CN203356860U - Self-locking type welding joint for friction stir welding - Google Patents
Self-locking type welding joint for friction stir welding Download PDFInfo
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- CN203356860U CN203356860U CN 201320437644 CN201320437644U CN203356860U CN 203356860 U CN203356860 U CN 203356860U CN 201320437644 CN201320437644 CN 201320437644 CN 201320437644 U CN201320437644 U CN 201320437644U CN 203356860 U CN203356860 U CN 203356860U
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- friction stir
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Abstract
The utility model provides a self-locking type welding joint for friction stir welding. The self-locking type welding joint comprises a first welding joint and a second welding joint which are arranged oppositely. The self-locking type welding joint is characterized in that the first welding joint is provided with at least one locating boss and at least one locking boss, the second welding joint is provided with at least one locating step and at least one locking step, the locating bosses are combined with the locating steps in a aligned mode, and the locking bosses and the locking steps are locked in aligned and matched modes. According to the self-locking type welding joint, welding seam positions of a plurality of sets of sectional material plates can be tightly attached and locked, mechanical force generated due to welding can be effectively avoided, the side parting phenomenon of the sectional material plates is avoided, welding quality is guaranteed, the requirement for tools is reduced, cost is controlled, and yield and production efficiency are improved.
Description
Technical field
The utility model relates to a kind of structure of welding point, particularly a kind of welding point of the self-locking for friction stir welding.
Background technology
The agitating friction solder technology has broad application prospects in the welding of the large thin-wall wide cut aluminium alloy extrusions plates such as the side wall of aircraft target ship, fuselage, floor, track train, floor.But connect and also have many difficult problems to need to solve for the friction stir welding of large-scale wide cut band muscle wallboard.
In friction stir welding method, mixing needle need to be penetrated to the inside parts surface, under certain responsive to axial force, the mixing needle Stirring welds, and is subject to the material generation Plastic Flow of agitating friction, realizes Solid-phase welding.Due in welding process, two soldered parts can produce at position while welding the side component that these two parts are separated, and this power that just need to apply side direction to two parts makes its laminating.But the splicing of the normally many group profile plates of large-scale wide cut band muscle wallboard assembles, a lot of profile plates have the structure of overlength wide cut and thin-walled, and the weld seam between profile plate is long, some profile plate end face structure complexity, above-mentioned design feature makes the hold down gag of side direction be difficult to effectively resist the side component in welding process, be difficult to the restriction that realizes that machinery is laterally and tightly propped, the link position of profile plate is easy to occur side and divides, affect quality of weld joint, more easily occur that at end position space can not be closely sturdy when especially two profile plates splice, and then when welding, can cause simultaneously side occurring in addition after the welding one side divides, and during due to welding, mixing needle butt joint material applies larger mechanical compaction power, if profile plate end stitching position material internal does not have the strong point of mixing needle, defect appears in the easy crimp of welding point.Like this, for the frock clamp by above-mentioned sheet material clamping spatially, quantitatively, on frame for movement, all be restricted.Therefore, for the agitating friction welding technology of large-scale wide cut band muscle wallboard to frock clamp require highly, need the input of a large amount of manpower and materials.
While welding for solving profile plate, some end surface shape complicated difficult, with effective laterally and tightly propped technological deficiency, the utility model proposes a kind of welding point of the self-locking for friction stir welding.This self-locking welding point can fit tightly and lock organize the profile plate position while welding more, the mechanical force that effectively the opposing welding produces in welding prevents profile plate generation side minute phenomenon, guarantees welding quality, has reduced the frock requirement simultaneously, control cost, improve output and production efficiency.
The utility model content
The purpose of this utility model is to provide and a kind ofly can fits tightly and lock organize the profile plate position while welding more, the mechanical force that effectively the opposing welding produces in welding prevents profile plate generation side minute phenomenon, guarantees the plumb joint of the self-locking for friction stir welding of welding quality.
For achieving the above object, the utility model proposes a kind of welding point of the self-locking for friction stir welding, comprise the first plumb joint and the second plumb joint that are oppositely arranged, be provided with at least one positioning boss and at least one locking boss on described the first plumb joint, be provided with at least one positioning step and at least one locking step on described the second plumb joint, described positioning boss is combined with described positioning step contraposition, and described locking boss and the contraposition of described locking step lock.
Self-locking for friction stir welding welding point as above, wherein, described positioning boss is the right angle boss, and described positioning step is right angle step, and described right angle boss is together with described right angle step amalgamation.
Self-locking for friction stir welding welding point as above, wherein, described locking boss is for being bending-like round-corner transition boss, and described locking step is for being bending-like round-corner transition step, and described bending-like round-corner transition boss and the contraposition of described bending-like round-corner transition step lock.
Self-locking for friction stir welding welding point as above, wherein, it is continuous wavy that described locking boss is, and it is continuous wavy that described locking step also is, and the staggered contraposition amalgamation of described wavy locking step and described wavy locking boss is structure as a whole.
Self-locking for friction stir welding welding point as above, wherein, described locking boss is right handed hook solid, and described locking step is the counterclockwise hook solid of rotation, and the locking step contraposition of described hook solid locking boss and described hook solid locks.
Compared with prior art, the utlity model has following characteristics and advantage:
Side component when 1, the utility model makes the first welding point and the second plumb joint fit tightly locking with the opposing welding by self-locking structure, so do not need to carry out laterally and tightly propped to the weld seam between the first plumb joint and the second plumb joint again, guarantee welding quality, reduced the frock requirement simultaneously.
2, in the utility model, fillet in normal shear and sealing run, for shifting to install, not on same straight line, can self-supporting be resisted the mechanical pressure while welding when welding, prevent Welding bead subsidence, have guaranteed welding quality.
The accompanying drawing explanation
Accompanying drawing described here is only for task of explanation, and is not intended to limit by any way the utility model scope of disclosure.In addition, the shape of each parts in figure and proportional sizes etc. are only schematically, for helping understanding of the present utility model, are not shape and the proportional sizes that specifically limits each parts of the utility model.Those skilled in the art, under instruction of the present utility model, can select various possible shapes and proportional sizes to implement the utility model as the case may be.
The structural representation that Fig. 1 is the utility model self-locking plumb joint;
Fig. 2 is the structural representation after the docking of the utility model self-locking plumb joint;
The structural representation that Fig. 3 is the first plumb joint of the present utility model.
Description of reference numerals:
1-the first plumb joint; The 11-positioning boss; The 12-boss that locks; 2-the second plumb joint; The 21-positioning step; The 22-step that locks; The 3-fillet in normal shear; The 4-sealing run; The 10-profile plate; The 20-profile plate; The length of a-positioning boss; The distance of b-positioning boss and locking boss; The length of c-locking boss; The length of d-sealing run; The length that L-is fillet in normal shear; The radius of the fillet of R-locking boss.
The specific embodiment
With the description of the utility model specific embodiment, can more be well understood to details of the present utility model by reference to the accompanying drawings.But the specific embodiment of the present utility model described here,, for explaining the purpose of this utility model, be only to restriction of the present utility model and can not be understood as by any way.Under instruction of the present utility model, the technical staff can conceive based on possible distortion arbitrarily of the present utility model, and these all should be regarded as belonging to scope of the present utility model.
Please refer to Fig. 1, Fig. 2, the structural representation that Fig. 1 is the utility model self-locking plumb joint; Fig. 2 is the structural representation after the docking of the utility model self-locking plumb joint.
As shown in Figure 1, a kind of welding point of the self-locking for friction stir welding the utility model proposes is mainly the agitating friction solder technology that is applied to wide plate, need the profile plate 10 of assembly welding and the hollow material with the muscle structure that profile plate 20 is wide cut, the welding position of profile plate 10 and profile plate 20 is at band muscle place, before welding, the preprocessing of the welding position with the muscle place of profile plate 10 and profile plate 20 is become to specific geometry, in advance the joint location of profile plate 10 and profile plate 20 is processed to the self-locking welding point the utility model proposes, comprise the first plumb joint 1 and the second plumb joint 2 that are oppositely arranged, wherein the first plumb joint 1 is arranged on sheet material 10, the second plumb joint 2 is arranged on sheet material 20, be provided with positioning boss 11 and locking boss 12 on the first plumb joint 1, on the second plumb joint 2, be provided with corresponding to the positioning step 21 of positioning boss 11 with corresponding to the locking step 22 of locking boss 12.Positioning boss 11 is combined with positioning step 21 contrapositions, and locking boss 12 locks with 22 contrapositions of locking step.The first welding point 1 and the second welding point 2 are all by extrusion molding, and the shape of the first plumb joint 1 and the second plumb joint 2 is mated fully, can fit tightly.Before welding, as shown in Figure 2, will be by positioning boss 11 and positioning step 21 combinations, make the first welding point 1 and the second welding point 2 docking, locking boss 12 and locking step 22 complement each other to form self-locking structure, then utilize frock clamp just to compress the position while welding of profile plate 10 and profile plate 20, the mechanical force when self-locking structure formed by locking boss 12 and locking step 22 makes the first welding point 1 and the second plumb joint 2 fit tightly locking with the opposing welding prevents side minute phenomenon.Therefore, the utility model does not need the weld seam between the first plumb joint 1 and the second plumb joint 2 to be carried out laterally and tightly propped again, has reduced the requirement to frock.Tow sides at profile plate after the first plumb joint 1 and the second plumb joint 2 docking have formed respectively fillet in normal shear 3 and sealing run 4, during welding, first utilize stirring-head to be welded fillet in normal shear 3, after fillet in normal shear 2 has welded by profile plate 10 and profile plate 20 turn-overs, just compress again, then weld sealing run 4, complete thus the tow sides welding, due to fillet in normal shear 3 and sealing run 4 for shifting to install, not on same straight line, can self-supporting resist the mechanical pressure while welding when welding, realize the connection of large-scale wide cut band muscle profile plate.The self-locking structure that the self-locking welding point the utility model proposes complements each other to form by locking boss 12 and locking step 22, make many group profile plate weld seams fit tightly and lock, without side, tightly install, and the mechanical pressure in the time of can resisting welding, and then guaranteed welding quality, reduce the frock requirement simultaneously, controlled the cost of agitating friction welding, improved production efficiency.
In a kind of optional embodiment of the present utility model, positioning boss 11 is the right angle boss, and positioning step 21 is right angle step, together with positioning step 21 amalgamations at the positioning boss 11 at right angle and right angle.Locking boss 12 is for being bending-like round-corner transition boss, and locking step 22 is for being bending-like round-corner transition step, and the locking boss 12 that is the bending-like round-corner transition locks with the locking step 22 that is the bending-like round-corner transition.
In the present embodiment, the size of the first plumb joint 1 please refer to Fig. 3, the structural representation that Fig. 3 is the first plumb joint of the present utility model; As shown in Figure 3, the length that a is positioning boss 11, b are positioning boss 11 and the distance of locking boss 2, the length that c is locking boss 2, the length that d is sealing run 4, the length that L is fillet in normal shear 3, the radius that R is the fillet of locking boss 3, and the concrete size of a, b, c, d, L and R is determined according to part thickness; Specifically in the present embodiment, L=5mm, a=8mm, b=30mm, R=15mm, c=10mm, d=20mm.The size of the second plumb joint 2 is corresponding with the size of the first plumb joint 1.
As another embodiment of the present utility model, locking boss 12 is continuous wavy, and it is continuous wavy that locking step 22 also is, and wavy locking step 22 is structure as a whole with the staggered contraposition amalgamation of wavy locking boss 12.
As the third embodiment of the present utility model, locking boss 12 is right handed hook solid, and locking step 22 is the counterclockwise hook solid of rotation, and hook solid locking boss 12 locks with locking step 22 contrapositions of hook solid.
In the utility model, locking boss 12 can be also other shapes well known to those skilled in the art with the shape of locking step 22, as long as can realize the technique effect of self-locking.In addition, the quantity of positioning boss 11 of the present utility model and the positioning step 21 that matches and locking boss 12 and the quantity of step 22 of locking that matches, can be selected according to actual needs, and the utility model is not restricted this.
Detailed explanation for the respective embodiments described above, its purpose only is the utility model is made an explanation, so that can understand better the utility model, but, it is to restriction of the present utility model that these descriptions can not be construed to any reason, particularly, each feature of describing in different embodiments is any combination mutually also, thereby form other embodiments, except clearly contrary description is arranged, these features should be understood to can be applied in any one embodiment, and also not only are confined to described embodiment.
Claims (5)
1. the welding point of the self-locking for friction stir welding, comprise the first plumb joint and the second plumb joint that are oppositely arranged, it is characterized in that, be provided with at least one positioning boss and at least one locking boss on described the first plumb joint, be provided with at least one positioning step and at least one locking step on described the second plumb joint, described positioning boss is combined with described positioning step contraposition, and described locking boss and the contraposition of described locking step lock.
2. the welding point of the self-locking for friction stir welding as claimed in claim 1, is characterized in that, described positioning boss is the right angle boss, and described positioning step is right angle step, and described right angle boss is together with described right angle step amalgamation.
3. the welding point of the self-locking for friction stir welding as claimed in claim 1 or 2, it is characterized in that, described locking boss is for being bending-like round-corner transition boss, described locking step is for being bending-like round-corner transition step, and described bending-like round-corner transition boss and the contraposition of described bending-like round-corner transition step lock.
4. the welding point of the self-locking for friction stir welding as claimed in claim 1 or 2, it is characterized in that, it is continuous wavy that described locking boss is, it is continuous wavy that described locking step also is, and the staggered contraposition amalgamation of described wavy locking step and described wavy locking boss is structure as a whole.
5. the welding point of the self-locking for friction stir welding as claimed in claim 1 or 2, it is characterized in that, described locking boss is right handed hook solid, described locking step is the counterclockwise hook solid of rotation, and the locking step contraposition of described hook solid locking boss and described hook solid locks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320437644 CN203356860U (en) | 2013-07-22 | 2013-07-22 | Self-locking type welding joint for friction stir welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320437644 CN203356860U (en) | 2013-07-22 | 2013-07-22 | Self-locking type welding joint for friction stir welding |
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| CN203356860U true CN203356860U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320437644 Expired - Lifetime CN203356860U (en) | 2013-07-22 | 2013-07-22 | Self-locking type welding joint for friction stir welding |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759780A (en) * | 2015-04-17 | 2015-07-08 | 首都航天机械公司 | Friction welding connector structure |
| CN106114055A (en) * | 2016-06-30 | 2016-11-16 | 广东省材料与加工研究所 | A kind of aluminum-alloy wheel of composite welding structure and preparation method thereof |
| CN106735846A (en) * | 2016-11-29 | 2017-05-31 | 上海航天设备制造总厂 | A kind of three interlayer thin-walled bridging arrangements and its welding method |
| CN109465533A (en) * | 2017-09-08 | 2019-03-15 | 希捷科技有限公司 | Component, equipment, its precursor and correlation technique with friction-stir weld seam |
| CN110712016A (en) * | 2019-10-22 | 2020-01-21 | 深圳粤牛科技有限公司 | Milling cutter machining process |
| CN111486004A (en) * | 2020-04-21 | 2020-08-04 | 中国航发沈阳发动机研究所 | Air inlet casing frame structure and welding method thereof |
-
2013
- 2013-07-22 CN CN 201320437644 patent/CN203356860U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759780A (en) * | 2015-04-17 | 2015-07-08 | 首都航天机械公司 | Friction welding connector structure |
| CN104759780B (en) * | 2015-04-17 | 2017-02-22 | 首都航天机械公司 | Friction welding connector structure |
| CN106114055A (en) * | 2016-06-30 | 2016-11-16 | 广东省材料与加工研究所 | A kind of aluminum-alloy wheel of composite welding structure and preparation method thereof |
| CN106735846A (en) * | 2016-11-29 | 2017-05-31 | 上海航天设备制造总厂 | A kind of three interlayer thin-walled bridging arrangements and its welding method |
| CN109465533A (en) * | 2017-09-08 | 2019-03-15 | 希捷科技有限公司 | Component, equipment, its precursor and correlation technique with friction-stir weld seam |
| CN110712016A (en) * | 2019-10-22 | 2020-01-21 | 深圳粤牛科技有限公司 | Milling cutter machining process |
| CN110712016B (en) * | 2019-10-22 | 2021-05-14 | 深圳粤牛科技有限公司 | Milling cutter machining process |
| CN111486004A (en) * | 2020-04-21 | 2020-08-04 | 中国航发沈阳发动机研究所 | Air inlet casing frame structure and welding method thereof |
| CN111486004B (en) * | 2020-04-21 | 2021-11-19 | 中国航发沈阳发动机研究所 | Air inlet casing frame structure and welding method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100024 North East military villa, eight Li bridge, Chaoyang District, Beijing Patentee after: AVIC BEIJING AERONAUTICAL MANUFACTURING TECHNOLOGY Research Institute Address before: 100024 North East military villa, eight Li bridge, Chaoyang District, Beijing Patentee before: BEIJING AERONAUTICAL MANUFACTURING TECHNOLOGY Research Institute |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |