CN203509095U - Annular thin-wall pipe fitting centering and tensioning mechanism - Google Patents
Annular thin-wall pipe fitting centering and tensioning mechanism Download PDFInfo
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- CN203509095U CN203509095U CN201320628436.6U CN201320628436U CN203509095U CN 203509095 U CN203509095 U CN 203509095U CN 201320628436 U CN201320628436 U CN 201320628436U CN 203509095 U CN203509095 U CN 203509095U
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- pipe fitting
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Abstract
The utility model provides an annular thin-wall pipe fitting centering and tensioning mechanism, belongs to the technical field of electric spark micro-hole machining, and particularly relates to an annular thin-wall pipe fitting centering and tensioning mechanism which is used for centering and tensioning annual thin-wall pipe fittings during electric spark micro-hole machining. According to the annular thin-wall pipe fitting centering and tensioning mechanism, a mandrel is fixedly connected to the position of the center of a base, the mandrel is sleeved with a wedge block, the mandrel and the wedge block are in clearance fit, the wedge block is of a cone structure, and a locking nut is installed on the mandrel; positioning rings are fixedly installed at the positions, located on the outer side of the mandrel, of the base, and a plurality of tensioning positioning blocks are evenly arranged between the wedge block and the positioning rings; supports are located between the tensioning positioning blocks and the base, the tensioning positioning blocks are in sliding fit with the base through sliding grooves on the supports, and the sliding grooves are arranged in the radial direction of the mandrel; the mandrel ends of the tensioning positioning blocks are matched with the wedge block in a sliding contact mode; open grooves are formed in the tensioning positioning blocks, cover plates are arranged on the open grooves, and the tensioning positioning blocks are in sliding fit with the cover plates; and stop pins are arranged in the open grooves, and reset springs are arranged between the stop pins and the tensioning positioning blocks.
Description
Technical field
The utility model belongs to electric spark capillary processing technical field, particularly relate to a kind of when spark machined micropore the annular thin wall pipe fitting centering tension mechanism for the tensioner annular thin-wall pipe of feeling relieved.
Background technology
In order to obtain good fuel atomization effect, the afterburning oil supply system of engine is all multichannel fuel feeding, spray site on house steward is all the some more of design as far as possible, makes fuel oil all more even in the distribution of whole after-burner, thereby improves the efficiency of combustion of after-burner.Aero-engine injection loop is the ring main part being formed by thin-wall pipe bending, on house steward's tube wall, need to process a plurality of nozzle openings, fuel oil is got to oil baffle after nozzle opening ejection, evaporate atomization, by improving roughness and the positional precision of nozzle opening, can make house steward's fuel distribution even, improve the efficiency of after-burner, also can extend the service life of injection loop.
Because injection loop is thin-walled elastic component, diameter dimension tolerance is large, and after integrally bending and welding, deflection is large, ovality and flatness are wayward, cause in spark machined nozzle opening process, house steward cannot accurately install location, and this has brought very large difficulty to processing.Electric spark-erosion perforation after nozzle opening processing at present adopts and manually rules, be affected by human factors larger, cause position degree, the perpendicularity of the nozzle opening after processing to guarantee, thereby affect accuracy and the oil spout uniformity of oil spout direction, so that time need to repeatedly repair hole in subsequent flows to test, workman's labour intensity is high.
Utility model content
The problem existing for prior art, the utility model provides a kind of annular thin wall pipe fitting centering tension mechanism, when annular thin wall pipe fitting need to punch, no longer need artificial line and centering, before spark machined micropore, can locate fast and tensioner annular thin-wall pipe, in processing micropore process, annular thin wall pipe fitting deflection is little, drilling precision is high, and the micropore high conformity of beating is compared with Traditional Man line punching, can reduce workman's labour intensity, improve greatly the qualification rate of perforating efficiency and product.
To achieve these goals, the utility model adopts following technical scheme: a kind of annular thin wall pipe fitting centering tension mechanism, comprise base, bearing, tensioner locating piece, voussoir, axle, cover plate, locating ring, locking nut and back-moving spring, in the center of described base, be connected with one end of axle, in axle, be set with voussoir, axle and voussoir adopt matched in clearance, and voussoir is set to cone structure, at the other end of axle, locking nut are installed; On the base in described axle outside, be fixed with locating ring, between voussoir and locating ring, be evenly provided with some tensioner locating pieces, between adjacent tensioner locating piece, leave gap; Described bearing, between tensioner locating piece and base, and is installed on base, is provided with chute on bearing, and tensioner locating piece coordinates with bearing sliding by the chute on bearing, and chute radially arranges along axle; The axle end of described tensioner locating piece contacts cooperation with wedge slides; At described tensioner locating piece, along being provided with open slot on axle center line radially, be provided with cover plate above open slot, cover plate is packed on bearing, and tensioner locating piece and cover plate are slidably matched; In open slot, be provided with backing pin, backing pin is fixed on bearing, between backing pin and tensioner locating piece, is provided with back-moving spring.
Described voussoir is set to conical structure, and the tapering of voussoir is 10 °～80 °.
On described tensioner locating piece, pressing plate is installed.
Described locating ring is set to cirque structure, and locating ring arranges with axle is concentric.
Described tensioner locating piece is set to sector structure, and the axle end of tensioner locating piece is set to cone globoidal structure.
Gap between described adjacent tensioner locating piece is greater than 5mm.
Between described axle and voussoir, adopting tolerance is the matched in clearance of H7/g6.
Described tensioner locating piece is H7/f7 by the fit tolerance of chute and bearing, and the fit tolerance of tensioner locating piece and cover plate is H7/f7.
The beneficial effects of the utility model:
The utility model compared with prior art, in the time of need to carrying out electric spark-erosion perforation to annular thin wall pipe fitting, no longer needs artificial line and centering, before spark machined micropore, can locate fast and tensioner annular thin-wall pipe, and positioning precision is high, in processing micropore process, annular thin wall pipe fitting deflection is little, drilling precision is high, can be good at guaranteeing position degree and the perpendicularity of micropore, the micropore high conformity of beating, the later stage correction that has reduced micropore, has reduced workman's labour intensity; Compare with Traditional Man line punching, improved greatly the qualification rate of perforating efficiency and product.
Accompanying drawing explanation
Fig. 1 is a kind of annular thin wall pipe fitting centering tension mechanism structural representation of the present utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is seat structure schematic diagram of the present utility model;
Fig. 4 is the structural representation of the utility model centering tensioner part to be processed;
In figure, 1-base, 2-bearing, 3-tensioner locating piece, 4-voussoir, 5-axle, 6-cover plate, 7-backing pin, 8-locating ring, 9-pressing plate, 10-locking nut, 11-packing ring, 12-bolt, 13-back-moving spring, 14-part to be processed, 15-chute, 16-open slot.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, 2, 3, a kind of annular thin wall pipe fitting centering tension mechanism, comprise base 1, bearing 2, tensioner locating piece 3, voussoir 4, axle 5, cover plate 6, locating ring 8, locking nut 10 and back-moving spring 13, described base 1 is set to disc, in the center of base 1, be connected with one end of axle 5, be set with voussoir 4 in axle 5, axle 5 adopts matched in clearance with voussoir 4, voussoir 4 is set to cone structure, at the other end of axle 5, locking nut 10 is installed; On the base 1 in described axle 5 outsides, be fixed with locating ring 8, between voussoir 4 and locating ring 8, be evenly provided with 8 tensioner locating pieces 3, between adjacent tensioner locating piece 3, leave gap; Described bearing 2, between tensioner locating piece 3 and base 1, and is installed on base 1, is provided with chute 15 on bearing 2, and tensioner locating piece 3 is slidably matched with bearing 2 by the chute 15 on bearing 2, and chute 15 radially arranges along axle 5; The axle end of described tensioner locating piece 3 coordinates with voussoir 4 sliding-contacts; At described tensioner locating piece 3, along being provided with open slot 16 on axle 5 center line radially, be provided with cover plate 6 above open slot 16, cover plate 6 is packed on bearing 2, and tensioner locating piece 3 is slidably matched with cover plate 6; In open slot 16, be provided with backing pin 7, backing pin 7 is fixed on bearing 2, between backing pin 7 and tensioner locating piece 3, is provided with back-moving spring 13.
Described voussoir 4 is set to conical structure, and the tapering of voussoir 4 is 15 °.
On described tensioner locating piece 3, pressing plate 9 is installed.
Described tensioner locating piece 3 is set to sector structure, and the axle end of tensioner locating piece is set to cone globoidal structure.
Described locating ring 8 is set to cirque structure, and locating ring 8 and the concentric setting of axle 5.
Between described axle 5 and voussoir 4, adopting tolerance is the matched in clearance of H7/g6.
Gap between described adjacent tensioner locating piece 3 is 10mm.
Described tensioner locating piece 3 is H7/f7 by chute 15 with the fit tolerance of bearing 2, and tensioner locating piece 3 is H7/f7 with the fit tolerance of cover plate 6.
Below in conjunction with accompanying drawing, a use procedure of the present utility model is described:
In the present embodiment, punch device is numerically controlled discharge machine, and part to be processed 14 is injection loop, and on it, the quantity of nozzle opening is 24.
Before punching, first centering tension mechanism of the present utility model is installed on the workbench of numerically controlled discharge machine, make the central axes of the central axis of axle 5 and the workbench of numerically controlled discharge machine, make the lower surface of base 1 and the table top of workbench fit tightly, position degree and the perpendicularity requirement of part to be processed 14 when guaranteeing to punch.Now rotate backward locking nut 10, continuous rotation along with locking nut 10, tensioner locating piece 3 is under back-moving spring 13 effects simultaneously, can be along axle radially at the uniform velocity near axle 5, and then voussoir 4 is moved upward with locking nut 10, the locking nut 10 that stops operating, tensioner locating piece 3 now has moved inward certain distance, makes the outer end of tensioner locating piece 3 to the distance at axle 5 centers, be less than the inner ring radius of part to be processed 14.Part to be processed 14 is installed, part to be processed 14 is placed to locating ring 8 upper surfaces, forward screws locking nut 10, by the effect that screws of locking nut 10, drive voussoir 4 to move downward, and then drive tensioner locating piece 3 radially at the uniform velocity away from axle 5, outwards to move along axle, until the outer end of tensioner locating piece 3 contacts with the inner ring of part to be processed 14, tentatively complete the centering tensioner work of part to be processed 14.Pressing plate 9 is installed, first by bolt 12, pressing plate 9 is installed on tensioner locating piece 3, between bolt 12 and pressing plate 9, also add packing ring 11, loosening in punching process in order to prevent bolt 12, before bolt 12 is locked, one end of pressing plate 9 is moved on on part to be processed 14, simultaneously clamping screw 12, and then by pressing plate 9, part to be processed 14 is pressed on locating ring 8, as shown in Figure 4 firmly.
The centering tensioner work of part to be processed 14 all completes, next start to carry out electric spark-erosion perforation operation, before punching, first on numerically controlled discharge machine, the coordinate of nozzle opening and aperture data are programmed, then by the program after programming, carry out the processing of nozzle opening, until 24 nozzle openings all machine, first unclamp bolt 12, pressing plate 9 is removed from the upper surface of part to be processed 14, then rotate backward locking nut 10, voussoir 4 moves upward with locking nut 10, tensioner locating piece 3 is under back-moving spring 13 effects, along the radially at the uniform velocity close axle 5 of axle, when the outer end of tensioner locating piece 3 separated with part to be processed 14 inner rings, locking nut 10 can stop operating, now just part to be processed 14 can be taken off, the punching work of part to be processed 14 completes.
Claims (8)
1. annular thin wall pipe fitting centering tension mechanism, it is characterized in that: comprise base, bearing, tensioner locating piece, voussoir, axle, cover plate, locating ring, locking nut and back-moving spring, in the center of described base, be connected with one end of axle, in axle, be set with voussoir, axle and voussoir adopt matched in clearance, voussoir is set to cone structure, at the other end of axle, locking nut is installed; On the base in described axle outside, be fixed with locating ring, between voussoir and locating ring, be evenly provided with some tensioner locating pieces, between adjacent tensioner locating piece, leave gap; Described bearing, between tensioner locating piece and base, and is installed on base, is provided with chute on bearing, and tensioner locating piece coordinates with bearing sliding by the chute on bearing, and chute radially arranges along axle; The axle end of described tensioner locating piece contacts cooperation with wedge slides; At described tensioner locating piece, along being provided with open slot on axle center line radially, be provided with cover plate above open slot, cover plate is packed on bearing, and tensioner locating piece and cover plate are slidably matched; In open slot, be provided with backing pin, backing pin is fixed on bearing, between backing pin and tensioner locating piece, is provided with back-moving spring.
2. a kind of annular thin wall pipe fitting centering tension mechanism according to claim 1, is characterized in that: described voussoir is set to conical structure, and the tapering of voussoir is 10 °～80 °.
3. a kind of annular thin wall pipe fitting centering tension mechanism according to claim 1, is characterized in that: on described tensioner locating piece, pressing plate is installed.
4. a kind of annular thin wall pipe fitting centering tension mechanism according to claim 1, it is characterized in that: described locating ring is set to cirque structure, and locating ring arranges with axle is concentric.
5. a kind of annular thin wall pipe fitting centering tension mechanism according to claim 1, is characterized in that: described tensioner locating piece is set to sector structure, and the axle end of tensioner locating piece is set to cone globoidal structure.
6. a kind of annular thin wall pipe fitting centering tension mechanism according to claim 1, is characterized in that: the gap between described adjacent tensioner locating piece is greater than 5mm.
7. a kind of annular thin wall pipe fitting centering tension mechanism according to claim 1, is characterized in that: between described axle and voussoir, adopting tolerance is the matched in clearance of H7/g6.
8. a kind of annular thin wall pipe fitting centering tension mechanism according to claim 1, is characterized in that: described tensioner locating piece is H7/f7 by the fit tolerance of chute and bearing, and the fit tolerance of tensioner locating piece and cover plate is H7/f7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320628436.6U CN203509095U (en) | 2013-10-10 | 2013-10-10 | Annular thin-wall pipe fitting centering and tensioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320628436.6U CN203509095U (en) | 2013-10-10 | 2013-10-10 | Annular thin-wall pipe fitting centering and tensioning mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN203509095U true CN203509095U (en) | 2014-04-02 |
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| CN201320628436.6U Expired - Fee Related CN203509095U (en) | 2013-10-10 | 2013-10-10 | Annular thin-wall pipe fitting centering and tensioning mechanism |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104174769A (en) * | 2014-07-17 | 2014-12-03 | 安徽和翔机械科技有限公司 | Special punch press mold base for annular workpieces |
| CN104589099A (en) * | 2014-12-03 | 2015-05-06 | 武汉船用机械有限责任公司 | Tool for vertical lathe machining of ring-cone-shaped thin-walled part and application thereof |
| CN105108527A (en) * | 2015-09-01 | 2015-12-02 | 武汉船用机械有限责任公司 | Horizontal boring and milling tool for crank pin disc and using method thereof |
| CN105252326A (en) * | 2015-11-12 | 2016-01-20 | 中国南方航空工业(集团)有限公司 | Positioning support device |
| CN107214586A (en) * | 2017-07-26 | 2017-09-29 | 伍振铭 | A kind of annular handware sanding and polishing device |
| CN107378140A (en) * | 2017-08-04 | 2017-11-24 | 益阳康益机械发展有限公司 | A kind of three-dimensional multi-functional beveler high-precision positioning fixture |
| CN108031880A (en) * | 2017-11-01 | 2018-05-15 | 厦工(三明)重型机器有限公司 | A kind of inclined wedge internal expansion type centring means and spotting device |
| CN108296506A (en) * | 2018-04-28 | 2018-07-20 | 重庆鼎汉机械有限公司 | Positioning device for part processing |
| CN108311721A (en) * | 2018-04-04 | 2018-07-24 | 无锡威孚精密机械制造有限责任公司 | Manual tension mechanism |
| CN108972088A (en) * | 2018-09-27 | 2018-12-11 | 马鞍山常裕机械设备有限公司 | A kind of thin-walled motor shell milling fixture convenient for mounting and clamping |
| CN109604380A (en) * | 2018-11-23 | 2019-04-12 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of process unit for thin-walled twin-layer structure thermal recalibration |
| CN109909912A (en) * | 2019-03-20 | 2019-06-21 | 哈尔滨汽轮机厂有限责任公司 | A kind of thin-wall part processing tensioner mould |
| CN110186362A (en) * | 2019-06-26 | 2019-08-30 | 长春理工大学 | A kind of inner eccentric holes measuring device |
| CN110270701A (en) * | 2019-06-26 | 2019-09-24 | 郭五连 | A kind of numerical control CNC machining center internal-expansion type tooling |
| CN110695732A (en) * | 2019-10-29 | 2020-01-17 | 西京学院 | Automatic centering clamp for large annular thin-wall part |
| CN111331166A (en) * | 2020-02-26 | 2020-06-26 | 上海交通大学 | Centering device for pipe fittings |
| CN111922537A (en) * | 2020-10-19 | 2020-11-13 | 中国航发沈阳黎明航空发动机有限责任公司 | Machining method of thin-wall rotary heat insulation device |
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| CN115369919A (en) * | 2022-09-13 | 2022-11-22 | 安徽水利开发有限公司 | Inspection well body reinforcing system and construction method |
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2013
- 2013-10-10 CN CN201320628436.6U patent/CN203509095U/en not_active Expired - Fee Related
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174769A (en) * | 2014-07-17 | 2014-12-03 | 安徽和翔机械科技有限公司 | Special punch press mold base for annular workpieces |
| CN104589099A (en) * | 2014-12-03 | 2015-05-06 | 武汉船用机械有限责任公司 | Tool for vertical lathe machining of ring-cone-shaped thin-walled part and application thereof |
| CN105108527A (en) * | 2015-09-01 | 2015-12-02 | 武汉船用机械有限责任公司 | Horizontal boring and milling tool for crank pin disc and using method thereof |
| CN105252326A (en) * | 2015-11-12 | 2016-01-20 | 中国南方航空工业(集团)有限公司 | Positioning support device |
| CN105252326B (en) * | 2015-11-12 | 2018-08-07 | 中国南方航空工业(集团)有限公司 | Position tightening device |
| CN107214586A (en) * | 2017-07-26 | 2017-09-29 | 伍振铭 | A kind of annular handware sanding and polishing device |
| CN107378140A (en) * | 2017-08-04 | 2017-11-24 | 益阳康益机械发展有限公司 | A kind of three-dimensional multi-functional beveler high-precision positioning fixture |
| CN108031880A (en) * | 2017-11-01 | 2018-05-15 | 厦工(三明)重型机器有限公司 | A kind of inclined wedge internal expansion type centring means and spotting device |
| CN108311721A (en) * | 2018-04-04 | 2018-07-24 | 无锡威孚精密机械制造有限责任公司 | Manual tension mechanism |
| CN108296506A (en) * | 2018-04-28 | 2018-07-20 | 重庆鼎汉机械有限公司 | Positioning device for part processing |
| CN108972088A (en) * | 2018-09-27 | 2018-12-11 | 马鞍山常裕机械设备有限公司 | A kind of thin-walled motor shell milling fixture convenient for mounting and clamping |
| CN109604380A (en) * | 2018-11-23 | 2019-04-12 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of process unit for thin-walled twin-layer structure thermal recalibration |
| CN109909912A (en) * | 2019-03-20 | 2019-06-21 | 哈尔滨汽轮机厂有限责任公司 | A kind of thin-wall part processing tensioner mould |
| CN110186362A (en) * | 2019-06-26 | 2019-08-30 | 长春理工大学 | A kind of inner eccentric holes measuring device |
| CN110270701A (en) * | 2019-06-26 | 2019-09-24 | 郭五连 | A kind of numerical control CNC machining center internal-expansion type tooling |
| CN110186362B (en) * | 2019-06-26 | 2021-09-24 | 长春理工大学 | Inner hole eccentricity measuring device |
| CN110695732A (en) * | 2019-10-29 | 2020-01-17 | 西京学院 | Automatic centering clamp for large annular thin-wall part |
| CN111331166A (en) * | 2020-02-26 | 2020-06-26 | 上海交通大学 | Centering device for pipe fittings |
| CN111922537A (en) * | 2020-10-19 | 2020-11-13 | 中国航发沈阳黎明航空发动机有限责任公司 | Machining method of thin-wall rotary heat insulation device |
| CN112894029A (en) * | 2020-12-10 | 2021-06-04 | 机械科学研究总院青岛分院有限公司 | RV reduction gear machining is with location frock |
| CN112894040A (en) * | 2021-01-26 | 2021-06-04 | 中国航发贵州黎阳航空动力有限公司 | Annular profile air film hole machining method |
| CN112894040B (en) * | 2021-01-26 | 2023-02-28 | 中国航发贵州黎阳航空动力有限公司 | Annular profile air film hole machining method |
| CN114043404A (en) * | 2021-11-19 | 2022-02-15 | 北京星航机电装备有限公司 | Self-centering serial rapid assembly fixture for rotary cabin parts |
| CN115369919A (en) * | 2022-09-13 | 2022-11-22 | 安徽水利开发有限公司 | Inspection well body reinforcing system and construction method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20171010 |
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| CF01 | Termination of patent right due to non-payment of annual fee |