CN104588890A - Clamp for surfacing outer surface of thin-wall annular workpiece - Google Patents
Clamp for surfacing outer surface of thin-wall annular workpiece Download PDFInfo
- Publication number
- CN104588890A CN104588890A CN201410845971.6A CN201410845971A CN104588890A CN 104588890 A CN104588890 A CN 104588890A CN 201410845971 A CN201410845971 A CN 201410845971A CN 104588890 A CN104588890 A CN 104588890A
- Authority
- CN
- China
- Prior art keywords
- wall
- tapering
- positioning disk
- circular
- workpiece
- Prior art date
- 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.)
- Granted
Links
- 238000003466 welding Methods 0.000 claims description 14
- 238000003754 machining Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
Abstract
The invention relates to a clamp for surfacing the outer surface of a thin-wall annular workpiece. The clamp is characterized by comprising a locating disc, an expansion ring and a circular pressing block, wherein a notch is formed in the expansion ring, and the inner wall of the expansion ring is tapered; the outer wall of the circular pressing block is tapered; the taper of the circular pressing block is matched with the taper of the inner wall of the expansion ring; an inner ring of a machined expansion ring is fastened at the center area of the locating disc through a fastening piece after being arranged on the expansion ring which is provided with the notch and has the tapered inner wall and is matched with the circular pressing block which has the tapered outer wall. According to the clamp disclosed by the invention, the locating disc just needs to be clamped by a clamp in the prior art, and the inner wall of the machined thin-wall annular workpiece is uniformly stressed because the notch in the expansion ring is matched with the taper of the circular pressing block while a wear-resisting layer is welded by adopting a laser, so that the machined annular workpiece is unlikely to deform after machining, and the quality of products after laser surfacing is carried out on the wear-resisting layer is ensured.
Description
Technical field
The present invention relates to a kind of fixture, especially a kind of annular workpieces outer surface heap welding clamp.
Background technology
Annular workpieces rotates hard seal as one, have very high requirement to the hardness of its outer surface, abrasion resistance, decay resistance, the raw material of these workpiece are all generally steel, thus, be after annular workpieces by steel car, also need the outer surface of annular workpieces to carry out surface modification treatment.Common method adopts supersonic cold gas spray or thermal spraying mode, and these two kinds of modes exist a lot of limitation.Now relatively more conventional technology is the mode adopting built-up welding, comprise manual build up welding, plasma automatic surfacing and laser melting coating (built-up welding), and laser melting coating is the welding method of a kind of advanced person adopted in recent years, with manual build up welding, plasma automatic surfacing, there are energy-conserving and environment-protective, uniformity is good, dilution rate is little, the feature that automaticity is high, namely annular workpieces is fixed on fixture, then laser irradiates surface of the work formation molten bath, pulverous specific alloy material is delivered in molten bath simultaneously, thus the wearing layer required for being formed.When annular workpieces is fixed on fixture, current commonsense method, need process annular workpieces with scroll chuck from inside to fix, adopt the workpiece that rapidoprint volume is large or wall thickness is thicker in this way, workpiece deformation amount after processing is little, and for thin-wall workpiece, heat during welding can not be distributed in time because material heat capacity is little, cause processed annular workpieces generation heat expansion phenomenon and loosen, in order to ensure carrying out smoothly of processing, timely tensioner scroll chuck is needed in process, machine rear annular workpieces and produce distortion when cooling, particularly 3 bearings, the degree of its distortion is even more serious, thus, annular workpieces after processing has not been circular, in order to ensure enough allowance, weld layer needs enough thickness, post-production workload is very large, and easily cause waste product.
Summary of the invention
For the deficiencies in the prior art, the technical problem to be solved in the present invention be to provide a kind of fixture make circular thin-wall workpiece in weld deposit process, produce heat expansion also not yielding especially bearing is indeformable.
For this reason, the present invention adopts following technical scheme to realize: a kind of fixture for the built-up welding of circular thin-wall outer surface of workpiece, it is characterized in that comprising positioning disk, with breach and inwall has the circular briquetting that the tensioner ring of tapering and outer wall have tapering, the tapering of described circular briquetting mates with tensioner ring inwall tapering, described band breach and the tensioner ring that inwall has tapering is placed in described processed circular thin-wall workpiece, again described outer wall is had conicity circular briquetting embed described band breach and inwall there is tapering tensioner ring in after by securing member, circular briquetting is fastened on described positioning disk.
This structure of the present invention, when annular workpieces expands with heat and contract with cold, after the circular briquetting that the breach had due to tensioner ring and the tapering of its inwall and outer wall have a tapering coordinates, on the one hand the thermal capacity of material is increased, the temperature rise of material eases up, under on the other hand tensioner ring has the effect of circular briquetting that certain elasticity has tapering at outer wall, along with annular workpieces expands during heating, ensure that annular workpieces does not loosen, during cooling, the periphery of its tensioner ring makes described processed annular workpieces Homogeneous cooling shrink with comprehensive contact of the inwall of processed annular workpieces, thus, all very even when processed annular workpieces heat expansion or shrinkage, still annular shape is kept after ensureing annular workpieces processing, simultaneously, quick despatch is realized to processed annular workpieces, clamping.
Described positioning disk is provided with some concentric circles graduation marks, fast and easy location is raised the efficiency.
Preferably described securing member is bolt, and the center of positioning disk has through hole, and bolt is through described through hole.
Preferably positioning disk side is provided with the minor axis with positioning disk concentric, for linking with scroll chuck.
In sum, the invention has the beneficial effects as follows: make annular workpieces in process, produce the heat expansion also not yielding circularity especially ensureing its profile.
Accompanying drawing explanation
Fig. 1 is the structure chart of fixture of the present invention;
Fig. 2 is the structure chart of positioning disk of the present invention;
Fig. 3 is tensioner ring of the present invention and circular briquetting structure chart when being placed in positioning disk center;
Fig. 4 is the structure chart of tensioner ring.
Detailed description of the invention
As shown in the figure, this fixture for processing annular workpieces outer surface comprises positioning disk 5, band breach and inwall have the tensioner ring 2 of tapering and outer wall has the circular briquetting 3 of tapering, the tapering of circular briquetting 3 mates with tensioner ring 2 inwall tapering, and processed tensioner ring 1 inner ring puts the central area to be fastened on positioning disk 5 after the circular briquetting 3 of cooperation after tensioner ring 2 by bolt 4.Wherein, by time fastening for processed annular workpieces, undertaken fastening by bolt, have through hole at the center of positioning disk, bolt, through described through hole, as long as screwing bolts, is pressed with in circular briquetting, is just given fastening by processed annular workpieces.Certainly, annular workpieces is fastened on after on positioning disk, adopts fixture of the prior art to be clamped by positioning disk, just can work.
When processed annular workpieces 1 adds man-hour and the rear generation of processing is expanded with heat and contract with cold, due to the breach of tensioner ring 2 effect with band tapering circular briquetting mate after, tensioner ring 2 and then expands with heat and contract with cold, make by the annular workpieces inwall uniform force added, thus, ensure processed after annular workpieces indeformable, realize quick despatch, clamping simultaneously.Positioning disk 5 is provided with some concentric circles graduation marks 8, if add man-hour annular workpieces is aimed at graduation mark place just can, facilitate processed annular workpieces quick position to improve working (machining) efficiency.The side of positioning disk 5 is provided with the minor axis 6 with positioning disk concentric, as long as in prior art, the clamping bar of fixture clamps the outer shroud of minor axis 6 just by positioning disk clamping, to realize laser overlaying welding processing.
Claims (4)
1. pile welding clamp for circular thin-wall outer surface of workpiece for one kind, it is characterized in that comprising positioning disk, circular briquetting that tensioner ring that band breach and inwall have tapering and outer wall have tapering, the tapering of described circular briquetting mates with tensioner ring inwall tapering, described band breach and the tensioner ring that inwall has tapering are placed in described processed circular thin-wall workpiece, more described outer wall is had conicity circular briquetting embed described band breach and inwall there is tapering tensioner ring in after by securing member, circular briquetting is fastened on described positioning disk.
2. pile welding clamp according to according to claim 1 for circular thin-wall outer surface of workpiece, it is characterized in that described securing member is bolt (4), the center of described positioning disk has through hole, and described bolt is through described through hole.
3. pile welding clamp according to according to claim 1 for circular thin-wall outer surface of workpiece, it is characterized in that on described positioning disk, one side is provided with some concentric circles graduation marks.
4. according to claim 1 for circular thin-wall outer surface of workpiece heap welding clamp, it is characterized in that the another side of described positioning disk is provided with the minor axis concentric with positioning disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410845971.6A CN104588890B (en) | 2014-12-31 | 2014-12-31 | A kind of fixture for circular thin-wall outer surface of workpiece built-up welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410845971.6A CN104588890B (en) | 2014-12-31 | 2014-12-31 | A kind of fixture for circular thin-wall outer surface of workpiece built-up welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104588890A true CN104588890A (en) | 2015-05-06 |
| CN104588890B CN104588890B (en) | 2019-02-05 |
Family
ID=53115129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410845971.6A Active CN104588890B (en) | 2014-12-31 | 2014-12-31 | A kind of fixture for circular thin-wall outer surface of workpiece built-up welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104588890B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803605A (en) * | 2017-09-28 | 2018-03-16 | 中国航发动力股份有限公司 | A kind of weld jig of multilayer thin-wall annular part laser circumference seam weld |
| CN111299829A (en) * | 2019-11-13 | 2020-06-19 | 天津商科数控技术股份有限公司 | Laser lap welding method for nut and metal plate |
| CN114438488A (en) * | 2021-12-22 | 2022-05-06 | 国营芜湖机械厂 | Additive anti-deformation cooperative repair method for aircraft generator housing |
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| CN203592240U (en) * | 2013-09-23 | 2014-05-14 | 北京航天新风机械设备有限责任公司 | Thin-wall cylinder section girth welding device |
| CN204449654U (en) * | 2014-12-31 | 2015-07-08 | 瑞安市激光应用工程示范中心有限公司 | A kind of fixture for the built-up welding of circular thin-wall outer surface of workpiece |
-
2014
- 2014-12-31 CN CN201410845971.6A patent/CN104588890B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201338176Y (en) * | 2009-01-23 | 2009-11-04 | 沈阳黎发热能燃机设备配件有限公司 | Flame tube gas envelope ring forming clamp |
| CN201415315Y (en) * | 2009-04-17 | 2010-03-03 | 上海钻圣和新材料科技有限公司 | Laser welding clamp for diamond thin-walled drill head |
| CN201529869U (en) * | 2009-09-17 | 2010-07-21 | 国营红阳机械厂 | Aluminum alloy barrel circumferential welding line mixing and friction welding supporting device |
| CN201792089U (en) * | 2010-08-26 | 2011-04-13 | 安徽广博机电制造有限公司 | Argon arc welding clamp for stator core |
| CN201940776U (en) * | 2010-11-01 | 2011-08-24 | 宁波添也汽车部件有限公司 | Welding fixture for suspension bracket of automobile engine |
| CN202336690U (en) * | 2011-11-04 | 2012-07-18 | 中联重科股份有限公司 | Cylinder part locating device |
| CN202356786U (en) * | 2011-11-24 | 2012-08-01 | 安徽华东光电技术研究所 | Electric resistance welding clamp for thin-wall cup-shaped piece of travelling wave tube |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803605A (en) * | 2017-09-28 | 2018-03-16 | 中国航发动力股份有限公司 | A kind of weld jig of multilayer thin-wall annular part laser circumference seam weld |
| CN107803605B (en) * | 2017-09-28 | 2021-02-12 | 中国航发动力股份有限公司 | Welding jig of multilayer thin wall annular member laser circumference seam welding |
| CN111299829A (en) * | 2019-11-13 | 2020-06-19 | 天津商科数控技术股份有限公司 | Laser lap welding method for nut and metal plate |
| CN114438488A (en) * | 2021-12-22 | 2022-05-06 | 国营芜湖机械厂 | Additive anti-deformation cooperative repair method for aircraft generator housing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104588890B (en) | 2019-02-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160620 Address after: 325207 Zhejiang province Ruian City Feiyun Town Feiyun District People Road No. 700 Building 5 layer 1 Applicant after: ZHEJIANG JIUXUAN OPTOELECTRONICS TECHNOLOGY CO.,LTD. Address before: 325207 Zhejiang city of Wenzhou province Ruian City Feiyun District Jiangnan 5 standard factory building 1 layer (south middle) Applicant before: RUIAN LASER APPLICATION ENGINEERING DEMONSTRATIONCENTER Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A fixture for surfacing welding on the outer surface of thin-walled annular workpiece Effective date of registration: 20220621 Granted publication date: 20190205 Pledgee: Zhejiang Ruian Rural Commercial Bank Co.,Ltd. Plaza Science and Technology Branch Pledgor: ZHEJIANG JIUXUAN OPTOELECTRONICS TECHNOLOGY CO.,LTD. Registration number: Y2022500000031 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230713 Granted publication date: 20190205 Pledgee: Zhejiang Ruian Rural Commercial Bank Co.,Ltd. Plaza Science and Technology Branch Pledgor: ZHEJIANG JIUXUAN OPTOELECTRONICS TECHNOLOGY CO.,LTD. Registration number: Y2022500000031 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A fixture for surfacing welding the outer surface of thin-walled circular workpieces Effective date of registration: 20230818 Granted publication date: 20190205 Pledgee: Zhejiang Ruian Rural Commercial Bank Co.,Ltd. Plaza Science and Technology Branch Pledgor: ZHEJIANG JIUXUAN OPTOELECTRONICS TECHNOLOGY CO.,LTD. Registration number: Y2023980052790 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |