CN103128313B - Method and fixture using vertical lathe to machine excavator rocker arm frame main driving hole - Google Patents
Method and fixture using vertical lathe to machine excavator rocker arm frame main driving hole Download PDFInfo
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- CN103128313B CN103128313B CN201210296159.3A CN201210296159A CN103128313B CN 103128313 B CN103128313 B CN 103128313B CN 201210296159 A CN201210296159 A CN 201210296159A CN 103128313 B CN103128313 B CN 103128313B
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- arm frame
- fixture
- pivoted arm
- main transmission
- vertical lathe
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Abstract
The invention discloses a method and a fixture using a vertical lathe to machine an excavator rocker arm frame main driving hole. A basic circle which is larger than the main driving hole in diameter is drawn manually on a position, where the main driving hole needs to be machined, on the bottom end surface of a blank part of an excavator rocker arm frame, a positioning boss ring is machined on the blank part, then the blank part is taken off from the vertical lathe, the fixture of the excavator rocker arm frame main driving hole is installed and fixed on the vertical lathe, the positioning boss ring on the blank part is inserted into a positioning boss hole in a base, the bottom end surface of the blank part and the end surface of the base are mutually attached for positioning, one side of the blank part abuts against a positioning stop pin tightly, a platen is used for pressing the blank part firmly, the main driving hole of the rocker arm frame is machined, and machining accuracy of the excavator rocker arm frame main driving hole is ensured. The method and a fixture using the vertical lathe to machine the excavator rocker arm frame main driving hole have the advantages of being simple in structure, capable of bringing convenience to machining, ingenious in design, safe and reliable, rapid in clamping and positioning, and capable of ensuring machining accuracy of the rocker arm frame.
Description
Technical field
A kind of method and fixture adopting vertical lathe processing excavator pivoted arm frame main transmission hole of the present invention, belongs to lathe cutting techniques field.
Background technology
At present, pivoted arm frame is excavator key components and parts, pivoted arm frame is divided into left-hand rotation jib and right-hand rotation jib, due to its shape misconduct, be difficult to clamping, in process again to its main transmission hole machined (this main transmission hole is and pivoted arm connecting rod assembly mating holes), due to location difficulty, working (machining) efficiency is extremely low, quality is difficult to again ensure, be easy to produce waste product, loss is caused to the economy of company, at present by a left side, right-hand rotation jib is placed on Digit Control Machine Tool and carries out processing to guarantee machining accuracy, but in a lot of small business, due to the limited amount of Digit Control Machine Tool, in order to ensure manufacturing schedule, still need to utilize common vertical lathe to process, locating and machining difficulty on vertical lathe, difficult processing is to ensure, so prior art is still perfect not.
Summary of the invention
Goal of the invention of the present invention is: the method and the fixture that provide the employing vertical lathe processing excavator pivoted arm frame main transmission hole that a kind of structure is simple, practical, Set and Positioning is quick, can ensure left and right pivoted arm unwheeling main transmission hole machined precision, to overcome the deficiencies in the prior art.
The present invention is achieved in that a kind of method adopting vertical lathe to process excavator pivoted arm frame main transmission hole of the present invention is, first pass through the mode of artificial line on the bottom face of the blank part of excavator pivoted arm frame, the position that need process main transmission hole draws the basic circle that a diameter is greater than main transmission bore dia, then blank part is clamped on the rotating disk of universal turing machine, and regulate according to basic circle, the center of circle of basic circle is regulated on the center of turntable line of universal turing machine, then process a positioning boss circle on blank part after, blank part is taken off from vertical lathe, fixture for processing excavator pivoted arm frame main transmission hole is fixed on vertical lathe, and on the pedestal of fixture, be provided with positioning boss hole and location backing pin in advance, now the positioning boss circle on blank part is inserted in the positioning boss hole of the pedestal of fixture, and the bottom face of part and the end face of pedestal are fitted position, the side of part is abutted against on the backing pin of location, utilize the pressing plate of fixture to be fastened by part simultaneously, ensure that part can not move in process, vertical vehicle wheeled litter can be utilized like this to go out the main transmission hole of pivoted arm frame, thus ensure the machining accuracy in excavator pivoted arm frame main transmission hole.
According to of the present invention a kind of fixture adopting vertical lathe to process excavator pivoted arm frame main transmission hole that said method builds be, this fixture comprises disc-shaped base, the positioning boss hole for locating element is provided with at the middle part of pedestal, pedestal is provided with the location backing pin of the left and right pivoted arm frame of two studs and convenient location, studs is provided with pressing plate, and the other end of pressing plate is arranged on screw rod.
Pedestal is provided with the backing pin hole inserting location backing pin.
Pedestal is provided with two and can inserts the backing pin hole that location backing pin locates left and right pivoted arm frame.
Studs is provided with compression spring.
Owing to have employed technique scheme, when the present invention works, first by a left side, the circular positioning boss circle that right-hand rotation jib has been processed puts into the positioning boss hole of pedestal, and the end face of part and the end face of pedestal are fitted position, then by a left side, right-hand rotation jib is close to backing pin, part is fastened with pressing plate, just by common vertical car to a left side, right-hand rotation jib carries out the processing of car owner's driving hole, the present invention compared with prior art, it is simple that the present invention not only has structure, advantage easy to process, and design ingenious, safe and reliable, Set and Positioning is quick, can ensure left, right-hand rotation jib machining accuracy, the advantage such as to increase work efficiency.
Accompanying drawing explanation
Fig. 1 is the front view of fixture of the present invention;
Structural representation when Fig. 2 is fixture clamping left-hand rotation jib of the present invention;
Fig. 3 is the positioning boss circle location structure schematic diagram of base stand location boss hole and part;
Fig. 4 is the pivoted arm shelf structure schematic diagram that the present invention processes;
Description of reference numerals: 1-pedestal, 2-positioning boss hole, 3-studs, 4-pressing plate, 5-compression spring, 6-locates backing pin, 7-backing pin hole, 8-screw rod, 9-pivoted arm frame, 10-positioning boss circle, 11-main transmission hole.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail, but not as limitation of the present invention.
Embodiments of the invention: a kind of method adopting vertical lathe to process excavator pivoted arm frame main transmission hole of the present invention is, first pass through the mode of artificial line on the bottom face of the blank part of excavator pivoted arm frame, the position that need process main transmission hole draws the basic circle that a diameter is greater than main transmission bore dia, then blank part is clamped on the rotating disk of universal turing machine, and regulate according to basic circle, the center of circle of basic circle is regulated on the center of turntable line of universal turing machine, then on blank part, process a positioning boss circle, then blank part is taken off from vertical lathe, fixture for processing excavator pivoted arm frame main transmission hole is fixed on vertical lathe, owing to being provided with positioning boss hole and location backing pin on the pedestal of fixture, now the positioning boss circle on blank part is inserted in the positioning boss hole of pedestal, and the bottom face of part and the end face of pedestal are fitted position, the side of part is abutted against on the backing pin of location, pressing plate is utilized to be fastened by part, ensure that part can not move in process, vertical vehicle wheeled litter is finally utilized to go out the main transmission hole of pivoted arm frame, by such method, ensure the machining accuracy in excavator pivoted arm frame main transmission hole, prevent from adding and occur error man-hour.
According to said method build of the present invention a kind of adopt vertical lathe process excavator pivoted arm frame main transmission hole clamp structure schematic diagram as shown in Figures 1 to 3, this fixture comprises disc-shaped base 1, the positioning boss hole 2 for locating element is provided with at the middle part of pedestal 1, pedestal 1 is provided with the location backing pin 6 of the left and right pivoted arm frame of two studs 3 and convenient location, studs 3 is provided with pressing plate 4.
Pedestal 1 is provided with the backing pin hole 7 inserting location backing pin 6.
Pedestal 1 is provided with two and can inserts the backing pin hole 7 that location backing pin 6 locates left and right pivoted arm frame.
Studs 3 is provided with compression spring 5.
When processing left-hand rotation jib or right-hand rotation jib, location backing pin 6 being inserted in corresponding backing pin hole 7 and positions.
When the present invention works, first use line processing method on the bottom face of blank part with vertical lathe, the position that need process main transmission hole draws the basic circle that a diameter is greater than main transmission bore dia, then blank part is clamped on the rotating disk of universal turing machine, and regulate according to basic circle, the center of circle of basic circle is regulated on the center of turntable line of universal turing machine, then on blank part, process a positioning boss circle 10, the positioning boss circle 10 processed by pivoted arm frame 9 puts into the positioning boss hole 2 of pedestal 1, and the end face of the bottom face of part and pedestal 1 is fitted position, then pivoted arm frame 9 is close to location backing pin 6, now fasten pivoted arm frame 7 with pressing plate 4, tighten the nut on studs 3, after fixing part, ensure that part can not move in process, vertical vehicle wheeled litter is finally utilized to go out the main transmission hole 11 of pivoted arm frame, by such method, ensure the machining accuracy in excavator pivoted arm frame main transmission hole, prevent from adding and occur error man-hour, after processing, unclamp the nut on studs 3, compression spring 5 is utilized upwards to be flicked by pressing plate 4, pivoted arm frame 9 is facilitated to take out.
The main transmission hole 11 of the pivoted arm frame utilizing the common vertical lathe of this method to process, dimensional accuracy is high, improves operating efficiency, is worthy to be popularized.
Claims (5)
1. the method adopting vertical lathe to process excavator pivoted arm frame main transmission hole, it is characterized in that: first pass through the mode of artificial line on the bottom face of the blank part of excavator pivoted arm frame, the position that need process main transmission hole draws the basic circle that a diameter is greater than main transmission bore dia, then blank part is clamped on the rotating disk of universal turing machine, and regulate according to basic circle, the center of circle of basic circle is regulated on the center of turntable line of universal turing machine, then process a positioning boss circle on blank part after, blank part is taken off from vertical lathe, fixture for processing excavator pivoted arm frame main transmission hole is fixed on vertical lathe, and on the pedestal of fixture, be provided with positioning boss hole and location backing pin in advance, now the positioning boss circle on blank part is inserted in the positioning boss hole of the pedestal of fixture, and the bottom face of part and the end face of pedestal are fitted position, the side of part is abutted against on the backing pin of location, utilize the pressing plate of fixture to be fastened by part simultaneously, ensure that part can not move in process, vertical vehicle wheeled litter can be utilized like this to go out the main transmission hole of pivoted arm frame, thus ensure the machining accuracy in excavator pivoted arm frame main transmission hole.
2. the fixture adopting vertical lathe to process excavator pivoted arm frame main transmission hole, comprise disc-shaped base (1), it is characterized in that: be provided with the positioning boss hole (2) for locating element at the middle part of pedestal (1), pedestal (1) is provided with the location backing pin (6) of the left and right pivoted arm frame of two studs (3) and convenient location, studs (3) is provided with pressing plate (4), the other end of pressing plate (4) is arranged on screw rod (8).
3. the fixture in employing vertical lathe processing excavator pivoted arm frame main transmission hole according to claim 2, is characterized in that: on pedestal (1), be provided with the backing pin hole (7) inserting location backing pin (6).
4. the fixture in employing vertical lathe processing excavator pivoted arm frame main transmission hole according to claim 2, is characterized in that: on pedestal (1), be provided with two can insert the backing pin hole (7) that left and right pivoted arm frame is located in location backing pin (6).
5. the fixture in employing vertical lathe processing excavator pivoted arm frame main transmission hole according to claim 2, is characterized in that: on studs (3), be provided with compression spring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210296159.3A CN103128313B (en) | 2012-08-20 | 2012-08-20 | Method and fixture using vertical lathe to machine excavator rocker arm frame main driving hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210296159.3A CN103128313B (en) | 2012-08-20 | 2012-08-20 | Method and fixture using vertical lathe to machine excavator rocker arm frame main driving hole |
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| Publication Number | Publication Date |
|---|---|
| CN103128313A CN103128313A (en) | 2013-06-05 |
| CN103128313B true CN103128313B (en) | 2015-05-20 |
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| CN201210296159.3A Active CN103128313B (en) | 2012-08-20 | 2012-08-20 | Method and fixture using vertical lathe to machine excavator rocker arm frame main driving hole |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104690582A (en) * | 2015-03-19 | 2015-06-10 | 柳州市永益机械制造有限公司 | Valve body lathe clamp |
| CN104815992B (en) * | 2015-05-06 | 2017-04-26 | 重庆江增船舶重工有限公司 | Clamping and processing method for organic working medium generator shell |
| CN105855965B (en) * | 2016-05-02 | 2017-11-14 | 江苏源达机械科技有限公司 | A kind of lathe quick clamping device |
| CN110561141B (en) * | 2019-07-26 | 2020-12-08 | 武汉船用机械有限责任公司 | Machining clamp and method for rotating arm part of gas turbine |
| CN115365837A (en) * | 2021-05-18 | 2022-11-22 | 扬州忠宝精密机械有限公司 | Be used for lathe integration to process anchor clamps equipment |
| CN113385968B (en) * | 2021-06-22 | 2022-11-04 | 中航力源液压股份有限公司 | Numerical control vertical lathe clamp for end cover machining and process thereof |
| CN113547286B (en) * | 2021-07-21 | 2022-09-20 | 贵州詹阳动力重工有限公司 | Machining method of front connecting seat of five-degree-of-freedom steering mechanism and front connecting seat |
| CN113560821B (en) * | 2021-07-23 | 2023-03-31 | 贵州詹阳动力重工有限公司 | Method for machining five-degree-of-freedom steering mechanism bracket |
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| RU2226145C2 (en) * | 2002-06-17 | 2004-03-27 | Государственное федеральное унитарное предприятие Центральное конструкторское бюро машиностроения | Apparatus for placing and mounting elongated part on table of metal cutting machine tool |
| EP1510287A1 (en) * | 2003-08-27 | 2005-03-02 | E.Zoller GmbH & Co.KG Einstell-und Messgeräte | Apparatus for clamping a tool in a tool holder |
| CN201579606U (en) * | 2009-11-19 | 2010-09-15 | 龙工(上海)机械制造有限公司 | Device for machining hinged hole of movable arm of digging machine |
| CN202278398U (en) * | 2011-10-14 | 2012-06-20 | 贵州群建精密机械有限公司 | Positioning device used for lathing lug boss of planet carrier gear |
| CN202780560U (en) * | 2012-08-20 | 2013-03-13 | 贵州詹阳动力重工有限公司 | Special clamp for vertical lathe |
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- 2012-08-20 CN CN201210296159.3A patent/CN103128313B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2226145C2 (en) * | 2002-06-17 | 2004-03-27 | Государственное федеральное унитарное предприятие Центральное конструкторское бюро машиностроения | Apparatus for placing and mounting elongated part on table of metal cutting machine tool |
| EP1510287A1 (en) * | 2003-08-27 | 2005-03-02 | E.Zoller GmbH & Co.KG Einstell-und Messgeräte | Apparatus for clamping a tool in a tool holder |
| CN201579606U (en) * | 2009-11-19 | 2010-09-15 | 龙工(上海)机械制造有限公司 | Device for machining hinged hole of movable arm of digging machine |
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| CN202780560U (en) * | 2012-08-20 | 2013-03-13 | 贵州詹阳动力重工有限公司 | Special clamp for vertical lathe |
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| CN103128313A (en) | 2013-06-05 |
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