CN209503219U - One kind is split type can pumpback stirring-head - Google Patents
One kind is split type can pumpback stirring-head Download PDFInfo
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- CN209503219U CN209503219U CN201822236619.9U CN201822236619U CN209503219U CN 209503219 U CN209503219 U CN 209503219U CN 201822236619 U CN201822236619 U CN 201822236619U CN 209503219 U CN209503219 U CN 209503219U
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Abstract
The utility model provide it is a kind of it is split type can pumpback stirring-head, including stirring-head main body, shaft shoulder lock tube, mixing needle and the shaft shoulder；The shaft shoulder and stirring-head main body are correspondingly arranged matched keyway, to grafting driving torque by proximal end setting retainingf key in stirring-head main body；Shaft shoulder lock tube is placed on outside the shaft shoulder and is detachably connected with stirring-head main body；Shaft shoulder lock tube matches the step surface of setting limitation axial freedom with shaft shoulder phase-contact surface respectively.One kind described in the utility model is split type can pumpback stirring-head, using the shaft shoulder and stirring-head main body separate structure, in the case where not dismantling stirring-head main body, the shaft shoulder of convenient replacement different size, improve production efficiency, simultaneously because only the shaft shoulder need to be produced without duplicate production stirring-head main body, the production cost of stirring-head is reduced, economic and practical ability is improved.
Description
Technical field
The utility model belongs to welding technology field, more particularly, to a kind of Friction Stir Welding.
Background technique
Agitating friction weldering is a completely new welding technique, has environmentally protective, noiseless pollution, and weld joint mechanical performance is excellent
The advantages that good.Stirring-head is the key that agitating friction welding technology, and optimal stirring-head is the premise for obtaining high quality weld seam.Normal
In the welding for advising agitating friction weldering, weld seam tail end often generates keyhole defect because stirring-head extracts materials to be welded, this makes
Convention stir head cannot achieve the welding of girth joint, can the appearance of pumpback stirring-head solve the problems, such as this.It can pumpback stirring-head
Mixing needle and the stirring-head shaft shoulder can move respectively, can pumpback stirring-head welding in, welding terminate before mixing needle with certain
Speed pumpback, until the complete pumpback of mixing needle, into the stirring-head shaft shoulder, welding terminates at this time, keyhole defect is in plastic state gold at solder tail
It fills and eliminates under the flowing of category.
Currently apply can pumpback stirring-head be integral type pumpback head, mainly include the shaft shoulder and mixing needle two
Point, mixing needle can move respectively with the shaft shoulder.There are following items in actual production use:
1) because being an integral structure, a stirring-head only corresponds to a shaft shoulder, if needing to use other specification axis in production
When shoulder, the stirring-head that can only more renew；2) it when replacing other specification stirring-head shaft shoulders, needs to set stirring-head from agitating friction weldering
It removes on standby main shaft, then again installs new stirring-head to machine spindle, entire disassembly process is complicated, replaces low efficiency；3)
In process, stirring-head main body needs are heat-treated together with the shaft shoulder, and production cost is higher；4) the stirring-head shaft shoulder is worn
Afterwards, it needs to reprocess entire stirring-head main body or scraps processing, higher cost, and be easy to cause waste.
Summary of the invention
In view of this, the utility model be directed to it is a kind of it is split type can pumpback stirring-head, using the shaft shoulder and stirring-head master
Body separate structure, in the case where not dismantling stirring-head main body, the convenient shaft shoulder for replacing different size improves production effect
Rate, while because need to only produce the shaft shoulder without duplicate production stirring-head main body, the production cost of stirring-head is reduced, is improved economical
The ability of being applicable in.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
It is a kind of it is split type can pumpback stirring-head, including stirring-head main body, shaft shoulder lock tube, mixing needle and the shaft shoulder；
Retainingf key is arranged by proximal end in stirring-head main body in the shaft shoulder, is correspondingly arranged in stirring-head main body matched
Keyway, to grafting driving torque；
Shaft shoulder lock tube is placed on outside the shaft shoulder and is detachably connected with stirring-head main body；
Shaft shoulder lock tube matches the step surface of setting limitation axial freedom with shaft shoulder phase-contact surface respectively.
Further, the shaft shoulder lock tube is connect with stirring-head main body screw.
Further, the contact surface point of the shaft shoulder and the concentric setting of stirring-head main body, the shaft shoulder and stirring-head main body
It Bao Kuo not interface and axle center positioning surface.
Further, shaft shoulder interface matches respectively with stirring-head main body interface and is set as the conical surface；The circular cone of the conical surface
Angle is 120 °.
Further, shaft shoulder axle center positioning surface is cooperated with stirring-head main body axle center positioning surface using H7/h6 mode.
Further, the gap between the mixing needle and shaft shoulder aperture is 0.01-0.03mm.
Further, the keyway and retainingf key are symmetrical arranged several groups centered on shaft shoulder axial line.
Further, the terrace of appearing on the stage of appear on the stage terrace and the shaft shoulder lock tube of the shaft shoulder is matched using H7/g6 or H7/h6 mode
It closes.
Further, the material of the shaft shoulder and mixing needle uses GH4169 high temperature alloy or hot die steel.
Further, the stirring-head main body and the material of shaft shoulder lock tube use mould steel, stainless steel or other steel alloys.
Compared with the existing technology, one kind described in the utility model it is split type can pumpback stirring-head have the advantage that
(1) stirring-head main body can connect installation with the shaft shoulder of plurality of specifications, when needing replacing other specifications in welding process
The shaft shoulder when, the shaft shoulder can be replaced in the case where not dismantling stirring-head main body, and replacement process is simple and convenient；
(2) in Friction Stir Welding can the pumpback stirring-head shaft shoulder abrasion loss it is larger, after shaft shoulder wear-out failure, only need pair
New shaft shoulder installation and replacement are reprocessed or produced to the shaft shoulder, greatly reduces the production cost of stirring-head, economical and practical.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 be the utility model embodiment described in it is split type can pumpback stirring-head assembled state schematic diagram；
Fig. 2 is stirring-head main body schematic diagram described in the utility model embodiment；
Fig. 3 is shaft shoulder schematic diagram described in the utility model embodiment；
Fig. 4 is shaft shoulder diagrammatic cross-section described in the utility model embodiment；
Fig. 5 is shaft shoulder lock tube schematic diagram described in the utility model embodiment；
Fig. 6 is shaft shoulder lock tube diagrammatic cross-section described in the utility model embodiment；
Fig. 7 is mixing needle schematic diagram described in the utility model embodiment.
Description of symbols:
1- stirring-head main body；11- keyway；12- stirring-head main body axle center positioning surface；13- stirring-head main body interface；2- axis
Shoulder lock tube；The terrace of appearing on the stage of 21- shaft shoulder lock tube；3- mixing needle；The 4- shaft shoulder；41- retainingf key；The terrace of appearing on the stage of the 42- shaft shoulder；43-
Shaft shoulder axle center positioning surface；5- shaft shoulder interface；6- step surface.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Such as Fig. 1-7, it is a kind of it is split type can pumpback stirring-head, including stirring-head main body 1, shaft shoulder lock tube 2, mixing needle 3 and axis
Shoulder 4；
The shaft shoulder 4 stirring-head main body 1 by proximal end be arranged retainingf key 41, be correspondingly arranged in stirring-head main body 1 and its
Matched keyway 11, to grafting driving torque；
Shaft shoulder lock tube 2 is placed on outside the shaft shoulder 4 and is detachably connected with stirring-head main body 1；
Shaft shoulder lock tube 2 matches the step surface 6 of setting limitation axial freedom with 4 phase-contact surface of the shaft shoulder respectively.
The shaft shoulder 4 and stirring-head main body 1, which are limited by retainingf key 41 and keyway 11 to grafting, fixes, and turns round to provide transmission
Square；
Shaft shoulder lock tube 2 and the shaft shoulder 4 are by being arranged matched step surface 6 shaft shoulder 4 is limited in stirring-head main body 1 and axis
Between shoulder lock tube 2；
Shaft shoulder lock tube 2 is detachably connected with stirring-head main body 1, is kept the replacement of the shaft shoulder 4 convenient and efficient, is reduced stirring-head
Production cost improves production efficiency.
The shaft shoulder lock tube 2 is threadedly coupled with stirring-head main body 1.The mode of threaded connection is simple, easy to process.
The shaft shoulder 4 and the concentric setting of stirring-head main body 1, the shaft shoulder 4 and the contact surface of stirring-head main body 1 wrap respectively
Include interface and axle center positioning surface.
Shaft shoulder interface 5 matches respectively with stirring-head main body interface 13 and is set as the conical surface；The coning angle of the conical surface is
120°.The design of the conical surface, more than axial limitation, while the conical surface can automatic guide, be easy to stirring-head main body 1, the shaft shoulder 4 and the shaft shoulder
The assembly of lock tube 2.
Shaft shoulder axle center positioning surface 43 is cooperated with stirring-head main body axle center positioning surface 12 using H7/h6 mode.It prevents from welding
Eccentric reforming phenomena is generated in journey.
Gap between 4 aperture of the mixing needle 3 and the shaft shoulder is 0.01-0.03mm.Guarantee to stir in pumpback welding process
Needle 3 is smoothly drawn back, and avoids seismism occur because being eccentrically rotated in welding process.
The terrace 21 of appearing on the stage of appear on the stage terrace 42 and the shaft shoulder lock tube of the shaft shoulder is cooperated using H7/g6 or H7/h6 mode.It protects
Demonstrate,prove the stability in stirring-head welding process.
Installation steps are as follows when use:
1) mixing needle 3 is installed to the pumpback axis of agitating friction soldering equipment main shaft；
2) stirring-head main body 1 mixing needle 3 is passed through to be installed on agitating friction soldering equipment main shaft；
3) shaft shoulder 4 is installed in stirring-head main body 1, the retainingf key 41 on the shaft shoulder 4 should be inserted into the keyway of stirring-head main body 1
In 11；
4) shaft shoulder lock tube 2 is mounted in stirring-head main body 1 and is locked across the shaft shoulder 4, guarantee the shaft shoulder 4 and stirring-head main body
1 fitting tight；
5) starting device adjusting mixing needle 3 stretching needle is long, carries out weld job.
Replace 4 step of the shaft shoulder:
1) it unscrews and unloads shaft shoulder lock tube 2；
2) the existing shaft shoulder 4 is removed and will be in the new installation to stirring-head main body 1 of the shaft shoulder 4 to be replaced；
3) shaft shoulder lock tube 2 is installed and is locked.
The above is only the preferred embodiment of the utility model only, be not intended to limit the utility model spirit and
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the utility model encloses.
Claims (10)
1. it is a kind of it is split type can pumpback stirring-head, it is characterised in that: including stirring-head main body (1), shaft shoulder lock tube (2), mixing needle
(3) and the shaft shoulder (4)；
The shaft shoulder (4) by proximal end setting retainingf key (41), is correspondingly arranged in stirring-head main body (1) on stirring-head main body (1)
Matched keyway (11), to grafting driving torque；
Shaft shoulder lock tube (2) is placed on the shaft shoulder (4) and is detachably connected outside with stirring-head main body (1)；
Shaft shoulder lock tube (2) matches the step surface (6) of setting limitation axial freedom with the shaft shoulder (4) phase-contact surface respectively.
2. one kind according to claim 1 is split type can pumpback stirring-head, it is characterised in that: the shaft shoulder lock tube (2) with
Stirring-head main body (1) is threadedly coupled.
3. one kind according to claim 1 is split type can pumpback stirring-head, it is characterised in that: the shaft shoulder (4) and stirring
Head main body (1) concentric setting, the contact surface of the shaft shoulder (4) and stirring-head main body (1) respectively includes interface and axle center is fixed
Plane.
4. one kind according to claim 3 is split type can pumpback stirring-head, it is characterised in that: shaft shoulder interface (5) with stir
It mixes a main body interface (13) and matches respectively and be set as the conical surface；The coning angle of the conical surface is 120 °.
5. one kind according to claim 3 is split type can pumpback stirring-head, it is characterised in that: shaft shoulder axle center positioning surface (43)
Cooperated with stirring-head main body axle center positioning surface (12) using H7/h6 mode.
6. one kind according to claim 1 is split type can pumpback stirring-head, it is characterised in that: the mixing needle (3) and axis
Gap between shoulder (4) aperture is 0.01-0.03mm.
7. one kind according to claim 1 is split type can pumpback stirring-head, it is characterised in that: the keyway (11) and fixed
Key (41) is symmetrical arranged several groups centered on the shaft shoulder (4) axial line.
8. one kind according to claim 1 is split type can pumpback stirring-head, it is characterised in that: the terrace of appearing on the stage of the shaft shoulder
(42) cooperated with the terrace of appearing on the stage (21) of shaft shoulder lock tube using H7/g6 or H7/h6 mode.
9. one kind according to claim 1 is split type can pumpback stirring-head, it is characterised in that: the shaft shoulder (4) and stirring
The material of needle (3) uses GH4169 high temperature alloy or hot die steel.
10. one kind according to claim 1 is split type can pumpback stirring-head, it is characterised in that: the stirring-head main body (1)
Mould steel, stainless steel or other steel alloys are used with the material of shaft shoulder lock tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822236619.9U CN209503219U (en) | 2018-12-28 | 2018-12-28 | One kind is split type can pumpback stirring-head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822236619.9U CN209503219U (en) | 2018-12-28 | 2018-12-28 | One kind is split type can pumpback stirring-head |
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| Publication Number | Publication Date |
|---|---|
| CN209503219U true CN209503219U (en) | 2019-10-18 |
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ID=68198110
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822236619.9U Active CN209503219U (en) | 2018-12-28 | 2018-12-28 | One kind is split type can pumpback stirring-head |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112091410A (en) * | 2020-09-23 | 2020-12-18 | 中车戚墅堰机车车辆工艺研究所有限公司 | Friction stir tool for friction stir processing of to-be-welded aluminum-based composite material |
| CN112222605A (en) * | 2020-11-10 | 2021-01-15 | 湖南坤鼎数控科技有限公司 | Split type friction stir welding stirring head |
-
2018
- 2018-12-28 CN CN201822236619.9U patent/CN209503219U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112091410A (en) * | 2020-09-23 | 2020-12-18 | 中车戚墅堰机车车辆工艺研究所有限公司 | Friction stir tool for friction stir processing of to-be-welded aluminum-based composite material |
| CN112222605A (en) * | 2020-11-10 | 2021-01-15 | 湖南坤鼎数控科技有限公司 | Split type friction stir welding stirring head |
| CN112222605B (en) * | 2020-11-10 | 2021-12-28 | 湖南坤鼎数控科技有限公司 | Split type friction stir welding stirring head |
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