CN204658003U - With mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture - Google Patents
With mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture Download PDFInfo
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- CN204658003U CN204658003U CN201520263462.2U CN201520263462U CN204658003U CN 204658003 U CN204658003 U CN 204658003U CN 201520263462 U CN201520263462 U CN 201520263462U CN 204658003 U CN204658003 U CN 204658003U
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Abstract
A kind of with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture, belong to Workpiece fixing clamping device technique field.Describedly comprise holder, locating shaft, adjusting sleeve, clamping seats, pressing plate and jackscrew with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture; Described holder is provided with base plate, the first front side wall, the first rear wall, the second front side wall and the second rear wall, described base plate is arranged on lathe chuck, described second front side wall and the second rear wall install locating shaft, by pressing plate bearing pin hinge mounted pressing plate between described first front side wall and the first rear wall; Described clamping seats is arranged on the base plate of holder, equipped adjusting sleeve on clamping seats; Described jackscrew comprises the two parts be arranged symmetrically with, and they are arranged on holder second front side wall and the second rear wall respectively.The utility model solves with upright opening workpiece hole internal axle sleeve inner headed face finishing problem on lathe, achieves the quick and precisely location of workpiece, ensure that product quality, improve operating efficiency.
Description
Technical field
The utility model relates to a kind of workpiece positioning clamp, especially a kind of hole internal axle sleeve inner headed face positioning clamp for machining be applicable to two upright opening workpiece, belongs to Workpiece fixing clamping device technique field.
Background technology
Turning process is mainly used in the processing to external rotary surface in workpiece, has that working angles is steady, machining accuracy is high, cutter structure is simple and structure, the advantage such as material and production lot strong adaptability to workpiece, is used widely in field of machining.
Joint part 1 on a kind of aircraft landing gear as shown in accompanying drawing 1, Fig. 2, it is provided with orthogonal two through holes of central axis, and in the first through hole 1-1 setting-in first axle sleeve 1-3, setting-in second axle sleeve 1-4 in the second through hole 1-2.In aircraft landing gear maintenance process, the first axle sleeve 1-3 after wearing and tearing and the second axle sleeve 1-4 is adopted to the processing method more renewing part, therefore need first in two through holes of joint part 1, to press-fit the axle sleeve of endoporus with allowance, for meeting joint part 1 and the quality of fit requirement of other shaft element, also to repair axle sleeve inner headed face.
Traditional axle sleeve inner headed face method for trimming utilizes drilling machine to ream or by boring machine bore hole, but drilling machine fraising exists and is difficult to ensure the problem of machining accuracy; And the defect of clamping workpiece location centering complex operation step is there is by the method for boring machine bore hole.For solving the problem, relevant technologies personnel imagination completes the dressing operation of axle sleeve inner headed face on lathe, brings thus for the design problem with two upright opening workpiece hole internal axle sleeve inner headed face turnery processing positioning fixtures and Workpiece clamping localization method.
Utility model content
The purpose of this utility model is to repair problems for two upright opening inner hole of workpiece axle sleeve inner headed faces, there is provided one can not only realize workpiece accurately to locate, ensure workpiece processing quality, and can complete fast Workpiece fixing clamping, increase work efficiency with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture.
The purpose of this utility model is achieved through the following technical solutions:
A kind of with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture, comprise holder, locating shaft, adjusting sleeve, clamping seats, pressing plate and jackscrew; Described holder is provided with base plate, the first front side wall, the first rear wall, the second front side wall and the second rear wall, described base plate is arranged on lathe chuck, described second front side wall and the second rear wall are installed the locating shaft of communicating structure, by pressing plate bearing pin hinge mounted pressing plate between described first front side wall and the first rear wall; Described clamping seats is arranged on the base plate of holder, equipped adjusting sleeve on clamping seats; Described jackscrew comprises the two parts be arranged symmetrically with, on the second front side wall that they are arranged on holder with heeling condition and the second rear wall.
Above-mentioned with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture, described locating shaft is two, a wherein coarse positioning axle that the second axle sleeve is positioned when being the finishing of joint part first axle sleeve inner circle, the fine positioning axle that another root positions the first axle sleeve when being the finishing of joint part second axle sleeve inner circle, described coarse positioning axle and fine positioning axle are one end and establish threaded bolt, and described bolt realizes axial location by locking nut.
Above-mentioned with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture, described clamping seats is sleeve structure, and its external cylindrical surface is inlaid on holder base plate, and is fixed by clamping seats alignment pin, and clamping seats inner cylinder face is provided with the internal thread mated with adjusting sleeve.
Above-mentioned with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture, described adjusting sleeve is assembled by external screw thread and clamping seats, is provided with interior hexagonal adjusting hole in adjusting sleeve central axial direction.
Above-mentioned with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture, described pressing plate is fixed on holder base plate by bolt of long stem after clamping workpiece completes, the hinge hole mated with pressing plate bearing pin is provided with in pressing plate one end, the other end is provided with the pressure head mated with workpiece end face, in the middle part of pressing plate, be provided with bolt of long stem through hole, described bolt of long stem is elongated hole structure through hole.
Described in the utility model with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture, for realizing carrying out the finishing with two upright opening workpiece hole internal axle sleeve inner headed faces on lathe, when one of them axle sleeve of butt joint part is repaired, first coarse positioning axle is penetrated in another axle sleeve of joint part; Regulate adjusting sleeve to screw in the degree of depth of clamping seats again, reach by the lifting of adjusting sleeve upper end locating surface the object making sleeve to be machined central axis consistent with lathe chuck central axis; After detection tabs parts fixation position meets the requirements, by the jackscrew be in tilted layout, another axle sleeve place front/rear end of joint part is held out against fixing, and by pressing plate, joint part upper surface is compressed; Then the finishing that lathe carries out sleeve to be machined inner headed face is started; Change over adapter parts fixation position, penetrates in the axle sleeve of processing of joint part by fine positioning axle; Repair identical location clamping step according to above-mentioned axle sleeve of having processed, complete the inner headed face finishing of another axle sleeve of joint part, until aperture meets technical requirement.As can be seen here, described in the utility model have simple, the easy to operate feature of structure with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture, solve with two upright opening workpiece hole internal axle sleeve inner headed face finishing problems well, not only achieve the accurate location of workpiece, ensure that workpiece processing quality, and can complete fast workpiece positioning and clamping, significantly improved operating efficiency.
Accompanying drawing explanation
Fig. 1 is the aircraft landing gear joint part structural representation involved by the utility model;
Fig. 2 is the front view of the aircraft landing gear joint part involved by the utility model;
Fig. 3 is described in the utility model with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture structure schematic diagram;
Fig. 4 is the structural blast figure of Fig. 3;
Fig. 5 is the main sectional view with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture described in the utility model;
Fig. 6 is fixed seat structure schematic diagram;
Fig. 7 is that adjusting sleeve and gripping sleeve assemble schematic diagram;
Fig. 8 is the top view of Fig. 7;
Fig. 9 is pressing plate cross-sectional view;
Figure 10 is joint part and described in the utility modelly repairs positioning fixture with mutual upright opening inner hole of workpiece axle sleeve and assemble schematic diagram;
Figure 11 is the main sectional view of Figure 10;
Figure 12 is the top view of Figure 10;
Figure 13 is A-A cross-sectional view in Figure 12.
In figure, each list of reference numerals is: 1, joint part (workpiece), 1-1, first through hole, 1-2, second through hole, 1-3, first axle sleeve, 1-4, second axle sleeve, 2, with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture, 2-1, holder, 2-1-1, base plate, 2-1-2, first front side wall, 2-1-3, first rear wall, 2-1-4, second front side wall, 2-1-5, second rear wall, 2-2, locating shaft, 2-2-1, bolt, 2-2-2, locking nut, 2-3, adjusting sleeve, 2-3-1, interior hexagonal adjustment hole, 2-4, clamping seats, 2-5, pressing plate, 2-5-1, pressure head, 2-5-2, bolt of long stem is through hole, 2-5-3, hinge hole, 2-6, pressing plate bearing pin, 2-7, bolt of long stem, 2-8, jackscrew, 2-9, clamping seats alignment pin.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to Fig. 3, Fig. 4, Fig. 5, Fig. 6, described in the utility modelly comprise holder 2-1, locating shaft 2-2, adjusting sleeve 2-3, clamping seats 2-4, pressing plate 2-5 and jackscrew 2-8 with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture 2, described holder 2-1 is provided with base plate 2-1-1, the first front side wall 2-1-2, the first rear wall 2-1-3, the second front side wall 2-1-4 and the second rear wall 2-1-5, described base plate 2-1-1 is arranged on lathe chuck, described second front side wall 2-1-4 and the second rear wall 2-1-5 installs the locating shaft 2-2 of communicating structure, described locating shaft 2-2 is two, a wherein coarse positioning axle that the second axle sleeve 1-4 is positioned when being the finishing of joint part first axle sleeve 1-3 inner circle, the fine positioning axle that another root positions the first axle sleeve 1-3 when being the finishing of joint part second axle sleeve 1-4 inner circle, described coarse positioning axle and fine positioning axle are one end and establish threaded bolt 2-2-1, described bolt 2-2-1 realizes axial location by locking nut 2-2-2, by pressing plate bearing pin 2-6 hinge mounted pressing plate 2-5 between described first front side wall 2-1-2 and the first rear wall 2-1-3, described clamping seats 2-4 is arranged on the base plate 2-1-1 of holder 2-1, equipped adjusting sleeve 2-3 on clamping seats 2-4, described jackscrew 2-8 comprises the two parts be arranged symmetrically with, on the second front side wall 2-1-4 that they are arranged on holder 2-1 with heeling condition and the second rear wall 2-1-5.
Referring to Fig. 3, Fig. 4, Fig. 5, Fig. 7, Fig. 8, described in the utility model with in mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture 2, described clamping seats 2-4 is sleeve structure, its external cylindrical surface is inlaid on the base plate 2-1-1 of holder, and fixed by clamping seats alignment pin 2-9, clamping seats 2-4 inner cylinder face is provided with the internal thread mated with adjusting sleeve 2-3; Described adjusting sleeve 2-3 is assembled by external screw thread and clamping seats 2-4, is provided with interior hexagonal adjusting hole 2-3-1 in adjusting sleeve 2-3 central axial direction.
Referring to Fig. 3, Fig. 4, Fig. 5, Fig. 9, described in the utility model with in mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture 2,2-1-1 on described pressing plate 2-5 is fixed on holder after clamping workpiece completes base plate by bolt of long stem 2-7, the hinge hole 2-5-3 mated with pressing plate bearing pin 2-6 is provided with in pressing plate 2-5 one end, the other end is provided with the pressure head 2-5-1 mated with workpiece end face, in the middle part of pressing plate, be provided with bolt of long stem through hole 2-5-1, described bolt of long stem is elongated hole structure through hole 2-5-1.
Referring to Fig. 1 to Figure 13, the course of work with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture 2 described in the utility model comprises following operative step:
A, adjusting sleeve 2-3 to be screwed in clamping seats 2-4, then clamping seats 2-4 is arranged on the base plate 2-1-1 of holder, and is fixed by clamping seats alignment pin 2-9;
B, by holder 2-1 clamping on lathe chuck, start lathe, utilize dial gauge to the first front side wall 2-1-2 of holder 2-1, first rear wall 2-1-3, second front side wall 2-1-4 and the second rear wall 2-1-5 upper surface flatness detect, then holder 2-1 clamping state is adjusted, until the first front side wall 2-1-2 of holder 2-1, first rear wall 2-1-3, second front side wall 2-1-4 and the second rear wall 2-1-5 upper surface flatness meet technological requirement, the central axis being now arranged on clamping seats 2-4 on holder base plate 2-1-1 and adjusting sleeve 2-3 is consistent with lathe spindle central axis,
C, using an axle sleeve hole of joint part 1 to be processed as datum hole, another axle sleeve hole is hole to be processed, the bolt 2-2-1 of coarse positioning axle through the second rear wall 2-1-5 of the second front side wall 2-1-4 of holder 2-1, datum hole and holder, then carries out axial location by locking nut 2-2-2 to bolt 2-2-1;
D, by outer hexagonal spanner with on adjusting sleeve 2-3 in hexagonal adjusting hole 2-3-1 coordinate, adjusting sleeve 2-3 is regulated to screw in the degree of depth of clamping seats 2-4, start lathe, make lathe chuck pass through to drive joint part 1 to rotate with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture 2, utilize the flatness of upper surface, place, centimeter check joint part 1 hole site to be processed;
E, repetition steps d, until detected end face plane degree meets technical requirement;
F, adjustment are arranged on the screw-in depth of holder second front side wall 2-1-4 and upper two the jackscrew 2-8 of the second rear wall 2-1-5, start lathe, make lathe chuck pass through to drive joint part 1 to rotate with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture 2, utilize the axiality of lever indicator detection tabs part 1 hole to be processed inner cylinder face;
G, repetition step f, until detected inner cylinder face axiality meets technical requirement;
H, by upper surface, place, pressing plate 2-5 pressed joint part 1 hole site to be processed, then by bolt of long stem 2-7, pressing plate 2-5 to be fixed, complete the operation of joint part 1 positioning and clamping, carry out the turnery processing of joint part 1 hole to be processed inner cylinder face;
After i, above-mentioned steps complete, change over adapter part 1 clamping position, the bolt 2-2-1 of fine positioning axle is passed the second rear wall 2-1-5 of the second front side wall 2-1-4 of holder 2-1, datum hole and holder, then by locking nut 2-2-2, axial location is carried out to bolt 2-2-1; According to steps d to the operating process of step h, carry out another axle sleeve inner cylinder face turnery processing of joint part 1.
The utility model solves with two upright opening workpiece hole internal axle sleeve inner headed face finishing problems well, not only achieve the accurate location of workpiece, ensure that workpiece processing quality, and can complete fast workpiece positioning and clamping, improve operating efficiency exponentially.
Claims (5)
1. repair positioning fixture with mutual upright opening inner hole of workpiece axle sleeve for one kind, it is characterized in that, describedly comprise holder (2-1), locating shaft (2-2), adjusting sleeve (2-3), clamping seats (2-4), pressing plate (2-5) and jackscrew (2-8) with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture (2); Described holder (2-1) is provided with base plate (2-1-1), the first front side wall (2-1-2), the first rear wall (2-1-3), the second front side wall (2-1-4) and the second rear wall (2-1-5), described base plate (2-1-1) is arranged on lathe chuck, described second front side wall (2-1-4) and the upper locating shaft (2-2) installing communicating structure of the second rear wall (2-1-5), by pressing plate bearing pin (2-6) hinge mounted pressing plate (2-5) between described first front side wall (2-1-2) and the first rear wall (2-1-3); Described clamping seats (2-4) is arranged on the base plate (2-1-1) of holder (2-1), in the upper equipped adjusting sleeve (2-3) of clamping seats (2-4); Described jackscrew (2-8) comprises the two parts be arranged symmetrically with, on the second front side wall (2-1-4) that they are arranged on holder (2-1) with heeling condition and the second rear wall (2-1-5).
2. according to claim 1 with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture, it is characterized in that, described locating shaft (2-2) is two, a wherein coarse positioning axle that the second axle sleeve (1-4) is positioned when being the finishing of joint part first axle sleeve (1-3) inner circle, the fine positioning axle that another root positions the first axle sleeve (1-3) when being the finishing of joint part second axle sleeve (1-4) inner circle, described coarse positioning axle and fine positioning axle are one end and establish threaded bolt (2-2-1), described bolt (2-2-1) realizes axial location by locking nut (2-2-2).
3. according to claim 2 with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture, it is characterized in that, described clamping seats (2-4) is sleeve structure, its external cylindrical surface is inlaid on the base plate (2-1-1) of holder, and fixed by clamping seats alignment pin (2-9), clamping seats (2-4) inner cylinder face is provided with the internal thread mated with adjusting sleeve (2-3).
4. according to claim 3 with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture, it is characterized in that, described adjusting sleeve (2-3) is assembled by external screw thread and clamping seats (2-4), is provided with interior hexagonal adjusting hole (2-3-1) in adjusting sleeve (2-3) central axial direction.
5. according to claim 1 or 2 or 3 or 4 with mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture, it is characterized in that, described pressing plate (2-5) is fixed on (2-1-1) on the base plate of holder by bolt of long stem (2-7) after clamping workpiece completes, the hinge hole (2-5-3) mated with pressing plate bearing pin (2-6) is provided with in pressing plate (2-5) one end, the other end is provided with the pressure head (2-5-1) mated with workpiece end face, in the middle part of pressing plate, be provided with bolt of long stem through hole (2-5-1), described bolt of long stem is elongated hole structure through hole (2-5-1).
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CN201520263462.2U CN204658003U (en) | 2015-04-28 | 2015-04-28 | With mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture |
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CN201520263462.2U CN204658003U (en) | 2015-04-28 | 2015-04-28 | With mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture |
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Cited By (6)
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CN105171447A (en) * | 2015-04-28 | 2015-12-23 | 中国人民解放军第五七二一工厂 | Positioning clamp and method for machining inner circle face of orthogonal shaft sleeve |
CN109262457A (en) * | 2018-11-05 | 2019-01-25 | 新乡航空工业(集团)有限公司 | A kind of grip device for workpiece planarization grinding |
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CN110587336A (en) * | 2019-09-21 | 2019-12-20 | 宁波联友精密制造有限公司 | Portable stabilizing clamp |
CN111941109A (en) * | 2020-06-28 | 2020-11-17 | 北京实验工厂有限责任公司 | Positioning and clamping device for high-precision space vertical hole turning |
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2015
- 2015-04-28 CN CN201520263462.2U patent/CN204658003U/en active Active
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105171447A (en) * | 2015-04-28 | 2015-12-23 | 中国人民解放军第五七二一工厂 | Positioning clamp and method for machining inner circle face of orthogonal shaft sleeve |
CN109352581A (en) * | 2018-09-25 | 2019-02-19 | 中国人民解放军第五七二工厂 | A kind of device of the set metal cutting ferrule on rubber catheter |
CN109352581B (en) * | 2018-09-25 | 2024-04-12 | 中国人民解放军第五七二一工厂 | Device for sleeving metal cutting ferrule on rubber catheter |
CN109262457A (en) * | 2018-11-05 | 2019-01-25 | 新乡航空工业(集团)有限公司 | A kind of grip device for workpiece planarization grinding |
CN110587336A (en) * | 2019-09-21 | 2019-12-20 | 宁波联友精密制造有限公司 | Portable stabilizing clamp |
CN110587336B (en) * | 2019-09-21 | 2022-01-28 | 宁波联友精密制造有限公司 | Portable stabilizing clamp |
CN111941109A (en) * | 2020-06-28 | 2020-11-17 | 北京实验工厂有限责任公司 | Positioning and clamping device for high-precision space vertical hole turning |
CN113787357A (en) * | 2021-08-16 | 2021-12-14 | 北京实验工厂有限责任公司 | Positioning and clamping device and method for processing pin shaft hole system of cross shaft press-fitting assembly |
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