CN101992309A - Machining method for cross-shaped shaft holes of differential mechanism semi-shells - Google Patents
Machining method for cross-shaped shaft holes of differential mechanism semi-shells Download PDFInfo
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- CN101992309A CN101992309A CN2010105308345A CN201010530834A CN101992309A CN 101992309 A CN101992309 A CN 101992309A CN 2010105308345 A CN2010105308345 A CN 2010105308345A CN 201010530834 A CN201010530834 A CN 201010530834A CN 101992309 A CN101992309 A CN 101992309A
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- differential mechanism
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000003754 machining Methods 0.000 title abstract description 9
- 238000003672 processing method Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003252 repetitive effect Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
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Abstract
The invention relates to a machining method for the cross-shaped shaft holes of differential mechanism semi-shells, which is characterized in that the differential mechanism semi-shells are arranged in the inner cavity of a fixture by being positioned with the external circle of the lower end and the bottom end surface of the differential mechanism semi-shells and the fixture is fixed on a swiveling operating platform; semicircular holes are machined successively through the modes of chambering, heavy boring and refined boring; the swiveling operating platform is arranged so that the differential mechanism semi-shells automatically rotate at 90 degrees; and the four perpendicular semicircular holes are machined successively according to the sequence. The machining method carries out the machining on the swiveling platform of a vertical machining center so as to carry out arbitrary scale division; the oil pressure type locking is adopted so that the clamping is reliable; the high-precision tooth type positioning is adopted to accurately rotate the differential mechanism semi-shells at 90 degrees and ensure the coaxiality and the verticality among the four cross-shaped shaft holes; the designed chambering cutter, and heavy and refined boring cutters guarantee that the machining dimension precision is high and stable; and the positioning fixture is designed and is fixed on the chuck of a machine tool so that the process reference and the design reference of the differential mechanism semi-shells are consistent. Compared with the traditional process, the machining method of the invention saves the assembling and calibrating working procedures of the two semi-shells and enhances the production efficiency so that the products have interchangeability.
Description
Technical field: patent of the present invention relates to a kind of processing method of differential mechanism half shell cross shaft hole, belongs to auto parts machinery and makes the field.
Background technology: differential carrier is made up of two and half shells usually, is provided with four radially cross shaft hole at the faying face place of two and half shells.Axiality and perpendicularity require because 4 cross shaft hole of differential carrier have each other, there are diameter tolerance and circularity requirement in the hole, cross shaft hole processing method commonly used at present mainly contains: (1) adopts common driller to process this part, with four axiality and perpendicularity requirements that cross shaft hole is mutual of running accuracy assurance of anchor clamps; Guarantee the diameter tolerance and the circularity in hole with the technology mode of drill bushing and brill, expansion, hinge.(2) utilize the revolution of horizontal Machining centers workbench, realize processing, with the mode of thick, right boring and select for use suitable blade to guarantee the diameter tolerance and the circularity in hole four cross shaft hole.Because cross shaft hole processing method commonly used at present all is component processing, for guaranteeing assembly precision, the former pairing workpiece of general employing still keeps original mating member assembling when taking the back assembling apart, part assembling interchangeability is relatively poor, if wherein damage in two and half shells, another part also can only be scrapped, and has increased cost, has reduced production efficiency.
Summary of the invention: purpose of the present invention is exactly the processing method that a kind of differential mechanism half shell cross shaft hole will be provided, it can solve the problem of the existing existing assembling interchangeability of differential casing processing method difference, the object of the present invention is achieved like this, the processing method of differential mechanism half shell cross shaft hole, it is characterized in that: with differential mechanism half shell lower end cylindrical, differential mechanism half shell bottom face location, be placed in the anchor clamps inner chamber, pin-and-hole and anchor clamps locking are fixed on anchor clamps on the rotary table; Adopt the mode of reaming, heavy boring, right boring to process semicircle orifice successively; Rotary table is set to be revolved differential mechanism half shell automatically and turn 90 degrees; Adopt the mode of reaming, heavy boring, right boring to process semicircle orifice successively; And the like, process four orthogonal semicircle orifices, differential mechanism half shell semicircle orifice completion of processing.The present invention selects computer numerical controlled tooth-like rounding table control for use on the vertical machining centre panoramic table, can arbitrary indexing; The locking of employing hydraulic type, reliable clamping; And adopt high-accuracy tooth-like location, positioning accuracy and repetitive positioning accuracy height, can accurately differential mechanism half shell be revolved and turn 90 degrees, guarantee four axiality and perpendicularity that cross shaft hole is mutual, the cornish bit of design and thick, fine boring cutter assurance accurate to dimension height and stable, design differential mechanism half shell clamps, positioning fixture, and anchor clamps are fixed on the machine chuck, makes the technological datum of differential mechanism half shell consistent with design basis.Compare with traditional handicraft, save the assembling of two halves shell, school accent operation, improved production efficiency, make product have interchangeability.
Description of drawings:
Fig. 1 is product differential mechanism half a shell structure schematic diagram of the present invention.
Fig. 2 is the clamping structural representation of differential mechanism half shell of the present invention.
1, semicircle orifice, 2, differential mechanism half shell bottom face, 3. differential mechanism half shell lower end cylindrical, 4, pin-and-hole, 5. rotary table, 6. anchor clamps.
The specific embodiment: the invention will be further described below in conjunction with accompanying drawing;
The processing method of differential mechanism half shell cross shaft hole is characterized in that: with differential mechanism half shell lower end cylindrical 3, differential mechanism half shell bottom face 2 location, be placed in anchor clamps 6 inner chambers, with pin-and-hole 4 and anchor clamps 6 lockings, anchor clamps 6 be fixed on the rotary table 5; Adopt the mode of reaming, heavy boring, right boring to process semicircle orifice 1 successively; Rotary table 5 is set to be revolved differential mechanism half shell automatically and turn 90 degrees; Adopt the mode of reaming, heavy boring, right boring to process semicircle orifice 1 successively; The rest may be inferred, processes four orthogonal semicircle orifices 1, differential mechanism half shell semicircle orifice completion of processing.During concrete enforcement, embodiment: as depicted in figs. 1 and 2, adopt a vertical machining centre that has rotary table, this panoramic table adopts hydraulic type locking, and adopts high-accuracy tooth-like location, positioning accuracy and repetitive positioning accuracy height; Design one is suitable cornish bit, and two adjustable fine boring cutters of machining center, and cutter is fixed on the knife rest; Differential mechanism half shell location is clamped on the anchor clamps 6, by above processing method processing.Differential mechanism left and right sides shell separate machined, employing boring technology is processed the cross shaft hole on the differential casing interface, running accuracy with anchor clamps guarantees four axiality and perpendicularity requirements that cross shaft hole is mutual, accurate to dimension is high and stable, and has interchangeability, reduce cost, improved efficient.
Claims (1)
1. the processing method of differential mechanism half shell cross shaft hole, it is characterized in that: with differential mechanism half shell lower end cylindrical (3), differential mechanism half shell bottom face (2) location, be placed in anchor clamps (6) inner chamber,, anchor clamps (6) be fixed on the rotary table (5) with pin-and-hole (4) and anchor clamps (6) locking; Adopt the mode of reaming, heavy boring, right boring to process semicircle orifice (1) successively; Rotary table (5) is set to be revolved differential mechanism half shell automatically and turn 90 degrees; Adopt the mode of reaming, heavy boring, right boring to process semicircle orifice (1) successively; The rest may be inferred, processes four orthogonal semicircle orifices (1), differential mechanism half shell semicircle orifice completion of processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010530834.5A CN101992309B (en) | 2010-10-25 | 2010-10-25 | The processing method of cross-shaped shaft holes of differential mechanism semi-shells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010530834.5A CN101992309B (en) | 2010-10-25 | 2010-10-25 | The processing method of cross-shaped shaft holes of differential mechanism semi-shells |
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| Publication Number | Publication Date |
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| CN101992309A true CN101992309A (en) | 2011-03-30 |
| CN101992309B CN101992309B (en) | 2016-04-27 |
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| CN201010530834.5A Active CN101992309B (en) | 2010-10-25 | 2010-10-25 | The processing method of cross-shaped shaft holes of differential mechanism semi-shells |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489739A (en) * | 2011-12-29 | 2012-06-13 | 重庆机床(集团)有限责任公司 | Method for processing multi-axis hole system of differential shell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1453089A (en) * | 2003-05-23 | 2003-11-05 | 中国重型汽车集团有限公司 | Technological process of machining cross axle hole of differential |
| CN101555939A (en) * | 2008-04-09 | 2009-10-14 | 朱晓东 | Processing method of front casing of differential mechanism |
| CN101633091A (en) * | 2008-07-21 | 2010-01-27 | 鞠小平 | Method for processing differential case assembly |
| JP4611833B2 (en) * | 2005-07-27 | 2011-01-12 | アイシン高丘株式会社 | Internal processing method and internal processing apparatus for differential case |
-
2010
- 2010-10-25 CN CN201010530834.5A patent/CN101992309B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1453089A (en) * | 2003-05-23 | 2003-11-05 | 中国重型汽车集团有限公司 | Technological process of machining cross axle hole of differential |
| JP4611833B2 (en) * | 2005-07-27 | 2011-01-12 | アイシン高丘株式会社 | Internal processing method and internal processing apparatus for differential case |
| CN101555939A (en) * | 2008-04-09 | 2009-10-14 | 朱晓东 | Processing method of front casing of differential mechanism |
| CN101633091A (en) * | 2008-07-21 | 2010-01-27 | 鞠小平 | Method for processing differential case assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489739A (en) * | 2011-12-29 | 2012-06-13 | 重庆机床(集团)有限责任公司 | Method for processing multi-axis hole system of differential shell |
| CN102489739B (en) * | 2011-12-29 | 2013-05-29 | 重庆机床(集团)有限责任公司 | Method for processing multi-axis hole system of differential shell |
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| Publication number | Publication date |
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| CN101992309B (en) | 2016-04-27 |
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Effective date of registration: 20170905 Address after: Zhongzhou Development Zone in Jingjiang City, Jiangsu province Taizhou city 214500 West Road No. 6 Patentee after: Jiangsu Hengyi auto parts Limited by Share Ltd Address before: Jingjiang City, Jiangsu province 214500 Zhongzhou Road Development Zone No. 6 Patentee before: Ju Xiaoping |
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Address after: 214500 No.6 Zhongzhou West Road, Jingjiang Development Zone, Taizhou City, Jiangsu Province Patentee after: JIANGSU HENGYI AUTOMOBILE FITTINGS MANUFACTURING Co.,Ltd. Address before: 214500 No.6 Zhongzhou West Road, Jingjiang Development Zone, Taizhou City, Jiangsu Province Patentee before: JIANGSU HENGYI AUTO PARTS Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214500 No.6 Zhongzhou West Road, Jingjiang Development Zone, Taizhou City, Jiangsu Province Patentee after: Jiangsu Hengyi Industrial Technology Co.,Ltd. Address before: 214500 No.6 Zhongzhou West Road, Jingjiang Development Zone, Taizhou City, Jiangsu Province Patentee before: JIANGSU HENGYI AUTOMOBILE FITTINGS MANUFACTURING CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |