CN105215389A - A kind of lathe tool fast-assembling knife rest - Google Patents
A kind of lathe tool fast-assembling knife rest Download PDFInfo
- Publication number
- CN105215389A CN105215389A CN201510664886.4A CN201510664886A CN105215389A CN 105215389 A CN105215389 A CN 105215389A CN 201510664886 A CN201510664886 A CN 201510664886A CN 105215389 A CN105215389 A CN 105215389A
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- CN
- China
- Prior art keywords
- lathe tool
- wedge
- knife rest
- quiet
- mounting groove
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/04—Tool holders for a single cutting tool
- B23B29/06—Tool holders equipped with longitudinally-arranged grooves for setting the cutting tool
Abstract
The invention belongs to turning technology, relate to a kind of lathe tool fast-assembling knife rest for turnery processing.It is characterized in that, it is made up of body (1), sunk screw (2), quiet wedge (3), dynamic wedge (4), adjustment screw (5) and hold-down bolt (6).The present invention proposes a kind of lathe tool fast-assembling knife rest, achieve the Fast Installation of lathe tool, improve dress cutter efficiency, reduce labour intensity, ensure that crudy.
Description
Technical field
The invention belongs to turning technology, relate to a kind of lathe tool fast-assembling knife rest for turnery processing.
Background technology
In turning the installation of lathe tool mainly in the vertical direction (Z-direction) adjust point of a knife and overlap with the machine tool chief axis centre of gyration and keep the process of its tram.In production practices, the installation of lathe tool relies on experience to estimate position of tool tip primarily of operator at present, and by trial cut exemplar, manual adjustments edge bearing has come.Too high or too low relative to the machine tool chief axis centre of gyration of position of tool tip when lathe tool is installed, capital causes the real work angle of lathe tool in the turning process geometric angle desirable relative to it to change, and these all can affect the quality of turning and reduce service life of lathe tool.In high-precision turning, there is high requirement to the installation of lathe tool.In minute surface (it is 0.1 micron that the surface roughness Ra value requires) car of certain laser gyro negative electrode, the operator of high professional qualification adopts above-mentioned manual methods to install lathe tool, trial cut is repeatedly cut, regulate edge bearing, again trial cut cut, more than 20 hours consuming time, dress cutter efficiency is low, and labour intensity is large.Under the same cutting conditions, due to the difference of lathe tool installation site, cause the workpiece quality cut different, and produce the waste product of some.
Summary of the invention
The object of the invention is: propose a kind of lathe tool fast-assembling knife rest, to realize the Fast Installation of lathe tool, improve dress cutter efficiency, reduce labour intensity, ensure crudy.
Technical scheme of the present invention is: a kind of lathe tool fast-assembling knife rest, is characterized in that, it is made up of body 1, sunk screw 2, quiet wedge 3, dynamic wedge 4, adjustment screw 5 and hold-down bolt 6, body 1 is a long strip article, its shape of cross section is: the figure be made up of the hollow large rectangle on the left side and the solid little rectangle on the right, the hollow large rectangle on the left side is the shape of cross section of the knife rest mount pad with cuboid profile, the solid little rectangle on the right is the shape of cross section of the grip shank 1a with cuboid profile, the left surface of grip shank 1a is connected for overall with in the middle part of the right flank of knife rest mount pad by one processing, a through knife rest mount pad front surface and rear surface is had in knife rest mount pad, cross section is the lathe tool mounting groove 1c of rectangle, the bottom surface of lathe tool mounting groove 1c is parallel with the lower surface of grip shank 1a, the width of lathe tool mounting groove 1c is greater than the width of lathe tool 7, the lathe tool loading hatch 1d of a through left cell wall 1b is had on the top of the left cell wall 1b of lathe tool mounting groove 1c, the upper-lower height of lathe tool loading hatch 1d is greater than the height of lathe tool 7, the upper surface of knife rest mount pad there are 2 to 4 distribute along body 1 length direction, the body upper screwed hole 1e of vertical through lathe tool mounting groove 1c end face, a hold-down bolt 6 is twisted in each body upper screwed hole 1e, the lower surface of knife rest mount pad there are 2 to 4 distribute along body 1 length direction, screwed hole under the countersunk head body of vertical through lathe tool mounting groove 1c bottom surface, the sphenoid of quiet wedge 3 to be cross sections be rectangle, quiet wedge 3 is positioned at lathe tool mounting groove 1c, fit in the lower surface of quiet wedge 3 and the bottom surface of lathe tool mounting groove 1c, the lower surface of quiet wedge 3 there is tapped blind hole, the quantity of tapped blind hole is identical with the quantity of screwed hole under the countersunk head body on the lower surface of knife rest mount pad and position corresponding, by sunk screw 2, quiet wedge 3 is fixed in lathe tool mounting groove 1c, the front surface of quiet wedge 3 does not exceed the front surface of knife rest mount pad left, the upper surface of quiet wedge 3 is low early and high after inclined-plane, the front surface of quiet wedge 3 there is one regulate tapped blind hole, the appearance and size of dynamic wedge 4 is identical with quiet wedge 3, the lower surface of dynamic wedge 4 is inclined-plane, the upper surface of this inclined-plane and quiet wedge 3 is fitted, the upper surface of dynamic wedge 4 is parallel with the lower surface of grip shank 1a, and on the lower surface of dynamic wedge 4, there is the stopper slot of through dynamic wedge 4 left and right surfaces position of close front surface, adjustment screw 5 is with discoidal knob, the screw rod of adjustment screw 5 is screwed in the adjustment tapped blind hole of quiet wedge 3, the top circular arc of adjustment screw 5 knob inserts in the stopper slot of dynamic wedge 4, when rotating adjustment screw 5, is seesawed with dynamic wedge 4 by the knob of adjustment screw 5, the handle of a knife of lathe tool 7 is placed on above dynamic wedge 4, is compressed by lathe tool 7 by hold-down bolt 6.
Advantage of the present invention is: propose a kind of lathe tool fast-assembling knife rest, achieve the Fast Installation of lathe tool, improves dress cutter efficiency, reduces labour intensity, ensure that crudy.One embodiment of the present of invention, prove through test, time the minute surface of Vehicle Processing laser gyro negative electrode (it is 0.1 micron that surface roughness Ra value requires), the Cutting tool installation manner time shortened within ten minutes by more than 20 hours, dress cutter efficiency improves more than 120 times, processing shows that roughness Ra value brings up to 0.02 micron to 0.03 micron by 0.1 microns, tool bit life more than 3 times.
Accompanying drawing explanation
Fig. 1 is the structural representation of fast-assembling knife rest.In figure, left is front, and right is rear, and in paper, direction is left, and the outer direction of paper is right, and above-below direction is constant.
Fig. 2 is the A-A generalized section in Fig. 1.
Fig. 3 is the structural representation of body 1 in Fig. 2.
Fig. 4 is the structural representation of tool setting device.
Detailed description of the invention
Below the present invention is described in further details.See Fig. 1 to Fig. 4, a kind of lathe tool fast-assembling knife rest, is characterized in that, it is made up of body 1, sunk screw 2, quiet wedge 3, dynamic wedge 4, adjustment screw 5 and hold-down bolt 6, body 1 is a long strip article, its shape of cross section is: the figure be made up of the hollow large rectangle on the left side and the solid little rectangle on the right, the hollow large rectangle on the left side is the shape of cross section of the knife rest mount pad with cuboid profile, the solid little rectangle on the right is the shape of cross section of the grip shank 1a with cuboid profile, the left surface of grip shank 1a is connected for overall with in the middle part of the right flank of knife rest mount pad by one processing, a through knife rest mount pad front surface and rear surface is had in knife rest mount pad, cross section is the lathe tool mounting groove 1c of rectangle, the bottom surface of lathe tool mounting groove 1c is parallel with the lower surface of grip shank 1a, the width of lathe tool mounting groove 1c is greater than the width of lathe tool 7, the lathe tool loading hatch 1d of a through left cell wall 1b is had on the top of the left cell wall 1b of lathe tool mounting groove 1c, the upper-lower height of lathe tool loading hatch 1d is greater than the height of lathe tool 7, the upper surface of knife rest mount pad there are 2 to 4 distribute along body 1 length direction, the body upper screwed hole 1e of vertical through lathe tool mounting groove 1c end face, a hold-down bolt 6 is twisted in each body upper screwed hole 1e, the lower surface of knife rest mount pad there are 2 to 4 distribute along body 1 length direction, screwed hole under the countersunk head body of vertical through lathe tool mounting groove 1c bottom surface, the sphenoid of quiet wedge 3 to be cross sections be rectangle, quiet wedge 3 is positioned at lathe tool mounting groove 1c, fit in the lower surface of quiet wedge 3 and the bottom surface of lathe tool mounting groove 1c, the lower surface of quiet wedge 3 there is tapped blind hole, the quantity of tapped blind hole is identical with the quantity of screwed hole under the countersunk head body on the lower surface of knife rest mount pad and position corresponding, by sunk screw 2, quiet wedge 3 is fixed in lathe tool mounting groove 1c, the front surface of quiet wedge 3 does not exceed the front surface of knife rest mount pad left, the upper surface of quiet wedge 3 is low early and high after inclined-plane, the front surface of quiet wedge 3 there is one regulate tapped blind hole, the appearance and size of dynamic wedge 4 is identical with quiet wedge 3, the lower surface of dynamic wedge 4 is inclined-plane, the upper surface of this inclined-plane and quiet wedge 3 is fitted, the upper surface of dynamic wedge 4 is parallel with the lower surface of grip shank 1a, and on the lower surface of dynamic wedge 4, there is the stopper slot of through dynamic wedge 4 left and right surfaces position of close front surface, adjustment screw 5 is with discoidal knob, the screw rod of adjustment screw 5 is screwed in the adjustment tapped blind hole of quiet wedge 3, the top circular arc of adjustment screw 5 knob inserts in the stopper slot of dynamic wedge 4, when rotating adjustment screw 5, is seesawed with dynamic wedge 4 by the knob of adjustment screw 5, the handle of a knife of lathe tool 7 is placed on above dynamic wedge 4, is compressed by lathe tool 7 by hold-down bolt 6.
Using method of the present invention is: when installing lathe tool 7, first this device and lathe is connected as one by grip shank 1a, and lathe tool 7 is loaded in mounting groove 1c by loading hatch 1d, realizes the coarse positioning of lathe tool.The present invention needs a tool setting device in use, and it is made up of base 8 and straight pin 9.Base 8 is cuboids, keeps interference fits in the pin-and-hole of vertical inserted base 8 right flank of straight pin 9.The axis of straight pin 9 is parallel with the bottom surface of base 8.Distance h from the lower edge of straight pin 9 external cylindrical surface to base 8 bottom surface equals the distance of lathe guide rail face to main-shaft axis.The method using tool setting device to calibrate lathe tool 7 nose height is, tool setting device is put on lathe guide rail, the bottom surface of base 8 is contacted with machine tool guideway face, observe the point of a knife of lathe tool 7 and the position deviation of straight pin 9 external cylindrical surface lower edge, when the point of a knife of lathe tool 7 and the height dimension of straight pin 9 external cylindrical surface lower edge inconsistent time, rotate adjustment screw 5, seesawed with the contract face of dynamic wedge 4 along quiet wedge 3 by the knob of adjustment screw 5, the angle of quiet wedge 3 wedge is 3 ° ~ 15 °, when adjustment screw 5 rotates one week, dynamic wedge 4 drives lathe tool 7 above-below direction to move 0.026mm ~ 0.135mm.When the point of a knife of lathe tool 7 contacts with the lower edge of tool setting device straight pin 9 external cylindrical surface, ensure that the point of a knife of lathe tool 7 is positioned at the horizontal plane by machine tool chief axis axis, namely the point of a knife of lathe tool 7 and the axis of machine tool chief axis contour.Hold-down bolt 6 compresses the lathe tool 7 be arranged on dynamic wedge 4 end face by the tapped through hole 1e on body 1, thus achieves the correct installation of lathe tool 7.
Embodiment:
The upper surface of knife rest mount pad has 3 body upper screwed hole 1e that distribute along body 1 length direction, vertical through lathe tool mounting groove 1c end face, in each body upper screwed hole 1e, twist a hold-down bolt 6, the lower surface of knife rest mount pad has 3 along the distribution of body 1 length direction, screwed hole under the countersunk head bodies of vertical through lathe tool mounting groove 1c bottom surface.The angle value of the wedge structure of quiet wedge 3 is 6 °.
Use above-described embodiment processes the negative electrode endoporus in certain zeeman laser gyro product, it is 0.1 micron that surface roughness Ra value requires, in minute surface car, originally be that the operator of high professional qualification adopts manual methods to install lathe tool, trial cut is repeatedly cut, regulate edge bearing, again trial cut cut, more than 20 hours consuming time (3 days), dress cutter efficiency is low, and labour intensity is large.Under the same cutting conditions, due to the difference of lathe tool installation site, cause the workpiece quality cut different, and produce the waste product of some.After adopting device of the present invention, medium skilled workers's operation, tool setting time shorten is within 10 minutes, and the repetition installation site of cutter keeps good uniformity, processing work surface roughness is stabilized in 0.02 micron to 0.03 micron, cutter life once brought up to processing 450 reconditionings cutter by originally processing about 100 reconditionings, and cutter life improves more than 3 times.
Claims (1)
1. a lathe tool fast-assembling knife rest, it is characterized in that, it is made up of body (1), sunk screw (2), quiet wedge (3), dynamic wedge (4), adjustment screw (5) and hold-down bolt (6), body (1) is a long strip article, its shape of cross section is: the figure be made up of the hollow large rectangle on the left side and the solid little rectangle on the right, the hollow large rectangle on the left side is the shape of cross section of the knife rest mount pad with cuboid profile, the solid little rectangle on the right is the shape of cross section of the grip shank (1a) with cuboid profile, the left surface of grip shank (1a) is connected for overall with in the middle part of the right flank of knife rest mount pad by one processing, a through knife rest mount pad front surface and rear surface is had in knife rest mount pad, cross section is the lathe tool mounting groove (1c) of rectangle, the bottom surface of lathe tool mounting groove (1c) is parallel with the lower surface of grip shank (1a), the width of lathe tool mounting groove (1c) is greater than the width of lathe tool (7), the lathe tool loading hatch (1d) of a through left cell wall (1b) is had on the top of the left cell wall (1b) of lathe tool mounting groove (1c), the upper-lower height of lathe tool loading hatch (1d) is greater than the height of lathe tool (7), the upper surface of knife rest mount pad there are 2 to 4 distribute along body (1) length direction, the body upper screwed hole (1e) of vertical through lathe tool mounting groove (1c) end face, a hold-down bolt (6) is twisted in each body upper screwed hole (1e), the lower surface of knife rest mount pad there are 2 to 4 distribute along body (1) length direction, screwed hole under the countersunk head body of vertical through lathe tool mounting groove (1c) bottom surface, the sphenoid of quiet wedge (3) to be cross section be rectangle, quiet wedge (3) is positioned at lathe tool mounting groove (1c), fit in the lower surface of quiet wedge (3) and the bottom surface of lathe tool mounting groove (1c), the lower surface of quiet wedge (3) there is tapped blind hole, the quantity of tapped blind hole is identical with the quantity of screwed hole under the countersunk head body on the lower surface of knife rest mount pad and position corresponding, by sunk screw (2), quiet wedge (3) is fixed in lathe tool mounting groove (1c), the front surface of quiet wedge (3) does not exceed the front surface of knife rest mount pad left, the upper surface of quiet wedge (3) is low early and high after inclined-plane, the front surface of quiet wedge (3) there is one regulate tapped blind hole, the appearance and size of dynamic wedge (4) is identical with quiet wedge (3), the lower surface of dynamic wedge (4) is inclined-plane, the upper surface of this inclined-plane and quiet wedge (3) is fitted, the upper surface of dynamic wedge (4) is parallel with the lower surface of grip shank (1a), and on the lower surface of dynamic wedge (4), there is the stopper slot of through dynamic wedge (4) left and right surfaces position of close front surface, adjustment screw (5) is with discoidal knob, the screw rod of adjustment screw (5) is screwed in the adjustment tapped blind hole of quiet wedge (3), the top circular arc of adjustment screw (5) knob inserts in the stopper slot of dynamic wedge (4), when rotating adjustment screw (5), seesawed with dynamic wedge (4) by the knob of adjustment screw (5), the handle of a knife of lathe tool (7) is placed on above dynamic wedge (4), is compressed by lathe tool (7) by hold-down bolt (6).
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CN201510664886.4A CN105215389A (en) | 2015-10-08 | 2015-10-08 | A kind of lathe tool fast-assembling knife rest |
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CN201510664886.4A CN105215389A (en) | 2015-10-08 | 2015-10-08 | A kind of lathe tool fast-assembling knife rest |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109834307A (en) * | 2017-11-28 | 2019-06-04 | 大连船用柴油机有限公司 | Deep trouth Large Heavy-duty Turning knife handle converts handle |
CN110369741A (en) * | 2019-08-12 | 2019-10-25 | 深圳市鑫明辉钻石刀具有限公司 | Adjustable turning tool |
CN110385448A (en) * | 2019-02-28 | 2019-10-29 | 苏州工业职业技术学院 | A kind of tool setting device |
CN111002083A (en) * | 2020-01-08 | 2020-04-14 | 台州椒江云瑞机械设备技术开发有限公司 | Turning follow tool rest capable of changing tools |
CN114227295A (en) * | 2021-12-30 | 2022-03-25 | 中国科学院光电技术研究所 | Cutter adjusting device |
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CN203843192U (en) * | 2013-12-16 | 2014-09-24 | 郑州职业技术学院 | Tool-height-adjustable tool rest for center lathe |
CN203900504U (en) * | 2014-06-26 | 2014-10-29 | 浙江陀曼精密机械有限公司 | Height-adjustable tool rest mechanism |
CN204584296U (en) * | 2015-05-18 | 2015-08-26 | 浙江机电职业技术学院 | Adjustable lathe saddle |
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SU1650380A1 (en) * | 1988-07-11 | 1991-05-23 | Предприятие П/Я А-7204 | Tool-holder |
DE4227268A1 (en) * | 1992-08-18 | 1994-02-24 | Heidelberger Druckmasch Ag | Turning tool-holder with fine adjustment of tool height - has parting faces of front and rear parts of tool-head vertically serrated to allow tool height adjustment while preserving rigid compact design. |
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CN203679296U (en) * | 2013-11-27 | 2014-07-02 | 无锡压缩机股份有限公司 | Center height-adjustable CNC (Computer Numerical Control) turning tool rest drill chuck |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109834307A (en) * | 2017-11-28 | 2019-06-04 | 大连船用柴油机有限公司 | Deep trouth Large Heavy-duty Turning knife handle converts handle |
CN110385448A (en) * | 2019-02-28 | 2019-10-29 | 苏州工业职业技术学院 | A kind of tool setting device |
CN110369741A (en) * | 2019-08-12 | 2019-10-25 | 深圳市鑫明辉钻石刀具有限公司 | Adjustable turning tool |
CN111002083A (en) * | 2020-01-08 | 2020-04-14 | 台州椒江云瑞机械设备技术开发有限公司 | Turning follow tool rest capable of changing tools |
CN114227295A (en) * | 2021-12-30 | 2022-03-25 | 中国科学院光电技术研究所 | Cutter adjusting device |
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Application publication date: 20160106 |