CN103706990A - Positioning and supporting device for large thin-walled box body annular seam stirring friction welding - Google Patents

Positioning and supporting device for large thin-walled box body annular seam stirring friction welding Download PDF

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Publication number
CN103706990A
CN103706990A CN201310746921.8A CN201310746921A CN103706990A CN 103706990 A CN103706990 A CN 103706990A CN 201310746921 A CN201310746921 A CN 201310746921A CN 103706990 A CN103706990 A CN 103706990A
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CN
China
Prior art keywords
positioning
supporting
bolt
guide rail
sleeve
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Application number
CN201310746921.8A
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Chinese (zh)
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CN103706990B (en
Inventor
王福吉
王晓东
徐长玉
马建伟
刘巍
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大连理工大学
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Priority to CN201310746921.8A priority Critical patent/CN103706990B/en
Publication of CN103706990A publication Critical patent/CN103706990A/en
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Publication of CN103706990B publication Critical patent/CN103706990B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/12Non-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
    • B23K20/122Non-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
    • B23K20/1245Non-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
    • B23K20/126Workpiece support, i.e. backing or clamping

Abstract

The invention belongs to the field of mechanical equipment and particularly relates to a positioning and supporting device for large thin-walled box body annular seam stirring friction welding. The positioning and supporting device is composed of a rotation base, multiple positioning and supporting units and multiple corresponding connection units. The positioning and supporting units and the corresponding connection units are evenly distributed on the rotation base and the rotation base is of an annular structure. Multiple bosses are evenly distributed on the rotation base. Each boss is provided with the corresponding positioning and supporting unit. According to the positioning and supporting device for large thin-walled box body annular seam stirring friction welding, the assembling quality before large thin-walled box body annular seam stirring friction welding can be effectively improved, positioning errors can be effectively reduced, the requirement for the welding tolerance is met, deformation in the time of welding is relieved, the welding quality of the large thin-walled box body annular seam stirring friction welding is improved and unloading and loading are convenient.

Description

The device for positioning and supporting of big case body circumferential weld friction stir welding
Technical field
The invention belongs to plant equipment field, be specifically related to a kind of device for positioning and supporting for big case body circumferential weld friction stir welding.
Background technology
Big case body is generally by being welded after plate bending, and its diameter large (2m) is above, thickness little (in 10mm), so as easy as rolling off a log generation distortion when poor rigidity, welding.Two casing docking, carry out before friction stir welding, eliminate gap and the jump of I type groove as far as possible.In view of box body diameter is large, circumferential weld length is longer, generally before weldering, to the gap of groove and jump, certain requirement can be proposed, for example gap and jump are less than 1mm, but directly assembling is difficult to meet the demands.When carrying out friction stir welding, certain radial pressure will be born by I type groove place, easily makes box deformation.This difficulty that just makes big case body docking carry out friction stir welding improves greatly, just needs to take certain measure to solve.The structure adopting at present mainly contains two kinds: integral rigidity supporting construction and single-point hydraulic pressure support structure, two kinds of structures all exist certain defect.Adopt integral rigidity supporting construction will guarantee that the inwall of supporting construction and thin-wall box body fits tightly, otherwise affect welding quality, but can bring difficulty to casing assembling and dismounting like this.Adopt the problem of single-point hydraulic pressure support structure to be that casing is in resiliency supported, during welding, be difficult to ensure that card casing and stirring-head position align, and directly affect welding quality.
Summary of the invention
The present invention is in order to overcome the deficiencies in the prior art, invented a kind of device for positioning and supporting for big case body circumferential weld friction stir welding, in invention, thereby adopt the outwards mobile casing that supports of all locating pieces of a plurality of Electric Machine Control, make casing keep certain diameter, for the underproof place of jump, can adjust the positioning supports unit of correspondence position and eliminate local jump.After welding finishes, control all locating pieces of driven by motor and move inward the reduced that makes device for positioning and supporting, facilitate the taking-up of casing.Guarantee that assembly quality before big case body circumferential weld friction stir welding meets the demands and can supporting box when carrying out friction stir welding and reduce welding deformation.The present invention has improved the assembly quality before big case body circumferential weld friction stir welding, the distortion while reducing to weld, and the welding quality of raising big case body circumferential weld friction stir welding, and easy to loading and unloading.
The technical solution used in the present invention is the device for positioning and supporting of big case body circumferential weld friction stir welding, it is characterized in that, device for positioning and supporting by rotating basis 1, several positioning supports unit and accordingly several linkage units form; Several positioning supports unit and corresponding several linkage units are distributed on rotating basis 1, and described rotating basis 1 is loop configuration, and uniform several boss on it, install a positioning supports unit on each boss; Each positioning supports unit by motor 2, guide rail lead screw pair 3, leading screw 4, short support bar 5, the strut 6 of drawing money on credit, sleeve 7, adapter 8, locating piece 9, lower bearing pin 10, upper pin 11, left bolt 12, in bolt 13, right bolt 14, guide rail feed screw nut 15 form;
In each positioning supports unit, motor 2 is connected with guide rail lead screw pair 3, and guide rail feed screw nut 15 is arranged on leading screw 4, and short support bar 5 is connected with guide rail feed screw nut 15 by lower bearing pin 10, by upper pin 11, is connected with the strut 6 of drawing money on credit; The axially movable strut 6 of drawing money on credit along sleeve 7 inserts in sleeve 7, and sleeve 7 is welded on rotating basis 1; Adapter 8 is connected with the strut 6 of drawing money on credit by middle bolt 13, by left and right bolt 12,14, is connected with locating piece 9;
In each linkage unit, the upper connector 16 and the lower connector 17 that are enclosed within sleeve 7 outsides are fixed together by bolt and nut 18; Described linkage unit entangles sleeve, and positioning supports unit is played to fixedly booster action.
The invention has the beneficial effects as follows that can control all positioning supports unit outwards moves all locating pieces, the enlarged-diameter of device for positioning and supporting, to support casing; For the underproof place of jump, can adjust the positioning supports unit of correspondence position to eliminate local jump; Control all positioning supports unit all locating pieces are moved inward, the reduced of device for positioning and supporting, facilitates the taking-up of casing.The present invention can effectively improve the assembly quality before big case body circumferential weld friction stir welding, meets welding tolerance, and the distortion while reducing to weld, improves welding quality.
Accompanying drawing explanation
Fig. 1 is the front view of device for positioning and supporting, the top view that Fig. 2 is device for positioning and supporting, and Fig. 3 is positioning supports unit, Fig. 4 is linkage unit.Wherein, 1-rotating basis, 2-motor, 3-guide rail lead screw pair, 4-leading screw, the short support bar of 5-, the 6-strut of drawing money on credit, 7-sleeve, 8-adapter, 9-locating piece, 10-lower bearing pin, 11-upper pin, the left bolt of 12-, bolt in 13-, the right bolt of 14-, 15-guide rail feed screw nut, the upper connector of 16-, connector under 17-, 18 bolt and nuts.
The specific embodiment
Describe the specific embodiment of the present invention in detail with technical scheme by reference to the accompanying drawings.
As depicted in figs. 1 and 2, rotating basis 1 is loop configuration, is arranged on lathe rotating shaft mechanism, can rotate with main shaft.Uniform several boss on rotating basis 1, install 1 positioning supports unit on each boss.Each positioning supports unit is driven by motor 2 separately, therefore, can control the diameter that all locating piece integrated movings of all driven by motor are adjusted device for positioning and supporting, or control single motor drives the locating piece of correspondence position to carry out part adjustment.The number of positioning supports unit is decided by factors such as box body diameter and weld force.Linkage unit is the same with the quantity of positioning supports unit, and positioning supports unit is played to the fixing effect of strengthening.
As shown in Figure 3, the course of work of positioning supports unit is, the leading screw 4 that motor 2 rotarily drives guide rail lead screw pair 3 rotates, the rotation of leading screw 4 drives guide rail feed screw nut 15 to move horizontally along guide rail, moving horizontally of guide rail feed screw nut 15 drives short support bar 5 to rotate around lower bearing pin 10 and upper pin 11, and then drive the strut 6 of drawing money on credit along the moving axially of sleeve 7, and adjusted the position of locating piece 9 with respect to rotating basis 1, played the positioning supports effect to thin-wall box body.When controlling all positioning supports unit, all locating pieces are outwards moved, the enlarged-diameter of device for positioning and supporting, to support casing; For the underproof place of jump, can adjust the positioning supports unit of correspondence position to eliminate local jump; When controlling all positioning supports unit, all locating pieces are moved inward, the reduced of device for positioning and supporting, facilitates the taking-up of casing.
The course of work of this device for positioning and supporting is, after casing is installed, and when controlling all drive motors all locating pieces outwards moved, the enlarged-diameter of device for positioning and supporting, thus support casing.Then, circumferential weld is measured, the place not meeting the demands for jump, drives locating piece to move by the motor of correspondence position and adjusts, until meet the demands.In welding process, this device can support casing, reduces welding deformation.After welding finishes, drive all locating pieces of all Electric Machine Control to move inward the reduced that makes device for positioning and supporting, conveniently unload lower box, thereby completed welding process one time.

Claims (1)

1. the device for positioning and supporting of big case body circumferential weld friction stir welding, is characterized in that, device for positioning and supporting by rotating basis (1), several positioning supports unit and accordingly several linkage units form; It is upper that several positioning supports unit and corresponding several linkage units are distributed in rotating basis (1), and described rotating basis (1) is loop configuration, is evenly equipped with several boss on it, and a positioning supports unit is installed on each boss; Each positioning supports unit by motor (2), guide rail lead screw pair (3), leading screw (4), short support bar (5), the strut of drawing money on credit (6), sleeve (7), adapter (8), locating piece (9), lower bearing pin (10), upper pin (11), left bolt (12), in bolt (13), right bolt (14), guide rail feed screw nut (15) form;
In each positioning supports unit, motor (2) is connected with guide rail lead screw pair (3), it is upper that guide rail feed screw nut (15) is arranged on leading screw (4), and short support bar (5) is connected with guide rail feed screw nut (15) by lower bearing pin (10), by upper pin (11), is connected with the strut of drawing money on credit (6); The axially movable strut of drawing money on credit (6) along sleeve (7) inserts in sleeve (7), and sleeve (7) is welded on rotating basis (1); Adapter (8) is connected with the strut of drawing money on credit (6) by middle bolt (13), by left and right bolt (12,14), is connected with locating piece (9);
In each linkage unit, the upper connector (16) and the lower connector (17) that are enclosed within sleeve (7) outside are fixed together by bolt and nut (18).
CN201310746921.8A 2013-12-30 2013-12-30 The device for positioning and supporting of big case body circumferential weld friction stir welding Expired - Fee Related CN103706990B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310746921.8A CN103706990B (en) 2013-12-30 2013-12-30 The device for positioning and supporting of big case body circumferential weld friction stir welding

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Application Number Priority Date Filing Date Title
CN201310746921.8A CN103706990B (en) 2013-12-30 2013-12-30 The device for positioning and supporting of big case body circumferential weld friction stir welding

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CN103706990B CN103706990B (en) 2015-07-29

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104191084A (en) * 2014-07-04 2014-12-10 上海拓璞数控科技有限公司 Overall circumferential weld friction-stir welding device and welding method of large-scale storage box
CN104772563A (en) * 2015-04-24 2015-07-15 浙江理工大学 Method for manufacturing automobile aluminum alloy hub
CN105014232A (en) * 2015-08-15 2015-11-04 宁波金凤焊割机械制造有限公司 Stirring friction welding device of fuel storage drum of aircraft
CN105057877A (en) * 2015-08-12 2015-11-18 宁波金凤焊割机械制造有限公司 Inner clamp for friction stir welding device of aircraft fuel storage barrel
CN105057878A (en) * 2015-08-12 2015-11-18 宁波金凤焊割机械制造有限公司 Internal clamping fixture assembly for friction stir welding device for aircraft fuel storage barrels
CN105522266A (en) * 2016-02-02 2016-04-27 云南昆船第一机械有限公司 Butt joint circular seam reverse side gas shielding device for barrel fusion welding
CN105750566A (en) * 2015-10-07 2016-07-13 宁夏际华环境安全科技有限公司 Multifunctional tool used for turning external circle of large-diameter thin-wall part
CN106624335A (en) * 2016-10-19 2017-05-10 首都航天机械公司 Centering butt joint positioning supporting device for vertical type stirring friction welding storage box assembly annular seam
CN106826324A (en) * 2017-01-20 2017-06-13 昆山华恒焊接股份有限公司 For the internal stay tool of large-diameter and thin-wall pipe end face groove processing
CN107470767A (en) * 2017-07-26 2017-12-15 首都航天机械公司 The docking circumferential weld friction stir welding method of the weak rigid hollow post component of large scale
CN107695507A (en) * 2017-09-04 2018-02-16 首都航天机械公司 A kind of method for ensureing major diameter tank joint sealing circumferential weld agitating friction welding quality
CN110625236A (en) * 2019-09-23 2019-12-31 北京卫星制造厂有限公司 Can dismantle flexible major diameter circumferential weld welding frock fast

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0624425A1 (en) * 1993-05-12 1994-11-17 Framatome Internal equipment for electron beam butt welding of annular workpieces, and method of use
US6247634B1 (en) * 1999-06-30 2001-06-19 Mce Technologies Incorporated Method and apparatus for forming a stir welded joint at meeting cylindrical edges
CN102248269A (en) * 2011-07-22 2011-11-23 成都发动机(集团)有限公司 Welding fixture for thin-wall part
CN102837153A (en) * 2012-08-07 2012-12-26 首都航天机械公司 Positioning support device for stir friction welding of storage box cylinder section circular seam
CN102886600A (en) * 2012-08-07 2013-01-23 首都航天机械公司 Positioning support device used for stirring, rubbing and welding circular seam of flange disc of top cover of storage box

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0624425A1 (en) * 1993-05-12 1994-11-17 Framatome Internal equipment for electron beam butt welding of annular workpieces, and method of use
US6247634B1 (en) * 1999-06-30 2001-06-19 Mce Technologies Incorporated Method and apparatus for forming a stir welded joint at meeting cylindrical edges
CN102248269A (en) * 2011-07-22 2011-11-23 成都发动机(集团)有限公司 Welding fixture for thin-wall part
CN102837153A (en) * 2012-08-07 2012-12-26 首都航天机械公司 Positioning support device for stir friction welding of storage box cylinder section circular seam
CN102886600A (en) * 2012-08-07 2013-01-23 首都航天机械公司 Positioning support device used for stirring, rubbing and welding circular seam of flange disc of top cover of storage box

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104191084B (en) * 2014-07-04 2018-12-28 上海拓璞数控科技股份有限公司 A kind of whole circumferential weld Friction Stir Welding device and its welding method of large size tank
CN104191084A (en) * 2014-07-04 2014-12-10 上海拓璞数控科技有限公司 Overall circumferential weld friction-stir welding device and welding method of large-scale storage box
CN104772563A (en) * 2015-04-24 2015-07-15 浙江理工大学 Method for manufacturing automobile aluminum alloy hub
CN105057877A (en) * 2015-08-12 2015-11-18 宁波金凤焊割机械制造有限公司 Inner clamp for friction stir welding device of aircraft fuel storage barrel
CN105057878A (en) * 2015-08-12 2015-11-18 宁波金凤焊割机械制造有限公司 Internal clamping fixture assembly for friction stir welding device for aircraft fuel storage barrels
CN105014232B (en) * 2015-08-15 2017-01-18 宁波金凤焊割机械制造有限公司 Stirring friction welding device of fuel storage drum of aircraft
CN105014232A (en) * 2015-08-15 2015-11-04 宁波金凤焊割机械制造有限公司 Stirring friction welding device of fuel storage drum of aircraft
CN105750566A (en) * 2015-10-07 2016-07-13 宁夏际华环境安全科技有限公司 Multifunctional tool used for turning external circle of large-diameter thin-wall part
CN105522266A (en) * 2016-02-02 2016-04-27 云南昆船第一机械有限公司 Butt joint circular seam reverse side gas shielding device for barrel fusion welding
CN106624335A (en) * 2016-10-19 2017-05-10 首都航天机械公司 Centering butt joint positioning supporting device for vertical type stirring friction welding storage box assembly annular seam
CN106826324A (en) * 2017-01-20 2017-06-13 昆山华恒焊接股份有限公司 For the internal stay tool of large-diameter and thin-wall pipe end face groove processing
CN106826324B (en) * 2017-01-20 2019-07-26 昆山华恒焊接股份有限公司 Internal stay tool for the processing of large-diameter and thin-wall pipe end face groove
CN107470767A (en) * 2017-07-26 2017-12-15 首都航天机械公司 The docking circumferential weld friction stir welding method of the weak rigid hollow post component of large scale
CN107695507A (en) * 2017-09-04 2018-02-16 首都航天机械公司 A kind of method for ensureing major diameter tank joint sealing circumferential weld agitating friction welding quality
CN107695507B (en) * 2017-09-04 2019-11-29 首都航天机械公司 A method of guaranteeing major diameter tank joint sealing circumferential weld Friction Stir Welding quality
CN110625236A (en) * 2019-09-23 2019-12-31 北京卫星制造厂有限公司 Can dismantle flexible major diameter circumferential weld welding frock fast

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