CN206277032U - A kind of friction welding magic chuck - Google Patents
A kind of friction welding magic chuck Download PDFInfo
- Publication number
- CN206277032U CN206277032U CN201621272153.2U CN201621272153U CN206277032U CN 206277032 U CN206277032 U CN 206277032U CN 201621272153 U CN201621272153 U CN 201621272153U CN 206277032 U CN206277032 U CN 206277032U
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- China
- Prior art keywords
- sleeve
- outer tube
- clamp
- inner sleeve
- drag link
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Abstract
A kind of friction welding magic chuck,For the clamping workpiece on friction welding (FW) lathe,It includes main shaft,Outer tube,Main shaft is built with drag link sleeve,Drag link sleeve is built with positioning disk,Positioning disk is connected with pull bar external threading,Outer tube is provided with one end of the inner convex platform of annular and main shaft is connected,Inner convex platform is flexibly connected with drag link sleeve,Inner sleeve is fixed with outer tube,Inner sleeve is crimped with outer tube inner convex platform,The inner sleeve other end is provided with inner conical surface,Clamp is housed in inner sleeve,Clamp is flexibly connected with inner sleeve,Clamp one end is connected with pipe screw thread of helping pull a cart,The other end is provided with collet,Collet is provided with tapered protrusion portion corresponding with inner conical surface on inner sleeve,The male cone (strobilus masculinus) in the tapered protrusion portion is crimped with the inner conical surface activity of inner sleeve,It is uniform equipped with multiple dismountable alloy gripping blocks on the inner cylinder face of collet,The clamping workpiece of the fixture energy fast power-saving,And it is good to clamp rigidity,Welding quality can be improved,Production efficiency.
Description
Technical field
The utility model provides a kind of friction welding magic chuck.
Background technology
The major axis major part on right side is all hollow shaft in car transmission shaft, and hollow shaft mostly uses two spindle noses and precise cold
Roll seamless hollow pipe welding manner, it is therefore an objective to the weight for reducing axle and the rigidity for increasing axle.It is fixed with hollow pipe after welding hollow shaft
Position, the bounce of the external diameter of spindle nose to hollow pipe has strict demand, the abrasion of the fixture for finding to clamp spindle nose during reality processing
Spindle nose external diameter is jumped with respect to the footpath of hollow pipe influences the most notable, it is therefore necessary to the abrasion of the clamping device of strict control spindle nose.
Prior art is that three-jaw is clamped to the clamping mode of spindle nose in welding hollow shaft, is clamped using three-jaw, and one is high cost, and two is not
Jump in the footpath of easily adjustment spindle nose.Because the cylindrical contact area of clamping jaw and spindle nose is small, poor rigidity is clamped, after especially wearing and tearing, it may appear that
Friction whistle, weldquality is poor, and footpath is jumped and exceeded, and causes waste product.Therefore a kind of not only fast power-saving is needed to protect simultaneously but also with quality
The magic chuck of card, ensure that the external diameter of postwelding spindle nose is jumped to the footpath of hollow pipe and requires, it is ensured that welding quality, while reducing labor
Fatigue resistance, reduces cost, raising productivity ratio, and the utility model solves these problems just.
The content of the invention
The purpose of this utility model is to provide a kind of friction welding magic chuck, the clamping workpiece of energy fast power-saving, and folder
Tight rigidity is good, can improve welding quality, production efficiency.
The technical solution of the utility model is：A kind of friction welding magic chuck, it is characterised in that：Including main shaft (3), outward
Sleeve pipe (4), main shaft is provided with centre bore (15), and centre bore is built with drag link sleeve (1), external cylindrical surface and the centre bore of drag link sleeve
Inner cylinder face is flexibly connected, and drag link sleeve is provided with detent (16), positioning disk built with positioning disk (2), the end face of positioning disk
The inner cylinder face screw thread of external cylindrical surface and drag link sleeve be connected, one end and the main shaft of outer tube are connected, and outer tube is connected with main shaft
One end be provided with annular inner convex platform (6), the inner cylinder face of inner convex platform is flexibly connected with the external cylindrical surface of drag link sleeve, in outer tube
Equipped with inner sleeve (8), the external cylindrical surface of inner sleeve is connected with the inner cylinder face of outer tube, in the end face and outer tube of inner sleeve
The inner end crimping of boss, the other end of inner sleeve is provided with inner conical surface (10), and clamp (7) is housed in inner sleeve, clamp it is cylindrical
Cylinder is flexibly connected with the inner cylinder face of inner sleeve, and one end of clamp is connected with the threaded one end of pipe of helping pull a cart, the other end of clamp
Collet (11) is provided with, the external cylindrical surface of collet is provided with tapered protrusion portion corresponding with inner conical surface on inner sleeve
(12), the male cone (strobilus masculinus) in the tapered protrusion portion is crimped with the inner conical surface activity of inner sleeve, is arranged on the inner cylinder face of collet
There are 5~7 dismountable alloys gripping block (13), each alloy gripping block outer end is connected with collet, each alloy gripping block
Inner face is provided with a plurality of teeth groove (17), the axial line of described outer tube, inner sleeve, drag link sleeve, clamp and positioning disk with
The axial line of main shaft overlaps.
Described main shaft refers to the main shaft of the power in friction welding (FW) lathe, and described drag link sleeve refers to can in friction welding (FW) lathe
Along the drag link sleeve of main shaft axial displacement, above-mentioned two part is original part of friction welding (FW) lathe, wherein, main shaft is used to rotate work
Part, drag link sleeve is used to draw in and eject workpiece.
The utility model has the advantages that：Workpiece is placed in clamp, will be positioned in the tail end insertion detent of workpiece, pull bar
Cover and pull clamp, the inner conical surface of inner sleeve to tighten up collet by the male cone (strobilus masculinus) in tapered protrusion portion, make alloy to major axes orientation
Gripping block clamps the front end of workpiece, thus makes workpiece coaxial with main shaft, the clamping workpiece of energy fast power-saving, in the machinery of drag link sleeve
Under pulling force, using the alloy gripping block with alveolar surface, it is rigid good to clamp, and can improve welding quality, production efficiency.
A kind of reliability of friction welding magic chuck of the utility model is high, workpiece loading and unloading efficiency high, can make adding for product
Work dimensionally stable, and its simple structure, are a kind of practical and convenient fixtures；Postwelding workpiece footpath of the prior art is solved to jump
Greatly, fixture high cost and weldquality problem, improve production efficiency and reduces cost, alleviate labour intensity.
Brief description of the drawings
Fig. 1 is a kind of structural representation of friction welding magic chuck of the utility model；
Fig. 2 is the cross-sectional view along A-A directions in Fig. 1.
1 drag link sleeve in figure, 2 positioning disks, 3 main shafts, 4 outer tubes, 5 bolts, 6 inner convex platforms, 7 clamps, 8 inner sleeves, 9 workpiece,
10 inner conical surfaces, 11 collets, 12 tapered protrusion portions, 13 alloy gripping blocks, 14 expansion joints, 15 centre bores, 16 detents, 17
Teeth groove.
Specific embodiment
A kind of friction welding magic chuck, including main shaft 3, outer tube 4, main shaft are provided with centre bore 15, and centre bore is built-in
There is drag link sleeve 1, the external cylindrical surface of drag link sleeve is flexibly connected with the inner cylinder face of centre bore, drag link sleeve is built with positioning disk 2, positioning
The end face of disk is provided with detent 16, and the external cylindrical surface of positioning disk is connected with the inner cylinder face screw thread of drag link sleeve, outer tube
One end is connected by bolt 5 with main shaft, and one end that outer tube is connected with main shaft is provided with the inner convex platform 6 of annular, the inner circle of inner convex platform
Cylinder is flexibly connected with the external cylindrical surface of drag link sleeve, and outer tube is built with inner sleeve 8, external cylindrical surface and the outer tube of inner sleeve
Inner cylinder face is connected, i.e., be excessively to coordinate to be fixedly connected between inner sleeve and outer tube, in the end face and outer tube of inner sleeve
The inner end crimping of boss, the other end of inner sleeve is provided with inner conical surface 10, clamp 7, the external cylindrical surface of clamp is housed in inner sleeve
It is flexibly connected with the inner cylinder face of inner sleeve, one end of clamp is connected with the threaded one end of pipe of helping pull a cart, and the other end of clamp is provided with
Collet 11, the external cylindrical surface of collet is provided with tapered protrusion portion 12 corresponding with inner conical surface on inner sleeve, the taper
The male cone (strobilus masculinus) of lug boss is crimped with the inner conical surface activity of inner sleeve, uniform removable equipped with 5~7 on the inner cylinder face of collet
The alloy gripping block 13 unloaded, each alloy gripping block outer end is connected with collet, and the inner face of each alloy gripping block is provided with many
Bar teeth groove 17, the axial line of described outer tube, inner sleeve, drag link sleeve, clamp and positioning disk overlaps with the axial line of main shaft.
As illustrated, operation principle of the present utility model is：During equipment downtime, drag link sleeve is moved right, drive clamp to
Right motion, in the presence of elasticity, the collet of clamp drives alloy gripping block spreading, is now put into workpiece 9, and make workpiece
Tail end insertion detent in and be close to positioning disk, starting device, drag link sleeve drives clamp to left movement to left movement,
Inner sleeve is mutually promoted down with the inside and outside conical surface of clamp, and the elastic clip head end of clamp draws in, drives alloy gripping block to clamp work
Part, machine spindle drives workpiece to rotate and welded.Because the material of alloy gripping block is steel alloy, therefore with higher
Wearability, long service life, while the inner face of alloy gripping block is provided with axle point to the uniform teeth groove of cloth, can increase clamping
Power, it is to avoid skid and friction whistle, it is ensured that welding quality.When alloy gripping block has abrasion, bolt only need to be unclamped, quickly changed
New alloy gripping block, it is not necessary to which the whole series are changed, the time and adjustment time for changing gripping block is greatly lowered.Therefore make
The fixture provided with the utility model, not only increases production efficiency, reduces cost, it is ensured that product quality, also reduces
Workman changes the labour intensity of frock.Described inner sleeve external cylindrical surface is excessively connected with outer tube inner cylinder face.Described
Collet (collet) outer end is along the circumferential direction uniformly provided with 5~7 axially extending expansion joints 14, and expansion joint is by elasticity
The outer end of chuck is divided into 5~7 clamping jaws, and one piece of alloy gripping block is respectively arranged with each clamping jaw medial surface.Described each alloy
Gripping block is connected by hexagon socket head cap screw with corresponding clamping jaw.
Claims (1)
1. a kind of friction welding magic chuck, it is characterised in that：Including main shaft (3), outer tube (4), main shaft is provided with centre bore
(15), built with drag link sleeve (1), the external cylindrical surface of drag link sleeve is flexibly connected centre bore with the inner cylinder face of centre bore, drag link sleeve
Built with positioning disk (2), the end face of positioning disk is provided with detent (16), the external cylindrical surface of positioning disk and the inner circle of drag link sleeve
Cylinder screw thread is connected, and one end and the main shaft of outer tube are connected, and one end that outer tube is connected with main shaft is provided with the inner convex platform of annular
(6), the inner cylinder face of inner convex platform is flexibly connected with the external cylindrical surface of drag link sleeve, outer tube built with inner sleeve (8), inner sleeve
External cylindrical surface is connected with the inner cylinder face of outer tube, and the end face of inner sleeve is crimped with the inner end of outer tube inner convex platform, inner sleeve
The other end of pipe is provided with inner conical surface (10), and clamp (7), the external cylindrical surface of clamp and the inner cylinder face of inner sleeve are housed in inner sleeve
It is flexibly connected, one end of clamp is connected with the threaded one end of pipe of helping pull a cart, and the other end of clamp is provided with collet (11), elastic clip
The external cylindrical surface of head is provided with tapered protrusion portion (12) corresponding with inner conical surface on inner sleeve, the male cone (strobilus masculinus) in the tapered protrusion portion with
The inner conical surface activity crimping of inner sleeve, is uniformly equipped with 5~7 dismountable alloy gripping blocks on the inner cylinder face of collet
(13), each alloy gripping block outer end is connected with collet, and the inner face of each alloy gripping block is provided with a plurality of teeth groove (17), institute
The axial line of outer tube, inner sleeve, drag link sleeve, clamp and the positioning disk stated overlaps with the axial line of main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621272153.2U CN206277032U (en) | 2016-11-24 | 2016-11-24 | A kind of friction welding magic chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621272153.2U CN206277032U (en) | 2016-11-24 | 2016-11-24 | A kind of friction welding magic chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206277032U true CN206277032U (en) | 2017-06-27 |
Family
ID=59083408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621272153.2U Active CN206277032U (en) | 2016-11-24 | 2016-11-24 | A kind of friction welding magic chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206277032U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109259839A (en) * | 2017-07-18 | 2019-01-25 | 索尔科生物医疗株式会社 | Osteocomma is fixed to use sleeve screw assembly |
| CN111872427A (en) * | 2020-07-07 | 2020-11-03 | 河南航天液压气动技术有限公司 | Workpiece quick-change tool for lathe |
| CN112658563A (en) * | 2020-12-03 | 2021-04-16 | 耐世特凌云驱动系统(涿州)有限公司 | Clamp for friction welding |
| CN113478151A (en) * | 2021-08-04 | 2021-10-08 | 兰州爱赛特机电科技有限公司 | Centering fixture for friction welding steel claw |
| CN114074210A (en) * | 2020-08-14 | 2022-02-22 | 林肯环球股份有限公司 | Backfill type friction stir spot welding tool and end effector |
| CN114147620A (en) * | 2021-12-16 | 2022-03-08 | 新昌浙江工业大学科学技术研究院 | Brush auxiliary force rheological polishing device and polishing method for thin-wall annular part |
-
2016
- 2016-11-24 CN CN201621272153.2U patent/CN206277032U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109259839A (en) * | 2017-07-18 | 2019-01-25 | 索尔科生物医疗株式会社 | Osteocomma is fixed to use sleeve screw assembly |
| CN111872427A (en) * | 2020-07-07 | 2020-11-03 | 河南航天液压气动技术有限公司 | Workpiece quick-change tool for lathe |
| CN114074210A (en) * | 2020-08-14 | 2022-02-22 | 林肯环球股份有限公司 | Backfill type friction stir spot welding tool and end effector |
| CN112658563A (en) * | 2020-12-03 | 2021-04-16 | 耐世特凌云驱动系统(涿州)有限公司 | Clamp for friction welding |
| CN113478151A (en) * | 2021-08-04 | 2021-10-08 | 兰州爱赛特机电科技有限公司 | Centering fixture for friction welding steel claw |
| CN114147620A (en) * | 2021-12-16 | 2022-03-08 | 新昌浙江工业大学科学技术研究院 | Brush auxiliary force rheological polishing device and polishing method for thin-wall annular part |
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