CN102699387B - Processing method of hinge drill jig for drilling small holes on long-shaft parts - Google Patents
Processing method of hinge drill jig for drilling small holes on long-shaft parts Download PDFInfo
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- CN102699387B CN102699387B CN201210182589.2A CN201210182589A CN102699387B CN 102699387 B CN102699387 B CN 102699387B CN 201210182589 A CN201210182589 A CN 201210182589A CN 102699387 B CN102699387 B CN 102699387B
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Abstract
The invention relates to a hinge drill jig for drilling small holes on long-shaft parts, and a processing method of the hinge drill jig. The processing method of the hinge drill jig comprises the following steps: 1), processing a base; 2), processing a drill plate, wherein the upper end surface and the lower end surface of the drill plate are lathed to be parallel to each other while the thickness made allowance is 0.6 to 0.8 mm, tempering is carried out according to HRC 27 to 29 while the thickness allowance is ground to the thickness required according to the drill plate, the outline of the drill plate is scratched out while no notch is manufactured, the outline of the drill plate is milled while no notch is milled, quenching and tempering are carried out according to HRC 59 to 62, line cutting is conducted on a notch while the polishing quantity is left to be 0.02 mm, and the line cutting surface is polished; and 3), processing the drill plate and the base integrally, wherein a plurality of drill plates are fixed on the base; the drill plate and the base are integrally processed according to line cutting; centering is carried out by taking the ground surface of the bottom surface as a benchmark; holes and inclined planes are cut on the drill plates once while polishing quantity is left on the inclined planes; and the inclined planes are polished. When the processing method is adopted reasonably, the machining precision can be improved, the processing can be more convenient, and the production efficiency is greatly improved.
Description
Technical field
The invention relates to a kind of drill jig, relates to particularly a kind of for bore hinge drill jig and the processing method thereof of aperture on longaxones parts.
Background technology
Be a kind of folding shape part as depicted in figs. 1 and 2, the feature of such part is that pore-throat (10) is less and length is very long, and the tolerance of aperture is stricter, all within ± 0.02mm.In existing processing method, owing to the small hole shaft line-spacing frock edge of drilling jig tool only having 2.85mm, frock can not lining cover, can only wholely adopt the material such as Cr12Mov, T8, T8A, and carry out the heat treatment of high temperature.Make like this processing method be very restricted.In processing method in the past, what bushing plate was taked is all the laggard line cutting of single-piece heat treatment, then be fixed on base, with bearing pin, carry out precision adjustment again, because bushing plate pore-throat is all very little, so bearing pin is not only thin but also long, stiffness and strength is very bad, a large amount of time is not only wasted in processing like this, and the axiality problem of each aperture of bushing plate is difficult to guarantee.
Summary of the invention
In order to solve, bore the axiality problem of each aperture of bushing plate on hinge drill jig for aperture on longaxones parts, it is a kind of for the more rational processing method of hinge drill jig that the invention provides.Not only improve major axis class and bore the machining accuracy of aperture hinge drill jig, and be convenient to processing, greatly improved production efficiency.
The invention provide for bore the hinge drill jig of aperture on longaxones parts, it is characterized in that: some bushing plates, base and some pressing plates, consist of, bushing plate is connected with base, and pressing plate is flexibly connected with base, is shaped with gap and aperture on bushing plate.
Above-mentioned as follows for bore the processing method of hinge drill jig of aperture on longaxones parts:
1) processing base: guarantee that two step surface tolerance dimensions are at 7.5 ± 0.01mm;
2) processing bushing plate:
2.1) the upper and lower both ends of the surface of wagon drill template are parallel, thickness made allowance 0.6-0.8mm;
2.2) heat treatment: modified HRC27-29, the thickness that mill thickness surplus requires to bushing plate;
2.3) profile of chamfering bit template, gap is not made;
2.4) profile of milling bushing plate, not milling of gap;
2.5) heat treatment: tempering HRC59-62 quenches;
2.6) line cutting gap, stays polishing amount 0.02mm;
2.7) polishing line cut surface;
3) the whole processing of bushing plate and base:
3.1) by size, some bushing plates are fixed on base;
3.2) line cutting, by bushing plate and the whole processing of base, be take bottom surface flour milling as benchmark centering, once cutting hole and inclined-plane on some bushing plates, and inclined-plane stays polishing amount;
3.3) polishing inclined-plane.
The beneficial effect of the invention is: 1. overcome in existing method, due to the single machine-shaping of bushing plate, then be installed on base, adjusting bushing plate makes aperture on bushing plate on coaxial again, so it is very large that existing method bushing plate is adjusted workload, and easily occur that aperture is not in coaxial problem.And the method for the invention, due to, first by bushing plate, the structure except aperture is first processed, then be installed on base, in the processing that once completes aperture on bushing plate, so not only reduced the difficulty of adjusting bushing plate position, and each aperture out-of-alignment problem in the bushing plate that has prevented from causing due to small diameter long bearing pin poor rigidity.2. the method for the invention has not only guaranteed each aperture axiality problem of bushing plate, and guaranteed the 2.85 ± 0.02mm tolerance between locating surface and aperture, when improving the machining accuracy of major axis class brill aperture hinge drill jig, simplified processing method, greatly improved production efficiency.
Accompanying drawing explanation
Fig. 1 is the front view of folding shape part.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the top view of the invention hinge drill jig.
Fig. 4 is the side view of the invention hinge drill jig.
The specific embodiment
(1) for bore the hinge drill jig of aperture on longaxones parts
As shown in Figure 3 and Figure 4, for bore the hinge drill jig of aperture on longaxones parts: formed by some bushing plates (1), base (2) and some pressing plates (3), bushing plate (1) is connected with base (2), pressing plate (3) is flexibly connected with base (2), is shaped with gap (4) and aperture (5) on bushing plate (1).
(2) for bore the processing method of the hinge drill jig of aperture on longaxones parts
1) processing base, guarantees that two step surface tolerance dimensions are at 7.5 ± 0.01mm, for later processing provides benchmark;
2) processing of bushing plate:
2.1) car both ends of the surface are parallel, car casting skin, and thickness 10mm stays mill 0.6-0.8mm; Thickness direction is later allowance;
2.2) heat treatment: modified HRC27-29, adjust material crystals arrangement architecture, improve materials processing performance, after minimizing heat treatment, be out of shape; Mill thickness 10mm size, parallel;
2.3) draw External Shape, gap is not made;
2.4) milling External Shape.Not milling of gap, opening position miller is angle clearly, and later stage line is cut into;
2.5) heat treatment: the tempering HRC59-62 that quenches, improves material hardness;
2.6) line cutting gap, stays polishing amount 0.02mm;
2.7) pincers worker polishing line cut surface;
3) the whole processing of bushing plate and base:
3.1) pincers worker is fixed on some bushing plates on base by size, and does not interfere with part principal security bushing plate position;
3.2) line cutting, by bushing plate and the whole processing of base, be take bottom surface flour milling as benchmark centering, once cuts Φ 3F8 hole and inclined-plane on some bushing plates, and inclined-plane stays polishing amount;
3.3) pincers worker polishing inclined-plane.
The invention adopts integral processing method, improve major axis class and bore the machining accuracy of aperture hinge drill jig, reduced with bearing pin major axis has been bored to the process that in aperture hinge drill jig drill jig, bushing plate carries out accurate adjustment, simplified processing method, and greatly improved production efficiency.
Claims (1)
1. for bore the processing method of the hinge drill jig of aperture on longaxones parts, it is characterized in that method is as follows:
1) processing base: guarantee that two step surface tolerance dimensions are at 7.5 ± 0.01mm;
2) processing bushing plate:
2.1) the upper and lower both ends of the surface of wagon drill template are parallel, thickness made allowance 0.6-0.8mm;
2.2) heat treatment: modified HRC27-29, the thickness that mill thickness surplus requires to bushing plate;
2.3) profile of chamfering bit template, gap is not made;
2.4) profile of milling bushing plate, not milling of gap;
2.5) heat treatment: tempering HRC59-62 quenches;
2.6) line cutting gap, stays polishing amount 0.02mm;
2.7) polishing line cut surface;
3) the whole processing of bushing plate and base:
3.1) by size, some bushing plates are fixed on base;
3.2) line cutting, by bushing plate and the whole processing of base, be take bottom surface flour milling as benchmark centering, once cutting hole and inclined-plane on some bushing plates, and inclined-plane stays polishing amount;
3.3) polishing inclined-plane;
Wherein, described for bore the hinge drill jig of aperture on longaxones parts is: some bushing plates (1), base (2) and some pressing plates (3), consist of, bushing plate (1) is connected with base (2), pressing plate (3) is flexibly connected with base (2), is shaped with gap (4) and aperture (5) on bushing plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210182589.2A CN102699387B (en) | 2012-06-06 | 2012-06-06 | Processing method of hinge drill jig for drilling small holes on long-shaft parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210182589.2A CN102699387B (en) | 2012-06-06 | 2012-06-06 | Processing method of hinge drill jig for drilling small holes on long-shaft parts |
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| Publication Number | Publication Date |
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| CN102699387A CN102699387A (en) | 2012-10-03 |
| CN102699387B true CN102699387B (en) | 2014-03-26 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103272950B (en) * | 2013-06-14 | 2015-05-20 | 沈阳飞机工业（集团）有限公司 | Machining process for narrow prolate irregular male die split parts of punching die |
| CN103769798B (en) * | 2014-01-27 | 2016-01-20 | 哈尔滨飞机工业集团有限责任公司 | A kind of main inspection drill jig method of manufacturing technology |
| CN103831600B (en) * | 2014-03-17 | 2016-04-20 | 沈阳飞机工业（集团）有限公司 | A kind of method of Multi-angle drilling jig processing |
| CN105619022A (en) * | 2014-11-26 | 2016-06-01 | 无锡市锡北视听设备厂 | Manufacturing method for milling machining clamp |
| CN105689977A (en) * | 2014-11-26 | 2016-06-22 | 无锡市锡北视听设备厂 | Manufacturing method for multipurpose tool for machining cylindrical workpiece |
| CN105689975A (en) * | 2014-11-26 | 2016-06-22 | 无锡市锡北视听设备厂 | Manufacturing method of positioning device for linear cutting of bushing |
| CN105690017A (en) * | 2014-11-26 | 2016-06-22 | 无锡市锡北视听设备厂 | Manufacturing method of positioning clamp for high-precision bevel hole drilling |
| CN114789271B (en) * | 2022-06-01 | 2023-06-27 | 沈阳飞机工业（集团）有限公司 | Drilling jig for fish scale hinge and processing method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB191100771A (en) * | 1911-01-11 | 1911-05-25 | Hermann Steller | Finishing Machine for Butt Hinges and the like. |
| CN201124253Y (en) * | 2007-12-19 | 2008-10-01 | 成都飞机工业（集团）有限责任公司 | Drilling mould for drilling rotating shaft hole of hinge |
| CN201235413Y (en) * | 2007-12-29 | 2009-05-13 | 成都飞机工业（集团）有限责任公司 | Bar hinge hinge hole drilling fixture |
| KR100960956B1 (en) * | 2009-07-29 | 2010-06-03 | (주)퍼니원 | Cutting apparatus for hinge/handle groove |
| CN102476207A (en) * | 2010-11-25 | 2012-05-30 | 中国商用飞机有限责任公司 | Processing fixture and assembling method for long-hinge part |
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