CN104551378A - Dual-moving ring friction stir spot welder - Google Patents
Dual-moving ring friction stir spot welder Download PDFInfo
- Publication number
- CN104551378A CN104551378A CN201310499956.6A CN201310499956A CN104551378A CN 104551378 A CN104551378 A CN 104551378A CN 201310499956 A CN201310499956 A CN 201310499956A CN 104551378 A CN104551378 A CN 104551378A
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- China
- Prior art keywords
- stirring
- inner sleeve
- splined shaft
- mixing needle
- motor
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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
- B23K20/125—Rotary tool drive mechanism
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention relates to a dual-moving ring friction stir spot welder comprising a spindle motor, a stirring pin motor, a stirring inner sleeve motor, a stirring pin ball screw, a stirring pin splined shaft, a spot welder housing, a stirring inner sleeve ball screw, a stirring inner sleeve splined shaft, a stirring outer sleeve splined shaft, a stirring pin, a stirring inner sleeve, a stirring outer sleeve and a stirring shaft shoulder. The stirring pin, the stirring inner sleeve and the stirring outer sleeve transmit high-speed rotational motion of the spindle motor through the stirring pin splined shaft, the stirring inner sleeve splined shaft and the stirring outer sleeve splined shaft. The stirring pin motor and the stirring inner sleeve motor convert the rotational motion into linear motion through the stirring pin ball screw and the stirring inner sleeve ball screw, driving the stirring pin and the stirring inner sleeve to axially move. The dual-moving ring friction stir spot welder allows welding of spot-welded connectors different in diameter and depth, the Z axis of a nose spindle of a machine tool allows the stirring outer sleeve to axially move, fewer nose motors of the machine tool are used, and a spindle nose is more integrated.
Description
Technical field
The present invention relates to a kind of spindle head device of friction stir spot welding lathe, be specifically related to a kind of double movable ring stirring friction spot welding device, this device is applicable to friction stir spot welding welding machine tool.
Background technology
The materials such as titanium alloy, magnesium alloy, aluminium alloy have that lightweight, corrosion resistance is strong, flat appearance degree is good and be easy to manufacture the advantages such as complicated curved profile attractive in appearance, are subject to the welcome of numerous industry manufacture such as space flight and aviation, boats and ships, automobile.Along with product high speed and lightweight growth requirement, also more and more higher to all kinds of alloy material performance, strength of joint and security requirement thereof.Adopt the manufacture that thin-wall aluminum alloy extrudate and fusing automatic welding combine, adding structure assembly and alleviating product weight becomes market trend, and friction stir welding technically proposes, and makes this theory become possibility.
Stirring friction spot welding technology is a kind of new welding technology grown up on the basis of agitating friction welding technology; friction stir spot welding welding has without splashing, smoke dust; and do not need to add welding wire and good characteristics such as protection gas etc., be a kind of new technology of efficient, energy-saving and environmental protection.In spot-welded process, stirring-head forms tack-weld thus the connection realized between upper and lower plates in fixed position. and this process mainly comprises three phases, and namely stirring-head process of press in, connection procedure and stirring-head withdraw process.Adopt stirring friction spot welding technology to manufacture the material products such as thin-wall aluminum alloy and become Development Trends, many related research institutes, manufacturing manufacturer carry out exploratory development to technique one after another both at home and abroad.At present, mainly concentrate in aluminium alloy in the research of friction stir spot welding, comprise the impact of welding condition (stirring-head speed, the time of staying and compression distance etc.) and configuration of pin (comprising mixing needle, shaft shoulder physical dimension and shape etc.) butt joint microstructure and mechanical property.
For traditional friction stir spot Welding, welding point also exists weak joint face problem, proposes a kind of double movable ring stirring friction spot welding device, solves this difficult problem.
Summary of the invention
For solving problems of the prior art, the object of the invention is to provide a kind of double movable ring stirring friction spot welding device, can realize, to material friction stir spot welding welding such as aluminium alloys, solving traditional friction stir spot welding welding point and there is weak joint face problem.By strengthening traditional friction stir spot welding welding point bonding strength by increasing the method stirring overcoat rotary motion and axially-movable, realize the conforming high-quality connection everywhere of solid phase point-like welding point.
In order to reach foregoing invention object, the invention provides a kind of double movable ring stirring friction spot welding device, comprise spindle motor, mixing needle motor, stirring inner sleeve motor, mixing needle ball screw, mixing needle splined shaft, spot welding handpiece case, stir inner sleeve ball screw, stirring inner sleeve splined shaft, stir overcoat splined shaft, mixing needle, stirring inner sleeve, stirring overcoat, the stirring shaft shoulder; Fit in the stirring shaft shoulder and welding material surface; Described mixing needle, stirring inner sleeve, stirring overcoat are by mixing needle splined shaft, the high speed rotary motion stirring inner sleeve splined shaft, stirring overcoat splined shaft transmission spindle motor; Described mixing needle motor, stir inner sleeve motor respectively by mixing needle ball screw, to stir inner sleeve ball screw by convert rotational motion be rectilinear motion, drive mixing needle, stir inner sleeve axially-movable.
In some embodiments, double movable ring stirring friction spot welding device arranges the first air cavity and the second air cavity, controls to stir shaft shoulder axially-movable, and during welding, the first air-chamber pressing applies certain thrust to welding material surface.
Preferably, described stirring overcoat transmits the rotary motion of spindle motor by stirring overcoat splined shaft, transmit axially-movable by lathe head spindle Z axis.
The present invention compared with prior art has the following advantages:
1. adopt double movable ring stirring friction spot welding device, the realization of different-diameter different depth tack-weld welding procedure can be completed;
2., compared with traditional friction stir spot welding, double movable ring friction stir spot plumb joint passes through the axial joint face of increase by first piece of mother metal, the plane of weakness that hard point plumb joint connects;
3. stir overcoat axially-movable by the realization of lathe head spindle Z axis, reduce lathe head number of motors, improve the integrated level of spindle head, make the flexibility that apparatus structure is compacter and move;
4. two pressure air cavitys are set, control to stir shaft shoulder axially-movable and stir the shaft shoulder and welding material surface thrust.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the structural representation of double movable ring stirring friction spot welding device main part of the present invention;
Fig. 2 is the schematic diagram of double movable ring friction stir spot welding stirring tool;
Fig. 3 double movable ring friction stir spot welding welding process schematic diagram.
Detailed description of the invention
See the accompanying drawing that the embodiment of the present invention is shown, hereafter in more detail the present invention will be described.But the present invention can realize in many different forms, and should not be construed as by the restriction in the embodiment of this proposition.On the contrary, it is abundant and complete open in order to reach for proposing these embodiments, and makes those skilled in the art understand scope of the present invention completely.
Fig. 1 is the structural representation of double movable ring stirring friction spot welding device of the present invention, and this device comprises spindle motor 1, mixing needle motor 2, stirring inner sleeve motor 3, mixing needle ball screw 4, mixing needle splined shaft 5, spot welding handpiece case 6, stirs inner sleeve ball screw 7, stirs inner sleeve splined shaft 8, stirs overcoat splined shaft 9, stirring tool; Described stirring tool is made up of mixing needle 10, stirring inner sleeve 11, stirring overcoat 12, the stirring shaft shoulder 13, as shown in Figure 2; During welding, mixing needle 10 and stirring inner sleeve 11 make high speed rotary motion, press down the second block welding material certain depth, and can occur between the two to move to axial, provide space to realize the backfill of material; In units of mixing needle 10 and stirring inner sleeve 11, make high speed rotary motion with stirring overcoat 12 again, press down the first block welding material certain depth, can occur equally between the two to move to axial, realize material backfill.Change conventional friction spot welding thinking, by the method for twice spot welding different depth, strengthen the joint face of friction stir spot plumb joint.
Composition graphs 3 introduces double movable ring friction stir spot welding welding process, the mixing needle 10 of double movable ring stirring friction spot welding device, stir inner sleeve 11, stir overcoat 12 by mixing needle splined shaft 5, stir inner sleeve splined shaft 8, stir the high speed rotary motion that overcoat splined shaft 9 transmits spindle motor 1.When carrying out spot welding to two blocks of thin plate aluminum alloy materials, under the effect of mixing needle 10, stirring inner sleeve 11 High Rotation Speed, material is melted; Again by mixing needle motor 2, stir inner sleeve motor 3 respectively by mixing needle ball screw 4, to stir inner sleeve ball screw 7 by convert rotational motion be rectilinear motion, control mixing needle 10, stirring inner sleeve 11 is moved to axial, stirring inner sleeve 11 is made to go deep into the second block welding material certain depth, mixing needle 10 shrinks, and reserves suitable space and stores fusing mother metal; Finally stir inner sleeve 11 to shrink, mixing needle 10 is upheld, and will melt mother metal backfill, and complete shown pinpoint welding procedure.Equally, by mixing needle 10 and stir inner sleeve 11 for unit with stir overcoat 12 by mixing needle splined shaft 5, stir inner sleeve splined shaft 8, stir overcoat splined shaft 9 and transmit spindle motor 1 and make high speed rotary motion, material is melted; Again by mixing needle motor 2, stir inner sleeve motor 3 respectively by mixing needle ball screw 4, to stir inner sleeve ball screw 7 by convert rotational motion be rectilinear motion, control mixing needle 10 and stir inner sleeve 11 axially-movable, and stir the axially-movable of overcoat 12 by the transmission of lathe head spindle Z axis, stirring overcoat 12 is driven to go deep into the first block welding material certain depth, mixing needle 10 and stirring inner sleeve 11 are shunk, and reserve suitable space and store fusing mother metal; Finally stir overcoat 12 to shrink, mixing needle 10 and stirring inner sleeve 11 are upheld, and will melt mother metal backfill, and complete pinpoint welding procedure, so far complete the welding of double movable ring friction stir spot welding.In addition, this device arranges the first air cavity I and the second air cavity II, controls to stir the shaft shoulder 13 axially-movable.In spot-welded process, stir the shaft shoulder 13 and fit with welding material surface, and connect material surface by the first air cavity I pressure butt welding and apply certain thrust.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.
Claims (3)
1. a double movable ring stirring friction spot welding device, it is characterized in that, this device comprises spindle motor [1], mixing needle motor [2], stirring inner sleeve motor [3], mixing needle ball screw [4], mixing needle splined shaft [5], spot welding handpiece case [6], stirs inner sleeve ball screw [7], stirs inner sleeve splined shaft [8], stirs overcoat splined shaft [9], stirring tool;
Described stirring tool is made up of mixing needle [10], stirring inner sleeve [11], stirring overcoat [12], the stirring shaft shoulder [13];
The described stirring shaft shoulder [13] is fitted with welding material surface;
Described mixing needle [10], stirring inner sleeve [11], stirring overcoat [12] are by mixing needle splined shaft [5], the high speed rotary motion stirring inner sleeve splined shaft [8], stirring overcoat splined shaft [9] transmission spindle motor [1];
Described mixing needle motor [2], stir inner sleeve motor [3] respectively by mixing needle ball screw [4], to stir inner sleeve ball screw [7] be rectilinear motion by convert rotational motion, drive mixing needle [10], stir inner sleeve [11] axially-movable.
2. double movable ring stirring friction spot welding device according to claim 1, it is characterized in that, this device arranges the first air cavity [I] and the second air cavity [II], control to stir the shaft shoulder [13] axially-movable, during welding, the first air cavity [I] pressure butt welding connects material surface and applies certain thrust.
3. double movable ring stirring friction spot welding device according to claim 2, it is characterized in that, described stirring overcoat [12] transmits the rotary motion of spindle motor [1] by stirring overcoat splined shaft [9], transmit axially-movable by lathe head spindle Z axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310499956.6A CN104551378A (en) | 2013-10-23 | 2013-10-23 | Dual-moving ring friction stir spot welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310499956.6A CN104551378A (en) | 2013-10-23 | 2013-10-23 | Dual-moving ring friction stir spot welder |
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| Publication Number | Publication Date |
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| CN104551378A true CN104551378A (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310499956.6A Pending CN104551378A (en) | 2013-10-23 | 2013-10-23 | Dual-moving ring friction stir spot welder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105562922A (en) * | 2016-03-11 | 2016-05-11 | 太原理工大学 | Portable no-key-hole friction stir spot welding equipment with self-holding function |
| CN105665917A (en) * | 2016-04-13 | 2016-06-15 | 上海拓璞数控科技有限公司 | Main shaft for friction stir spot welding without withdrawing hole |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001170782A (en) * | 1999-12-15 | 2001-06-26 | Hitachi Ltd | Frictional joining apparatus, and frictional joining method |
| US20020179682A1 (en) * | 1999-11-18 | 2002-12-05 | Christoph Schilling | Method and device for joining at least two adjoining work pieces by friction welding |
| CN1927518A (en) * | 2006-06-13 | 2007-03-14 | 兰州理工大学 | Controlling device of stirring friction welding friction head |
| CN102091860A (en) * | 2009-12-11 | 2011-06-15 | 上海航天设备制造总厂 | Double-moving ring friction spot welding method |
| CN102554453A (en) * | 2010-12-17 | 2012-07-11 | 上海航天设备制造总厂 | Transmission device for friction stir spot welding main head with double moving rings |
| CN202555966U (en) * | 2012-04-23 | 2012-11-28 | 无锡天野数控装备有限公司 | Withdrawable spindle head for friction stir welding of thin plates |
-
2013
- 2013-10-23 CN CN201310499956.6A patent/CN104551378A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020179682A1 (en) * | 1999-11-18 | 2002-12-05 | Christoph Schilling | Method and device for joining at least two adjoining work pieces by friction welding |
| JP2001170782A (en) * | 1999-12-15 | 2001-06-26 | Hitachi Ltd | Frictional joining apparatus, and frictional joining method |
| CN1927518A (en) * | 2006-06-13 | 2007-03-14 | 兰州理工大学 | Controlling device of stirring friction welding friction head |
| CN102091860A (en) * | 2009-12-11 | 2011-06-15 | 上海航天设备制造总厂 | Double-moving ring friction spot welding method |
| CN102554453A (en) * | 2010-12-17 | 2012-07-11 | 上海航天设备制造总厂 | Transmission device for friction stir spot welding main head with double moving rings |
| CN202555966U (en) * | 2012-04-23 | 2012-11-28 | 无锡天野数控装备有限公司 | Withdrawable spindle head for friction stir welding of thin plates |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105562922A (en) * | 2016-03-11 | 2016-05-11 | 太原理工大学 | Portable no-key-hole friction stir spot welding equipment with self-holding function |
| CN105665917A (en) * | 2016-04-13 | 2016-06-15 | 上海拓璞数控科技有限公司 | Main shaft for friction stir spot welding without withdrawing hole |
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| C06 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |
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| RJ01 | Rejection of invention patent application after publication |