KR20120068444A - Processing device and method for crankshaft of large ship engine - Google Patents
Processing device and method for crankshaft of large ship engine Download PDFInfo
- Publication number
- KR20120068444A KR20120068444A KR1020100130071A KR20100130071A KR20120068444A KR 20120068444 A KR20120068444 A KR 20120068444A KR 1020100130071 A KR1020100130071 A KR 1020100130071A KR 20100130071 A KR20100130071 A KR 20100130071A KR 20120068444 A KR20120068444 A KR 20120068444A
- Authority
- KR
- South Korea
- Prior art keywords
- crank
- crankshaft
- processing
- journal
- pin
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B13/00—Arrangements for automatically conveying or chucking or guiding stock
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/18—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning crankshafts, eccentrics, or cams, e.g. crankpin lathes
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Abstract
Description
The present invention relates to a crankshaft processing apparatus and method for a large marine engine. More specifically, each journal processing device is configured to process a plurality of crankshafts, and by sharing one pin turning device, the machining time of the crankshaft can be shortened, thereby enabling more efficient work and increasing productivity of the crankshaft. A crankshaft processing apparatus and method for a large marine engine that can be improved.
In general, the crank shaft is supported by a bearing in the crank chamber of the engine and is connected to the lower end of the piston reciprocating up and down by a connecting rod, thereby converting the reciprocating motion of the piston into a rotary motion. As a main component of an engine for converting, a crankshaft processing apparatus and a processing method that can be directly applied to a ship have been proposed.
1 and 2 is a view showing a crankshaft processing apparatus according to the prior art.
As shown in the drawing, the crankshaft processing apparatus according to the related art includes a
As described above, the crankshaft processing apparatus as described above is capable of general turning by the
In addition, while the
In order to solve this problem, the present invention is configured by each journal processing device to process a plurality of crankshaft, by sharing a pin turning device to shorten the machining time of the crankshaft, it is possible to work more efficiently The purpose is to improve the productivity of the crankshaft.
In addition, an object of the present invention is to shorten the processing time of the crankshaft to improve the efficiency and productivity of the operation and at the same time to reduce the installation cost of the crankshaft processing apparatus and the mechanical equipment cost.
In order to achieve the above object, the present invention provides a crankshaft for a large marine engine for processing a plurality of crankshafts including a crank pin to which the opposite end of the piston of the connecting rod is coupled, and a crank journal serving as a rotation center of each crank pin. An apparatus comprising: a first work bed rotatably inserted into one end of a first crank shaft to support a first crank shaft, a first journal processing device for processing a crank journal of the first crank shaft, and the crank pin A first processing apparatus including a first carriage bed configured with a transfer apparatus configured to transfer a pin turning apparatus for processing a workpiece; And a second work bed configured at a position corresponding to the first processing device, the second crank shaft rotatably inserted and fixed, a second journal processing device for processing the crank journal of the second crank shaft, and the transfer. It provides a crankshaft processing apparatus for a large marine engine, characterized in that it comprises a second plant is connected to the first carriage bed by the device is the pin turning device is conveyed.
In addition, in the present invention, the first work bed may include a first headstock in which one end of the first crank shaft is rotatably inserted; A first centering device for rotatably supporting the other end of the first crankshaft; It is provided between the first centering device and the first headstock provides a crankshaft processing apparatus for a large marine engine, characterized in that it comprises a first dustproof opening for supporting a first crankshaft.
In addition, in the present invention, the second work bed may include a second headstock in which one end of the second crankshaft is rotatably inserted; A second centering device for rotatably supporting the other end of the second crankshaft; It is provided between the second centering device and the second headstock provides a crankshaft processing apparatus for a large marine engine, characterized in that it comprises a second dustproof opening for supporting a second crankshaft.
In addition, in the present invention, the pin turning device is transferred to the first processing device when the crank journal of the first crankshaft is completed, to process the crank pin of the first crankshaft, the crank of the second crankshaft When the processing of the journal is completed, it is transferred to the second processing apparatus to provide a crankshaft processing apparatus for a large marine engine, characterized in that for processing the crank pin of the second crankshaft.
Further, in the present invention, a plurality of crankshafts are provided by a first processing device for processing the crank journal of the first crankshaft, a second processing device for processing the crank journal of the second crankshaft, and a shared pin turning device. A crankshaft processing method for a large marine engine for processing a crank pin, the method comprising the steps of: (a) machining each crank journal configured in the first crank shaft and the second crank shaft; (b) when machining of the crank journal of the first crankshaft is completed, transferring the pin turning device to process the crank pins of the first crankshaft; (c) confirming a machining progress state of the crank journal of the second crankshaft; (d) processing the crank journal of the second crankshaft when the crank journal of the second crankshaft is completed, transferring the pin turning device to the second crankshaft side to process the crank pin of the second crankshaft; (e) When machining of the crank journal and crank pin of the first crank shaft is completed, dismantle it from the first processing device, and attach the third crank shaft to the first processing device to remove the crank journal of the third crank shaft. Processing; (f) When machining of the crank journal and the crank pin of the second crankshaft is completed, dismantle it from the second processing apparatus, couple the fourth crank shaft to the second processing apparatus, and replace the crank journal of the fourth crank shaft. It provides a crankshaft processing method for a large marine engine comprising a; processing.
In the present invention, the step (c) is characterized in that the pin turning device waits between the first processing device and the second processing device when the processing of the crank journal of the second crankshaft is not completed. It provides a crankshaft processing method for a large ship engine.
According to the present invention, each journal processing device is configured to process a plurality of crankshaft, by sharing one pin turning device to shorten the processing time of the crankshaft, more efficient work, as well as crankshaft This has the effect of improving the productivity.
In addition, according to the present invention, it is possible to shorten the processing time of the crankshaft to improve work efficiency and productivity, and at the same time reduce the installation cost of the crankshaft processing apparatus as well as the mechanical equipment cost.
1 is a plan view showing a crankshaft processing apparatus for processing a crank journal according to the prior art,
Figure 2 is a plan view showing a crankshaft processing apparatus for processing a crank pin according to the prior art,
3 shows a crankshaft according to a preferred embodiment of the present invention;
4 is a plan view showing a crankshaft processing apparatus according to a preferred embodiment of the present invention,
Figure 5 is a side view showing a crankshaft processing apparatus for processing a crank journal through a crankshaft processing apparatus according to a preferred embodiment of the present invention,
Figure 6 is a side view showing a crankshaft processing apparatus for processing a crank pin through a crankshaft processing apparatus according to a preferred embodiment of the present invention,
7 is a flow chart showing a process of operating the crankshaft processing apparatus according to a preferred embodiment of the present invention,
8 to 11 is a view showing a process of operating the crankshaft processing apparatus according to a preferred embodiment of the present invention.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in adding reference numerals to the elements of each drawing, it should be noted that the same reference numerals are used to refer to the same elements even though they are shown in different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.
3 is a view showing a crank shaft according to a preferred embodiment of the present invention. In addition, Figure 4 is a plan view showing a crankshaft processing apparatus according to a preferred embodiment of the present invention, Figure 5 shows a crankshaft processing apparatus for processing a crank journal through a crankshaft processing apparatus according to a preferred embodiment of the present invention. 6 is a side view illustrating a crankshaft processing apparatus for processing a crank pin through a crankshaft processing apparatus according to a preferred embodiment of the present invention. In addition, Figure 7 is a flow chart showing a process of operating the crankshaft processing apparatus according to a preferred embodiment of the present invention, Figures 8 to 11 shows a process of operating the crankshaft processing apparatus according to a preferred embodiment of the present invention. Drawing.
As shown, the
According to the present invention configured as described above, each
The
The
That is, in the crankshaft processing apparatus of the present invention, a plurality of
The crankshaft processing apparatus according to the present invention configured as described above is the first through the
That is, since the
In addition, as shown in FIG. 6, when machining the
That is, since the
Here, the
It is installed in connection with the
As illustrated in FIG. 8, the crankshaft processing apparatus of the present invention configured as described above may reduce the processing time of the crankshaft to improve the efficiency and productivity of the first and
When the installation of the plurality of crankshafts described above is completed, the respective crank
That is, the
In addition, the
Subsequently, when the
In addition, when the position of the
At this time, if the processing of the second crank journal 360 is in progress, it is preferable to wait between the
When it is confirmed that the processing of the second crank journal 360 of the
When the
This is because the dismantling and installation work proceeds while the
In addition, according to the processing procedure of the
In addition, it is checked whether the processing of the
And, if the processing of the
Subsequently, as described above, the
The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and variations without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas falling within the scope of the same shall be construed as falling within the scope of the present invention.
200: first processing device 202: first work bed
204: first carriage bed 206: first crankshaft
210: first headstock 220: first centering device
230: first dustproof outlet 240: first journal processing apparatus
250: pin turning device 260: first crank journal
270: first crank pin 280: first crank arm
290: transfer device 300: second processing device
400: third crankshaft 500: fourth crankshaft
Claims (6)
A first work bed to which one end of the first crank shaft is rotatably inserted to support the first crank shaft, a first journal processing device to process the crank journal of the first crank shaft, and a pin to process the crank pin A first processing device including a carriage bed configured to transfer a turning device; And
A second work bed configured at a position corresponding to the first processing device, the second crank shaft rotatably inserted and fixed, a second journal processing device for processing the crank journal of the second crank shaft, and the transfer device; The second processing device which is connected to the carriage bed by the pin turning device is transferred
Crankshaft processing apparatus for a large ship engine comprising a.
The first work bed
A first headstock in which one end of the first crank shaft is rotatably inserted and fixed;
A first centering device for rotatably supporting the other end of the first crankshaft;
A first anti-vibration port configured between the first centering device and the first headstock to support a first crankshaft
Crankshaft processing apparatus for a large ship engine comprising a.
The second work bed
A second headstock in which one end of the second crank shaft is rotatably inserted and fixed;
A second centering device for rotatably supporting the other end of the second crankshaft;
A second anti-vibration port configured between the second centering device and a second headstock to support a second crankshaft
Crankshaft processing apparatus for a large ship engine comprising a.
The pin turning device is transferred to the first processing device when the crank journal of the first crank shaft is completed, the crank pin of the first crank shaft is processed, and when the crank journal of the second crank shaft is completed, Crankshaft processing apparatus for a large marine engine, characterized in that the transfer to the second processing device to process the crank pin of the second crankshaft.
(a) machining each crank journal configured in the first crank shaft and the second crank shaft;
(b) when the crank journal processing of the first crank shaft is completed, transferring the pin turning device to process the crank pin of the first crank shaft;
(c) confirming a machining progress state of the crank journal of the second crankshaft;
(d) processing the crank journal of the second crankshaft when the crank journal of the second crankshaft is completed, transferring the pin turning device to the second crankshaft side to process the crank pin of the second crankshaft;
(e) When machining of the crank journal and crank pin of the first crank shaft is completed, dismantle it from the first processing device, and attach the third crank shaft to the first processing device to remove the crank journal of the third crank shaft. Processing;
(f) When machining of the crank journal and the crank pin of the second crankshaft is completed, dismantle it from the second processing apparatus, couple the fourth crank shaft to the second processing apparatus, and replace the crank journal of the fourth crank shaft. Processing;
Crankshaft processing method for a large ship engine comprising a.
The step (c)
And when the machining of the crank journal of the second crankshaft is not completed, the pin turning device waits between the first processing device and the second processing device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100130071A KR101230579B1 (en) | 2010-12-17 | 2010-12-17 | Processing Device And Method for Crankshaft of Large Ship Engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100130071A KR101230579B1 (en) | 2010-12-17 | 2010-12-17 | Processing Device And Method for Crankshaft of Large Ship Engine |
Publications (2)
Publication Number | Publication Date |
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KR20120068444A true KR20120068444A (en) | 2012-06-27 |
KR101230579B1 KR101230579B1 (en) | 2013-02-14 |
Family
ID=46687123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020100130071A KR101230579B1 (en) | 2010-12-17 | 2010-12-17 | Processing Device And Method for Crankshaft of Large Ship Engine |
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KR (1) | KR101230579B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101535955B1 (en) * | 2014-05-09 | 2015-07-10 | 한국정밀기계(주) | Pin Part Processing Device of Large Crankshaft |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5852761B2 (en) * | 1979-03-30 | 1983-11-25 | 株式会社小松製作所 | crankshaft processing machine |
JP2000317702A (en) * | 1999-05-13 | 2000-11-21 | Komatsu Koki Kk | Turning machine |
JP4774962B2 (en) * | 2005-04-11 | 2011-09-21 | 日産自動車株式会社 | Crankshaft machining method and machine |
-
2010
- 2010-12-17 KR KR1020100130071A patent/KR101230579B1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101535955B1 (en) * | 2014-05-09 | 2015-07-10 | 한국정밀기계(주) | Pin Part Processing Device of Large Crankshaft |
Also Published As
Publication number | Publication date |
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KR101230579B1 (en) | 2013-02-14 |
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