CN203003341U - Blending friction welding tool of aluminum alloy long and thin straight cylinder - Google Patents
Blending friction welding tool of aluminum alloy long and thin straight cylinder Download PDFInfo
- Publication number
- CN203003341U CN203003341U CN 201220700331 CN201220700331U CN203003341U CN 203003341 U CN203003341 U CN 203003341U CN 201220700331 CN201220700331 CN 201220700331 CN 201220700331 U CN201220700331 U CN 201220700331U CN 203003341 U CN203003341 U CN 203003341U
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- piston ring
- aluminium alloy
- straight tube
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Abstract
The utility model provides a blending friction welding tool of an aluminum alloy long and thin straight cylinder by combining features of the aluminum alloy long and thin straight cylinder based on an existing blending friction welding circular seam welding tool. The blending friction welding tool of the aluminum alloy long and thin straight cylinder comprises an inner supporting structure and an outer supporting structure, wherein the inner supporting structure comprises a first inner support (4), a second inner support (5), and a third inner support (6) which are arranged on a core shaft (2), each inner support is in a circular disc type pneumatic piston ring structure, first piston rings (16) and second piston rings (17) which are arranged mutually at intervals are distributed on the circumference of the inner support, and each first piston ring (16) or each second piston ring (17) is connected with a first air cylinder (19) or a second air cylinder (20) which is distributed in a radial direction through a supporting rod (18). The blending friction welding tool of the aluminum alloy long and thin straight cylinder overcomes the difficulty of blending friction welding of the long and thin straight cylinder.
Description
Technical field
The utility model relates to agitating friction and welds the field, is specifically related to a kind of friction stir welding lathe that is applicable to, and can realize the agitating friction welding of long aluminium alloy straight tube circumferential weld.
Background technology
Since the friction stir welding invention, the agitating friction welding technology is paid close attention to and deep research widely, particularly for aluminum alloy materials, school of worldwide research institution and major company have all carried out intensive research and engineering application and development to this, and have obtained successful Application in many industry manufacture field.But in actual friction stir welding engineering is used, run into a kind of elongated aluminium alloy direct tube section circumferential weld docking, due to the restriction of the characteristics that are subjected to the long aluminium alloy straight tube, its section docking circumferential weld friction stir welding needs a cover specific welding assambly.
Difficult point 1. poor rigidity of long aluminium alloy straight tube agitating friction welding, aluminium alloy cylinder section diameter less, the cylinder segment length longer, simultaneously due to cylinder section wall thickness (6mm is following), add aluminum alloy materials softer, cause large self rigidity of cylinder section slenderness ratio relatively poor.2. location difficulty; 3. cylindrical shell is long, enters and take out difficulty for the internal stay tool of cylinder section inwall, adopts traditional mandrel mode, and the long easy rigidity of support of mandrel is poor, easily distortion.
The utility model content
The utility model in conjunction with the characteristics of long aluminium alloy straight tube, proposes a kind of agitating friction welding frock on the basis of existing friction stir welding girth welding frock, solve the difficult point of long aluminium alloy straight tube agitating friction welding.
For achieving the above object, the long aluminium alloy straight tube agitating friction welding frock that the utility model provides comprises inner supporting structure and based on external supporting structure, inner supporting structure comprises a Inner support, the 2nd Inner support and the 3rd Inner support that is arranged on mandrel, each Inner support is the pneumatic piston ring structure of disc type, be distributed with the first piston ring and second piston ring of space on its circumference, each first piston ring or the second piston ring by strut be connected the first cylinder or the second cylinder and connect.
Leading to mechanism in mandrel one end installation, the other end is installed auxiliary gas cylinder.
To the mechanism outside, pre-walking mechanism is installed leading, rear walking mechanism is installed outside auxiliary gas cylinder.
Pre-walking mechanism and rear walking mechanism respectively have 3 groups, are equilateral triangle and distribute, and on each walking mechanism, roller are installed, and are provided with micro-adjusting mechanism radially, adapt to cylinder section inwall size.
Based on external supporting structure comprises on the circumference of toothed disc and claw, toothed disc a circle clamping cylinder is installed uniformly, and claw is arranged on the output shaft of cylinder.
Be provided with two toothed discs, its outside and the first travelling gear engagement, the middle part of the installation shaft between two travelling gears is equipped with the second driven gear, and the driving gear of installing on the second driven gear and motor output shaft meshes.
The beneficial effects of the utility model:
1. the rigidity that satisfying left and right cylinder section can have when the docking welding requires and positioning requirements, design adopts 3 to overlap independently extension type inner support structure, the left-hand cylinder section realizes rigid support and the axial location of cylinder section inwall by the first inner support, right cylinder section realizes rigid support and the axial location of cylinder section inwall by the 3rd inner support; For offsetting stirring-head at the upset force of cylinder section butt weld place, also need cover telescopic interior support arrangement, i.e. second inner support in butt weld place of cylinder section simultaneously.The first inner support, the second inner support, the 3rd inner support are installed on same mandrel simultaneously, and three places are near position while welding and independent adjustable.The axiality that guarantees cylinder section 1 and cylinder section 2 postweldings improves the cylinder section in the rigidity of commissure, the location of realizing the cylinder section.
2. comprise a cover and can realize the driving mechanism of walking in the cylinder section, after completing for the butt welding of cylinder section, interior support arrangement slides along cylinder inboard wall and shifts out, be pre-walking mechanism and rear walking mechanism, the walking driving mechanism makes up by roller, adapt to cylinder section inwall, in realizing, support arrangement slips into and shifts out along cylinder inboard wall.
3. its outer ring hold down gag comprises a cover outer ring drive unit, and in welding process, head maintains static, by motor realizes cylinder section in welding process around its axle center spinfunction.
Description of drawings
Fig. 1 is the agitating friction welding frock schematic diagram of long aluminium alloy straight tube.
Fig. 2 is the structural representation of Inner support.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further set forth the present invention.Following embodiment is interpreted as only being used for explanation the utility model and is not used in restriction protection domain of the present utility model.After the content of having read the utility model record, those skilled in the art can make various changes or modifications the present invention, and these equivalences change and modification falls into the utility model claim limited range equally.
As shown in Figure 2, in this its section of agitating friction welding fixture, support arrangement specifically comprises leading to mechanism 1, mandrel 2, pre-walking mechanism 3, the first inner support 4, the second inner support 5, the 3rd inner support 6, rear walking mechanism 7, auxiliary gas cylinder 8; Its outer support arrangement specifically comprises toothed disc 9, the first driven gear 10, clamping cylinder 11, claw 12, the second driven gear 13, driving gear 14, motor 15; Wherein clamping cylinder 11 is arranged on toothed disc 9 and 12 places that are uniformly distributed along the circumference.
leading is mouse cage type structure to mechanism 1, guiding when being used for frock discrepancy cylinder section to be welded, the first inner support 4, the second inner support 5, the 3rd inner support 6 equidistantly is arranged on mandrel 2, pre-walking mechanism 3 and rear walking mechanism 7 are all to adopt 3 groups of roller set that adapt to cylinder section inwall, every group comprises 3 rollers, be uniformly distributed along the circumference, extend neck section inwall circle triangle rolling plane in forming, wherein pre-walking mechanism 3 comprises one group of roller set, rear walking mechanism 7 comprises two groups of roller set, realize when the first inner support 4, the second inner support 5, optional position during the 3rd inner support 6 contraction state in the cylinder section is slided and is adjusted and facilitate postwelding inner support part to skid off along cylinder section inwall, each roller adapts to cylinder section inwall 2mm with interior dimensional discrepancy with micro-adjusting mechanism simultaneously.Assist gas cylinder 8 as bailout gas, the inside air feed when long for the cylinder section in gas source feed inconvenience or the unstable situation of source of the gas;
the first inner support 4 wherein, the second inner support 5, the 3rd inner support 6 all adopts the pneumatic piston ring type structure of same, this structure further comprises the first piston ring 16, the second piston ring 17, strut 18, the first cylinder 19, the second cylinder 20, core dish 21, the first piston ring 16, each 6 of the second piston rings 17 are uniformly distributed along the circumference, and respectively with the first cylinder 19, the second cylinder 20 is connected, realize radial expansion under the drive of cylinder, the machining deviation that adapts to cylinder section diameter, make the piston ring cylinder section inwall of can perfect fitting, the first inner support 4 is applicable to the rigid circle-supporting to extend neck section one, the second inner support 5 is applicable to dock the support of butt weld, the 3rd inner support 6 is applicable to the rigid circle-supporting to extend neck section two.
the concrete use procedure of whole frock is as follows, first the right cylinder section is moved to the precalculated position as Fig. 2, put into support arrangement along cylinder section inwall, move interior support arrangement by roller, make the second inner support 5 centers aim at right cylinder section edge, put into again left side cylinder section, be the first inner support 4 after the cylinder section docking of left and right, the cylinder ventilation of the 3rd inner support 6, realize two cylinder section rigid circle-supportings, open again all clamping cylinders 11 and drive claw 12, the outer radial that realizes left and right cylinder section clamps, be the inner support that the cylinder ventilation of the second inner support 17 realizes two cylinder section joint weld seams at last.
During agitating friction welding beginning, drive driving gear 14 by the second driven gear 13 and the first driven gear 10 by motor 15, drive at last by toothed disc 9, rotate around the axle center with a frictional force drives cylindrical shell of section outer surface by clamping cylinder 11 on mounting teeth wheel disc 9 and claw 12 and realize the girth joint welding.
To those skilled in the art, obviously the utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the situation that do not deviate from spirit of the present utility model or essential characteristic, can realize the utility model with other concrete form.
Claims (6)
1. a long aluminium alloy straight tube agitating friction welds frock, comprise inner supporting structure and based on external supporting structure, it is characterized in that: inner supporting structure comprises a Inner support (4), the 2nd Inner support (5) and the 3rd Inner support (6) that is arranged on mandrel (2), each Inner support is the pneumatic piston ring structure of disc type, be distributed with the first piston ring (16) and second piston ring (17) of space on its circumference, each first piston ring (16) or the second piston ring (17) pass through strut (18) and are connected the connection of the first cylinder (19) or the second cylinder (20).
2. long aluminium alloy straight tube agitating friction as claimed in claim 1 welds frock, it is characterized in that: leading to mechanism (1) in mandrel (2) one ends installations, the other end is installed auxiliary gas cylinder (8).
3. long aluminium alloy straight tube agitating friction welding frock as claimed in claim 2, is characterized in that: to mechanism (1) outside, pre-walking mechanism (3) is installed leading, rear walking mechanism (7) is installed outside auxiliary gas cylinder (8).
4. long aluminium alloy straight tube agitating friction as claimed in claim 3 welds frock, it is characterized in that: pre-walking mechanism (3) and rear walking mechanism (7) respectively have 3 groups, be equilateral triangle and distribute, on each walking mechanism, roller is installed, and is provided with micro-adjusting mechanism radially.
5. long aluminium alloy straight tube agitating friction as claimed in claim 1 welds frock, it is characterized in that: based on external supporting structure comprises on the circumference of toothed disc (9) and claw (12), toothed disc (9) a circle clamping cylinder (11) is installed uniformly, and claw (12) is arranged on the output shaft of cylinder (11).
6. long aluminium alloy straight tube agitating friction as claimed in claim 5 welds frock, it is characterized in that: be provided with two toothed discs (9), its outside and the first travelling gear (10) engagement, the middle part of the installation shaft between two travelling gears (10) is equipped with the second driven gear (13), driving gear (14) engagement of installing on the second driven gear (13) and motor (15) output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220700331 CN203003341U (en) | 2012-12-18 | 2012-12-18 | Blending friction welding tool of aluminum alloy long and thin straight cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220700331 CN203003341U (en) | 2012-12-18 | 2012-12-18 | Blending friction welding tool of aluminum alloy long and thin straight cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203003341U true CN203003341U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220700331 Expired - Fee Related CN203003341U (en) | 2012-12-18 | 2012-12-18 | Blending friction welding tool of aluminum alloy long and thin straight cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203003341U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907687A (en) * | 2015-06-23 | 2015-09-16 | 中南大学 | Large-diameter thin walled cylinder butt welding assembly clamping device |
| CN105499797A (en) * | 2016-02-22 | 2016-04-20 | 上海拓宝机电科技有限公司 | Supporting device for laser cladding of large side-holed thin-walled workpiece |
| CN105643091A (en) * | 2014-11-21 | 2016-06-08 | 上海航天设备制造总厂 | Automatic welding device |
| CN107052561A (en) * | 2017-04-01 | 2017-08-18 | 江苏安靠智能输电工程科技股份有限公司 | A kind of GIL/GIS buses housing and its stirring friction-welding technique |
| 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 |
| CN108213829A (en) * | 2018-03-26 | 2018-06-29 | 辽宁工业大学 | A kind of staggeredly scalable tooling of spoke type and its adjusting method for agitating friction weldering |
| CN112296577A (en) * | 2020-10-27 | 2021-02-02 | 中国核动力研究设计院 | Welding tool for square tubes of spent fuel storage grillwork |
| CN112453655A (en) * | 2020-11-28 | 2021-03-09 | 四川航天长征装备制造有限公司 | Low-porosity defect welding process method for barrel-shaped aluminum alloy medium-thickness wall plate |
-
2012
- 2012-12-18 CN CN 201220700331 patent/CN203003341U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105643091A (en) * | 2014-11-21 | 2016-06-08 | 上海航天设备制造总厂 | Automatic welding device |
| CN104907687B (en) * | 2015-06-23 | 2017-10-17 | 中南大学 | A kind of large-caliber thin-walled cylinder butt welding assembling clamping device |
| CN104907687A (en) * | 2015-06-23 | 2015-09-16 | 中南大学 | Large-diameter thin walled cylinder butt welding assembly clamping device |
| CN105499797A (en) * | 2016-02-22 | 2016-04-20 | 上海拓宝机电科技有限公司 | Supporting device for laser cladding of large side-holed thin-walled workpiece |
| CN105499797B (en) * | 2016-02-22 | 2017-04-19 | 安徽拓宝增材制造科技有限公司 | Supporting device for laser cladding of large side-holed thin-walled workpiece |
| CN107052561B (en) * | 2017-04-01 | 2019-01-15 | 江苏安靠智能输电工程科技股份有限公司 | A kind of GIL/GIS bus shell and its stirring friction-welding technique |
| CN107052561A (en) * | 2017-04-01 | 2017-08-18 | 江苏安靠智能输电工程科技股份有限公司 | A kind of GIL/GIS buses housing and its stirring friction-welding technique |
| 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 |
| CN108213829A (en) * | 2018-03-26 | 2018-06-29 | 辽宁工业大学 | A kind of staggeredly scalable tooling of spoke type and its adjusting method for agitating friction weldering |
| CN108213829B (en) * | 2018-03-26 | 2023-11-14 | 辽宁工业大学 | Staggered spoke type telescopic tool for friction stir welding and adjusting method thereof |
| CN112296577A (en) * | 2020-10-27 | 2021-02-02 | 中国核动力研究设计院 | Welding tool for square tubes of spent fuel storage grillwork |
| CN112296577B (en) * | 2020-10-27 | 2022-06-24 | 中国核动力研究设计院 | Welding tool for square tubes of spent fuel storage grillwork |
| CN112453655A (en) * | 2020-11-28 | 2021-03-09 | 四川航天长征装备制造有限公司 | Low-porosity defect welding process method for barrel-shaped aluminum alloy medium-thickness wall plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20191218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |