CN107350739A - A kind of processing method of engine connecting rod - Google Patents
A kind of processing method of engine connecting rod Download PDFInfo
- Publication number
- CN107350739A CN107350739A CN201710396741.XA CN201710396741A CN107350739A CN 107350739 A CN107350739 A CN 107350739A CN 201710396741 A CN201710396741 A CN 201710396741A CN 107350739 A CN107350739 A CN 107350739A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- milling
- face
- gonnecting
- finish
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
-
- 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
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/04—Connecting rods
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The present invention provides a kind of processing method of engine connecting rod, is related to engine link processing technique field, 1) large end face and small end face of connecting rod are rough milled；2) the pre- hole of milling wrist-pin hole, thick, the small head bore of half right boring are inserted；3) connecting rod is divided into gonnecting rod body and connecting rod cap；4) gonnecting rod body is positioned, gonnecting rod body Hough face rough milled, finish-milling, bored the oilhole of gonnecting rod body small end, the big end back inclined oil hole of air of milling, bore inclined oil hole of air, inclined oil hole of air inside the big end of milling, bore inclined oil hole of air；5) thick, finish-milling connecting rod cap breathes out furan face, thick, finish-milling bowl cover omoplate face, transition arc at milling connecting rod cap omoplate face, bores big-end bolt hole；6) roll flute is carried out to Hough face on gonnecting rod body and connecting rod cap；7) stub end of finish-milling connecting rod and small end surface；8) half right boring, right boring crank bore and small stomidium, production and processing process of the present invention to connecting rod are reintegrated, and effectively increase the processing speed and machining accuracy of connecting rod.
Description
Technical field
The present invention relates to engine link processing technique field, and in particular to a kind of processing method of engine connecting rod.
Background technology
Connecting rod is one of extremely important driving member in diesel engine, is the component for connecting piston and Crankshaft motion.
Mainly being manufactured by casting, machining mode for connecting rod, needs to carry out on spray in machining process
Multi-step process, and the design of these manufacturing procedures also directly affects the processing efficiency and machining accuracy of connecting rod.Existing skill
Machining processes design method in art is varied, of the invention then need special design one kind to be applied to marine engine connecting rod
Machining processes.
This is directed to, it is necessary to make improvement.
The content of the invention
The invention provides a kind of processing method of engine connecting rod that can improve Machining of Connecting Rod precision and efficiency.
A kind of processing method of engine connecting rod, comprises the following steps：
1) connecting rod is positioned, for rough milling the large end face and small end face of connecting rod；
2) the pre- hole of milling wrist-pin hole, thick, the small head bore of half right boring, and the pre- hole of the big stomidium of slotting milling, thick, half right boring major part are inserted
Hole；
3) connecting rod is positioned, for connecting rod to be divided into gonnecting rod body and connecting rod cap；
4) gonnecting rod body is positioned, gonnecting rod body Hough face rough milled, finish-milling, bore the oilhole of gonnecting rod body small end, milling
It is big to hold back inclined oil hole of air, bore inclined oil hole of air, inclined oil hole of air, brill inclined oil hole of air inside the big end of milling；
5) connecting rod cap is positioned, thick, finish-milling connecting rod cap breathes out furan face, thick, finish-milling bowl cover omoplate face, milling connecting rod cap omoplate
Transition arc at face, bore big-end bolt hole；
6) roll flute is carried out to Hough face on gonnecting rod body and connecting rod cap；
7) connecting rod is positioned, the stub end of finish-milling connecting rod and small end surface；
8) connecting rod is positioned, half right boring, right boring crank bore and small stomidium.
Further, step is also included between step and step：
1a) connecting rod is placed on three jack of horizontal table, connecting rod upper surface level height is smoothed with height gauge,
With face mold each center line is drawn in benchmark surface side.
Further, step is also included between the step and step：
6a) connecting rod is assembled, gonnecting rod body and assembling link lever cover are got up.
The advantage of the invention is that：Production and processing process of the present invention to connecting rod is reintegrated, the company of effectively increasing
The processing speed and machining accuracy of bar.
Brief description of the drawings
Fig. 1 is the top view of the connecting rod in step 1)；
Fig. 2 is the top view of connecting rod in step 3)；
Fig. 3 is the top view of gonnecting rod body in step 4)；
Fig. 4 is the top view of connecting rod cap in step 5)；
Fig. 5 is the front view of connecting rod cap in step 5)；
Fig. 6 is the top view of connecting rod in step 7)；
Fig. 7 is the top view of connecting rod in step 8).
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
With reference to accompanying drawing, a kind of processing method of engine connecting rod of the present invention, comprise the following steps：
1) connecting rod 20 is positioned, for rough milling the large end face 201 and small end face 202 of connecting rod 20；
2) the 20 small pre- hole of stomidium of milling connecting rod, thick, the small head bore of half right boring, and the pre- hole of the big stomidium of slotting milling are inserted, it is thick, half right boring is big
Head bore；
3) connecting rod 20 is positioned, for connecting rod 20 to be divided into gonnecting rod body 21 and connecting rod cap 22；
4) gonnecting rod body 21 is positioned, the Hough face of gonnecting rod body 21 rough milled, finish-milling, bore the oil of the small end of gonnecting rod body 21
Hole 211, the big end back inclined oil hole of air 212 of milling, inclined oil hole of air 212 is bored, inclined oil hole of air 213 inside the big end of milling, bore inclined oil hole of air 213；
5) connecting rod cap 22 is positioned, the thick, Kazakhstan of finish-milling connecting rod cap 22 furan face 221, thick, the omoplate face 222 of finish-milling bowl cover 22,
Transition arc 223 at the shoulder blade face of milling connecting rod cap shoulder 22, bore big-end bolt hole 224；
6) roll flute is carried out to Hough face on gonnecting rod body 21 and connecting rod cap 22；
7) connecting rod 20 is positioned, the stub end 201 and small end surface 202 of finish-milling connecting rod 20；
8) connecting rod 20 is positioned, half right boring, the big stomidium 24 of right boring connecting rod 20 and small stomidium 25.
Further, step is also included between step 1 and step 2：
1a) connecting rod is placed on three jack of horizontal table, connecting rod upper surface level height is smoothed with height gauge,
With face mold each center line is drawn in benchmark surface side.
Further, step is also included between the step 6 and step 7：
6a) connecting rod is assembled, gonnecting rod body and assembling link lever cover are got up.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these modification or
Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (3)
1. a kind of processing method of engine connecting rod, it is characterised in that comprise the following steps：
1) connecting rod (20) is positioned, rough mills the large end face (201) and small end face (202) of connecting rod (20)；
2) milling connecting rod (20) pre- hole of small stomidium, thick, the small head bore of half right boring, and the pre- hole of the big stomidium of slotting milling, thick, half right boring major part are inserted
Hole；
3) connecting rod (20) is positioned, connecting rod (20) is divided into gonnecting rod body (21) and connecting rod cap (22)；
4) gonnecting rod body (21) is positioned, gonnecting rod body (21) Hough face rough milled, finish-milling, bore gonnecting rod body (21) small end
Oilhole (211), the big end back inclined oil hole of air (212) of milling, inclined oil hole of air (212) is bored, inclined oil hole of air (213) inside the big end of milling, bore tiltedly oil
Hole (213)；
5) connecting rod cap (22) is positioned, thick, finish-milling connecting rod cap (22) breathes out furan face (221), thick, finish-milling bowl cover (22) omoplate face
(222), transition arc (223) at milling connecting rod cap shoulder (22) shoulder blade face, bore big-end bolt hole (224)；
6) roll flute is carried out to Hough face on gonnecting rod body (21) and connecting rod cap (22)；
7) connecting rod (20) is positioned, the stub end (201) and small end surface (202) of finish-milling connecting rod (20)；
8) connecting rod (20) is positioned, half right boring, the big stomidium (24) of right boring connecting rod (20) and small stomidium (25).
A kind of 2. processing method of engine connecting rod according to claim 1, it is characterised in that step 1) and step 2) it
Between also include step：
1a) connecting rod is placed on three jack of horizontal table, connecting rod upper surface level height is smoothed with height gauge, with drawing
Line tempte draws each center line in benchmark surface side.
3. a kind of processing method of engine connecting rod according to claim 1, it is characterised in that the step 6) and step 7)
Between also include step：
6a) connecting rod is assembled, gonnecting rod body and assembling link lever cover are got up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710396741.XA CN107350739A (en) | 2017-05-31 | 2017-05-31 | A kind of processing method of engine connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710396741.XA CN107350739A (en) | 2017-05-31 | 2017-05-31 | A kind of processing method of engine connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107350739A true CN107350739A (en) | 2017-11-17 |
Family
ID=60271053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710396741.XA Pending CN107350739A (en) | 2017-05-31 | 2017-05-31 | A kind of processing method of engine connecting rod |
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| CN (1) | CN107350739A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434189A (en) * | 2018-11-01 | 2019-03-08 | 浙江合奥机械科技有限公司 | One kind processing complete connecting rod workpiece flank of tooth broaching machine automatically |
| CN109530772A (en) * | 2018-11-30 | 2019-03-29 | 安庆中船动力配套有限公司 | A kind of high-accuracy tooth Profile Machining technique of connecting rod and special fixture |
| CN111822950A (en) * | 2020-06-28 | 2020-10-27 | 上海中船三井造船柴油机有限公司 | Method for machining cross head end bearing hole of marine diesel engine connecting rod |
| CN112264647A (en) * | 2020-09-04 | 2021-01-26 | 山东国晶新材料有限公司 | Machining method of arc-shaped clamping rod |
| CN112901641A (en) * | 2021-01-18 | 2021-06-04 | 浙江九龙机械有限公司 | Connecting rod and machining process thereof |
| CN113146154A (en) * | 2021-04-12 | 2021-07-23 | 徐州新大隆化工泵业制造有限公司 | Processing technology of connecting rod of high-pressure plunger pump |
| CN113927469A (en) * | 2021-10-20 | 2022-01-14 | 陕西柴油机重工有限公司 | Method for controlling strengthening shot blasting deformation of inner hole of large end of connecting rod of marine diesel engine |
| CN114102543A (en) * | 2021-11-29 | 2022-03-01 | 重庆跃进机械厂有限公司 | Method for marking processing reference of fracturing pump connecting rod |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07100712A (en) * | 1993-09-30 | 1995-04-18 | Toyota Motor Corp | Manufacture of aluminum alloy system connecting rod |
| CN101498335A (en) * | 2009-01-21 | 2009-08-05 | 重庆江增机械有限公司 | Method for manufacturing diesel engine connecting bar |
| CN104907766A (en) * | 2014-03-15 | 2015-09-16 | 陕西柴油机重工有限公司 | Group technology machining method of connecting rods |
| CN105196013A (en) * | 2015-09-23 | 2015-12-30 | 四川飞亚汽车零部件有限公司 | Novel machining technology for connecting rod |
-
2017
- 2017-05-31 CN CN201710396741.XA patent/CN107350739A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07100712A (en) * | 1993-09-30 | 1995-04-18 | Toyota Motor Corp | Manufacture of aluminum alloy system connecting rod |
| CN101498335A (en) * | 2009-01-21 | 2009-08-05 | 重庆江增机械有限公司 | Method for manufacturing diesel engine connecting bar |
| CN104907766A (en) * | 2014-03-15 | 2015-09-16 | 陕西柴油机重工有限公司 | Group technology machining method of connecting rods |
| CN105196013A (en) * | 2015-09-23 | 2015-12-30 | 四川飞亚汽车零部件有限公司 | Novel machining technology for connecting rod |
Non-Patent Citations (2)
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| 孔晓凤等: "浅谈连杆结合面齿形的加工方法", 《拖拉机与农用运输车》 * |
| 张学华: "连杆制造工艺技术及改善", 《柴油机设计与制造》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434189A (en) * | 2018-11-01 | 2019-03-08 | 浙江合奥机械科技有限公司 | One kind processing complete connecting rod workpiece flank of tooth broaching machine automatically |
| CN109434189B (en) * | 2018-11-01 | 2019-11-05 | 浙江合奥机械科技有限公司 | One kind processing complete connecting rod workpiece flank of tooth broaching machine automatically |
| CN109530772A (en) * | 2018-11-30 | 2019-03-29 | 安庆中船动力配套有限公司 | A kind of high-accuracy tooth Profile Machining technique of connecting rod and special fixture |
| CN111822950A (en) * | 2020-06-28 | 2020-10-27 | 上海中船三井造船柴油机有限公司 | Method for machining cross head end bearing hole of marine diesel engine connecting rod |
| CN112264647A (en) * | 2020-09-04 | 2021-01-26 | 山东国晶新材料有限公司 | Machining method of arc-shaped clamping rod |
| CN112901641A (en) * | 2021-01-18 | 2021-06-04 | 浙江九龙机械有限公司 | Connecting rod and machining process thereof |
| CN112901641B (en) * | 2021-01-18 | 2022-07-12 | 浙江九龙机械有限公司 | Connecting rod and machining process thereof |
| CN113146154A (en) * | 2021-04-12 | 2021-07-23 | 徐州新大隆化工泵业制造有限公司 | Processing technology of connecting rod of high-pressure plunger pump |
| CN113927469A (en) * | 2021-10-20 | 2022-01-14 | 陕西柴油机重工有限公司 | Method for controlling strengthening shot blasting deformation of inner hole of large end of connecting rod of marine diesel engine |
| CN113927469B (en) * | 2021-10-20 | 2024-05-24 | 陕西柴油机重工有限公司 | Method for controlling strengthening shot peening deformation of large end inner hole of marine diesel engine connecting rod |
| CN114102543A (en) * | 2021-11-29 | 2022-03-01 | 重庆跃进机械厂有限公司 | Method for marking processing reference of fracturing pump connecting rod |
| CN114102543B (en) * | 2021-11-29 | 2024-04-12 | 重庆跃进机械厂有限公司 | Method for scribing machining reference of connecting rod of fracturing pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171117 |