CN103358151A - Clamp for processing milling identical graduation surface of connecting rod small end of engine and application method of clamp - Google Patents
Clamp for processing milling identical graduation surface of connecting rod small end of engine and application method of clamp Download PDFInfo
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- CN103358151A CN103358151A CN2013102779684A CN201310277968A CN103358151A CN 103358151 A CN103358151 A CN 103358151A CN 2013102779684 A CN2013102779684 A CN 2013102779684A CN 201310277968 A CN201310277968 A CN 201310277968A CN 103358151 A CN103358151 A CN 103358151A
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- connecting rod
- small end
- index dial
- mills
- equal indicative
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Abstract
The invention discloses a clamp for processing a milling identical graduation surface of a connecting rod small end of an engine and an application method of the clamp. The clamp comprises a base, wherein a supporting plane, a positioning mechanism and a locking mechanism are arranged on the base, the supporting plane is used for supporting a connecting rod, the positioning mechanism is used for positioning the connecting rod small end and driving the connecting rod to rotate, and the locking mechanism is used for locking positioning components. Compared with the prior art, the clamp is simple in structure and in operation, and high in processing efficiency, when the clamp is used, the purpose of rotating the connecting rod only by rotating the positioning mechanism is fulfilled, and repeated positioning of the connecting rod is not needed.
Description
Technical field
The present invention relates to the processing tool of engine link, specifically, the present invention relates to connecting rod small end of engine and mill equal indicative face fixture for processing and using method thereof.
Background technology
For the small end of connecting rod of high-power engine, need to mill out a plurality of equal indicative faces at the periphery of small end of connecting rod by milling machine, with the outer circumference surface five equilibrium of small end of connecting rod, adding man-hour, connecting rod is fixed on the anchor clamps of milling machine.
The anchor clamps that use at present, need to rotate to an angle whole anchor clamps after milling out a face because complex structure causes the clamping complex operation, and uses this anchor clamps, and to carry out the milling of next face, troublesome poeration causes working (machining) efficiency low.
Summary of the invention
Technical problem to be solved by this invention provides a kind of connecting rod small end of engine and mills equal indicative face fixture for processing, to improve working (machining) efficiency.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of connecting rod small end of engine mills equal indicative face fixture for processing, it comprises base, is provided with supporting plane for the support connecting rod at base, to small end of connecting rod location and the detent mechanism that can drivening rod rotates and the retaining mechanism of locking positioning assembly.
Described detent mechanism comprise the top that is rotatably connected on the described base be provided with the index dial of push rod and be enclosed within push rod outer be used for positioning tube to the small end of connecting rod location, have the mobile toward the outer side a plurality of locating pieces that carry out the distending action under the driving of push rod that match with push rod on the positioning tube.
The outer circumference surface of described index dial is provided with a plurality of lockholes, and the angle between adjacent two lockholes equals the angle between adjacent two equal indicative faces.
Described positioning tube mainly is made of four described locating piece amalgamations, and the outside of positioning tube is provided with the ring spring of waling all locating pieces, is inserted with hold-down bolt in the positioning tube, correspondingly is provided with screwed hole at described push rod.
Described push rod is taper type, is the wedge transmission between push rod and the locating piece.
Described supporting plane is made of the end face of the end face that is located at the backing plate on the described base and described index dial.
Described retaining mechanism comprises the fixed block that is arranged in described index dial one side that is located on the described base and passes the check lock lever that the lockhole that inserts index dial is locked index dial from fixed block, and check lock lever and fixed block are for being threaded.
Described base is provided with for the block of determining the connecting rod initial putting position.
Another technical problem to be solved by this invention provides the using method that a kind of connecting rod small end of engine mills equal indicative face fixture for processing, comprises following step,
(1) major part with connecting rod is placed on the backing plate, and the microcephaly is enclosed within on the positioning tube, adjusts connecting rod position, until the connecting rod sidepiece is against on the block;
(2) small end of connecting rod is enclosed within on the locating dowel, tighten hold-down bolt, hold-down bolt promotes locating piece and moves down, because the effect of push rod, push rod promotes the outside distending of locating piece simultaneously, until hold-down bolt twist motionless till, the complete distending of locating piece this moment, contact with the inner peripheral surface of small end of connecting rod, finish the fixing of connecting rod;
(3) tighten check lock lever, check lock lever is inserted in the lockhole of index dial;
(4) outer circumference surface at small end of connecting rod mills out first equal indicative face;
(5) unclamp check lock lever, index dial is turned over a five equilibrium angle, tighten check lock lever, check lock lever is inserted in the lockhole of index dial;
(6) outer circumference surface at small end of connecting rod mills out second equal indicative face;
(7) according to step (5), mill out successively remaining equal indicative face.
The present invention adopts technique scheme, and compared with prior art, this clamp structure is simple, only needs in use rotation positioning device to reach the purpose of rotation connecting rod, need not to repeat connecting rod is positioned, and simple to operate, working (machining) efficiency is high.
Description of drawings
Fig. 1 is the top view of anchor clamps of the present invention;
Fig. 2 is the structural representation of index dial;
Fig. 3 is the cutaway view of positioning tube;
Fig. 4 is the top view of small end of connecting rod;
Mark among the above-mentioned figure is: 1, base; 2, backing plate; 3, block; 4, index dial; 5, push rod; 6, positioning tube; 7, locating piece; 8, ring spring; 9, hold-down bolt; 10, fixed block; 11, check lock lever; 12, lockhole; 13, equal indicative face.
The specific embodiment
As shown in Figure 1 to Figure 3, a kind of connecting rod small end of engine of the present invention mills equal indicative face fixture for processing, it comprises base 1, is provided with supporting plane for the support connecting rod at base 1, to small end of connecting rod location and the detent mechanism that can drivening rod rotates and the retaining mechanism of locking positioning assembly.As shown in Figure 4, need to mill out five equal indicative faces 13 on the outer circumference surface of this small end of connecting rod, adding man-hour, these anchor clamps can come drivening rod to rotate by rotation positioning device, need not anchor clamps integral body is all rotated, and simple to operate, efficient is high.
Specifically, the detent mechanism of these anchor clamps comprise the top that is rotatably connected on the base 1 be provided with the index dial 4 of push rod 5 and be enclosed within push rod 5 outer be used for positioning tube 6 to the small end of connecting rod location, have the mobile toward the outer side a plurality of locating pieces 7 that carry out the distending action under the driving of push rod 5 that match with push rod 5 on the positioning tube 6.
Base 1 is one flat plate, and index dial 4 is discoid, and the bottom is installed on the base 1 by vertical bearing pin.Index dial 4 can rotate, and radially is provided with a plurality of lockholes 12 that cooperate with retaining mechanism on its outer circumference surface, and retaining mechanism inserts locking index dial 4 in the lockhole 12.Angle between adjacent two lockholes 12 equals the angle between adjacent two equal indicative faces 13, like this after small end of connecting rod mills out an equal indicative face 13, when rotating index dial 4, only need turn over a lockhole 12, retaining mechanism inserts in the next lockhole 12 can with index dial 4 lockings, can carry out the milling of next equal indicative face 13.
The main body of positioning tube 6 for mainly by four block-shaped identical locating piece 7 amalgamations consist of cylindrical, the two ends of positioning tube 6 are not sealed.Push rod 5 is taper type, is installed on the end face of index dial 4.The medial surface of positioning tube 6 is taper seat, is the wedge transmission between push rod 5 and the locating piece 7.The outside of positioning tube 6 is provided with two ring springs 8 of waling all locating pieces 7, and the outer circumference surface of positioning tube 6 is provided with two annular grooves that are used for holding ring spring 8.In positioning tube 6, can insert from the top hold-down bolt 9, correspondingly be provided with screwed hole at push rod 5, the boss that has an arc at the top of every locating piece 7, four boss surround one with the annular of centre bore, the diameter of the centre bore after the diameter of the nut of hold-down bolt 9 opens fully greater than locating piece 7, can push down boss with the nut of guaranteeing hold-down bolt 9, thereby compress locating piece 7.When connecting rod is positioned, small end of connecting rod is enclosed within on the locating dowel, tighten hold-down bolt 9, hold-down bolt 9 promotes four locating pieces 7 and moves down, because the effect of push rod 5, push rod 5 promotes toward the outer side distending of four locating pieces 7 simultaneously, until hold-down bolt 9 twist motionless till, this moment, locating piece 7 complete distendings contacted with the inner peripheral surface of small end of connecting rod, finished the fixing of connecting rod.
Supporting plane on the base 1 is made of the end face of the backing plate 2 that is located at the strip on the base 1 and the end face of index dial 4.When connecting rod is positioned, with the lower surface pad of small end of connecting rod on the end face of index dial 4, with the lower surface pad of big end on the end face of backing plate 2.Backing plate 2 is provided with three altogether, is bolted on the base 1.
Retaining mechanism comprises the fixed block 10 that is arranged in index dial 4 one sides that is located on the base 1 and passes the check lock lever 11 that the lockhole 12 that inserts index dial 4 is locked index dial 4 from fixed block 10.Fixed block 10 is bolted on the base 1, and check lock lever 11 is along the radially setting of index dial 4, and check lock lever 11 and fixed block 10 are for being threaded.
Also be provided with on the base 1 for the rectangular block 3 of determining the connecting rod initial putting position, block 3 and fixed block 10 are distributed in the both sides of index dial 4.Block 3 is bolted on the base 1, side towards the connecting rod placement area of block 3 is provided with an alignment pin, when positioning fixedly to connecting rod, the sidepiece of connecting rod is against on the alignment pin, guarantee the connecting rod registration, conveniently look for the aligned position of the lockhole 12 on check lock lever 11 and the index dial 4.
The using method of these anchor clamps comprises following step,
(1) major part with connecting rod is placed on the backing plate 2, and the microcephaly is enclosed within on the positioning tube 6, adjusts connecting rod position, until the connecting rod sidepiece is against on the alignment pin of block 3;
(2) small end of connecting rod is enclosed within on the locating dowel, tighten hold-down bolt 9, hold-down bolt promotes four locating pieces 7 and moves down, because the effect of push rod 5, push rod 5 promotes four locating pieces, 7 outside distendings simultaneously, until hold-down bolt 9 twist motionless till, this moment locating piece 7 complete distendings, contact with the inner peripheral surface of small end of connecting rod, finish the fixing of connecting rod;
(3) tighten check lock lever 11, check lock lever 11 is inserted in the lockhole 12 of index dial 4;
(4) outer circumference surface at small end of connecting rod mills out first equal indicative face;
(5) unclamp check lock lever 11, index dial 4 is turned over a five equilibrium angle, tighten check lock lever 11, check lock lever 11 is inserted in the lockhole 12 of index dial 4;
(6) outer circumference surface at small end of connecting rod mills out second equal indicative face;
(7) according to step (5), mill out successively remaining three equal indicative faces.
The above has carried out exemplary description to the present invention by reference to the accompanying drawings; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (9)
1. a connecting rod small end of engine mills equal indicative face fixture for processing, it is characterized in that: comprise base, be provided with supporting plane for the support connecting rod at base, to small end of connecting rod location and the detent mechanism that can drivening rod rotates and the retaining mechanism of locking positioning assembly.
2. connecting rod small end of engine according to claim 1 mills equal indicative face fixture for processing, it is characterized in that: described detent mechanism comprise the top that is rotatably connected on the described base be provided with the index dial of push rod and be enclosed within push rod outer be used for positioning tube to the small end of connecting rod location, have the mobile toward the outer side a plurality of locating pieces that carry out the distending action under the driving of push rod that match with push rod on the positioning tube.
3. connecting rod small end of engine according to claim 2 mills equal indicative face fixture for processing, it is characterized in that: the outer circumference surface of described index dial is provided with a plurality of lockholes, and the angle between adjacent two lockholes equals the angle between adjacent two equal indicative faces.
According to claim 2 or 3 described connecting rod small end of engine mill equal indicative face fixture for processing, it is characterized in that: described positioning tube mainly is made of four described locating piece amalgamations, the outside of positioning tube is provided with the ring spring of waling all locating pieces, be inserted with hold-down bolt in the positioning tube, correspondingly be provided with screwed hole at described push rod.
5. connecting rod small end of engine according to claim 4 mills equal indicative face fixture for processing, it is characterized in that: described push rod is taper type, is the wedge transmission between push rod and the locating piece.
6. connecting rod small end of engine according to claim 5 mills equal indicative face fixture for processing, it is characterized in that: described supporting plane is made of the end face of the end face that is located at the backing plate on the described base and described index dial.
7. connecting rod small end of engine according to claim 6 mills equal indicative face fixture for processing, it is characterized in that: described retaining mechanism comprises the fixed block that is arranged in described index dial one side that is located on the described base and passes the check lock lever that the lockhole that inserts index dial is locked index dial from fixed block, and check lock lever and fixed block are for being threaded.
8. connecting rod small end of engine according to claim 7 mills equal indicative face fixture for processing, it is characterized in that: described base is provided with for the block of determining the connecting rod initial putting position.
9. using method that connecting rod small end of engine according to claim 8 mills equal indicative face fixture for processing is characterized in that: comprise following step,
(1) major part with connecting rod is placed on the backing plate, and the microcephaly is enclosed within on the positioning tube, adjusts connecting rod position, until the connecting rod sidepiece is against on the block;
(2) small end of connecting rod is enclosed within on the locating dowel, tighten hold-down bolt, hold-down bolt promotes locating piece and moves down, because the effect of push rod, push rod promotes the outside distending of locating piece simultaneously, until hold-down bolt twist motionless till, the complete distending of locating piece this moment, contact with the inner peripheral surface of small end of connecting rod, finish the fixing of connecting rod;
(3) tighten check lock lever, check lock lever is inserted in the lockhole of index dial;
(4) outer circumference surface at small end of connecting rod mills out first equal indicative face;
(5) unclamp check lock lever, index dial is turned over a five equilibrium angle, tighten check lock lever, check lock lever is inserted in the lockhole of index dial;
(6) outer circumference surface at small end of connecting rod mills out second equal indicative face;
(7) according to step (5), mill out successively remaining equal indicative face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310277968.4A CN103358151B (en) | 2013-07-03 | 2013-07-03 | A kind of connecting rod small end of engine milling equal indicative face fixture for processing and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310277968.4A CN103358151B (en) | 2013-07-03 | 2013-07-03 | A kind of connecting rod small end of engine milling equal indicative face fixture for processing and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103358151A true CN103358151A (en) | 2013-10-23 |
| CN103358151B CN103358151B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310277968.4A Active CN103358151B (en) | 2013-07-03 | 2013-07-03 | A kind of connecting rod small end of engine milling equal indicative face fixture for processing and using method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705333A (en) * | 2018-08-06 | 2018-10-26 | 重庆建设工业(集团)有限责任公司 | A kind of adjusting method of adjustable positioning device for the processing of lathe rear alignment |
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| CN202846182U (en) * | 2012-08-20 | 2013-04-03 | 云南西仪工业股份有限公司 | Transposition type connecting rod small end oil hole drilling tool |
| CN203390589U (en) * | 2013-07-03 | 2014-01-15 | 芜湖航天汽车连杆有限公司 | Clamp for machining milling identical graduation face of small end of connecting rod of engine |
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2013
- 2013-07-03 CN CN201310277968.4A patent/CN103358151B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE2727517A1 (en) * | 1977-06-18 | 1978-12-21 | Daimler Benz Ag | Impact absorbing front of car - with elastic bumper and pivoted sprung mountings for lights and radiator |
| SU1404244A1 (en) * | 1986-10-14 | 1988-06-23 | Всесоюзный Проектно-Технологический Институт Тяжелого Машиностроения | Arrangement for clamping parts |
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| CN2912879Y (en) * | 2006-05-12 | 2007-06-20 | 山东泰工工贸有限责任公司 | Small taper hole large reference round gear teeth clamp |
| CN2920501Y (en) * | 2006-06-29 | 2007-07-11 | 贵州群建齿轮有限公司 | Gear machining clamp |
| CN201371368Y (en) * | 2009-03-19 | 2009-12-30 | 上海东方泵业(集团)有限公司 | Large-scale pump coupling equal dividing boring turning tooling |
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| CN202377822U (en) * | 2011-12-12 | 2012-08-15 | 秦海军 | Expanding mandrel clamp for square stator |
| CN202846182U (en) * | 2012-08-20 | 2013-04-03 | 云南西仪工业股份有限公司 | Transposition type connecting rod small end oil hole drilling tool |
| CN203390589U (en) * | 2013-07-03 | 2014-01-15 | 芜湖航天汽车连杆有限公司 | Clamp for machining milling identical graduation face of small end of connecting rod of engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705333A (en) * | 2018-08-06 | 2018-10-26 | 重庆建设工业(集团)有限责任公司 | A kind of adjusting method of adjustable positioning device for the processing of lathe rear alignment |
| CN108705333B (en) * | 2018-08-06 | 2019-11-12 | 重庆建设工业(集团)有限责任公司 | A kind of adjusting method of the adjustable positioning device for the processing of lathe rear alignment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103358151B (en) | 2016-01-20 |
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