CN105690034A - Integral machining technique for left box part and right box part of small gasoline engine box body - Google Patents
Integral machining technique for left box part and right box part of small gasoline engine box body Download PDFInfo
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- CN105690034A CN105690034A CN201610100286.XA CN201610100286A CN105690034A CN 105690034 A CN105690034 A CN 105690034A CN 201610100286 A CN201610100286 A CN 201610100286A CN 105690034 A CN105690034 A CN 105690034A
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- box part
- left box
- box body
- carries out
- right box
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention relates to the technical field of gasoline engine machining, in particular to an integral machining technique for a left box part and a right box part of a small gasoline engine box body. The integral machining technique comprises the following operation steps that firstly, positioning pin holes are drilled in the left box part and the right box part correspondingly through a numerical-control machining center; secondly, the left box part and the right box part are subjected to drilling and tapping through the numerical-control machining center; thirdly, a junction surface of the left box part is turned; fourthly, the bottom face and a seam allowance of the right box part are turned; fifthly, a junction surface of the right box part is turned; sixthly, the left box part and the right box part are assembled; and seventhly, bearing holes and oil seal holes are bored in the assembled combined box through a rough boring cutter and a fine boring cutter correspondingly through a vertical machining center. By the adoption of the integral machining technique, the coaxiality of the bearing holes and the oil seal holes of the left box part and the right box part is improved, and the dimension precision and the flatness of a cylinder surface are improved, so that the problems that an engine vibrates, the noise is high, a cylinder is sealed, and the power cannot be improved due to the disalignment of crankshaft installation are solved.
Description
Technical field
The present invention relates to gasoline engine processing technique field, be specifically related to a kind of small gasoline cabinet bulk left and right box integral processing。
Background technology
At present, the processing of existing small gasoline cabinet bulk left and right box is to adopt following technique: left case technique: bore positioning hole drilling tapping--car faying face car car (or boring) dead eye, the boring of cylinder face, oil sealing hole milling cylinder face, tapping；Right case technique: bore positioning hole drilling tapping-underbody plane, seam car faying face--car (or boring) dead eye, the boring of cylinder face, oil sealing hole milling cylinder face, tapping。Above-mentioned this technique, after mould assembling is installed, left and right box dead eye, oil sealing hole axiality are poor, and cylinder plane flatness does not reach requirement, and after causing that bent axle and cylinder are installed, whole engine luggine and noise are big, and cylinder face seal is poor, and power does not increase。
Summary of the invention
It is an object of the invention to provide a kind of axiality being effectively increased left and right box dead eye, oil sealing hole, the dimensional accuracy in cylinder face and flatness, thus eliminating because crankshaft installed is not coaxial, causing that engine luggine, noise are big, cylinder seal, power such as do not increase at the type gasoline engine casing left and right box integral processing of problem。
In order to solve the problem existing for background technology, the present invention is by the following technical solutions: a kind of small gasoline cabinet bulk left and right box integral processing, including following operating procedure:
The first step, adopts numerical control machining center to carry out left box body and right case respectively boring dowel hole；
Second step, adopts numerical control machining center respectively left box body and right case to be carried out drilling and tapping；
3rd step, carries out car faying face by left box body；
4th step, carries out underbody face, seam by right case；
5th step, carries out car faying face by right case；
6th step, assembles above-mentioned left box body and right case；
7th step, is respectively adopted rough boring cutter and fine boring cutter in vertical machining centre and the mould assembling after above-mentioned assembling is carried out boring dead eye, oil sealing hole；
8th step, carries out the processing of cylinder face to above-mentioned mould assembling in CNC milling machine；
9th step, finally carries out the boring of cylinder face, tapping to mould assembling。
Further, in described 7th step, adopt left and right dead eye, oil sealing hole one-shot forming technique。
The method have the advantages that a kind of small gasoline cabinet bulk of the present invention is left, right case integral processing, by at left case, a left side is adopted after right boxcar faying face, Y-axis bearing bore is processed in right case mould assembling in vertical machining centre, oil sealing hole one-shot forming technique, overall processing left and right case cylinder face in CNC milling machine, so it is effectively increased a left side, right axle box bearing hole, the axiality of oil sealing hole, the dimensional accuracy in cylinder face and flatness, thus eliminating because crankshaft installed is not coaxial, cause engine luggine, noise is big, cylinder seal, the problems such as power does not increase。It addition, this small gasoline cabinet bulk left and right box overall processing center size is easy to adjust, simple, improves productivity effect, decrease equipment, cost of labor, reduce labor intensity。
Accompanying drawing explanation
Fig. 1 is the process chart of the present invention。
Detailed description of the invention
With reference to Fig. 1, this detailed description of the invention by the following technical solutions: a kind of small gasoline cabinet bulk left and right box integral processing, including following operating procedure:
The first step, adopts numerical control machining center to carry out left box body and right case respectively boring dowel hole；
Second step, adopts numerical control machining center respectively left box body and right case to be carried out drilling and tapping；
3rd step, carries out car faying face by left box body；
4th step, carries out underbody face, seam by right case；
5th step, carries out car faying face by right case；
6th step, assembles above-mentioned left box body and right case；
7th step, is respectively adopted rough boring cutter and fine boring cutter in vertical machining centre and the mould assembling after above-mentioned assembling is carried out boring dead eye, oil sealing hole；
8th step, carries out the processing of cylinder face to above-mentioned mould assembling in CNC milling machine；
9th step, finally carries out the boring of cylinder face, tapping to mould assembling。
Wherein, in described 7th step, adopt left and right dead eye, oil sealing hole one-shot forming technique, simultaneously in order to improve efficiency, devise left and right dead eye, oil sealing hole three hole one-shot forming boring cutter。It addition, its molding boring cutter adopts adjustable, so make machining center size adjusting convenient, simple。
In sum, this small gasoline cabinet bulk left and right box integral processing is effectively increased the axiality of left and right box dead eye, oil sealing hole, the dimensional accuracy in cylinder face and flatness, thus eliminating because crankshaft installed is not coaxial, causing that engine luggine, noise are big, cylinder seal, power such as do not increase at the problem。
What finally illustrate is, above example is only in order to illustrate technical scheme and unrestricted, other amendments that technical scheme is made by those of ordinary skill in the art or equivalent replace, without departing from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of scope of the presently claimed invention。
Claims (2)
1. a small gasoline cabinet bulk left and right box integral processing, it is characterised in that include following operating procedure:
The first step, adopts numerical control machining center to carry out left box body and right case respectively boring dowel hole；
Second step, adopts numerical control machining center respectively left box body and right case to be carried out drilling and tapping；
3rd step, carries out car faying face by left box body；
4th step, carries out underbody face, seam by right case；
5th step, carries out car faying face by right case；
6th step, assembles above-mentioned left box body and right case；
7th step, is respectively adopted rough boring cutter and fine boring cutter in vertical machining centre and the mould assembling after above-mentioned assembling is carried out boring dead eye, oil sealing hole；
8th step, carries out the processing of cylinder face to above-mentioned mould assembling in CNC milling machine；
9th step, finally carries out the boring of cylinder face, tapping to mould assembling。
2. a kind of small gasoline cabinet bulk left and right box integral processing according to claim 1, it is characterised in that in described 7th step, adopt left and right dead eye, oil sealing hole one-shot forming technique。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610100286.XA CN105690034A (en) | 2016-02-24 | 2016-02-24 | Integral machining technique for left box part and right box part of small gasoline engine box body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610100286.XA CN105690034A (en) | 2016-02-24 | 2016-02-24 | Integral machining technique for left box part and right box part of small gasoline engine box body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105690034A true CN105690034A (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610100286.XA Pending CN105690034A (en) | 2016-02-24 | 2016-02-24 | Integral machining technique for left box part and right box part of small gasoline engine box body |
Country Status (1)
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| CN (1) | CN105690034A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670747A (en) * | 2016-12-29 | 2017-05-17 | 芜湖华亨汽车部件有限公司 | Process for manufacturing central valve-type master cylinder provided with double-diaphragm booster |
| CN107116342A (en) * | 2017-05-30 | 2017-09-01 | 胡建锋 | A kind of crankcase mechanical processing technique |
| CN109773431A (en) * | 2019-03-29 | 2019-05-21 | 中信戴卡股份有限公司 | The processing method of the split type cowl hood cap assemblies of engine |
Citations (5)
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| JP3087106B2 (en) * | 1995-07-28 | 2000-09-11 | 株式会社クボタ | Crankcase integrated cylinder block |
| CN102733988A (en) * | 2011-04-15 | 2012-10-17 | 江苏林海动力机械集团公司 | Universal small petrol engine tank structure |
| CN102935584A (en) * | 2012-11-21 | 2013-02-20 | 武汉船用机械有限责任公司 | Method for machining oil distributor shell |
| CN103244654A (en) * | 2013-03-25 | 2013-08-14 | 杭州发达齿轮箱集团有限公司 | High-power double-reduction-ratio marine gearbox body and processing method thereof |
| CN204235234U (en) * | 2014-12-03 | 2015-04-01 | 临沂照华动力机械有限公司 | A kind of cylinder bore finishing fixture |
-
2016
- 2016-02-24 CN CN201610100286.XA patent/CN105690034A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3087106B2 (en) * | 1995-07-28 | 2000-09-11 | 株式会社クボタ | Crankcase integrated cylinder block |
| CN102733988A (en) * | 2011-04-15 | 2012-10-17 | 江苏林海动力机械集团公司 | Universal small petrol engine tank structure |
| CN102935584A (en) * | 2012-11-21 | 2013-02-20 | 武汉船用机械有限责任公司 | Method for machining oil distributor shell |
| CN103244654A (en) * | 2013-03-25 | 2013-08-14 | 杭州发达齿轮箱集团有限公司 | High-power double-reduction-ratio marine gearbox body and processing method thereof |
| CN204235234U (en) * | 2014-12-03 | 2015-04-01 | 临沂照华动力机械有限公司 | A kind of cylinder bore finishing fixture |
Non-Patent Citations (1)
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| 叶文华等: "《机械制造工艺与装备》", 28 February 2011, 哈尔滨工业大学出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670747A (en) * | 2016-12-29 | 2017-05-17 | 芜湖华亨汽车部件有限公司 | Process for manufacturing central valve-type master cylinder provided with double-diaphragm booster |
| CN106670747B (en) * | 2016-12-29 | 2019-11-15 | 芜湖华亨汽车部件有限公司 | A kind of double diaphragm strengthener manufacturing process of center valve type master cylinder band |
| CN107116342A (en) * | 2017-05-30 | 2017-09-01 | 胡建锋 | A kind of crankcase mechanical processing technique |
| CN109773431A (en) * | 2019-03-29 | 2019-05-21 | 中信戴卡股份有限公司 | The processing method of the split type cowl hood cap assemblies of engine |
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Application publication date: 20160622 |