CN206010142U - A kind of agitating friction weldering water-gas welding joint - Google Patents
A kind of agitating friction weldering water-gas welding joint Download PDFInfo
- Publication number
- CN206010142U CN206010142U CN201621063874.2U CN201621063874U CN206010142U CN 206010142 U CN206010142 U CN 206010142U CN 201621063874 U CN201621063874 U CN 201621063874U CN 206010142 U CN206010142 U CN 206010142U
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- China
- Prior art keywords
- end cap
- mixing needle
- housing
- agitating friction
- inner chamber
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Abstract
The utility model discloses a kind of agitating friction weldering water-gas welding joint, belongs to welding technology field, including housing, mixing needle, end cap and spring, housing is provided with inner chamber, and the shape of mixing needle is divided to big, little two cylinders;End cap is connected to housing, locating pin is provided with the side wall of end cap, inner via hole is provided with the axial direction center of end cap, small cylinder through inner via hole and is located at outside inner chamber, spring is sleeved on outside small cylinder and is located between big cylinder and end cap, big cylindrical sidewall is provided with annular groove in the circumference of its bottom close, and inner chamber stores hydraulic oil in the side near annular groove, makes mixing needle do axially reciprocating relative to housing cavity for coordinating with spring.This utility model water-gas welding joint adjusts the length of mixing needle to adapt to the welding material of different-thickness by controlling hydraulic fluid pressure and spring, so as to improve motility and the welding quality of welding, reduces manufacturing cost.
Description
Technical field
This utility model belongs to welding technology field, and in particular to a kind of agitating friction weldering water-gas welding joint.
Background technology
1991, Britain's institute of welding (The Welding Institute-TWI) invented agitating friction weldering
(Friction Stir Welding-FSW).Agitating friction weldering has fast speed of welding, weldquality good stability, workpiece residual
The advantages of residue stress and little, pollution-free, the consumptive material consumption of deformation are few, and little to ambient temperature and humidity dependence, at present, agitating friction
Weldering reaches scale, industrialized application level in the equipment manufacturing such as many Aero-Space, track, traffic field.
Direct metal laser sintering (Direct metal laser sintering, DMLS) is in increases material manufacturing technology
A kind of.Direct metal laser sintering uses a laser as energy source sintered powder material (generally metal).With selective laser
Fusing (Selective laser melting, SLM) is different, and in direct metal laser sintering, material is not completely melted, and
Simply it is sintered.Typically directly metal laser sintering is directed to alloy, and selective laser sintering is directed to homogenous material
(only one of which fusing point).Compared with traditional processing method removed based on material, direct metal laser sintering do not need fixture,
Cutter, coolant and multi-step process, can rapidly and precisely produce the part of arbitrarily complicated shape, and allow to design excellent
Change the production with self-defined part.
At present, there are the following problems with plumb joint for traditional agitating friction weldering:1st, its structure is single, and adopts cold working more
Mode, cause anti-wear performance not superior enough, have much room for improvement;2nd, its mixing needle height is usually non-adjustable, for different materials
Adaptability poor, the especially different material of thickness will use the plumb joint of different length mixing needle.
Utility model content
In view of this, the purpose of this patent is to provide a kind of agitating friction weldering water-gas welding joint, is stirred with solving tradition
The plumb joint of mixing friction welding (FW) is easy to wear, the problem that mixing needle is highly non-adjustable and welding mobility is bad.
For reaching above-mentioned purpose, this utility model provides following technical scheme:
A kind of agitating friction weldering water-gas welding joint that this utility model is provided, including housing, mixing needle, end cap and bullet
Spring, wherein, the housing is provided with inner chamber, for housing mixing needle and spring;The shape of the mixing needle is divided to one big, one little two
Cylinder;The end cap is connected to housing, for limiting big cylinder and spring is in inner chamber;Positioning is provided with the side wall of end cap
Nail, for limiting mixing needle relative to the radial rotating between housing cavity;Inner via hole is provided with the axial direction center of end cap,
The small cylinder through inner via hole and is located at outside inner chamber, for implementing agitating friction weldering;The spring is sleeved on small column
In vitro and positioned between big cylinder and end cap;It is recessed that the big cylindrical sidewall is provided with annular in the circumference of its bottom close
Groove, for installing sealing member;The inner chamber stores hydraulic oil in the side near annular groove, makes to stir for coordinating with spring
Mix pin axially reciprocating is done relative to housing cavity.
Further, oil duct is additionally provided with the end cap, and one end of the oil duct is communicated in inner chamber, for the big cylinder of drain
Permeability between end cap, its other end are provided with plug.
Further, the oil duct is of an L-shaped structure, and crosspiece is communicated in inner chamber, and perpendicular section is on the axial direction of end cap.
Further, sealing ring and dust ring, the sealing ring and dust ring are sequentially set with the end cap from left to right
It is successively set in the corresponding groove of end cap inner via hole, the dust ring is lips dust ring.
Further, the sealing ring is set at least 2;The annular groove is set at least 2, each annular groove
In be provided with one-to-one sealing member therewith.
Further, the sealing member or sealing ring are made by polymer rubber material or metal-rubber material.
Further, the locating pin is set at least 2, and the radial direction uniform intervals along end cap are arranged.
Further, screw thread is provided with the small cylinder of the mixing needle.
Further, the housing, mixing needle and end cap are burnt by direct metal laser using H30 mould steel powder metallurgy
Knot is made.
Compared with prior art, its remarkable advantage is this utility model:
1. this utility model water-gas welding joint is engaged the height of scalable mixing needle using hydraulic principle with spring,
So that same stirring-head can weld the material of different-thickness, solving traditional stirring-head different-thickness material needs not
With the problem of length mixing needle, cost has been saved.
2. this utility model water-gas welding joint causes mixing needle size mate different length with standardization, i.e., same housing
The mixing needle of size, increases the range of work, and reduces production cost, meanwhile, the application of the structure causes the dismounting of mixing needle
Convenient, fast.
3. this utility model water-gas welding joint wearability and lifted welding material mobility in terms of than traditional stirring-head
There is very big lifting so that welding quality is improved, weld defect is reduced.
Other advantages of the present utility model, target and feature will be explained to a certain extent in the following description
State, and to a certain extent, based on being will be apparent to investigating hereafter to those skilled in the art, or
Person can be instructed from practice of the present utility model.Target of the present utility model and other advantages can be said by following
Bright book is realizing and obtain.
Description of the drawings
In order that the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with accompanying drawing to this practicality
New preferably describe in detail, wherein:
Decomposition texture schematic diagrams of the Fig. 1 for this utility model agitating friction weldering water-gas welding joint;
Reference:1 is housing, and 2 is mixing needle, and 3 is end cap, and 4 is spring, and 5 is plug, and 6 is sealing ring, and 7 is dust-proof
Circle, 8 is locating pin;Wherein, 11 is inner chamber, and 21 is big cylinder, and 211 is annular groove, and 22 is small cylinder, and 221 is screw thread,
31 is inner via hole, and 32 is oil duct, and 33 is installing hole.
Specific embodiment
Below with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail;It should be appreciated that it is preferred that real
Example is applied only for this utility model is described, rather than in order to limit protection domain of the present utility model.
As shown in figure 1, the agitating friction weldering water-gas welding joint that the present embodiment is provided, mainly by housing 1, mixing needle 2, end
Lid 3 and spring 4 are constituted, and the housing 1 is provided with inner chamber 11, for housing mixing needle 2 and spring 4, the shape point of the mixing needle 2
Greatly, little two cylinders, including big cylinder 21 and small cylinder 22;End cap 3 is coordinated by the installing hole 33 for arranging thereon
Connecting bolt (not shown) is connected on housing 1, for limiting the big cylinder 21 and spring 4 of mixing needle 2 in 1 inner chamber 11 of housing
Interior;And locating pin 8 is provided with the side wall of end cap 3, for limiting mixing needle 2 relative to the radial rotating between 1 inner chamber 11 of housing;
Inner via hole 31 is provided with the axial direction center of end cap 3, the small cylinder 22 of mixing needle 2 through the inner via hole 31 and is located at
Outside the inner chamber 11 of housing 1, for implementing agitating friction weldering;Spring 4 is sleeved on outside the small cylinder 22 of mixing needle 2 and is located at stirring
Between the big cylinder 21 and end cap 3 of pin 2;The 21 side wall of big cylinder of mixing needle 2 is being provided with ring in the circumference of its bottom
Connected in star 211, for installing sealing member (not shown);1 inner chamber 11 of housing stores hydraulic pressure in the side near annular groove 211
Oil, makes mixing needle 2 do axially reciprocating relative to 1 inner chamber 11 of housing for coordinating with spring 4.Hydraulic principle is in certain machine
In tool, electronic system, by the static pressure of liquid medium, overstocking, transmit, amplifying for energy is completed, the light of mechanical function is realized
Skilfulization, scientific, maximization.By adopting such scheme, this utility model is engaged with spring using hydraulic principle can
The height of mixing needle is adjusted, so that same stirring-head can weld the material of different-thickness, traditional stirring-head is solved
Different-thickness material needs the problem of different length mixing needle, has saved cost.Simultaneously so that mixing needle size can be with standard
Change, i.e., same housing mates various sizes of mixing needle, reduces production cost, meanwhile, the application of the assembling structure causes to stir
Mix the convenient disassembly of pin, quick.Certainly in various embodiments, can also be without using spring, by stirring set by inner chamber
The both sides of the big cylinder of pin are mixed while component hydraulic control system, can equally reach the purpose for adjusting mixing needle different length.
In the present embodiment, oil duct 32 on the end cap 3, is additionally provided with, one end of the oil duct 32 is communicated in inner chamber 11, is used for
Permeability between the big cylinder of drain and end cap, its other end are provided with plug 5, at any time trapped fuel in oil duct can be carried out as needed
Cleaning work.The oil duct 32 can arrange multiple, be easy to drain.Preferably, the oil duct 32 is of an L-shaped structure, and crosspiece is communicated in interior
Chamber 11, perpendicular section is on the axial direction of end cap 3.Permeability drainage effect in inner chamber can so be made more preferably.
In the present embodiment, sealing ring 6 and dust ring 7, the sealing ring 6 in the end cap 3, is sequentially set with from left to right
It is successively set in 3 inner via hole of end cap, 31 corresponding groove with dust ring 7, the dust ring 7 is lips dust ring.So, in reality
Between the small cylinder 22 of existing end cap 3 and mixing needle 2 while sealing function, with dust-proof effect.And lips dust ring can not only
Enough entrance for effectively preventing dust dirt sand grains impurity, also greatly prevent scratch, protect the small cylinder of mixing needle, prolong
Its service life.Also, lips dust ring is continuous annular, can be easy to be loaded in the groove of end cap 3.
In the present embodiment, the sealing ring 6 is set at least 2;The annular groove 211 is set at least 2, each
One-to-one sealing member therewith is provided with annular groove 211.
In the present embodiment, the sealing member or sealing ring 6 are made by polymer rubber material or metal-rubber material.Adopt
Polymer rubber material is used, not only there is the elasticity of rubber, additionally it is possible to obtain larger damping and frictional force to suppress mixing needle 2
In the rotation in the radial direction of 1 inner chamber 11 of housing, sealing member or sealing thrust of the circle body to mixing needle can be effectively improved,
So as to reach the purpose for strengthening airtight quality.Certainly, in various embodiments, can also be made using metal-rubber material
Seal, so in the special inherent character with extreme environment (high temperature, high pressure) with selected metal, is had similar to rubber again
The same elasticity of glue, does not fear high and low temperature under spatial environmentss, and without characteristics such as aging possibility.
In the present embodiment, the locating pin 8 is set at least 2, and the radial direction uniform intervals along end cap 3 are arranged.
So, be conducive to the fixation between mixing needle 2 and end cap 3, so that mixing needle 2 can be linked with housing 1.
In the present embodiment, screw thread 221 is provided with the small cylinder 22 of the mixing needle 2, can improve welding material
Mobility, so that improve welding effect.
In the present embodiment, the housing 1, mixing needle 2 and end cap 3 are using H30 mould steel powder metallurgy by directly gold
Category is laser sintered to be made.So, the wearability of plumb joint can be increased, so that welding cost reduces.And can weld
The mobility of reinforcing material in journey, so as to improve welding quality, reduces the generation of weld defect.
Finally illustrate, above example is only unrestricted in order to the technical solution of the utility model to be described, although ginseng
This utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent, and without deviating from the objective and scope of the technical program, which all should
Cover in the middle of right of the present utility model.
Claims (9)
1. a kind of agitating friction weldering water-gas welding joint, it is characterised in that:Including housing, mixing needle, end cap and spring, wherein,
The housing is provided with inner chamber, for housing mixing needle and spring;
The shape of the mixing needle is divided to big, little two cylinders;
The end cap is connected to housing, for limiting big cylinder and spring is in inner chamber;Locating pin is provided with the side wall of end cap,
For limiting mixing needle relative to the radial rotating between housing cavity;Inner via hole is provided with the axial direction center of end cap, institute
Small cylinder is stated through inner via hole and is located at outside inner chamber, for implementing agitating friction weldering;
The spring is sleeved on outside small cylinder and is located between big cylinder and end cap;
The big cylindrical sidewall is being provided with annular groove in the circumference of its bottom, for installing sealing member;
The inner chamber stores hydraulic oil in the side near annular groove, makes mixing needle relative to housing for coordinating with spring
Inner chamber does axially reciprocating.
2. agitating friction weldering according to claim 1 water-gas welding joint, it is characterised in that:Oil is additionally provided with the end cap
Road, one end of the oil duct are communicated in inner chamber, and for the permeability between the big cylinder of drain and end cap, its other end is provided with stifled
Head.
3. agitating friction weldering according to claim 2 water-gas welding joint, it is characterised in that:The oil duct is of an L-shaped structure,
Crosspiece is communicated in inner chamber, and perpendicular section is on the axial direction of end cap.
4. agitating friction weldering according to claim 1 water-gas welding joint, it is characterised in that:In the end cap from left to right
Sealing ring and dust ring is sequentially set with, the sealing ring and dust ring are successively set in the corresponding groove of end cap inner via hole, institute
Dust ring is stated for lips dust ring.
5. agitating friction weldering according to claim 4 water-gas welding joint, it is characterised in that:The sealing ring be set to
Few 2;The annular groove is set at least 2, is provided with one-to-one sealing member therewith in each annular groove.
6. agitating friction weldering according to claim 5 water-gas welding joint, it is characterised in that:The sealing member or sealing ring
Made by polymer rubber material or metal-rubber material.
7. agitating friction weldering according to claim 1 water-gas welding joint, it is characterised in that:The locating pin be set to
Few 2, and the radial direction uniform intervals arrangement along end cap.
8. agitating friction weldering according to claim 1 water-gas welding joint, it is characterised in that:The small column of the mixing needle
Screw thread is provided with body.
9. agitating friction weldering according to claim 1 water-gas welding joint, it is characterised in that:The housing, mixing needle and
End cap is made by direct metal laser sintering using H30 mould steel powder metallurgies.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621063874.2U CN206010142U (en) | 2016-09-19 | 2016-09-19 | A kind of agitating friction weldering water-gas welding joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621063874.2U CN206010142U (en) | 2016-09-19 | 2016-09-19 | A kind of agitating friction weldering water-gas welding joint |
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CN206010142U true CN206010142U (en) | 2017-03-15 |
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ID=58260962
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CN201621063874.2U Expired - Fee Related CN206010142U (en) | 2016-09-19 | 2016-09-19 | A kind of agitating friction weldering water-gas welding joint |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107175401A (en) * | 2017-05-17 | 2017-09-19 | 北京世佳博科技发展有限公司 | Improve the flexible friction stir welding tool and welding method of production efficiency |
CN110640290A (en) * | 2019-09-25 | 2020-01-03 | 大同新成新材料股份有限公司 | Lithium battery cap press welding equipment |
CN113977067A (en) * | 2021-11-22 | 2022-01-28 | 中国兵器工业第五九研究所 | Friction material increase blank manufacturing method |
-
2016
- 2016-09-19 CN CN201621063874.2U patent/CN206010142U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107175401A (en) * | 2017-05-17 | 2017-09-19 | 北京世佳博科技发展有限公司 | Improve the flexible friction stir welding tool and welding method of production efficiency |
CN107175401B (en) * | 2017-05-17 | 2019-09-20 | 北京世佳博科技发展有限公司 | Improve the flexible friction stir welding tool and welding method of production efficiency |
CN110640290A (en) * | 2019-09-25 | 2020-01-03 | 大同新成新材料股份有限公司 | Lithium battery cap press welding equipment |
CN113977067A (en) * | 2021-11-22 | 2022-01-28 | 中国兵器工业第五九研究所 | Friction material increase blank manufacturing method |
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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 | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20180919 |