CN104289940A - Fixture special for machining of end face of special bend - Google Patents
Fixture special for machining of end face of special bend Download PDFInfo
- Publication number
- CN104289940A CN104289940A CN201410564445.2A CN201410564445A CN104289940A CN 104289940 A CN104289940 A CN 104289940A CN 201410564445 A CN201410564445 A CN 201410564445A CN 104289940 A CN104289940 A CN 104289940A
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- China
- Prior art keywords
- bearing
- hinge
- pressing plate
- fixed
- special
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention relates to a fixture special for machining of an end face of a special bend. The fixture is mainly used for clamping the bend during machining of the end face of the special bend. The fixture comprises a bottom plate, a first support, a second support, a third support, a first compressing device, a second compressing device and a positioning device. The first support, the second support and the third support are all fixed on the bottom plate. The first compressing device is fixed over the first support and the second support. The second compressing device is fixed over the second support and the third support. The compressing devices are perpendicular to each other. When the fixture is in service, an orifice end of a square bend is fixed in a cavity formed by the first support, the second support and the first compressing device, and an orifice end of a round bend is fixed in a cavity formed by the second support, the third support and the second compressing device; bend clamping in the process of end face machining for special bends is achieved. The fixture is simple in structure and convenient to operate; clamping of the special bends is achieved; end face machining efficiency is improved.
Description
Technical field
The present invention relates to the special bend pipe end face special fixture of a kind of processing, be mainly used in carrying out clamping to bend pipe in special bend pipe end face process.
Background technology
In daily productive life, pipeline and we are closely bound up, the junction of pipeline is most important undoubtedly, if pipeline end face out-of-flatness, then can leave gap in the junction of pipeline, cause leakage, no matter be leak of liquid or Leakage Gas, serious threat is caused to the personal safety as well as the property safety of people in capital, visible, and the processing for pipeline end face can not be ignored.Traditional crooked pipeline shape is comparatively simple, even if having several bending, each adjacent bend pipe plane is also in same space, now can make according to the shape facility in each knee of bend pipe the mould that two have respective shapes die cavity, bend pipe is placed in die cavity, two moulds are fixed to one another, by bend pipe success clamping, thus the processing to bend pipe end face can be realized.
But according to the needs of productive life, the special bend pipe of one as shown in Figure 6, two bend pipe mouth place planes are mutually vertical, and one end is square, the other end is rounded, and bend pipe is distorted shape, and each plane of bending of this bend pipe is all in different spaces from adjacent flex plane, be difficult to by traditional mode clamping, thus bring difficulty to the processing of bend pipe end face.
Summary of the invention
Technical problem to be solved by this invention is: be above-mentionedly difficult to its clamping to be fixed for special bend pipe to overcome, thus bring the defect of difficulty to processing bend pipe end face, there is provided a kind of processing special bend pipe end face special fixture, effectively can live special bend pipe by clamping, thus realize end face processing.
The technical solution adopted for the present invention to solve the technical problems is: the special bend pipe end face special fixture of a kind of processing, mainly comprise base plate, bearing one, bearing two, bearing three, hold down gag one, hold down gag two and positioner, described bearing one, bearing two, bearing three are all fixed on base plate, described hold down gag one is fixed on the top of bearing one and bearing two, described hold down gag two is fixed on the top of bearing three and bearing two, described two hold down gag vertical distribution.
Square elbow mouth end is lived in order to make the effective clamping of hold down gag one, described hold down gag one comprises hinge pressing plate one, horizontal pressure foot, hinge seat one, hinge bolt one and hinge bolt two, the middle part of described hinge pressing plate one offers kidney slot one, described horizontal pressure foot is connected by alignment pin with kidney slot one, horizontal pressure foot bottom symmetrical is provided with two compact heaps, the upper end of described hinge bolt one and one end of hinge pressing plate one hinged, lower end is fixedly connected with bearing one, the lower end of described hinge seat one is fixedly connected with bearing two, one end of upper end and hinge bolt two is hinged, the other end of described hinge bolt two is fixedly connected with hinge pressing plate one.
Circular winding pipe mouth end is lived in order to make the effective clamping of hold down gag two, described hold down gag two comprises hinge pressing plate two, V-type pressing plate, hinge seat two, hinge bolt three and hinge bolt four, the middle part of described hinge pressing plate two offers kidney slot two, described V-type pressing plate is connected by alignment pin with kidney slot two, the upper end of described hinge bolt three and one end of hinge pressing plate two hinged, lower end is fixedly connected with bearing three, the lower end of described hinge seat two is fixedly connected with bearing two, one end of upper end and hinge bolt four is hinged, the other end of described hinge bolt four is fixedly connected with hinge pressing plate two.
Can accurately locate while ensureing clamping special bend pipe two nose end, described positioner comprises a pair fixed bearing, a pair v-shaped bearing, spacing supporting and postive stop baffle, described fixed bearing and postive stop baffle are all fixed on base plate, and symmetry is in immediately below hinge pressing plate one, described spacing supporting and fixing is on the side of bearing two, described v-shaped bearing symmetry is fixed on bearing two with on the inclined-plane of bearing three, and the axes normal of v-shaped bearing is in inclined-plane.
The invention has the beneficial effects as follows: the one of the present invention's design processes special bend pipe end face special fixture, square elbow mouth end is fixedly mounted in the cavity formed by bearing one, bearing two and hold down gag one, circular winding pipe mouth end is fixedly mounted in the cavity formed by bearing two, bearing three and hold down gag two, achieve the clamping effect to bend pipe in leak detection process of special bend pipe, clamp structure is simple, easy to operate, while achieving the special bend pipe of clamping, improve working (machining) efficiency.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is a kind of axonometric drawing processed when special bend pipe end face special fixture works of the present invention;
Fig. 2 is another view stereo structural representation of the present invention;
Fig. 3 is the front view of Fig. 1;
Fig. 4 is the left view of Fig. 1;
Fig. 5 is horizontal pressure foot structural representation;
Fig. 6 is a kind of special bend pipe structure schematic diagram;
Fig. 7 is another viewing angle constructions schematic diagram of Fig. 6.
In figure: 1, base plate, 2, bearing one, 3, bearing two, 4, bearing three, 5, compact heap, 6, fixed bearing, 7, v-shaped bearing, 8, spacing supporting, 9, postive stop baffle, 10, hinge pressing plate one, 11, horizontal pressure foot, 12, hinge seat one, 13, hinge bolt one, 14, hinge bolt two, 20, hinge pressing plate two, 21, V-type pressing plate, 22, hinge seat two, 23, hinge bolt three, 24, hinge bolt four, a, kidney slot one, b, kidney slot two, c, square elbow mouth, d, circular winding pipe mouth.
Detailed description of the invention
The present invention is described in detail by reference to the accompanying drawings now.This figure is the schematic diagram simplified, and only basic structure of the present invention is described in a schematic way, therefore it only shows the formation relevant with the present invention.
As Figure 1-5, the invention provides the special bend pipe end face special fixture of a kind of processing, mainly comprise base plate 1, bearing 1, bearing 23, bearing 34, hold down gag one, hold down gag two and positioner, it is characterized in that: described bearing 1, bearing 23, bearing 34 are all fixed on base plate 1, described hold down gag one is fixed on the top of bearing 1 and bearing 23, described hold down gag two is fixed on the top of bearing 34 and bearing 23, described two hold down gag vertical distribution.
As Fig. 1, shown in Fig. 3 and Fig. 7, live in square elbow mouth c to make the effective clamping of hold down gag one to hold, described hold down gag one comprises hinge pressing plate 1, horizontal pressure foot 11, hinge seat 1, hinge bolt 1 and hinge bolt 2 14, the middle part of described hinge pressing plate 1 offers kidney slot one a, described horizontal pressure foot 11 is connected by alignment pin with kidney slot one a, horizontal pressure foot 11 bottom symmetrical is provided with two compact heaps 5, the upper end of described hinge bolt 1 and one end of hinge pressing plate 1 hinged, lower end is fixedly connected with bearing 1, the lower end of described hinge seat 1 is fixedly connected with bearing 23, one end of upper end and hinge bolt 2 14 is hinged, the other end of described hinge bolt 2 14 is fixedly connected with hinge pressing plate 1.
As Fig. 1, shown in Fig. 4 and Fig. 7, live in circular winding pipe mouth d to make the effective clamping of hold down gag two to hold, described hold down gag two comprises hinge pressing plate 2 20, V-type pressing plate 21, hinge seat 2 22, hinge bolt 3 23 and hinge bolt 4 24, the middle part of described hinge pressing plate 2 20 offers kidney slot two b, described V-type pressing plate 21 is connected by alignment pin with kidney slot two b, the upper end of described hinge bolt 3 23 and one end of hinge pressing plate 2 22 hinged, lower end is fixedly connected with bearing 34, the lower end of described hinge seat 2 22 is fixedly connected with bearing 23, one end of upper end and hinge bolt 4 24 is hinged, the other end of described hinge bolt 4 24 is fixedly connected with hinge pressing plate 2 20.
As Figure 1-5, can accurately locate while ensureing clamping special bend pipe two nose end, described positioner comprises a pair fixed bearing (6), a pair v-shaped bearing (7), spacing supporting (8) and postive stop baffle (9), described fixed bearing (6) and postive stop baffle (9) are all fixed on base plate (1), and symmetry is in immediately below hinge pressing plate one (10), described spacing supporting (8) is fixed on the side of bearing two (3), described v-shaped bearing (7) symmetry is fixed on bearing 23 with on the inclined-plane of bearing three (4), and the axes normal of v-shaped bearing (7) is in inclined-plane.
Below in conjunction with Fig. 1-5, a kind of clamping process of processing special bend pipe end face special fixture provided by the present invention is described: Baltimore groove square elbow mouth c being placed in bearing 1 and bearing 23 formation, the bottom surface of square elbow mouth c is kept to contact with a pair fixed bearing 6, regulate the bolt on bearing 1 side, compress square calibre c until contact the spacing supporting 8 arranged on bearing 23 side, now tighten the hinge bolt 14 of hinge pressing plate 1 one end, in rundown process, hinge pressing plate 1 drives with it with the horizontal pressure foot 11 that alignment pin connects, thus make a pair compact heap 5 on horizontal pressure foot 11 lower surface compress the end face of square elbow mouth c, now, a pair fixed bearing 6 pressurized, compress the bottom surface of square elbow mouth c, so far, four limits of square elbow mouth c are all fixed, thus square elbow mouth c is fixed clamping.Especially, when the power being applied to square elbow mouth c is excessive, the bottom surface of square elbow mouth c can touch postive stop baffle 9, thus protects spacing supporting 8.
Similarly, circular winding pipe mouth d is placed in the Baltimore groove of bearing 23 and bearing 34 formation, now, be in bearing 23 to contact with the periphery of a pair v-shaped bearing 7 on bearing 34 with circular winding pipe mouth d, tighten the hinge bolt 24 of hinge pressing plate 2 20 one end, in rundown process, hinge pressing plate 2 20 drives with it with the V-type pressing plate 21 that alignment pin connects, thus make V-type pressing plate 21 always can be tangent and compress the periphery of circular winding pipe mouth d, the stressed extruding periphery of v-shaped bearing 7, thus circular winding pipe mouth d is fixed clamping.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff not departing from scope of the present invention, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must determine its technical scope according to right.
Claims (4)
1. the special bend pipe end face special fixture of processing, mainly comprise base plate (1), bearing one (2), bearing two (3), bearing three (4), hold down gag one, hold down gag two and positioner, it is characterized in that: described bearing one (2), bearing two (3), bearing three (4) is all fixed on base plate (1), described hold down gag one is fixed on the top of bearing one (2) and bearing two (3), described hold down gag two is fixed on the top of bearing three (4) and bearing two (3), described two hold down gag vertical distribution.
2. the special bend pipe end face special fixture of a kind of processing as claimed in claim 1, it is characterized in that: described hold down gag one comprises hinge pressing plate one (10), horizontal pressure foot (11), hinge seat one (12), hinge bolt one (13) and hinge bolt two (14), the middle part of described hinge pressing plate one (10) offers kidney slot one (a), described horizontal pressure foot (11) is connected by alignment pin with kidney slot one (a), horizontal pressure foot (11) bottom symmetrical is provided with two compact heaps (5), the upper end of described hinge bolt one (13) and one end of hinge pressing plate one (10) hinged, lower end is fixedly connected with bearing one (2), the lower end of described hinge seat one (12) is fixedly connected with bearing two (3), one end of upper end and hinge bolt two (14) is hinged, the other end of described hinge bolt two (14) is fixedly connected with hinge pressing plate one (10).
3. the special bend pipe end face special fixture of a kind of processing as claimed in claim 1, it is characterized in that: described hold down gag two comprises hinge pressing plate two (20), V-type pressing plate (21), hinge seat two (22), hinge bolt three (23) and hinge bolt four (24), the middle part of described hinge pressing plate two (20) offers kidney slot two (b), described V-type pressing plate (21) is connected by alignment pin with kidney slot two (b), the upper end of described hinge bolt three (23) and one end of hinge pressing plate two (22) hinged, lower end is fixedly connected with bearing three (4), the lower end of described hinge seat two (22) is fixedly connected with bearing two (3), one end of upper end and hinge bolt four (24) is hinged, the other end of described hinge bolt four (24) is fixedly connected with hinge pressing plate two (20).
4. the special bend pipe end face special fixture of a kind of processing as claimed in claim 1, it is characterized in that: described positioner comprises a pair fixed bearing (6), a pair v-shaped bearing (7), spacing supporting (8) and postive stop baffle (9), described fixed bearing (6) and postive stop baffle (9) are all fixed on base plate (1), and symmetry is in immediately below hinge pressing plate one (10), described spacing supporting (8) is fixed on the side of bearing two (3), described v-shaped bearing (7) symmetry is fixed on bearing 23 with on the inclined-plane of bearing three (4), and the axes normal of v-shaped bearing (7) is in inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410564445.2A CN104289940B (en) | 2014-10-21 | 2014-10-21 | A kind of processing bend pipe end face special fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410564445.2A CN104289940B (en) | 2014-10-21 | 2014-10-21 | A kind of processing bend pipe end face special fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104289940A true CN104289940A (en) | 2015-01-21 |
| CN104289940B CN104289940B (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410564445.2A Active CN104289940B (en) | 2014-10-21 | 2014-10-21 | A kind of processing bend pipe end face special fixture |
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| Country | Link |
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| CN (1) | CN104289940B (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105500236A (en) * | 2015-12-16 | 2016-04-20 | 无锡市永亿精密铸造有限公司 | Precision casting processing jig |
| CN105921792A (en) * | 2016-07-06 | 2016-09-07 | 哈尔滨理工大学 | Drill jig used for rear axle shell machining |
| CN106624852A (en) * | 2016-11-15 | 2017-05-10 | 北京动力机械研究所 | Clamping device of pipe joints casting |
| CN106891252A (en) * | 2017-03-22 | 2017-06-27 | 长春理工大学 | A kind of fixture of solid-liquid two-phase flow polishing different curvature parts like bent pipes |
| CN107322027A (en) * | 2017-07-14 | 2017-11-07 | 重庆江增船舶重工有限公司 | The processing method and its boring or milling tool of turbo-charger gas inlet housing |
| CN107335872A (en) * | 2017-06-30 | 2017-11-10 | 中国航空工业标准件制造有限责任公司 | The preparation method of screw thread pilot angle |
| CN107498334A (en) * | 2017-08-31 | 2017-12-22 | 安徽信息工程学院 | The fixture of transfer tube |
| CN107639437A (en) * | 2017-10-20 | 2018-01-30 | 河南太行精铸制造有限公司 | A kind of irregular workpiece processing frock |
| CN109773519A (en) * | 2019-02-09 | 2019-05-21 | 沈阳富创精密设备有限公司 | A kind of mo(u)lded piece supporting tool |
| CN111376084A (en) * | 2020-03-23 | 2020-07-07 | 西安斯瑞先进铜合金科技有限公司 | Machining and positioning tool and machining method for upper wire outlet seat for solid-sealed polar pole |
| CN112059906A (en) * | 2020-08-12 | 2020-12-11 | 诺伯特智能装备（山东）有限公司 | Pipe fitting clamping and positioning device |
| CN112935283A (en) * | 2019-12-23 | 2021-06-11 | 福建恒杰塑业新材料有限公司 | Acute angle return bend frock clamp that pipeline fixed effectual |
| CN113305599A (en) * | 2021-06-10 | 2021-08-27 | 霍山嘉远智能制造有限公司 | Special-structure part numerical control boring and milling machine rapid clamping and correcting tool |
| CN113732863A (en) * | 2021-05-25 | 2021-12-03 | 大成（常熟）机械有限公司 | Valve body casting machining tool with adjustable casting compression resistance and implementation method thereof |
| CN113732752A (en) * | 2021-09-09 | 2021-12-03 | 东阳市联宜机电有限公司 | Positioning fixture for pipe bending |
| CN114378610A (en) * | 2022-02-15 | 2022-04-22 | 桂林福达阿尔芬大型曲轴有限公司 | Tool clamp for machining locating surface and assembling hole of crankshaft balancing weight and using method |
| CN115156935A (en) * | 2022-07-07 | 2022-10-11 | 沈阳飞机工业（集团）有限公司 | Outer barrel inner hole boring clamp and using method thereof |
| CN117884848A (en) * | 2024-03-18 | 2024-04-16 | 四川优机精密机械制造有限公司 | Processing method of oil transportation elbow joint of aircraft engine |
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| US3776539A (en) * | 1971-05-19 | 1973-12-04 | L Miller | Plastic pipe bending jig |
| CN102513853A (en) * | 2011-12-26 | 2012-06-27 | 上海锅炉厂有限公司 | Elbow clamping positioning device |
| CN203109660U (en) * | 2012-12-10 | 2013-08-07 | 上海航天精密机械研究所 | Bent pipe clamping device |
| CN103358135A (en) * | 2012-04-05 | 2013-10-23 | 中国石油天然气集团公司 | Workbench for groove machining of large-caliber hot bends |
| CN203751729U (en) * | 2014-03-11 | 2014-08-06 | 南京清泽田工程机械有限公司 | Elbow end face machining tool |
| CN204209461U (en) * | 2014-10-21 | 2015-03-18 | 江苏万盛铸造有限公司 | The special bend pipe end face special fixture of a kind of processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3776539A (en) * | 1971-05-19 | 1973-12-04 | L Miller | Plastic pipe bending jig |
| CN102513853A (en) * | 2011-12-26 | 2012-06-27 | 上海锅炉厂有限公司 | Elbow clamping positioning device |
| CN103358135A (en) * | 2012-04-05 | 2013-10-23 | 中国石油天然气集团公司 | Workbench for groove machining of large-caliber hot bends |
| CN203109660U (en) * | 2012-12-10 | 2013-08-07 | 上海航天精密机械研究所 | Bent pipe clamping device |
| CN203751729U (en) * | 2014-03-11 | 2014-08-06 | 南京清泽田工程机械有限公司 | Elbow end face machining tool |
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Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105500236A (en) * | 2015-12-16 | 2016-04-20 | 无锡市永亿精密铸造有限公司 | Precision casting processing jig |
| CN105921792A (en) * | 2016-07-06 | 2016-09-07 | 哈尔滨理工大学 | Drill jig used for rear axle shell machining |
| CN106624852B (en) * | 2016-11-15 | 2019-08-20 | 北京动力机械研究所 | A kind of clamping device of pipe joint casting |
| CN106624852A (en) * | 2016-11-15 | 2017-05-10 | 北京动力机械研究所 | Clamping device of pipe joints casting |
| CN106891252A (en) * | 2017-03-22 | 2017-06-27 | 长春理工大学 | A kind of fixture of solid-liquid two-phase flow polishing different curvature parts like bent pipes |
| CN106891252B (en) * | 2017-03-22 | 2023-06-02 | 长春理工大学 | Clamp for grinding and polishing bent pipe parts with different curvatures by solid-liquid two-phase flow |
| CN107335872A (en) * | 2017-06-30 | 2017-11-10 | 中国航空工业标准件制造有限责任公司 | The preparation method of screw thread pilot angle |
| CN107335872B (en) * | 2017-06-30 | 2019-11-05 | 中国航空工业标准件制造有限责任公司 | The production method of screw thread pilot angle |
| CN107322027A (en) * | 2017-07-14 | 2017-11-07 | 重庆江增船舶重工有限公司 | The processing method and its boring or milling tool of turbo-charger gas inlet housing |
| CN107498334A (en) * | 2017-08-31 | 2017-12-22 | 安徽信息工程学院 | The fixture of transfer tube |
| CN107639437A (en) * | 2017-10-20 | 2018-01-30 | 河南太行精铸制造有限公司 | A kind of irregular workpiece processing frock |
| CN109773519A (en) * | 2019-02-09 | 2019-05-21 | 沈阳富创精密设备有限公司 | A kind of mo(u)lded piece supporting tool |
| CN112935283A (en) * | 2019-12-23 | 2021-06-11 | 福建恒杰塑业新材料有限公司 | Acute angle return bend frock clamp that pipeline fixed effectual |
| CN112935284A (en) * | 2019-12-23 | 2021-06-11 | 福建恒杰塑业新材料有限公司 | Support stable acute angle return bend frock clamp |
| CN112935284B (en) * | 2019-12-23 | 2022-05-13 | 福建恒杰塑业新材料有限公司 | Support stable acute angle return bend frock clamp |
| CN112935283B (en) * | 2019-12-23 | 2022-05-24 | 福建恒杰塑业新材料有限公司 | Acute angle return bend frock clamp that pipeline fixed effectual |
| CN111376084A (en) * | 2020-03-23 | 2020-07-07 | 西安斯瑞先进铜合金科技有限公司 | Machining and positioning tool and machining method for upper wire outlet seat for solid-sealed polar pole |
| CN112059906A (en) * | 2020-08-12 | 2020-12-11 | 诺伯特智能装备（山东）有限公司 | Pipe fitting clamping and positioning device |
| CN112059906B (en) * | 2020-08-12 | 2022-03-08 | 诺伯特智能装备（山东）有限公司 | Pipe fitting clamping and positioning device |
| CN113732863A (en) * | 2021-05-25 | 2021-12-03 | 大成（常熟）机械有限公司 | Valve body casting machining tool with adjustable casting compression resistance and implementation method thereof |
| CN113305599A (en) * | 2021-06-10 | 2021-08-27 | 霍山嘉远智能制造有限公司 | Special-structure part numerical control boring and milling machine rapid clamping and correcting tool |
| CN113305599B (en) * | 2021-06-10 | 2023-10-31 | 霍山嘉远智能制造有限公司 | Quick clamping and correcting tool for numerical control boring and milling machine of special structural part |
| CN113732752A (en) * | 2021-09-09 | 2021-12-03 | 东阳市联宜机电有限公司 | Positioning fixture for pipe bending |
| CN114378610A (en) * | 2022-02-15 | 2022-04-22 | 桂林福达阿尔芬大型曲轴有限公司 | Tool clamp for machining locating surface and assembling hole of crankshaft balancing weight and using method |
| CN115156935A (en) * | 2022-07-07 | 2022-10-11 | 沈阳飞机工业（集团）有限公司 | Outer barrel inner hole boring clamp and using method thereof |
| CN117884848A (en) * | 2024-03-18 | 2024-04-16 | 四川优机精密机械制造有限公司 | Processing method of oil transportation elbow joint of aircraft engine |
| CN117884848B (en) * | 2024-03-18 | 2024-05-07 | 四川优机精密机械制造有限公司 | Processing method of oil transportation elbow joint of aircraft engine |
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| CN104289940B (en) | 2016-07-13 |
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