CN209503219U - One kind is split type can pumpback stirring-head - Google Patents

One kind is split type can pumpback stirring-head Download PDF

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Publication number
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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China
Prior art keywords
stirring
shaft shoulder
head
main body
head main
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Active
Application number
CN201822236619.9U
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Chinese (zh)
Inventor
李超
宋建岭
赵英杰
王惠苗
孟占兴
纪文学
刘琦辉
王雷
孙转平
于华英
刘佳
王超
龚习
颜明礼
王照禹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Aerospace Changzheng Rocket Manufacturing Co Ltd
China Academy of Launch Vehicle Technology CALT
Original Assignee
Tianjin Aerospace Changzheng Rocket Manufacturing Co Ltd
China Academy of Launch Vehicle Technology CALT
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Application filed by Tianjin Aerospace Changzheng Rocket Manufacturing Co Ltd, China Academy of Launch Vehicle Technology CALT filed Critical Tianjin Aerospace Changzheng Rocket Manufacturing Co Ltd
Priority to CN201822236619.9U priority Critical patent/CN209503219U/en
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Publication of CN209503219U publication Critical patent/CN209503219U/en
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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

One kind is split type can pumpback stirring-head
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).
CN201822236619.9U 2018-12-28 2018-12-28 One kind is split type can pumpback stirring-head Active CN209503219U (en)

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

Publications (1)

Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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