CN101912991B - Method for processing hexagonal part by using lathe and clamp - Google Patents

Method for processing hexagonal part by using lathe and clamp Download PDF

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Publication number
CN101912991B
CN101912991B CN 201010250939 CN201010250939A CN101912991B CN 101912991 B CN101912991 B CN 101912991B CN 201010250939 CN201010250939 CN 201010250939 CN 201010250939 A CN201010250939 A CN 201010250939A CN 101912991 B CN101912991 B CN 101912991B
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lathe
indexing
circular peripheral
mills
work piece
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CN101912991A (en
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涂光杰
李维
郑压
师俊峰
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Guizhou Aerospace Precision Products Co Ltd
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Guizhou Aerospace Precision Products Co Ltd
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Abstract

The invention discloses a method for processing a hexagonal part by using a lathe and a clamp. The method comprises the following steps of: clamping two circular cutters on a main shaft of the lathe and adjusting a distance between two opposite planes of the hexagonal part by replacing a positioning ring between the two circular cutters; clamping a workpiece on a workpiece clamp on a lathe saddle and realizing radial feed by using the lathe saddle; and realizing indexing by using an indexing groove and an indexing plunger. The hexagonal part is processed by using the lathe and quick feed is realized based on the convenience and sensitivity of the lathe saddle. The distance between the two opposite planes of a hexagon is determined by using the width of the positioning ring and the processed hexagon has high consistency. The workpiece clamp of the invention is special for the hexagonal part and quick indexing is realized by using a push rod and a spring so that an indexing angle does not need to be considered and quick indexing is realized; and working efficiency can be improved by more than one time, processing speed is increased greatly and the problem that processing procedure is difficult to ensure is solved.

Description

A kind of method and anchor clamps with lathe processing hexagonal class part
Technical field
The present invention relates to a kind of method and anchor clamps with lathe processing hexagonal class part, belong to six side's class part processing technique field.
Background technology
The processing of present six side's class parts is mainly finished by Milling Process, and the traditional diamond-making technique of Milling Process is realized by milling machine.Milling machine is that part is contained on the plug of rotation-indexing table when processing hexagonal, realizes six sides' process by three feedings and twice rotary index of milling machine table.Because the feed speed of milling machine table is slow, the rotary course of index dial is also slow, so inefficiency.
Summary of the invention
The object of the invention is to, a kind of method and anchor clamps with lathe processing hexagonal class part are provided, slow with solution processing hexagonal class part speed on milling machine, the problem that processing progress is difficult to guarantee, thereby improve the working (machining) efficiency of six side's class parts, overcome the deficiencies in the prior art.
Technical scheme of the present invention: a kind of method with lathe processing hexagonal class part of the present invention is that two circular peripheral-mills are clamped on the main shaft of lathe, regulates distance between six side's class parts, the two relative planes by changing centring ring between two circular peripheral-mills; With piece-holder on the work piece holder on the lathe saddle, by lathe saddle reality radial feed; And by the indexing trough on the work piece holder and index pin realization calibration.
In the aforesaid method with lathe processing hexagonal class part, push rod and spring are set, to realize quick index on the described work piece holder.
In the aforesaid method with lathe processing hexagonal class part, described indexing trough and index pin are the fixed angle of 60 degree, to realize the quick index to six side's class parts.
In the aforesaid method with lathe processing hexagonal class part, the length feed of described lathe saddle transfers to the axis of workpiece overlaps locking lathe saddle behind the position with gap mid point between two circular peripheral-mills length feed, make lathe saddle vertically can not movement can only radial feed.
According to the aforesaid used anchor clamps of method with lathe processing hexagonal class part, comprise with circular peripheral-mill be fixed on the lathe spindle milling fixture and with the fixing work piece holder on the lathe saddle of workpiece; Milling fixture comprises the milling cutter clamping handle, and cover has centring ring and packing washer, centring ring to be located between two circular peripheral-mills on the milling cutter clamping handle; The milling cutter clamping handle is connected with the locking screw external threading; Work piece holder comprises rotation plug chuck, and rotation plug chuck is provided with 6 index pins that are uniformly distributed along the circumference; Rotation plug chuck overcoat has the calibration positioning collet, and calibration positioning collet end is provided with 6 indexing troughs that are uniformly distributed along the circumference.
In the aforesaid anchor clamps, the end of described rotation plug chuck is provided with positioning screw, and positioning screw is provided with setscrew nut.
In the aforesaid anchor clamps, the other end of described rotation plug chuck is connected with push rod, and the other end of push rod is connected with check ring.
In the aforesaid anchor clamps, be provided with spring between described check ring and the calibration positioning collet.
Compared with prior art, the present invention adopts lathe processing hexagonal class part, and Cutting tool installation manner only has rotation not have displacement on lathe spindle.Workpiece is fixed on the lathe saddle by lathe saddle realizes radial feed, because lathe saddle is lighter than the workbench of milling machine, highly sensitive, so use very flexibly, feed speed is fast.When processing six side of different size, a centring ring that only needs to change between two disk milling cutters gets final product, and the width of centring ring determines the distance between six sides, the two relative planes, the six side's high conformities that process.60 degree indexing trough and index pins only are set on the work piece holder of the present invention, are that six side's class parts are special-purpose, and adopt push rod and spring quick index, so do not need to consider sub-degree angle during calibration, as long as promote push rod, make index pin change an indexing trough and get final product, calibration is rapid; Add can disposable length feed with lathe saddle transfer to the axis of workpiece man-hour and gap mid point between two circular peripheral-mills overlap the position after locking owing to having taked above measure, well realized the technical problem of processing hexagonal class part on lathe, and can improve work efficiency more than one times, greatly improve process velocity, solved the problem that processing progress is difficult to guarantee.
Description of drawings
Fig. 1 is structural representation of the present invention.
Being labeled as in the accompanying drawing: 1-milling cutter clamping handle, 2-workpiece, 3-circular peripheral-mill, the 4-centring ring, the 5-packing washer, 6-locks swivel nut, 7-rotation plug chuck, 8-index pin, 9-calibration positioning collet, the 10-indexing trough, the 11-positioning screw, 12-setscrew nut, 13-push rod, the 14-check ring, the 15-spring.
The specific embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
Embodiments of the invention: structural principle of the present invention as shown in Figure 1, its method is with lathe processing hexagonal class part.Two circular peripheral-mills are clamped on the main shaft of lathe, regulate distance between six side's class parts, the two relative planes by changing centring ring between two circular peripheral-mills; Piece-holder on the work piece holder on the lathe saddle, is arranged push rod and spring on the work piece holder, to realize quick index.By lathe saddle reality radial feed; And by the indexing trough on the work piece holder and index pin realization calibration.Indexing trough and index pin are the fixed angle of 60 degree, to realize the quick index to six side's class parts.The length feed of described lathe saddle transfers to the axis of workpiece overlaps locking lathe saddle behind the position with gap mid point between two circular peripheral-mills length feed, make lathe saddle vertically can not movement can only radial feed.
According to aforesaid with the used anchor clamps of the method for lathe processing hexagonal class part as shown in the figure, comprise with circular peripheral-mill be fixed on the lathe spindle milling fixture and with the fixing work piece holder on the lathe saddle of workpiece 2; Milling fixture comprises milling cutter clamping handle 1, and cover has centring ring 4 and packing washer 5, centring ring 4 to be located between two circular peripheral-mills 3 on the milling cutter clamping handle 1; Milling cutter clamping handle 1 is threaded with locking swivel nut 6; Work piece holder comprises rotation plug chuck 7, and rotation plug chuck 7 is provided with 6 index pins that are uniformly distributed along the circumference 8; The end of rotation plug chuck 7 is provided with positioning screw 11, and positioning screw 11 is provided with setscrew nut 12.The other end of rotation plug chuck 7 is connected with push rod 13, and the other end of push rod 13 is connected with check ring 14.Be provided with spring 15 between check ring 14 and the calibration positioning collet 9.Rotation plug chuck 7 overcoats have calibration positioning collet 9, and calibration positioning collet 9 ends are provided with 6 indexing troughs that are uniformly distributed along the circumference 10.
Specific process of the present invention is described as follows
First two circular peripheral-mills 3 are installed on the milling fixture in first being processed, during installation, successively first circular peripheral-mill, centring ring 4, second circular peripheral-mill and packing washer 5 are enclosed within on the milling cutter clamping handle 1, then will lock swivel nut 6 and be spun on the screw thread of milling cutter clamping handle 1 end, with locking swivel nut 6 with two circular peripheral-mills 3 being pressed on the positioning boss on the milling cutter clamping handle 1 tightly.The width of network for location 4 has determined the distance between institute's processing hexagonal two relative planes, can be by changing the centring ring 4 of different size, six side's class parts of processing different size.The clamping that milling cutter is correct on milling cutter clamping handle 1 after, again milling cutter clamping handle 1 is installed on the chuck of lathe spindle, lathe spindle can drive milling fixture rotation take the center line of milling cutter as the axle center.
Then with the tool mounting clamping on the knife rest of lathe, during clamping, the axis of tool mounting should be vertical with the axis of lathe spindle, with the end face of six side's parts of guaranteeing to process and the perpendicularity of six aspects.Then find the axis of workpiece accurately with the length feed of lathe saddle and overlap the position with gap mid point between two circular peripheral-mills, then the length feed of lathe saddle is locked, lathe saddle vertically can not be moved, to guarantee hexahedron and the concentricity of justifying on six side's parts.And guarantee that six sides that process are positive six sides.
Just can begin to have processed after the complete cutter of clamping and the work.Workpiece 2 is enclosed within on the positioning screw 11 on the tool mounting, compresses with setscrew nut 12; Start lathe spindle, circular peripheral-mill 3 begins rotation, and knife rest enters gap between two circular peripheral-mills 3 with workpiece 2, and circular peripheral-mill 3 mills out aspect two relative six at workpiece 2.After reaching the predetermined amount of feeding, the beginning withdrawing.When workpiece 2 withdraws from fully, and away from behind the circular peripheral-mill 3, promote push rod 13, make the alignment pin 8 on the rotation plug chuck 7 leave original locating slot 10, rotation 60 degree unclamp push rod 13, alignment pin 8 on the rotation plug chuck 7 falls into another locating slot 10, and workpiece 2 has also and then rotated 60 degree, then repeat feed processes, two circular peripheral-mills 3 mill out aspect other two six at workpiece 2, continue to repeat withdrawing and calibration process, again feeding is until finish six faces of six sides.Three feedings of whole process need, twice withdrawing and calibration are finished the processing of a workpiece, then pull down the work that processes, and change another work and repeat processing.
Because the operation of the used lathe saddle of the present invention is more more convenient than the workbench of milling machine, more flexible, used tool mounting also makes things convenient for the replacing of work, can improve work efficiency more than one times with comparing with milling machine processing.

Claims (4)

1. method with lathe processing hexagonal class part, it is characterized in that: the method is that two circular peripheral-mills are clamped on the main shaft of lathe, regulates distance between six side's class parts, the two relative planes by changing centring ring between two circular peripheral-mills; Piece-holder on the work piece holder on the lathe saddle, is realized radial feed by lathe saddle; And by the indexing trough on the work piece holder and index pin realization calibration; Push rod and spring are set, to realize quick index on the described work piece holder; Described indexing trough and index pin are the fixed angle of 60 degree, to realize the quick index to six side's class parts.
2. the method with lathe processing hexagonal class part according to claim 1, it is characterized in that: the length feed of described lathe saddle transfers to the axis of workpiece overlaps locking lathe saddle behind the position with gap mid point between two circular peripheral-mills length feed, make lathe saddle vertically can not movement can only radial feed.
3. according to claim 1 to the described used anchor clamps of method with lathe processing hexagonal class part of 2 arbitrary claims, it is characterized in that: comprise with circular peripheral-mill be fixed on the lathe spindle milling fixture and with the fixing work piece holder on the lathe saddle of workpiece (2); Milling fixture comprises milling cutter clamping handle (1), and the upper cover of milling cutter clamping handle (1) has centring ring (4) and packing washer (5), and centring ring (4) is located between two circular peripheral-mills (3); Milling cutter clamping handle (1) is threaded with locking swivel nut (6); Work piece holder comprises rotation plug chuck (7), is provided with 6 index pins that are uniformly distributed along the circumference (8) at an end that rotates plug chuck (7); Rotation plug chuck (7) overcoat has calibration positioning collet (9), and calibration positioning collet (9) end is provided with 6 indexing troughs that are uniformly distributed along the circumference (10); The other end of described rotation plug chuck (7) is connected with push rod (13), and the other end of push rod (13) is connected with check ring (14); Be provided with spring (15) between described check ring (14) and the calibration positioning collet (9).
4. anchor clamps according to claim 3, it is characterized in that: the end that is provided with index pin (8) one ends at described rotation plug chuck (7) is provided with positioning screw (11), and positioning screw (11) is provided with setscrew nut (12).
CN 201010250939 2010-08-12 2010-08-12 Method for processing hexagonal part by using lathe and clamp Active CN101912991B (en)

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Application Number Priority Date Filing Date Title
CN 201010250939 CN101912991B (en) 2010-08-12 2010-08-12 Method for processing hexagonal part by using lathe and clamp

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CN101912991B true CN101912991B (en) 2013-01-09

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104493618A (en) * 2014-12-09 2015-04-08 重庆迪科汽车研究有限公司 Feed screwclearance compensation structure
CN105773087B (en) * 2016-03-30 2017-12-05 华新水泥(黄石)装备制造有限公司 The method of general NC Boring machine processing six square shafts of high accuracy
CN112589171A (en) * 2020-12-02 2021-04-02 四川航天长征装备制造有限公司 Milling clamping tool and machining method for rotary part with circumferential boss

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE544846C (en) * 1929-12-28 1932-02-22 Fritz Heiber Device for milling workpieces with a polygonal, in particular square, cross-sectional shape
US2436423A (en) * 1944-06-28 1948-02-24 Western Electric Co Material working apparatus
CN201511164U (en) * 2009-09-17 2010-06-23 中国石油化工股份有限公司 Special rapid-indexing square-milling fixture
CN201524831U (en) * 2009-11-11 2010-07-14 信阳航天标准件厂 Milling and grooving tool

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