CN108311785A - Packaging multi-shoulder stirring tool for welding hollow material and welding method - Google Patents
Packaging multi-shoulder stirring tool for welding hollow material and welding method Download PDFInfo
- Publication number
- CN108311785A CN108311785A CN201810391634.2A CN201810391634A CN108311785A CN 108311785 A CN108311785 A CN 108311785A CN 201810391634 A CN201810391634 A CN 201810391634A CN 108311785 A CN108311785 A CN 108311785A
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- CN
- China
- Prior art keywords
- shoulder
- shaft shoulder
- hollow material
- needle
- welding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
Abstract
The invention discloses a kind of packaging multi-shoulder stirring tools and welding method for welding hollow material, the stirring tool includes the upper shaft shoulder and the lower shaft shoulder being arranged in upper and lower ends, further include several needle shoulder integral structural members of series connection therebetween, the upper shaft shoulder, needle shoulder integral structural member and the lower shaft shoulder are sequentially connected by bindiny mechanism；The bindiny mechanism includes the connecting rod that stepped hole and underlying seperated part upper end protrusion that the seperated part bottom end being located above is recessed inwardly is arranged, and underlying fission part is tightened together by being inserted into the connecting rod in the stepped hole for the seperated part being located above.Hollow material is welded using the stirring tool assembled, can disposably complete the welding fabrication to the parallel weld seam of hollow material multiple tracks, and is replaced conveniently, it is easily operated.
Description
Technical field
The invention belongs to welding fields, and in particular to a kind of packaging multi-shoulder Beater operator for welding hollow material
Tool.
Background technology
Agitating friction weldering (FSW) technology is Britain's institute of welding (TWI) in a kind of Solid-phase welding skill of invention in 1991
Art, by the mechanical agitation of the stirring tool shaft shoulder and mixing needle of rotation and welded part frictional heat and mixing needle,
Make the material of welding position that plasticizing and flowing occur, to realize reliable welding.
Convention stir friction welding (FW) top forges that power is larger, and materials to be welded bottom needs backing plate, otherwise can be due to plastic material is lost in
Generate defect.Common aluminium alloy hollow proximate matter, cushioning plate in industry are not easily accomplished, in order to realize the weldering of hollow material
It connects, on the basis of convention stir friction techniques, has invented double-shaft shoulder agitating friction welding technology, double-shaft shoulder agitating friction weldering uses
Self-supporting stirring tool with the upper and lower shaft shoulder, two shaft shoulders are welded by being connect with by the comparable mixing needle of welding structure thickness
The upper and lower shaft shoulder, which is rotated jointly with mixing needle needle and interacted with materials to be welded, in the process realizes welding, wherein the lower shaft shoulder replaces
The rigid support backing plate at back, therefore it is applicable to the welding of hollow material and closure structures.
It is applied very generally, but in being welded with the technology currently, double-shaft shoulder agitating friction is welded in hollow material welding
When casement material, upper and lower two weld seams need to be welded at twice, this undoubtedly increases working hour and cost.This patent provides one
Kind is suitable for welding the packaging multi-shoulder stirring tool of hollow material.
Invention content
In view of the above-mentioned problems, the present invention proposes a kind of packaging multi-shoulder stirring tool for welding hollow material.
To realize above-mentioned technical purpose and the technique effect, the invention is realized by the following technical scheme：
A kind of packaging multi-shoulder stirring tool for welding hollow material, the stirring tool pass through several edges
Vertical direction seperated part connected in sequence assembles, and the seperated part includes the upper shaft shoulder and lower axle being arranged in upper and lower ends
Shoulder, further includes series connection several needle shoulder integral structural members therebetween, the upper shaft shoulder, needle shoulder integral structural member and under
The shaft shoulder is sequentially connected by bindiny mechanism；
The bindiny mechanism includes that the stepped hole and be located at lower section that the seperated part bottom end being located above is recessed inwardly is arranged
Seperated part upper end protrusion connecting rod, it is underlying fission part by the connecting rod is inserted into be located above point
It tightens together in the stepped hole of body part.
A kind of packaging multi-shoulder stirring tool for welding hollow material according to claim, feature exist
In：The upper shaft shoulder, the lower shaft shoulder and the needle shoulder integral structural member is axially symmetric structure, when fitting together, their symmetry axis
On same vertical line.
As a further improvement on the present invention, the needle shoulder integral structural member includes the connection being sequentially arranged from top to bottom
Bar, the small shaft shoulder, mixing needle needle and the intermediate shaft shoulder, the stepped hole are located at the bottom end of the intermediate shaft shoulder.
As a further improvement on the present invention, the lower shaft shoulder includes the connecting rod being sequentially arranged, small axis from top to bottom
Shoulder, mixing needle and the bottom end shaft shoulder.
As a further improvement on the present invention, the upper end of the upper shaft shoulder is also provided with grip shank, the stepped hole
Positioned at the bottom end of the upper shaft shoulder.
As a further improvement on the present invention, the diameter of the small shaft shoulder is more than the diameter of the connecting rod, described
Stepped hole include with the matched aperture of connecting rod and with the mutually matched macropore of the small shaft shoulder, the inner wall of the aperture and institute
The side wall for the connecting rod stated is equipped with mutually matched helicitic texture, and the inner wall of the macropore is smooth mirror surface structure.
As a further improvement on the present invention, the size of the described stepped hole being located in the upper shaft shoulder be located at the needle
The size of stepped hole in shoulder integral structural member is identical.
As a further improvement on the present invention, the bottom end end face of the upper shaft shoulder, the intermediate shaft shoulder both ends end face and
The upper surface of the bottom end shaft shoulder is machined with helicla flute, helicla flute screw thread rotation track be Archimedes spiral, etc.
Any one of angle spread, involute.
A method of welding hollow material includes being used to weld the packaging more of hollow material using with described above
Shaft shoulder stirring tool welds hollow material.
As a further improvement on the present invention, the number of used needle shoulder integral structural member is than the soldered that is welded
Number lacks 1, and the size of mixing needle or the intermediate shaft shoulder in used needle shoulder integral structural member is identical or different.
Beneficial effects of the present invention：Packaging multi-shoulder stirring tool designed by the present invention can disposably complete centering
The welding fabrication of the parallel weld seam of casement material multiple tracks.Meanwhile it can be selected not according to the wall thickness of proximate matter and the clearance distance of hollow material
Upper shaft shoulder shoulder, the lower shaft shoulder and needle shoulder integral structural member with model are combined, and are replaced conveniently, easily operated.
Description of the drawings
Fig. 1 is packaging a kind of structure sectional view of embodiment of multi-shoulder stirring tool of the present invention；
Fig. 2 is the structure sectional view of the upper shaft shoulder；
Fig. 3 is the structure sectional view of needle shoulder integral structural member；
Fig. 4 is the structure sectional view of the lower shaft shoulder；
Fig. 5 is the track schematic diagram of shaft shoulder end face helical groove structure；
Fig. 6 is the welding method schematic diagram of double-shaft shoulder stirring tool used in comparative examples；
Fig. 7 is the welding method schematic diagram of multi-shoulder stirring tool used in the first embodiment；
Fig. 8 is the welding method schematic diagram of multi-shoulder stirring tool used in second of embodiment；
Wherein：The upper shaft shoulders of 1-, 12- grip shanks, the shaft shoulder under 2-, the bottom ends the 21- shaft shoulder, 3- needle shoulder integral structural members, among 35-
The shaft shoulder, 10,30- upper shaft shoulder end faces, 11,31- stepped holes, 22,32- connecting rods, 23, the 33- small shaft shoulders, 24,34- mixing needles,
111,311- apertures, 112,312- macropores.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The application principle of the present invention is explained in detail below in conjunction with the accompanying drawings.
A kind of packaging multi-shoulder stirring tool for welding hollow material as shown in Figs. 1-5, the Beater operator
Tool fits together multiple seperated parts according to the number of the disposable required soldered completed in hollow material welding process.
The seperated part includes the upper shaft shoulder 1 and the lower shaft shoulder 2 being arranged in upper and lower ends, further includes series connection therebetween several
Needle shoulder integral structural member 3, each fission part is sequentially connected by bindiny mechanism to be fitted together.Wherein, the upper shaft shoulder 1, under
The shaft shoulder 2 and needle shoulder integral structural member 3 are axially symmetric structure, and when fitting together, their symmetry axis is located at same vertical line
On.
The bindiny mechanism includes that the stepped hole 11,31 and be located at that the seperated part bottom end being located above is recessed inwardly is arranged
The connecting rod 22,32 of the seperated part upper end protrusion of lower section, underlying fission part is by the way that the connecting rod 22,32 to be inserted into
To tightening together in the stepped hole 11,31 for the seperated part being located above.
Specifically, the bottom end of the upper shaft shoulder 1 is provided with stepped hole 11；The needle shoulder integral structural member 3 on to
Lower includes that the connecting rod 32 being sequentially arranged, the small shaft shoulder 33, mixing needle 34 and the intermediate shaft shoulder 35, the stepped hole 31 are located at described
The intermediate shaft shoulder 35 bottom end.The lower shaft shoulder 2 includes the connecting rod 22 being sequentially arranged, the small shaft shoulder 23, stirring from top to bottom
Needle 24 and the bottom end shaft shoulder 21.Pass through the primary assembling completed to tool that is connected between stepped hole 11,31 and connecting rod.Meanwhile
The top of the upper shaft shoulder 1 is also provided with grip shank 12.In the welding process, since the shaft shoulder needs the table for being embedded into weldment
Face, therefore the structure that the end face connected positioned at 24,34 both ends of mixing needle is evagination, therefore the upper shaft shoulder 1
The upper surface of bottom end, the both ends setting of the intermediate shaft shoulder 35 and the bottom end shaft shoulder 21 is set as the structure of evagination.After being completed, institute
The small shaft shoulder 23,33 stated is inserted into 31,11 after stepped hole, and bottom end forms shaft shoulder end face 10,30.
In welding process, in order to ensure the both ends tool of mixing needle 24,34, there are two the shaft shoulders, while preventing in welding process,
The inner wall of stepped hole 11,31 is contaminated, therefore devises the small shaft shoulder 23,33, in the multi-shoulder stirring tool assembled, institute
The small shaft shoulder 23,33 stated plays the role of positioning simultaneously, to control the spacing of 24, the 34 both ends shaft shoulder of mixing needle.The small axis
The diameter of shoulder 23,33 is more than the diameter of the connecting rod 22,32, and the stepped hole 11,31 includes and 22,32 phase of connecting rod
The aperture 111,311 of cooperation and with the small shaft shoulder 23,33 mutually matched macropores 112,312, the inner wall of the aperture 111,311
It is equipped with mutually matched helicitic texture with the side wall of the connecting rod 22,32, the inner wall of the macropore 112,312 is smooth
Mirror surface structure.The small shaft shoulder 23,33 is smoothly connected with corresponding end face after insertion is used as the top shaft shoulder, and passes through the small shaft shoulder
23,33 buffer areas formed with stepped hole 11,31 protect the helicitic texture of 11,31 aperture depths of stepped hole, reduce because of dirt
Increased cleaning cost after dye.
In order to easily replace and be applied in combination the welding of various sizes of hollow material, described is located at the upper shaft shoulder
The size of stepped hole 11 in 1 is identical as the size of stepped hole 31 in the needle shoulder integral structural member 3.And use phase
Same helicitic texture, these helicitic textures can ensure the tightness of connection, while can ensure that each seperated part is co-axially mounted, and prevent
Only deviate main core.
It is machined with helicla flute positioned at the end face at the both ends of mixing needle 24,34, specific position is the bottom end end of the upper shaft shoulder 1
The screw thread rotation track of helicla flute described in the upper surface in face, the both ends end face of the intermediate shaft shoulder 35 and the bottom end shaft shoulder 21 be Ah
Any one of base Mead helical, equiangular spiral, involute, the acting on of helicla flute make the metal of plasticizing to stirring when welding
Center of pin is assembled, and ensures good appearance of weld.
In the welding process, it is closed according to the number of the splicing seams welded needed for hollow material and the size selection of hollow material
The needle shoulder integral structural member 3 of suitable number and adaptation model carries out being assembled into required stirring tool with the upper shaft shoulder 1 and the lower shaft shoulder 2.
The number few 1 of soldered of the number than being welded of needle shoulder integral structural member 3 needed for it, used needle shoulder integral structure
The size of mixing needle needle 34 or the intermediate shaft shoulder 35 in part 3 is identical or different, and the length of the mixing needle needle is than proximate matter
The small 0.05-0.5mm of wall thickness, the length of the intermediate shaft shoulder 35 are bigger 0.1-1mm than the clearance distance of proximate matter.
Specific embodiment is as follows：
Reference examples：As shown in fig. 6, the upper shaft shoulder 1 of selection and the combination of the lower shaft shoulder 2 carry out double-shaft shoulder agitating friction weldering, starting weldering
Speed of welding is about to stablize the 35%-50% of speed of welding when connecing.
Embodiment 1：As shown in fig. 7, the needle shoulder integral structure 3 and the lower shaft shoulder 2 of selection 1, two identical size of the upper shaft shoulder
Combination carries out identical wall thickness, identical spacing hollow material carries out double-shaft shoulder agitating friction weldering, and speed of welding is about when starting is welded
Stablize the 10%-35% of speed of welding.
Embodiment 2：Different 3 and of needle shoulder integral structure of 1, two 35 size of the intermediate shaft shoulder of the upper shaft shoulder of selection as shown in Figure 8
The lower combination of the shaft shoulder 2 carries out identical wall thickness, different spacing hollow materials carry out double-shaft shoulder agitating friction weldering, welding speed when originating welding
Degree about stablizes the 10%-35% of speed of welding.
Embodiment 3：Use the needle shoulder one with 24,34 size of different mixing needles simultaneously on the basis of embodiment 2
Structure 3 and the lower shaft shoulder 2 carry out double-shaft shoulder agitating friction weldering, welding speed when starting is welded to the hollow material with different wall thickness
Degree about stablizes the 10%-35% of speed of welding.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of packaging multi-shoulder stirring tool for welding hollow material, the stirring tool is by several along vertical
Histogram assembles to seperated part connected in sequence, it is characterised in that：The seperated part includes being arranged in the upper of upper and lower ends
The shaft shoulder (1) and the lower shaft shoulder (2) further include several needle shoulder integral structural members (3) of series connection therebetween, the upper shaft shoulder
(1), needle shoulder integral structural member (3) and the lower shaft shoulder (2) are sequentially connected by bindiny mechanism；The bindiny mechanism includes setting position
The connecting rod of the stepped hole (11,31) and underlying seperated part upper end protrusion that are recessed inwardly in the seperated part bottom end of top
(22,32), the connecting rod (22,32) by being inserted into the ladder of the seperated part being located above by underlying fission part
Hole tightens together in (11,31).
2. a kind of packaging multi-shoulder stirring tool for welding hollow material according to claim 1, feature exist
In：The upper shaft shoulder (1), the lower shaft shoulder (2) and the needle shoulder integral structural member (3) is axially symmetric structure, when fitting together, they
Symmetry axis be located on same vertical line.
3. a kind of packaging multi-shoulder stirring tool for welding hollow material according to claim 2, feature exist
In：The needle shoulder integral structural member (3) includes the connecting rod (32) being sequentially arranged, the small shaft shoulder (33), mixing needle from top to bottom
Needle (34) and the intermediate shaft shoulder (35), the stepped hole (31) are located at the bottom end of the intermediate shaft shoulder (35).
4. a kind of packaging multi-shoulder stirring tool for welding hollow material according to claim 2, feature exist
In：The lower shaft shoulder (2) includes connecting rod (22), the small shaft shoulder (23), mixing needle (24) and the bottom being sequentially arranged from top to bottom
Hold the shaft shoulder (21).
5. a kind of packaging multi-shoulder stirring tool for welding hollow material according to claim 2, feature exist
In：The upper end of the upper shaft shoulder (1) is also provided with grip shank (12), and the stepped hole (11) is located at the bottom of the upper shaft shoulder (1)
End.
6. according to a kind of packaging multi-shoulder stirring tool for welding hollow material of claim 3-5 any one of them,
It is characterized in that：The diameter of the small shaft shoulder (23,33) is more than the diameter of the connecting rod (22,32), the ladder
Hole (11,31) includes mutually matched with connecting rod (22,32) matched aperture (111,311) and with the small shaft shoulder (23,33)
Macropore (112,312), the inner wall of the aperture (111,311) and the side wall of the connecting rod (22,32) are equipped with phase interworking
The inner wall of the helicitic texture of conjunction, the macropore (112,312) is smooth mirror surface structure.
7. according to a kind of packaging multi-shoulder stirring tool for welding hollow material of claim 6 any one of them,
It is characterized in that：The size of the described stepped hole (11) being located in the upper shaft shoulder (1) be located at the needle shoulder integral structural member (3)
In stepped hole (31) size it is identical.
8. according to a kind of packaging multi-shoulder stirring tool for welding hollow material of claim 3-5 any one of them,
It is characterized in that：In the bottom end end face of the upper shaft shoulder (1), the both ends end face of the intermediate shaft shoulder (35) and the bottom end shaft shoulder
(21) upper surface is machined with helicla flute, and helicla flute screw thread rotation track is Archimedes spiral, equiangular spiral, gradually opens
Any one of line.
9. a kind of method of welding hollow material, it is characterised in that：It is described in any one of the above embodiments a kind of for welding including application
The packaging multi-shoulder stirring tool of hollow material welds hollow material.
10. a kind of method of welding hollow material according to claim 9, it is characterised in that：Used needle shoulder one
The number few 1 of soldered of the number than being welded of structural member (3), the mixing needle in used needle shoulder integral structural member (3)
(34) or the size of the intermediate shaft shoulder (35) is identical or different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810391634.2A CN108311785A (en) | 2018-04-27 | 2018-04-27 | Packaging multi-shoulder stirring tool for welding hollow material and welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810391634.2A CN108311785A (en) | 2018-04-27 | 2018-04-27 | Packaging multi-shoulder stirring tool for welding hollow material and welding method |
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| CN108311785A true CN108311785A (en) | 2018-07-24 |
Family
ID=62896115
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| CN201810391634.2A Pending CN108311785A (en) | 2018-04-27 | 2018-04-27 | Packaging multi-shoulder stirring tool for welding hollow material and welding method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434452A (en) * | 2019-07-17 | 2019-11-12 | 南京中车浦镇城轨车辆有限责任公司 | A kind of adaptive stirring tool and welding method of the welding of multilayer hollow profile |
| CN110834143A (en) * | 2019-11-11 | 2020-02-25 | 航天工程装备（苏州）有限公司 | Semi-floating type multi-shaft-shoulder stirring tool and method |
| CN112108756A (en) * | 2020-09-18 | 2020-12-22 | 哈尔滨工业大学（威海） | Self-holding type static shaft shoulder friction stir welding device and welding method thereof |
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| CN110434452A (en) * | 2019-07-17 | 2019-11-12 | 南京中车浦镇城轨车辆有限责任公司 | A kind of adaptive stirring tool and welding method of the welding of multilayer hollow profile |
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| CN112108756A (en) * | 2020-09-18 | 2020-12-22 | 哈尔滨工业大学（威海） | Self-holding type static shaft shoulder friction stir welding device and welding method thereof |
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