left-hand screw.
8. the stirring-head that adds thermal agitation welding usefulness according to claim 7 is characterized in that described stirring-head made by steel, copper and alloy thereof, electric ceramic, pottery and clad material thereof.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100638873A CN101214579A (en) | 2008-01-21 | 2008-01-21 | Heating stirring welding method and stirring head |
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| CNA2008100638873A CN101214579A (en) | 2008-01-21 | 2008-01-21 | Heating stirring welding method and stirring head |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284787A (en) * | 2011-07-11 | 2011-12-21 | 重庆大学 | Electric heating friction spot welding stirring head and welding method thereof |
| CN102962580A (en) * | 2012-12-24 | 2013-03-13 | 黄山学院 | Friction stir welding equipment for steel plate |
| CN103801819A (en) * | 2014-03-05 | 2014-05-21 | 中国航空工业集团公司北京航空制造工程研究所 | Welding spot area fully stirred key-hole-free friction stir spot welding method and tool |
| CN103817428A (en) * | 2009-06-01 | 2014-05-28 | 日本轻金属株式会社 | Welding method |
| CN105108316A (en) * | 2015-09-15 | 2015-12-02 | 昆山斯格威电子科技有限公司 | Accumulated chipping removing device of stir friction spot welding apparatus |
| CN108015407A (en) * | 2017-12-28 | 2018-05-11 | 重庆派馨特机电有限公司 | A kind of stirring header structure for agitating friction weldering |
| CN109317815A (en) * | 2018-11-09 | 2019-02-12 | 南京航空航天大学 | A kind of method agitating friction weldering welder and welded using the device |
| CN109571967A (en) * | 2019-02-12 | 2019-04-05 | 黄山学院 | A kind of PVC board friction stir connecting method and device |
| CN111805106A (en) * | 2020-08-07 | 2020-10-23 | 张洪涛 | Stirring induction welding method and stirring head |
-
2008
- 2008-01-21 CN CNA2008100638873A patent/CN101214579A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103817428A (en) * | 2009-06-01 | 2014-05-28 | 日本轻金属株式会社 | Welding method |
| CN103817428B (en) * | 2009-06-01 | 2016-08-17 | 日本轻金属株式会社 | Joint method |
| CN102284787A (en) * | 2011-07-11 | 2011-12-21 | 重庆大学 | Electric heating friction spot welding stirring head and welding method thereof |
| CN102962580A (en) * | 2012-12-24 | 2013-03-13 | 黄山学院 | Friction stir welding equipment for steel plate |
| CN102962580B (en) * | 2012-12-24 | 2015-02-25 | 黄山学院 | Friction stir welding equipment for steel plate |
| CN103801819A (en) * | 2014-03-05 | 2014-05-21 | 中国航空工业集团公司北京航空制造工程研究所 | Welding spot area fully stirred key-hole-free friction stir spot welding method and tool |
| CN105108316A (en) * | 2015-09-15 | 2015-12-02 | 昆山斯格威电子科技有限公司 | Accumulated chipping removing device of stir friction spot welding apparatus |
| CN108015407A (en) * | 2017-12-28 | 2018-05-11 | 重庆派馨特机电有限公司 | A kind of stirring header structure for agitating friction weldering |
| CN109317815A (en) * | 2018-11-09 | 2019-02-12 | 南京航空航天大学 | A kind of method agitating friction weldering welder and welded using the device |
| CN109571967A (en) * | 2019-02-12 | 2019-04-05 | 黄山学院 | A kind of PVC board friction stir connecting method and device |
| CN111805106A (en) * | 2020-08-07 | 2020-10-23 | 张洪涛 | Stirring induction welding method and stirring head |
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Open date: 20080709 |